[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.30"]
[Round "9"]
[White "Spiridonov, Mikhail"]
[Black "Kolchin, Alexander"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1734"]
[PlyCount "51"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Nc6 5. 0-0 Be7 6. d4 Bg4 7. Bxf4 Nf6 8. Nc3 0-0 9. h3 Bh5 10. g4 Bg6 11. Qe2 Re8 12. e5 dxe5 13. dxe5 Bc5+ 14. Kh1 Nd7 15. Rad1 Qc8 16. e6 Nf6 17. exf7+ Bxf7 18. Bxf7+ Kxf7 19. Qc4+ Qe6 20. Ng5+ Kg8 21. Nxe6 Bb6 22. Ng5+ Kh8 23. Nf7+ Kg8 24. Nh6+ Kh8 25. Qg8+ Nxg8 26. Nf7# 1-0

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.29"]
[Round "8"]
[White "Kolchin, Alexander"]
[Black "Tskhadadze, Anna"]
[Result "0-1"]
[ECO "C77"]
[BlackElo "1835"]
[PlyCount "78"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 d6 6. Bxc6+ bxc6 7. h3 Be7 8. d3 h6 9. Bd2 0-0 10. Ne2 Be6 11. Ng3 Qd7 12. Qc1 Kh7 13. a3 Ne8 14. Be3 f6 15. Qd2 d5 16. Qe2 Nd6 17. Rd1 d4 18. Bc1 c5 19. c4 dxc3 20. bxc3 Nb5 21. Qd2 Bb3 22. 0-0 Bxd1 23. Rxd1 Nd6 24. Nh4 f5 25. Nhxf5 Nxf5 26. Nxf5 Bg5 27. Qc2 Bxc1 28. Qxc1 Rab8 29. Qc2 Qe6 30. c4 Rb6 31. Ne3 Rfb8 32. Nd5 Rb2 33. Qc3 R8b3 34. Qa5 c6 35. Nc7 Qf7 36. Rf1 Rxf2 37. Rd1 Rbb2 38. Kh1 Rf1+ 39. Kh2 Qf4# 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.28"]
[Round "7"]
[White "Mylnikov, Mikhail"]
[Black "Kolchin, Alexander"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1806"]
[PlyCount "49"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Be7 13. Qe2 Qc7 14. Ne5 Bd6 15. Nxd7 Qxd7 16. Ne4 Nxe4 17. Qxe4 Qe7 18. Bf4 Bxf4+ 19. Qxf4 Rc8 20. Rde1 Rd8 21. Rh3 Qd6 22. Qxd6 Rxd6 23. c3 Rd5 24. Re5 0-0 25. Rxd5 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.27"]
[Round "6"]
[White "Kolchin, Alexander"]
[Black "Gavrikov, Viktor1111"]
[Result "1-0"]
[ECO "B12"]
[BlackElo "1503"]
[PlyCount "93"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. Nc3 c6 4. Nf3 Qc7 5. Bd3 g6 6. 0-0 Bg7 7. Bd2 Ngf6 8. Re1 b6 9. Qe2 0-0 10. h3 a6 11. Rac1 c5 12. d5 b5 13. b3 Nb6 14. Qd1 b4 15. Ne2 c4 16. bxc4 Nxc4 17. Bxb4 Nb2 18. Qd2 Nc4 19. Qc3 Nxd5 20. Qxc4 Qxc4 21. Bxc4 Nxb4 22. a3 Nc6 23. Bd5 Bd7 24. Bxc6 Bxc6 25. Ned4 Bd7 26. Rb1 e5 27. Ne2 Rfd8 28. Rb4 f5 29. exf5 Bxf5 30. c4 Bh6 31. Ng3 Be6 32. Ne4 Bg7 33. Rc1 a5 34. Rb6 Bf8 35. Rd1 Rac8 36. Nxd6 Rxc4 37. Nxe5 Rc3 38. Kh2 Rxa3 39. Nb5 Rxd1 40. Nxa3 Bxa3 41. Rxe6 Bb2 42. Nc4 Bc1 43. Nxa5 Bf4+ 44. g3 Bh6 45. Rf6 Rd5 46. Nc6 Re5 47. Nxe5 1-0

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.26"]
[Round "5"]
[White "Turetsky, Mark"]
[Black "Kolchin, Alexander"]
[Result "1/2-1/2"]
[ECO "E33"]
[WhiteElo "1677"]
[PlyCount "77"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 Nf6 3. Nc3 e6 4. d4 Bb4 5. Qc2 0-0 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 Ne7 9. Bd3 d5 10. a3 Bxc3+ 11. Qxc3 c6 12. Rc1 Bd7 13. 0-0 Rac8 14. Ne5 Rfd8 15. c5 Nf5 16. b4 a6 17. Qc2 Kf8 18. Bxf5 Qxf5 19. Qxf5 exf5 20. a4 f6 21. Nxd7+ Rxd7 22. g3 g5 23. Rb1 Rb8 24. b5 axb5 25. axb5 Rdd8 26. b6 Ra8 27. Ra1 Ke7 28. Kg2 Ke6 29. Rfb1 h5 30. Ra7 Rdb8 31. Rba1 Rxa7 32. Rxa7 g4 33. f3 Kf7 34. h3 Kg6 35. Ra3 Re8 36. hxg4 fxg4 37. Kf2 Kg5 38. Ra7 Rb8 39. Ra3 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.25"]
