[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.31"]
[Round "9"]
[White "Pristalov, Evgeny"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2224"]
[BlackElo "2035"]
[PlyCount "106"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bg5 Be7 7. Nxf6+ Bxf6 8. h4 0-0 9. Bd3 c5 10. c3 cxd4 11. Nxd4 Nc5 12. Bxh7+ Kxh7 13. Bxf6 Qxf6 14. Qh5+ Kg8 15. Qxc5 e5 16. Nb5 Rd8 17. Nc7 b6 18. Qc4 Rb8 19. Nd5 Qd6 20. Ne3 Qd2+ 21. Kf1 Qxb2 22. Re1 Be6 23. Qc7 Qb5+ 24. Kg1 Rbc8 25. Qxa7 Rxc3 26. Qe7 Qd7 27. Qg5 f6 28. Qg3 Qd4 29. Kh2 Qf4 30. Rb1 Qxg3+ 31. Kxg3 Rd6 32. Rb2 f5 33. Kh2 f4 34. Rd1 Rcc6 35. Rxd6 Rxd6 36. Nf1 Bc4 37. Nd2 Bd3 38. g3 fxg3+ 39. Kxg3 e4 40. Kf4 Rh6 41. Ke3 b5 42. f3 Rxh4 43. fxe4 Rh3+ 44. Kd4 Be2 45. Nb3 Bc4 46. Na5 Rd3+ 47. Kc5 Ra3 48. Nxc4 bxc4 49. Kd4 c3 50. Re2 Kf7 51. Kc4 Ke6 52. Kb4 c2 53. Rxc2 Re3 1/2-1/2

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.30"]
[Round "8"]
[White "Vunder, Andrei"]
[Black "Klevets, Ksenia"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2035"]
[BlackElo "1802"]
[PlyCount "37"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c4 d5 5. cxd5 Nxd5 6. Nc3 cxd4 7. exd4 Be7 8. Bd3 0-0 9. 0-0 b6 10. Nxd5 exd5 11. Re1 Bg4 12. Bf4 Bxf3 13. Qxf3 Nc6 14. Qh3 g6 15. Bh6 Re8 16. Bb5 Qd6 17. Rac1 Rec8 18. Bxc6 Rxc6 19. Rxc6 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.29"]
[Round "7"]
[White "Paltusov, Sergei"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1798"]
[BlackElo "2035"]
[PlyCount "126"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. c3 c5 7. Nf3 Nxe4 8. Bxe4 Nf6 9. Bc2 cxd4 10. Nxd4 Bc5 11. Nb3 Bb6 12. Qxd8+ Kxd8 13. f3 Ke7 14. Ke2 Bd7 15. Be3 Bb5+ 16. Kf2 Bxe3+ 17. Kxe3 Rhd8 18. Rhd1 Nd5+ 19. Kf2 Rac8 20. Rd2 Nb6 21. Rad1 Rxd2+ 22. Nxd2 Na4 23. Bxa4 Bxa4 24. b3 Bc6 25. Nf1 a5 26. a4 Bd5 27. c4 Bc6 28. Ke3 b6 29. Ng3 Bb7 30. Ne4 Bxe4 31. Kxe4 Rc6 32. Ke3 g5 33. h4 h6 34. hxg5 hxg5 35. g4 Rd6 36. Rc1 Rc6 37. Rd1 Rc5 38. Kd4 Kd6 39. b4 axb4 40. Rb1 f6 41. Rxb4 Kc7 42. Rb1 Ra5 43. Rb4 Kc6 44. Kd3 Kc5 45. Kc3 f5 46. gxf5 exf5 47. Rb1 Kc6 48. Kb4 g4 49. Rg1 gxf3 50. Rf1 f4 51. Rxf3 Rf5 52. Kc3 Kc5 53. Kd3 Rf8 54. Kc3 Rf6 55. Kb3 Kd4 56. Kb4 Ke4 57. Rc3 Rf5 58. Rc1 f3 59. Ra1 f2 60. Rc1 f1Q 61. Rxf1 Rxf1 62. c5 Rb1+ 63. Kc4 Rc1+ 0-1

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.28"]
[Round "6"]
[White "Vunder, Andrei"]
[Black "Smorodkin, Kirill"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2035"]
[BlackElo "1826"]
[PlyCount "102"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. Bg5 c5 6. e3 d6 7. Be2 Bf5 8. 0-0 h6 9. Bh4 Nbd7 10. Bd3 Bxd3 11. Qxd3 Rc8 12. h3 a6 13. d5 Qa5 14. a4 Rfe8 15. Bg3 Nh5 16. Bh2 Qb4 17. g4 Nhf6 18. a5 b5 19. axb6 Nxb6 20. Nd2 Nfd7 21. Ra3 Bxc3 22. Rxc3 Na4 23. Rb3 Qa5 24. Ra1 Rb8 25. Rxb8 Rxb8 26. b3 Nb2 27. Rxa5 Nxd3 28. Rxa6 Rb7 29. Ra3 f6 30. Bg3 Kf7 31. Kf1 Kg7 32. Ke2 Nc1+ 33. Kd1 Nd3 34. Kc2 Nb4+ 35. Kc3 Kf7 36. Ne4 f5 37. gxf5 gxf5 38. Nd2 Nf6 39. Bf4 h5 40. f3 e5 41. dxe6+ Kxe6 42. Ra8 Rg7 43. Rd8 Nd7 44. Re8+ Kf7 45. Rh8 Rg1 46. e4 Rc1+ 47. Kb2 Nd3+ 48. Ka2 Nxf4 49. Nb1 fxe4 50. fxe4 Nd3 51. Na3 N7e5 0-1

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.27"]
[Round "5"]
[White "Chernyak, Viktoria"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2285"]
[BlackElo "2035"]
[PlyCount "96"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 c5 5. cxd5 exd5 6. Bb5+ Nbd7 7. d4 Be7 8. dxc5 0-0 9. c6 bxc6 10. Bxc6 Ba6 11. Bb5 Bxb5 12. Nxb5 Qa5+ 13. Nc3 Bb4 14. 0-0 Bxc3 15. bxc3 Qxc3 16. Bd2 Qa3 17. Bc1 Qc3 18. Qd4 Qxd4 19. Nxd4 Nb6 20. Ba3 Rfe8 21. Nf5 Nc4 22. Bc5 Ne4 23. Bd4 f6 24. Rfb1 Ned6 25. Nxd6 Nxd6 26. g4 a6 27. Rb6 Nb5 28. Bb2 Reb8 29. Rc6 Na7 30. Rc2 Nc6 31. h3 Na5 32. Rd1 Nc4 33. Bd4 Rb5 34. e4 Nd6 35. e5 fxe5 36. Bxe5 Nc4 37. Bc3 Nb6 38. Re2 Kf7 39. Rd3 Rf8 40. Kg2 Kg8 41. Kg3 Rd8 42. Re7 Rd7 43. Re8+ Kf7 44. Re5 Re7 45. Rxe7+ Kxe7 46. Bxg7 Ra5 47. Rd2 Ra3+ 48. Kh4 Ke6 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.26"]
[Round "4"]
[White "Vunder, Andrei"]
[Black "Frolov, Zakhar"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2035"]
[BlackElo "1457"]
[PlyCount "77"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. c3 d6 6. e4 b6 7. Bd3 c5 8. 0-0 Nc6 9. Re1 e5 10. dxe5 dxe5 11. Nc4 Qc7 12. Ne3 Be6 13. Qc2 a6 14. Bc4 Bxc4 15. Nxc4 h6 16. Bh4 b5 17. Ne3 Ne7 18. a4 g5 19. Bg3 Nh5 20. Red1 Nxg3 21. hxg3 Rad8 22. g4 Qc6 23. axb5 axb5 24. Nh2 Qg6 25. Nhf1 h5 26. gxh5 Qxh5 27. Ng3 Qh7 28. Ra7 Ng6 29. Ngf5 Nf4 30. Ne7+ Kh8 31. Rxd8 Rxd8 32. g3 Nd3 33. Nc6 Qg8 34. Nxd8 Qxd8 35. Nd5 c4 36. Qe2 Qe8 37. Qh5+ Kg8 38. Ne7+ Kf8 39. Qh7 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.25"]
[Round "3"]
[White "Khripachenko, Alexander"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2282"]
[BlackElo "2035"]
[PlyCount "101"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. g3 b6 8. Bg2 Bb7 9. 0-0 Bd6 10. c4 0-0 11. b3 a5 12. a4 Qc8 13. Bb2 Rd8 14. Qe2 Be4 15. Rac1 Qb7 16. Rfe1 Bb4 17. Red1 Be7 18. Ne1 Bxg2 19. Nxg2 Re8 20. Nf4 Rad8 21. Rc3 Bd6 22. Rf3 Ne4 23. Re3 f5 24. f3 Ng5 25. Nxe6 Rxe6 26. Rxe6 Nxf3+ 27. Kf2 Ng5 28. Re8+ Kf7 29. Rxd8 Nh3+ 30. Ke1 Bb4+ 31. Rd2 Qh1+ 32. Qf1 Bxd2+ 33. Ke2 Qxh2+ 34. Kd1 Ke7 35. Rd5 f4 36. Re5+ Kd7 37. Re2 Qxg3 38. Rxd2 f3 39. c5 f2 40. cxb6 Qg1 41. Rxf2 Nxf2+ 42. Ke2 Qg4+ 43. Kxf2 Qf5+ 44. Kg1 Qg4+ 45. Kh2 cxb6 46. Qb5+ Kc7 47. Qe5+ Kb7 48. d5 Qh4+ 49. Kg2 Qg4+ 50. Kf2 Qh4+ 51. Qg3 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.24"]
[Round "2"]
[White "Vunder, Andrei"]
[Black "Strybuk, Artsiom I"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2035"]
[BlackElo "2231"]
[PlyCount "81"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. c3 0-0 5. Nbd2 d5 6. e3 Nbd7 7. Be2 Re8 8. 0-0 e5 9. Bh4 e4 10. Ne1 Nf8 11. c4 c6 12. Rc1 Be6 13. Nc2 Qd7 14. Na3 Bg4 15. Bxg4 Nxg4 16. cxd5 cxd5 17. Qb3 Rac8 18. Nb5 Ne6 19. Bg3 Rc6 20. Nxa7 Rxc1 21. Rxc1 Bxd4 22. Nb5 Nc5 23. Qb4 Nd3 24. Qxd4 Nxc1 25. Nc3 Qc6 26. Ndb1 Nd3 27. h3 Nf6 28. Bh4 Re5 29. f4 Re6 30. Bxf6 Rxf6 31. Nxd5 Qc1+ 32. Kh2 Re6 33. Nbc3 Qxb2 34. Nc7 Ne1 35. Qd8+ Kg7 36. Nxe6+ fxe6 37. Qe7+ Kg8 38. Qe8+ Kg7 39. Qe7+ Kg8 40. Qe8+ Kg7 41. Qe7+ 1/2-1/2

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.23"]
[Round "1"]
[White "Danilova, Vesta"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1252"]
[BlackElo "2035"]
[PlyCount "56"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 Be7 5. g3 Nf6 6. Bg2 0-0 7. Nf3 c5 8. 0-0 Nc6 9. Bg5 c4 10. Rc1 h6 11. Bf4 Bf5 12. b3 Ba3 13. bxc4 Bxc1 14. Qxc1 dxc4 15. Nb5 Nd5 16. Ne5 a6 17. Nxc6 bxc6 18. Nd6 Be6 19. Nxc4 Nxf4 20. gxf4 Qxd4 21. Ne5 Bd5 22. Rd1 Qa4 23. Nxc6 Bxg2 24. Ne7+ Kh8 25. f5 Qg4 26. f3 Bxf3+ 27. Kf2 Qg2+ 28. Ke3 Qxe2+ 0-1

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.13"]
[Round "9"]
[White "Nikologorsky, Matfei"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2220"]
[BlackElo "2027"]
[PlyCount "116"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Nf6 8. h4 h6 9. Nf4 Bh7 10. 0-0 Bd6 11. Re1 0-0 12. c3 Re8 13. Qf3 Nbd7 14. Bd2 b5 15. Bd3 Bxd3 16. Nxd3 Qc7 17. Ne4 Nxe4 18. Rxe4 c5 19. dxc5 Nxc5 20. Nxc5 Qxc5 21. a4 a6 22. Rg4 Kf8 23. Be3 Qf5 24. Qe2 Qe5 25. g3 Bc5 26. Re4 Qd5 27. Rd1 Qc6 28. Bxc5+ Qxc5 29. Re5 Qc4 30. Qxc4 bxc4 31. Rc5 Rec8 32. Rxc8+ Rxc8 33. Rd6 a5 34. Ra6 Rc5 35. Ra7 g5 36. hxg5 hxg5 37. Rb7 Ke8 38. Kf1 g4 39. Ke2 f6 40. Ke3 Kd8 41. Kd4 Rf5 42. Kxc4 Rxf2 43. b4 axb4 44. Rxb4 f5 45. Kb3 f4 46. a5 fxg3 47. a6 Kc7 48. a7 Rf8 49. Rxg4 Kb7 50. Rg7+ Ka8 51. Kc4 g2 52. Kc5 Rf7 53. Rxg2 Kxa7 54. Kc6 Rf4 55. Ra2+ Kb8 56. Ra3 e5 57. Kd5 Kc7 58. c4 e4 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.12"]
[Round "8"]
[White "Vunder, Andrei"]
[Black "Zhang, Lanlin"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2027"]
[BlackElo "2203"]
[PlyCount "32"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. c4 0-0 6. Nc3 a6 7. c5 b6 8. cxb6 cxb6 9. Rc1 b5 10. Bd3 Bb7 11. 0-0 Nbd7 12. Qe2 Rc8 13. h3 Qa5 14. Nd2 Bb4 15. Nb3 Qb6 16. Nb1 Be7 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.11"]
[Round "7"]
[White "Ponfilenok, Vladimir"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2348"]
[BlackElo "2027"]
[PlyCount "64"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Bd6 11. Qc1 Nbd7 12. Nc3 Qe7 13. Bg5 h6 14. Bh4 Bb4 15. Bxf6 Nxf6 16. Qc2 Rad8 17. Rfd1 Rfe8 18. Qb3 Bd5 19. Nxd5 exd5 20. a5 c6 21. e3 Bd6 22. Rd3 Ne4 23. Qc2 g6 24. Rb3 Rb8 25. Qe2 Kg7 26. Nd2 Nf6 27. Nf3 Ne4 28. Ne1 h5 29. Nf3 Rh8 30. h4 Rhe8 31. Ne1 Qc7 32. Nd3 Re7 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.10"]
[Round "6"]
[White "Nandhidhaa, PV."]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2348"]
[BlackElo "2027"]
[PlyCount "92"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. 0-0 Nd7 5. h3 Bh5 6. d3 Ngf6 7. c4 e6 8. cxd5 exd5 9. e4 dxe4 10. dxe4 Be7 11. Nc3 0-0 12. Qc2 Re8 13. Rd1 Bb4 14. Bg5 Qa5 15. Bd2 Ne5 16. g4 Nfxg4 17. hxg4 Bxg4 18. Nxe5 Bxd1 19. Rxd1 Qxe5 20. Be3 Bc5 21. Bxc5 Qxc5 22. Qb3 Qe7 23. Ne2 Rad8 24. Ng3 g6 25. Re1 Rd4 26. e5 Qb4 27. Qxb4 Rxb4 28. Ne4 Kg7 29. Nd6 Re7 30. b3 a5 31. Rc1 a4 32. Kh2 axb3 33. axb3 f6 34. exf6+ Kxf6 35. Ne4+ Kg7 36. f3 Rd4 37. Bh3 Re5 38. Rc3 Re7 39. Kg3 h6 40. Nc5 Kf6 41. Bc8 Rb4 42. Rd3 Rb5 43. Ne4+ Kg7 44. Nd6 Rd5 45. Rxd5 cxd5 46. b4 b6 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.09"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Bimiev, Ahmad"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2027"]
[BlackElo "2266"]
[PlyCount "56"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Nbd7 7. h3 b6 8. c4 Bb7 9. Nc3 c5 10. Rc1 cxd4 11. exd4 dxc4 12. Bxc4 a6 13. a4 e6 14. Qe2 Re8 15. Rfe1 Nb8 16. Bg5 Nc6 17. d5 exd5 18. Qxe8+ Qxe8 19. Rxe8+ Rxe8 20. Nxd5 Nxd5 21. Bxd5 Rc8 22. Be3 b5 23. axb5 axb5 24. Ng5 Nd8 25. Rxc8 Bxc8 26. Bb6 Ne6 27. Nxe6 Bxe6 28. Bxe6 fxe6 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.08"]
[Round "4"]
[White "Ter Saakian, Grigorii"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2277"]
[BlackElo "2027"]
[PlyCount "81"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Ne2 Qb6 6. d4 e6 7. Nfg1 f6 8. f3 Ng5 9. exf6 gxf6 10. c3 c5 11. Bxg5 fxg5 12. Qd2 Nc6 13. 0-0-0 Be7 14. Nh3 Rg8 15. Kb1 Bd7 16. dxc5 Bxc5 17. Nd4 Nxd4 18. cxd4 Be7 19. Bd3 Rg7 20. Nf2 h5 21. g4 h4 22. f4 0-0-0 23. f5 exf5 24. Bxf5 Kb8 25. Bxd7 Rxd7 26. Rhe1 Rd8 27. Re5 Bf6 28. Rf5 Re7 29. Rf3 Rde8 30. Rb3 Qd6 31. Nd3 Bxd4 32. Qxg5 Qxh2 33. Qxd5 Bb6 34. Nc5 Bxc5 35. Qxc5 Rc7 36. Qf5 Qe2 37. Qd3 Qxg4 38. a3 Qe4 39. Qxe4 Rxe4 40. Rd8+ Rc8 41. Rd7 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.07"]
[Round "3"]
[White "Vunder, Andrei"]
[Black "Soloviev, Mikhail2222"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2027"]
[BlackElo "1704"]
[PlyCount "41"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 d5 5. e3 0-0 6. Bd3 Nbd7 7. 0-0 b6 8. c4 Bb7 9. Rc1 Ne4 10. Bxe7 Qxe7 11. cxd5 Nxd2 12. Qxd2 Bxd5 13. e4 Bb7 14. Rxc7 Bc8 15. Rfc1 Qd8 16. Qg5 f6 17. Qg3 g6 18. Qd6 Re8 19. Ba6 Nf8 20. Qxd8 Rxd8 21. Rxc8 1-0

