[Event "Riga Tech op-A"]
[Site "Riga"]
[Date "2023.08.07"]
[Round "1"]
[White "Akesson, Ralf"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2413"]
[BlackElo "2002"]
[PlyCount "77"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 c5 8. d5 0-0 9. Bxg7 Kxg7 10. Qd2 e6 11. Bc4 exd5 12. Bxd5 Nc6 13. Qc3+ Qf6 14. Qxf6+ Kxf6 15. Bxc6 bxc6 16. 0-0-0 Re8 17. f3 Ba6 18. Nh3 Rad8 19. Nf2 Rd4 20. Rhe1 Red8 21. Re3 Rxd1+ 22. Nxd1 Rd3 23. Rxd3 Bxd3 24. Kd2 Bc4 25. Nc3 Ke5 26. Ke3 f6 27. f4+ Kd6 28. h4 h6 29. g3 Bg8 30. a3 Bb3 31. Kd3 Ke6 32. Kd2 Kd6 33. Kd3 Ke6 34. Nb1 Kd6 35. Nd2 Bg8 36. Nc4+ Ke7 37. Na5 Kd7 38. Nb7 c4+ 39. Kd4 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "4"]
[White "Carlsson, Ludvig"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2358"]
[BlackElo "2002"]
[PlyCount "23"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 f5 2. d3 d6 3. e4 e5 4. Nc3 Nf6 5. exf5 Bxf5 6. d4 e4 7. Nh4 Qd7 8. Bg5 Bg4 9. Be2 Bxe2 10. Qxe2 Be7 11. Nxe4 Nc6 12. Bxf6 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "8"]
[White "Kreken, Eivind Grunt"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D88"]
[WhiteElo "2129"]
[BlackElo "2002"]
[PlyCount "95"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 Na5 11. Bd3 cxd4 12. cxd4 b6 13. Rc1 Bb7 14. Qd2 Qd7 15. f3 Rac8 16. h4 Rxc1 17. Rxc1 Rc8 18. h5 Rxc1+ 19. Qxc1 gxh5 20. Qc2 Qc8 21. Ng3 Qxc2 22. Bxc2 Nc6 23. Nf5 Bf8 24. d5 Nd8 25. Bf4 Bc8 26. Nd4 e6 27. Kh2 Bg7 28. Nc6 Nxc6 29. dxc6 e5 30. Bg5 f6 31. Bb3+ Kf8 32. Bd2 Ke8 33. Bb4 Bf8 34. Bxf8 Kxf8 35. Kg3 Ke7 36. Kh4 Kd6 37. Kxh5 Be6 38. c7 Bc8 39. Kh6 Kxc7 40. Kg7 f5 41. exf5 Bxf5 42. Kf6 Bb1 43. Kxe5 Kc6 44. f4 Kc5 45. f5 b5 46. f6 Bg6 47. f7 Bxf7 48. Bxf7 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "2"]
[White "Limontas, Martynas"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2274"]
[BlackElo "2002"]
[PlyCount "46"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4 Bg7 6. e4 Nb6 7. Be3 0-0 8. Be2 N8d7 9. Nf3 Nf6 10. Nc3 c6 11. 0-0 Be6 12. b3 h6 13. h3 Kh7 14. Rc1 Qe8 15. Qc2 Rd8 16. Rfd1 Bc8 17. Bf4 Nh5 18. Bh2 f5 19. e5 Kh8 20. a4 g5 21. a5 Nd5 22. Nxd5 Rxd5 23. b4 g4 1-0

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.09"]
[Round "9"]
[White "Korchagin, Oleg"]
[Black "Haavamae, Henrik"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "1993"]
[BlackElo "2093"]
[PlyCount "12"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 1/2-1/2

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.08"]
[Round "8"]
[White "Andrijashkin, Deniss"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2144"]
[BlackElo "1993"]
[PlyCount "134"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. h4 c6 4. Nc3 d5 5. Bf4 Bg7 6. e3 Nbd7 7. cxd5 Nxd5 8. Nxd5 cxd5 9. h5 e5 10. dxe5 g5 11. Bg3 Qa5+ 12. Qd2 Qxd2+ 13. Kxd2 Nxe5 14. h6 Bf6 15. Bb5+ Bd7 16. Bxe5 Bxe5 17. Nf3 f6 18. Bd3 Ke7 19. Rac1 Kd6 20. Rc2 Rac8 21. Rxc8 Bxc8 22. b3 Bd7 23. Re1 Rf8 24. Rh1 Rh8 25. Bb1 Be6 26. Bd3 Bd7 27. Re1 Rf8 28. Nd4 Bxd4 29. exd4 f5 30. Rh1 Ke6 31. Re1+ Kf6 32. Rc1 Rc8 33. Re1 Re8 34. Rc1 Rc8 35. Rh1 Be8 36. Re1 Bd7 37. Re5 Be6 38. g3 Rg8 39. Re1 Rg6 40. Rc1 Rxh6 41. Rc7 Rh2 42. Ke3 h5 43. Rxb7 h4 44. gxh4 f4+ 45. Ke2 g4 46. Kf1 Bf5 47. Bxf5 Kxf5 48. Rg7 Ke4 49. Rxg4 Kf3 50. Kg1 Rh3 51. Rg5 Rxh4 52. Rxd5 Rg4+ 53. Kf1 Rg2 54. Re5 Rxf2+ 55. Ke1 Rxa2 56. d5 Rb2 57. d6 Rxb3 58. Rd5 Rb8 59. d7 Rd8 60. Rd6 Ke4 61. Ke2 Ke5 62. Rd3 Ke6 63. Kf3 Rxd7 64. Rxd7 Kxd7 65. Kxf4 a5 66. Ke4 a4 67. Kd4 a3 1/2-1/2

