[Event "GER-ch Seniors 65 32nd"]
[Site "Magdeburg"]
[Date "2020.08.22"]
[Round "9"]
[White "Kuempers, Ulrich"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2011"]
[BlackElo "2148"]
[PlyCount "98"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. 0-0 Be7 6. a4 b4 7. c4 bxc3 8. bxc3 d5 9. Qb3 Ba6 10. Re1 Nbd7 11. Ba3 Rb8 12. Qc2 0-0 13. Nbd2 Bxa3 14. Rxa3 c5 15. c4 Qc7 16. cxd5 exd5 17. dxc5 Rfc8 18. Rc3 Nxc5 19. Rc1 Nfd7 20. Ng5 g6 21. Bxd5 Qe5 22. Bxf7+ Kg7 23. Ndf3 Qf6 24. Bd5 h6 25. Nh3 Nb6 26. Nf4 Nbxa4 27. Ra3 Nd3 28. Qc7+ Rxc7 29. Rxc7+ Kh8 30. exd3 Bb5 31. Rxa7 Nb6 32. Be4 Be8 33. R3a6 g5 34. Nd5 Qd8 35. Nxb6 Rxb6 36. Rh7+ Kg8 37. Raa7 Qf6 38. Rhe7 Kf8 39. Reb7 Re6 40. Kg2 h5 41. Ra8 g4 42. Nh4 Ra6 43. Ng6+ Qxg6 44. Bxg6 Rxa8 45. Bxe8 Rxe8 46. Rb5 Rd8 47. Rxh5 Rxd3 48. Rf5+ Ke7 49. Rf4 Ke8 1-0

[Event "GER-ch Seniors 65 32nd"]
[Site "Magdeburg"]
[Date "2020.08.16"]
[Round "3"]
[White "Esswein, Karlheinz"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2036"]
[BlackElo "2148"]
[PlyCount "119"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 g6 5. d4 Bg7 6. 0-0 0-0 7. Nc3 d6 8. Re1 Ne4 9. Nxe4 Bxe4 10. Bh3 Bxf3 11. exf3 e5 12. dxe5 dxe5 13. Qxd8 Rxd8 14. f4 Nc6 15. Bg2 Nd4 16. Bxa8 Rxa8 17. Rd1 c5 18. Rb1 Re8 19. fxe5 Bxe5 20. Kg2 Bf6 21. Be3 Nc2 22. Kf3 Nb4 23. a3 Nc6 24. b3 Kg7 25. Kg2 Ne5 26. Bf4 Nc6 27. Re1 Rc8 28. h4 h6 29. Rbd1 Nd4 30. Be5 Bxe5 31. Rxe5 Nxb3 32. Rd7 Nd4 33. Ree7 Rf8 34. Re1 Nc6 35. Rc7 Na5 36. Re4 a6 37. g4 g5 38. hxg5 hxg5 39. Ra7 Rb8 40. Rxa6 Rb7 41. a4 f6 42. Kf1 Kf7 43. Ke1 Nc6 44. Kd2 Ne5 45. Kc3 Rb8 46. f4 gxf4 47. Rxf4 Ng6 48. Rf2 Kg7 49. Ra7+ Kh6 50. Rxf6 Kg5 51. Rff7 Re8 52. Rg7 Re6 53. Rac7 Kxg4 54. a5 bxa5 55. Rxc5 Ra6 56. Rcc7 Kf5 57. Ra7 Rc6 58. Rxa5+ Kf6 59. Rga7 Rc8 60. R7a6+ 1-0

[Event "GER-ch Seniors 65 32nd"]
[Site "Magdeburg"]
[Date "2020.08.15"]
[Round "2"]
[White "Tchetchelnitski, Boris"]
[Black "Molzahn, Norbert"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2148"]
[BlackElo "1996"]
[PlyCount "93"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. 0-0 0-0 5. c4 c5 6. Nc3 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qh4 Qa5 11. Bd2 Rb8 12. Rfd1 a6 13. Rac1 Qh5 14. Qxh5 gxh5 15. Be3 b6 16. b3 Bb7 17. f3 Bc6 18. Bf2 Rfc8 19. e4 b5 20. Bh3 Bd7 21. Bf1 bxc4 22. Bxc4 a5 23. Ne2 a4 24. Nd4 axb3 25. Bxb3 Kf8 26. Kg2 Bh6 27. Rc2 Rxc2 28. Nxc2 Rc8 29. Ne3 Rc3 30. Nd5 Nxd5 31. Rxd5 Be6 32. Rxh5 Bxb3 33. axb3 Bg7 34. b4 Rb3 35. Rb5 Bc3 36. Rb8+ Kg7 37. b5 Rb2 38. Kf1 Rb1+ 39. Ke2 Rb2+ 40. Kd3 Rxf2 41. Kxc3 Rxf3+ 42. Kc4 Rf1 43. b6 e6 44. Rd8 Rc1+ 45. Kb5 d5 46. exd5 exd5 47. Rxd5 1-0

[Event "GER-ch Seniors 65 32nd"]
[Site "Magdeburg"]
[Date "2020.08.14"]
[Round "1"]
[White "Klein, Reinhard"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "D63"]
[WhiteElo "1849"]
[BlackElo "2148"]
[PlyCount "46"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 a6 5. Bg5 Be7 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. Rc1 Nbd7 11. 0-0 c5 12. Qe2 Rc8 13. a3 b4 14. axb4 cxb4 15. Na4 Qa5 16. b3 Bxf3 17. Qxf3 Qxg5 18. Bxa6 Rxc1 19. Rxc1 Qd5 20. Qe2 g6 21. Bc4 Qd6 22. Qd3 Rd8 23. e4 Qf4 0-1

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.29"]
[Round "9"]
[White "Tchetchelnitski, Boris"]
[Black "Lomer, Edmund"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2155"]
[BlackElo "2043"]
[PlyCount "111"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. b3 g6 4. Bb2 Bg7 5. Bg2 c6 6. 0-0 0-0 7. c4 Re8 8. d4 Bf5 9. Nc3 Ne4 10. Nh4 Nxc3 11. Bxc3 Be6 12. Qd3 Nd7 13. cxd5 cxd5 14. e4 dxe4 15. Bxe4 Rc8 16. Rac1 Qb6 17. d5 Nc5 18. Qf3 Nxe4 19. dxe6 Qxe6 20. Rfe1 f5 21. Bxg7 Kxg7 22. Qe3 Qb6 23. Qxb6 axb6 24. Rxc8 Rxc8 25. f3 Nf6 26. Rxe7+ Kf8 27. Rxb7 Rc1+ 28. Kg2 Rc2+ 29. Kh3 Rxa2 30. Rxb6 Kf7 31. g4 fxg4+ 32. fxg4 Rc2 33. Rb7+ Kf8 34. Kg3 Ne4+ 35. Kf4 Nd6 36. Rb8+ Kg7 37. Nf3 Rf2 38. h4 h6 39. g5 Nf5 40. Rb7+ Kg8 41. Rb8+ Kg7 42. Ke5 Re2+ 43. Kd5 Re3 44. Rb7+ Kg8 45. Ne5 hxg5 46. hxg5 Rg3 47. Ke6 Rxg5 48. Kf6 Rg3 49. Nxg6 Rxg6+ 50. Kxg6 Nh4+ 51. Kf6 Nf3 52. b4 Nd2 53. b5 Ne4+ 54. Kg6 Kf8 55. b6 Ke8 56. Rh7 1-0

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.28"]
[Round "8"]
[White "Petzold, Hans"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2042"]
[BlackElo "2155"]
[PlyCount "67"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. b5 a6 6. Na3 Bd7 7. c3 Nh6 8. d4 cxd4 9. Nxd4 Qc7 10. Qb3 Qxe5+ 11. Be2 Bc5 12. Be3 0-0 13. 0-0 Qd6 14. Nac2 e5 15. Nf3 axb5 16. Bxh6 gxh6 17. Rfd1 Be6 18. Bxb5 Qc7 19. Re1 Bd6 20. g3 Na6 21. Bxa6 Rxa6 22. Ne3 Qc6 23. Qd1 Ra5 24. Nh4 f5 25. Qh5 Qd7 26. Qxh6 f4 27. Neg2 Bh3 28. gxf4 e4 29. Re3 Bf5 30. Rg3+ Kh8 31. Ne3 d4 32. Nexf5 Raxf5 33. Ng6+ Kg8 34. Nxf8+ 1-0

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.27"]
[Round "7"]
[White "Tchetchelnitski, Boris"]
[Black "Wuensch, Ulrich"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2155"]
[BlackElo "2057"]
[PlyCount "42"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. d4 0-0 6. c4 a6 7. a4 Bd7 8. Nc3 Nc6 9. e4 Nb4 10. Qe2 b5 11. Ne5 c6 12. Be3 Qc7 13. f4 Rad8 14. Rad1 Bc8 15. g4 Nd7 16. Nf3 Nd3 17. Ne1 Nb4 18. f5 Nb6 19. a5 Na8 20. Rf3 Qxa5 21. Rh3 c5 1/2-1/2

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.26"]
[Round "6"]
[White "Grimm, Uwe"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2042"]
[BlackElo "2155"]
[PlyCount "52"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. e3 Bg7 4. c4 c5 5. cxd5 Qxd5 6. Nc3 Qd8 7. Bc4 Nh6 8. 0-0 0-0 9. Qc2 Nc6 10. a3 Nf5 11. Bb5 Bd7 12. Bxc6 Bxc6 13. b4 cxb4 14. axb4 a6 15. d4 Rc8 16. Ne5 Qc7 17. Bd2 e6 18. Rfc1 Qe7 19. Nxc6 Rxc6 20. Rab1 Rfc8 21. Qd3 b5 22. Ne2 Rc4 23. Rxc4 Rxc4 24. Nc1 Qb7 25. g3 Qf3 26. Qf1 Nxd4 0-1

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.25"]
[Round "5"]
[White "Tchetchelnitski, Boris"]
[Black "Andersen, Knut"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2155"]
[BlackElo "2020"]
[PlyCount "60"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. Be2 Nc6 6. 0-0 0-0 7. c4 b6 8. Nc3 Bb7 9. d4 cxd4 10. exd4 d5 11. Rc1 Rc8 12. Re1 Qd6 13. Bf1 Rfd8 14. cxd5 Nxd5 15. Nxd5 Qxd5 16. Bc4 Qh5 17. Be2 Nb4 18. a3 Nd5 19. Ne5 Qg5 20. Bf3 Rxc1 21. Bxc1 Qf5 22. Be4 Nc3 23. Bxf5 Nxd1 24. Bxh7+ Kxh7 25. Rxd1 f6 26. Nc4 e5 27. Ne3 Be4 28. Bb2 exd4 29. Bxd4 Bxa3 30. f3 Bg6 1/2-1/2

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.24"]
[Round "4"]
[White "Davydov, Mihail"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1939"]
[BlackElo "2155"]
[PlyCount "115"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 e5 4. dxe5 Qxd1+ 5. Kxd1 Nc6 6. Nf3 Bg4 7. Bf4 0-0-0+ 8. Bd3 Bc5 9. Bg3 f6 10. Kc1 Bxf3 11. gxf3 Nxe5 12. Bf5+ Kb8 13. Nd2 Ne7 14. Be4 N5c6 15. a4 a6 16. Nb3 Ba7 17. h4 f5 18. Bd3 g6 19. Kd2 Nd5 20. f4 Ncb4 21. Rad1 Nxd3 22. cxd3 Nb4 23. Kc3 Nd5+ 24. Kc2 Rhe8 25. h5 Re2+ 26. Rd2 Nb4+ 27. Kc3 Rxd2 28. Nxd2 Nxd3 29. hxg6 hxg6 30. Nf3 Nxf2 31. Bxf2 Bxf2 32. Rh6 Rd6 33. Rh8+ Ka7 34. Rg8 Be3 35. Ne5 Bxf4 36. Nxg6 Be3 37. Ne7 Kb6 38. Nc8+ Kc6 39. Nxd6 Kxd6 40. Re8 f4 41. b4 Kd5 42. Kd3 c5 43. bxc5 Kxc5 44. Kc3 b6 45. Re5+ Kd6 46. Re4 Kd5 47. Kd3 b5 48. axb5 axb5 49. Re8 Bc5 50. Rd8+ Bd6 51. Rd7 b4 52. Rb7 Bc5 53. Rd7+ Bd6 54. Rb7 Bc5 55. Rd7+ Ke5 56. Rb7 f3 57. Rxb4 Bxb4 58. Ke3 1/2-1/2

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.23"]
[Round "3"]
[White "Tchetchelnitski, Boris"]
[Black "Steingrobe, Udo"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2155"]
[BlackElo "2034"]
[PlyCount "126"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. d3 Bg7 6. Rb1 Nh6 7. h4 Be6 8. Nd5 Bxd5 9. cxd5 Ne7 10. e4 c6 11. dxc6 Nxc6 12. Ne2 Ng4 13. Nc3 h5 14. Bh3 Nf6 15. Be3 Bh6 16. Bg5 Bxg5 17. hxg5 Nh7 18. f4 Nd4 19. 0-0 0-0 20. Kg2 f6 21. gxf6 Nxf6 22. Ne2 Qb6 23. Qd2 Kg7 24. Nc3 Rad8 25. f5 Qc7 26. fxg6 d5 27. exd5 Kxg6 28. Ne4 Qc2 29. Qxc2 Nxc2 30. Rxf6+ Rxf6 31. Nxf6 Kxf6 32. Rf1+ Kg6 33. Kg1 Rxd5 34. Bf5+ Kg5 35. Be4 Ra5 36. Rf7 Rxa2 37. Rg7+ Kf6 38. Rxb7 Ne3 39. Kf2 Nc2 40. Bf3 Nd4 41. Bxh5 Ne6 42. Bf7 Nc5 43. Bxa2 Nxb7 44. Ke3 Nd6 45. g4 Kg5 46. Be6 Kf6 47. Bd7 Ke7 48. Ba4 Ke6 49. Bb3+ Kf6 50. Bd1 Ke6 51. b4 Kf6 52. Be2 Nb5 53. Bd1 Nd6 54. Bb3 Kg5 55. Be6 Kf6 56. Bd7 Ke7 57. Bc6 Ke6 58. d4 Nf7 59. d5+ Kf6 60. Bd7 Nd6 61. Ba4 Kg5 62. Bd1 Kf6 63. Bc2 Kg5 1/2-1/2

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.22"]
[Round "2"]
[White "Tuertmann, Dieter"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1967"]
[BlackElo "2155"]
[PlyCount "118"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. b3 b6 2. Bb2 Bb7 3. e3 e6 4. Nf3 Nf6 5. Be2 Be7 6. 0-0 0-0 7. d3 a5 8. a3 d6 9. Nbd2 Nbd7 10. c4 Re8 11. Qc2 Bf8 12. Rfd1 g6 13. Nf1 Bg7 14. Ng3 e5 15. Ne1 h5 16. Bf3 c6 17. Rd2 d5 18. h3 h4 19. Nf1 Nc5 20. b4 axb4 21. axb4 Rxa1 22. Bxa1 Na6 23. Qb1 Nc7 24. Nc2 Qe7 25. Rd1 Nd7 26. Bc3 e4 27. Bxg7 Kxg7 28. dxe4 dxc4 29. Nd2 b5 30. Nd4 Ra8 31. Qb2 Kg8 32. Rb1 Ne6 33. Bd1 Ndf8 34. f3 Qd6 35. Ne2 Nd7 36. Nf1 Ne5 37. Bc2 Nd3 38. Qc3 Rd8 39. Nd4 Nxd4 40. exd4 Qxd4+ 41. Qxd4 Rxd4 42. Ne3 Bc8 43. Nd1 Nf4 44. Ne3 Be6 45. Rd1 c3 46. Rxd4 Ne2+ 47. Kf2 Nxd4 48. Ke1 Kf8 49. Kd1 Ke7 50. f4 Kd6 51. Bd3 c5 52. e5+ Kc7 53. bxc5 Kc6 54. Kc1 Kxc5 55. Nd1 b4 56. Nf2 Bd5 57. Bf1 Nb3+ 58. Kc2 Nd2 59. Nd3+ Kd4 0-1

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.21"]
[Round "1"]
[White "Tchetchelnitski, Boris"]
[Black "Rehbein, Hans Juergen"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2155"]
[BlackElo "1793"]
[PlyCount "107"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. 0-0 0-0 5. d4 d5 6. c4 dxc4 7. Na3 c6 8. Nxc4 Bg4 9. h3 Be6 10. Qc2 Qc8 11. Kh2 Bf5 12. Qd1 Be4 13. Ncd2 Bd5 14. Qc2 Qf5 15. Qc3 Ne4 16. Nxe4 Qxe4 17. Be3 Nd7 18. Rg1 Nb6 19. a4 Nc4 20. Ne5 Qf5 21. Nxc4 Bxg2 22. Rxg2 c5 23. Qd3 Qxd3 24. exd3 cxd4 25. Bd2 Rfd8 26. f4 Rd5 27. Re2 e6 28. Kg2 Re8 29. Rae1 Re7 30. b4 b5 31. axb5 Rxb5 32. Ra1 Rc7 33. Ra5 Rb8 34. Be1 Bf8 35. Rea2 Bxb4 36. Bxb4 Rxb4 37. Rxa7 Rcb7 38. Rxb7 Rxb7 39. Ra8+ Kg7 40. Rd8 f6 41. Rxd4 Re7 42. Kf3 f5 43. Ne5 Kf6 44. Rd7 Rxd7 45. Nxd7+ Ke7 46. Ne5 Kd6 47. d4 Ke7 48. g4 Kf6 49. g5+ Ke7 50. h4 Kf8 51. h5 gxh5 52. Kg3 Kg7 53. Kh4 h6 54. g6 1-0