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.06"]
[Round "2"]
[White "Shevtsova, Stefania"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1715"]
[BlackElo "2027"]
[PlyCount "50"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 Ne7 7. Be2 Nc8 8. a4 Be7 9. 0-0 0-0 10. h3 a6 11. a5 Na7 12. Bd2 Rc8 13. c4 dxc4 14. Bxc4 Nb5 15. Rc1 Nc7 16. Qe2 Nd5 17. Rfd1 Re8 18. Qe1 h6 19. Nh2 Bg6 20. Nf1 Bf8 21. Ne3 Nf4 22. Nf1 Nd5 23. Ne3 Nf4 24. Nf1 Nd5 25. Ne3 Nf4 1/2-1/2

[Event "Chigorin Memorial 27th"]
[Site "St Petersburg"]
[Date "2019.10.05"]
[Round "1"]
[White "Vunder, Andrei"]
[Black "Afanasiev, Nikita"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2027"]
[BlackElo "2520"]
[PlyCount "98"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 e6 4. c3 Ne7 5. Bd3 b6 6. 0-0 Bb7 7. Re1 d6 8. Nbd2 Nd7 9. Qe2 a6 10. a4 h6 11. Nf1 c5 12. h3 Nc6 13. Be3 cxd4 14. cxd4 Nb4 15. Bb1 Rc8 16. Qd2 Nc6 17. Ra3 Na5 18. b3 d5 19. Ng3 Qe7 20. Qb2 0-0 21. e5 Rc7 22. Bd3 Rfc8 23. Bd2 Nc6 24. b4 a5 25. bxa5 Nxa5 26. Bb4 Qe8 27. Bxa5 bxa5 28. Rb3 Bc6 29. Bb5 Bf8 30. Rc1 Bb4 31. Rxc6 Rxc6 32. Bxc6 Rxc6 33. Rxb4 axb4 34. Qxb4 Rc4 35. Qd2 Kg7 36. a5 Qb8 37. h4 Qb1+ 38. Kh2 Qc1 39. Qa2 Qc2 40. Qa3 Qxf2 41. Nh1 Qc2 42. a6 Rc3 43. Qe7 Rxf3 44. Qxd7 Rf4 45. Qe7 g5 46. hxg5 Rh4+ 47. Kg3 Rxh1 48. Qf6+ Kg8 49. a7 Qd3+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.22"]
[Round "9"]
[White "Vunder, Andrei"]
[Black "Gurskiy, Dmitriy"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2039"]
[BlackElo "1735"]
[PlyCount "87"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 c6 6. e3 Nbd7 7. Be2 b6 8. Rc1 Bb7 9. 0-0 0-0 10. h3 Re8 11. a3 Rc8 12. Bh2 a6 13. Bd3 dxc4 14. Bxc4 b5 15. Ba2 c5 16. Qe2 Qb6 17. Rfd1 cxd4 18. exd4 Bd6 19. Ne5 Ba8 20. Kh1 Qb8 21. f3 Qb6 22. f4 Qb8 23. f5 Nf8 24. Rf1 Bd5 25. Bxd5 exd5 26. Qf3 Qb7 27. Ng4 Nxg4 28. hxg4 Bxh2 29. Kxh2 Rcd8 30. Rce1 Rxe1 31. Rxe1 f6 32. Kh1 Kf7 33. Qe3 Qd7 34. g5 Qd6 35. gxf6 gxf6 36. Qf3 Qd7 37. Re3 Kg7 38. Qh5 h6 39. Ne2 Qc7 40. Qg4+ Kh7 41. Rg3 Qf7 42. Nf4 Rd6 43. Nh5 Rd7 44. Qg8+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.21"]
[Round "8"]
[White "Kovaleva, Ekaterina"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "1898"]
[BlackElo "2039"]
[PlyCount "104"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 cxd4 5. cxd4 dxe4 6. Nxe4 Nf6 7. Nxf6+ Qxf6 8. Nf3 Bd7 9. Bg5 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Nc6 12. Bc4 0-0 13. 0-0 Rae8 14. Rad1 Ne7 15. Ne5 Bc6 16. Qa5 a6 17. Qc7 Rc8 18. Qb6 Nd5 19. Qb3 Nf4 20. Nxc6 Rxc6 21. Bd3 b5 22. a4 bxa4 23. Qxa4 Rd6 24. g3 Nxd3 25. Rxd3 Rfd8 26. Rfd1 g6 27. Qc4 a5 28. d5 Rxd5 29. Rxd5 exd5 30. Rxd5 Rb8 31. Qc3 Qxc3 32. bxc3 Ra8 33. Rd2 a4 34. Ra2 Kf8 35. Kf1 Ke7 36. Ke2 Kd6 37. Kd3 Kc5 38. c4 Ra6 39. Kc3 g5 40. f4 gxf4 41. gxf4 a3 42. Kb3 Rh6 43. Rc2 Rh3+ 44. Ka2 Rf3 45. f5 h5 46. f6 h4 47. Ka1 Rxf6 48. Rc3 Rf1+ 49. Ka2 Rf2+ 50. Kxa3 Rxh2 51. Kb3 Rg2 52. Rf3 Rg3 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.20"]
[Round "7"]
[White "Vunder, Andrei"]
[Black "Galkin, Leonid1111"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2039"]
[BlackElo "1751"]
[PlyCount "70"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Bg5 c5 6. d5 d6 7. e3 h6 8. Bh4 g5 9. Bg3 Nh5 10. Qc2 f5 11. Bd3 e5 12. dxe6 Bxe6 13. 0-0 Nc6 14. a3 Qd7 15. Rad1 Nxg3 16. hxg3 Qf7 17. Nb5 Rad8 18. b3 a6 19. Nc3 b5 20. Nb1 b4 21. a4 Qf6 22. Be2 Qb2 23. Qxb2 Bxb2 24. Rd2 Bf6 25. Rfd1 Be7 26. Ne1 f4 27. gxf4 gxf4 28. Bf3 fxe3 29. fxe3 Ne5 30. Bd5 Bxd5 31. Rxd5 Ng4 32. Nc2 Bh4 33. Rxd6 Bf2+ 34. Kh1 Rxd6 35. Rxd6 Bg3 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.19"]
[Round "6"]
[White "Khurkhesova, Viktoriya"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1855"]
[BlackElo "2039"]
[PlyCount "72"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 Be7 8. Nf3 0-0 9. Bc4 Qc7 10. d5 exd5 11. Bxd5 Nc6 12. h3 Bf6 13. Bd2 Be6 14. 0-0 Rfe8 15. c4 Bxd5 16. exd5 Nd4 17. Nxd4 Bxd4 18. Qf3 b6 19. a4 Qd7 20. Rb5 Re5 21. a5 bxa5 22. d6 Rf8 23. Rb7 Qxd6 24. Bf4 Qf6 25. Bxe5 Qxf3 26. gxf3 Bxe5 27. Rxa7 Bc3 28. Rd1 g6 29. Rdd7 Bb4 30. Kg2 Kg7 31. Kg3 Kf6 32. f4 Ke6 33. Re7+ Kf6 34. Rec7 Kg7 35. Kg4 Kf6 36. Ra6+ Kg7 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.18"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Gasanov, Zaur"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2039"]
[BlackElo "2240"]
[PlyCount "98"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bd3 0-0 6. 0-0 Nc6 7. c3 e5 8. dxe5 dxe5 9. Nc4 Nd7 10. b4 Nb6 11. Qc2 Bg4 12. Nfd2 Be6 13. Ne3 a6 14. Nb3 Nd7 15. Rd1 Qe7 16. a4 Rfe8 17. Ba3 Qg5 18. Bc4 Nf8 19. Bc1 Bxc4 20. Nxc4 Qh5 21. Nc5 b6 22. Nxa6 Rxa6 23. b5 Na5 24. bxa6 Nxc4 25. f3 Ra8 26. Qd3 Na5 27. Ba3 Ne6 28. Qd7 Qg5 29. Bb4 Qe3+ 30. Kh1 Qe2 31. Bxa5 bxa5 32. Qb5 Qf2 33. Rab1 Bf8 34. Qxe5 Rxa6 35. h3 Rc6 36. Rf1 Qd2 37. Qd5 Qxc3 38. Rbc1 Qxc1 39. Rxc1 Rxc1+ 40. Kh2 Rc5 41. Qa8 Kg7 42. Kg1 Rc1+ 43. Kf2 Bc5+ 44. Ke2 Bb4 45. g3 Rc2+ 46. Kf1 Ng5 47. Qd5 Nxh3 48. Qd4+ Kh6 49. Qe3+ g5 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.17"]
[Round "4"]
[White "Skrobat, Dmitriy"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1423"]
[BlackElo "2039"]
[PlyCount "54"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c5 5. cxd5 exd5 6. Bg2 Nc6 7. Nc3 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. Na4 Be7 11. a3 Ne4 12. Be3 Bf6 13. Rc1 Re8 14. Nd4 Bd7 15. Nc5 Nxd4 16. Bxd4 Bc6 17. b4 Qe7 18. Re1 a5 19. e3 axb4 20. axb4 Bb5 21. Bxf6 Qxf6 22. Nxe4 dxe4 23. Bf1 Ra2 24. Rc2 Ba4 25. Ree2 Bxc2 26. Rxc2 Rxc2 27. Qxc2 g6 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.16"]
[Round "3"]
[White "Vunder, Andrei"]
[Black "Peregudov, Denis"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2039"]
[BlackElo "1779"]
[PlyCount "63"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 e6 2. e4 b6 3. Nf3 Bb7 4. Bd3 d5 5. e5 c5 6. c3 Qd7 7. Qe2 Nc6 8. 0-0 Nge7 9. a3 Ng6 10. Re1 Be7 11. g3 0-0 12. h4 Rfe8 13. h5 Nf8 14. h6 g6 15. Bf4 f6 16. exf6 Bxf6 17. Bb5 a6 18. Bxc6 Bxc6 19. Nbd2 cxd4 20. cxd4 Bb5 21. Qe3 Rac8 22. Be5 Qe7 23. Bxf6 Qxf6 24. Rac1 Qf5 25. Ne5 Rc2 26. g4 Rxc1 27. gxf5 Rxe1+ 28. Qxe1 exf5 29. Qc1 Ne6 30. Ndf3 a5 31. Ng5 Nxd4 32. Qc7 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.15"]
[Round "2"]
[White "Tatarnikov, Ivan"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1795"]
[BlackElo "2039"]
[PlyCount "48"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nf6 7. Nf4 e5 8. dxe5 Qa5+ 9. c3 Qxe5+ 10. Qe2 Qxe2+ 11. Bxe2 Nbd7 12. Be3 Bc5 13. Nxg6 hxg6 14. Bxc5 Nxc5 15. 0-0-0 0-0 16. Bf3 Rad8 17. Kc2 Rfe8 18. Rhe1 Kf8 19. Rxd8 Rxd8 20. Re3 Nd5 21. Bxd5 Rxd5 22. Re2 Nd3 23. f3 Nf4 24. Rf2 Nd3 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.14"]
[Round "1"]
[White "Vunder, Andrei"]
[Black "Gareyev, Timur"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2039"]
[BlackElo "2600"]
[PlyCount "52"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 Bf5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bg6 7. 0-0 e5 8. Bxg6 hxg6 9. Qc2 Qc7 10. b4 d5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. h3 Bxb4 14. Nxd5 Nxd5 15. cxd5 Qxa1 16. Qe4+ Be7 17. dxc6 Qc3 18. cxb7 Rd8 19. Bb2 Qb4 20. Qc6+ Kf8 21. Be5 Rh5 22. b8Q Rxb8 23. Bxb8 Qxb8 24. Rc1 Kg8 25. Qd7 Rc5 26. Rd1 Bf6 0-1