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.07"]
[Round "7"]
[White "Korchagin, Oleg"]
[Black "Tobre, Andres"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1993"]
[BlackElo "1474"]
[PlyCount "89"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 h6 7. Bh4 0-0 8. e3 c6 9. Bd3 Nbd7 10. Nge2 Re8 11. 0-0 Ne4 12. Bxe7 Qxe7 13. Rab1 Ndf6 14. b4 Nxf2 15. Rxf2 Ng4 16. Nd1 Nxf2 17. Nxf2 Qxe3 18. Qc1 Bg4 19. Qxe3 Rxe3 20. Kf1 Rae8 21. Rb2 Bxe2+ 22. Bxe2 Rc3 23. Ke1 Rc4 24. b5 Rxd4 25. Nd1 c5 26. Kf2 Rf4+ 27. Bf3 d4 28. b6 axb6 29. Rxb6 c4 30. Rxb7 d3 31. Rd7 Ree4 32. Rc7 g5 33. Nc3 Rd4 34. Ke3 Rd6 35. Ne4 Rxe4+ 36. Kxe4 Re6+ 37. Kd4 d2 38. Kc3 Rd6 39. Bd1 Rd3+ 40. Kb2 Re3 41. Rxc4 Re1 42. Kc2 Rg1 43. g4 Rg2 44. a4 Rxh2 45. a5 1-0

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.06"]
[Round "6"]
[White "Nazarova, Anastasia"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2224"]
[BlackElo "1993"]
[PlyCount "69"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 e6 6. Bd3 Ne7 7. e5 d5 8. 0-0 h5 9. Qe1 Nd7 10. f5 gxf5 11. Qg3 Kf8 12. Bg5 Qe8 13. Nh4 Nb6 14. a4 Bd7 15. Bxe7+ Qxe7 16. a5 Qb4 17. axb6 Qxd4+ 18. Kh1 Bxe5 19. Qe1 Bf6 20. Nf3 Qxb6 21. Ne5 Rd8 22. Ra3 Be8 23. Rb3 Qd6 24. Nf3 b5 25. Nd1 c5 26. Be2 c4 27. Ra3 b4 28. Ra2 Bb5 29. c3 b3 30. Ra1 e5 31. Ne3 Qe6 32. Nxf5 Qxf5 33. Nd4 Qg5 34. Rf5 Qg6 35. Qf2 1-0

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.05"]
[Round "5"]
[White "Korchagin, Oleg"]
[Black "Haitin, Ilja"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1993"]
[BlackElo "2327"]
[PlyCount "138"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nfxd2 Nf6 6. Nc3 0-0 7. Qc2 d6 8. e3 e5 9. d5 a5 10. Be2 Na6 11. h3 Nc5 12. 0-0-0 Nfe4 13. Rdf1 Nxc3 14. Qxc3 c6 15. f4 e4 16. g4 cxd5 17. cxd5 b5 18. Kb1 Ba6 19. Qd4 Qf6 20. Qxf6 Rxf6 21. Nb3 Nxb3 22. axb3 Bb7 23. Bxb5 Bxd5 24. Bc4 Bxc4 25. bxc4 Rb8 26. Rc1 Rb3 27. Rc3 Rxc3 28. bxc3 Kf8 29. Kc2 Rh6 30. g5 Rh4 31. Kb3 Ke7 32. Ka4 Kd7 33. Kxa5 Kc6 34. Kb4 g6 35. c5 dxc5+ 36. Kc4 h6 37. gxh6 Rxh6 38. h4 Kd6 39. Kb5 Rh8 40. Rg1 Rxh4 41. Rxg6+ Ke7 42. Kxc5 Kf7 43. Rc6 Rh1 44. Kd4 Rd1+ 45. Ke5 Rd3 46. Kxf5 Rxe3 47. Rc7+ Kg8 48. Rc4 Kf7 49. Rc7+ Kg8 50. c4 Re1 51. Kg6 Rg1+ 52. Kf6 e3 53. Re7 Rc1 54. Re8+ Kh7 55. Rxe3 Rxc4 56. f5 Ra4 57. Kf7 Ra7+ 58. Re7 Ra8 59. Rd7 Rb8 60. f6 Ra8 61. Re7 Rb8 62. Rc7 Ra8 63. Rd7 Rb8 64. Ke6+ Kg8 65. Ke7 Ra8 66. Rb7 Rc8 67. Ke6 Rc6+ 68. Kf5 Rc1 69. Re7 Kf8 1/2-1/2

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.04"]
[Round "4"]
[White "Luukkonen, Tommi"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "C83"]
[WhiteElo "2279"]
[BlackElo "1993"]
[PlyCount "61"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5 11. Re1 Nd3 12. Re3 Nxc1 13. Rxc1 Qd7 14. Nd4 Nxd4 15. cxd4 Bb4 16. a3 Ba5 17. Ba2 Bb6 18. Nb3 h5 19. Nc5 Qe7 20. f4 g5 21. f5 Bxf5 22. Bxd5 Rd8 23. Qf3 Bg4 24. Qe4 f5 25. exf6 Qxe4 26. Rxe4+ Kf8 27. Re5 c6 28. Bxc6 Rh6 29. Bd5 Rxf6 30. Rxg5 Rf4 31. Re1 1-0

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.03"]
[Round "3"]
[White "Korchagin, Oleg"]
[Black "Tiisler, Ander"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1993"]
[BlackElo "1298"]
[PlyCount "73"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. h4 h5 7. f3 c5 8. d5 Qa5 9. Bd2 Qb6 10. Qc2 e6 11. Nh3 exd5 12. cxd5 Nbd7 13. Nf2 Ne5 14. Be3 a6 15. Qd2 Bd7 16. Rg1 Bb5 17. Nxb5 axb5 18. Bh6 Nc4 19. Bxc4 bxc4 20. Bxg7 Kxg7 21. Nd1 Qb4 22. Nc3 Nd7 23. g4 Ne5 24. Ke2 Nd3 25. gxh5 Qxb2 26. Qxb2 Nxb2 27. hxg6 fxg6 28. h5 Rf6 29. Rab1 Ra3 30. Rxb2 Rxc3 31. Rxb7+ Kh6 32. hxg6 Rxg6 33. Rh1+ Kg5 34. Rf7 Rh6 35. Rg1+ Kh4 36. Rf4+ Kh3 37. Rh1+ 1-0

