[Event "Cheliabinsk Region-ch"]
[White "Tretjachenko, Leonid"]
[Black "Sofyin, Pavel"]
[Site "Cheliabinsk"]
[Round "8"]
[Result "0-1"]
[Date "2012.02.25"]
[ECO "A21"]
[WhiteElo "1900"]
[BlackElo "1988"]
[PlyCount "44"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. b4 Bd4 5. Rb1 c6 6. e3 cxd5 7. exd4 exd4 8. cxd5 d6 9. Nf3 Bf5 10. d3 Qb6 11. Qb3 Na6 12. Bd2 Nf6 13. Be2 0-0 14. a4 Rfe8 15. a5 Qb5 16. Nxd4 Qxd3 17. 0-0 Qe4 18. Be3 Qe5 19. Rbe1 Rac8 20. Bc4 Ng4 21. g3 Nxe3 22. Qxe3 Qxe3 0-1

[Event "Cheliabinsk Region-ch"]
[White "Kaliev, Konstantin Arkadiev"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "7"]
[Result "1-0"]
[Date "2012.02.24"]
[ECO "E73"]
[WhiteElo "1925"]
[BlackElo "1900"]
[PlyCount "73"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Bf4 e6 8. Qd2 Kh7 9. h4 Qe7 10. Nf3 Nc6 11. 0-0-0 e5 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Be3 Be6 15. Nd5 Bxd5 16. exd5 Ne4 17. Qc2 f5 18. h5 g5 19. g4 Kh8 20. Bd3 Nd6 21. c5 Rac8 22. Kb1 e4 23. Bf1 Ne8 24. gxf5 Rd8 25. Bg2 Nf6 26. Bxg5 hxg5 27. h6 Rxd5 28. hxg7+ Kxg7 29. Rxd5 Nxd5 30. Bxe4 Nf6 31. Bxb7 Qe5 32. Rg1 g4 33. Bf3 Qh2 34. Qc1 Qxf2 35. Bxg4 Kf7 36. Bh5+ Nxh5 37. Qc4+ 1-0

[Event "Cheliabinsk Region-ch"]
[White "Tretjachenko, Leonid"]
[Black "Vasiliev, Sergey A"]
[Site "Cheliabinsk"]
[Round "6"]
[Result "1/2-1/2"]
[Date "2012.02.23"]
[ECO "C00"]
[WhiteElo "1900"]
[BlackElo "1972"]
[PlyCount "36"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. e4 dxe4 4. Nxe4 Nc6 5. Nf3 Nf6 6. Ng3 Bc5 7. Be2 0-0 8. 0-0 b6 9. b3 Bb7 10. Bb2 Nd4 11. Nxd4 Bxd4 12. Qc2 c5 13. Bxd4 Qxd4 14. Qc3 Rad8 15. Rad1 Ne4 16. Nxe4 Bxe4 17. Qxd4 Rxd4 18. d3 Bg6 1/2-1/2

[Event "Cheliabinsk Region-ch"]
[White "Pleshakov, Anton"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "5"]
[Result "1-0"]
[Date "2012.02.22"]
[ECO "B53"]
[WhiteElo "2096"]
[BlackElo "1900"]
[PlyCount "67"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. c4 Nf6 8. e5 c5 9. Qd1 dxe5 10. Nxe5 Qc7 11. Nxd7 Nxd7 12. 0-0 e6 13. Nc3 a6 14. Qf3 Rd8 15. Bg5 f6 16. Bf4 Bd6 17. Bxd6 Qxd6 18. Rad1 Qe7 19. Qc6 0-0 20. Qxa6 Ne5 21. b3 Nd3 22. Qc6 Rd6 23. Qe4 Rd4 24. Qe3 Rfd8 25. Nb5 R4d7 26. Rd2 e5 27. Nc3 Nf4 28. Rfd1 Rd4 29. Nb5 Qe6 30. Nxd4 Rxd4 31. g3 Nh3+ 32. Kg2 Ng5 33. Rxd4 cxd4 34. Qe2 1-0