[Event "GER-chA Seniors 29th"]
[Site "Berlin"]
[Date "2017.08.16"]
[Round "9"]
[White "Eichner, Christian"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2051"]
[BlackElo "2143"]
[PlyCount "76"]
[EventDate "2017.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 a6 6. Nge2 b5 7. Bf4 Qd8 8. Bd3 Bb7 9. f3 e6 10. Ne4 Nbd7 11. 0-0 Be7 12. c3 0-0 13. Qc2 h6 14. Rad1 Nd5 15. Bc1 c5 16. dxc5 Nxc5 17. Nxc5 Bxc5+ 18. Kh1 Qc7 19. Ng3 Bd6 20. Qf2 Rad8 21. Rfe1 Nf4 22. Be4 Nd5 23. Bd3 Bf4 24. Bxf4 Nxf4 25. Bb1 Rxd1 26. Rxd1 Rd8 27. Qc2 f5 28. Ne2 Nd5 29. Qd2 Rd7 30. Nd4 Nf4 31. Qe1 g6 32. Bc2 Bd5 33. Bb3 Bxb3 34. Nxb3 Qe5 35. Kg1 Qe2 36. Qxe2 Nxe2+ 37. Kf2 Rxd1 38. Kxe2 Rb1 0-1

[Event "GER-chA Seniors 29th"]
[Site "Berlin"]
[Date "2017.08.15"]
[Round "8"]
[White "Tchetchelnitski, Boris"]
[Black "Haubt, Georg"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2143"]
[BlackElo "2183"]
[PlyCount "56"]
[EventDate "2017.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. c4 e6 5. Bg2 Nb4 6. Na3 c6 7. 0-0 Nf6 8. Qb3 a5 9. Bd2 Ne4 10. Bc3 dxc4 11. Qd1 Nd5 12. Nxc4 Ndxc3 13. bxc3 Nxc3 14. Qb3 Nxe2+ 15. Kh1 Be4 16. Rad1 Bb4 17. Qe3 Nc3 18. a3 Bxf3 19. Qxf3 Nxd1 20. axb4 Qxd4 21. Nxa5 Nc3 22. Nxc6 bxc6 23. Qxc6+ Ke7 24. Qc7+ Kf6 25. Bxa8 Rxa8 26. Re1 Ra7 27. Qb8 Ra2 28. Re3 Qd5+ 0-1

[Event "GER-chA Seniors 29th"]
[Site "Berlin"]
[Date "2017.08.14"]
[Round "7"]
[White "Hottes, Dieter"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2107"]
[BlackElo "2143"]
[PlyCount "84"]
[EventDate "2017.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. d4 e6 4. e3 Be7 5. Bd3 d6 6. Qc2 0-0 7. Nge2 Nc6 8. a3 g6 9. f3 e5 10. d5 Nb8 11. h3 Nbd7 12. b4 c6 13. g4 e4 14. fxe4 fxg4 15. Bb2 a5 16. Qb3 axb4 17. axb4 Rxa1+ 18. Bxa1 Ne5 19. Kd2 gxh3 20. Nf4 h2 21. c5 Kg7 22. Nce2 Nf3+ 23. Kc2 dxc5 24. dxc6 bxc6 25. bxc5 Bxc5 26. Qc4 Bd6 27. Nd4 Nxd4+ 28. Bxd4 Qe7 29. Rxh2 Be5 30. Bc5 Bd6 31. Bd4 Re8 32. Qxc6 Be5 33. Bc5 Qc7 34. Qxc7+ Bxc7 35. Rf2 Be5 36. Nd5 Be6 37. Bd4 Bxd4 38. exd4 Nxd5 39. exd5 Bxd5 40. Kc3 Rc8+ 41. Kb4 Bf7 42. Be4 Rc4+ 0-1

[Event "GER-chA Seniors 29th"]
[Site "Berlin"]
[Date "2017.08.13"]
[Round "6"]
[White "Tchetchelnitski, Boris"]
[Black "Partenheimer, Axel"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2143"]
[BlackElo "2193"]
[PlyCount "98"]
[EventDate "2017.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. b3 Be7 7. Bb2 0-0 8. Nc3 a6 9. d4 cxd4 10. Nxd4 Bxg2 11. Kxg2 Qc7 12. Nf3 d6 13. e4 Nbd7 14. Qe2 Qb7 15. Kg1 Rfe8 16. Rad1 Bf8 17. Rfe1 Rab8 18. a4 Qc7 19. Rc1 Rbc8 20. Nb1 Qb7 21. Nbd2 Rcd8 22. b4 d5 23. Bc3 Nxe4 24. Nxe4 dxe4 25. Ng5 f5 26. Red1 h6 27. Nh3 e5 28. Qh5 e3 29. Qxf5 exf2+ 30. Nxf2 a5 31. bxa5 Bc5 32. Rd5 Rf8 33. Qe6+ Kh7 34. Rf1 Rf6 35. Qg4 bxa5 36. Qe4+ Kh8 37. Bxe5 Rxf2 38. Rxf2 Bxf2+ 39. Kxf2 Rf8+ 40. Kg2 Nxe5 41. Rxe5 Qf7 42. Qe2 Qb7+ 43. Rd5 Qb4 44. Kh3 Qxa4 45. Qe7 Rg8 46. Rd6 Qxc4 47. Qe5 Qf7 48. Kg4 Qc4+ 49. Kh3 Qf1+ 1/2-1/2

[Event "GER-chA Seniors 29th"]
[Site "Berlin"]
[Date "2017.08.12"]
[Round "5"]
[White "Huelsmann, Josef"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2218"]
[BlackElo "2143"]
[PlyCount "94"]
[EventDate "2017.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c5 5. 0-0 Nc6 6. c4 dxc4 7. Ne5 Nxe5 8. dxe5 Qxd1 9. Rxd1 Nd7 10. f4 Be7 11. Na3 Nb6 12. Bd2 0-0 13. Ba5 c3 14. Bxc3 Nd5 15. Bxd5 exd5 16. Rxd5 a6 17. Ba5 b5 18. Bc7 Be6 19. Rd2 Rfc8 20. Bd6 Bd8 21. e4 g6 22. b3 c4 23. bxc4 Bb6+ 24. Kg2 bxc4 25. Rc2 Rc6 26. h3 h5 27. g4 hxg4 28. hxg4 Bxg4 29. Rxc4 Rac8 30. Rxc6 Rxc6 31. Rb1 Be6 32. Rb2 f6 33. Nc2 a5 34. Ne1 f5 35. exf5 Bxf5 36. Nf3 Kf7 37. Kg3 Ke6 38. Rd2 Kf7 39. Ng5+ Ke8 40. e6 Be3 41. Rd5 Rc3 42. Kg2 Rc2+ 43. Kg3 Rc3 44. Be5 Bd4+ 45. Nf3 Bxe5 46. Rxe5 Ke7 47. Re2 Bxe6 1/2-1/2

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.30"]
[Round "11"]
[White "Tchetchelnitski, Boris"]
[Black "Stebbings, Anthony"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2144"]
[BlackElo "2293"]
[PlyCount "54"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 d5 5. 0-0 Nbd7 6. b3 Bb7 7. Ne5 c5 8. c4 bxc4 9. bxc4 cxd4 10. Nxd7 Qxd7 11. Qxd4 Rc8 12. cxd5 Bc5 13. Qh4 Bxd5 14. Bxd5 Nxd5 15. Nd2 Be7 16. Qg4 Bf6 17. Rb1 Nc3 18. Rb3 h5 19. Qf3 Nxa2 20. Rd3 Qc6 21. Ba3 Qxf3 22. Nxf3 Nc3 23. e3 Nd5 24. Nd4 Be7 25. Ra1 Bxa3 26. Rdxa3 0-0 27. Rxa7 Rfd8 1/2-1/2

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.29"]
[Round "10"]
[White "Tchetchelnitski, Boris"]
[Black "Gerhard, Walter"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2144"]
[BlackElo "2014"]
[PlyCount "46"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 e5 5. e3 Ne7 6. c4 c6 7. d3 0-0 8. Nc3 dxc4 9. dxc4 Be6 10. Qe2 Qb6 11. Ng5 Bf5 12. e4 Bc8 13. Be3 Qa6 14. b3 h6 15. Nf3 Be6 16. Bc5 Re8 17. Rfd1 Nd7 18. Bd6 f6 19. Qe3 Nc8 20. c5 Nxd6 21. cxd6 Qb6 22. Qc1 Kh7 23. Na4 Bf8 1-0

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.28"]
[Round "9"]
[White "Doubleday, William G"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2013"]
[BlackElo "2144"]
[PlyCount "71"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 e6 3. e4 fxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nf3 d5 8. Nc5 b6 9. Nd3 Qd6 10. Qd2 0-0 11. Nde5 c5 12. c3 Nd7 13. Nxd7 Bxd7 14. Be2 Be8 15. 0-0 Bg6 16. Rfe1 Rad8 17. Bd3 Bxd3 18. Qxd3 cxd4 19. cxd4 Rc8 20. Ne5 Qc7 21. g3 Qc2 22. Qe2 Bxe5 23. dxe5 Qxe2 24. Rxe2 Rc4 25. f4 Rfc8 26. Kf2 Kf7 27. Rae1 Kg6 28. Kf3 h5 29. Rf1 Rc2 30. Rxc2 Rxc2 31. Rf2 Rc1 32. h3 Kf7 33. g4 hxg4+ 34. hxg4 g6 35. Rh2 Kg7 36. Rg2 1/2-1/2

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.27"]
[Round "8"]
[White "Tchetchelnitski, Boris"]
[Black "Sorensen, Bent"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2144"]
[BlackElo "2263"]
[PlyCount "78"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 d5 3. e3 Nf6 4. Nc3 c6 5. b3 Nbd7 6. cxd5 exd5 7. Be2 Bd6 8. Bb2 0-0 9. 0-0 Re8 10. Qc2 Nf8 11. h3 Bd7 12. Na4 Qe7 13. Rfe1 Rac8 14. Bf1 c5 15. Nc3 Ne6 16. Nb5 Bb8 17. Ne5 d4 18. Nxd7 Qxd7 19. exd4 cxd4 20. Qf5 Rc5 21. Qd3 Rd8 22. g3 a6 23. Na3 Ng5 24. h4 Nh3+ 25. Bxh3 Qxh3 26. Qf3 Rf5 27. Qg2 Qg4 28. f4 Nh5 29. Nc4 Qxg3 30. Qxg3 Nxg3 31. Bxd4 Rxf4 32. Bb6 Rc8 33. Re7 h6 34. Rae1 Rc6 35. Rxb7 Rg6 36. Rxb8+ Kh7 37. Bf2 Ne4+ 38. Kh1 Nxf2+ 39. Kh2 Rxh4# 0-1

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.26"]
[Round "7"]
[White "Gromark, Per Olof"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "A99"]
[WhiteElo "2015"]
[BlackElo "2144"]
[PlyCount "66"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. d4 0-0 6. 0-0 d6 7. Nc3 Qe8 8. b3 a5 9. Qc2 Nc6 10. Bg5 h6 11. Bxf6 Bxf6 12. Rad1 Bd8 13. e4 e5 14. dxe5 dxe5 15. exf5 Bxf5 16. Qd2 Bg4 17. Qd5+ Kh8 18. h3 Bh5 19. g4 Bg6 20. Rfe1 Bf6 21. Nb5 Rd8 22. Qc5 Rxd1 23. Rxd1 Rf7 24. Re1 Re7 25. Nd2 Nb4 26. Be4 Bxe4 27. Rxe4 Qd8 28. Nf1 Nd3 29. Qe3 Bh4 30. Ng3 Rf7 31. f4 Rxf4 32. Rxe5 Nxe5 33. Qxe5 Bxg3 0-1

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.24"]
[Round "6"]
[White "Tchetchelnitski, Boris"]
[Black "Trojan, Lubos"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2144"]
[BlackElo "1987"]
[PlyCount "215"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. Nc3 c5 7. d4 Nbd7 8. Qc2 a6 9. Rd1 Qc7 10. b3 Rb8 11. a4 b6 12. e4 Bb7 13. Bb2 e6 14. Qe2 Nh5 15. Qd2 Rbd8 16. Rab1 Ndf6 17. Qe1 Rfe8 18. Bc1 h6 19. h3 Nd7 20. g4 Nhf6 21. g5 hxg5 22. Bxg5 Rc8 23. Qe3 Nh7 24. Bh4 cxd4 25. Nxd4 Qc5 26. Nce2 Qh5 27. Bg3 e5 28. Nc2 Bh6 29. Qf3 Qxf3 30. Bxf3 Rc6 31. Bg2 a5 32. Nc3 Bf8 33. Ne3 Nhf6 34. Ned5 Kg7 35. Bf3 Nc5 36. Bh4 Ng8 37. Bg4 Bc8 38. Bxc8 Rexc8 39. f3 Ne6 40. Bf2 Nc5 41. b4 axb4 42. Rxb4 Nd7 43. Ne3 Ngf6 44. Ncd5 Nxd5 45. Rxd5 Nc5 46. Rd1 Ra8 47. Ra1 Nd3 48. Rb5 Nxf2 49. Kxf2 Be7 50. Nd5 Bd8 51. Rb4 Ra5 52. Ke2 Kh6 53. Kd3 Ra6 54. Rbb1 Rc8 55. Kc3 Rca8 56. Kb3 Rc8 57. Rd1 Ra7 58. Rd3 Kg7 59. Nc3 Be7 60. Nb5 Rd7 61. Rad1 Rc6 62. Rd5 f6 63. h4 Kf7 64. R5d3 Ke6 65. Rg1 Kf7 66. Rd2 Rc8 67. Rdg2 Rg8 68. Nc3 Ra7 69. Nd5 Bd8 70. f4 exf4 71. Nxf4 g5 72. Nd5 Re8 73. Rg4 Rh8 74. Rh1 Rxh4 75. Rgxh4 gxh4 76. Rxh4 Ke6 77. Rh8 Rd7 78. Kc3 f5 79. Kd3 fxe4+ 80. Kxe4 Bg5 81. Re8+ Kf7 82. Rb8 Bd8 83. Kf5 Bh4 84. Nxb6 Ra7 85. Ra8 Rc7 86. Rc8 Ra7 87. Rh8 Ra5+ 88. Nd5 Bf6 89. Rb8 Be5 90. Rb7+ Kf8 91. Nb6 Bd4+ 92. Ke6 Ra6 93. Rb8+ Kg7 94. Nc8 Rxa4 95. Nxd6 Ra6 96. Kd5 Bf2 97. Rb7+ Kg6 98. Rb2 Ra5+ 99. Ke6 Bd4 100. Rg2+ Kh5 101. Nb5 Ra6+ 102. Kd5 Be3 103. Nd4 Bf4 104. c5 Ra3 105. Ne6 Bg3 106. c6 Kh4 107. Nd4 Rc3 108. Nf5+ 1-0

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.23"]
[Round "5"]
[White "De Haro, Martim Alfonso"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1990"]
[BlackElo "2144"]
[PlyCount "95"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. e4 Bb4 4. Bd3 c5 5. a3 cxd4 6. axb4 dxc3 7. e5 Nd5 8. Qg4 Kf8 9. b5 Qc7 10. Nf3 d6 11. exd6 Qxd6 12. bxc3 Qc7 13. 0-0 Nd7 14. c4 N5f6 15. Qh4 b6 16. Bb2 Bb7 17. Ng5 Nc5 18. Ra3 a5 19. Bxf6 gxf6 20. Nxh7+ Rxh7 21. Bxh7 Ke7 22. Rg3 Rh8 23. Re1 Nd7 24. Rg7 Rf8 25. Bd3 Qd6 26. Qg3 Ne5 27. Qe3 Rc8 28. Qh6 a4 29. Qh7 Rf8 30. Be4 Bc8 31. Qh6 a3 32. Qc1 Bd7 33. Rg3 Nxc4 34. Rc3 Rc8 35. Bc6 Qb4 36. Rxc4 Qxc4 37. Qxa3+ Qc5 38. Qxc5+ bxc5 39. Bxd7 Kxd7 40. c4 Ra8 41. h4 f5 42. Kh1 Ra4 43. Rc1 Ra2 44. Kh2 Rxf2 45. Kg3 Ra2 46. h5 Ke7 47. Rb1 Kd8 48. b6 1/2-1/2