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.03"]
[Round "2"]
[White "Pearston, John M"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1548"]
[BlackElo "1993"]
[PlyCount "78"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 c6 4. e4 Qc7 5. Be2 e5 6. d5 Nbd7 7. Nf3 Be7 8. 0-0 Nc5 9. Qc2 a5 10. b3 0-0 11. Be3 Ne8 12. Ne1 f5 13. f3 f4 14. Bf2 Nd7 15. Nd3 c5 16. a3 g5 17. b4 b6 18. b5 Ndf6 19. g4 fxg3 20. Bxg3 Nh5 21. Kf2 g4 22. Ke1 Nxg3 23. hxg3 gxf3 24. Rxf3 Bg5 25. Rxf8+ Kxf8 26. Bf3 Nf6 27. Qf2 Kg8 28. Kd1 Ng4 29. Bxg4 Bxg4+ 30. Kc2 Rf8 31. Qg2 Qf7 32. Re1 Kg7 33. Na4 Bd8 34. Kc3 Qg6 35. Nf2 Rf3+ 36. Kb2 Qg5 37. Nxg4 Qxg4 38. Rg1 Qxe4 39. Nc3 Qe3 0-1

[Event "Viljandi Raud Memorial 57th"]
[Site "Viljandi"]
[Date "2023.07.02"]
[Round "1"]
[White "Korchagin, Oleg"]
[Black "Keinanen, Toivo"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1993"]
[BlackElo "2504"]
[PlyCount "76"]
[EventDate "2023.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. c3 Nc6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. a4 d5 8. Na3 b6 9. Bf4 Bb7 10. h4 Rc8 11. Ne5 cxd4 12. Nxc6 Bxc6 13. Qxd4 Qd7 14. b3 Rfd8 15. Qd2 Qb7 16. Nb5 Qd7 17. Rfc1 a6 18. Nd4 Bb7 19. Bh3 Bc5 20. Qd3 Ne4 21. f3 Nf6 22. Kh2 Qe7 23. b4 Bd6 24. Bxd6 Qxd6 25. a5 b5 26. Nb3 Nd7 27. f4 Rc4 28. Nd2 Rc7 29. e4 e5 30. Nf3 exf4 31. Rg1 Ne5 32. Nxe5 Qxe5 33. gxf4 Qxf4+ 34. Rg3 d4 35. Rf1 Qxe4 36. Rxg7+ Kxg7 37. Qg3+ Kh8 38. Qxc7 Qe2+ 0-1

[Event "Riga Tech op 11th"]
[Site "Riga"]
[Date "2022.08.15"]
[Round "1"]
[White "Korchagin, Oleg"]
[Black "Carlsson, Ludvig"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1986"]
[BlackElo "2387"]
[PlyCount "100"]
[EventDate "2022.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. a3 g6 5. e4 Bg7 6. Nf3 d6 7. Bg5 Ne7 8. Be2 Nd7 9. Qc2 h6 10. Be3 a6 11. d5 c5 12. dxe6 fxe6 13. 0-0-0 Qc7 14. Bf4 Ne5 15. Nxe5 dxe5 16. Be3 Nc6 17. Rd2 h5 18. Kb1 Nd4 19. Qd1 0-0-0 20. g4 hxg4 21. Bxg4 Kb8 22. Bg5 Rdf8 23. h4 Bf6 24. Bxf6 Rxf6 25. h5 gxh5 26. Rxh5 Rxh5 27. Bxh5 Qh7 28. Ka2 Rf4 29. Be8 Qh4 30. Qa4 Rxf2 31. Rxf2 Qxf2 32. Qd7 Ka7 33. Qd6 Qf1 34. Qxe5 Qxc4+ 35. Kb1 Qf1+ 36. Ka2 Nc2 37. Kb3 Nd4+ 38. Ka2 Qf8 39. Bh5 Qd8 40. Be2 Qb8 41. Qg7 Qf4 42. Qe7 Qe5 43. Bd3 Nc6 44. Qh7 Qd6 45. Bc4 Ne5 46. Bb3 b5 47. Qg7 Nf3 48. a4 Nd4 49. a5 b4 50. Na4 Nxb3 0-1