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.11.04"]
[Round "9"]
[White "Vunder, Andrei"]
[Black "Makarian, Rudik"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2162"]
[BlackElo "2366"]
[PlyCount "127"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 cxd4 5. exd4 Bf5 6. c3 e6 7. Bd3 Bg6 8. 0-0 Nf6 9. Re1 Be7 10. h3 0-0 11. Bxg6 hxg6 12. Nbd2 b5 13. a3 Nd7 14. Qe2 a6 15. Nb3 Nb6 16. Nc1 Nc4 17. Nd3 Bd6 18. Bxd6 Qxd6 19. Ng5 Ne7 20. h4 Nf5 21. h5 Qe7 22. Qg4 Nh6 23. Qh4 gxh5 24. Qxh5 Qf6 25. Nf3 Qf5 26. Qxf5 Nxf5 27. Re2 a5 28. Rae1 Ne7 29. g3 Nc6 30. Kg2 Rfb8 31. Rc1 Rb6 32. Rec2 g6 33. Nc5 b4 34. cxb4 axb4 35. a4 b3 36. Rc3 Ra5 37. Nxb3 Rxa4 38. Nc5 Rab4 39. b3 N4a5 40. Na4 Ra6 41. Nc5 Rab6 42. Na4 Ra6 43. Nc5 Ra7 44. Nxe6 fxe6 45. Rxc6 Nxc6 46. Rxc6 Re7 47. Ne5 Kg7 48. Ra6 Rxb3 49. Nc6 Re8 50. Ra7+ Kh6 51. Ne5 g5 52. Rf7 Rb4 53. Ng4+ Kh5 54. Ne5 Kh6 55. Ng4+ Kh5 56. Ne5 Rh8 57. g4+ Kh6 58. Re7 Rxd4 59. Nf7+ Kg7 60. Nxh8+ Kxh8 61. f3 Rd2+ 62. Kf1 Kg8 63. Rxe6 Kf7 64. Re5 1/2-1/2

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.11.03"]
[Round "8"]
[White "Kukhmazov, Arsen"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2395"]
[BlackElo "2162"]
[PlyCount "82"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. a3 Nc6 9. Qc2 Qa5 10. Rd1 Re8 11. Ne5 d4 12. Nxc6 bxc6 13. exd4 Bxd4 14. Be2 Bxc3+ 15. bxc3 e5 16. Bg5 Qxa3 17. 0-0 Be6 18. Ra1 Qc5 19. Be3 Qe7 20. Ra5 Bg4 21. Rfa1 Bxe2 22. Qxe2 Reb8 23. h3 Rb7 24. Bg5 Re8 25. Qf3 Rc7 26. Qe3 Qe6 27. Bxf6 Qxf6 28. Rxa7 Rxa7 29. Rxa7 h6 30. Rc7 Re6 31. Qe4 g6 32. c5 Qd8 33. Rb7 Qa8 34. Qb4 Qa1+ 35. Kh2 Qe1 36. f3 Qd2 37. Rc7 e4 38. Rc8+ Kg7 39. fxe4 Qf4+ 40. Kh1 Rxe4 41. Qb1 Qe5 0-1

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.11.02"]
[Round "7"]
[White "Vunder, Andrei"]
[Black "Vasilyev, Alexey1111"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2162"]
[BlackElo "1995"]
[PlyCount "89"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 cxd4 5. exd4 b6 6. a4 Bb7 7. Nbd2 Nc6 8. c3 d5 9. Bd3 Bd6 10. Bg3 0-0 11. Qe2 h6 12. Bxd6 Qxd6 13. Ne5 Nd7 14. Nxd7 Qxd7 15. 0-0 Ne7 16. Nf3 Nf5 17. Ne5 Qe7 18. a5 Rfe8 19. Rfe1 f6 20. Ng6 Qf7 21. Qg4 Kh7 22. Nf4 g6 23. axb6 axb6 24. Rxa8 Bxa8 25. h4 h5 26. Qh3 Bc6 27. f3 e5 28. Nxg6 e4 29. Qxf5 Qxg6 30. Qxg6+ Kxg6 31. Bc2 f5 32. fxe4 fxe4 33. Kf2 Ra8 34. Bb3 b5 35. Ke3 Ra7 36. Rf1 Ra8 37. g3 Bb7 38. Rg1 Kf5 39. Bd1 Ra2 40. Bxh5 Rxb2 41. g4+ Ke6 42. g5 Rc2 43. g6 Rxc3+ 44. Kf4 Rc8 45. Bg4+ 1-0

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.11.01"]
[Round "6"]
[White "Klevets, Ksenia"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1834"]
[BlackElo "2162"]
[PlyCount "80"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 Bf5 4. Bf4 e6 5. Qb3 Qc8 6. c4 c6 7. Nc3 Nbd7 8. e3 Be7 9. Be2 h6 10. h3 dxc4 11. Bxc4 Nb6 12. Be2 Nbd5 13. Bh2 Nb4 14. Rc1 Nd3+ 15. Bxd3 Bxd3 16. Nd5 exd5 17. Qxd3 Qd8 18. 0-0 0-0 19. Ne5 Bd6 20. Kh1 Re8 21. a3 Qe7 22. Nf3 Bxh2 23. Kxh2 Ne4 24. Nd2 Nd6 25. Kh1 Qh4 26. Nf3 Qh5 27. Ne5 Rad8 28. Qd1 Qg5 29. Qg4 f6 30. Qxg5 hxg5 31. Nd3 Kf7 32. g3 Ne4 33. Nc5 Nd6 34. Nd3 Ne4 35. Nc5 Nd6 36. Nd3 Ne4 37. Nc5 Nd6 38. Nd3 Ne4 39. Nc5 Nd6 40. Nd3 Ne4 1/2-1/2

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.31"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Sattarov, Bobir"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2162"]
[BlackElo "2339"]
[PlyCount "96"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 c5 2. e3 g6 3. Nf3 Bg7 4. Be2 Nf6 5. 0-0 0-0 6. c4 b6 7. Nc3 Bb7 8. d5 d6 9. e4 Nbd7 10. h3 Ne5 11. Nxe5 dxe5 12. Be3 Ne8 13. a3 f5 14. f3 Nd6 15. b4 Rc8 16. bxc5 Rxc5 17. Bxc5 bxc5 18. Bd3 Bh6 19. Qe1 Ba6 20. Nb5 Bxb5 21. cxb5 c4 22. Bc2 fxe4 23. Bxe4 Nxb5 24. Kh1 Qc7 25. Qh4 Be3 26. Qg4 Kg7 27. Ra2 Rf4 28. Qe6 Nc3 29. Raa1 Rf6 30. Qg4 Nb5 31. a4 Nd4 32. Rab1 c3 33. d6 Qxd6 34. Qc8 Ne2 35. Rfe1 Ng3+ 36. Kh2 Bf4 37. Bc2 Qd2 38. Bb3 Ne4+ 39. Kh1 Nf2+ 40. Kg1 Nd3 41. Rf1 e4 42. fxe4 Qe3+ 43. Kh1 Qg3 44. Rxf4 Rxf4 45. Qxc3+ Kh6 46. Qc8 Ne1 47. Rxe1 Qxe1+ 48. Kh2 Rf1 0-1

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.30"]
[Round "4"]
[White "Zasukhin, Mikhail"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1943"]
[BlackElo "2162"]
[PlyCount "72"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Qb3 Nc6 6. Nc3 Nb4 7. Qa4+ c6 8. Nh4 Nc2+ 9. Kd1 Nxa1 10. Nxf5 exf5 11. Bd3 a6 12. Ke2 g6 13. c5 Bg7 14. Bd2 0-0 15. Rxa1 Re8 16. Kf1 Ng4 17. h3 Qh4 18. Be1 f4 19. hxg4 Qh1+ 20. Ke2 Qxg2 21. Nd1 fxe3 22. Nxe3 Rxe3+ 23. Kxe3 Bh6+ 24. Ke2 Qxg4+ 25. Kf1 Qh3+ 26. Kg1 Qxd3 27. Ba5 Re8 28. Rd1 Qf3 29. Re1 Re4 30. Rxe4 dxe4 31. Be1 Qg4+ 32. Kf1 Qh3+ 33. Kg1 Bf4 34. Qb3 e3 35. fxe3 Bxe3+ 36. Bf2 Qg3+ 0-1

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.29"]
[Round "3"]
[White "Vunder, Andrei"]
[Black "Ismagilov, Igor"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2162"]
[BlackElo "1979"]
[PlyCount "115"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 c5 2. d5 g6 3. e4 Bg7 4. Nf3 d6 5. Be2 Nf6 6. Nc3 0-0 7. 0-0 Na6 8. h3 Nc7 9. a4 e6 10. dxe6 Nxe6 11. Bc4 Qe7 12. Re1 Rd8 13. Nd5 Qf8 14. Ng5 Nxd5 15. Bxd5 h6 16. Nxe6 Bxe6 17. Ra3 Bxd5 18. Qxd5 Qe7 19. Rd3 b6 20. Bf4 Bf8 21. Red1 Qf6 22. Rf3 Qe7 23. c3 Rac8 24. Qc4 Qe6 25. Rd5 Re8 26. Re3 Rcd8 27. Qd3 Qf6 28. Bg3 h5 29. Re1 Qe6 30. f3 Rd7 31. e5 c4 32. Qxc4 dxe5 33. Rexe5 Rxd5 34. Qxd5 Bc5+ 35. Kh2 Qc8 36. Rxe8+ Qxe8 37. Be5 Be7 38. Qe4 Qd7 39. Qa8+ Bf8 40. Qe4 Qe6 41. h4 Be7 42. Qa8+ Bf8 43. Bg3 Qd7 44. Qe4 Bd6 45. Qd4 Bxg3+ 46. Kxg3 Qc7+ 47. Qf4 Qe7 48. Kf2 Qc5+ 49. Qd4 Qf5 50. Qe4 Qc5+ 51. Kg3 Qd6+ 52. Qf4 Qd1 53. Qd4 Qc2 54. Qb4 Qd2 55. b3 Qe1+ 56. Kh2 Qe5+ 57. Kh3 Qe6+ 58. Kg3 1/2-1/2

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.28"]
[Round "2"]
[White "Vlasenko, Miroslav"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2411"]
[BlackElo "2162"]
[PlyCount "99"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 0-0 6. a3 c5 7. dxc5 Bxc5 8. e3 Nc6 9. Qc2 Qa5 10. Nd2 Bb4 11. Rc1 Bxc3 12. Qxc3 Qxc3 13. Rxc3 e5 14. Bg5 d4 15. Rc1 dxe3 16. fxe3 Ng4 17. h3 h6 18. hxg4 hxg5 19. Be2 e4 20. Nxe4 Ne5 21. Nxg5 Bxg4 22. Nf3 Nd7 23. Rh4 Nf6 24. Bd3 Rfe8 25. Kd2 g6 26. Nd4 Kg7 27. Rf1 Rh8 28. Rhh1 Bd7 29. b4 Rxh1 30. Rxh1 Re8 31. c5 Re5 32. Nf3 Rd5 33. Kc3 Bf5 34. Bxf5 Rxf5 35. Re1 Ne4+ 36. Kd4 Ng5 37. Nxg5 Rxg5 38. Re2 Kf6 39. Rc2 Ke6 40. c6 bxc6 41. Rxc6+ Kd7 42. Ra6 Rxg2 43. Rxa7+ Ke6 44. b5 Rb2 45. Kc5 g5 46. Ra8 g4 47. Re8+ Kd7 48. Rg8 f5 49. a4 Ke7 50. e4 1-0