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.22"]
[Round "4"]
[White "Tchetchelnitski, Boris"]
[Black "Just, Pavel"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2144"]
[BlackElo "1996"]
[PlyCount "112"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Bb2 e5 7. c4 Nc6 8. Nc3 Bg4 9. h3 Bxf3 10. Bxf3 Rb8 11. Bg2 Qd7 12. e3 Rfe8 13. d3 Ne7 14. Rc1 c6 15. d4 exd4 16. exd4 d5 17. Re1 Nf5 18. cxd5 Rxe1+ 19. Qxe1 cxd5 20. Rd1 Re8 21. Qd2 Ne4 22. Qd3 Nxc3 23. Bxc3 b6 24. h4 Qc6 25. Bb2 b5 26. Rc1 Qe6 27. Bc3 Qb6 28. Rd1 b4 29. Bb2 Rd8 30. h5 a5 31. Bf3 Qa7 32. Kg2 Qb6 33. Bg4 Nd6 34. Bf3 Nf5 35. Rd2 Qa7 36. Qb5 Nxd4 37. Bxd4 Bxd4 38. Bxd5 Bf6 39. h6 Qc7 40. Re2 Be7 41. Bc4 Bf8 42. Qg5 Qc6+ 43. f3 Re8 44. Rd2 Qc7 45. Rd5 a4 46. Qd2 axb3 47. axb3 Re7 48. Rd8 Qe5 49. Qxb4 Re8 50. Qd2 Rxd8 51. Qxd8 Qb2+ 52. Kh3 Qc1 53. Qd5 Qxh6+ 54. Kg2 Qg7 55. Qd2 Qe5 56. b4 Bd6 1/2-1/2

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.21"]
[Round "3"]
[White "Cao, Jorge"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "E54"]
[WhiteElo "1962"]
[BlackElo "2144"]
[PlyCount "36"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Nf3 0-0 6. Bd3 d5 7. 0-0 dxc4 8. Bxc4 Qc7 9. Qe2 Bxc3 10. bxc3 Nbd7 11. Bb2 Re8 12. e4 e5 13. d5 Nb6 14. Bb3 Bg4 15. c4 Nc8 16. h3 Bh5 17. g4 Bg6 18. Nd2 Nd6 1/2-1/2

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.20"]
[Round "2"]
[White "Tchetchelnitski, Boris"]
[Black "Zhelnin, Vladimir V"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2144"]
[BlackElo "2453"]
[PlyCount "76"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Nbd7 7. Nc3 e5 8. dxe5 dxe5 9. Qc2 Re8 10. Rd1 c6 11. b3 e4 12. Nd4 Qe7 13. a4 a5 14. Ba3 Qe5 15. e3 Bf8 16. Bxf8 Kxf8 17. Nce2 Nc5 18. h3 h5 19. Qc3 Kg8 20. b4 axb4 21. Qxb4 h4 22. gxh4 Nd3 23. Qc3 Qh5 24. Nf4 Nxf4 25. exf4 Rxa4 26. Re1 Rxa1 27. Rxa1 Qxh4 28. Ne2 e3 29. fxe3 Bxh3 30. Bxh3 Qxh3 31. Qxf6 Qxe3+ 32. Kh1 Qf3+ 33. Kg1 Qxe2 34. f5 Qg4+ 35. Kh1 Qxc4 36. fxg6 Qe4+ 37. Kh2 Qe5+ 38. Qxe5 Rxe5 0-1

[Event "Wch Seniors 65 26th"]
[Site "Marianske Lazne"]
[Date "2016.11.19"]
[Round "1"]
[White "Korenevski, Oleg"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1823"]
[BlackElo "2144"]
[PlyCount "78"]
[EventDate "2016.11.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. Bb5+ c6 6. Be2 g6 7. d3 Bg7 8. 0-0 0-0 9. Ne4 Nxe4 10. dxe4 Qc7 11. c3 Nd7 12. Be3 Nf6 13. Qc2 Ng4 14. Bd4 Nf6 15. Be5 Qb6 16. a4 a5 17. Bd4 c5 18. Be3 Qc7 19. h3 b6 20. b3 Bb7 21. Bd3 Rad8 22. Rad1 Nh5 23. Qc1 Rd7 24. g4 Nf6 25. Bf4 Qc8 26. Ne5 Rdd8 27. f3 Nd7 28. Nc4 Ba6 29. Bh6 Bxc4 30. Bxc4 Ne5 31. Be2 c4 32. Bxg7 Kxg7 33. Qa3 cxb3 34. Qxb3 Qc5+ 35. Kg2 e6 36. f4 Qe3 37. Qc2 Rxd1 38. Bxd1 Rd8 39. Rf2 Nd3 0-1

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.21"]
[Round "9"]
[White "Sand, Rolf"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2023"]
[BlackElo "2144"]
[PlyCount "37"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. 0-0 0-0 6. Nc3 d6 7. d3 Nc6 8. e4 fxe4 9. dxe4 e5 10. h3 Qe8 11. Nd5 Bd8 12. Nxf6+ Bxf6 13. Be3 Be6 14. Rc1 Rd8 15. Kh2 Kh8 16. a3 Qf7 17. Qd3 a5 18. Ng5 Bxg5 19. Bxg5 1/2-1/2

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.20"]
[Round "8"]
[White "Tchetchelnitski, Boris"]
[Black "Vasiljev, Jurij"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2144"]
[BlackElo "2052"]
[PlyCount "80"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. 0-0 g6 5. d4 cxd4 6. Qxd4 Nc6 7. Qh4 h5 8. c4 dxc4 9. Qxc4 Be6 10. Qa4 Bd7 11. Qb3 Qc8 12. Ng5 e6 13. Nc3 Na5 14. Qd1 Bg7 15. Nge4 Nxe4 16. Nxe4 0-0 17. Bd2 Nc6 18. Rc1 Qd8 19. Bc3 e5 20. Nc5 Bc8 21. Qxd8 Rxd8 22. e3 f5 23. Rfd1 e4 24. Bxg7 Rxd1+ 25. Rxd1 Kxg7 26. f3 b6 27. Nb3 Be6 28. fxe4 Bxb3 29. axb3 Rd8 30. Rc1 Ne5 31. exf5 gxf5 32. e4 Rd2 33. exf5 Rxb2 34. Rc3 Kf6 35. Be4 Re2 36. Bf3 Nxf3+ 37. Rxf3 Re5 38. b4 a5 39. bxa5 bxa5 40. Kg2 Rxf5 1/2-1/2

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.19"]
[Round "7"]
[White "Mertens, Klaus"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "2066"]
[BlackElo "2144"]
[PlyCount "60"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. d4 d5 5. 0-0 Bd6 6. c4 c6 7. b3 Qe7 8. Bb2 0-0 9. Qc2 b6 10. Nbd2 Bb7 11. Ne5 Na6 12. Nd3 Ne4 13. Nf3 Rac8 14. Nfe5 c5 15. f3 Nf6 16. Qd2 Rfd8 17. e3 Nb4 18. dxc5 bxc5 19. a3 Nxd3 20. Qxd3 d4 21. f4 Bxg2 22. Kxg2 Bxe5 23. fxe5 Ng4 24. exd4 cxd4 25. Bxd4 Qb7+ 26. Kh3 Nxe5 27. Qe3 Nf7 28. Bxa7 g5 29. Bc5 g4+ 30. Kh4 Qg2 0-1

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.18"]
[Round "6"]
[White "Tchetchelnitski, Boris"]
[Black "Khanukov, Boris"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2144"]
[BlackElo "2302"]
[PlyCount "106"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. Be2 Nc6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 d5 9. c4 Bd7 10. Nc3 dxc4 11. Bxc4 Qa5 12. a3 Rfd8 13. b4 Qg5 14. Nf3 Qh5 15. Be2 Rac8 16. Qb3 Qh6 17. Rfd1 Be8 18. Rxd8 Bxd8 19. Rd1 g5 20. h3 Be7 21. b5 Na5 22. Qa4 b6 23. Ne4 Nxe4 24. Qxe4 Bf6 25. Bxf6 Qxf6 26. Ne5 Qf5 27. Qd4 Nb3 28. Qd6 Nc5 29. Ng4 Kg7 30. Qd4+ f6 31. e4 Qg6 32. e5 f5 33. Nf6 Qh6 34. Qd6 Kh8 35. Bc4 Bf7 36. Qe7 Qf8 37. Qxa7 Bg8 38. Rd6 Ne4 39. Nxe4 fxe4 40. Rc6 e3 41. Qxb6 Qxf2+ 42. Kh1 Rf8 43. Qd4 Qe1+ 44. Kh2 e2 45. Bxe2 Qxe2 46. b6 Rf1 47. Qc3 Rb1 48. a4 Qf2 49. Qf3 Qg1+ 50. Kg3 Qe1+ 51. Kh2 Qxe5+ 52. g3 Rb2+ 53. Kg1 Qe1+ 0-1

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.17"]
[Round "5"]
[White "Tchetchelnitski, Boris"]
[Black "Goldinger, Peter"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2144"]
[BlackElo "2071"]
[PlyCount "80"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. 0-0 Bf5 6. c4 e6 7. Nc3 Be7 8. Bf4 0-0 9. dxc5 d4 10. Nb5 Bxc5 11. b4 Bxb4 12. Qb3 Ne4 13. Ne5 g5 14. Nxc6 bxc6 15. Qxb4 cxb5 16. Bxe4 Bxe4 17. Bd6 Re8 18. cxb5 e5 19. f3 Bb7 20. Rac1 Re6 21. Bc5 g4 22. Qd2 Qd5 23. Qg5+ Rg6 24. Qf5 gxf3 25. exf3 Rc8 26. Bxa7 Rxc1 27. Rxc1 Qxa2 28. Bb8 Qe2 29. Qxe5 Qxe5 30. Bxe5 d3 31. Rd1 Re6 32. Bd4 Bxf3 33. Rxd3 Be2 34. Rb3 Rd6 35. b6 Ba6 36. Rb4 Bb7 37. Kf2 Re6 38. h4 Kf8 39. Rc4 Rc6 40. Ra4 f5 1-0

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.16"]
[Round "4"]
[White "Jacob, Helmut"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2030"]
[BlackElo "2144"]
[PlyCount "78"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. h3 a6 6. Be2 g6 7. d3 Bg7 8. Be3 0-0 9. Qd2 Nc6 10. Bh6 b5 11. Bxg7 Kxg7 12. 0-0-0 Bb7 13. Qe3 Nb4 14. Rhg1 Rfd8 15. Qe5 Qb6 16. Qe3 c5 17. Kb1 Nc6 18. Ne4 Nd4 19. Nxf6 Qxf6 20. Nd2 Rac8 21. g4 Ne6 22. g5 Qd4 23. Bg4 Rc6 24. Bf3 Rc7 25. Bxb7 Rxb7 26. Rg4 Qd5 27. Ne4 Rbd7 28. Nc3 Qc6 29. Rc1 Nd4 30. Re4 Nf5 31. Qf4 Rd4 32. Ne2 Rxe4 33. dxe4 Nd6 34. f3 Nc4 35. Nc3 Qd6 36. Qh4 Nd2+ 37. Ka1 Nxf3 38. Qh6+ Kg8 39. h4 Ne5 0-1

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.15"]
[Round "3"]
[White "Tchetchelnitski, Boris"]
[Black "Esterluss, Johannes"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2144"]
[BlackElo "2006"]
[PlyCount "115"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. c4 e5 4. Nc3 c6 5. Bg2 Be7 6. 0-0 0-0 7. d3 Nbd7 8. b3 Re8 9. Bb2 Qc7 10. Rc1 Bf8 11. b4 a6 12. a3 g6 13. Qd2 Bg7 14. e3 Nf8 15. d4 Bg4 16. h3 Bxf3 17. Bxf3 Rad8 18. Bg2 N6d7 19. Rfd1 exd4 20. exd4 Nf6 21. Kh2 h5 22. d5 c5 23. bxc5 Qxc5 24. Qf4 N8d7 25. Re1 Ne5 26. Bf1 g5 27. Qf5 Qc8 28. Qxc8 Rxc8 29. Kg2 Nxc4 30. Rxe8+ Nxe8 31. Nb1 Bxb2 32. Rxc4 Rxc4 33. Bxc4 Kg7 34. a4 Nc7 35. Nd2 b5 36. axb5 axb5 37. Bb3 f5 38. Nf1 Bc1 39. Nh2 g4 40. hxg4 hxg4 41. f3 gxf3+ 42. Nxf3 Kf6 43. Kf2 Bb2 44. Ne1 Bc3 45. Nd3 Na6 46. Kf3 Be5 47. g4 fxg4+ 48. Kxg4 Nc5 49. Bc2 Bc3 50. Kf3 Na6 51. Bb3 Bd2 52. Ke2 Bg5 53. Bc2 Nc7 54. Bb3 Kf5 55. Kf3 Bh6 56. Nf2 Kf6 57. Ng4+ Kg7 58. Kf2 1/2-1/2

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.14"]
[Round "2"]
[White "Schneider, Alexander"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2064"]
[BlackElo "2144"]
[PlyCount "141"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. Nc3 0-0 6. e3 d6 7. Be2 e5 8. 0-0 Bxc3 9. Bxc3 Ne4 10. Bb4 Nc6 11. Ba3 a5 12. Qc2 Nf6 13. dxe5 Nxe5 14. c5 Nc6 15. cxd6 cxd6 16. Rfd1 Rd8 17. Nd4 Nb4 18. Qb3 Be6 19. Nxe6 Qxe6 20. Bxb4 Qxb3 21. axb3 axb4 22. Rxa8 Rxa8 23. Rxd6 Ra1+ 24. Bf1 Kf8 25. Rd4 Rb1 26. Rxb4 Rxb2 27. e4 Ng4 28. Rxb7 Nxf2 29. Bc4 Nxe4 30. Rxf7+ Ke8 31. h3 h5 32. Rxg7 Nf6 33. Rf7 Ne4 34. Kh2 Nd2 35. Rf5 h4 36. Rf4 Ke7 37. Kg1 Rb1+ 38. Kf2 Rb2 39. Ke3 Nxc4+ 40. bxc4 Rxg2 41. Rxh4 Kd6 42. Kd4 Rd2+ 43. Ke3 Rg2 44. Rg4 Rh2 45. Rh4 Rg2 46. Rh6+ Kc5 47. Rh5+ Kc6 48. Kd4 Rd2+ 49. Ke4 Rf2 50. h4 Rc2 51. c5 Rc4+ 52. Kd3 Rg4 53. Ke3 Rc4 54. Rh8 Kd7 55. Rh5 Kc6 56. Kf3 Rc3+ 57. Kf4 Rc4+ 58. Kf5 Rxc5+ 59. Kg6 Rc1 60. Re5 Kd6 61. Re2 Rg1+ 62. Kh6 Rg3 63. h5 Rg1 64. Kh7 Rg5 65. h6 Rg1 66. Kh8 Rg6 67. h7 Rg1 68. Re8 Kd7 69. Rg8 Rh1 70. Kg7 Rg1+ 71. Kf6 1-0

[Event "GER-chA Seniors 28th"]
[Site "Niederhausen"]
[Date "2016.08.13"]
[Round "1"]
[White "Tchetchelnitski, Boris"]
[Black "Ophoff, Rigobert"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2144"]
[BlackElo "1969"]
[PlyCount "79"]
[EventDate "2016.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. d4 d5 7. b3 Nbd7 8. Nbd2 Re8 9. Bb2 h6 10. Qc2 e6 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qf4 Qe7 15. Rfe1 Bd7 16. Rad1 Rad8 17. Qc1 Bc8 18. Ne5 Nd7 19. Nd3 Nf6 20. Bc3 Qc7 21. Qb2 Nh7 22. h4 b6 23. b4 Bb7 24. a4 Rd7 25. Ne5 Bxe5 26. dxe5 Red8 27. Rd6 Rxd6 28. exd6 Qxd6 29. a5 Qe7 30. Qc1 bxa5 31. Qxh6 Qf8 32. Qf4 axb4 33. Bxb4 c5 34. Bc3 Bxg2 35. Qe5 f6 36. Qxe6+ Kg7 37. Kxg2 Qd6 38. Qxd6 Rxd6 39. Re7+ Kg8 40. Rxa7 1-0

[Event "GER-chT Seniors 23rd"]
[Site "Bergen"]
[Date "2014.09.07"]
[Round "7.2"]
[White "Tchetchelnitski, Boris"]
[Black "Villing, Dieter"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2143"]
[BlackElo "2097"]
[PlyCount "81"]
[EventDate "2014.09.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Bg4 3. Nbd2 Nd7 4. h3 Bh5 5. g3 Ngf6 6. Bg2 e5 7. dxe5 dxe5 8. Nc4 Qe7 9. b3 0-0-0 10. 0-0 Nb6 11. Qe1 Nxc4 12. bxc4 e4 13. Nh4 Qb4 14. Qxb4 Bxb4 15. g4 Bg6 16. g5 Nh5 17. Nxg6 hxg6 18. Rb1 Bd2 19. Bxe4 c6 20. e3 f5 21. Bf3 Bxc1 22. Rbxc1 Rd2 23. Rfd1 Rhd8 24. Kf1 Kc7 25. c5 Rxd1+ 26. Rxd1 Rxd1+ 27. Bxd1 Kd7 28. c3 Ke6 29. Bb3+ Ke7 30. Ke2 b6 31. cxb6 axb6 32. a4 c5 33. h4 Ke8 34. Kd3 Ke7 35. Bd5 f4 36. e4 f3 37. Ke3 Kd6 38. Bf7 Ke5 39. Bxg6 Nf4 40. h5 Ne6 41. Kxf3 1-0

