[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.31"]
[Round "9"]
[White "Mukhin, Sergey"]
[Black "Kiseleva, Arina"]
[Result "1/2-1/2"]
[ECO "B19"]
[BlackElo "1853"]
[PlyCount "54"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Qc7 13. 0-0-0 Ngf6 14. c4 0-0-0 15. Kb1 c5 16. Qc2 Kb8 17. Ne5 Nxe5 18. dxe5 Nd7 19. Bc3 Be7 20. Rhe1 Qc6 21. Ne4 Rhg8 22. f4 Nb6 23. b3 Nc8 24. Kc1 Kc7 25. Rxd8 Rxd8 26. Rd1 Rf8 27. Qd3 Rd8 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.30"]
[Round "8"]
[White "Revidovich, Alexander"]
[Black "Mukhin, Sergey"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1984"]
[PlyCount "44"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. f4 d6 4. fxe5 dxe5 5. Bxe5 Nf6 6. e3 Nc6 7. Bb2 Qe7 8. Nc3 Bxc3 9. Bxc3 Ne4 10. Bxg7 Rg8 11. Bb2 Qh4+ 12. Ke2 Qf2+ 13. Kd3 Nc5+ 14. Kc3 Qf6+ 15. d4 Ne4+ 16. Kb3 Na5+ 17. Ka4 Bd7+ 18. Bb5 Bxb5+ 19. Kxb5 Rg5+ 20. Ka4 Qc6+ 21. Ka3 Nc4+ 22. Kb3 Qb5# 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.29"]
[Round "7"]
[White "Mukhin, Sergey"]
[Black "Chistiakov, Mikhail"]
[Result "1/2-1/2"]
[ECO "B50"]
[BlackElo "1783"]
[PlyCount "114"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. Re1 0-0 9. d3 b5 10. a3 a5 11. Nbd2 Rb8 12. Nf1 b4 13. axb4 axb4 14. Bd2 Ne8 15. Ng3 Nc7 16. h4 Ne6 17. Qc1 Re8 18. h5 Qb6 19. hxg6 hxg6 20. c4 Ra8 21. Rxa8 Rxa8 22. Bh6 Ne5 23. Bxg7 Kxg7 24. Nxe5 dxe5 25. Ne2 Rd8 26. Rd1 Rd6 27. g3 Qd8 28. Qe3 Qh8 29. Kg2 Qh6 30. f4 exf4 31. Nxf4 Nxf4+ 32. Qxf4 Qxf4 33. gxf4 Rd4 34. Kf3 Kf6 35. Ke3 e5 36. fxe5+ Kxe5 37. Rg1 Rd6 38. Rg5+ f5 39. exf5 gxf5 40. Rg8 f4+ 41. Kd2 Rf6 42. Rg5+ Kd6 43. Rd5+ Kc6 44. Ke2 Rh6 45. Kf3 Rh2 46. d4 cxd4 47. Rxd4 Kc5 48. Rxf4 Rxb2 49. Ke3 Rc2 50. Kd3 Rc3+ 51. Kd2 Rxc4 52. Rxc4+ Kxc4 53. Kc2 b3+ 54. Kb2 Kb4 55. Kb1 Kc3 56. Kc1 b2+ 57. Kb1 Kb3 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.28"]
[Round "6"]
[White "Semenov, Nikita"]
[Black "Mukhin, Sergey"]
[Result "0-1"]
[ECO "C72"]
[WhiteElo "2182"]
[PlyCount "74"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. c3 Be7 6. 0-0 b5 7. Bc2 d6 8. d4 Bg4 9. Bg5 Bxf3 10. Qxf3 exd4 11. e5 Nxe5 12. Qe2 dxc3 13. Nxc3 0-0 14. f4 Ng6 15. h4 Re8 16. h5 Nf8 17. h6 Ne6 18. hxg7 Nd4 19. Bxh7+ Nxh7 20. Qe4 Bxg5 21. Qxd4 Bf6 22. Qd3 Bxc3 23. Qxc3 c5 24. Kf2 Qf6 25. Qd2 Kxg7 26. Rh1 Re4 27. Kf3 Qd4 28. Qxd4+ Rxd4 29. Rh4 Re8 30. Rah1 Nf6 31. g4 Rde4 32. f5 Re3+ 33. Kf2 Re2+ 34. Kf3 R8e3+ 35. Kf4 Nd5+ 36. Kg5 f6+ 37. Kh5 Nf4# 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.27"]
[Round "5"]
[White "Mukhin, Sergey"]
[Black "Tskhadadze, Anna"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1755"]
[PlyCount "60"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. d3 Nc6 8. Nbd2 Qc7 9. Nf1 d5 10. Ng3 Rd8 11. Qc2 b6 12. Bf1 Bg4 13. e5 Nd7 14. d4 Rac8 15. Ba6 Rb8 16. h3 Bxf3 17. gxf3 b5 18. a4 cxd4 19. cxd4 Qa5 20. Bf4 Qxa6 21. e6 Nxd4 22. Qd3 Nc5 23. exf7+ Kxf7 24. Qe3 Rb7 25. Kg2 Nce6 26. Be5 Nc2 27. Qe2 Nxe1+ 28. Rxe1 Bxe5 29. Qxe5 bxa4 30. f4 Qd6 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.26"]
[Round "4"]
[White "Zavgorodniaya, Alena"]
[Black "Mukhin, Sergey"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "1812"]
[PlyCount "127"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. dxe5 dxe5 13. Nbd2 Nc6 14. Nf1 Be6 15. Ne3 Rad8 16. Qe2 g6 17. Nh2 Rd7 18. Nf3 Rdd8 19. Ng5 Bc8 20. h4 h6 21. Nf3 Be6 22. a4 Qb7 23. axb5 axb5 24. b3 Ra8 25. Rxa8 Rxa8 26. c4 bxc4 27. bxc4 Nd4 28. Nxd4 cxd4 29. Nd5 Bxd5 30. exd5 Nd7 31. h5 Kg7 32. hxg6 fxg6 33. Qg4 g5 34. Qf5 Rh8 35. Qg6+ Kf8 36. Bf5 Nc5 37. d6 Bxd6 38. Qxd6+ Qe7 39. Qxe7+ Kxe7 40. Rxe5+ Kd6 41. Rd5+ Kc6 42. Ba3 Nb3 43. Be4 Kc7 44. Rb5 Nd2 45. Rb7+ Kc8 46. Bc6 Nxc4 47. Bd5 Nxa3 48. Ra7 Rd8 49. Be6+ Kb8 50. Rxa3 Kb7 51. Bg4 d3 52. Ra1 Kc6 53. Rd1 Kc5 54. Kf1 Kc4 55. Ke1 Kc3 56. Rc1+ Kb2 57. Kd2 Rf8 58. Rf1 Rf4 59. Be6 Rd4 60. Bf5 h5 61. Bxd3 Rg4 62. Rb1+ Ka3 63. Kc3 Ka2 64. Bc2 1-0