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.27"]
[Round "1"]
[White "Vunder, Andrei"]
[Black "Lapin, Artem"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2162"]
[BlackElo "1496"]
[PlyCount "59"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 f6 5. Bb5 e6 6. Nd2 Nge7 7. h4 h5 8. Ngf3 Ng6 9. Bg3 Bd6 10. Bxd6 Qxd6 11. Qc2 Nge7 12. Rd1 a6 13. Bd3 Kf8 14. dxc5 Qxc5 15. e4 Kf7 16. 0-0 Bd7 17. Rfe1 Rhe8 18. Nb3 Qb6 19. Qe2 Kf8 20. Nfd4 Nxd4 21. cxd4 g6 22. Nc5 Rad8 23. exd5 Nxd5 24. Bxg6 Re7 25. Qxh5 Kg8 26. Be4 Bc6 27. Rd3 Be8 28. Rg3+ Rg7 29. Qh7+ Kf8 30. Qxg7# 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.23"]
[Round "9"]
[White "Vunder, Andrei"]
[Black "Kovalev, Egor"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2101"]
[BlackElo "2218"]
[PlyCount "110"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. c4 Bg7 5. Nc3 0-0 6. Be2 cxd4 7. exd4 d5 8. 0-0 Nc6 9. h3 dxc4 10. Bxc4 Na5 11. Be2 Be6 12. Bg5 Rc8 13. Re1 Nc4 14. Qb3 Nb6 15. Qa3 a6 16. Rac1 h6 17. Bh4 Nc4 18. Bxc4 Rxc4 19. Bg3 Kh7 20. Rcd1 Re8 21. Rxe6 fxe6 22. Qb3 b5 23. Ne5 Rxd4 24. Rxd4 Qxd4 25. Qc2 Kg8 26. Qxg6 b4 27. Ng4 Rf8 28. Be5 Qd2 29. Ne4 Qc1+ 30. Kh2 Nxg4+ 31. hxg4 Rf7 32. Bxg7 Rxg7 33. Qxe6+ Kh7 34. Qf5+ Kg8 35. Qe6+ Kh8 36. Kg3 a5 37. b3 Kh7 38. Qf5+ Kg8 39. Qe6+ Rf7 40. Kh2 Qb2 41. Qg6+ Qg7 42. Qe6 Kh8 43. f3 Rf8 44. Qd5 Rb8 45. Qxa5 e6 46. Ng3 Qd4 47. Ne4 Rc8 48. Qh5 Kg7 49. Qb5 Rd8 50. g5 Rh8 51. Kg3 hxg5 52. Qxg5+ Kf7 53. Qf4+ Kg7 54. Qg5+ Kf7 55. Qf4+ Kg7 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.22"]
[Round "8"]
[White "Nesterov, Arseniy"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2355"]
[BlackElo "2101"]
[PlyCount "97"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nc3 b6 8. Be2 Nbd7 9. cxd5 exd5 10. 0-0 Bb7 11. Bxf6 Nxf6 12. Ne5 Nd7 13. Nd3 Re8 14. b4 c6 15. b5 c5 16. Bf3 Nf6 17. dxc5 Bxc5 18. Qb3 Ne4 19. Nxc5 bxc5 20. Rfd1 Nxc3 21. Qxc3 d4 22. Qxc5 Bxf3 23. Rxd4 Qf6 24. gxf3 Qxf3 25. Rf4 Qb7 26. Qc6 Qe7 27. a4 Rac8 28. Qf3 Rc5 29. Rd1 Rec8 30. Qe4 Qg5+ 31. Rg4 Qh5 32. Qd4 Rg5 33. Rxg5 Qxg5+ 34. Kh1 Qf5 35. Qf4 Qxf4 36. exf4 Rc4 37. a5 Ra4 38. a6 Rb4 39. Rd8+ Kh7 40. Rb8 Ra4 41. Rb7 Ra5 42. f5 f6 43. Kg2 h5 44. Kf3 Kh6 45. Ke4 h4 46. Kd5 Kg5 47. Rxg7+ Kxf5 48. Kc6 Kf4 49. Rxa7 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.21"]
[Round "7"]
[White "Vunder, Andrei"]
[Black "Nikitenko, Mihail"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2101"]
[BlackElo "2374"]
[PlyCount "83"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. Nf3 Bg7 4. c3 Nd7 5. Bd3 e5 6. 0-0 Ngf6 7. Re1 0-0 8. Bg5 h6 9. Bh4 b6 10. Nbd2 Bb7 11. Qc2 Qe8 12. dxe5 dxe5 13. b4 Nh5 14. Rad1 Nf4 15. Bf1 Ne6 16. Bc4 Kh8 17. Qb3 Nf4 18. Bg3 Nh5 19. Bh4 Ndf6 20. Qc2 Rd8 21. Rc1 Nf4 22. Bf1 g5 23. Bg3 Ng6 24. h3 Nh5 25. Nc4 Nxg3 26. fxg3 Qc6 27. Nfd2 h5 28. Ne3 h4 29. gxh4 Nxh4 30. Bc4 Bc8 31. Bd5 Qg6 32. Ndf1 Qh7 33. Ng3 c6 34. Bxc6 Bxh3 35. Bd5 f5 36. exf5 Rxd5 37. Nxd5 Bxg2 38. Qxg2 Nxg2 39. Kxg2 Bh6 40. Rh1 Kg8 41. c4 Rf7 42. Ne4 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.20"]
[Round "6"]
[White "Litvinov, Maxim"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2322"]
[BlackElo "2101"]
[PlyCount "66"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. Bb5+ Nc6 7. g4 Bg6 8. Ne5 Rc8 9. d4 e6 10. Qe2 Bb4 11. h4 Nge7 12. h5 Be4 13. f3 0-0 14. Bxc6 Nxc6 15. Nxc6 Rxc6 16. Kf2 f5 17. fxe4 fxe4+ 18. Kg2 Bxc3 19. bxc3 Rxc3 20. Bd2 Rcf3 21. Raf1 e5 22. Qe1 Qc8 23. Rxf3 exf3+ 24. Kf2 Qxg4 25. Rh2 Qxd4+ 26. Qe3 Qxe3+ 27. Bxe3 d4 28. Bg5 e4 29. Rh4 e3+ 30. Kf1 Re8 31. Rf4 f2 32. Ke2 Rc8 33. Kd1 Rxc2 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.19"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Bazyrtsyrenov, Kirill"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2101"]
[BlackElo "1912"]
[PlyCount "75"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. c4 Bg7 5. Nc3 0-0 6. Be2 cxd4 7. exd4 d5 8. 0-0 Nc6 9. h3 Bf5 10. c5 Ne4 11. Bf4 Qd7 12. Bb5 f6 13. Re1 Rae8 14. Bh2 a6 15. Ba4 Nxc3 16. bxc3 g5 17. c4 e6 18. Bd6 dxc4 19. Bc2 Bxc2 20. Qxc2 Rf7 21. Qxc4 b5 22. Qe2 Bf8 23. d5 Nd8 24. Bxf8 Rfxf8 25. d6 Nc6 26. a4 Rb8 27. axb5 Rxb5 28. Qc4 Na5 29. Qxe6+ Qxe6 30. Rxe6 Nb3 31. c6 Nxa1 32. d7 Kf7 33. c7 Rbb8 34. Rxa6 Nc2 35. Rc6 Rbc8 36. dxc8Q Rxc8 37. Rxc2 Ke7 38. Nd4 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.18"]
[Round "4"]
[White "Tran, Minh Thang"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2335"]
[BlackElo "2101"]
[PlyCount "161"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nd2 Nc6 5. Ngf3 cxd4 6. exd4 Bf5 7. c3 e6 8. Ne5 Bd6 9. Qb3 Qc7 10. Ndf3 0-0 11. Be2 Nd7 12. Nxd7 Qxd7 13. Bxd6 Qxd6 14. 0-0 Rab8 15. Nh4 Be4 16. f3 Qf4 17. g3 Qe3+ 18. Rf2 Bg6 19. Ng2 Qg5 20. a4 Qd8 21. Nf4 a6 22. Qa3 Re8 23. Bf1 Qc7 24. Kg2 Rbd8 25. Qc5 e5 26. dxe5 Rxe5 27. Nxg6 hxg6 28. Rd1 d4 29. Qc4 dxc3 30. Rxd8+ Qxd8 31. Qxc3 Qe7 32. Bxa6 Re3 33. Qc4 bxa6 34. Qxc6 Re6 35. Qc4 a5 36. Rc2 g5 37. Qb5 Re5 38. Rc8+ Kh7 39. Qd3+ g6 40. Qc3 Qe6 41. Rf8 Kg7 42. Rd8 Kh7 43. g4 Qe7 44. Rc8 Qe6 45. Kh3 Qa6 46. Rh8+ Kxh8 47. Qxe5+ Kg8 48. Kg2 Qd3 49. Qxa5 Qe2+ 50. Kg3 Qxb2 51. Qxg5 Qa1 52. Qf4 Qg1+ 53. Kh4 Qe1+ 54. Kg5 Qe7+ 55. Qf6 Qc5+ 56. Kh6 Qf8+ 57. Kg5 Qc5+ 58. Kh4 Qf2+ 59. Kh3 Qf1+ 60. Kg3 Qg1+ 61. Kf4 Qc1+ 62. Ke4 Qc2+ 63. Ke3 Qxa4 64. h4 Qb3+ 65. Kf2 Qc2+ 66. Kg3 Qc5 67. Qb2 Qd6+ 68. Kh3 Qf4 69. Qe2 Qc1 70. Qe8+ Kg7 71. Qe5+ Kg8 72. h5 Qg1 73. Qe8+ Kg7 74. h6+ Kf6 75. Qd8+ Ke6 76. Qd2 Qh1+ 77. Kg3 g5 78. Qe3+ Kd6 79. Qd3+ Ke6 80. Qf5+ Kd6 81. Qf6+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.17"]
[Round "3"]
[White "Vunder, Andrei"]
[Black "Ovchinnikov, Vsevolod"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2101"]
[BlackElo "2343"]
[PlyCount "68"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bg5 Bb7 4. Nbd2 e6 5. e3 h6 6. Bh4 d6 7. h3 g5 8. Bg3 Rg8 9. Bd3 h5 10. e4 Nc6 11. c3 h4 12. Bh2 Bh6 13. Qe2 Nd7 14. Nc4 Qe7 15. Ne3 Bg7 16. 0-0-0 0-0-0 17. Ba6 Ncb8 18. Bxb7+ Kxb7 19. Rhe1 Nf8 20. Kb1 Ng6 21. Qb5 c6 22. Qb3 d5 23. exd5 cxd5 24. Nf5 Qf8 25. Nxg7 Qxg7 26. Nxg5 Qf6 27. Nf3 Nf4 28. Bxf4 Qxf4 29. Rg1 Rg7 30. Qc2 Rdg8 31. Ne1 Qh2 32. Nf3 Qf4 33. Ne1 Qh2 34. Nf3 Qf4 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.16"]
[Round "2"]
[White "Vozmilov, Lev"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1375"]
[BlackElo "2101"]
[PlyCount "110"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[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. Ne4 0-0-0 15. g3 Be7 16. Kb1 c5 17. Bf4 Qc6 18. Nxf6 Bxf6 19. d5 exd5 20. Qxd5 Ne5 21. Qxc6+ Nxc6 22. c3 Rhe8 23. Rxd8+ Bxd8 24. Re1 Rxe1+ 25. Nxe1 Bc7 26. Bxc7 Kxc7 27. Kc2 Kd6 28. f4 Ne7 29. Kd3 Nd5 30. Nf3 Nf6 31. Ne5 Nxh5 32. Nxf7+ Ke7 33. Ne5 Nxg3 34. Kc4 Ne2 35. Nd3 h5 36. Kxc5 Ke6 37. c4 h4 38. f5+ Kxf5 39. Kd6 Nf4 40. Nf2 Ne6 41. b4 g5 42. c5 g4 43. Nxg4 Kxg4 44. Kxe6 h3 45. b5 h2 46. c6 bxc6 47. bxc6 h1Q 48. Kd7 Qd5+ 49. Kc7 Kf5 50. a4 Ke6 51. Kb7 Kd6 52. Kxa7 Qxc6 53. a5 Kc7 54. a6 Qb6+ 55. Ka8 Qb8# 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.15"]
[Round "1"]
[White "Vunder, Andrei"]
[Black "Zvjaginsev, Vadim"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2101"]
[BlackElo "2643"]
[PlyCount "81"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c3 Nbd7 4. Nbd2 g6 5. e4 Bg7 6. Bd3 0-0 7. 0-0 Re8 8. Re1 e5 9. dxe5 Nxe5 10. Nxe5 Rxe5 11. Nf3 Bg4 12. h3 Bxf3 13. Qxf3 g5 14. Be3 c5 15. Qg3 h6 16. h4 Nh5 17. Qg4 gxh4 18. f4 Nf6 19. Qxh4 Re8 20. Bf2 Qd7 21. Rad1 Qg4 22. Qxg4 Nxg4 23. Bb5 Red8 24. Bh4 Bf6 25. Bxf6 Nxf6 26. Bc4 Kf8 27. Kf2 Rab8 28. a4 a6 29. a5 Rd7 30. Kf3 Re8 31. Bb3 Rb8 32. e5 dxe5 33. fxe5 Rxd1 34. Rxd1 Ng8 35. Rd7 Ne7 36. Bc4 Ke8 37. Rd6 Nc6 38. Ke4 Nxa5 39. Rxh6 Ke7 40. Bd5 Nc6 41. Rh7 1/2-1/2

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Vunder, Andrei"]
[Black "Belenkaya, Dina"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2161"]
[BlackElo "2346"]
[PlyCount "98"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nbd2 cxd4 6. exd4 Qb6 7. Nb3 Bg4 8. Be2 e6 9. h3 Bh5 10. c3 Be7 11. Ne5 Bxe2 12. Qxe2 0-0 13. 0-0 Rad8 14. Rfe1 a5 15. Nc1 a4 16. a3 Ne4 17. Ncd3 Na5 18. f3 Nf6 19. Bg5 Rfe8 20. g4 Rc8 21. Kg2 Bd6 22. Rad1 Nc4 23. Bxf6 gxf6 24. Nxc4 Rxc4 25. Qd2 Kg7 26. Re2 Qc7 27. f4 h6 28. Rf1 Ra8 29. Kh1 Kh7 30. Qc2 Kh8 31. Qd2 Kh7 32. Qc2 Kg7 33. Qd2 b6 34. Qe1 Rh8 35. Rf3 Qb7 36. Qf1 Qb8 37. Qe1 h5 38. Qg3 Kf8 39. Qh4 Be7 40. g5 f5 41. Ne5 Rc7 42. Qe1 Rg8 43. Rg2 Bd6 44. Rfg3 Qe8 45. Qe2 Bxe5 46. Qxe5 Qe7 47. g6 f6 48. Qe2 Qd6 49. Rf2 Rh8 1/2-1/2

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Kamalidenova, Meruert"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1897"]
[BlackElo "2161"]
[PlyCount "68"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. Bg5 c4 10. b3 cxb3 11. Qxb3 Na5 12. Qc2 Be6 13. Ne5 Rc8 14. Qd3 a6 15. a4 Nc4 16. Rab1 Nd6 17. Rb3 Nfe4 18. Bxe7 Qxe7 19. Nd1 f6 20. Nf3 Qd7 21. Nb2 Rc7 22. Nd2 Rfc8 23. Rd1 Bf5 24. Nxe4 Nxe4 25. Qf3 Bg4 26. Qd3 Bf5 27. Qf3 Rc2 28. Re1 Rc1 29. Rd1 Rxd1+ 30. Nxd1 Rc1 31. Rd3 Nc3 32. Rd2 Nxd1 33. Qxd5+ Be6 34. Qxd7 Ne3+ 0-1

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Dmitriev, Vladimir"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2013"]
[BlackElo "2161"]
[PlyCount "64"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Ngf3 Nf6 6. e5 Nd7 7. Bd3 g6 8. h4 Qb6 9. h5 Rg8 10. hxg6 hxg6 11. a4 cxd4 12. a5 Nxa5 13. Qa4 Nc6 14. cxd4 Qb4 15. Qd1 Nxd4 16. Nxd4 Qxd4 17. Nf3 Qb6 18. Rh7 Bg7 19. Qe2 Nc5 20. Bc2 Bd7 21. Ng5 Bb5 22. Qf3 Qc7 23. b4 Qxe5+ 24. Kd1 Qd4+ 25. Ke1 Qc3+ 26. Kd1 Qxf3+ 27. gxf3 Nd3 28. Ra5 a6 29. Rxb5 Nxf2+ 30. Ke2 axb5 31. Bb3 Ra1 32. Kd2 Nd3 0-1

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Vunder, Andrei"]
[Black "Arbuzov, Timofey"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2161"]
[BlackElo "1658"]
[PlyCount "120"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. h3 Nbd7 6. Bf4 0-0 7. e3 c6 8. Be2 Re8 9. 0-0 a5 10. Bh2 b6 11. Qc2 Bb7 12. Rfd1 Qc7 13. Rac1 e5 14. a3 h6 15. b4 axb4 16. axb4 Bf8 17. Qb3 exd4 18. Nxd4 Ne5 19. Nf3 Ra7 20. c5 dxc5 21. Nxe5 Rxe5 22. bxc5 b5 23. Bxe5 Qxe5 24. Bf3 Bxc5 25. Rd8+ Kg7 26. Qd1 Ra3 27. Nxb5 Ra2 28. Nd6 Rxf2 29. Rxc5 Qxe3 30. Ne8+ Nxe8 31. Qd4+ Qxd4 32. Rxd4 Rb2 33. Rd8 Nc7 34. Rc1 Ne6 35. Rd7 Nf4 36. Re1 Bc8 37. Rc7 Be6 38. Rxc6 Bd5 39. Bxd5 Nxd5 40. Rc4 Rb4 41. Rxb4 Nxb4 42. Rd1 Nc6 43. Kf2 h5 44. Rd5 Ne7 45. Ra5 Nf5 46. Kf3 Nd4+ 47. Ke4 Ne6 48. Ke5 Ng5 49. Ra6 Nh7 50. Ra7 Ng5 51. Kd6 Ne6 52. Ke7 Nf4 53. Ra2 Ne6 54. Rf2 Nd4 55. Rxf7+ Kh6 56. Kf6 Ne2 57. Rf8 Kh7 58. Kg5 Kg7 59. Rf6 Ng3 60. Rxg6+ Kf7 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2161"]
[BlackElo "1923"]
[PlyCount "126"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Nbd7 9. b4 Nh5 10. Bc7 Rc8 11. Be5 a6 12. h3 Nhf6 13. Bh2 Be7 14. Nf3 h6 15. Nd2 Bd8 16. Nb3 Bc7 17. Bxc7 Rxc7 18. b5 0-0 19. bxa6 bxa6 20. Na5 Rb8 21. b3 e5 22. Kd2 exd4 23. exd4 Nf8 24. f3 Ne6 25. Ra4 g5 26. g3 Bg6 27. Bd3 Bxd3 28. Kxd3 h5 29. h4 g4 30. f4 Ng7 31. f5 Kf8 32. Rf1 Ke7 33. Ra2 Rb4 34. Re2+ Kd7 35. Re5 Rb8 36. Rfe1 Re8 37. R1e2 Kd8 38. R2e3 Rxe5 39. dxe5 Nd7 40. e6 fxe6 41. fxe6 Nxc5+ 42. Kc2 Ncxe6 43. Re5 Ke7 44. b4 Kd6 45. Re1 Nf5 46. Ne2 c5 47. Kb3 c4+ 48. Kc3 d4+ 49. Nxd4 Nexd4 50. Nxc4+ Kd7 51. Re5 Nb5+ 52. Kd3 Nxg3 53. Rg5 Ke6 54. Rg6+ Kf5 55. Rxa6 Kf4 56. Rf6+ Nf5 57. Nb6 Rc3+ 58. Kd2 Ra3 59. Nc4 Rb3 60. Nb6 g3 61. Re6 g2 62. Nd5+ Kg3 63. Rg6+ Kh2 0-1