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2022.08.14"]
[Round "8"]
[White "Hovakimyan, Vache"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1773"]
[BlackElo "1986"]
[PlyCount "61"]
[EventDate "2022.08.14"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Qd2 cxd4 9. cxd4 0-0 10. Nf3 Nc6 11. Be2 Bg4 12. Rd1 Qd6 13. 0-0 Rfd8 14. d5 Bxf3 15. Bxf3 Ne5 16. Be2 Nd7 17. Rc1 b6 18. Rc6 Qa3 19. Rfc1 Ne5 20. Rc7 h5 21. h3 Qa4 22. Rxe7 Qxe4 23. d6 Bf6 24. Rec7 Nd7 25. Bf3 Qe6 26. Bxa8 Rxa8 27. Rc8+ Rxc8 28. Rxc8+ Kh7 29. Rc7 a5 30. a4 Be5 31. Bf4 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2022.08.14"]
[Round "7"]
[White "Korchagin, Oleg"]
[Black "Gobleja, Karlis"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1986"]
[BlackElo "1930"]
[PlyCount "132"]
[EventDate "2022.08.14"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 b6 10. Nd2 h5 11. c5 a5 12. cxd6 cxd6 13. Ba3 Ne8 14. Nc4 Ba6 15. bxa5 bxa5 16. Na4 f5 17. f3 Bh6 18. Kh1 Bxc4 19. Bxc4 Nf6 20. Bd3 Be3 21. exf5 gxf5 22. Qe1 Bf4 23. Bc1 Nexd5 24. Bxf5 Qe8 25. Bxf4 Nxf4 26. Nb6 Ra7 27. Nc4 d5 28. Nxa5 Rg7 29. g3 Ng6 30. Rc1 Nh7 31. Bh3 h4 32. Nc6 Ng5 33. Bg4 hxg3 34. hxg3 e4 35. Nd4 Qe5 36. Nc6 Qd6 37. f4 Nf3 38. Bxf3 exf3 39. Rxf3 Rc8 40. Rfc3 Rgc7 41. Nd4 Rxc3 42. Rxc3 Rb8 43. Rc6 Qb4 44. Rxg6+ Kh7 45. Qxb4 Rxb4 46. Rd6 Rxd4 47. Kg2 Rd2+ 48. Kf3 Kg7 49. f5 Kf7 50. g4 Ke7 51. Re6+ Kf7 52. Re2 Rd3+ 53. Re3 Rd2 54. a3 Ra2 55. Rd3 Kf6 56. Kf4 Ra1 57. g5+ Kf7 58. Rxd5 Rxa3 59. Rd7+ Ke8 60. Rb7 Ra5 61. g6 Kf8 62. Kg5 Kg8 63. Kh6 Rxf5 64. Rb8+ Rf8 65. Rxf8+ Kxf8 66. Kh7 Ke8 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2022.08.14"]
[Round "3"]
[White "Korchagin, Oleg"]
[Black "Springis, Jevgenijs"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "1986"]
[BlackElo "1937"]
[PlyCount "137"]
[EventDate "2022.08.14"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. g3 Ngf6 6. Bg2 0-0 7. 0-0 Re8 8. Qc2 e5 9. d5 a5 10. Nd2 Nc5 11. b3 Nh5 12. Rb1 f5 13. a3 e4 14. b4 axb4 15. axb4 Nd7 16. Nb3 Qe7 17. Nb5 Ne5 18. Rd1 b6 19. N5d4 Nf6 20. Bf4 Bd7 21. c5 Nxd5 22. c6 Be6 23. Nxe6 Qxe6 24. Nd4 Qf7 25. Bc1 Ne7 26. Bb2 d5 27. Bf1 f4 28. Nb5 fxg3 29. hxg3 Rf8 30. Bd4 Ng4 31. f4 exf3 32. exf3 Qxf3 33. Qg2 Bxd4+ 34. Nxd4 Qf6 35. Rb3 Rae8 36. Rf3 Qe5 37. Qd2 Nf5 38. Nxf5 Rxf5 39. Rxf5 Qxg3+ 40. Qg2 Qxg2+ 41. Bxg2 gxf5 42. Bxd5+ Kg7 43. Rd4 Kf6 44. Bf3 Ne5 45. Bh1 Ra8 46. Kh2 Ra2+ 47. Kg3 Ra3+ 48. Kf2 h5 49. Rd8 Ng4+ 50. Ke2 Kg5 51. Rd7 Ra7 52. Kf3 Ne5+ 53. Ke3 Ra3+ 54. Kd4 Nxd7 55. cxd7 Ra2 56. Bd5 Kf4 57. d8Q c5+ 58. Kc4 Rc2+ 59. Kb5 cxb4 60. Qd6+ Kg4 61. Bf3+ Kg5 62. Qe7+ Kf4 63. Qxb4+ Kg5 64. Qe7+ Kf4 65. Bxh5 Rb2+ 66. Kc4 b5+ 67. Kc3 Rf2 68. Qh4+ Ke3 69. Qg3+ 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2022.08.14"]
[Round "4"]
[White "Krivonosov, Oleg"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2375"]
[BlackElo "1986"]
[PlyCount "81"]
[EventDate "2022.08.14"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 Nc6 7. 0-0 e5 8. dxe5 Nxe5 9. Bf4 Nfd7 10. Qd2 Nc5 11. Rad1 Nxf3+ 12. Bxf3 Ne6 13. Be3 Qe8 14. Rfe1 a5 15. b3 Bd7 16. Nd5 Ra6 17. Bh6 c6 18. Bxg7 Kxg7 19. Nf4 c5 20. e5 dxe5 21. Rxe5 Bc8 22. Qc3 f6 23. Nxe6+ Rxe6 24. Rxe6 Qxe6 25. Qxa5 b6 26. Qd2 Re8 27. h3 Qe5 28. Qd6 h5 29. Qxe5 Rxe5 30. h4 Bf5 31. g3 g5 32. Rd2 gxh4 33. gxh4 Kg6 34. Kg2 Re1 35. Rd5 Bb1 36. Rd2 Bf5 37. Kg3 Ra1 38. Kf4 Bb1 39. Rd1 f5 40. Rg1+ Kf6 41. Bxh5 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2022.08.14"]
[Round "6"]
[White "Rychagov, Nikita1111"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2116"]
[BlackElo "1986"]
[PlyCount "37"]
[EventDate "2022.08.14"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Bb7 7. 0-0 Nd7 8. a4 b4 9. Ne2 e5 10. fxe5 dxe5 11. Bg5 f6 12. Be3 Ne7 13. Qe1 a5 14. dxe5 Nxe5 15. Nxe5 fxe5 16. Rd1 Qc8 17. Bc4 Rf8 18. Rxf8+ Bxf8 19. Qf2 1-0

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.19"]
[Round "9"]
[White "Korchagin, Oleg"]
[Black "Chovanec, Vladimir"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2056"]
[BlackElo "2047"]
[PlyCount "65"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. bxa5 Nd7 11. Nd2 f5 12. Nb3 Nf6 13. f3 f4 14. Nb5 g5 15. Ba3 h5 16. c5 Ne8 17. Rc1 Rf7 18. Nxc7 Nxc7 19. cxd6 Ng6 20. dxc7 Rxc7 21. Bc4 Kh7 22. d6 Rc6 23. Bd5 Rxc1 24. Qxc1 Bf8 25. Rd1 Kh6 26. Bf7 Ra6 27. Bxg6 Kxg6 28. d7 Bxd7 29. Bxf8 Qxf8 30. Rxd7 Rc6 31. Qd2 g4 32. Rxb7 Rd6 33. Rb6 1-0

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.19"]
[Round "7"]
[White "Korchagin, Oleg"]
[Black "Grabinsky, Vladimir"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2056"]
[BlackElo "2226"]
[PlyCount "73"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Nc6 9. Be2 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 0-0 12. 0-0 b6 13. Rfd1 Bb7 14. Rac1 Rc8 15. h4 Qf6 16. e5 Qe7 17. Rb1 Rfd8 18. Bd3 Na5 19. Qf4 Bxf3 20. Qxf3 Qxh4 21. g3 Qh3 22. Bf1 Qh6 23. Kg2 Nc4 24. Rbc1 b5 25. Qb7 Rb8 26. Qxa7 Ra8 27. Qc5 Rxa2 28. Bxc4 bxc4 29. Qxc4 Ra5 30. Rd3 Qg6 31. Re1 h5 32. Rf3 Rad5 33. Rf4 Qg5 34. Re3 R5d7 35. Ref3 Qg6 36. Qb4 Qc2 37. Rc3 0-1