[Event "GER-chT Seniors 23rd"]
[Site "Bergen"]
[Date "2014.09.05"]
[Round "6.2"]
[White "Thormann, Wolfgang"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2258"]
[BlackElo "2143"]
[PlyCount "79"]
[EventDate "2014.09.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. Bg5 e6 4. e3 Be7 5. c4 d6 6. Nc3 0-0 7. Qb3 c6 8. Be2 Kh8 9. h3 Nbd7 10. Nd2 e5 11. Qc2 h6 12. Bh4 Ne8 13. Bxe7 Qxe7 14. 0-0-0 exd4 15. exd4 Ndf6 16. Bd3 d5 17. Nf3 dxc4 18. Bxc4 Qd6 19. Ne5 Nd5 20. g4 Rf6 21. Bxd5 cxd5 22. f4 Nc7 23. g5 Rf8 24. Qf2 Bd7 25. gxh6 gxh6 26. Rhg1 Be8 27. Qh4 Qf6 28. Rg5 Rd8 29. Rdg1 Rd6 30. Nf3 a6 31. R5g2 Qxh4 32. Nxh4 Rdf6 33. Re1 Re6 34. Re5 Rxe5 35. dxe5 d4 36. Ne2 Ne6 37. Ng6+ Bxg6 38. Rxg6 Re8 39. Kd2 Kh7 40. Rf6 1-0

[Event "GER-chT Seniors 23rd"]
[Site "Bergen"]
[Date "2014.09.04"]
[Round "5.2"]
[White "Salov, Sergej"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2255"]
[BlackElo "2143"]
[PlyCount "102"]
[EventDate "2014.09.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be3 e6 9. 0-0-0 Nbd7 10. Kb1 Qa5 11. Bc4 Nb6 12. Bb3 0-0-0 13. g4 Rd7 14. Ne4 Nxe4 15. Qxe4 Nd5 16. Bc1 Be7 17. c4 Nf6 18. Qf3 h6 19. h4 Rf8 20. g5 hxg5 21. hxg5 Ne8 22. d5 exd5 23. cxd5 c5 24. Rh7 Bd6 25. Qh3 Kc7 26. Bd2 Qa6 27. Bc3 b5 28. a3 Re7 29. Re1 Rxe1+ 30. Bxe1 Qb6 31. Rh8 Rxh8 32. Qxh8 Kd8 33. Bc2 Be5 34. Qf8 Qc7 35. g6 f6 36. Qf7 Qe7 37. Bf5 Bc7 38. Be6 a5 39. f4 b4 40. axb4 axb4 41. Bf2 Bd6 42. Qg8 Qf8 43. Qh7 Qe7 44. f5 Qb7 45. Qh8 Qb5 46. Bf7 Qf1+ 47. Ka2 Qa6+ 48. Kb1 Qd3+ 49. Ka1 Qd1+ 50. Ka2 Qa4+ 51. Kb1 Qd1+ 1/2-1/2

[Event "GER-chT Seniors 23rd"]
[Site "Bergen"]
[Date "2014.09.04"]
[Round "4.2"]
[White "Tchetchelnitski, Boris"]
[Black "Boehm, Martin"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2143"]
[BlackElo "2250"]
[PlyCount "150"]
[EventDate "2014.09.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Nf6 5. d5 Qb6 6. Bc1 g6 7. e4 d6 8. Nc3 Bg7 9. Bb5+ Nbd7 10. a4 0-0 11. a5 Qc7 12. Be2 a6 13. f4 Rb8 14. Nf3 b5 15. axb6 Rxb6 16. 0-0 Rb4 17. Nd2 Nb6 18. Kh1 c4 19. Bf3 e6 20. dxe6 fxe6 21. Ne2 e5 22. Nb1 d5 23. fxe5 Nxe4 24. c3 Rb5 25. Nd4 Rc5 26. e6 Qe5 27. Qe1 Rc7 28. Be3 Nc5 29. Bf2 Nd3 30. Qxe5 Nxf2+ 31. Rxf2 Bxe5 32. Re2 Bf6 33. Nd2 Rd8 34. Nf1 Rd6 35. Rae1 Re7 36. Bg4 Na4 37. Ne3 Nc5 38. Bf3 Bb7 39. g3 Kf8 40. Ng4 Bxd4 41. cxd4 Nd3 42. Rf1 Kg7 43. Nf2 Nxf2+ 44. Rexf2 Rdxe6 45. Kg2 Re3 46. Rd2 Bc6 47. Ra1 Rf7 48. Bg4 Bb7 49. Rf1 Rxf1 50. Kxf1 Kf6 51. Kf2 Rb3 52. Bd1 Rb6 53. Bg4 h5 54. Bf3 a5 55. h4 a4 56. Ke3 Kf5 57. Bd1 Re6+ 58. Kf3 Bc6 59. Bc2+ Kf6 60. Rd1 Re8 61. Ra1 g5 62. hxg5+ Kxg5 63. Ra3 Rb8 64. Bxa4 Bxa4 65. Rxa4 Rb3+ 66. Kf2 Rxb2+ 67. Ke3 Rb3+ 68. Kf2 Rd3 69. Ra8 Rxd4 70. Rg8+ Kf5 71. Rh8 c3 72. Rxh5+ Ke4 73. Ke2 Rd2+ 74. Ke1 Rg2 75. Kd1 d4 0-1

[Event "GER-chT Seniors 23rd"]
[Site "Bergen"]
[Date "2014.09.03"]
[Round "3.2"]
[White "Tchetchelnitski, Boris"]
[Black "Jung, Werner"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2143"]
[BlackElo "2094"]
[PlyCount "45"]
[EventDate "2014.09.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 Nf6 3. Bxf6 exf6 4. e3 d5 5. Bd3 Bd6 6. Nd2 Be6 7. c4 c6 8. Ne2 Qd7 9. Nc3 dxc4 10. Nxc4 Bb4 11. a3 Bxc3+ 12. bxc3 0-0 13. 0-0 Qc7 14. Qf3 g6 15. Qf4 Na6 16. Rab1 Qxf4 17. exf4 b6 18. Na5 Nb8 19. Rfe1 Re8 20. Rxe6 Rxe6 21. Bc4 bxa5 22. Bxe6+ Kh8 23. Bc8 1-0

[Event "GER-chT Seniors 23rd"]
[Site "Bergen"]
[Date "2014.09.02"]
[Round "2.2"]
[White "Falk, Thomas"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A96"]
[WhiteElo "2080"]
[BlackElo "2143"]
[PlyCount "39"]
[EventDate "2014.09.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. b3 Ne4 8. e3 Bf6 9. Bb2 Nc6 10. Nbd2 Nxd2 11. Qxd2 Qe7 12. d5 Nd8 13. dxe6 Nxe6 14. b4 a6 15. Nd4 Ng5 16. Ne2 Nf7 17. Nf4 c6 18. Rfd1 Rd8 19. Bxf6 Qxf6 20. Qd4 1/2-1/2

[Event "GER-chT Seniors 23rd"]
[Site "Bergen"]
[Date "2014.09.01"]
[Round "1.2"]
[White "Tchetchelnitski, Boris"]
[Black "Khanukov, Boris"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2143"]
[BlackElo "2329"]
[PlyCount "108"]
[EventDate "2014.09.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. b3 Bg4 4. Bg2 Nd7 5. Bb2 Ngf6 6. 0-0 e6 7. c4 Bd6 8. d3 0-0 9. Nbd2 e5 10. cxd5 cxd5 11. h3 Bxf3 12. Nxf3 Rc8 13. e3 Re8 14. h4 Qe7 15. Bh3 Rc7 16. Rc1 Nb8 17. Rxc7 Qxc7 18. Nh2 Qa5 19. Qa1 Nc6 20. a3 Qb6 21. Qd1 d4 22. e4 a5 23. Bc1 Qc7 24. Ng4 Nxg4 25. Bxg4 Qe7 26. a4 Nb4 27. Kg2 Qc7 28. Bb2 Re7 29. h5 h6 30. Qb1 Qd8 31. Rc1 Rc7 32. Rxc7 Qxc7 33. Be2 Na6 34. Qd1 Bb4 35. Bc1 Qc3 36. f4 Nc5 37. fxe5 Nxb3 38. Bf4 Nc5 39. e6 Nxe6 40. Bg4 Nc5 41. e5 Nxd3 42. e6 Qb2+ 43. Qe2 Nxf4+ 44. gxf4 Qxe2+ 45. Bxe2 fxe6 46. Bc4 Kf7 47. f5 Kf6 48. fxe6 g6 49. hxg6 Kxg6 50. Kf2 Kf5 51. Bb3 h5 52. Ke2 Ke4 53. Bc2+ Ke5 54. Kd3 h4 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.30"]
[Round "9"]
[White "Martin, Dennis"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1889"]
[BlackElo "2179"]
[PlyCount "61"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 g6 3. e3 Bg7 4. Be2 Nf6 5. Nc3 Nc6 6. b3 0-0 7. Bb2 d6 8. 0-0 a6 9. a4 e5 10. fxe5 dxe5 11. Bc4 e4 12. Ng5 Bf5 13. Nxf7 Rxf7 14. Bxf7+ Kxf7 15. g4 Ne5 16. gxf5 Nf3+ 17. Rxf3 exf3 18. Qxf3 Kg8 19. d3 gxf5 20. Qxf5 Qe7 21. e4 Rf8 22. Rf1 Kh8 23. Nd5 Qd7 24. Nxf6 Qxf5 25. Rxf5 Rd8 26. Be5 b5 27. axb5 axb5 28. Nd7 Rc8 29. Nxc5 b4 30. d4 Kg8 31. Rg5 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.29"]
[Round "7"]
[White "Rockmann, Jan Okke"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1745"]
[BlackElo "2179"]
[PlyCount "111"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Bd7 5. Nf3 a6 6. Qb3 Qc7 7. Bf4 Nc6 8. Nbd2 cxd4 9. cxd4 Nb4 10. Rb1 Nc2+ 11. Kd1 Nb4 12. a3 Nc6 13. Bd3 f6 14. Bg3 fxe5 15. dxe5 Bc5 16. Qc2 Qb6 17. Bxh7 Nge7 18. Bg6+ Kd8 19. Ng5 Nd4 20. Nf7+ Kc7 21. Qc3 Nb5 22. Qd3 Rh6 23. Nxh6 gxh6 24. Nb3 Kb8 25. Nxc5 Qxc5 26. Rc1 Qb6 27. Bh5 Nf5 28. Bg4 Nbd4 29. b3 Ka7 30. Bxf5 Nxf5 31. Kd2 Rf8 32. f4 h5 33. Ke1 Ka8 34. Bf2 d4 35. a4 Bc6 36. Rg1 Bd5 37. Ke2 Rd8 38. g3 Qb4 39. Rc7 Qa5 40. Rgc1 Bc6 41. R7xc6 bxc6 42. Rxc6 Kb7 43. Rxe6 Ne3 44. Bxe3 dxe3 45. Qxe3 Qb4 46. a5 Qb5+ 47. Kf2 Qxa5 48. Rd6 Rc8 49. e6 Rc2+ 50. Kf3 Rc3 51. Rd7+ Kc8 52. Rd3 Rxd3 53. Qxd3 Qe1 54. Qxa6+ Kc7 55. Qc4+ Kd6 56. Qd4+ 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.29"]
[Round "8"]
[White "Tchetchelnitski, Boris"]
[Black "Jung, Gerald"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "2179"]
[BlackElo "2001"]
[PlyCount "130"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 Nbd7 7. Nc3 c6 8. e4 e5 9. h3 a5 10. Be3 exd4 11. Nxd4 Nc5 12. Qc2 a4 13. Rad1 Qa5 14. Rfe1 Qb4 15. Bf4 Ne8 16. a3 Qxc4 17. Bf1 Qxd4 18. Rxd4 Bxd4 19. Rd1 Bxc3 20. bxc3 Be6 21. c4 Rd8 22. g4 f6 23. Be3 Ra8 24. f4 f5 25. gxf5 gxf5 26. e5 Ne4 27. Rb1 Rf7 28. exd6 Rg7+ 29. Kh2 N8xd6 30. Bd4 Rg3 31. c5 Bb3 32. Rxb3 axb3 33. Qb2 Nb5 34. Bc4+ Kf8 35. Bf2 Rc3 36. Bxb3 Rxa3 37. Be6 Nxf2 38. Qxf2 Re3 39. Bxf5 Nd4 40. Bg4 Rac3 41. Qh4 Rxh3+ 42. Qxh3 Rxh3+ 43. Kxh3 Nb3 44. Bc8 Nxc5 45. Kg4 b5 46. Kf3 Ke7 47. Ke3 Nd7 48. Bb7 Kd6 49. Kd4 Kc7 50. Ba6 Nb8 51. Bxb5 cxb5 52. Kc5 Nc6 53. Kxb5 Kd6 54. Kc4 Ke6 55. Kd3 Kf5 56. Ke3 Ne7 57. Kf3 Ng6 58. Kg3 h5 59. Kh3 Kxf4 60. Kg2 Kg4 61. Kh2 h4 62. Kg2 h3+ 63. Kh2 Ne5 64. Kh1 Kg3 65. Kg1 Nd3 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.27"]
[Round "6"]
[White "Tchetchelnitski, Boris"]
[Black "Jugelt, Tobias"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2179"]
[BlackElo "2409"]
[PlyCount "77"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 c6 5. Qc2 Bd6 6. Bg2 Nbd7 7. Nbd2 0-0 8. 0-0 Qe7 9. e4 Nxe4 10. Nxe4 dxe4 11. Qxe4 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Qc2 Bc5 15. Qb3 a5 16. a4 Ra6 17. Bf4 Qf6 18. Qc2 Bd4 19. Be4 h6 20. Rab1 Bh3 21. Rfe1 Raa8 22. b3 g5 23. Be3 Rad8 24. Bxd4 Rxd4 25. Rbd1 Rfd8 26. Rxd4 Rxd4 27. Qe2 Kg7 28. Bg2 Bf5 29. Rd1 Rxd1+ 30. Qxd1 Qc3 31. h4 Qd3 32. Qa1+ f6 33. Qa3 Qd1+ 34. Kh2 Qe1 35. hxg5 hxg5 36. Qc5 Kg6 37. Qf8 Qxf2 38. Qg8+ Kh6 39. Qf8+ 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.26"]
[Round "5"]
[White "Tchetchelnitski, Boris"]
[Black "Hundack, Rolf"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "2179"]
[BlackElo "2214"]
[PlyCount "88"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 c5 7. Nc3 Nc6 8. dxc5 dxc5 9. Be3 Be6 10. Bxc5 Qa5 11. Be3 Bxc4 12. Nd4 Ng4 13. Nxc6 bxc6 14. Bd2 Rad8 15. Qc2 Qh5 16. h3 Nf6 17. Be3 Be6 18. Ne4 Bxh3 19. Nxf6+ Bxf6 20. Rfd1 Bg4 21. Bxa7 Rxd1+ 22. Rxd1 Qa5 23. Bd4 Qxa2 24. Bxf6 exf6 25. Rd4 h5 26. Ra4 Qe6 27. e3 Rc8 28. Ra6 Qe5 29. Rxc6 Rd8 30. Qc3 Rd1+ 31. Kh2 Qxc3 32. bxc3 Rd2 33. Rxf6 Rc2 34. Bd5 Rxc3 35. Rxg6+ Kf8 36. Rf6 Rc7 37. e4 Kg7 38. Rf4 f6 39. f3 Rc2+ 40. Kg1 Rc1+ 41. Kf2 Rc2+ 42. Ke3 Rc3+ 43. Ke2 Bc8 44. Rh4 Kg6 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.25"]
[Round "4"]
[White "Mulde, Ralf"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2017"]
[BlackElo "2179"]
[PlyCount "78"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 0-0 7. 0-0 Re8 8. Bg5 c6 9. h3 Nbd7 10. Ng3 Nf8 11. Qf3 Be7 12. Nce2 Ne6 13. Be3 g6 14. c3 Ng7 15. Nf4 h5 16. Rfe1 h4 17. Nf1 Bf5 18. g4 Be4 19. Bxe4 Nxe4 20. Nd2 Ng5 21. Qg2 Bd6 22. Nd3 Ne4 23. Nf3 b6 24. Bf4 Bxf4 25. Nxf4 Ne6 26. Qh2 Qf6 27. Nxe6 Rxe6 28. Re3 Rae8 29. Rae1 c5 30. Qg2 g5 31. R1e2 Ng3 32. Re1 Rxe3 33. Rxe3 Rxe3 34. fxe3 Qe6 35. Qf2 f6 36. Nd2 Kg7 37. Qf3 cxd4 38. cxd4 Qc6 39. Qd1 Qb5 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.24"]
[Round "2"]
[White "Kardoeus, David"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1892"]
[BlackElo "2179"]
[PlyCount "153"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nge2 c6 6. g3 Bg4 7. Bg2 Qd7 8. h3 Bf5 9. g4 Bg6 10. Bf4 e6 11. Qd2 Na6 12. a3 Nc7 13. 0-0-0 h5 14. g5 Nfd5 15. Be5 h4 16. Nf4 Bf5 17. Rhe1 0-0-0 18. Ncxd5 exd5 19. Qa5 Kb8 20. Nd3 b6 21. Qa4 Kb7 22. Qb3 Ne6 23. Kb1 Be7 24. Ka1 f6 25. gxf6 gxf6 26. Bxf6 Bxf6 27. Rxe6 Bxd4 28. Re2 Rde8 29. Rxe8 Rxe8 30. Nb4 Bc5 31. Nxc6 Be4 32. Bxe4 Rxe4 33. Nb4 Bxb4 34. axb4 Qb5 35. Qxd5+ Qxd5 36. Rxd5 Rxb4 37. Rd7+ Kc6 38. Rxa7 Rf4 39. Rh7 Kd5 40. f3 Kd4 41. Kb1 Ke3 42. Kc1 Kxf3 43. Kd2 Kg3 44. Ke3 Rf3+ 45. Ke4 Rf2 46. Rh6 b5 47. Rb6 Rxc2 48. Rxb5 Kxh3 49. Kf3 Rc8 50. Rg5 Rf8+ 51. Ke4 Rb8 52. Kf3 Rxb2 53. Rg8 Kh2 54. Rg7 h3 55. Rg8 Rb6 56. Rg7 Rf6+ 57. Ke2 Ra6 58. Kf2 Ra2+ 59. Kf3 Rg2 60. Rh7 Rg6 61. Rh8 Rf6+ 62. Kg4 Rg6+ 63. Kf3 Rg7 64. Kf2 Rf7+ 65. Ke2 Rf4 66. Rg8 Kh1 67. Ke3 Rf1 68. Ke2 Rg1 69. Rh8 Rg3 70. Kf2 Kh2 71. Rh7 Rg8 72. Rh6 Rf8+ 73. Ke2 Kg2 74. Rg6+ Kh1 75. Rg7 Ra8 76. Kf2 Ra2+ 77. Kf3 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.24"]
[Round "3"]
[White "Tchetchelnitski, Boris"]
[Black "Fleck, Ronald"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2179"]
[BlackElo "1904"]
[PlyCount "87"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bd6 5. 0-0 0-0 6. b3 c5 7. cxd5 exd5 8. d4 cxd4 9. Nxd4 Nc6 10. Bb2 Re8 11. Nc3 Nxd4 12. Qxd4 Be5 13. Qd3 Be6 14. e3 Ne4 15. Rac1 Rc8 16. Nxe4 Bxb2 17. Rxc8 Bxc8 18. Rd1 Be6 19. Nc3 Qa5 20. Nxd5 Qxa2 21. Nc7 Rf8 22. Nxe6 fxe6 23. Bxb7 Bf6 24. Be4 Rd8 25. Qb1 Qxb1 26. Rxb1 Rb8 27. Bd3 a5 28. Bc4 Kf7 29. Rc1 Ke7 30. f4 Rd8 31. Rc2 e5 32. Kf2 h5 33. Be2 h4 34. g4 exf4 35. exf4 Rb8 36. Bc4 Bd4+ 37. Kf3 Rb6 38. Rg2 Rc6 39. Ke4 Ba1 40. g5 Rb6 41. Kf3 Rc6 42. f5 Bc3 43. Re2+ Kf8 44. Kg4 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2013.03.23"]
[Round "1"]
[White "Tchetchelnitski, Boris"]
[Black "Lange, Anika"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2179"]
[BlackElo "1652"]
[PlyCount "79"]
[EventDate "2013.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 0-0 6. Be2 b6 7. cxd5 exd5 8. 0-0 Bb7 9. b3 Nbd7 10. Bb2 a6 11. a4 Bd6 12. Bd3 Ne4 13. Qc2 Ndf6 14. Ne2 Qe7 15. Ne5 Nd7 16. f3 Nef6 17. Nxd7 Qxe3+ 18. Kh1 Nxd7 19. Bxh7+ Kh8 20. Bc1 Qe7 21. Bd3 Rae8 22. Bd2 g6 23. Rae1 Kg7 24. Qc1 Qh4 25. g3 Qh7 26. Kg2 Rh8 27. h4 Nf6 28. Nf4 Nh5 29. Rxe8 Rxe8 30. Nxh5+ Qxh5 31. Bf4 Bxf4 32. Qxf4 Re7 33. g4 Qh8 34. g5 Qe8 35. h5 gxh5 36. Rh1 Re1 37. Qf6+ Kg8 38. Bh7+ Kf8 39. Qh8+ Ke7 40. Rxe1+ 1-0