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Predke, Alexandr"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2601"]
[BlackElo "2161"]
[PlyCount "41"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Qc2 Nbd7 7. Nc3 h6 8. Bh4 c5 9. dxc5 Nxc5 10. Rd1 Qa5 11. Nd2 Rd8 12. a3 d4 13. exd4 Rxd4 14. b4 Qxa3 15. Bxf6 Bxf6 16. bxc5 Bd7 17. Be2 Bc6 18. Nb5 Bxb5 19. cxb5 Rad8 20. 0-0 Qb4 21. Nb3 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Vunder, Andrei"]
[Black "Vasilyev, Alexey"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2161"]
[BlackElo "1794"]
[PlyCount "54"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 Be7 5. c4 0-0 6. Nc3 b6 7. cxd5 exd5 8. Bd3 a6 9. 0-0 Bb7 10. Rc1 Nbd7 11. Ne5 c5 12. Qf3 Re8 13. Rfd1 cxd4 14. exd4 b5 15. a4 b4 16. Nb1 Nf8 17. Nc6 Bxc6 18. Rxc6 Qd7 19. Rdc1 Rec8 20. Rc7 Rxc7 21. Rxc7 Qd8 22. Rc1 Ne6 23. Be5 Nd7 24. Bg3 Nf6 25. Be5 Nd7 26. Bg3 Nf6 27. Be5 Nd7 1/2-1/2

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Vastrukhin, Oleg"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2386"]
[BlackElo "2161"]
[PlyCount "95"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. Ne5 Bh5 6. d4 Nbd7 7. c4 e6 8. Nc3 Nxe5 9. dxe5 Nd7 10. cxd5 cxd5 11. Qa4 a6 12. Rd1 Be7 13. h4 0-0 14. g4 Nc5 15. Qd4 Bg6 16. h5 Be4 17. Bxe4 Nxe4 18. Nxe4 dxe4 19. Be3 Qxd4 20. Rxd4 Rac8 21. Rd7 Bc5 22. Rxb7 Bxe3 23. fxe3 Rc5 24. Rf1 Rxe5 25. Rf4 f5 26. b4 Rb5 27. Ra7 Rb6 28. a3 g6 29. h6 Rf7 30. Ra8+ Rf8 31. Rxf8+ Kxf8 32. Rf1 a5 33. bxa5 Ra6 34. g5 Rxa5 35. Rb1 Ra8 36. Rb7 Kg8 37. Kf2 e5 38. a4 Rxa4 39. Rb8+ Kf7 40. Rh8 f4 41. Rxh7+ Ke6 42. Rg7 fxe3+ 43. Kg2 Ra2 44. h7 Rxe2+ 45. Kg3 Rh2 46. Kxh2 e2 47. h8Q e1Q 48. Qc8+ 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Vunder, Andrei"]
[Black "Koltsova, Alisa"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2161"]
[BlackElo "1378"]
[PlyCount "67"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. c4 dxc4 4. Nc3 Nf6 5. e3 e6 6. Bxc4 Nc6 7. Nf3 Bd6 8. Bg5 Be7 9. Bb5 0-0 10. Bxc6 bxc6 11. Ne5 Qd6 12. Qa4 c5 13. Nc6 cxd4 14. exd4 a6 15. 0-0 Rfe8 16. h3 Bd3 17. Rfd1 Bg6 18. Rac1 h6 19. Bh4 Bh5 20. Re1 g5 21. Bg3 Qd7 22. Be5 Bg6 23. Nxe7+ Qxe7 24. Bxf6 Qxf6 25. Nd5 Qd8 26. Nxc7 Kf8 27. d5 Qd6 28. dxe6 fxe6 29. Nxa8 Rxa8 30. Qc6 Qxc6 31. Rxc6 Bf7 32. Re3 Ra7 33. Ra3 Ke8 34. Rcxa6 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.24"]
[Round "9"]
[White "Vunder, Andrei"]
[Black "Heinis, Vincent"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2199"]
[BlackElo "2081"]
[PlyCount "80"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bg5 d6 5. Nbd2 0-0 6. e4 c5 7. dxc5 dxc5 8. Bc4 Nc6 9. Qe2 Qc7 10. 0-0 Na5 11. Bd3 h6 12. Bh4 Nh5 13. Qe3 g5 14. Bg3 Nxg3 15. hxg3 Be6 16. Qe2 Rfd8 17. Rfd1 Qb6 18. Rdb1 Rd7 19. Nc4 Nxc4 20. Bxc4 Rad8 21. Bxe6 Qxe6 22. Re1 a6 23. a4 g4 24. Nh2 Rd2 25. Rad1 Rxe2 26. Rxd8+ Kh7 27. Rxe2 h5 28. Rd5 Kg6 29. Rxc5 Qd7 30. Rd5 Qxa4 31. Nf1 e6 32. Rdd2 Bh6 33. Rc2 b5 34. f3 Qa1 35. Kf2 Qd1 36. Ne3 Qd3 37. f4 h4 38. Rcd2 hxg3+ 39. Kxg3 Qxe4 40. Rd4 Bxf4+ 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.23"]
[Round "8"]
[White "Yatzenko, Anton"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2369"]
[BlackElo "2199"]
[PlyCount "45"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 a5 11. Nc3 Na6 12. Rfd1 Nb4 13. Rac1 Nfd5 14. Bxe7 Qxe7 15. Ne5 Ra6 16. Nxc6 Rxc6 17. Qb5 Nxc3 18. bxc3 Rb6 19. Qxa5 Na2 20. Qc5 Qd7 21. Ra1 Qxa4 22. Rd2 Ra8 23. Qxc7 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.22"]
[Round "7"]
[White "Vunder, Andrei"]
[Black "Nazaretyan, Tigran"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2199"]
[BlackElo "2335"]
[PlyCount "127"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Nbd2 Bf5 4. Nh4 Bd7 5. Nhf3 c5 6. dxc5 dxc5 7. e4 Nc6 8. c3 g6 9. Bc4 Qc7 10. 0-0 Bg7 11. Re1 Nh5 12. Bf1 0-0 13. a4 Rad8 14. Qc2 h6 15. Nc4 e5 16. Ne3 Be6 17. Bc4 Nf4 18. g3 Bxc4 19. Nxc4 Qd7 20. Bxf4 exf4 21. e5 g5 22. Qe4 f5 23. exf6 Rxf6 24. Nce5 Nxe5 25. Nxe5 Qf5 26. Qc4+ Kh7 27. g4 Qe6 28. Qxe6 Rxe6 29. Nc4 Rde8 30. Kf1 f3 31. Nd2 Be5 32. Nxf3 Bf4 33. Rxe6 Rxe6 34. Re1 Rb6 35. Rb1 c4 36. h3 Kg6 37. Nd4 Bd2 38. Nb5 Ra6 39. Rd1 Bf4 40. Rd4 Rxa4 41. Na3 Bc1 42. Nxc4 Kf6 43. b3 Ra2 44. Rd6+ Ke7 45. Rxh6 b5 46. Nd6 a6 47. b4 Ra3 48. Ne4 Kf7 49. Rc6 Kg7 50. Kg2 Bf4 51. Nc5 a5 52. Ne6+ Kf7 53. bxa5 Bd2 54. a6 Bxc3 55. Nxg5+ Ke7 56. Ne4 Bd4 57. Nd6 Be5 58. Nxb5 Ra5 59. Rb6 Ra2 60. h4 Bf4 61. Kf3 Bh2 62. a7 Bg1 63. Rb8 Rxf2+ 64. Kg3 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.21"]
[Round "6"]
[White "Yurasova, Daria"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1996"]
[BlackElo "2199"]
[PlyCount "136"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c5 5. cxd5 exd5 6. Bg2 Nc6 7. dxc5 Bxc5 8. 0-0 0-0 9. Qc2 Bb6 10. Bg5 h6 11. Bxf6 Qxf6 12. Nc3 Rd8 13. Rfd1 d4 14. Na4 Bf5 15. Qc1 d3 16. exd3 Bg4 17. Nxb6 axb6 18. Qc3 Nd4 19. Nxd4 Bxd1 20. Bxb7 Ra4 21. Rxd1 Qxd4 22. Qxd4 Raxd4 23. Ba6 Ra4 24. Bb5 Rxa2 25. b3 Rda8 26. Kg2 Ra1 27. Rxa1 Rxa1 28. Bc4 Rb1 29. h4 Rb2 30. Kf3 Kf8 31. Ke3 Ke7 32. f3 f6 33. h5 Kd6 34. Ke4 Re2+ 35. Kf4 Re5 36. Kg4 Rg5+ 37. Kh4 b5 38. Bg8 Rc5 39. f4 Rc3 40. d4 Rd3 41. Kg4 Rxd4 42. Kf5 Ke7 43. g4 Rd8 44. Be6 Rd3 45. Bg8 Rg3 46. Bd5 Kd6 47. Bg8 Kc5 48. Be6 Re3 49. Bf7 Rg3 50. Be6 Kd6 51. Bg8 Rg1 52. Bf7 Ke7 53. Bd5 Rd1 54. Bc6 b4 55. Kg6 Kf8 56. Kf5 Rd3 57. Ba4 Rg3 58. Ke4 Rxg4 59. Bb5 Rg3 60. Bc4 Rh3 61. Kd5 Rxh5+ 62. Kc6 Rf5 63. Kb6 Ke7 64. Bd3 Rxf4 65. Kc5 g5 66. Bc4 g4 67. Kxb4 g3 68. Kc3 g2 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.20"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Schekachikhin, Maksim"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2199"]
[BlackElo "2355"]
[PlyCount "142"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 d5 5. Nbd2 Nc6 6. c3 Bd6 7. Bg3 0-0 8. Bb5 Bxg3 9. hxg3 Qb6 10. a4 h6 11. 0-0 Bd7 12. Qb3 Rfc8 13. Be2 Qc7 14. Qa3 c4 15. a5 Qd8 16. b3 b5 17. b4 Ne4 18. Qb2 f5 19. Rfe1 Qf6 20. Nf1 g5 21. N3d2 g4 22. f3 gxf3 23. gxf3 Ng5 24. f4 Ne4 25. Nxe4 dxe4 26. Bd1 Ne7 27. Qh2 Nd5 28. Rc1 Kf7 29. Re2 Ke7 30. Qh3 Kd6 31. Rh2 Rh8 32. Qh4 Qg7 33. Kf2 Rag8 34. Rc2 Kc7 35. Ke1 Qf8 36. Rhd2 Be8 37. Be2 h5 38. Bd1 Bf7 39. Be2 Qd8 40. Qh3 Qe7 41. Bd1 Kb7 42. Rh2 Ka8 43. Qh4 Qd6 44. Rhd2 a6 45. Rh2 Ka7 46. Rhd2 Rc8 47. Qg5 h4 48. Qg7 Qc7 49. gxh4 Rcg8 50. Qe5 Qe7 51. h5 Bxh5 52. Rh2 Bxd1 53. Rxh8 Rxh8 54. Rg2 Rh7 55. Rg8 Qc7 56. Qxe6 Rd7 57. Kxd1 Nxc3+ 58. Ke1 Nd5 59. Qe8 Qb7 60. Qf8 Rc7 61. Qxf5 Ne7 62. Qf8 Nxg8 63. Qxg8 c3 64. Kd1 Qc6 65. Kc2 Qd6 66. Qb3 Rc4 67. Kc1 Qg6 68. Qc2 Rxb4 69. Qf2 Rc4 70. Ng3 c2 71. f5 Qd6 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.19"]
[Round "4"]
[White "Grachev, Alexey"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1956"]
[BlackElo "2199"]
[PlyCount "80"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Bxc6 Rb8 10. Nc3 Bb7 11. Bg2 Bxg2 12. Kxg2 c5 13. dxc5 Bxc5 14. Rb1 Bd4 15. Bf4 Rb7 16. e3 Bc5 17. Qf3 Rd7 18. Qe2 Rd3 19. Rfd1 Nd5 20. Rxd3 Nxf4+ 21. exf4 cxd3 22. Qe4 Qd7 23. Rd1 Rd8 24. Rd2 Be7 25. Qf3 Bb4 26. a3 Bxc3 27. bxc3 Qb5 28. Qe4 g6 29. Qb4 Qd5+ 30. f3 a5 31. Qb6 Rc8 32. Qb2 Qc4 33. Qb7 Rd8 34. Qb2 h5 35. Kh3 Rd5 36. Kg2 Rb5 37. Qc1 Rb3 38. Qd1 Rxc3 39. a4 Rc2 40. Kh3 Rc1 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.18"]
[Round "3"]
[White "Vunder, Andrei"]
[Black "Golubev, Roman"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2199"]
[BlackElo "2404"]
[PlyCount "94"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. c3 d6 6. e4 c5 7. dxc5 dxc5 8. Bc4 Nc6 9. Qe2 Qc7 10. 0-0 Na5 11. Bd3 Be6 12. Nc4 Nc6 13. Ne3 Rad8 14. Rfd1 Ng4 15. Bc4 Nxe3 16. Bxe3 Bxc4 17. Qxc4 b6 18. h3 Na5 19. Qe2 Rd7 20. Rxd7 Qxd7 21. Rd1 Qa4 22. Bg5 Qxa2 23. Bxe7 Re8 24. Rd7 Qe6 25. Rxa7 Rxe7 26. Ng5 Qd6 27. Ra8+ Bf8 28. Qg4 h6 29. Qh4 Kg7 30. Rxf8 Kxf8 31. Qxh6+ Ke8 32. Qh8+ Kd7 33. Nh7 Kc7 34. Nf6 Kb7 35. Qg7 Nc6 36. Nd5 Rxe4 37. Qxf7+ Ne7 38. Ne3 Rf4 39. Qe8 Nc6 40. Nc4 Qe7 41. Qg8 b5 42. Ne3 Qf7 43. Qh8 Rxf2 44. Qh4 Rxb2 45. Qg5 Rb1+ 46. Kh2 Qc7+ 47. g3 Rb2+ 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.17"]
[Round "2"]
[White "Razumovskiy, Mikhail"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1849"]
[BlackElo "2199"]
[PlyCount "64"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Nbd2 Nbd7 11. Nb3 Be4 12. Qd1 c5 13. dxc5 Nxc5 14. Nxc5 Bxc5 15. Bg5 Qb6 16. Bxf6 gxf6 17. Qd2 Kg7 18. Qf4 Bg6 19. h4 Rad8 20. Qg4 h5 21. Qf4 e5 22. Qc1 e4 23. Nh2 Rc8 24. Qf4 Bd6 25. Qd2 Rfd8 26. e3 Bxg3 27. Qe2 Bxh4 28. Bh3 Rc5 29. Kh1 Qd6 30. Rad1 Rd5 31. Rxd5 Qxd5 32. a3 Qd2 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.16"]
[Round "1"]
[White "Vunder, Andrei"]
[Black "Golikov, Sergei"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2199"]
[BlackElo "1737"]
[PlyCount "80"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nf6 4. c3 cxd4 5. cxd4 Ne4 6. Nc3 Qa5 7. Bxb8 Nxc3 8. Qd2 Rxb8 9. Ne2 e6 10. Nxc3 a6 11. Bd3 Bd6 12. 0-0 0-0 13. f4 g6 14. a3 Bd7 15. b4 Qd8 16. b5 Qa5 17. Qb2 Rfc8 18. Rfc1 axb5 19. Nxb5 Rxc1+ 20. Rxc1 Bxb5 21. Bxb5 Bxa3 22. Ra1 Bxb2 23. Rxa5 b6 24. Ra2 Bc3 25. Rc2 Ba5 26. Rc7 Rf8 27. Kf1 Kg7 28. g4 h6 29. h4 g5 30. fxg5 hxg5 31. h5 Kh6 32. Ke2 f5 33. Bd3 Rf6 34. Rb7 Rf8 35. Re7 Rf6 36. Rb7 Rf8 37. Re7 Rf6 38. Rb7 Rf8 39. Re7 Rf6 40. Rb7 Rf8 1/2-1/2