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.19"]
[Round "8"]
[White "Pacl, Vaclav"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2059"]
[BlackElo "2056"]
[PlyCount "124"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. Bf4 e6 4. e3 Be7 5. h3 d6 6. Nbd2 0-0 7. c3 Nc6 8. Qc2 Nd5 9. Bh2 Bf6 10. e4 fxe4 11. Nxe4 e5 12. Bc4 Be6 13. Qb3 Na5 14. Bxd5 Nxb3 15. Bxe6+ Kh8 16. Bxb3 exd4 17. 0-0 dxc3 18. Nxc3 c6 19. Rad1 d5 20. Nd4 Re8 21. Rd2 Qc8 22. Bc2 g6 23. Bd1 a6 24. Bg4 Qd8 25. Ne6 Qa5 26. Nc7 Bxc3 27. bxc3 Qxc3 28. Rdd1 Rad8 29. Nxe8 Rxe8 30. Rc1 Qf6 31. Rfe1 Re7 32. Rxe7 Qxe7 33. Kf1 h5 34. Re1 Qb4 35. Bd7 Kg7 36. Be5+ Kf7 37. Be6+ Kf8 38. f4 a5 39. f5 gxf5 40. Bxf5 a4 41. Re2 Qc4 42. Bg6 Qc1+ 43. Re1 Qc4+ 44. Kg1 h4 45. Rf1+ Ke7 46. Rf4 Qxa2 47. Rxh4 Qe2 48. Rh7+ Ke6 49. Bb8 Kf6 50. Bh5 Qe1+ 51. Kh2 a3 52. Rf7+ Kg5 53. Bf3 a2 54. Bg3 Qe6 55. h4+ Kg6 56. Rf4 a1Q 57. h5+ Kh7 58. Bg4 Qe7 59. Bf5+ Kh8 60. Bg6 Qae5 61. Rf8+ Kg7 62. Bxe5+ Qxe5+ 0-1

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.18"]
[Round "6"]
[White "Eliseev, Sergey1111"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2053"]
[BlackElo "2056"]
[PlyCount "50"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. h3 d6 6. c4 a5 7. Nc3 Na6 8. a3 c6 9. b4 axb4 10. axb4 0-0 11. Bd3 e5 12. dxe5 dxe5 13. Nxe5 Bxb4 14. Qb3 Nc5 15. Qb2 Rxa1+ 16. Qxa1 Nxd3+ 17. Ke2 Nxf4+ 18. exf4 Qd4 19. Na2 Qe4+ 20. Kf1 Bc5 21. Nc3 Qxf4 22. Nd3 Qxc4 23. Ke2 Re8+ 24. Kd2 Rd8 25. Qb1 Ne4+ 0-1

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.18"]
[Round "4"]
[White "Hagemann, Sven"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2014"]
[BlackElo "2056"]
[PlyCount "59"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. h3 d6 5. Be3 Qb6 6. Rb1 Qc7 7. Nf3 Nd7 8. Qd2 a6 9. Bc4 b5 10. Bxf7+ Kxf7 11. Ng5+ Ke8 12. Ne6 Qb8 13. Nxg7+ Kf7 14. Bh6 Ndf6 15. d5 b4 16. Ne2 Nxh6 17. Qxh6 cxd5 18. exd5 Nxd5 19. Nh5 Bf5 20. Qg7+ Ke6 21. Nhf4+ Nxf4 22. Nxf4+ Kd7 23. Nd5 Qd8 24. 0-0 Be6 25. Nxb4 Qa5 26. a3 Rhg8 27. Qd4 Qc5 28. Qe4 a5 29. Rfe1 Qf5 30. Qb7+ 1-0

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.18"]
[Round "5"]
[White "Korchagin, Oleg"]
[Black "Juchelka, Petr"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2056"]
[BlackElo "1691"]
[PlyCount "108"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 h6 8. Bh4 Nbd7 9. Bd3 c5 10. Nf3 c4 11. Be2 a6 12. a4 0-0 13. 0-0 b6 14. Ne5 Bb7 15. f4 Rc8 16. Bf3 Re8 17. Bf2 Bb4 18. g4 Bxc3 19. bxc3 Nxe5 20. dxe5 Nd7 21. Rfd1 Nc5 22. Rd4 f6 23. exf6 Qxf6 24. Bxd5+ Bxd5 25. Rxd5 Nd3 26. Rd4 Red8 27. Bg3 Rxd4 28. cxd4 Qc6 29. Rf1 b5 30. axb5 axb5 31. Be1 b4 32. Qe2 b3 33. Bc3 Rb8 34. e4 b2 35. Rb1 Rb3 36. Bxb2 Qb5 37. e5 Rxb2 38. Rxb2 Qxb2 39. Qxb2 Nxb2 40. Kf2 Nd3+ 41. Ke3 Kf7 42. f5 Ke7 43. h4 Nb4 44. Kd2 Nd5 45. g5 hxg5 46. hxg5 Kf7 47. f6 g6 48. Ke2 Ke6 49. Kf3 Nb6 50. Ke4 c3 51. Kd3 Nd5 52. Kc2 Kf7 53. Kd3 Ke6 54. Kc2 Kf7 1/2-1/2