[Event "Cheliabinsk Region-ch"]
[White "Tretjachenko, Leonid"]
[Black "Safiyarov, Bagman"]
[Site "Cheliabinsk"]
[Round "4"]
[Result "1-0"]
[Date "2012.02.21"]
[ECO "E80"]
[WhiteElo "1900"]
[PlyCount "52"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 d6 2. d4 Nf6 3. Nc3 g6 4. e4 Nbd7 5. Be3 Bg7 6. f3 c6 7. Qd2 h5 8. Nge2 e5 9. 0-0-0 Qc7 10. Kb1 b6 11. Nc1 Bb7 12. Nb3 Rd8 13. dxe5 dxe5 14. c5 b5 15. Bxb5 0-0 16. Bd3 Rfe8 17. Qe2 Nf8 18. Bc4 Ne6 19. Bxe6 Rxe6 20. Rxd8+ Qxd8 21. Rd1 Qc7 22. Qd2 Re8 23. Qd3 Qc8 24. Na5 Ba8 25. b4 Qa6 26. a3 Bb7 1-0

[Event "Cheliabinsk Region-ch"]
[White "Ivanov, Stepan"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "3"]
[Result "1-0"]
[Date "2012.02.20"]
[ECO "E64"]
[WhiteElo "2021"]
[BlackElo "1900"]
[PlyCount "37"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 c5 6. d5 d6 7. Bg2 e6 8. 0-0 exd5 9. Nxd5 Nxd5 10. Qxd5 Qc7 11. Rd1 Be6 12. Qxd6 Qxd6 13. Rxd6 Nc6 14. Be3 Bxb2 15. Rb1 Rfd8 16. Rxd8+ Rxd8 17. Rxb2 Rd1+ 18. Bf1 Bh3 19. Nd2 1-0

[Event "Cheliabinsk Region-ch"]
[White "Tretjachenko, Leonid"]
[Black "Gorbushin, Maksim"]
[Site "Cheliabinsk"]
[Round "2"]
[Result "0-1"]
[Date "2012.02.19"]
[ECO "E84"]
[WhiteElo "1900"]
[BlackElo "2186"]
[PlyCount "17"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Nc1 0-1

[Event "Cheliabinsk Region-ch"]
[White "Gortinsky, Vladislav"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "1"]
[Result "0-1"]
[Date "2012.02.18"]
[ECO "E60"]
[WhiteElo "1826"]
[BlackElo "1900"]
[PlyCount "56"]
[EventDate "2012.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 0-0 5. Bd3 c5 6. 0-0 d6 7. d5 e6 8. e4 exd5 9. exd5 Bg4 10. h3 Bxf3 11. Qxf3 Nbd7 12. Nc3 Ne5 13. Qd1 Nxd3 14. Qxd3 a6 15. Bg5 h6 16. Bh4 Qd7 17. Rab1 Rfe8 18. Rfe1 Rxe1+ 19. Rxe1 Re8 20. Rxe8+ Qxe8 21. Qd2 b5 22. b3 b4 23. Ne2 Qe4 24. Bxf6 Bxf6 25. Qd1 Be5 26. Ng3 Qf4 27. Nf1 Kg7 28. Qd2 Qe4 0-1

[Event "Cheliabinsk Spassky 75 op"]
[White "Lukin, Vasily"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "9"]
[Result "0-1"]
[Date "2012.02.12"]
[ECO "B38"]
[WhiteElo "1725"]
[BlackElo "1900"]
[PlyCount "72"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. h3 c5 7. Be3 cxd4 8. Nxd4 Nc6 9. Be2 Bd7 10. 0-0 a6 11. Nb3 Na5 12. Rc1 b5 13. f3 Nxc4 14. Bxc4 bxc4 15. Nd2 Rc8 16. Na4 Bxa4 17. Qxa4 d5 18. Bf2 e6 19. Rfd1 Qe7 20. Re1 Qb7 21. b4 Qb5 22. Qa3 Nd7 23. Rb1 Ne5 24. Bc5 Nd3 25. Bxf8 Bd4+ 26. Kf1 Kxf8 27. Re2 Nf4 28. Qa5 Nxe2 29. Kxe2 c3+ 30. Qxb5 axb5 31. Nb3 c2 32. Rf1 Bb2 33. Kd2 Ba3 34. exd5 Bxb4+ 35. Kd3 Ba3 36. Kd2 exd5 0-1

