[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.06"]
[Round "9"]
[White "Berg, Gerd"]
[Black "Kos, Ivan"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1423"]
[BlackElo "1523"]
[PlyCount "43"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 e5 4. e4 Nf6 5. d3 Be7 6. Be2 d6 7. h3 Bd7 8. a3 Nd4 9. Rb1 Rb8 10. Nxd4 cxd4 11. Na2 b5 12. cxb5 Bxb5 13. f4 0-0 14. f5 d5 15. Bg5 dxe4 16. dxe4 Nxe4 17. f6 Bxf6 18. b4 Bxe2 19. Qxe2 Ng3 20. Qg4 Nxh1 21. h4 Bxg5 22. Qxg5 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.05"]
[Round "8"]
[White "Kos, Ivan"]
[Black "Mueller, Erhard"]
[Result "0-1"]
[ECO "C21"]
[WhiteElo "1523"]
[BlackElo "1632"]
[PlyCount "102"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. f4 Bb4+ 4. Bd2 Bxd2+ 5. Nxd2 d6 6. Bd3 Nf6 7. Ngf3 c5 8. b3 Ng4 9. Nf1 0-0 10. Qd2 Nc6 11. h3 Nf6 12. Qf2 Nb4 13. N1d2 Re8 14. 0-0 Nxd3 15. cxd3 b5 16. e5 Nd5 17. Ne4 Ne3 18. Rfe1 dxe5 19. Nxe5 Qb6 20. Rac1 Bb7 21. Nd7 Qg6 22. Ndxc5 Bd5 23. g3 h6 24. Ra1 Rec8 25. Rec1 Re8 26. a4 b4 27. a5 f5 28. Nd2 Qh5 29. Qh2 Re7 30. g4 fxg4 31. Nde4 gxh3 32. Qg3 Qg4 33. Kh2 Rf7 34. Qxg4 Nxg4+ 35. Kxh3 Rxf4 36. Rg1 Nf2+ 37. Nxf2 Rxf2 38. Rg3 Rc8 39. Ne4 Bxe4 40. dxe4 Rc3 41. Rd1 Rb2 42. Rxd4 Rxg3+ 43. Kxg3 Rxb3+ 44. Kf4 Rb1 45. Ke5 b3 46. Ke6 b2 47. Rb4 h5 48. Ke7 h4 49. e5 h3 50. e6 h2 51. Rb8+ Kh7 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.04"]
[Round "7"]
[White "Toth, Hans Juergen"]
[Black "Kos, Ivan"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1385"]
[BlackElo "1523"]
[PlyCount "114"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. e3 c5 4. b3 Nc6 5. Bb5 Qc7 6. Bb2 Bd7 7. 0-0 a6 8. Bxc6 Qxc6 9. Ne5 Qc8 10. d3 b5 11. Nd2 Bg4 12. Qe1 h5 13. Ndf3 Bxf3 14. Rxf3 Qc7 15. Qf2 Rd8 16. Rg3 Rh7 17. Nf3 c4 18. Bxf6 exf6 19. d4 cxb3 20. axb3 a5 21. Qe2 Bb4 22. Ne1 Qc3 23. Rd1 Qc6 24. Nd3 Bc3 25. Nc5 g6 26. Rf3 Bb4 27. Nd3 Be7 28. Rff1 Rh8 29. Ra1 Ra8 30. Ra2 Kf8 31. Rfa1 a4 32. Qd2 Kg7 33. Nb4 Qd7 34. bxa4 Rxa4 35. Rxa4 bxa4 36. c3 Rc8 37. Qc2 Ra8 38. Qa2 Ra5 39. Nd3 Qb5 40. Qc2 a3 41. Nc1 Qb2 42. Qb1 Qxc3 43. Kf2 f5 44. Ne2 Qc4 45. Qa2 Qa6 46. Nc3 Bh4+ 47. g3 Be7 48. Nxd5 Rb5 49. Rb1 Rxb1 50. Qxb1 Bf8 51. Qa2 Qb5 52. Nc3 Qb4 53. Nd5 Qa5 54. Ke2 Bb4 55. Nxb4 Qxb4 56. Kd1 Qc3 57. Qd2 Qxd2+ 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.03"]