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.25"]
[Round "3"]
[White "Mukhin, Sergey"]
[Black "Bakhtin, Alexander"]
[Result "1-0"]
[ECO "C54"]
[BlackElo "1769"]
[PlyCount "101"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. Nbd2 d6 7. Bb3 Bg4 8. h3 Bd7 9. Nf1 Qe7 10. Ng3 Na5 11. Bc2 Nc6 12. 0-0 h6 13. Nh4 Rad8 14. Nhf5 Bxf5 15. Nxf5 Qd7 16. Qf3 Kh7 17. Nxh6 gxh6 18. Qxf6 Qe6 19. Qxe6 fxe6 20. Be3 Bb6 21. Bxb6 axb6 22. g3 Rg8 23. Kh2 Rdf8 24. f4 Kh8 25. f5 exf5 26. Rxf5 Ne7 27. Rxf8 Rxf8 28. Kg2 Kg7 29. Rf1 Rxf1 30. Kxf1 Kg6 31. Bd1 b5 32. Bg4 Kg5 33. Bd7 c6 34. Kf2 h5 35. h4+ Kg6 36. Kf3 Kh6 37. d4 b4 38. cxb4 exd4 39. Ke2 Ng6 40. b5 c5 41. b6 Ne5 42. Be6 Nc6 43. Bd5 Na5 44. Kd3 Kg6 45. a3 Kf6 46. b4 c4+ 47. Kxd4 Nb3+ 48. Kxc4 Nd2+ 49. Kd3 Nf1 50. Bxb7 Nxg3 51. Bd5 1-0

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.24"]
[Round "2"]
[White "Chuprova, Irina"]
[Black "Mukhin, Sergey"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1804"]
[PlyCount "49"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Bc5 5. Bg2 d6 6. 0-0 0-0 7. h3 Bd7 8. d3 h6 9. Nh4 Qc8 10. Kh2 Re8 11. f4 exf4 12. gxf4 Nd4 13. f5 Qd8 14. Nf3 Qe7 15. Nxd4 Bxd4 16. Ne2 Nh5 17. Bf3 Be5+ 18. Kg2 g6 19. Bxh5 gxh5 20. Bxh6 Kh7 21. Bf4 Rg8+ 22. Kh2 Bxf4+ 23. Nxf4 Qg5 24. Qxh5+ Qxh5 25. Nxh5 1-0

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.23"]
[Round "1"]
[White "Mukhin, Sergey"]
[Black "Puzko, Danila"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1967"]
[PlyCount "110"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. c4 Qd8 6. Nc3 Nf6 7. Be2 Bf5 8. a3 e6 9. d3 Be7 10. Nh4 Nd4 11. Nxf5 Nxf5 12. Bf4 a6 13. 0-0 0-0 14. Bf3 Bd6 15. Bxd6 Qxd6 16. Ne4 Nxe4 17. Bxe4 Nd4 18. Rb1 Rab8 19. b4 b6 20. g3 f5 21. Bf3 f4 22. g4 Qe7 23. Kh1 Qh4 24. bxc5 bxc5 25. Rxb8 Rxb8 26. Be4 Rb3 27. a4 Rb2 28. Qe1 Qh3 29. Rg1 Ne2 30. Qa5 Rb8 31. Qc7 Rf8 32. f3 Nxg1 33. Kxg1 Qh4 34. Qxc5 Qe1+ 35. Kg2 Qe2+ 36. Qf2 Qxf2+ 37. Kxf2 g5 38. c5 Rc8 39. c6 h6 40. Ke2 Kf7 41. Kd2 Ke7 42. Kc3 Rb8 43. h3 Kd6 44. d4 a5 45. Bd3 Kxc6 46. Bc2 Rb4 47. Bb3 Kd6 48. Bc2 e5 49. dxe5+ Kxe5 50. Bb3 Rxb3+ 51. Kxb3 Kd4 52. Kc2 Ke3 53. Kc3 Kxf3 54. Kd3 Kg2 55. Kc4 f3 0-1