[Round "4"]
[White "Kolchin, Alexander"]
[Black "Klevets, Ksenia"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1815"]
[PlyCount "66"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nxc6 bxc6 7. Bd2 e6 8. Bd3 d5 9. exd5 cxd5 10. Rb1 Ne7 11. Ne2 0-0 12. Ng3 Qd6 13. 0-0 Ba6 14. Bxa6 Qxa6 15. a3 Rab8 16. Qc1 Rfc8 17. Bb4 Nc6 18. c3 Nxb4 19. axb4 d4 20. Ra1 Qb7 21. Ne2 Rc7 22. Qd2 dxc3 23. bxc3 Rbc8 24. Rfc1 Qe4 25. Ra3 Bh6 26. Qxh6 Qxe2 27. Qh3 Qb2 28. Raa1 Rxc3 29. Qxc3 Rxc3 30. Rd1 Rc2 31. Rab1 Qf6 32. f3 Qg5 33. g3 Qe3+ 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.24"]
[Round "3"]
[White "Yulgushev, Artur"]
[Black "Kolchin, Alexander"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1695"]
[PlyCount "122"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. Bd2 e6 11. 0-0-0 Bd6 12. Rhe1 Rc8 13. Ne5 Bxe5 14. dxe5 Ng4 15. Qd4 Ngxe5 16. Rxe5 Nxe5 17. Qxe5 Qf6 18. Qxf6 gxf6 19. Ne4 Rd8 20. Nxf6+ Ke7 21. Bc3 Rxd1+ 22. Kxd1 Rd8+ 23. Ke2 Kd6 24. Ng4 h5 25. Nf6 e5 26. Nxh5 Rh8 27. g4 Rg8 28. Nf6 Rh8 29. h5 Ke6 30. g5 Kf5 31. Bd2 c5 32. h6 b6 33. Kd3 b5 34. h7 Kg6 35. Ke4 Kg7 36. Kxe5 Rd8 37. Be3 c4 38. Bxa7 Rd2 39. Bd4 Rxc2 40. Kd5 b4 41. Kc5 c3 42. bxc3 bxc3 43. a4 Ra2 44. h8Q+ Kxh8 45. Ne4+ Kh7 46. Nxc3 Ra3 47. Kb4 Ra1 48. a5 Kg6 49. Kb5 Ra3 50. Bf6 Kf5 51. a6 Kf4 52. Nd5+ Kf3 53. Nc7 Kxf2 54. a7 Rxa7 55. Bd4+ Kf3 56. Bxa7 Kf4 57. Kc4 Kxg5 58. Nd5 f5 59. Be3+ Kg4 60. Kd3 Kf3 61. Kd4 Kg4 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.23"]
[Round "2"]
[White "Kolchin, Alexander"]
[Black "Sokolov, Ilia"]
[Result "1/2-1/2"]
[ECO "B08"]
[BlackElo "1734"]
[PlyCount "114"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 0-0 6. Be2 Nbd7 7. 0-0 Re8 8. Re1 e5 9. d5 Nf8 10. Bg5 h6 11. Bh4 N8h7 12. Qd2 g5 13. Bg3 Nh5 14. Bh2 Nf4 15. Bxf4 gxf4 16. Qd3 Ng5 17. Nxg5 Qxg5 18. Qf3 Kh8 19. Qh5 Qf6 20. Nb5 Qe7 21. c4 a6 22. Nc3 Rg8 23. Kh2 Bf8 24. Rg1 Rg5 25. Qf3 f5 26. Rac1 Bd7 27. exf5 Bxf5 28. Ne4 Bxe4 29. Qxe4 Qh7 30. Qxh7+ Kxh7 31. Bg4 e4 32. Rge1 Re8 33. Be6 Re5 34. g3 fxg3+ 35. fxg3 Be7 36. Rc2 Rf8 37. Rce2 Bf6 38. b3 Rg5 39. g4 Be5+ 40. Kg2 Rf3 41. Re3 Bc3 42. R1e2 Re5 43. Rxf3 exf3+ 44. Kxf3 Rxe2 45. Kxe2 Kg6 46. h4 Bf6 47. g5 hxg5 48. hxg5 Kxg5 49. Bc8 b6 50. Bxa6 Kf4 51. Kd2 Ke4 52. Kc2 Ke3 53. b4 Kd4 54. a4 Bh4 55. Kb3 Be1 56. Bb5 Bd2 57. Ba6 Be1 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.22"]
[Round "1"]
[White "Kolesnikova, Kristina"]
[Black "Kolchin, Alexander"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1927"]
[PlyCount "97"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. c4 Nf6 3. e5 Ng8 4. d4 e6 5. Nf3 d5 6. exd6 Bxd6 7. Nc3 Nf6 8. Bg5 Nbd7 9. Bd3 h6 10. Bh4 0-0 11. 0-0 Qc7 12. Rc1 Qd8 13. Bc2 Re8 14. Qd3 b6 15. Ne4 Be7 16. Nxf6+ Nxf6 17. Ne5 Bb7 18. Rcd1 Rc8 19. Rfe1 Qd6 20. Re3 c5 21. Nxf7 Kxf7 22. Qg6+ Kf8 23. Rg3 Nh5 24. Qxh5 Bxh4 25. Qxh4 Qe7 26. Qf4+ Qf6 27. Qxf6+ gxf6 28. Rg6 cxd4 29. Rxd4 Red8 30. Rxf6+ Ke7 31. Rdf4 Rd2 32. Bb3 Rxb2 33. h3 Kd6 34. c5+ Ke5 35. cxb6 axb6 36. Bxe6 Rc7 37. R4f5+ Ke4 38. Rxh6 Rg7 39. Rh4+ Kd3 40. Rg4 Re7 41. Rg3+ Kd2 42. Re3 Rg7 43. Bd5 Bc8 44. Rff3 Rc7 45. Rd3+ Kc2 46. Bb3+ Kb1 47. Rd1+ Rc1 48. Rxc1+ Kxc1 49. Rc3+ 1-0