[Round "6"]
[White "Kos, Ivan"]
[Black "Grunow, Werner"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1523"]
[BlackElo "1775"]
[PlyCount "116"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. e4 Nxe4 3. Nf3 d5 4. Bd3 Nf6 5. 0-0 Bg4 6. Re1 e6 7. Be3 Nbd7 8. Nbd2 a6 9. c4 c6 10. Qc2 Bb4 11. Ne5 Nxe5 12. dxe5 Nd7 13. f4 Nc5 14. Bxc5 Bxc5+ 15. Kh1 Bb4 16. c5 g6 17. Qc1 Qe7 18. Nb3 Bxe1 19. Qxe1 0-0 20. Rc1 Bf5 21. Bf1 Qc7 22. Nd4 Be4 23. b4 Rfc8 24. a4 a5 25. b5 Qe7 26. b6 f6 27. Qh4 Rab8 28. exf6 Qf7 29. Kg1 Rf8 30. g3 Qxf6 31. Qxf6 Rxf6 32. Bh3 Re8 33. Nb3 Ra8 34. Nd4 Kf7 35. Re1 h5 36. Bg2 Bxg2 37. Kxg2 Ke7 38. Re5 Kd7 39. Kf3 Rg8 40. Ke3 h4 41. Nb3 hxg3 42. hxg3 Rf5 43. Kd4 g5 44. Rxf5 exf5 45. Ke5 gxf4 46. gxf4 Rf8 47. Nd4 Re8+ 48. Kxf5 Re4 49. Nf3 Rxa4 50. Ne5+ Ke7 51. Ng6+ Ke8 52. Ke6 Re4+ 53. Kd6 Kd8 54. Nf8 d4 55. f5 d3 56. f6 d2 57. Ne6+ Rxe6+ 58. Kxe6 Ke8 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.02"]
[Round "5"]
[White "Meinicke, Kurt"]
[Black "Kos, Ivan"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1269"]
[BlackElo "1523"]
[PlyCount "78"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nf6 5. Bf4 Nxe4 6. Bd3 Nf6 7. Nf3 c6 8. 0-0 Nbd7 9. Qc2 e6 10. Nbd2 Nd5 11. Bg5 N7f6 12. Bxf6 Qxf6 13. Ne4 Qd8 14. Neg5 Nb4 15. Qe2 Nxd3 16. Qxd3 h6 17. Ne4 Be7 18. Rad1 a6 19. Ne5 0-0 20. f4 g6 21. Rf3 Kg7 22. Rh3 Rh8 23. Qg3 c5 24. Rh5 Qd5 25. Nc3 Qd8 26. Rd3 cxd4 27. Qg4 Qb6 28. Nd1 Bf6 29. h4 Qa7 30. Nxg6 fxg6 31. Rg3 Kf7 32. Qxg6+ Ke7 33. Rxh6 Rxh6 34. Qxh6 Bd7 35. Qh7+ Kd6 36. Qf7 Be7 37. Rg7 Re8 38. Kh2 b5 39. h5 Bc6 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.01"]
[Round "4"]
[White "Kos, Ivan"]
[Black "Prix, Siegfried"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1523"]
[BlackElo "1637"]
