[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.26"]
[Round "9"]
[White "Legenko, Sergey"]
[Black "Sonin, Konstantin"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2072"]
[PlyCount "41"]
[EventDate "2010.12.12"]
[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 c5 2. g3 e6 3. Bg2 d5 4. e5 Nc6 5. f4 f6 6. Nf3 Qc7 7. d4 cxd4 8. 0-0 Bc5 9. Kh1 fxe5 10. fxe5 Nge7 11. Ng5 Nxe5 12. Bf4 N7g6 13. Bh3 Qe7 14. Qh5 Nc6 15. Nxh7 e5 16. Qxg6+ Qf7 17. Qxf7+ Kxf7 18. Bxc8 Raxc8 19. Bd2+ Ke7 20. Ng5 Rcf8 21. Na3 1-0

[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.24"]
[Round "8"]
[White "Plotnikov, Leonid"]
[Black "Sonin, Konstantin"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "114"]
[EventDate "2010.12.12"]
[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 c5 2. f4 Nf6 3. e5 Nd5 4. Bc4 Nxf4 5. Bxf7+ Kxf7 6. Qf3 Nc6 7. Qxf4+ Ke8 8. Nh3 Qc7 9. 0-0 Qxe5 10. Qf7+ Kd8 11. d4 Qxd4+ 12. Kh1 Ne5 13. Qh5 d6 14. Nc3 Qg4 15. Qxg4 Bxg4 16. Bf4 Bxh3 17. gxh3 Ng6 18. Be3 Kd7 19. Rad1 Kc6 20. Ne4 e6 21. c3 Be7 22. Rf7 d5 23. Ng5 Bxg5 24. Bxg5 Rhg8 25. b4 Raf8 26. b5+ Kb6 27. Rd7 Re8 28. a4 Ne5 29. a5+ Kxb5 30. Rxb7+ Kc4 31. Rc7 a6 32. Be3 Rc8 33. Rb7 Rc6 34. Ra1 d4 35. cxd4 cxd4 36. Ra4+ Kd3 37. Bxd4 Rc4 38. Rxc4 Nxc4 39. Bb6 e5 40. Rd7+ Ke2 41. Rc7 Nxb6 42. axb6 e4 43. b7 Rb8 44. Rxg7 h5 45. Kg2 h4 46. Rc7 e3 47. Rd7 a5 48. Rc7 a4 49. Rc4 a3 50. Rc3 Rxb7 51. Rxa3 Rg7+ 52. Kh1 Rf7 53. Ra6 Kf3 54. Ra1 e2 55. Ra3+ Kf2 56. Ra2 Re7 57. Rb2 Rd7 0-1

[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.22"]
[Round "7"]
[White "Sonin, Konstantin"]
[Black "Brushkivskiy, Denis"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "63"]
[EventDate "2010.12.12"]
[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 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 Nf6 7. Nf3 0-0 8. 0-0 a6 9. h3 b5 10. e5 dxe5 11. Nxe5 Qd4+ 12. Kh2 Nxe5 13. fxe5 Ra7 14. exf6 Bxf6 15. Bh6 Rd8 16. Qd2 b4 17. Nd1 c4 18. Be3 Qd7 19. Bxa7 Qxa7 20. Qxb4 cxd3 21. cxd3 Rxd3 22. Nf2 Rd4 23. Qb3 Be6 24. Qb7 Qc5 25. Ne4 Qe5 26. Nxf6+ exf6 27. Qxa6 Bc4 28. Qc8+ Kg7 29. Rae1 Qb5 30. Rxf6 Kxf6 31. Qh8+ Kf5 32. Qxd4 1-0

[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.20"]
[Round "6"]
[White "Derevygin, Viktor"]
[Black "Sonin, Konstantin"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "75"]
[EventDate "2010.12.12"]
[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 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 h6 7. Bh4 Bd6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 0-0 11. 0-0 Nbd7 12. Rab1 Qc7 13. b4 Rfe8 14. Rfc1 a6 15. a4 Ne4 16. Nxd5 Qb8 17. Nc3 Ndf6 18. Bxf6 Nxf6 19. e4 Bf4 20. Re1 Rd8 21. e5 Nd5 22. g3 Bg5 23. Nxg5 hxg5 24. Ne4 g4 25. Ng5 g6 26. Re4 Qc8 27. Ree1 Kg7 28. f4 gxf3 29. Qxf3 Qd7 30. e6 fxe6 31. Nxe6+ Kg8 32. Nxd8 Rxd8 33. b5 Rf8 34. Qe4 Kh7 35. bxc6 bxc6 36. Qe6 Qg7 37. Re4 Rf6 38. Qc8 1-0