[Event "Cheliabinsk Spassky 75 op"]
[White "Tretjachenko, Leonid"]
[Black "Subbotin, Valery"]
[Site "Cheliabinsk"]
[Round "7"]
[Result "1-0"]
[Date "2012.02.11"]
[ECO "A22"]
[WhiteElo "1900"]
[BlackElo "1964"]
[PlyCount "69"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Be7 4. Bg2 0-0 5. e4 d6 6. Nge2 c6 7. 0-0 Na6 8. d4 exd4 9. Nxd4 Re8 10. b3 Bf8 11. h3 g6 12. Be3 Bg7 13. Qd2 Nc5 14. f3 a5 15. Rad1 Qc7 16. Nde2 Bf8 17. g4 Ne6 18. Nf4 Ra6 19. Nxe6 fxe6 20. f4 Bg7 21. Qf2 Rf8 22. Qc2 Ra8 23. Rfe1 Rf7 24. Na4 Nd7 25. Kh1 Bf8 26. Rc1 e5 27. f5 Qd8 28. Rcd1 Qc7 29. Rc1 b6 30. Rf1 Ba6 31. Kh2 b5 32. fxg6 Rxf1 33. gxh7+ Kxh7 34. Rxf1 bxa4 35. Rf7+ 1-0

[Event "Cheliabinsk Spassky 75 op"]
[White "Tretjachenko, Leonid"]
[Black "Gortinsky, Vladislav"]
[Site "Cheliabinsk"]
[Round "8"]
[Result "1-0"]
[Date "2012.02.09"]
[ECO "A23"]
[WhiteElo "1900"]
[BlackElo "1826"]
[PlyCount "71"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d6 6. Bf4 Be6 7. e4 c5 8. Qd2 Nc6 9. b3 Qd7 10. Bg2 0-0-0 11. Nge2 h6 12. 0-0-0 g5 13. Nd5 Bxd5 14. exd5 Nb4 15. Be3 Qe7 16. a3 Na6 17. Nc3 Kb8 18. Rhe1 Qd7 19. f4 g4 20. f5 Qxf5 21. Rf1 Qg6 22. Rf2 Bg7 23. Rdf1 Rc8 24. Qc2 Qxc2+ 25. Kxc2 Nh5 26. Rf5 Rce8 27. Ne4 Re5 28. Rxf7 Rhe8 29. Kd3 Nf6 30. R7xf6 Bxf6 31. Rxf6 Rh5 32. Bf4 Rxh2 33. Nxd6 Rg8 34. Be4 Ka8 35. Nb5 h5 36. Rxa6 1-0

[Event "Cheliabinsk Spassky 75 op"]
[White "Gaisin, Nail"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "6"]
[Result "0-1"]
[Date "2012.02.07"]
[ECO "B23"]
[WhiteElo "1901"]
[BlackElo "1900"]
[PlyCount "96"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 Nc6 7. a3 a6 8. d3 Nge7 9. h4 b5 10. Ba2 h5 11. Ng5 d5 12. Re1 0-0 13. f5 d4 14. fxg6 fxg6 15. Nxe6 Bxe6 16. Bxe6+ Kh8 17. Ne2 Qd6 18. Bh3 Rf7 19. Bg5 Raf8 20. Qd2 Be5 21. Bh6 Bg7 22. Bxg7+ Kxg7 23. Rf1 Rf6 24. Qg5 Ne5 25. Rxf6 Qxf6 26. Qxf6+ Rxf6 27. Rf1 N7c6 28. Rxf6 Kxf6 29. Nf4 c4 30. Kf2 cxd3 31. cxd3 g5 32. hxg5+ Kxg5 33. Ne6+ Kf6 34. Nc5 a5 35. Ke2 b4 36. a4 Ke7 37. g3 Kd6 38. Ne6 Nd7 39. Nf4 Nc5 40. Bc8 Nxa4 41. Be6 Nxb2 42. Kd2 a4 43. Kc2 a3 44. Ba2 Ne5 45. Nxh5 Nbxd3 46. Bd5 Nc5 47. Ng7 d3+ 48. Kd2 Nxe4+ 0-1

[Event "Cheliabinsk Spassky 75 op"]
[White "Tretjachenko, Leonid"]
[Black "Popov, Sergei2"]
[Site "Cheliabinsk"]
[Round "5"]
[Result "0-1"]
[Date "2012.02.05"]
[ECO "A16"]
[WhiteElo "1900"]
[BlackElo "1867"]
[PlyCount "58"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. e4 Nxc3 5. bxc3 e5 6. Bc4 Bd6 7. Ne2 0-0 8. 0-0 Qh4 9. Ng3 g6 10. d4 Nc6 11. d5 Ne7 12. Bd3 f5 13. f3 f4 14. Ne2 g5 15. Qe1 Qh5 16. g4 Qh3 17. Qf2 Rf6 18. Qg2 Qh6 19. Bd2 Ng6 20. Be1 Nh4 21. Bxh4 Qxh4 22. h3 h5 23. Kh2 hxg4 24. fxg4 Rh6 25. Ng1 Bxg4 26. Nf3 Qxh3+ 27. Qxh3 Rxh3+ 28. Kg2 Rg3+ 29. Kh2 Rxf3 0-1