[PlyCount "120"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 6. Be3 0-0 7. h3 Na5 8. Bb3 c6 9. Ne2 Nxb3 10. axb3 a6 11. c4 Be6 12. Qc2 Qc7 13. Nc3 d5 14. Bd2 Rac8 15. 0-0 d4 16. Na4 c5 17. Bg5 h6 18. Bh4 Rce8 19. Bg3 Bd6 20. b4 Nd7 21. b3 cxb4 22. Nb2 Nc5 23. Qd1 f5 24. exf5 Bxf5 25. Kh1 Qc6 26. Ng1 Ne6 27. f3 Nf4 28. Ra2 Rf6 29. Bxf4 exf4 30. Ra5 Bc7 31. Ra2 Re3 32. Qd2 a5 33. Re1 Rfe6 34. Rxe3 fxe3 35. Qe2 Qd6 36. g4 Bh7 37. Qg2 Rf6 38. Qe2 Qg3 39. c5 Rc6 40. Na4 Bg6 41. Qd1 Qe5 42. Rg2 Bf7 43. Ne2 Bd5 44. Ng3 Re6 45. Ne4 Qf4 46. Kg1 Re8 47. Nb2 Rf8 48. Rg3 Qf7 49. Nd6 Qf4 50. Kg2 b6 51. Nf5 Qe5 52. cxb6 Bxb6 53. Nc4 Bxc4 54. bxc4 Bc7 55. Qe1 Rxf5 56. gxf5 Qxg3+ 57. Qxg3 Bxg3 58. Kxg3 b3 59. c5 b2 60. c6 b1Q 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.31"]
[Round "3"]
[White "Kos, Ivan"]
[Black "Barnack, Gerd"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1523"]
[BlackElo "1806"]
[PlyCount "84"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Bd3 Bg7 4. c3 Nf6 5. Nf3 0-0 6. Nbd2 Nc6 7. Nc4 Nxe4 8. d5 Nc5 9. dxc6 Nxd3+ 10. Qxd3 bxc6 11. Na5 c5 12. 0-0 c6 13. Nxc6 Qc7 14. Qe4 Be6 15. Ng5 d5 16. Qh4 h6 17. Nxe6 fxe6 18. Nxe7+ Kh7 19. Nxg6 Kxg6 20. Re1 e5 21. Re3 Qd6 22. Rh3 Kh7 23. Qa4 Rf7 24. Bg5 Raf8 25. Bh4 Rf4 26. Qc2+ Kg8 27. Bg3 R4f5 28. a4 Qg6 29. f3 e4 30. fxe4 dxe4 31. Qb3+ Kh7 32. Qc4 e3 33. Re1 Rf2 34. Kh1 Rxb2 35. Qxc5 Qc2 36. Rg1 e2 37. Be1 Rf1 38. Rf3 Qe4 39. Qe3 Qg6 40. Qd3 Qxd3 41. Rxd3 Rb1 42. g3 Rbxe1 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.30"]
[Round "2"]
[White "Krempelsetzer, Klaus"]
[Black "Kos, Ivan"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1734"]
[BlackElo "1523"]
[PlyCount "84"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. g3 c5 4. dxc5 Qa5+ 5. Bd2 Qxc5 6. Bg2 e5 7. c3 Qc7 8. 0-0 Nc6 9. Bg5 Be7 10. Bxf6 gxf6 11. e4 Be6 12. Qc2 Rd8 13. Nh4 0-0 14. Nd2 Kh8 15. Kh1 Rg8 16. f4 b6 17. f5 Bc8 18. Qb3 Rdf8 19. Rf2 Rg7 20. Nc4 Rfg8 21. Rd1 Ba6 22. Ne3 Na5 23. Nd5 Qb7 24. Qa4 Bd8 25. Qc2 Bc4 26. b3 Bxd5 27. Rxd5 Qe7 28. Rfd2 Bc7 29. Bf1 Qf8 30. Bb5 Rg4 31. Rg2 Qh6 32. Rdd2 Nb7 33. Bc6 Nd8 34. Bd5 Qe3 35. Rde2 Qh6 36. Qd3 b5 37. c4 Bb6 38. h3 Qc1+ 39. Kh2 Rxh4 40. gxh4 Bg1+ 41. Kh1 Be3+ 42. Kh2 Bf4+ 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.29"]
[Round "1"]
[White "Oppermann, Peter"]
[Black "Kos, Ivan"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1835"]
[BlackElo "1523"]