[Event "Oberliga Nord W 1213"]
[Site "Germany"]
[Date "2013.03.17"]
[Round "8.8"]
[White "Tchetchelnitski, Boris"]
[Black "Toedter, Carsten"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2195"]
[PlyCount "84"]
[EventDate "2012.10.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bremer SG"]
[BlackTeam "Goettingen Tempo"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 g6 5. d4 Bg7 6. Be2 0-0 7. 0-0 a6 8. a4 a5 9. b3 Na6 10. Ba3 Re8 11. Rc1 Bg4 12. h3 Bxf3 13. Bxf3 e6 14. Qd2 Qb6 15. Rb1 Rad8 16. Rfd1 Rd7 17. Qe1 e5 18. dxe5 Rxe5 19. cxd5 cxd5 20. Nb5 Re8 21. Bb2 Qd8 22. Bc3 b6 23. Bd4 Ne4 24. Bxe4 dxe4 25. Bxg7 Kxg7 26. Rxd7 Qxd7 27. Rd1 Qe6 28. Qc3+ Qf6 29. Qc4 Nc5 30. Nc3 Qe6 31. Rd5 h6 32. Nb5 Qf6 33. Nd6 Re6 34. Nb5 Nd3 35. Qc2 Rc6 36. Qe2 Rc1+ 37. Kh2 Re1 38. Qd2 Rf1 39. f4 exf3 40. Rxd3 fxg2 41. Qxg2 Rf2 42. Nd4 Qe5+ 0-1

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.26"]
[Round "9"]
[White "Bylino, Oleg"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2075"]
[BlackElo "2195"]
[PlyCount "21"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. Nf3 e6 2. d4 Nf6 3. c4 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. Rc1 Ne4 8. g3 Nxd2 9. Qxd2 Be4 10. Bg2 0-0 11. 0-0 1/2-1/2

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.25"]
[Round "8"]
[White "Tchetchelnitski, Boris"]
[Black "Finnlaugsson, Gunnar"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2195"]
[BlackElo "2062"]
[PlyCount "130"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. e3 b6 4. f4 Bb7 5. Nf3 Be7 6. Be2 0-0 7. 0-0 d6 8. c4 c5 9. Na3 Na6 10. Nc2 Nc7 11. a3 Nd7 12. Rb1 Bf6 13. d4 Qe7 14. b4 Rad8 15. Qe1 Be4 16. Rc1 e5 17. fxe5 dxe5 18. d5 Ne8 19. Nd2 Bg6 20. e4 Bh4 21. g3 Bg5 22. Bd3 Nd6 23. Ne3 Bh6 24. Rc2 Rc8 25. b5 Qg5 26. Nf5 Bxf5 27. exf5 Qe3+ 28. Qxe3 Bxe3+ 29. Kg2 Rfe8 30. Ne4 Nxe4 31. Bxe4 Nf6 32. Kf3 Bd4 33. g4 h6 34. a4 Re7 35. Ra1 Ne8 36. Ke2 Nd6 37. Kd3 a5 38. f6 gxf6 39. Rf1 Kg7 40. Bc1 Rh8 41. Rg2 Ne8 42. Bd2 Rd7 43. Rg3 Rd6 44. Rf5 Kf8 45. Rf1 Ng7 46. Rgf3 Ne8 47. h4 Rd7 48. Rf5 Kg7 49. R5f3 Kf8 50. Bf5 e4+ 51. Bxe4 Nd6 52. Bf5 Re7 53. Re1 Rxe1 54. Bxe1 Kg7 55. Bg3 Rd8 56. Rf1 Be5 57. Be1 Rh8 58. h5 Re8 59. Bd2 Re7 60. Re1 Re8 61. Bd7 Re7 62. Bc6 Kh7 63. Rf1 Kg7 64. Rb1 Bd4 65. Re1 Be5 1/2-1/2

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.24"]
[Round "7"]
[White "Guaglianone, Mario"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2027"]
[BlackElo "2195"]
[PlyCount "102"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. Ne2 Nc6 5. 0-0 e6 6. d3 Nge7 7. c3 0-0 8. a4 d5 9. f4 b6 10. Na3 Rb8 11. Qc2 a6 12. Be3 Bb7 13. g4 f5 14. h3 Ba8 15. exf5 exf5 16. d4 c4 17. Rae1 Qd7 18. g5 Nd8 19. Nb1 Nf7 20. Nd2 Bc6 21. Ra1 Qe6 22. Bf2 Nc8 23. Rfe1 Ncd6 24. Ng3 Qd7 25. Nf3 Ne4 26. Nxe4 fxe4 27. Ne5 Bxe5 28. dxe5 Nd8 29. Bg3 Ne6 30. Rf1 Rbd8 31. a5 b5 32. Rad1 Qe7 33. h4 Ng7 34. Qe2 Ne6 35. Bh2 Ng7 36. Bg3 Bb7 37. Kh2 Bc8 38. Be1 Ne6 39. Qe3 Nc5 40. Bg3 Nd3 41. Rd2 Qc7 42. Ra1 Nc5 43. Rf2 Bf5 44. Bh3 Bxh3 45. Kxh3 Qd7+ 46. Kg2 Nd3 47. Re2 Rb8 48. h5 Qg4 49. Rf1 gxh5 50. f5 Rxf5 51. Rxf5 Qxf5 0-1

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.23"]
[Round "6"]
[White "Tchetchelnitski, Boris"]
[Black "Batakovs, Olegs N"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2195"]
[BlackElo "2115"]
[PlyCount "58"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 c6 5. Nd2 d5 6. Bd3 Bg7 7. Ne2 0-0 8. c4 Be6 9. Nf4 Nd7 10. h4 Re8 11. cxd5 Bxd5 12. Nxd5 cxd5 13. Qf3 Qa5 14. a3 f5 15. b4 Qb6 16. Kf1 Nf6 17. h5 Rac8 18. hxg6 fxg6 19. Qd1 f4 20. Rh3 fxe3 21. fxe3 Rc3 22. Nb3 Rc7 23. Qe2 Qd6 24. Rc1 Rxc1+ 25. Nxc1 Rc8 26. Qd2 Ng4 27. Be2 Qf6+ 28. Ke1 Qf2+ 29. Kd1 Qg1+ 0-1

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.22"]
[Round "5"]
[White "Teemae, Leo A"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2047"]
[BlackElo "2195"]
[PlyCount "125"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 Qxd5 6. Bc4 Qc6 7. dxc5 Bxc5 8. Bd3 Nf6 9. 0-0 0-0 10. Qe2 Be7 11. a4 b6 12. Nc4 Nbd7 13. Nce5 Nxe5 14. Nxe5 Qc7 15. Bf4 Bd6 16. Bg3 Bb7 17. Ng4 Nxg4 18. Qxg4 f5 19. Bxd6 Qxd6 20. Qh3 Rf6 21. Qe3 e5 22. f3 Raf8 23. Bc4+ Kh8 24. Rad1 Qc7 25. Qb3 Rd6 26. Rxd6 Qxd6 27. Qe3 f4 28. Qe2 Qd4+ 29. Kh1 e4 30. c3 Qd7 31. fxe4 Qxa4 32. Bd5 Bxd5 33. exd5 Re8 34. Rxf4 Qd7 35. Re4 Rd8 36. c4 b5 37. b3 bxc4 38. bxc4 a5 39. c5 h6 40. d6 Qc6 41. Qc4 Rb8 42. h4 Rb4 43. d7 Qxd7 44. Qe6 Qxe6 45. Rxe6 Rxh4+ 46. Kg1 Rc4 47. Rc6 a4 48. Kf2 a3 49. Ra6 Rxc5 50. Rxa3 Rf5+ 51. Kg3 Kh7 52. Kh3 Rf6 53. g4 g5 54. Kg3 Kg6 55. Rb3 h5 56. gxh5+ Kxh5 57. Ra3 Rf4 58. Rb3 Rg4+ 59. Kh3 Re4 60. Kg3 Kg6 61. Ra3 Kf5 62. Ra5+ Re5 63. Ra3 1/2-1/2

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.21"]
[Round "4"]
[White "Tchetchelnitski, Boris"]
[Black "Auvinen, Esa"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2195"]
[BlackElo "1958"]
[PlyCount "57"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. g3 Nf6 4. Bg2 Nbd7 5. 0-0 c5 6. c4 Be7 7. cxd5 Nxd5 8. e4 N5f6 9. Nc3 cxd4 10. Nxd4 0-0 11. Qe2 e5 12. Nf5 a6 13. Rd1 b5 14. Nd5 Nxd5 15. exd5 Bf6 16. Bd2 Nb6 17. Ne3 Bb7 18. Ba5 Rb8 19. Rac1 Ba8 20. b3 Qd7 21. Rc6 Bxc6 22. dxc6 Qa7 23. Ng4 Rfd8 24. Nxf6+ gxf6 25. Rc1 Rd4 26. Bc3 Nd5 27. Bxd4 Qxd4 28. Bxd5 Qxd5 29. c7 1-0

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.20"]
[Round "3"]
[White "Gousseinov, Aguif"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2017"]
[BlackElo "2195"]
[PlyCount "72"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Be2 c6 6. Nf3 Bf5 7. Ne5 h6 8. Bf4 Qd8 9. Qd2 e6 10. a3 Nbd7 11. g4 Ne4 12. Nxe4 Bxe4 13. f3 Bh7 14. h4 Nxe5 15. Bxe5 f6 16. Bf4 Bd6 17. 0-0-0 Qc7 18. Bxd6 Qxd6 19. Bd3 Bxd3 20. Qxd3 0-0-0 21. Qe4 Rhe8 22. h5 Qd5 23. Qxd5 Rxd5 24. c3 c5 25. dxc5 Rxc5 26. Rd6 e5 27. Rhd1 Re7 28. Kd2 Kc7 29. Ke3 Rc4 30. Rd8 Rf4 31. Rg8 f5 32. gxf5 Rxf5 33. Rg1 Rxh5 34. R8xg7 Rxg7 35. Rxg7+ Kc6 36. Rg6+ Kd5 1/2-1/2

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.19"]
[Round "2"]
[White "Tchetchelnitski, Boris"]
[Black "Barle, Janez"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2195"]
[BlackElo "2382"]
[PlyCount "144"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 Nc6 3. d4 Bf5 4. Bg2 e6 5. 0-0 Nf6 6. b3 Be7 7. Bb2 h6 8. Nbd2 0-0 9. c4 Ne4 10. cxd5 exd5 11. Rc1 a5 12. a3 Ra6 13. Nb1 Re8 14. Nc3 Nxc3 15. Rxc3 Be4 16. Bh3 Na7 17. Nd2 Nb5 18. Nxe4 dxe4 19. Re3 Bxa3 20. Bxa3 Nxa3 21. Bg2 Rd6 22. Qd2 c6 23. Bxe4 Rxd4 24. Bd3 Rxe3 25. fxe3 Rd5 26. Ra1 Qe7 27. Qc1 Nb5 28. Rxa5 Nc7 29. Ra4 Re5 30. Kf2 g6 31. Rh4 h5 32. Qc4 Nd5 33. e4 Nf6 34. Rf4 Ng4+ 35. Kg1 Rc5 36. Qd4 Rc1+ 37. Kg2 g5 38. Rf3 f6 39. h3 Ne5 40. Rf5 Kg7 41. h4 gxh4 42. Rxh5 Qc5 43. Qxc5 Rxc5 44. Rxh4 Rc3 45. Bc4 Nxc4 46. bxc4 Rxc4 47. Kf3 b5 48. Ke3 b4 49. Kd3 Rc3+ 50. Kd2 Rc5 51. e5 Rd5+ 52. Ke1 c5 53. exf6+ Kxf6 54. Rh6+ Ke5 55. Rh5+ Ke4 56. Rh4+ Ke3 57. Rf4 Rh5 58. Rf3+ Kd4 59. Kd2 c4 60. Rf4+ Kc5 61. g4 Rh3 62. Rf5+ Kd4 63. Rf4+ Kd5 64. Rf3 Rh1 65. Rg3 b3 66. Kc3 Rc1+ 67. Kb2 Rc2+ 68. Kb1 Kd4 69. g5 c3 70. Rd3+ Kc4 71. Re3 Rb2+ 72. Kc1 Ra2 0-1

[Event "EU-ch Seniors 12th"]
[Site "Kaunas"]
[Date "2012.08.18"]
[Round "1"]
[White "Barsciauskas, Gintautas"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1807"]
[BlackElo "2195"]
[PlyCount "94"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 d5 2. d3 dxe4 3. dxe4 Qxd1+ 4. Kxd1 Nc6 5. c3 Nf6 6. f3 Be6 7. Nd2 0-0-0 8. Kc2 Kb8 9. Nc4 g6 10. g3 Bg7 11. Nh3 h6 12. Nf4 Bc8 13. Be3 g5 14. Nd3 g4 15. e5 Nd5 16. f4 b5 17. Nc5 bxc4 18. Bf2 Bf5+ 19. Kc1 Bd3 20. Nxd3 cxd3 21. Kd2 f6 22. e6 f5 23. Rc1 Nb6 24. b3 Rd6 25. Re1 Nd5 26. Rc1 Nf6 27. Bg2 Rxe6 28. Be3 Rd8 29. Rhe1 Ne4+ 30. Bxe4 Rxe4 31. h3 h5 32. hxg4 hxg4 33. Rh1 e5 34. Rh5 exf4 35. gxf4 Ne7 36. Rh7 Bf6 37. c4 Bb2 38. Re1 Ba3 39. Kd1 Rg8 40. Bg1 Rxe1+ 41. Kxe1 Bb4+ 42. Kd1 Ng6 43. Rh5 Re8 44. Bf2 Re2 45. Rxf5 Rxf2 46. Rb5+ Kc8 47. Rxb4 g3 0-1