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.23"]
[Round "9"]
[White "Schekachikhin, Maksim"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2347"]
[BlackElo "2147"]
[PlyCount "73"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. Qc2 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. g4 c5 12. 0-0-0 Nc6 13. h4 Nb4 14. Qd2 cxd4 15. Nxd4 Qc8 16. Kb1 Qxg4 17. Bh3 Qh5 18. Nce2 Nc6 19. Ng3 Qe5 20. f4 Qe7 21. Ndf5 Qd8 22. Nh5 Kh8 23. Rhg1 Rg8 24. Qg2 Ne7 25. Nxf6 gxf6 26. Qf3 Nxf5 27. Bxf5 Bc8 28. Bc2 f5 29. Qh5 Qf6 30. Rxg8+ Kxg8 31. Rxd5 Be6 32. Re5 Rc8 33. Bxf5 Qd8 34. Rxe6 Qd2 35. Rg6+ Kf8 36. Qxh6+ Ke7 37. Qg5+ 1-0

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.22"]
[Round "8"]
[White "Vunder, Andrei"]
[Black "Musaev, Rasul"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2147"]
[BlackElo "2312"]
[PlyCount "49"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nd7 5. Bd3 e5 6. 0-0 Ne7 7. Re1 0-0 8. Na3 h6 9. Nc4 g5 10. Ne3 Ng6 11. g3 Re8 12. Nf5 g4 13. Bxh6 Bxh6 14. Nxh6+ Kg7 15. Nxg4 Rh8 16. Ne3 Nf6 17. Nf5+ Kf8 18. dxe5 dxe5 19. Bc4 Qe8 20. Ng5 Be6 21. Qb3 Nxe4 22. Rxe4 Bxf5 23. Bxf7 Qe7 24. Bxg6 Qxg5 25. Qf7# 1-0

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.21"]
[Round "7"]
[White "Shavykin, Oleg"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "2147"]
[PlyCount "44"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be3 e6 5. Nc3 Nd7 6. g4 Bg6 7. Nge2 f6 8. exf6 gxf6 9. h4 Bd6 10. h5 Bf7 11. Qd2 Qc7 12. 0-0-0 0-0-0 13. f4 Ne7 14. Ng1 Rdg8 15. Be2 Nb6 16. b3 Bb4 17. Rh3 Nc4 18. bxc4 Qa5 19. Rf1 Bxc3 20. Qd3 dxc4 21. Qxc4 Nd5 22. g5 Nxe3 0-1

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.20"]
[Round "6"]
[White "Vunder, Andrei"]
[Black "Ibadov, Dashgyn"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2147"]
[BlackElo "2294"]
[PlyCount "112"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bf4 c5 4. e3 Be7 5. h3 0-0 6. Nbd2 b6 7. c3 cxd4 8. exd4 Bb7 9. Bd3 Nc6 10. 0-0 Rc8 11. Re1 Nd5 12. Bh2 f5 13. Nc4 Rf6 14. Nd6 Bxd6 15. Bxd6 Rg6 16. a3 Na5 17. Bf1 Nc4 18. Bxc4 Rxc4 19. Kh1 Nf6 20. Bf4 Qa8 21. Qe2 b5 22. Rg1 Nh5 23. Bd2 Rg3 24. Ng5 Bxg2+ 25. Kh2 Qb8 26. Qe5 Qxe5 27. dxe5 Rd3 28. Kxg2 Rxd2 29. Rad1 Nf4+ 30. Kg3 Rxd1 31. Rxd1 Nd5 32. Nf3 a5 33. Nd4 b4 34. cxb4 axb4 35. a4 Rc5 36. Ra1 Nc7 37. Nf3 Kf7 38. Rd1 Ke7 39. Rd6 Rc2 40. Rb6 Rxb2 41. Rb7 Nd5 42. Nd4 Ra2 43. Nc6+ Ke8 44. Rb8+ Kf7 45. Rb7 b3 46. Rxd7+ Ke8 47. Rd8+ Kf7 48. Rd7+ Kg6 49. Ne7+ Nxe7 50. Rxe7 f4+ 51. Kg2 b2 52. Rxe6+ Kf5 53. Rb6 Kxe5 54. a5 Kd4 55. a6 Kc3 56. Rc6+ Kd2 0-1

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.19"]
[Round "5"]
[White "Nakhodkin, Gennadiy"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2147"]
[PlyCount "98"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. e3 Qb6 5. b3 e5 6. Nf3 exd4 7. exd4 Be7 8. Bg3 Nf6 9. Bd3 0-0 10. 0-0 Bg4 11. Re1 Re8 12. c3 c5 13. dxc5 Qxc5 14. b4 Qb6 15. Nbd2 Nc6 16. a4 a6 17. h3 Be6 18. a5 Qd8 19. Nb3 Rc8 20. Rc1 Ne4 21. Bf4 Bf6 22. Nbd4 Nxc3 23. Rxc3 Nxd4 24. Rxc8 Nxf3+ 25. Qxf3 Bxc8 26. Rxe8+ Qxe8 27. Qxd5 Qe1+ 28. Kh2 Qxb4 29. Be3 Be6 30. Qf3 Qd6+ 31. Bf4 Be5 32. Bg3 Bxg3+ 33. fxg3 Qd5 34. Be4 Qxa5 35. Bxb7 Qb5 36. Bc6 Qe5 37. Ba4 a5 38. h4 g6 39. Bc6 Kg7 40. Qa3 h5 41. Qd3 Qa1 42. Qc2 Qd4 43. Be8 Bd5 44. Bb5 Kh7 45. Qe2 a4 46. Bd3 Kg7 47. g4 hxg4 48. h5 gxh5 49. Bb1 g3+ 0-1

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.18"]
[Round "4"]
[White "Vunder, Andrei"]
[Black "Ismailov, Ulugbek"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2147"]
[BlackElo "1895"]
[PlyCount "101"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 c5 5. c3 Bd6 6. Nbd2 Nc6 7. Bg3 0-0 8. Bd3 b6 9. 0-0 Bb7 10. Ne5 Ne7 11. Qb1 Rc8 12. f4 g6 13. Bh4 Nf5 14. Bxf6 Qxf6 15. Nd7 Qe7 16. Nxf8 Nxe3 17. Rf3 cxd4 18. Nxg6 hxg6 19. cxd4 Qf6 20. Nb3 Nc4 21. g3 Na5 22. Kg2 Nxb3 23. axb3 a5 24. Qg1 Bc5 25. dxc5 Qxb2+ 26. Kh1 d4 27. c6 Bxc6 28. Raf1 Bb7 29. Qf2 Qxb3 30. Qxd4 Rc3 31. Be4 Bxe4 32. Qxe4 b5 33. Rxc3 Qxc3 34. Rd1 Kh7 35. g4 a4 36. f5 exf5 37. gxf5 g5 38. h4 Qh3+ 39. Kg1 Qg3+ 40. Qg2 Qxh4 41. Qh2 a3 42. Qxh4+ gxh4 43. Rd6 b4 44. Ra6 f6 45. Ra4 Kh6 46. Rxb4 Kg5 47. Ra4 a2 48. Kg2 Kxf5 49. Rxa2 Kg5 50. Kh3 f5 51. Ra4 1-0

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.17"]
[Round "3"]
[White "Stolyarsky, Yegor"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1751"]
[BlackElo "2147"]
[PlyCount "107"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 c6 6. Nh4 Be4 7. f3 Bg6 8. Nxg6 hxg6 9. Qb3 Qc7 10. e4 dxc4 11. Bxc4 b5 12. Bxb5 cxb5 13. Nxb5 Qb6 14. Bf4 Na6 15. 0-0 Bb4 16. a3 Qxb5 17. axb4 0-0 18. Ra5 Qb6 19. Qc4 Qxb4 20. Qxb4 Nxb4 21. Bd6 Nc6 22. Rc5 Nxd4 23. Bxf8 Kxf8 24. Rd1 Rd8 25. Kf2 Rd7 26. e5 Ne8 27. Rc4 Rb7 28. Rcxd4 Rxb2+ 29. R1d2 Rxd2+ 30. Rxd2 Nc7 31. Rd7 Nb5 32. Rb7 a6 33. Rb8+ Ke7 34. Rb7+ Ke8 35. Ke3 Nc3 36. Kd4 Nb5+ 37. Kc5 g5 38. Rb6 g6 39. Rxa6 Nc3 40. Ra3 Nd5 41. Kd6 Kf8 42. Ra8+ Kg7 43. Ra5 Ne3 44. Ra4 Nxg2 45. Ke7 Ne3 46. Ke8 Nf5 47. Rg4 Nh4 48. f4 Nf3 49. Rg3 Nxh2 50. fxg5 Kg8 51. Ke7 Kg7 52. Re3 Kg8 53. Re4 Nf3 54. Kf6 1-0

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.16"]
[Round "2"]
[White "Vunder, Andrei"]
[Black "Mukhtarova, Anastasiia"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2147"]
[BlackElo "1869"]
[PlyCount "111"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Bb4+ 6. Nbd2 0-0 7. 0-0 d5 8. a3 Be7 9. b3 c5 10. Bb2 Nc6 11. Qe2 Re8 12. Rad1 Qc7 13. Ne5 Rad8 14. cxd5 exd5 15. f4 Nxe5 16. dxe5 Ne4 17. Nxe4 dxe4 18. Bc4 Rxd1 19. Rxd1 Rd8 20. e6 f6 21. Rd7 Rxd7 22. exd7+ Kh8 23. Qg4 Qd6 24. Qe6 Qxe6 25. Bxe6 h6 26. g4 Kh7 27. h4 Bc6 28. Bc3 Bd8 29. b4 cxb4 30. Bxb4 a5 31. Bd6 b5 32. Kf2 g5 33. hxg5 hxg5 34. f5 Kg7 35. Ke1 Kh7 36. Kd2 Kg7 37. Kc3 Kh7 38. Kd4 Bb6+ 39. Bc5 Bd8 40. Ba7 b4 41. axb4 axb4 42. Kc5 Ba4 43. Kxb4 Bd1 44. Kb5 Bxg4 45. Bb6 Be2+ 46. Kc6 Be7 47. d8Q Bxd8 48. Bxd8 Kg7 49. Bd5 Bd3 50. Kd7 g4 51. Ke6 Kh6 52. Bxf6 Kh5 53. Be5 Kh4 54. f6 g3 55. f7 g2 56. Bh2 1-0

[Event "Chigorin Memorial 24th"]
[Site "St Petersburg"]
[Date "2016.10.15"]
[Round "1"]
[White "Alekseev, Evgeny V"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2636"]
[BlackElo "2147"]
[PlyCount "79"]
[EventDate "2016.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. d4 0-0 9. dxc5 Bxc5 10. 0-0 Bg4 11. Nc3 Rc8 12. Rc1 Bd6 13. Be2 Bb8 14. Re1 Re8 15. Nd4 Qd6 16. g3 Bh3 17. Nxc6 bxc6 18. Bf3 Qd7 19. Na4 Qf5 20. Bxf6 Qxf6 21. Bg4 Bxg4 22. Qxg4 Bd6 23. Red1 Qe6 24. Qd4 Qe7 25. Rc2 h5 26. Kg2 Be5 27. Qd3 h4 28. Qf5 hxg3 29. hxg3 g6 30. Qg4 Kg7 31. Rdc1 Rh8 32. Nc5 f5 33. Qf3 Bd6 34. b4 Rhd8 35. a3 Qf7 36. Nb3 Qe8 37. Nd4 a5 38. Rxc6 axb4 39. Qxd5 Rxc6 40. Rxc6 1-0

[Event "St Petersburg rapid final"]
[Site "St Petersburg"]
[Date "2016.09.17"]
[Round "1.2"]
[White "Goganov, Aleksey"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2635"]
[BlackElo "2147"]
[PlyCount "71"]
[EventDate "2016.09.17"]
[EventType "k.o. (rapid)"]
[EventRounds "5"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. d3 Nbd7 6. Qe1 e5 7. e4 dxe4 8. dxe4 Bc5 9. Nbd2 0-0 10. h3 Bh5 11. Nh4 Re8 12. a4 Qc7 13. Nc4 Nb6 14. Ne3 a5 15. Bd2 Nc8 16. Nc4 b6 17. Bc3 Nd7 18. Nf5 f6 19. Qd2 Bf7 20. Qe2 Bf8 21. f4 b5 22. Nce3 b4 23. Bd2 Ncb6 24. b3 Nc5 25. Ng4 h5 26. Nf2 Rad8 27. Be3 g6 28. Nh4 exf4 29. gxf4 Nc8 30. f5 g5 31. Ng6 Bxg6 32. fxg6 Qg3 33. Qxh5 Rd7 34. Ng4 Re6 35. Rxf6 Rxe4 36. Rxf8+ 1-0