[PlyCount "57"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Bd3 h6 5. 0-0 Nbd7 6. Nbd2 Qc7 7. b3 e6 8. Bb2 Be7 9. Ne5 0-0 10. f4 Nh7 11. Qf3 Ndf6 12. g4 Bd6 13. Qg2 Kh8 14. h4 Bxe5 15. fxe5 Ne8 16. g5 hxg5 17. hxg5 g6 18. Rf3 Qe7 19. Rh3 Ng7 20. a4 b6 21. Ba3 c5 22. dxc5 bxc5 23. Kf2 Kg8 24. Rah1 Nh5 25. Rxh5 gxh5 26. Rxh5 f6 27. gxf6+ Kh8 28. Rxh7+ Qxh7 29. Bxh7 1-0

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.29"]
[Round "9"]
[White "Stiemerling, Karl Heinz"]
[Black "Kos, Ivan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1395"]
[BlackElo "1403"]
[PlyCount "94"]
[EventDate "2008.02.21"]
[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 d5 2. Nf3 Nf6 3. Bf4 e6 4. h3 c5 5. c3 cxd4 6. Nxd4 Bd6 7. Bxd6 Qxd6 8. Nd2 a6 9. e3 e5 10. N4f3 e4 11. Nd4 0-0 12. Be2 Nc6 13. Rc1 Ne5 14. c4 dxc4 15. Nxc4 Nxc4 16. Bxc4 Qb4+ 17. Qd2 Qxd2+ 18. Kxd2 Rd8 19. Ke2 b5 20. Bb3 Ne8 21. Rc5 Bb7 22. Rhc1 Rdc8 23. Nc6 Rc7 24. Ne5 Rxc5 25. Bxf7+ Kf8 26. Nd7+ Kxf7 27. Rxc5 Rc8 28. Rxc8 Bxc8 29. Nc5 Nd6 30. b3 Kf6 31. Kd2 Ke5 32. Kc3 Kd5 33. b4 a5 34. a3 a4 35. h4 Nc4 36. f3 exf3 37. e4+ Ke5 38. gxf3 Nxa3 39. Nd3+ Kd6 40. Kd4 Nc2+ 41. Kc3 Ne3 42. f4 h5 43. e5+ Kc6 44. Kd4 Nc4 45. Nc5 g6 46. Nxa4 bxa4 47. Kxc4 Be6+ 0-1

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.28"]
[Round "8"]
[White "Kos, Ivan"]
[Black "Engelhardt, Erhard"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1403"]
[BlackElo "1603"]
[PlyCount "86"]
[EventDate "2008.02.21"]
[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. Nf3 b6 3. Bf4 Bb7 4. e3 Nf6 5. Bd3 Bb4+ 6. c3 Be7 7. Nbd2 0-0 8. Qc2 h6 9. 0-0 d6 10. Be2 c5 11. Rac1 Nbd7 12. a3 Rc8 13. Qd1 Re8 14. Bg3 a6 15. Bd3 Nf8 16. h3 Nh5 17. Qe2 b5 18. Ne1 Nxg3 19. fxg3 c4 20. Be4 Bxe4 21. Nxe4 f5 22. Nd2 d5 23. Kh1 Bd6 24. Rf3 Qc7 25. Nf1 Nh7 26. h4 Nf6 27. Kh2 Re7 28. Kh3 g5 29. Rf2 Ne4 30. g4 Nxf2+ 31. Qxf2 fxg4+ 32. Kxg4 h5+ 33. Kxh5 Rh7+ 34. Kg4 Rxh4+ 35. Qxh4 gxh4 36. Nf3 Qg7+ 37. Kh3 Bg3 38. N1h2 Bxh2 39. Kxh2 Qg3+ 40. Kh1 Rf8 41. Nh2 Rf2 42. Rg1 h3 43. gxh3 Rxh2# 0-1

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.27"]
[Round "7"]
[White "Schroeder, Wolfgang1111"]
[Black "Kos, Ivan"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1609"]
[BlackElo "1403"]
[PlyCount "87"]
[EventDate "2008.02.21"]