[Event "Cheliabinsk Spassky 75 op"]
[White "Sirazhitdinov, Danil"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "4"]
[Result "1-0"]
[Date "2012.02.04"]
[ECO "B86"]
[WhiteElo "1921"]
[BlackElo "1900"]
[PlyCount "41"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. 0-0 Be7 9. Bg5 Nc6 10. Kh1 h6 11. Bh4 0-0 12. f4 b5 13. Nxc6 Qxc6 14. e5 Bb7 15. Qe2 dxe5 16. fxe5 g5 17. exf6 Bd6 18. Bd5 exd5 19. Qh5 d4 20. Rf3 Be5 21. Bxg5 1-0

[Event "Cheliabinsk Spassky 75 op"]
[White "Tretjachenko, Leonid"]
[Black "Volozhanin, Boris"]
[Site "Cheliabinsk"]
[Round "3"]
[Result "1-0"]
[Date "2012.02.02"]
[ECO "A25"]
[WhiteElo "1900"]
[BlackElo "1844"]
[PlyCount "55"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. e3 Be7 6. Nge2 0-0 7. 0-0 Bg4 8. d4 Nd7 9. d5 Na5 10. b3 f5 11. f3 Bh5 12. e4 Bg6 13. Bd2 c5 14. dxc6 Qb6+ 15. Kh1 bxc6 16. exf5 Bxf5 17. g4 Bg6 18. Ng3 Rad8 19. Qe1 Bd3 20. Na4 Qa6 21. Bxa5 Bxf1 22. Nxf1 Rde8 23. Bc3 d5 24. Rd1 d4 25. Bxd4 exd4 26. Qe6+ Kh8 27. Qxd7 Bg5 28. Qxd4 1-0

[Event "Cheliabinsk Spassky 75 op"]
[White "Tretjachenko, Leonid"]
[Black "Dubrovskaya, Emilia A"]
[Site "Cheliabinsk"]
[Round "2"]
[Result "1-0"]
[Date "2012.01.31"]
[ECO "A11"]
[WhiteElo "1900"]
[BlackElo "1899"]
[PlyCount "97"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 c6 3. e4 Bb4 4. Nge2 Qc7 5. g3 Nf6 6. Bg2 0-0 7. 0-0 d6 8. d4 a6 9. a3 Bxc3 10. Nxc3 e5 11. Bg5 Nbd7 12. b4 h6 13. Be3 Re8 14. d5 c5 15. Qd3 b6 16. bxc5 bxc5 17. f4 exf4 18. gxf4 Nf8 19. Rae1 Rb8 20. e5 Ng4 21. exd6 Qxd6 22. Ne4 Qg6 23. Bxc5 Nd7 24. f5 Qh5 25. Bd6 Rb2 26. h3 Ngf6 27. Qf3 Qxf3 28. Nxf6+ Nxf6 29. Bxf3 Rxe1 30. Rxe1 Bxf5 31. Be7 Rb3 32. Kf2 Bxh3 33. c5 Rxa3 34. c6 Rd3 35. d6 Bf5 36. Ra1 Bc8 37. Rb1 Bf5 38. Rb6 Kh7 39. Rxa6 Ng4+ 40. Bxg4 Bxg4 41. Ra7 Rf3+ 42. Kg1 Re3 43. Ra8 Rd3 44. Ra4 Be6 45. Ra7 Rd1+ 46. Kf2 Bd5 47. d7 Bxc6 48. d8Q Rxd8 49. Bxd8 1-0