[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.19"]
[Round "5"]
[White "Sonin, Konstantin"]
[Black "Bida, Anastasya"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "86"]
[EventDate "2010.12.12"]
[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 c5 2. Nc3 e6 3. g3 a6 4. Bg2 Qc7 5. d3 b5 6. f4 Bb7 7. Nf3 d6 8. 0-0 Be7 9. Be3 Nf6 10. Qe2 0-0 11. Bf2 Ng4 12. Be1 Nd7 13. h3 Ngf6 14. e5 dxe5 15. fxe5 Nd5 16. Nxd5 Bxd5 17. c4 Bc6 18. b3 Rad8 19. Bc3 b4 20. Bb2 a5 21. d4 cxd4 22. Bxd4 Qb7 23. Qf2 f6 24. exf6 Bxf6 25. Bxf6 Rxf6 26. Qe2 Rdf8 27. Ng5 Bxg2 28. Qxg2 Qxg2+ 29. Kxg2 Nc5 30. Rxf6 gxf6 31. Nf3 Rd8 32. Re1 Kf7 33. Re2 e5 34. Kf2 e4 35. Nh4 Ke6 36. g4 Ke5 37. Nf3+ Kf4 38. Ne1 e3+ 39. Kf1 Rd1 40. Kg2 Rd2 41. Kf1 Rd1 42. Kg2 Ne4 43. Nc2 Rd2 0-1

[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.17"]
[Round "4"]
[White "Barkov, Kirill Gennadievich"]
[Black "Sonin, Konstantin"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2164"]
[PlyCount "139"]
[EventDate "2010.12.12"]
[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 d5 2. c4 e6 3. Nf3 c6 4. Qc2 Nf6 5. g3 Nbd7 6. Bg2 Be7 7. 0-0 0-0 8. Nbd2 dxc4 9. Nxc4 c5 10. dxc5 Bxc5 11. Be3 Bxe3 12. Nxe3 Nb6 13. Rfd1 Bd7 14. Ne5 Rc8 15. Qd2 Qc7 16. Nxd7 Nfxd7 17. Rac1 Qb8 18. a4 Ne5 19. a5 Nbc4 20. Nxc4 Nxc4 21. Qb4 b5 22. b3 Ne5 23. f4 Ng4 24. Qd2 a6 25. Rxc8 Rxc8 26. h3 Nf6 27. Qd6 Qa7+ 28. Kh2 g6 29. Qb6 Qxb6 30. axb6 Rb8 31. b7 Nd5 32. Bxd5 exd5 33. Rxd5 Rxb7 34. Rd6 Re7 35. Rd2 Re3 36. Rb2 a5 37. Kg2 a4 38. bxa4 bxa4 39. Rb8+ Kg7 40. Kf2 Rb3 41. Ra8 a3 42. Ra6 Kf8 43. Ra7 Ke8 44. e3 Rb2+ 45. Kf3 a2 46. Ke4 Rd2 47. Ke5 Re2 48. Ke4 Rd2 49. g4 h6 50. Ke5 Kf8 51. Kf6 Rd6+ 52. Ke5 Rd2 53. e4 Kg7 54. f5 g5 55. Ra8 Rf2 56. Ra6 Rb2 57. Ra8 Rb5+ 58. Kd4 Rb4+ 59. Kd5 Rb5+ 60. Kd6 Kf6 61. Rxa2 Re5 62. Re2 Ra5 63. e5+ Kg7 64. Re3 Ra6+ 65. Kd5 Ra5+ 66. Ke4 Ra4+ 67. Kf3 Kf8 68. Rb3 Ra5 69. Re3 Ke7 70. e6 1-0

[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.16"]
[Round "3"]
[White "Sonin, Konstantin"]
[Black "Ermakov, Yriy"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "35"]
[EventDate "2010.12.12"]
[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 c5 2. Nc3 Nc6 3. g3 e5 4. Bg2 Nf6 5. d3 Be7 6. f4 d6 7. f5 0-0 8. Nf3 Nd4 9. 0-0 Bd7 10. h3 g6 11. g4 gxf5 12. exf5 Bc6 13. g5 Nd7 14. f6 Nxf6 15. gxf6 Bxf6 16. Bh6 Re8 17. Nxd4 Bxg2 18. Qg4+ 1-0

[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.13"]
[Round "2"]
[White "Boyarskiy, Alexander"]
[Black "Sonin, Konstantin"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2106"]
[PlyCount "45"]
[EventDate "2010.12.12"]
[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 c5 2. c3 d6 3. Nf3 Nf6 4. Be2 Nc6 5. d3 g6 6. 0-0 Bg7 7. Be3 0-0 8. h3 b6 9. Nbd2 d5 10. e5 Ne8 11. d4 cxd4 12. cxd4 f6 13. Bb5 Qd7 14. exf6 exf6 15. Qa4 Bb7 16. Rfc1 Rc8 17. Qxa7 Nxa7 18. Bxd7 Rxc1+ 19. Rxc1 Nd6 20. Bf4 Rd8 21. Rc7 Ndc8 22. Bxc8 Bxc8 23. Rxa7 1-0

[Event "Petropavlovsk Kamchatsky-ch"]
[Site "Petropavlovsk Kamchatsky"]
[Date "2010.12.12"]
[Round "1"]
[White "Sonin, Konstantin"]
[Black "Efimova, Anastasia"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "41"]
[EventDate "2010.12.12"]
[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 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 0-0 6. Bg2 c6 7. 0-0 Nbd7 8. c3 Qb6 9. Qc2 Ng4 10. d4 c5 11. exd5 exd5 12. Nb3 c4 13. Nbd2 Ndf6 14. h3 Nh6 15. g4 Ne8 16. Re1 Be6 17. Ng5 Nf6 18. Bxd5 Qb5 19. Bxc4 Qxg5 20. Ne4 Bxc4 21. Nxg5 1-0