[Event "St Petersburg rapid final"]
[Site "St Petersburg"]
[Date "2016.09.17"]
[Round "1.1"]
[White "Vunder, Andrei"]
[Black "Goganov, Aleksey"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2147"]
[BlackElo "2635"]
[PlyCount "64"]
[EventDate "2016.09.17"]
[EventType "k.o. (rapid)"]
[EventRounds "5"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Bd3 Bd6 7. Bxd6 Qxd6 8. f4 0-0 9. Nh3 b6 10. 0-0 Bb7 11. Qf3 a5 12. Nf2 Nd7 13. Qh3 g6 14. Nf3 f6 15. g4 cxd4 16. cxd4 e5 17. fxe5 fxe5 18. Ne4 Qe7 19. Nc3 Nb4 20. Bb5 e4 21. Ng5 Qxg5 22. Bxd7 Nc2 23. Be6+ Kg7 24. Nxe4 dxe4 25. Rac1 Qxe3+ 26. Qxe3 Nxe3 27. Rc7+ Kh8 28. Re1 Bd5 29. Rxe3 Bxe6 30. Rxe4 Bxa2 31. Ree7 Bg8 32. Rb7 Rf4 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.25"]
[Round "9"]
[White "Abramov, Nikita"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "2276"]
[BlackElo "2138"]
[PlyCount "109"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. dxc5 Nxc5 10. Nb3 Nce4 11. Nfd4 Nd6 12. c3 0-0 13. Nc5 Rc8 14. Nd3 Re8 15. Bf4 Bf8 16. Qb3 Qd7 17. Rad1 Nc4 18. Qb5 Qxb5 19. Nxb5 a6 20. Nd4 g6 21. Rfe1 Bg7 22. Rxe8+ Rxe8 23. Nb3 b6 24. Bc1 Kf8 25. Kf1 Ng4 26. h3 Nf6 27. Nb4 a5 28. Nxd5 a4 29. Nxf6 Bxf6 30. Nd4 Rd8 31. Ke2 Bxd4 32. Rxd4 Rxd4 33. cxd4 Ke7 34. Kd3 b5 35. d5 Nb6 36. Kd4 Nd7 37. Bf4 Kd8 38. Kc3 Nb6 39. Bg5+ Kc7 40. Kb4 a3 41. bxa3 Nxd5+ 42. Kxb5 Nc3+ 43. Kc4 Ne4 44. Be3 Kc6 45. a4 Nd6+ 46. Kb4 Ne8 47. a5 Nc7 48. Kc4 Na6 49. a3 Nc7 50. Kd4 f6 51. Kc4 Nb5 52. Kb4 Nc7 53. g3 Kd5 54. Bb6 Na6+ 55. Kb5 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.24"]
[Round "8"]
[White "Kolomensky, Vladimir"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "C08"]
[WhiteElo "2196"]
[BlackElo "2138"]
[PlyCount "70"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. dxc5 Nxc5 10. Nb3 Nce4 11. Nfd4 Qd7 12. Qf3 0-0 13. Nf5 Bd8 14. Rd1 Rc8 15. c3 Re8 16. Be3 g6 17. Nh6+ Kg7 18. h3 a5 19. Nd4 b5 20. a3 Nd6 21. Ng4 Nxg4 22. hxg4 Nc4 23. Nc2 Ne5 24. Qxd5 Qxg4 25. Bd4 Bf6 26. Ne3 Qh5 27. Re1 Rcd8 28. Qb7 Nd7 29. Rad1 Bxd4 30. Rxd4 Nf6 31. Red1 Rxd4 32. Rxd4 Qe2 33. a4 bxa4 34. Rf4 Rxe3 35. Rxf6 Qd1+ 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.23"]
[Round "7"]
[White "Vunder, Andrei"]
[Black "Kuzmin, Yuriy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2138"]
[BlackElo "2275"]
[PlyCount "49"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 0-0 6. 0-0 Nbd7 7. Re1 e5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. Nbd2 Nf4 12. Bf1 h5 13. dxe5 dxe5 14. h3 Nc5 15. Nc4 Qe7 16. Ne3 c6 17. Qc2 Be6 18. h4 g4 19. Ng5 Rad8 20. Bxf4 exf4 21. Nd5 Qd7 22. e5 f5 23. exf6 Bxf6 24. Nxf6+ Rxf6 25. Rad1 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.22"]
[Round "6"]
[White "Lapin, Nikita"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1641"]
[BlackElo "2138"]
[PlyCount "56"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Bxf3 10. Nxf3 Bd6 11. Be5 Qc7 12. Bxd6 Qxd6 13. Qxb7 Rb8 14. Qa6 0-0 15. b4 Rb6 16. Qa4 e5 17. dxe5 Nxe5 18. Nxe5 Qxe5+ 19. Kd2 Qf4+ 20. Ke1 Re6+ 21. Kd1 Ng4 22. Kc2 Nxf2 23. Rhe1 Nxd3 24. Rxe6 fxe6 25. Qd7 Qe4 26. Kb3 Qc4+ 27. Ka4 Nc5+ 28. Ka3 Qxc3# 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.21"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Zabolotnov, Evgeny"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2138"]
[BlackElo "1994"]
[PlyCount "41"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. Rc1 Nh5 8. Bd2 Nf6 9. Bf4 Nh5 10. Be5 f6 11. Bg3 Nxg3 12. hxg3 e5 13. e3 Be6 14. Qc2 g6 15. dxe5 fxe5 16. Rd1 Bb4 17. Bd3 Qf6 18. a3 Bxc3+ 19. Qxc3 Rc8 20. Bb1 0-0 21. Qd2 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.20"]
[Round "4"]
[White "Kuznetsov, Mikhail"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "1699"]
[BlackElo "2138"]
[PlyCount "65"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. Bd3 Bb7 9. 0-0 Nbd7 10. Rc1 dxc4 11. Bxc4 c5 12. Bg3 a6 13. a4 cxd4 14. Nxd4 Nc5 15. f3 Nd5 16. Bxd5 exd5 17. b4 Ne6 18. Nce2 Rc8 19. Qb3 Nxd4 20. Nxd4 Qd7 21. b5 Bc5 22. Rfd1 Rfe8 23. Qd3 axb5 24. axb5 g6 25. Rb1 Qe7 26. Bf2 h5 27. Ra1 Ra8 28. Kf1 Qf6 29. Re1 Bb4 30. Reb1 Bc5 31. Re1 Rec8 32. Qb3 Re8 33. Qd3 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.19"]
[Round "3"]
[White "Vunder, Andrei"]
[Black "Borisovsky, Dmitry"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2138"]
[BlackElo "2298"]
[PlyCount "98"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Nbd2 Be7 6. h3 0-0 7. Bd3 c5 8. c3 d6 9. 0-0 Nbd7 10. Bh2 Rc8 11. Qe2 cxd4 12. cxd4 Qc7 13. e4 e5 14. dxe5 Nxe5 15. Nxe5 dxe5 16. Nf3 Bd6 17. Rad1 Rfd8 18. Rfe1 Qe7 19. a3 Nd7 20. Bc4 Nc5 21. Bd5 Bxd5 22. Rxd5 f6 23. Red1 Ne6 24. Qd3 Bc5 25. b4 Bd4 26. Nxd4 Nxd4 27. Bf4 Rxd5 28. exd5 Qd7 29. Be3 Qxd5 30. Bxd4 Rd8 31. Qa6 Qf7 32. Rc1 exd4 33. Qc4 Qxc4 34. Rxc4 d3 35. Rc1 d2 36. Rd1 Kf7 37. Kf1 Ke6 38. Ke2 Ke5 39. Ke3 Rd4 40. Rxd2 Rxd2 41. Kxd2 Kd4 42. f3 Kc4 43. Kc2 b5 44. g3 g5 45. h4 gxh4 46. gxh4 h5 47. Kd2 Kb3 48. f4 Kxa3 49. Kc3 Ka4 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.18"]
[Round "2"]
[White "Saveliev, Alexei"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2339"]
[BlackElo "2138"]
[PlyCount "36"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d3 d5 2. f4 Nc6 3. Nf3 Bg4 4. g3 Bxf3 5. exf3 e5 6. fxe5 Nxe5 7. Bg2 Be7 8. 0-0 Nf6 9. f4 Nc6 10. Nd2 0-0 11. Nf3 Bd6 12. c3 d4 13. Re1 Bc5 14. b4 Bb6 15. c4 Nxb4 16. Ne5 Rb8 17. Bd2 Na6 18. g4 Nd7 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.17"]
[Round "1"]
[White "Vunder, Andrei"]
[Black "Divaev, Vadim"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2138"]
[BlackElo "1664"]
[PlyCount "71"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 d5 4. c3 Nc6 5. Nd2 e6 6. Ngf3 Bd6 7. Bg3 0-0 8. Bd3 b6 9. Ne5 Bb7 10. 0-0 Qc7 11. f4 a6 12. Bh4 Be7 13. Qf3 Nd7 14. Qh3 f5 15. g4 g6 16. gxf5 exf5 17. Rf2 Nf6 18. Ndf3 Rae8 19. Rg2 Nxe5 20. Nxe5 Ng4 21. Nxg4 fxg4 22. Qxg4 Bxh4 23. Qxh4 Qe7 24. Qxe7 Rxe7 25. Kf2 Rf6 26. Rg5 Kf7 27. Re5 cxd4 28. cxd4 Rc7 29. Ke2 h6 30. h4 Rd6 31. Kd2 Rf6 32. Rg1 Rc8 33. f5 gxf5 34. Rxf5 Rd8 35. Rxf6+ Kxf6 36. Rg6+ 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.11"]
[Round "9"]
[White "Khalaji, Hanieh"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2006"]
[BlackElo "2192"]
[PlyCount "64"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 g6 7. Nf3 Bf5 8. Bxf5 gxf5 9. g3 e6 10. Bf4 Bd6 11. Bxd6 Qxd6 12. Qe2 Nf6 13. Ne5 Ne4 14. Nxc6 bxc6 15. Nd2 Rb8 16. Nxe4 fxe4 17. 0-0-0 0-0 18. f3 f5 19. Rhf1 Kh8 20. g4 Rb7 21. fxe4 fxe4 22. g5 Rbf7 23. Rxf7 Rxf7 24. Rf1 Qf8 25. Rxf7 Qxf7 26. Qh2 Qf1+ 27. Kc2 Qd3+ 28. Kb3 Qb5+ 29. Kc2 Qd3+ 30. Kb3 Qb5+ 31. Kc2 Qd3+ 32. Kb3 Qb5+ 1/2-1/2

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.10"]
[Round "8"]
[White "Vunder, Andrei"]
[Black "Palchun, Grigory"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2192"]
[BlackElo "2315"]
[PlyCount "88"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c3 b6 4. Bg5 Bb7 5. Nbd2 Be7 6. e3 c5 7. Bd3 0-0 8. 0-0 Nc6 9. dxc5 bxc5 10. e4 d5 11. Qe2 Re8 12. Rad1 Nd7 13. Bxe7 Rxe7 14. e5 Qb6 15. Rfe1 Nf8 16. Nf1 a5 17. Ne3 Ba6 18. Ng4 Ng6 19. Qe3 Bxd3 20. Rxd3 Rb7 21. Rd2 c4 22. Qg5 Qd8 23. Qxd8+ Rxd8 24. g3 h5 25. Ne3 Ngxe5 26. Nxe5 Nxe5 27. Kg2 Nd3 28. Ree2 Rdb8 29. Nd1 Nc1 30. Re5 Nxa2 31. Rxh5 f6 32. Rc2 a4 33. Rh4 e5 34. f4 e4 35. Rh5 Rd7 36. Rd2 Rbd8 37. Ne3 a3 38. Rhxd5 Rxd5 39. Nxd5 Kf7 40. Kf2 Nc1 41. bxa3 Nd3+ 42. Ke3 Rxd5 43. a4 f5 44. Ra2 Nc1 0-1

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.09"]
[Round "7"]
[White "Mischeryakov, Alexey"]
[Black "Vunder, Andrei"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1923"]
[BlackElo "2192"]
[PlyCount "96"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Qf3 dxe4 4. Nxe4 Nd7 5. d4 Ngf6 6. c3 Nxe4 7. Qxe4 Nf6 8. Qc2 Bg4 9. Bd3 Bh5 10. Ne2 Bg6 11. Nf4 e6 12. Nxg6 hxg6 13. Be3 Qd5 14. f3 Bd6 15. c4 Qa5+ 16. Bd2 Bb4 17. Bxb4 Qxb4+ 18. Qc3 Qd6 19. c5 Qf4 20. Bf1 0-0-0 21. Rd1 Rxh2 22. Rxh2 Qxh2 23. Rd2 Qf4 24. Bc4 Nd5 25. Bxd5 Rxd5 26. b4 Rh5 27. Kd1 Qf5 28. Kc1 Rh1+ 29. Kb2 Qb1+ 30. Ka3 Rc1 31. Qb2 Re1 32. Qxb1 Rxb1 33. Ka4 b6 34. g4 Kb7 35. Re2 Rd1 36. Re4 b5+ 37. Kb3 Rd3+ 38. Kc2 Rxf3 39. g5 a5 40. bxa5 Ka6 41. Kd2 Kxa5 42. Ke2 Rf5 43. Re3 b4 44. Kd3 Rxg5 45. a3 bxa3 46. Kc4 Ka4 47. Rb3 Rg1 48. Rb6 Rc1+ 0-1

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.08"]
[Round "6"]
[White "Vunder, Andrei"]
[Black "Yeletsky, Ivan"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2192"]
[BlackElo "2342"]
[PlyCount "100"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. cxd5 exd5 5. Nc3 c6 6. Qc2 g6 7. Bg5 Be7 8. e4 Nxe4 9. Bxe7 Kxe7 10. Nxe4 dxe4 11. Qxe4+ Be6 12. Bc4 Re8 13. 0-0 Kf8 14. Bxe6 Rxe6 15. Qf4 Kg7 16. Rfe1 Rf6 17. Qe5 Nd7 18. Qe7 Rf5 19. h3 Qxe7 20. Rxe7 Rd8 21. Rae1 Kf8 22. R1e2 h6 23. Nh2 Rf4 24. Nf3 a5 25. R7e3 Nf6 26. Rb3 Rd7 27. Rc2 Rf5 28. Rc5 Rxc5 29. dxc5 Ne4 30. Ne5 Rd1+ 31. Kh2 Rd5 32. Nd3 Nd2 33. Rc3 Nb1 34. Rc1 Rxd3 35. Rxb1 a4 36. b4 a3 37. b5 Rd2 38. bxc6 bxc6 39. Rb6 Rxf2 40. Rxc6 Rxa2 41. Ra6 Ke7 42. Ra7+ Ke6 43. c6 Kd6 44. c7 Kd7 45. h4 f5 46. Kg3 Ra1 47. Kf3 a2 48. Kf2 g5 49. hxg5 hxg5 50. g3 Rh1 0-1

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.07"]
[Round "5"]
[White "Litvinov, Maxim"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2397"]
[BlackElo "2192"]
[PlyCount "86"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. Bb5+ Nc6 7. g4 Bg6 8. Ne5 Rc8 9. d4 e6 10. Qe2 Bb4 11. h4 Nge7 12. h5 Be4 13. f3 0-0 14. Bxc6 Nxc6 15. Nxc6 Rxc6 16. Kf2 Bxc3 17. bxc3 Rxc3 18. fxe4 Qc7 19. e5 f6 20. Bd2 fxe5+ 21. Kg2 Rcf3 22. Qxf3 Rxf3 23. Kxf3 e4+ 24. Kf2 Qf7+ 25. Kg1 Qf3 26. Rh2 e3 27. Be1 Qxg4+ 28. Rg2 Qxd4 29. c3 Qd3 30. h6 g6 31. a4 e2 32. Kf2 d4 33. Rg3 Qe4 34. Bd2 d3 35. Rag1 e5 36. Rg5 Qh4+ 37. Ke3 e4 38. Kd4 Qf2+ 39. Kxe4 e1Q+ 40. Bxe1 Qe2+ 41. Kd4 d2 42. Bxd2 Qxd2+ 43. Kc4 Qa2+ 1/2-1/2