[Event "Oberliga Nord W 1112"]
[Site "Germany"]
[Date "2012.04.15"]
[Round "9.8"]
[White "Tchetchelnitski, Boris"]
[Black "Sturm, Tobias"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2190"]
[BlackElo "2063"]
[PlyCount "135"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Bremer SG"]
[BlackTeam "Delmenhorst"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. Nf3 d6 6. 0-0 c5 7. a3 Nc6 8. d3 Rb8 9. Bg5 h6 10. Bd2 Bd7 11. Rb1 Qc8 12. Re1 Bh3 13. Bh1 Ng4 14. Nd5 e5 15. b4 Qe6 16. bxc5 dxc5 17. Ne3 e4 18. Nd5 exf3 19. exf3 Qf5 20. fxg4 Bxg4 21. f3 Bh3 22. Be3 Rfe8 23. g4 Qe5 24. Bg2 Bxg2 25. Kxg2 Qd6 26. Qd2 Kh7 27. Bf4 Ne5 28. Bg3 g5 29. a4 Qg6 30. Rbd1 f5 31. h3 b6 32. Re2 h5 33. Rde1 f4 34. Bf2 Nc6 35. Nc7 Rxe2 36. Rxe2 Ne5 37. Re4 Rd8 38. Nd5 Qc6 39. Qe2 hxg4 40. hxg4 Qd6 41. Be1 Kg6 42. Bc3 Re8 43. Qd1 Kf7 44. Re1 Qg6 45. d4 cxd4 46. Bxd4 Nxc4 47. Rxe8 Kxe8 48. Qe2+ Ne3+ 49. Bxe3 fxe3 50. Qxe3+ Kf8 51. Qa3+ Kf7 52. Qe7+ Kg8 53. Qd8+ Kh7 54. Ne3 Qf6 55. Qd3+ Kg8 56. Qd5+ Kh7 57. Nf5 Qb2+ 58. Kh3 Qa1 59. Ng3 Qd4 60. Qxg5 Qxa4 61. Qf5+ Kg8 62. Qe6+ Kh7 63. Qf5+ Kg8 64. Qd5+ Kh7 65. Ne4 Qa5 66. Qf7 Qa1 67. Ng5+ Kh8 68. Qe8+ 1-0

[Event "Oberliga Nord W 1112"]
[Site "Germany"]
[Date "2012.01.15"]
[Round "5.8"]
[White "Tchetchelnitski, Boris"]
[Black "Seger, Rainer"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2190"]
[PlyCount "117"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Bremer SG"]
[BlackTeam "Uelzen Post"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d6 2. c4 e5 3. Nc3 Bg4 4. e3 f5 5. h3 Bh5 6. Be2 Nc6 7. Qb3 Qd7 8. Nxe5 Nxe5 9. Bxh5+ g6 10. Be2 0-0-0 11. d4 Nc6 12. Bd2 Bg7 13. 0-0-0 Nf6 14. Bf3 g5 15. Qa4 Qe8 16. Bxc6 bxc6 17. Qxa7 Qg6 18. Qa4 Kd7 19. d5 Rc8 20. dxc6+ Ke7 21. f3 Ra8 22. Qc2 Rhb8 23. b3 Kf8 24. Nb5 Qf7 25. a4 d5 26. Bb4+ Kg8 27. Bc5 dxc4 28. bxc4 Ra6 29. Rd7 Nxd7 30. cxd7 Rc6 31. Rd1 Rd8 32. Rd5 Rxd7 33. Rxf5 Qe6 34. e4 h6 35. Kb1 Ra6 36. Rd5 c6 37. Rxd7 Qxd7 38. Nd6 Be5 39. Nf5 Ra8 40. Bb6 c5 41. a5 Kh7 42. g3 Qc6 43. Qd1 Rb8 44. Qb3 Qd7 45. Qc2 Qe6 46. Qa4 Bc7 47. Qa1 Be5 48. Qa2 Qd7 49. Kc2 Rf8 50. Qb3 Rf6 51. Qb5 Qf7 52. g4 Bd4 53. Bxc5 Rxf5 54. gxf5 Bg7 55. Ba3 Qc7 56. Kb1 Qg3 57. Bb2 Qe1+ 58. Ka2 Qd2 59. e5 1-0

[Event "GER-chT Seniors 19th"]
[Site "Eckernfoerde"]
[Date "2010.09.19"]
[Round "7.2"]
[White "Postler, Reinhard"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2280"]
[BlackElo "2101"]
[PlyCount "93"]
[EventDate "2010.09.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Berlin"]
[BlackTeam "Bremen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 c6 8. Bf4 Qd8 9. 0-0 e6 10. h3 Bxf3 11. Bxf3 Be7 12. Ne2 0-0 13. c4 Nbd7 14. Qc2 Qc8 15. Rfd1 Rd8 16. Qb3 a5 17. Rac1 a4 18. Qc2 Nb6 19. Bg2 h6 20. b3 g5 21. Be3 Qc7 22. Rb1 a3 23. f4 Ne8 24. fxg5 hxg5 25. Rf1 Ng7 26. g4 Nd7 27. Rf2 Nf8 28. Be4 Rd7 29. Kg2 Rad8 30. Rbf1 f6 31. Rxf6 Bxf6 32. Rxf6 Ne8 33. Rh6 Rg7 34. Qc1 Qe7 35. Rh5 Nf6 36. Bxg5 Qf7 37. Bxf6 Qxf6 38. Qe3 Ng6 39. Bxg6 Qxg6 40. Nf4 Qc2+ 41. Kg3 Re8 42. Nxe6 Qxa2 43. Rh8+ Kf7 44. Ng5+ Kf6 45. Qf4+ Ke7 46. Qe5+ Kd7 47. Qxe8+ 1-0

[Event "GER-chT Seniors 19th"]
[Site "Eckernfoerde"]
[Date "2010.09.18"]
[Round "6.2"]
[White "Tchetchelnitski, Boris"]
[Black "Rychlik, Kurt"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2101"]
[BlackElo "1943"]
[PlyCount "88"]
[EventDate "2010.09.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Bremen"]
[BlackTeam "Niedersachsen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. g3 c5 2. c4 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 d6 6. d3 e5 7. Bg5 f6 8. Bd2 Nge7 9. Qc1 Be6 10. a3 Qd7 11. h3 Rc8 12. Bh6 0-0 13. Bxg7 Kxg7 14. Qd1 d5 15. cxd5 Nxd5 16. Ne4 b6 17. h4 h6 18. 0-0 f5 19. Ned2 f4 20. Nc4 Qc7 21. a4 Nf6 22. Ncd2 Rcd8 23. Qe1 Bd5 24. Bh3 Nd4 25. Rc1 Nxf3+ 26. exf3 Bc6 27. Rc3 Nd5 28. Rc4 Nb4 29. Qe2 Nxd3 30. Rd1 Nxb2 31. Rdc1 Nxc4 32. Rxc4 Rd4 33. Rxd4 exd4 34. Kg2 Bxa4 35. Qe6 Re8 36. Qg4 fxg3 37. h5 Qf7 38. Qxg3 g5 39. Qd6 Qf6 40. Qd5 Bc6 41. Qc4 Re7 42. Bc8 Qf7 43. Qd3 Qxh5 44. Ne4 Qg6 0-1

[Event "GER-chT Seniors 19th"]
[Site "Eckernfoerde"]
[Date "2010.09.17"]
[Round "5.2"]
[White "Franck, Rudolf"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2069"]
[BlackElo "2101"]
[PlyCount "47"]
[EventDate "2010.09.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Wuerttemberg II"]
[BlackTeam "Bremen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. Qd4 Nf7 7. h4 c6 8. 0-0-0 Qc7 9. Nh3 Qe5 10. Bc4 Qxd4 11. Rxd4 c5 12. Rd2 Nd6 13. b3 a6 14. Re1 b5 15. Bf1 Bb7 16. Bxf6 e6 17. Re3 gxf6 18. g4 Rg8 19. Be2 Kd8 20. f4 a5 21. Nf2 f5 22. g5 Bg7 23. Nxb5 c4 24. Nxd6 1/2-1/2

[Event "GER-chT Seniors 19th"]
[Site "Eckernfoerde"]
[Date "2010.09.16"]
[Round "4.2"]
[White "Tchetchelnitski, Boris"]
[Black "Walter, Berthold"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2101"]
[BlackElo "1946"]
[PlyCount "58"]
[EventDate "2010.09.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Bremen"]
[BlackTeam "Rheinland Pfalz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 0-0 7. Bg2 Nc6 8. 0-0 Re8 9. Rc1 Qe7 10. Qb3 Bd7 11. e3 Rab8 12. a3 a5 13. Ne5 a4 14. Qc2 dxc4 15. Nxd7 Qxd7 16. Nxc4 Nd5 17. Rfd1 b5 18. Ne5 Nxe5 19. dxe5 Qe7 20. Bxd5 exd5 21. Rxd5 b4 22. Qxa4 bxa3 23. bxa3 g6 24. Qd4 Qxa3 25. Rxc7 Rb4 26. Qc5 Rb1+ 27. Kg2 Qa6 28. Qc4 Qe6 29. Rc6 Qf5 1-0

[Event "GER-chT Seniors 19th"]
[Site "Eckernfoerde"]
[Date "2010.09.15"]
[Round "3.2"]
[White "Just, Joachim"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A99"]
[WhiteElo "1950"]
[BlackElo "2101"]
[PlyCount "55"]
[EventDate "2010.09.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Sachsen Anhalt II"]
[BlackTeam "Bremen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. 0-0 0-0 6. d4 d6 7. Nc3 a5 8. b3 Qe8 9. Qc2 Nc6 10. Ba3 Nb4 11. Qb1 Qh5 12. Bb2 Ng4 13. a3 Nc6 14. Nb5 Bd8 15. h3 Nh6 16. e3 Nf7 17. d5 exd5 18. cxd5 Nce5 19. Qd1 Nxf3+ 20. Qxf3 Qxf3 21. Bxf3 Bd7 22. Nd4 Ng5 23. Bg2 Re8 24. Rac1 Ne4 25. Rfd1 Rc8 26. Bf1 Bf6 27. Ba1 Re7 28. Kg2 1/2-1/2

[Event "GER-chT Seniors 19th"]
[Site "Eckernfoerde"]
[Date "2010.09.14"]
[Round "2.2"]
[White "Tchetchelnitski, Boris"]
[Black "Heckert, Klaus Dieter"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2101"]
[BlackElo "1993"]
[PlyCount "125"]
[EventDate "2010.09.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Bremen"]
[BlackTeam "Brandenburg II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 f5 2. d3 Nf6 3. e4 d6 4. e5 dxe5 5. Nxe5 Nbd7 6. Nxd7 Qxd7 7. Bg5 g6 8. Be2 Bg7 9. Qc1 h6 10. Bd2 e5 11. h4 Qf7 12. Nc3 Be6 13. a4 c6 14. a5 Nd5 15. Na4 Qe7 16. c3 Kf7 17. b4 Bf6 18. Nc5 Rae8 19. Kf1 Bc8 20. g3 b6 21. axb6 axb6 22. Na4 b5 23. Nc5 Kg7 24. Bf3 Qc7 25. Kg2 Nb6 26. Re1 Nd7 27. Be3 Nxc5 28. Bxc5 Bb7 29. c4 Qd7 30. Ra7 Ra8 31. Qe3 Rxa7 32. Bxa7 bxc4 33. dxc4 e4 34. Be2 Rd8 35. Rd1 Qf7 36. Rxd8 Bxd8 37. Bd4+ Kh7 38. Bc3 Bf6 39. Bxf6 Qxf6 40. Qa7 Qg7 41. c5 Bc8 42. Qb8 Be6 43. Qd6 Qd7 44. Qe5 Bd5 45. Kg1 Bf7 46. Qc3 Be8 47. Bc4 Qg7 48. Qb3 Qd4 49. Be6 Kg7 50. Kg2 Kf6 51. Bg8 Qe5 52. Qe3 g5 53. Qd2 f4 54. hxg5+ hxg5 55. Bc4 e3 56. fxe3 fxe3 57. Qd8+ Kg7 58. Be2 Bf7 59. Qd7 Qd5+ 60. Qxd5 Bxd5+ 61. Kf1 Kf6 62. b5 cxb5 63. Bxb5 1-0

[Event "GER-chT Seniors 19th"]
[Site "Eckernfoerde"]
[Date "2010.09.13"]
[Round "1.2"]
[White "Dornieden, Manfred"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2070"]
[BlackElo "2101"]
[PlyCount "103"]
[EventDate "2010.09.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Niedersachsen"]
[BlackTeam "Bremen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 f5 2. Nc3 Nf6 3. Nf3 b6 4. b3 Bb7 5. Bb2 e6 6. e3 Be7 7. Be2 0-0 8. 0-0 Ne4 9. d3 Nxc3 10. Bxc3 Bf6 11. Bxf6 Qxf6 12. d4 d6 13. Rc1 Qe7 14. Qc2 Nd7 15. b4 c5 16. bxc5 bxc5 17. Rb1 Rfb8 18. Nd2 Nb6 19. Bf3 Bxf3 20. Nxf3 Rf8 21. Nd2 Qf6 22. Qd3 cxd4 23. exd4 e5 24. Qb3 Qf7 25. c5 dxc5 26. dxe5 Qxb3 27. axb3 Rfe8 28. f4 Rad8 29. Rf2 Rd4 30. g3 Red8 31. Rb2 h6 32. Kg2 Rd3 33. Nc4 Nd5 34. Rf3 Nb4 35. Nd6 g6 36. Rxd3 Nxd3 37. Rd2 Nb4 38. Kf2 Kf8 39. Ke2 Rb8 40. Rb2 Ke7 41. Kd2 Ke6 42. Kc3 g5 43. Kc4 gxf4 44. gxf4 Nd5 45. Kxc5 Nxf4 46. Kd4 a5 47. Rf2 Rb4+ 48. Kc3 Nd5+ 49. Kb2 f4 50. Ka3 Kxe5 51. Nf7+ Ke4 52. Nxh6 1/2-1/2