[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 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Bf5 5. Nf3 Nbd7 6. cxd5 cxd5 7. Qb3 Nb6 8. Bb5+ Bd7 9. 0-0 e6 10. Ne5 Bd6 11. Nxd7 Nfxd7 12. e4 dxe4 13. Bxd7+ Qxd7 14. Nxe4 Bxh2+ 15. Kxh2 Qxd4 16. Qb5+ Kf8 17. Qc5+ Qxc5 18. Nxc5 h5 19. Rd1 Nd5 20. Nxb7 h4 21. b3 f6 22. Ba3+ Kf7 23. Nd6+ Kg6 24. Rac1 Nf4 25. Rc4 e5 26. Bc1 Ne6 27. Rg4+ Kh5 28. Rc4 g5 29. Ne4 Rhf8 30. Rc6 Rae8 31. Rdd6 Nd4 32. Rxd4 exd4 33. Nxf6+ Rxf6 34. Rxf6 Re5 35. Rd6 Re1 36. Bb2 Re2 37. Bxd4 Rxa2 38. f3 Rd2 39. b4 a6 40. Be5 Rxd6 41. Bxd6 g4 42. f4 Kg6 43. Be7 Kh5 44. f5 1-0

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.26"]
[Round "6"]
[White "Kos, Ivan"]
[Black "Bauer, Stefan"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1403"]
[BlackElo "1521"]
[PlyCount "99"]
[EventDate "2008.02.21"]
[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 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 a6 5. Bd3 b5 6. c3 Bb7 7. Nbd2 c4 8. Bc2 Nc6 9. Ne4 Nh5 10. Bg3 Nxg3 11. fxg3 d5 12. Neg5 h6 13. Nh3 Bd6 14. 0-0 g5 15. Nf2 f5 16. g4 fxg4 17. Nxg4 Qe7 18. Bg6+ Kd8 19. Bh5 Qg7 20. Qe2 Ne7 21. Nfe5 Nf5 22. Rf2 Kc7 23. Raf1 Raf8 24. Ng6 Qf7 25. N4e5 Qg7 26. g4 Bxe5 27. dxe5 Bc8 28. e4 dxe4 29. Qxe4 Bb7 30. Qe2 Rd8 31. gxf5 exf5 32. Nxh8 Be4 33. Nf7 Rd3 34. Nd6 Qxe5 35. Nxe4 fxe4 36. Rf5 Qe6 37. Bg4 Qb6+ 38. Qf2 Qxf2+ 39. R1xf2 e3 40. Re2 Kb6 41. Re5 Rd1+ 42. Kg2 Ra1 43. a3 Ka5 44. Re6 Rb1 45. Rxh6 Ka4 46. Rxa6+ Kb3 47. Rb6 Ka4 48. Bd7 Ka5 49. Rxb5+ Ka6 50. Rxg5 1-0

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.25"]
[Round "5"]
[White "Wagner, Klaus Dieter"]
[Black "Kos, Ivan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1611"]
[BlackElo "1403"]
[PlyCount "173"]
[EventDate "2008.02.21"]
[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. Nf3 d5 3. Bf4 b6 4. e3 Bb7 5. Bd3 Nd7 6. 0-0 Be7 7. Nbd2 c6 8. Ne5 Ngf6 9. h3 Nf8 10. c3 Ng6 11. Bg3 Bd6 12. Ndf3 Qe7 13. Qc2 Bxe5 14. Nxe5 Nd7 15. f4 f5 16. Be2 Nf6 17. b4 Ne4 18. Be1 Nxe5 19. dxe5 b5 20. Bd3 a6 21. a3 g6 22. Bxe4 fxe4 23. Qe2 Kd7 24. Qg4 h5 25. Qh4 Qg7 26. Qg5 Raf8 27. Bh4 Rf5 28. Qg3 Rg8 29. Bg5 Rff8 30. Qe1 Qf7 31. Qd2 Kc8 32. Qd4 Qc7 33. Qc5 Rf7 34. Rfd1 Rd7 