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.17"]
[Round "2"]
[White "Blandon, Luis Guillermo"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2239"]
[BlackElo "2056"]
[PlyCount "99"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 0-0 9. 0-0 Qg6 10. Nd2 d5 11. Bh5 Qa6 12. Be2 Qg6 13. Bh5 Qa6 14. b4 Bxd4 15. Bxd4 N5g6 16. Be2 Qe6 17. exd5 Nxd5 18. Bf3 c6 19. Re1 Qf5 20. g3 Be6 21. Be4 Qg4 22. Bf3 Qf5 23. Qe2 a5 24. a3 axb4 25. axb4 Rxa1 26. Rxa1 Qc2 27. Ne4 Qxe2 28. Bxe2 f5 29. Ng5 Bc8 30. Bc5 Re8 31. Bc4 Ne5 32. Bb3 h6 33. Nh3 g5 34. f4 Nf3+ 35. Kg2 g4 36. Nf2 Re2 37. Ra8 Re8 38. Nd3 Bd7 39. Rxe8+ Bxe8 40. c4 Nc3 41. Bd6 Bf7 42. Nc5 b6 43. Nd7 Ne4 44. Be5 Nfd2 45. Ba4 Nxc4 46. Bxc6 Ne3+ 47. Kg1 Bc4 48. Nxb6 Bd3 49. Nd5 Nd2 50. Nxe3 1-0

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.17"]
[Round "3"]
[White "Korchagin, Oleg"]
[Black "Jezbera, Jiri"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2056"]
[BlackElo "2133"]
[PlyCount "56"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. Be3 Nc6 8. d5 Ne7 9. h3 Ne8 10. g4 f5 11. gxf5 gxf5 12. Bg5 Kh8 13. Qd2 Nf6 14. Nh4 Nxe4 15. Nxe4 fxe4 16. 0-0-0 Qe8 17. Rdg1 Nf5 18. Qd1 Nxh4 19. Bxh4 Qf7 20. Kb1 Bf5 21. Bh5 Qd7 22. Ka1 c6 23. Qc1 cxd5 24. Rxg7 Qxg7 25. Rg1 Bg6 26. cxd5 Rac8 27. Qe3 Rf4 28. Bxg6 Rxh4 0-1

[Event "Pardubice op rapid 30th"]
[Site "Pardubice"]
[Date "2019.07.17"]
[Round "1"]
[White "Korchagin, Oleg"]
[Black "Piesik, Piotr"]
[Result "0-1"]
[ECO "A44"]
[WhiteElo "2056"]
[BlackElo "2421"]
[PlyCount "50"]
[EventDate "2019.07.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 Be7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 a6 8. a4 Bg5 9. Qg4 Bxc1 10. Rxc1 Kf8 11. Be2 Ne7 12. 0-0 Ng6 13. g3 h5 14. Qf5 h4 15. Bh5 Rh6 16. f4 Nd7 17. Rce1 hxg3 18. Re3 exf4 19. Bxg6 Rxg6 20. Rxf4 Ne5 21. Ne2 Kg8 22. Kg2 Rg5 23. Nxg3 Rxf5 24. Nxf5 Qg5+ 25. Rg4 Nxg4 0-1

[Event "Riga RTU rapid op"]
[Site "Riga"]
[Date "2019.07.04"]
[Round "8"]
[White "Korchagin, Oleg"]
[Black "Bracker, Arne"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1957"]
[BlackElo "2227"]
[PlyCount "55"]
[EventDate "2019.07.04"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Qc2 Be7 6. Bf4 c6 7. Nc3 g6 8. h3 Bf5 9. Qb3 Qb6 10. Nd2 0-0 11. e3 Nbd7 12. g4 Be6 13. Be2 Qxb3 14. Nxb3 a5 15. Rc1 a4 16. Nd2 a3 17. b3 Bb4 18. Bh6 Rfc8 19. Kd1 Ne8 20. f4 f6 21. Bd3 Nd6 22. f5 Bf7 23. Bf4 g5 24. Bg3 Re8 25. Ke2 Re7 26. Kf3 h5 27. Rhe1 Rae8 28. Bxd6 0-1

[Event "Riga RTU rapid op"]
[Site "Riga"]
[Date "2019.07.04"]
[Round "6"]
[White "Korchagin, Oleg"]
[Black "Solys, Laimutis"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1957"]
[BlackElo "2143"]
[PlyCount "70"]
[EventDate "2019.07.04"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 g6 6. 0-0 Bg7 7. c3 0-0 8. Na3 Nc6 9. f3 e5 10. Ndc2 d5 11. Be3 Re8 12. Qe2 Be6 13. Rad1 Qe7 14. b3 Rad8 15. Bf2 dxe4 16. Bxe4 Nxe4 17. fxe4 h5 18. h3 Rxd1 19. Rxd1 Rd8 20. Be3 Rxd1+ 21. Qxd1 Qh4 22. Qf3 Bf8 23. Nb5 Qd8 24. Qe2 a6 25. Na7 Nxa7 26. Bxa7 Qa5 27. Nb4 Bc5+ 28. Bxc5 Qxc5+ 29. Qf2 Qxc3 30. Nd5 Qc1+ 31. Kh2 Bxd5 32. exd5 Kg7 33. Qb6 Qf4+ 34. Kg1 Qd4+ 35. Qxd4 exd4 0-1

[Event "Riga RTU rapid op"]
[Site "Riga"]
[Date "2019.07.04"]
[Round "4"]
[White "Reizniece Ozola, Dana"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2261"]
[BlackElo "1957"]
[PlyCount "66"]
[EventDate "2019.07.04"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Bg7 7. h4 h6 8. d3 Nc6 9. Bd2 e5 10. Qc1 Be6 11. Ne4 Nd7 12. Be3 Ne7 13. 0-0 Nf5 14. Nc5 Nxc5 15. Bxc5 b6 16. Ba3 c5 17. b4 Rc8 18. bxc5 bxc5 19. Qd2 0-0 20. Rac1 Qb6 21. e4 Nd6 22. Qe3 Nb7 23. Rb1 Qa6 24. Bb2 f6 25. a3 Rfd8 26. Rfd1 Bb3 27. Rd2 Be6 28. Ne1 Kh7 29. f4 h5 30. fxe5 Bh6 31. Qf2 Bxd2 32. Qxd2 f5 33. Bc1 Ba2 1-0