[Event "Oberliga Nord W 0910"]
[Site "Germany"]
[Date "2010.04.11"]
[Round "9.8"]
[White "Kopanski, Lorenz"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1816"]
[BlackElo "2185"]
[PlyCount "64"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Hannover Post"]
[BlackTeam "Bremer SG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Bd3 Nbd7 4. Ne2 e5 5. d5 g6 6. 0-0 Bg7 7. Be3 0-0 8. f3 Kh8 9. Qd2 Ng8 10. g4 Nc5 11. Bxc5 dxc5 12. Ng3 Qe7 13. Qe2 Bd7 14. Nd2 Rad8 15. Nb3 Bh6 16. Rad1 Bf4 17. Bb5 Bc8 18. Qf2 b6 19. Ne2 Bg5 20. Kh1 Nh6 21. h3 f5 22. Qg2 Rd6 23. Nd2 Rdf6 24. Nc4 a6 25. Bc6 b5 26. Na5 fxe4 27. fxe4 Be3 28. Ng3 Rf2 29. Rxf2 Rxf2 30. Qg1 Qh4 31. Nf1 Qxh3+ 32. Nh2 Nxg4 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.04.03"]
[Round "9"]
[White "Meyer, Malte"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2294"]
[BlackElo "2202"]
[PlyCount "116"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 d5 5. Bf4 c6 6. e3 Be7 7. Bd3 0-0 8. Qc2 Ne4 9. g4 Na6 10. a3 Nc7 11. Rg1 Ne8 12. gxf5 exf5 13. cxd5 cxd5 14. Nxd5 N8d6 15. Nxe7+ Qxe7 16. Rc1 Bd7 17. Qb3+ Kh8 18. Be5 Rg8 19. Qb4 a5 20. Qb6 Rac8 21. Rxc8 Bxc8 22. Qxa5 Qf7 23. Qb6 Ne8 24. Bxe4 fxe4 25. Ng5 Qf5 26. Qh6 Rf8 27. Qh4 Bd7 28. Nxe4 Bc6 29. Rg4 Rg8 30. Rf4 Qg6 31. Qg4 Bxe4 32. Rxe4 Qc6 33. Kf1 Nf6 34. Bxf6 gxf6 35. Qe6 Qb5+ 36. Ke1 Rg1+ 37. Kd2 Qxb2+ 38. Kd3 Qb1+ 39. Kc4 Rc1+ 40. Kd5 Qb5+ 41. Kd6 Rc6+ 42. Ke7 Rxe6+ 43. Rxe6 Kg7 44. Rd6 Qa5 45. d5 Qxa3 46. Ke6 Qc3 47. Rd7+ Kg6 48. Ke7 Qe5+ 49. Kf8 b5 50. d6 Qd5 51. Rg7+ Kh6 52. d7 Qa8+ 53. Kf7 Qd8 54. Rg3 Qxd7+ 55. Kxf6 Qd6+ 56. Kf7 b4 57. f4 Qg6+ 58. Rxg6+ hxg6 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.04.02"]
[Round "8"]
[White "Tchetchelnitski, Boris"]
[Black "Jung, Gerald"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2202"]
[BlackElo "2046"]
[PlyCount "129"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. c4 Bg7 4. Bg2 Nc6 5. Nc3 e5 6. d3 d6 7. Bg5 f6 8. Bd2 Nh6 9. Nd5 Be6 10. 0-0 0-0 11. Ne1 Qd7 12. Nc2 Bh3 13. e4 Bxg2 14. Kxg2 Ne7 15. Nxe7+ Qxe7 16. Ne3 f5 17. Nd5 Qd7 18. Bxh6 Bxh6 19. f3 f4 20. Qe2 Rab8 21. a3 a5 22. b4 axb4 23. axb4 cxb4 24. Rfb1 fxg3 25. hxg3 Rf7 26. Rxb4 Rbf8 27. Rf1 g5 28. Ne3 Ra8 29. Nf5 Bf8 30. Rb5 Qc6 31. g4 Ra3 32. Rfb1 Qa6 33. Kg3 Ra2 34. R5b2 Ra1 35. Qc2 h6 36. Qc1 Ra3 37. Rb3 Ra2 38. Qc3 Qa7 39. Rb6 Ra3 40. Qd2 Ra2 41. Qc1 Ra3 42. Qf1 Qa5 43. R6b3 Ra2 44. Qe1 Qa7 45. R1b2 Ra1 46. Qf2 Qa4 47. Qb6 Rf1 48. Rb1 Rxb1 49. Rxb1 Qc2 50. Qb3 Qd2 51. Qd1 Qf4+ 52. Kg2 Rc7 53. Qe2 h5 54. gxh5 Rh7 55. Qe3 Rxh5 56. Qxf4 gxf4 57. Rxb7 Rg5+ 58. Kf1 Rh5 59. d4 Rh1+ 60. Kg2 Rc1 61. c5 dxc5 62. dxe5 Rc2+ 63. Kh3 c4 64. e6 Bc5 65. Rb8+ 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.04.01"]
[Round "7"]
[White "Margraf, Daniel"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2229"]
[BlackElo "2202"]
[PlyCount "65"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nge2 Nf6 6. Bf4 Qd8 7. Ng3 e6 8. Qf3 Bb4 9. a3 Be7 10. 0-0-0 Nbd7 11. Bd3 Qa5 12. Nce4 0-0 13. Rhe1 Nxe4 14. Nxe4 Rd8 15. Bd2 Qc7 16. Ng5 Nf6 17. Bxh7+ Kf8 18. Bd3 Rxd4 19. Qh3 Ke8 20. Qh8+ Bf8 21. Be3 Rd5 22. c4 Ra5 23. Bd2 b6 24. g3 Qe7 25. Bxa5 bxa5 26. f4 Rb8 27. Rd2 Bd7 28. f5 e5 29. Rde2 Ng4 30. Nf3 Kd8 31. Nxe5 Nxe5 32. Rxe5 Qg5+ 33. Kc2 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.03.31"]
[Round "6"]
[White "Tchetchelnitski, Boris"]
[Black "Dietrich, Igor"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2202"]
[BlackElo "1981"]
[PlyCount "32"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Nc3 Nc6 5. e3 Nf6 6. Be2 Be7 7. Nh4 Bg6 8. Nxg6 hxg6 9. Qb3 Rb8 10. cxd5 exd5 11. Bf3 Na5 12. Qa4+ c6 13. h3 a6 14. 0-0 0-0 15. Qc2 Bd6 16. a3 Qb6 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.03.30"]
[Round "5"]
[White "Kuegel, Tobias"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1939"]
[BlackElo "2202"]
[PlyCount "110"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Nc6 6. Ne2 Nb4 7. Bf4 Ne7 8. c3 Nxd3+ 9. Qxd3 Bxf4 10. Nxf4 Qd6 11. Qd2 Bf5 12. Na3 c6 13. 0-0-0 0-0-0 14. Nc2 Rde8 15. Rde1 Bd7 16. Nd3 Ng6 17. f3 f6 18. g3 b6 19. Rxe8+ Bxe8 20. Re1 Bd7 21. Qf2 h5 22. Ne3 Ne7 23. f4 Nf5 24. Nxf5 Bxf5 25. Kd2 Kd7 26. Qe3 Bg6 27. Qe2 Re8 28. Qf3 Rxe1 29. Nxe1 Qe6 30. Qe2 Qd6 31. Nd3 c5 32. dxc5 bxc5 33. Qe3 d4 34. cxd4 cxd4 35. Qf3 Qc6 36. Qf2 Qd5 37. Nb4 Qe4 38. Qe2 Qxe2+ 39. Kxe2 Kd6 40. Nd3 Kd5 41. b3 Be8 42. Nf2 Bd7 43. Kd2 Bb5 44. Kc2 Bd7 45. Kd2 Bf5 46. a3 Bc8 47. Kd3 a5 48. Kc2 h4 49. Kd3 hxg3 50. hxg3 Bd7 51. Kc2 Bb5 52. Kd2 Bd7 53. Kc2 g5 54. fxg5 fxg5 55. Kd3 Be6 1/2-1/2

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.03.29"]
[Round "4"]
[White "Tchetchelnitski, Boris"]
[Black "Munk, Leonhard"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2202"]
[PlyCount "63"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 g6 4. d4 Bg7 5. Bg2 Ne7 6. h4 dxc4 7. Qa4+ Nbc6 8. e3 h5 9. Qxc4 Qd5 10. Qe2 a6 11. Nc3 Qd7 12. 0-0 b6 13. Ne5 Bxe5 14. dxe5 Bb7 15. Rd1 Qc8 16. Qf3 Nf5 17. Qf4 g5 18. Qxg5 Nce7 19. e4 Rg8 20. Qxh5 Ng7 21. Qe2 c5 22. Bg5 Qc7 23. Bf6 Kf8 24. Qe3 Ng6 25. Rd6 Ne7 26. Rad1 Bc6 27. Qg5 Ngf5 28. Bxe7+ Nxe7 29. Qh6+ Ke8 30. h5 b5 31. Qf6 Qb7 32. h6 1-0

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.03.28"]
[Round "3"]
[White "Janiesch, Maike"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1708"]
[BlackElo "2202"]
[PlyCount "94"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. e3 b6 7. Be2 Bb7 8. h3 Ne4 9. 0-0 d6 10. Nxe4 fxe4 11. Nd2 Bf6 12. Qc2 Bxd4 13. Nxe4 Bf6 14. Bf3 Nc6 15. Nxf6+ Qxf6 16. Qa4 Na5 17. Bxb7 Nxb7 18. Qc6 Na5 19. Qxc7 e5 20. Bg5 Qxg5 21. Qxd6 Rad8 22. Qe6+ Kh8 23. Rad1 Qf6 24. Qxf6 gxf6 25. b3 Nc6 26. g4 Kg7 27. f3 Kf7 28. Kf2 Ke6 29. Ke2 Rxd1 30. Rxd1 Rd8 31. Rxd8 Nxd8 32. Kd3 Nf7 33. f4 f5 34. g5 Nh8 35. Ke2 Ng6 36. Kf3 exf4 37. exf4 Ne7 38. h4 Nc6 39. Ke3 Nb4 40. a4 Nc2+ 41. Kf2 a5 42. h5 Kf7 43. Kg3 Nd4 44. b4 axb4 45. c5 bxc5 46. a5 b3 47. a6 Nc6 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.03.28"]
[Round "2"]
[White "Tchetchelnitski, Boris"]
[Black "Steingraeber, Kai Uwe"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "2202"]
[PlyCount "114"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 c6 7. Nc3 Nbd7 8. e4 e5 9. h3 Qc7 10. Be3 b6 11. Rc1 exd4 12. Nxd4 Ne5 13. b3 Bb7 14. Qd2 Rad8 15. f4 Ned7 16. b4 Rfe8 17. a3 a6 18. Qd3 Nc5 19. Qc2 Ncxe4 20. Nxe4 Nxe4 21. f5 Nxg3 22. Qf2 Bxd4 23. Bxd4 Ne2+ 24. Kh1 Nxd4 25. Qxd4 c5 26. Qd2 Re5 27. f6 Rh5 28. Rc3 Qd7 29. Kg1 Bxg2 30. Qxg2 d5 31. bxc5 dxc4 32. Rxc4 bxc5 33. Rg4 Rf5 34. Rgf4 Rxf4 35. Rxf4 Qd1+ 36. Rf1 Qd4+ 37. Rf2 Qe5 38. Qg4 h5 39. Qf3 c4 40. Kg2 c3 41. Qb7 Qd5+ 42. Qxd5 Rxd5 43. Rf1 Rg5+ 44. Kh2 Kh7 45. Rc1 Rc5 46. h4 Kh6 47. Kg3 g5 48. hxg5+ Kxg5 49. Kf3 Kxf6 50. Ke4 c2 51. Kd3 h4 52. Kd2 Kg5 53. Rg1+ Kh5 54. Kc1 h3 55. Rg7 f5 56. a4 Rc6 57. Rg1 Kh4 0-1

[Event "Bremen-ch op"]
[Site "Bremen"]
[Date "2010.03.27"]
[Round "1"]
[White "Bergmann, Reinhold"]
[Black "Tchetchelnitski, Boris"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1929"]
[BlackElo "2202"]
[PlyCount "80"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 Nc6 8. 0-0 e6 9. Bf4 Qd8 10. Re1 Be7 11. Qd2 0-0 12. Rad1 Nb4 13. a3 Nbd5 14. Be5 Nxc3 15. Qxc3 Nd5 16. Qb3 b5 17. h3 Bh5 18. g4 Bg6 19. Bg3 c6 20. Ne5 Rc8 21. Nxg6 hxg6 22. Re2 Bf6 23. Qd3 g5 24. Red2 Qe7 25. Qe4 Rfd8 26. Bf1 g6 27. c3 Bg7 28. Bg2 a5 29. Qe2 Nb6 30. d5 Nxd5 31. Bxd5 Rxd5 32. Rxd5 cxd5 33. Rxd5 b4 34. axb4 axb4 35. cxb4 Qxb4 36. Rb5 Rc1+ 37. Kg2 Qa4 38. Rb8+ Kh7 39. b3 Qc6+ 40. Qf3 Rg1+ 0-1

[Event "Oberliga Nord W 0910"]
[Site "Germany"]
[Date "2010.01.24"]
[Round "5.8"]
[White "Hoellmann, Ludger"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2185"]
[BlackElo "2185"]
[PlyCount "135"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Nordhorn Blanke"]
[BlackTeam "Bremer SG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 e6 2. d4 b5 3. e4 Bb7 4. Bd3 c5 5. c3 a6 6. 0-0 Nf6 7. Re1 Qc7 8. Bg5 d6 9. a4 Nbd7 10. axb5 c4 11. Bc2 axb5 12. Rxa8+ Bxa8 13. Na3 Qb6 14. d5 e5 15. b3 cxb3 16. Bd3 Be7 17. Bxb5 h6 18. Bxf6 Bxf6 19. Nd2 Qc7 20. Qxb3 0-0 21. Qb4 Bg5 22. Nb3 f5 23. Nc4 Nc5 24. Nxc5 dxc5 25. Qb3 fxe4 26. Ne3 Qf7 27. Rf1 Kh8 28. c4 Bb7 29. Qc3 Bc8 30. Qd2 Qa7 31. Qe2 Be7 32. Rd1 Bd6 33. Qc2 Qf7 34. Rf1 Qf4 35. Qe2 Qf7 36. Ra1 h5 37. Ra8 g6 38. Qa2 Bf5 39. Rxf8+ Qxf8 40. Qa7 Qf6 41. Bd7 Bf8 42. Qb7 Qe7 43. Bc6 Qxb7 44. Bxb7 Kg7 45. Kf1 Kf6 46. Bc6 Ke7 47. h3 Bh6 48. Ke2 Kd6 49. Be8 h4 50. Ba4 Bf8 51. Kd2 Be7 52. Bd1 Bc8 53. Bc2 Bf5 54. Nd1 Bd8 55. Ke2 Kd7 56. Nc3 Ba5 57. Nb1 Kd6 58. Ke3 Be1 59. Na3 Ke7 60. Nb5 Bxf2+ 61. Kxf2 e3+ 62. Kxe3 Bxc2 63. Nc3 Kd7 64. Ne4 Bxe4 65. Kxe4 Kd6 66. Kf3 Ke7 67. Kg4 Kf6 68. Kxh4 1-0

[Event "Oberliga Nord W 0910"]
[Site "Germany"]
[Date "2009.11.15"]
[Round "2.8"]
[White "Maron, Ilja"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A05"]
[BlackElo "2185"]
[PlyCount "71"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Melle III"]
[BlackTeam "Bremer SG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 e6 2. g3 b5 3. Bg2 Bb7 4. 0-0 Nf6 5. d3 d5 6. Nbd2 Nbd7 7. c4 bxc4 8. dxc4 c6 9. Qa4 Nc5 10. Qc2 a5 11. b3 Be7 12. Bb2 Rc8 13. Rad1 Qc7 14. Rfe1 0-0 15. h4 Ncd7 16. e4 Bc5 17. Bd4 Bxd4 18. Nxd4 Qb6 19. N4f3 Rfd8 20. e5 Ng4 21. Nf1 Qc5 22. N1h2 Nxh2 23. Kxh2 Nf8 24. Rd4 Ba6 25. Qd2 Rd7 26. Rc1 Qb4 27. Qxb4 axb4 28. cxd5 c5 29. dxe6 Rxd4 30. Nxd4 Nxe6 31. Nf5 Rc7 32. Bd5 Kf8 33. Bxe6 fxe6 34. Nd6 Ke7 35. f4 Bd3 36. Kg2 1/2-1/2

[Event "GER-chT Seniors 18th"]
[Site "Finsterbergen"]
[Date "2009.09.18"]
[Round "7"]
[White "Tchetchelnitski, Boris"]
[Black "Krieger, Hermann"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2185"]
[BlackElo "2268"]
[PlyCount "118"]
[EventDate "2009.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. Nf3 f5 2. d3 d6 3. e4 e5 4. Nc3 Nf6 5. d4 Nxe4 6. dxe5 Nxc3 7. bxc3 dxe5 8. Qxd8+ Kxd8 9. Nxe5 Be6 10. Bd3 Bd6 11. Nf3 Re8 12. 0-0 Nc6 13. Ng5 g6 14. Nxe6+ Rxe6 15. Bc4 Re4 16. Bd5 Re2 17. Rb1 Kd7 18. Rxb7 Rxc2 19. c4 Re8 20. Bxc6+ Kxc6 21. Rxa7 Bc5 22. Ra6+ Kb7 23. Ra5 Bxf2+ 24. Rxf2 Rxc1+ 25. Rf1 Rxc4 26. Rb5+ Kc6 27. Rb2 Re5 28. Rf3 Rec5 29. h3 Rc1+ 30. Kh2 R5c2 31. Rf2 Rxf2 32. Rxf2 Kd5 33. Kg3 Rd1 34. Rb2 g5 35. Kf3 c5 36. Rb7 Rd3+ 37. Ke2 Ra3 38. Rxh7 Rxa2+ 39. Kf3 Ra3+ 40. Ke2 c4 41. Rd7+ Ke4 42. Re7+ Kf4 43. Rc7 Ra2+ 44. Kf1 Ke3 45. g3 Kf3 46. Ke1 Kxg3 47. Rc5 Kxh3 48. Rxf5 g4 49. Rh5+ Kg2 50. Rc5 Ra4 51. Ke2 g3 52. Rc8 Kg1 53. Rc7 g2 54. Rg7 Ra2+ 55. Ke3 Kf1 56. Rf7+ Ke1 57. Rg7 Re2+ 58. Kf3 Kf1 59. Rg4 Rf2+ 0-1

[Event "GER-chT Seniors 18th"]
[Site "Finsterbergen"]
[Date "2009.09.17"]
[Round "6"]
[White "Donchenko, Anatoly G"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2381"]
[BlackElo "2185"]
[PlyCount "36"]
[EventDate "2009.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 Nf6 5. g3 b6 6. Bg2 Bb7 7. 0-0 Bxd2 8. Qxd2 0-0 9. Nc3 Ne4 10. Qc2 Nxc3 11. Qxc3 Be4 12. Rfd1 Qc8 13. Rac1 Qb7 14. b3 Na6 15. Ne1 Bxg2 16. Nxg2 d6 17. a3 Rfd8 18. Nf4 c5 1/2-1/2

[Event "GER-chT Seniors 18th"]
[Site "Finsterbergen"]
[Date "2009.09.16"]
[Round "5"]
[White "Hamm, Georg"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2111"]
[BlackElo "2185"]
[PlyCount "87"]
[EventDate "2009.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. g3 f5 2. Bg2 Nf6 3. c4 e6 4. Nc3 Bb4 5. Qb3 Na6 6. Nf3 0-0 7. 0-0 c6 8. d3 Kh8 9. a3 Be7 10. Qc2 d6 11. d4 d5 12. cxd5 exd5 13. Ne5 Nc7 14. b4 Ne4 15. Na4 Bf6 16. Bb2 Nd6 17. Nc5 Qe8 18. Ncd3 Be6 19. a4 a6 20. Rac1 Rc8 21. e3 g6 22. Ba3 Nc4 23. Nxc4 dxc4 24. Nc5 b5 25. axb5 axb5 26. Nxe6 Qxe6 27. Bb2 Nd5 28. Bc3 Ra8 29. Ra1 Qd6 30. Bxd5 cxd5 31. Qb2 Be7 32. Ra3 Ra4 33. Rxa4 bxa4 34. Ra1 Ra8 35. Ra3 Qa6 36. f3 Qb5 37. e4 fxe4 38. fxe4 Kg8 39. exd5 Rf8 40. Qe2 Bxb4 41. Qe6+ Rf7 42. Bxb4 Qxb4 43. Qe8+ Kg7 44. Qe5+ 1/2-1/2