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.06"]
[Round "4"]
[White "Vunder, Andrei"]
[Black "Ivanov, Nikolay A"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2192"]
[BlackElo "1895"]
[PlyCount "69"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bg5 d5 5. Nbd2 0-0 6. e3 Nbd7 7. Be2 Re8 8. 0-0 c6 9. c4 h6 10. Bh4 Nf8 11. Rc1 Be6 12. Qb3 Qb6 13. Qa3 dxc4 14. Nxc4 Bxc4 15. Bxc4 e6 16. Rfd1 N8d7 17. Qd3 Nd5 18. e4 Nf4 19. Qd2 g5 20. Bg3 Ng6 21. Rc3 a6 22. Rd3 Rac8 23. b4 Nf6 24. Re1 Rcd8 25. h4 g4 26. Ne5 Nxe5 27. Bxe5 Nh5 28. Bxg7 Kxg7 29. e5 Qc7 30. Re4 f5 31. exf6+ Nxf6 32. Rf4 e5 33. Rxf6 Kxf6 34. Qxh6+ Kf5 35. Qg5+ 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.05"]
[Round "3"]
[White "Gorbatov, Alexej"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2368"]
[BlackElo "2192"]
[PlyCount "133"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6 5. Qb3 Qb6 6. c5 Qxb3 7. axb3 Nd7 8. b4 a6 9. b5 cxb5 10. Nxb5 Rc8 11. Nc3 Ne7 12. Nh4 Bc2 13. Kd2 Bg6 14. Nxg6 hxg6 15. e3 Nc6 16. b4 Nxb4 17. Rb1 a5 18. Bb5 Be7 19. Ba3 Nc6 20. Ba4 Rb8 21. Rb2 Kd8 22. Rhb1 Kc8 23. h3 Rd8 24. Ke2 Na7 25. Bc2 Kc7 26. Bd3 Bf8 27. Rc2 Rdc8 28. e4 Nf6 29. Bc1 Nc6 30. Bf4+ Kd7 31. Bb5 Ra8 32. exd5 Nxd5 33. Nxd5 exd5 34. Bxc6+ bxc6 35. Rb7+ Ke6 36. Kf3 g5 37. Bxg5 Kf5 38. Bc1 Kg6 39. Ra2 Rcb8 40. Rxb8 Rxb8 41. Rxa5 Re8 42. Be3 Re6 43. Ke2 Be7 44. Kd3 Bg5 45. Bxg5 Kxg5 46. Ra7 Rf6 47. Ra2 Kf4 48. Ra7 Kg5 49. Ke3 Re6+ 50. Kf3 Rf6+ 51. Kg3 Rf4 52. h4+ Rxh4 53. Rxf7 Rg4+ 54. Kf3 g6 55. Ke3 Re4+ 56. Kd3 Rf4 57. Rc7 Rf6 58. f3 Kf4 59. Rd7 Kf5 60. g4+ Kg5 61. Ke3 Re6+ 62. Kf2 Kf6 63. Rc7 g5 64. Rd7 Kg6 65. Rd6 Rxd6 66. cxd6 Kf6 67. f4 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.04"]
[Round "2"]
[White "Vunder, Andrei"]
[Black "Chekletsova, Darya"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2192"]
[BlackElo "1495"]
[PlyCount "71"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 a6 6. Nf3 Ne4 7. cxd5 Nxc3 8. bxc3 Qxd5 9. Be2 Nd7 10. 0-0 Be7 11. Bxc7 Rc8 12. c4 Qc6 13. Bg3 Nf6 14. Ne5 Qb6 15. Qa4+ Kf8 16. Bf3 Qa7 17. c5 Be4 18. Nd7+ Nxd7 19. Bxe4 Nf6 20. Bf3 Rd8 21. Rab1 Nd5 22. Qb3 Rd7 23. Rfc1 g6 24. e4 Nc7 25. Qxb7 Nb5 26. Qxa7 Rxa7 27. c6 Nxd4 28. c7 Nxf3+ 29. gxf3 Kg7 30. c8Q Rxc8 31. Rxc8 Kf6 32. Rc7 Ra8 33. Rbb7 Bd8 34. Rxf7+ Kg5 35. Bf4+ Kh5 36. Rxh7# 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.03"]
[Round "1"]
[White "Golikov, Sergei"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1708"]
[BlackElo "2192"]
[PlyCount "126"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 Be7 9. f3 Nbd7 10. Nge2 0-0 11. 0-0 Re8 12. Rae1 Qb6 13. b3 Rad8 14. Bh4 Nf8 15. Bf2 Bb4 16. Rc1 Qa5 17. Qc2 Ng6 18. h3 Rd7 19. e4 dxe4 20. fxe4 Qg5 21. e5 Bxc3 22. Nxc3 Nf4 23. Be1 N6h5 24. Ne4 Qh6 25. Nd6 Rxd6 26. exd6 Re2 27. Qf5 Rxg2+ 28. Kh1 Qxd6 29. Qc8+ Qf8 30. Qxb7 g5 31. Rxc6 Qa3 32. Qb8+ Kg7 33. Qe5+ f6 34. Rc7+ Kh6 35. Qf5 Ng6 36. Kxg2 Qxa2+ 37. Qc2 Qa6 38. Bb4 Qe6 39. Bf8+ Nxf8 40. Qf5 Qxb3 41. Qf3 Qb2+ 42. Qf2 Nf4+ 43. Kh1 Qa3 44. Qf3 Qd6 45. Rxa7 Qxd4 46. Ra6 N8g6 47. Rd1 Qb2 48. Ra3 Nh4 49. Rb3 Qa2 50. Qb7 Qe2 51. Rdb1 Nd3 52. Qc6 Nf2+ 53. Kg1 Ne4 54. R1b2 Nf3+ 55. Rxf3 Qxf3 56. Qc8 Qe3+ 57. Kh1 Qe1+ 58. Kg2 Qg3+ 59. Kf1 Qf3+ 60. Kg1 Qe3+ 61. Kg2 Qg3+ 62. Kf1 Qd3+ 63. Kg2 Qg3+ 1/2-1/2

[Event "St Petersburg rapid"]
[Site "St Petersburg"]
[Date "2015.03.14"]
[Round "4"]
[White "Vunder, Andrei"]
[Black "Donskov, Anatoly"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2174"]
[BlackElo "2305"]
[PlyCount "90"]
[EventDate "2015.03.14"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 c5 2. c3 Qb6 3. e4 cxd4 4. cxd4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 Nc6 8. a3 Bxc3+ 9. bxc3 d5 10. exd5 Nxd5 11. Bd2 0-0 12. 0-0 Bd7 13. c4 Nf6 14. Bg5 Kh8 15. Rb1 Qc7 16. Qd2 Ng8 17. Bf4 Qc8 18. d5 exd5 19. cxd5 Nce7 20. Rfc1 Qd8 21. Bc7 Qe8 22. Re1 Qc8 23. Bd6 Qd8 24. Qe2 Nxd5 25. Bxf8 Qxf8 26. Qd2 Qxa3 27. Rxb7 Rd8 28. Qg5 Ngf6 29. Bc4 h6 30. Qh4 Be6 31. h3 Kg8 32. Qd4 a5 33. Ra1 Qf8 34. Qb2 Rc8 35. Bf1 Nf4 36. Rxa5 Bd5 37. Rb4 Nxh3+ 38. gxh3 Bxf3 39. Rf4 Be4 40. Rxf6 gxf6 41. Qxf6 Rc6 42. Qf4 Rg6+ 43. Kh2 Bc6 44. Re5 Qg7 45. Re3 Rg2+ 0-1

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.26"]
[Round "9"]
[White "Vunder, Andrei"]
[Black "Ovod, Evgenija"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2181"]
[BlackElo "2325"]
[PlyCount "81"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 d6 3. c4 g6 4. Nc3 Nf6 5. e3 Bg7 6. Be2 0-0 7. b4 a5 8. b5 c5 9. bxc6 bxc6 10. 0-0 h6 11. Rb1 g5 12. Qc2 Na6 13. a3 Nh7 14. Rd1 g4 15. Nh4 Qe8 16. f4 e5 17. dxe5 dxe5 18. g3 e4 19. Na4 Be6 20. c5 Nc7 21. Nb6 Ra7 22. Bc4 Bxc4 23. Qxc4+ Qe6 24. Rd6 Qxc4 25. Nxc4 Nb5 26. Rxc6 Nc3 27. Rb2 Nd5 28. Rc2 Ne7 29. Rd6 Nf6 30. Nb6 Ne8 31. Rd1 Nc6 32. Bb2 Bxb2 33. Rxb2 Ng7 34. Rd6 Rc7 35. Nd5 Rfc8 36. Nxc7 Rxc7 37. Ng6 Kh7 38. Rb6 Na7 39. Rb8 Nc8 40. Nf8+ Kg8 41. Rd8 1-0

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.25"]
[Round "8"]
[White "Bublei, Pavel"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2339"]
[BlackElo "2181"]
[PlyCount "148"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. a3 Nc6 9. Be2 a6 10. 0-0 d4 11. exd4 Nxd4 12. b4 Nxf3+ 13. Bxf3 Bd4 14. Rc1 e5 15. Be3 Bxe3 16. fxe3 Qe7 17. Nd5 Nxd5 18. Bxd5 a5 19. Qb3 Be6 20. e4 axb4 21. axb4 Ra6 22. Ra1 Rfa8 23. Rxa6 Rxa6 24. c5 h6 25. Qc3 Qc7 26. Rc1 Bd7 27. Qc4 Rf6 28. b5 Qa5 29. b6 Qd2 30. Rf1 Qe3+ 31. Kh1 Bg4 32. Rxf6 gxf6 33. h3 Be2 34. Qc2 Bd3 35. Qd1 Ba6 36. Qg1 Qc3 37. Qf2 Kg7 38. Kh2 Qc1 39. Qg3+ Kf8 40. Qh4 Ke7 41. Qf2 Qc3 42. Qg1 Kf8 43. Qd1 Qe3 44. Qf3 Qg5 45. c6 bxc6 46. Qa3+ Kg7 47. Bxc6 Qd2 48. b7 Bd3 49. Qxd3 Qxd3 50. b8Q Qe3 51. Qb1 Qf4+ 52. Kh1 h5 53. Qd1 f5 54. exf5 Qxf5 55. Qf3 Qxf3 56. Bxf3 h4 57. Be4 Kh6 58. Kg1 Kg5 59. Kf2 f5 60. Bb7 Kf4 61. Bc8 e4 62. Ba6 Ke5 63. Be2 f4 64. Bh5 Kd4 65. Ke2 Ke5 66. Bg4 Kd4 67. Kd2 Ke5 68. Ke2 Kd4 69. Bf3 Ke5 70. Bh5 Kd4 71. Bg4 Ke5 72. Bh5 Kd4 73. Bf3 Ke5 74. Bg4 Kd4 1/2-1/2

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.24"]
[Round "7"]
[White "Vunder, Andrei"]
[Black "Ivanov, Artem"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2181"]
[BlackElo "1913"]
[PlyCount "55"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d5 6. 0-0 Re8 7. c4 c6 8. Nc3 Nh5 9. Bg5 h6 10. Bh4 Nf6 11. Qb3 e6 12. Ne5 Qb6 13. c5 Qxb3 14. axb3 Nbd7 15. f4 Nh7 16. b4 g5 17. Bg3 Nxe5 18. fxe5 Bd7 19. b5 Reb8 20. b4 Nf8 21. Ra2 Bc8 22. Bh5 Ng6 23. Raf2 a5 24. bxa5 Rxa5 25. b6 Rba8 26. Rxf7 Nh8 27. Rc7 Ra1 28. Rxc8+ 1-0

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.23"]
[Round "6"]
[White "Mishuchkov, Nikolai Mikhailovic"]
[Black "Vunder, Andrei"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "2310"]
[BlackElo "2181"]
[PlyCount "89"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 cxd4 6. Nxd4 Nxd5 7. Ndb5 a6 8. Nxd5 exd5 9. Nd4 Be7 10. g3 0-0 11. Bg2 Bf6 12. 0-0 Nc6 13. Be3 Bg4 14. Re1 Re8 15. Qd2 Ne5 16. b3 Qd7 17. Rad1 Rac8 18. Bg5 Bxg5 19. Qxg5 h6 20. Qd2 Rcd8 21. Rc1 Bh3 22. Rc3 Bxg2 23. Kxg2 Rc8 24. Rec1 Ng6 25. Nf3 Rxc3 26. Rxc3 Ne5 27. Nd4 Rc8 28. Rxc8+ Qxc8 29. Qf4 Qe8 30. Qe3 Qe7 31. f4 Nc6 32. Qxe7 Nxe7 33. Kf3 Kf8 34. f5 Nc6 35. Nxc6 bxc6 36. e4 dxe4+ 37. Kxe4 Ke7 38. b4 h5 39. Ke5 Kd7 40. Kd4 Kd6 41. a4 g6 42. fxg6 fxg6 43. h4 Kd7 44. Kc5 Kc7 45. a5 1-0

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.22"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Matchenya, Ivan"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2181"]
[BlackElo "1659"]
[PlyCount "81"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Be2 d6 6. h3 c5 7. c3 Nbd7 8. Nbd2 Nb6 9. 0-0 h6 10. dxc5 dxc5 11. e4 Be6 12. Qc2 Qe8 13. a4 a6 14. Rfd1 Rc8 15. a5 Nbd7 16. Bc4 Bxc4 17. Nxc4 g5 18. Bh2 g4 19. Nh4 Rc6 20. e5 Nh7 21. hxg4 Re6 22. Rd5 Qc8 23. Rad1 Nb8 24. Nf5 Re8 25. Qd2 Nf8 26. Qe3 Nbd7 27. Bf4 Kh7 28. Qh3 Rg6 29. Nh4 Re6 30. Qd3+ Kh8 31. Rxd7 Nxd7 32. Qxd7 Qb8 33. Nf5 Kg8 34. Qd2 Kh7 35. Qd3 Kg8 36. Qe3 Kh7 37. Qe4 Kg8 38. Rd7 Kh8 39. Qxb7 Qxb7 40. Rxb7 Kg8 41. Rb6 1-0

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.21"]
[Round "4"]
[White "Sivuk, Vitaly"]
[Black "Vunder, Andrei"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2523"]
[BlackElo "2181"]
[PlyCount "80"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nf3 Be7 8. a3 0-0 9. c5 Ne4 10. Bxe7 Qxe7 11. Qc2 Nxc3 12. Qxc3 e5 13. dxe5 Bg4 14. Bb5 Bxf3 15. Qxf3 Nd4 16. Qd3 Qxe5+ 17. Kf1 Nxb5 18. Qxb5 Rfe8 19. h4 d4 20. Rh3 Rad8 21. Kg1 b6 22. Rd1 bxc5 23. b4 cxb4 24. Qxe5 Rxe5 25. axb4 Rb5 26. Ra3 Rd7 27. Ra4 d3 28. g3 Kf8 29. Rd2 Ke7 30. Kg2 Kd8 31. Kf3 Kc8 32. Ke3 Re5+ 33. Kf3 Kb7 34. Ra3 Red5 35. Ke3 Re7+ 36. Kf3 Red7 37. Ke3 Re7+ 38. Kf3 Red7 39. Ke3 Re7+ 40. Kf3 Red7 1/2-1/2

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.20"]
[Round "3"]
[White "Vunder, Andrei"]
[Black "Terentev, Mikhail"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2181"]
[BlackElo "1981"]
[PlyCount "75"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Bg5 c5 6. e3 d6 7. Be2 Qa5 8. 0-0 Bg4 9. Qd2 Nc6 10. d5 Bxf3 11. Bxf3 Ne5 12. Be2 Qb4 13. Qc2 h6 14. a3 Qa5 15. Bh4 a6 16. a4 Rab8 17. h3 Qc7 18. f4 Ned7 19. e4 Rfe8 20. Kh1 Nh7 21. Bd3 Nhf8 22. Rae1 b6 23. Bg3 e5 24. dxe6 Nxe6 25. Nd5 Qc6 26. f5 Nd4 27. Qf2 g5 28. f6 Bf8 29. h4 Ne5 30. Qd2 Qd7 31. hxg5 Qg4 32. Re3 hxg5 33. Bh2 Qh5 34. Rh3 Qg6 35. Rf5 Bh6 36. Bxe5 dxe5 37. Rf1 Ne6 38. g3 1-0