[Event "Pardubice Czech op-A 29th"]
[Site "Pardubice"]
[Date "2018.07.20"]
[Round "1"]
[White "Fataliyeva, Ulviyya Hasil Qizi"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2344"]
[BlackElo "2097"]
[PlyCount "47"]
[EventDate "2018.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 0-0 8. c3 d5 9. exd5 Nxd5 10. Bg5 Be7 11. Bxe7 Ndxe7 12. Re1 Ng6 13. Re3 Bf5 14. d4 exd4 15. Nxd4 Nxd4 16. cxd4 Qd6 17. Nc3 Rad8 18. Qh5 Qd7 19. Rae1 Bg4 20. Qe5 Qxd4 21. Qxc7 Qd7 22. Qg3 Qc8 23. Ne4 Be6 24. Nd6 1-0

[Event "EST-ch U20"]
[Site "Tallinn"]
[Date "2018.04.26"]
[Round "2"]
[White "Ivanov, Platon Jaan"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2271"]
[BlackElo "2125"]
[PlyCount "115"]
[EventDate "2018.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. c4 e6 4. Bg2 c6 5. Qc2 d5 6. Nh3 Bb4+ 7. Nd2 Ne4 8. 0-0 Nxd2 9. Bxd2 Bxd2 10. Qxd2 0-0 11. b3 Nd7 12. f3 Nf6 13. Nf2 dxc4 14. bxc4 e5 15. e3 Be6 16. Qc3 exd4 17. exd4 Qc7 18. Nd3 Rad8 19. Rfe1 Rfe8 20. Ne5 Qb6 21. Rad1 a5 22. f4 Qb4 23. Qd3 Ng4 24. d5 cxd5 25. Nxg4 fxg4 26. cxd5 Bd7 27. Re5 Ba4 28. Rb1 Qc5+ 29. Kh1 b6 30. Rbe1 Qd6 31. Qe4 Bd7 32. Bf1 g6 33. Bg2 Kf7 34. Qd4 Qc5 35. Qb2 Qd6 36. Rb1 Rc8 37. Rbe1 Rcd8 38. Qf2 Rc8 39. Qd4 Qc5 40. Qb2 Qd6 41. Qd2 Rcd8 42. Qb2 Rc8 43. Rxe8 Rxe8 44. Rxe8 Bxe8 45. Qh8 h5 46. Qe5 Qc5 47. h4 Bd7 48. Qg5 Qe7 49. Qe5 Qc5 50. Qb8 Ke7 51. Qe5+ Kf7 52. Qh8 Qc7 53. Qh7+ Kf6 54. Qg8 Qc8 55. Qh7 Qe8 56. Kh2 b5 57. Qh6 Bf5 58. Qh7 1/2-1/2

[Event "EST-ch U20"]
[Site "Tallinn"]
[Date "2018.04.25"]
[Round "1"]
[White "Shishkov, Andrei"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2366"]
[BlackElo "2125"]
[PlyCount "71"]
[EventDate "2018.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 e5 5. Nc3 d6 6. e4 Bg7 7. Be3 Na6 8. Bd3 Bd7 9. Nge2 Nc7 10. a3 0-0 11. b4 b6 12. Qd2 Nfe8 13. g4 f6 14. Ng3 Rf7 15. 0-0 Bf8 16. h3 g5 17. Rf2 Ng7 18. h4 gxh4 19. Nf5 Nxf5 20. exf5 Qe8 21. Ne4 Kh8 22. Rh2 cxb4 23. axb4 b5 24. Rxh4 bxc4 25. Bxc4 Bb5 26. Bb3 Be7 27. Bxa7 Qc8 28. Ra2 Qb7 29. Be3 Rxa2 30. Bxa2 Qa6 31. Nc3 Bc4 32. g5 Bxa2 33. g6 Nxd5 34. Nxd5 Qa8 35. gxf7 Bxd5 36. Rxh7+ 1-0

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2017.08.06"]
[Round "7"]
[White "Haitin, Ilja"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2307"]
[BlackElo "2158"]
[PlyCount "60"]
[EventDate "2017.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 0-0 7. Rc1 c6 8. e3 Nd7 9. Nxd5 cxd5 10. Qb3 e6 11. Bd3 Nb8 12. Qc3 Nc6 13. b4 a6 14. a4 Bd7 15. b5 axb5 16. axb5 Na5 17. 0-0 b6 18. Ne5 Ra7 19. Qb2 Bxe5 20. dxe5 Nc4 21. Bxc4 dxc4 22. Rfd1 Qc7 23. Bb4 Rc8 24. Bd6 c3 25. Qc2 Qc4 26. Rd4 Qxb5 27. Rb4 Qd5 28. Rxb6 Ra2 29. Qxc3 Qxd6 30. Qxc8+ Bxc8 1-0

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2017.08.05"]
[Round "6"]
[White "Ivanov, Platon Jaan"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1978"]
[BlackElo "2158"]
[PlyCount "44"]
[EventDate "2017.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Bg4 5. g3 Bxf3 6. exf3 Nd7 7. Bg2 c5 8. Be3 Nh6 9. dxc5 dxc5 10. g4 Ne5 11. Qe2 Qd3 12. Nd5 Rc8 13. Rc1 e6 14. Nf6+ Bxf6 15. Bxh6 Qxe2+ 16. Kxe2 Nc6 17. Be3 b6 18. Rb1 h5 19. h3 Ke7 20. f4 hxg4 21. hxg4 Rxh1 22. Bxh1 Nd4+ 1/2-1/2

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2017.08.04"]
[Round "5"]
[White "Korchagin, Oleg"]
[Black "Medar, Marti"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2158"]
[BlackElo "1980"]
[PlyCount "70"]
[EventDate "2017.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 c6 4. e4 Qc7 5. Be2 e5 6. Nf3 Bg4 7. Be3 Nbd7 8. 0-0 a5 9. d5 Nc5 10. Nd2 h5 11. f3 Bd7 12. a3 h4 13. Rb1 Nh5 14. b4 Na6 15. dxc6 bxc6 16. b5 Nc5 17. Nb3 Ne6 18. b6 Qb7 19. c5 a4 20. Nd2 d5 21. exd5 cxd5 22. Nb5 Nhf4 23. Re1 h3 24. g3 Ng2 25. Bf2 Nxe1 26. Qxe1 Be7 27. Bf1 f6 28. f4 exf4 29. gxf4 Kf8 30. f5 Nxc5 31. Qxe7+ Kxe7 32. Bxc5+ Kd8 33. Nd6 Qc6 34. Rc1 Ra5 35. Nf7+ Kc8 0-1