[Event "Cheliabinsk Spassky 75 op"]
[White "Lipatkin, Mikhail"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "1"]
[Result "0-1"]
[Date "2012.01.29"]
[ECO "A07"]
[WhiteElo "1852"]
[BlackElo "1900"]
[PlyCount "70"]
[EventDate "2012.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 d5 3. c4 dxc4 4. Na3 g6 5. Nxc4 Bg7 6. Bg2 Nc6 7. 0-0 e5 8. d3 Nge7 9. Rb1 Rb8 10. b3 0-0 11. Bb2 Qc7 12. a3 b5 13. Ne3 Nd4 14. Rc1 Be6 15. Nxd4 exd4 16. Nc2 Bxb3 17. Qd2 Qd6 18. Ne1 Nf5 19. Nf3 Bh6 20. Ng5 f6 21. e4 Bxg5 22. f4 Ne3 23. fxg5 Nxf1 24. Bxf1 f5 25. Qa5 a6 26. Re1 fxe4 27. Bh3 e3 28. Rxe3 Rbe8 29. Re1 Bd5 30. Bc1 Bb7 31. Rxe8 Rxe8 32. Qd2 Qd5 33. Bg2 Qxg2+ 34. Qxg2 Bxg2 35. Kxg2 Re1 0-1

[Event "Cheliabinsk Region Club-ch fin"]
[White "Kashutin, Mikhail"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "6"]
[Result "1/2-1/2"]
[Date "2011.12.10"]
[ECO "A77"]
[WhiteElo "1876"]
[PlyCount "40"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 d6 6. d5 0-0 7. Be2 e6 8. Nd2 exd5 9. cxd5 Re8 10. f3 a6 11. a4 Nbd7 12. 0-0 Rb8 13. Ra3 Ne5 14. Nc4 Nxc4 15. Bxc4 Nh5 16. g4 Bd4+ 17. Kh1 Ng7 18. Ne2 b5 19. Nxd4 cxd4 20. axb5 axb5 1/2-1/2

[Event "Cheliabinsk Region Club-ch fin"]
[White "Kholopov, Alexander A"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "9"]
[Result "1-0"]
[Date "2011.12.10"]
[ECO "A67"]
[WhiteElo "2329"]
[PlyCount "51"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Be2 0-0 10. Nf3 Na6 11. 0-0 Nc7 12. a4 Rb8 13. Nd2 a6 14. Nc4 Nf6 15. Bf3 b5 16. axb5 axb5 17. Na5 Bb7 18. e5 Nfe8 19. Be3 f5 20. Re1 dxe5 21. Nxb7 Rxb7 22. fxe5 Bxe5 23. d6 Nxd6 24. Bxc5 Bxh2+ 25. Kxh2 Qh4+ 26. Kg1 1-0

[Event "Cheliabinsk Region Club-ch fin"]
[White "Sotnikov, Alexander I"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "8"]
[Result "1-0"]
[Date "2011.12.10"]
[ECO "A06"]
[WhiteElo "2220"]
[PlyCount "59"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. e3 e6 5. Ne5 a6 6. f4 Be7 7. Bd3 Nbd7 8. 0-0 Qc7 9. Qe1 b6 10. g4 0-0 11. g5 Ne4 12. Bxe4 dxe4 13. Ng4 Qd8 14. Qh4 f6 15. gxf6 Nxf6 16. Nxf6+ Bxf6 17. Bxf6 Qxf6 18. Qxf6 Rxf6 19. Nc3 g6 20. Nxe4 Rf8 21. d3 Bb7 22. Ng5 Rae8 23. e4 h6 24. Nh3 e5 25. fxe5 Rxe5 26. Rxf8+ Kxf8 27. Nf4 Kg7 28. Kf2 g5 29. Rg1 Kf6 30. Nh5+ 1-0

[Event "Cheliabinsk Region Club-ch fin"]
[White "Subbotin, Valery"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "4"]
[Result "1-0"]
[Date "2011.12.10"]
[ECO "A38"]
[WhiteElo "2002"]
[PlyCount "57"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. 0-0 c5 7. d3 Nc6 8. Bd2 a6 9. Rb1 Rb8 10. a3 b5 11. cxb5 axb5 12. b4 cxb4 13. axb4 e5 14. Qc2 Qb6 15. Rfc1 Bd7 16. e3 Ne7 17. Ra1 Rfc8 18. Qb1 Bc6 19. h3 Nd7 20. e4 d5 21. Ng5 d4 22. Nd5 Bxd5 23. exd5 h6 24. d6 Nf5 25. Ne4 Nxd6 26. Qb3 Nxe4 27. Bxe4 Bf8 28. f4 Kg7 29. fxe5 1-0