[Event "GER-chT Seniors 18th"]
[Site "Finsterbergen"]
[Date "2009.09.14"]
[Round "3"]
[White "Tchetchelnitski, Boris"]
[Black "Habermann, Arno"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2185"]
[BlackElo "2126"]
[PlyCount "89"]
[EventDate "2009.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 Nbd7 7. Nc3 Re8 8. e4 e5 9. d5 a6 10. Re1 b6 11. a3 h6 12. b4 Nf8 13. Qc2 Bd7 14. c5 Qc8 15. Bd2 Bh3 16. Bh1 Ng4 17. Rac1 bxc5 18. bxc5 Nd7 19. Na4 Bf8 20. c6 Nc5 21. Nxc5 dxc5 22. Bg2 Bxg2 23. Kxg2 Rb8 24. Rb1 Rb6 25. h3 Nf6 26. Be3 Qb8 27. Nd2 Qa8 28. Nc4 Rb5 29. a4 Rb4 30. Bd2 Rbb8 31. Rxb8 Qxb8 32. Rb1 Qd8 33. Qd3 Kg7 34. Rb7 Bd6 35. Qe3 g5 36. Ba5 Re7 37. Qf3 Ne8 38. Ne3 Nf6 39. Nf5+ Kg6 40. h4 Re8 41. hxg5 hxg5 42. Nxd6 Qxd6 43. Qf5+ Kh6 44. Bxc7 Qe7 45. Ba5 1-0

[Event "GER-chT Seniors 18th"]
[Site "Finsterbergen"]
[Date "2009.09.14"]
[Round "4"]
[White "Tchetchelnitski, Boris"]
[Black "Salov, Sergej"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2185"]
[BlackElo "2255"]
[PlyCount "65"]
[EventDate "2009.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 e5 4. Nc3 g6 5. Bg2 Bg7 6. d3 Nge7 7. Bg5 f6 8. Bd2 d6 9. Qc1 h6 10. 0-0 Be6 11. Ne1 Rb8 12. h3 a6 13. Kh2 b5 14. b3 f5 15. Nd5 Bf7 16. Nxe7 Nxe7 17. e4 Qd7 18. Rb1 Nc6 19. Nc2 Be6 20. Re1 fxe4 21. Bxe4 0-0 22. Rf1 Kh7 23. Qd1 Bf5 24. Qe2 Rbe8 25. f3 Nd4 26. Nxd4 exd4 27. Qg2 Re7 28. Rbe1 Rfe8 29. h4 Bxe4 30. fxe4 Be5 31. Qh3 Qxh3+ 32. Kxh3 Kg7 33. h5 1/2-1/2

[Event "GER-chT Seniors 18th"]
[Site "Finsterbergen"]
[Date "2009.09.13"]
[Round "2"]
[White "Khanukov, Boris"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2379"]
[BlackElo "2185"]
[PlyCount "95"]
[EventDate "2009.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Bb4 6. Rc1 0-0 7. a3 Be7 8. e3 a5 9. Bd3 d5 10. 0-0 h6 11. Bf4 Ne4 12. h3 Nd7 13. Ne5 Nxe5 14. Bxe5 Bd7 15. Ne2 Nd6 16. Qc2 Nf7 17. Bh2 Rc8 18. cxd5 cxd5 19. Bc7 Qe8 20. Qb3 b5 21. Bxa5 Nd6 22. Rxc8 Bxc8 23. Bb4 Bd7 24. Qc3 Qb8 25. b3 Rc8 26. Qb2 Bf6 27. Rc1 Rxc1+ 28. Qxc1 Nf7 29. Qc5 Nd8 30. Nf4 Nf7 31. Nh5 Bg5 32. f4 Bh4 33. g3 g6 34. gxh4 gxh5 35. Qe7 Qd8 36. Be2 Kg7 37. Kf2 Qxe7 38. Bxe7 Nh8 39. Bxh5 Ng6 40. Bd8 Nf8 41. Ke1 Bc6 42. Kd2 Nd7 43. Kc3 Nb8 44. Kb4 Bd7 45. Kc5 Nc6 46. Bc7 b4 47. a4 Na7 48. Kxb4 1-0

[Event "GER-chT Seniors 18th"]
[Site "Finsterbergen"]
[Date "2009.09.12"]
[Round "1"]
[White "Tchetchelnitski, Boris"]
[Black "Malich, Burkhard"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "2185"]
[BlackElo "2355"]
[PlyCount "90"]
[EventDate "2009.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. Qc2 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d4 e6 8. Nbd2 Nbd7 9. b3 b6 10. Bb2 Bb7 11. Rac1 Qb8 12. Qb1 a5 13. Rfd1 Re8 14. e3 Qa7 15. a4 Rac8 16. Qa1 Qb8 17. Ne5 Nxe5 18. dxe5 Nd7 19. f4 Nc5 20. Qb1 Red8 21. Bd4 Bf8 22. Kh1 Ba6 23. e4 dxc4 24. Nxc4 Bxc4 25. Rxc4 Na6 26. Rcc1 Ba3 27. Bb2 Bxb2 28. Qxb2 Rxd1+ 29. Rxd1 Rd8 30. Qe2 Nc5 31. Qc2 Qc7 32. Bf3 Rd7 33. Kg2 Qd8 34. Rxd7 Qxd7 35. Be2 Qd4 36. Kf3 h5 37. Bc4 Kg7 38. Qe2 b5 39. axb5 cxb5 40. Bxb5 Nxb3 41. Qd3 a4 42. Kg2 Qxd3 43. Bxd3 a3 44. Bb1 Nd2 45. Ba2 Nxe4 0-1

[Event "Barcelona Sants op 12th"]
[Site "Barcelona"]
[Date "2009.08.22"]
[Round "2"]
[White "Karlsson, Lars"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2468"]
[BlackElo "2185"]
[PlyCount "34"]
[EventDate "2009.08.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 d6 5. Nf3 Bd7 6. 0-0 Be7 7. d4 exd4 8. Nxd4 Nxd4 9. Bxd7+ Qxd7 10. Qxd4 0-0 11. a4 Qg4 12. Qxg4 Nxg4 13. Nc3 c6 14. Rad1 Rad8 15. Rd2 Nf6 16. Rfd1 Rd7 17. Ne2 Rfd8 1-0

[Event "Oberliga Nord W 0809"]
[Site "Germany"]
[Date "2009.03.29"]
[Round "9.7"]
[White "Margraf, Daniel"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2216"]
[BlackElo "2216"]
[PlyCount "113"]
[EventDate "2008.10.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Delmenhorst"]
[BlackTeam "Bremer SG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nd7 4. d4 Ngf6 5. Ng3 e6 6. Nf3 c5 7. Be2 Be7 8. 0-0 0-0 9. c4 Qc7 10. b3 Rd8 11. Bb2 b6 12. Qc2 cxd4 13. Nxd4 Bb7 14. Nb5 Qf4 15. Rad1 Bc5 16. Qd2 e5 17. Nd6 Bc6 18. Qxf4 exf4 19. Ngf5 f3 20. Bxf3 Bxf3 21. gxf3 Kf8 22. Ne4 Nh5 23. Rd5 g6 24. Rfd1 gxf5 25. Nxc5 bxc5 26. Rxf5 Ng7 27. Rfd5 Ne6 28. Rxd7 Rxd7 29. Rxd7 a5 30. Bc1 a4 31. Be3 axb3 32. axb3 Rb8 33. Rd3 Ke7 34. Kf1 Ra8 35. Ke2 Ra1 36. h4 Rb1 37. Kd2 Rh1 38. Rd5 Rxh4 39. Bxc5+ Kf6 40. Be3 Nf4 41. Bxf4 Rxf4 42. Ke3 Rh4 43. Rd1 Ke7 44. f4 Rh3+ 45. f3 Rh2 46. Rd2 Rh1 47. b4 Rc1 48. Kd4 Kd6 49. Rh2 Rd1+ 50. Ke3 Rb1 51. Rh6+ Ke7 52. b5 Rc1 53. Kd4 Rf1 54. Rh3 h5 55. Kc5 Kd7 56. Rxh5 Rxf3 57. Rd5+ 1-0

[Event "Wch Seniors 18th"]
[Site "Bad Zwischenahn"]
[Date "2008.11.04"]
[Round "8"]
[White "Tchetchelnitski, Boris"]
[Black "Andersson, Kaj Ake"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2216"]
[BlackElo "2115"]
[PlyCount "83"]
[EventDate "2008.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. Qc2 Nf6 4. g3 Nbd7 5. d4 e6 6. Bg2 Be7 7. 0-0 0-0 8. Nbd2 b5 9. c5 Re8 10. e4 dxe4 11. Nxe4 Nd5 12. Bg5 f6 13. Bd2 e5 14. Nc3 Bb7 15. Rfe1 exd4 16. Nxd5 cxd5 17. b4 Ne5 18. Nxd4 a6 19. Rad1 Qd7 20. Bc3 Rac8 21. f4 Nc4 22. Qf5 Qxf5 23. Nxf5 Bf8 24. Rxe8 Rxe8 25. Bxd5+ Bxd5 26. Rxd5 Kf7 27. Rd3 Re2 28. a3 Ke8 29. Nd4 Ra2 30. Be1 Nxa3 31. c6 Bd6 32. Nf5 Bc7 33. Nxg7+ Kf7 34. Rd7+ Kg6 35. Rxc7 Nc2 36. Bd2 Nd4 37. f5+ Nxf5 38. Nxf5 Rxd2 39. g4 Kg5 40. Rd7 Rc2 41. c7 h5 42. Ne7 1-0

[Event "GER-chT Seniors 17th"]
[Site "Berlin"]
[Date "2008.09.06"]
[Round "7"]
[White "Tchetchelnitski, Boris"]
[Black "Micheel, Peter"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "2204"]
[BlackElo "1956"]
[PlyCount "83"]
[EventDate "2008.08.31"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Bg7 6. Nc3 0-0 7. 0-0 c6 8. d4 Nd7 9. e4 Nxc3 10. bxc3 Nb6 11. a4 Nc4 12. Qe2 Na5 13. Rb1 c5 14. Be3 Bd7 15. Qa2 Qc7 16. Bf4 Qc6 17. Rb5 Qa6 18. Rxc5 Rac8 19. Rxc8 Rxc8 20. Rc1 Nc4 21. Ra1 Qa5 22. Qb3 b5 23. Bf1 bxa4 24. Qb7 Nb6 25. Ra3 Bc6 26. Qa6 Qxa6 27. Bxa6 Re8 28. d5 Bd7 29. Be5 Bg4 30. Bxg7 Bxf3 31. Bd4 Bxe4 32. c4 Ra8 33. Bc5 e6 34. f3 Bc2 35. Rc3 Bb1 36. d6 Nd7 37. Ba3 Rb8 38. c5 Bf5 39. c6 Rb1+ 40. Kf2 Nb6 41. d7 Nxd7 42. cxd7 1-0

[Event "GER-chT Seniors 17th"]
[Site "Berlin"]
[Date "2008.09.05"]
[Round "6"]
[White "Tchetchelnitski, Boris"]
[Black "Krueger, Erich"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2204"]
[BlackElo "2196"]
[PlyCount "87"]
[EventDate "2008.08.31"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 c6 7. d4 Qa5 8. h3 Be6 9. Qd3 Qa6 10. b3 d5 11. Ne5 Rd8 12. c5 Qxd3 13. Nxd3 Ne4 14. Nxe4 dxe4 15. Nf4 Bxd4 16. Nxe6 fxe6 17. Rb1 Bxc5 18. b4 Bb6 19. Bxe4 Nd7 20. Bg5 Nf6 21. Bf3 Rd7 22. a4 a6 23. Rfc1 Kg7 24. Bf4 Bd4 25. b5 cxb5 26. axb5 Nd5 27. bxa6 Rxa6 28. e3 Bf6 29. Rd1 g5 30. Bb8 Ra8 31. e4 Rxb8 32. exd5 exd5 33. Rxd5 Rxd5 34. Bxd5 b5 35. Rb4 Bc3 36. Re4 e5 37. f4 gxf4 38. gxf4 Kf6 39. fxe5+ Bxe5 40. Kf1 b4 41. Bb3 Rb7 42. Ke2 Bc3 43. Rf4+ Kg5 44. Rf7 1/2-1/2

[Event "GER-chT Seniors 17th"]
[Site "Berlin"]
[Date "2008.09.04"]
[Round "5"]
[White "Niebuhr, Gerd"]
[Black "Tchetchelnitski, Boris"]
[Result "1/2-1/2"]
[ECO "A99"]
[WhiteElo "2062"]
[BlackElo "2204"]
[PlyCount "101"]
[EventDate "2008.08.31"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. b3 a5 8. Bb2 Qe8 9. Nc3 Na6 10. a3 Bd8 11. Qc2 d5 12. Ne5 c6 13. e3 Bc7 14. Nd3 Bd7 15. f3 Rb8 16. e4 fxe4 17. fxe4 Qh5 18. Bf3 Qg6 19. Ne5 Bxe5 20. dxe5 Ng4 21. Bxg4 Qxg4 22. Qe2 Qxe2 23. Nxe2 dxc4 24. bxc4 Nc5 25. Rad1 Rxf1+ 26. Kxf1 Rf8+ 27. Ke1 Rf3 28. Bd4 Nxe4 29. Bb6 Be8 30. Bxa5 Bh5 31. Rd8+ Kf7 32. Rd7+ Ke8 33. Rxb7 Rxa3 34. Rb8+ Kf7 35. Rb7+ Kg6 36. Nf4+ Kh6 37. Nxh5 Rxa5 38. Nxg7 Rxe5 39. Kd1 Nd6 40. Re7 Nxc4 41. Nxe6 Ne3+ 42. Kd2 Nf1+ 43. Kd3 Nxh2 44. Re8 Ng4 45. Nc7 Rxe8 46. Nxe8 Kg6 47. Kd4 Kf7 48. Nd6+ Ke6 49. Ne4 Nf6 50. Ng5+ Kf5 51. Nxh7 1/2-1/2

[Event "GER-chT Seniors 17th"]
[Site "Berlin"]
[Date "2008.09.03"]
[Round "4"]
[White "Tchetchelnitski, Boris"]
[Black "Pusch, Hermann"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2204"]
[BlackElo "2137"]
[PlyCount "128"]
[EventDate "2008.08.31"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. c4 e5 4. Nc3 Be7 5. Bg2 0-0 6. d4 exd4 7. Nxd4 c6 8. 0-0 Nbd7 9. Nf5 Ne5 10. Nxe7+ Qxe7 11. b3 Bf5 12. e4 Bg4 13. f3 Bc8 14. Ba3 Rd8 15. Qd2 Qc7 16. Rad1 Ne8 17. Ne2 b5 18. f4 Ng6 19. cxb5 Qb6+ 20. Kh1 cxb5 21. Nc3 Bb7 22. Nd5 Bxd5 23. Qxd5 Rac8 24. Qd2 a5 25. Bb2 b4 26. Bh3 Rc6 27. Be5 Qc7 28. Rc1 Rxc1 29. Rxc1 Qe7 30. Bg2 h5 31. Qd5 Nf6 32. Qd4 h4 33. Bf3 Qd7 34. Kg2 Rc8 35. Rc4 hxg3 36. hxg3 Rxc4 37. Qxc4 Ne8 38. Bd4 Ne7 39. Bb6 d5 40. exd5 Nf6 41. Qc7 Qxc7 42. Bxc7 Nexd5 43. Bxa5 Kf8 44. Kf2 Ke7 45. g4 Nxf4 46. Bxb4+ Ke6 47. Bd2 Nd3+ 48. Ke2 Ne5 49. g5 Nd5 50. Bg2 f6 51. gxf6 gxf6 52. a4 Nc6 53. Kd3 Kd6 54. Kc4 Ne5+ 55. Kb5 Nc7+ 56. Kb4 f5 57. Kc3 Nd5+ 58. Kc2 Kc5 59. a5 Nc6 60. Kd3 Ndb4+ 61. Bxb4+ Nxb4+ 62. Kc3 Kb5 63. Kd4 Kxa5 64. Kc4 Nc2 1/2-1/2

[Event "GER-chT Seniors 17th"]
[Site "Berlin"]
[Date "2008.09.02"]
[Round "3"]
[White "Badestein, Hartmut"]
[Black "Tchetchelnitski, Boris"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2199"]
[BlackElo "2204"]
[PlyCount "79"]
[EventDate "2008.08.31"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nc6 4. Nf3 Bf5 5. c4 Qd6 6. Be2 0-0-0 7. Be3 e5 8. d5 Nb4 9. Na3 a6 10. 0-0 Nf6 11. Qb3 Qe7 12. Rfd1 Qe8 13. d6 Nc6 14. dxc7 Rxd1+ 15. Rxd1 Nd7 16. c5 Be6 17. Qc3 f5 18. b4 f4 19. Bc1 e4 20. Nd4 f3 21. Nxc6 fxe2 22. Na7+ Kxc7 23. Bf4+ Kd8 24. Re1 Qh5 25. c6 bxc6 26. Nxc6+ Ke8 27. Nd4 Kf7 28. Nxe6 Kxe6 29. Qc6+ Kf7 30. Qxd7+ Be7 31. g4 Qh3 32. Nc4 Rd8 33. Nd6+ Kf8 34. Qf5+ Bf6 35. Rxe2 h5 36. g5 Qxf5 37. Nxf5 Bc3 38. Rxe4 Rd1+ 39. Kg2 Rb1 40. g6 1-0