35. Bf6 Kb8 36. Ra2 Rc8 37. Rad2 a5 38. Ra2 Ba8 39. Rb1 a4 40. Rd2 Kb7 41. Kf2 Rf7 42. Bg5 Qxe5 43. Kg1 Qc7 44. Qd4 Rf5 45. Bf6 Rf8 46. Be5 Qd7 47. h4 Qh7 48. g3 R5f7 49. Qc5 Kc8 50. Qd6 Kb7 51. Qxe6 Rc8 52. Qd6 Rd7 53. Qc5 Rdd8 54. Bd4 Kc7 55. Qa7+ Bb7 56. Be5+ Rd6 57. Rxd5 cxd5 58. Qc5+ Bc6 59. Qxd6+ Kb7 60. Rd1 Qg8 61. Qe7+ Ka8 62. Bd4 Bb7 63. Bc5 Re8 64. Qd7 Rd8 65. Qxb5 Kb8 66. Qxa4 Qe6 67. Kg2 Qg4 68. Rf1 Rd7 69. Qa7+ Kc8 70. Bd4 Kd8 71. Qb8+ Bc8 72. Bf6+ Re7 73. Qd6+ Bd7 74. Qxe7+ Kc8 75. Qc5+ Kb7 76. Qxd5+ Kc7 77. Qg5 Qh3+ 78. Kf2 Bf5 79. Rg1 Kc6 80. Bd4 Kb5 81. Qd8 Ka4 82. Qa8+ Kb3 83. Qd5+ Ka4 84. b5 Qh2+ 85. Rg2 Qh1 86. Qc4+ Ka5 87. Qb4# 1-0

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.24"]
[Round "4"]
[White "Kos, Ivan"]
[Black "Pueschel, Gisela"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1403"]
[BlackElo "1138"]
[PlyCount "79"]
[EventDate "2008.02.21"]
[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. Nf3 Nf6 3. Bf4 d5 4. Nbd2 Bd7 5. e3 c5 6. c3 Bc6 7. Bd3 Bd6 8. Bg3 0-0 9. Bh4 Nbd7 10. Qc2 Qc7 11. Ng5 g6 12. h3 Nh5 13. Be2 Ng7 14. f4 Bxf4 15. exf4 Qxf4 16. Ngf3 Nf5 17. Bf2 Ng3 18. Rg1 c4 19. Nf1 Nxe2 20. Qxe2 Nf6 21. Be3 Qe4 22. 0-0-0 Nh5 23. g4 Nf4 24. Qf2 Nd3+ 25. Rxd3 cxd3 26. N1d2 f6 27. Nxe4 dxe4 28. Nd2 f5 29. Bh6 Rf7 30. g5 f4 31. Nc4 Rf5 32. Rg4 e3 33. Qf1 e2 34. Qf2 Rd8 35. Kd2 Be4 36. Rxf4 Rdd5 37. Ne3 Rxf4 38. Qxf4 Rf5 39. Qb8+ Kf7 40. Qf8# 1-0

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.23"]
[Round "3"]
[White "Schulz, Manfred"]
[Black "Kos, Ivan"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1552"]
[BlackElo "1403"]
[PlyCount "166"]
[EventDate "2008.02.21"]
[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 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 b6 5. Qe2 Bb7 6. b3 Nbd7 7. Bb2 Be7 8. Nbd2 0-0 9. 0-0 c5 10. c4 Rc8 11. Rac1 h6 12. Rfe1 Re8 13. Ne5 Nxe5 14. dxe5 Nd7 15. Nf3 Nf8 16. Red1 Qc7 17. b4 Qb8 18. bxc5 Bxc5 19. cxd5 Bxd5 20. Bb5 Red8 21. a4 Qa8 22. Ba6 Bb7 23. Bxb7 Qxb7 24. Nd4 Qe7 25. Nb5 Rxd1+ 26. Rxd1 Ra8 27. Qf3 Re8 28. Rd3 a6 29. Nc3 Ng6 30. Ne4 Bb4 31. Qd1 Rf8 32. Rd7 Qh4 33. Ng3 a5 34. Bd4 Rb8 35. Qc2 Rd8 36. Rxd8+ Qxd8 37. Qc6 Bc5 38. Bxc5 Qd1+ 39. Nf1 bxc5 