[Event "Cheliabinsk Region Club-ch fin"]
[White "Tretjachenko, Leonid"]
[Black "Kniazkin, Viktor"]
[Site "Cheliabinsk"]
[Round "5"]
[Result "1-0"]
[Date "2011.12.10"]
[ECO "A36"]
[BlackElo "1747"]
[PlyCount "23"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. e4 Be7 6. Nge2 d6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 e5 10. Qd3 0-0 11. 0-0 Be6 12. b3 1-0

[Event "Cheliabinsk Region Club-ch fin"]
[White "Tretjachenko, Leonid"]
[Black "Lukin, Vasily"]
[Site "Cheliabinsk"]
[Round "7"]
[Result "1-0"]
[Date "2011.12.10"]
[ECO "A22"]
[BlackElo "1756"]
[PlyCount "55"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 Nc6 3. e4 e5 4. Nge2 Nd4 5. d3 Be7 6. Nxd4 exd4 7. Ne2 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 c5 10. Ng3 d6 11. Be2 0-0 12. 0-0 Ng4 13. h3 Ne5 14. f4 Nc6 15. Bf3 f6 16. Rfe1 Qc7 17. Ne2 Bd7 18. f5 Qa5 19. Qxa5 Nxa5 20. b4 Nc6 21. b5 Ne5 22. Nf4 a6 23. bxa6 Rxa6 24. Reb1 Bc6 25. Nd5 Nxd3 26. Ne7+ Kh8 27. Nxc6 bxc6 28. Rb7 1-0

[Event "Cheliabinsk Region Club-ch fin"]
[White "Tretjachenko, Leonid"]
[Black "Perezolov, Gerald"]
[Site "Cheliabinsk"]
[Round "3"]
[Result "0-1"]
[Date "2011.12.10"]
[ECO "A25"]
[BlackElo "2037"]
[PlyCount "61"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Bd7 5. e4 g6 6. Nge2 Bg7 7. d3 a6 8. 0-0 Rb8 9. Be3 b5 10. Qd2 h5 11. h3 Qc8 12. cxb5 axb5 13. Kh2 b4 14. Nd1 Qa6 15. d4 Nxd4 16. Nxd4 exd4 17. Bxd4 Nf6 18. Ne3 c5 19. Nd5 Nxd5 20. exd5 cxd4 21. Rae1+ Kf8 22. f4 Qc8 23. Rc1 Qd8 24. Rc2 b3 25. axb3 Rxb3 26. Rf3 Rxf3 27. Bxf3 Bf6 28. Qb4 Bf5 29. Rc6 Kg7 30. Rxd6 Qe7 31. Qb6 0-1

[Event "Cheliabinsk Region Club-ch fin"]
[White "Tretjachenko, Leonid"]
[Black "Protasov, Valery"]
[Site "Cheliabinsk"]
[Round "1"]
[Result "1/2-1/2"]
[Date "2011.12.10"]
[ECO "C80"]
[BlackElo "1665"]
[PlyCount "33"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Bb3 Nxb3 8. axb3 d6 9. d4 Bg4 10. dxe5 dxe5 11. Nc3 Be7 12. h3 Bh5 13. Be3 0-0 14. Qxd8 Raxd8 15. Rad1 Rxd1 16. Rxd1 Bxf3 17. gxf3 1/2-1/2

[Event "Cheliabinsk Region Club-ch fin"]
[White "Zorin, Yuri"]
[Black "Tretjachenko, Leonid"]
[Site "Cheliabinsk"]
[Round "2"]
[Result "0-1"]
[Date "2011.12.10"]
[ECO "A45"]
[WhiteElo "1852"]
[PlyCount "64"]
[EventDate "2011.12.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. c3 d5 5. Nd2 Nc6 6. f4 e6 7. Ngf3 0-0 8. Ne5 Nd7 9. 0-0 f5 10. Nxc6 bxc6 11. b4 a5 12. a4 axb4 13. cxb4 c5 14. bxc5 Nxc5 15. Bb5 Ba6 16. Qe2 c6 17. Bxa6 Nxa6 18. Ba3 c5 19. Nb3 c4 20. Nc5 Nxc5 21. Bxc5 Rf7 22. Rfb1 Bf8 23. Rb5 Bxc5 24. Rxc5 Rfa7 25. Qc2 Ra5 26. Rxa5 Qxa5 27. Qb2 c3 28. Qb3 Rc8 29. h3 c2 30. Rc1 Qd2 31. Qa3 Rb8 32. Qa1 Qxc1+ 0-1