40. Qb5 Nf8 41. Qxa5 c4 42. Qb4 Qd3 43. a5 c3 44. a6 c2 45. Qb2 Qd1 46. a7 Qb1 47. Qxb1 cxb1Q 48. a8Q Qd1 49. g3 g6 50. Kg2 Kg7 51. Qf3 Qd7 52. g4 Nh7 53. h4 f5 54. exf6+ Nxf6 55. Nh2 e5 56. g5 Nh5 57. gxh6+ Kxh6 58. Ng4+ Kg7 59. Nxe5 Qf5 60. Qxf5 gxf5 61. Kf3 Kf6 62. Nd3 Ng7 63. e4 fxe4+ 64. Kxe4 Nf5 65. h5 Ne7 66. Nf4 Kg5 67. Ke5 Ng8 68. f3 Kh6 69. Ke6 Kg7 70. Kf5 Nh6+ 71. Kg5 Nf7+ 72. Kh4 Kf6 73. Nh3 Nh6 74. Kg3 Nf5+ 75. Kf4 Nd4 76. Ke4 Ne6 77. f4 Kg7 78. Ke5 Nf8 79. f5 Nh7 80. Nf4 Kf7 81. h6 Nf6 82. Ng6 Ng4+ 83. Kf4 Nxh6 1/2-1/2

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.22"]
[Round "2"]
[White "Kos, Ivan"]
[Black "Prix, Siegfried"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1403"]
[BlackElo "1693"]
[PlyCount "88"]
[EventDate "2008.02.21"]
[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 d5 2. e4 dxe4 3. f3 exf3 4. Nxf3 Nf6 5. Bd3 Nc6 6. c3 Bg4 7. Be3 e5 8. Nbd2 Bxf3 9. Qxf3 exd4 10. cxd4 Qd5 11. 0-0 0-0-0 12. Qh3+ Kb8 13. Bc4 Qd7 14. Qh4 Nxd4 15. Rad1 Nf5 16. Rxf5 Qxf5 17. Rf1 Qc2 18. Bb3 Qxb2 19. Qa4 Qa3 20. Qh4 Bc5 21. Nc4 Bxe3+ 22. Nxe3 Qc5 23. Qf2 Rhe8 24. Ng4 Qxf2+ 25. Nxf2 Re7 26. Nh3 Rd2 27. Kh1 Ree2 28. Rg1 Ng4 29. Bxf7 Ne3 30. Bh5 Rxg2 31. Rxg2 Rxg2 32. Bf7 Rc2 33. Bb3 Rc1+ 34. Ng1 c5 35. h4 c4 36. Ba4 Ra1 37. Bd7 c3 38. Be6 c2 39. Kh2 Rxg1 40. Kxg1 c1Q+ 41. Kf2 Nf5 42. Bxf5 Qf4+ 43. Ke2 Qxf5 44. Ke3 g5 0-1

[Event "Berlin-ch Seniors op 24th"]
[Site "Berlin"]
[Date "2008.02.21"]
[Round "1"]
[White "Fischer, Semen"]
[Black "Kos, Ivan"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1717"]
[BlackElo "1403"]
[PlyCount "89"]
[EventDate "2008.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nc3 Nf6 2. d4 e6 3. e4 Bb4 4. Bg5 Be7 5. Qd2 b6 6. Bd3 Bb7 7. f3 d5 8. Nge2 Nbd7 9. 0-0 h6 10. Bf4 g5 11. Bg3 Nh5 12. Bf2 c6 13. g4 Ng7 14. e5 Qc7 15. Bg3 0-0-0 16. f4 Rdf8 17. f5 Bb4 18. a3 Bxc3 19. bxc3 Qd8 20. c4 Nb8 21. a4 Ne8 22. a5 h5 23. axb6 axb6 24. fxe6 fxe6 25. gxh5 Rxf1+ 26. Rxf1 Qe7 27. Bg6 Nd7 28. Rf7 Qd8 29. Qb4 c5 30. dxc5 bxc5 31. Qb3 d4 32. Qd3 Qa5 33. Be4 Qa1+ 34. Rf1 Qa8 35. Bxb7+ Qxb7 36. c3 Qb3 37. Rb1 Qa3 38. Qc2 Rxh5 39. cxd4 Qe3+ 40. Kg2 g4 41. Rb3 Qh6 42. Qe4 Rf5 43. Qa8+ Kc7 44. Rb7+ Kc6 45. Qc8+ 1-0