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2017.08.04"]
[Round "4"]
[White "Pedoson, Georg Aleksander"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "A96"]
[WhiteElo "2036"]
[BlackElo "2158"]
[PlyCount "60"]
[EventDate "2017.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. g3 Be7 5. Bg2 d6 6. 0-0 0-0 7. Nc3 c6 8. a3 Qe8 9. Qc2 d5 10. Ne5 Nbd7 11. cxd5 exd5 12. Nd3 Ne4 13. f3 Nd6 14. b3 Bf6 15. e3 g5 16. Bd2 Qg6 17. f4 g4 18. Ne5 Qg7 19. Na4 Bxe5 20. fxe5 Ne4 21. Bxe4 fxe4 22. Bb4 Rf3 23. Rae1 Qh6 24. Bd6 Nf8 25. Bxf8 Qxf8 26. Qc1 Be6 27. Nc5 Qf7 28. Qd2 Rf8 29. Qe2 Bc8 30. b4 a6 1/2-1/2

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2017.08.03"]
[Round "3"]
[White "Korchagin, Oleg"]
[Black "Vaino, Nikita"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2158"]
[BlackElo "1780"]
[PlyCount "87"]
[EventDate "2017.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. cxd5 exd5 6. Bg5 h6 7. Bh4 Bf5 8. e3 Qb6 9. Qc1 Ne4 10. Be2 Bd6 11. 0-0 0-0 12. Nd2 Nd7 13. Ncxe4 Bxe4 14. Bg3 Bxg3 15. hxg3 Bh7 16. a3 Rac8 17. b4 a5 18. Qc3 a4 19. Rac1 Qd8 20. b5 Qb6 21. Qb4 c5 22. Qxa4 Ra8 23. Qb3 cxd4 24. exd4 Qxd4 25. Nf3 Qa7 26. Ra1 Nf6 27. b6 Qa4 28. Qxa4 Rxa4 29. Bb5 Raa8 30. a4 Bc2 31. Nd4 Rfc8 32. Rac1 Bg6 33. Rc7 Rxc7 34. bxc7 Kf8 35. Rc1 Rc8 36. Rc5 Ke7 37. a5 Nd7 38. Bxd7 Kxd7 39. Nb5 f6 40. Rxd5+ Kc6 41. Na7+ Kxd5 42. Nxc8 Kc6 43. Ne7+ Kxc7 44. Nxg6 1-0

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2017.08.02"]
[Round "2"]
[White "Sirosh, Ilja"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2299"]
[BlackElo "2158"]
[PlyCount "125"]
[EventDate "2017.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ c6 8. Be2 0-0 9. Qa3 b6 10. Nf3 Bb7 11. Bg5 Re8 12. 0-0 Qd6 13. Qa4 Qc7 14. Rac1 Nd7 15. e5 Nf8 16. Be3 Rac8 17. Qb3 c5 18. Ng5 c4 19. Qc2 f6 20. exf6 exf6 21. Nf3 Be4 22. Qd2 Ne6 23. Ne1 f5 24. f3 Bd5 25. Nc2 a5 26. Rb1 f4 27. Bf2 Bh6 28. Rfe1 Ng7 29. Bf1 Nf5 30. Re5 Bf7 31. Rbe1 Bg7 32. Qxf4 Bxe5 33. dxe5 b5 34. h4 Be6 35. g4 Ng7 36. a3 Qb7 37. Qg3 Bd5 38. f4 Be4 39. Nd4 b4 40. axb4 axb4 41. cxb4 c3 42. Nb5 c2 43. Nd6 Qxb4 44. Nxe8 Nxe8 45. Be3 Rc3 46. Qf2 Qb3 47. Bc1 Bd5 48. Re3 Nc7 49. f5 Nb5 50. Bxb5 Rxe3 51. Qxe3 Qxb5 52. Qd4 Qb3 53. Kf2 Qf3+ 54. Ke1 Qh1+ 55. Kd2 Qd1+ 56. Kc3 gxf5 57. gxf5 Qf3+ 58. Kb4 Qe4 59. Kc5 Qxd4+ 60. Kxd4 Bf3 61. e6 Bg4 62. Ke5 Bh5 63. f6 1-0

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2017.08.01"]
[Round "1"]
[White "Korchagin, Oleg"]
[Black "Ioganson, Oleg"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2158"]
[PlyCount "138"]
[EventDate "2017.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 dxc4 6. Bxc4 b5 7. Bd3 a5 8. 0-0 Be7 9. b3 0-0 10. Bb2 Ba6 11. Ne5 Qc7 12. Rc1 Qb7 13. Qf3 Rd8 14. Ne4 b4 15. Bc4 Bxc4 16. Rxc4 Ra6 17. Rfc1 Qa8 18. Nxf6+ Bxf6 19. Nxc6 Nxc6 20. Rxc6 a4 21. R6c2 h6 22. Qxa8 Raxa8 23. f4 Kf8 24. Kf2 a3 25. Ba1 Ke7 26. Rc7+ Rd7 27. Ke2 Ra7 28. Rxa7 Rxa7 29. Rc4 Rb7 30. e4 Kd7 31. Kd3 Rb5 32. g4 Be7 33. Rc2 g6 34. h3 f5 35. Rg2 fxe4+ 36. Kxe4 Bf6 37. Rc2 Be7 38. Rf2 Kc6 39. Rc2+ Kd7 40. Rc1 Bf6 41. Rc2 Be7 42. Kd3 Rb6 43. Rc4 Bd6 44. Ke4 Rc6 45. f5 exf5+ 46. gxf5 gxf5+ 47. Kxf5 Bg3 48. Rxc6 Kxc6 49. Ke6 h5 50. d5+ Kc5 51. Bf6 Bd6 52. Bg7 h4 53. Bh6 Bc7 54. Be3+ Kb5 55. Bg5 Kc5 56. Bxh4 Kd4 57. Be1 Ba5 58. d6 Kd3 59. d7 Kc2 60. Bxb4 Bxb4 61. d8Q Kb2 62. Qd1 Bc3 63. Qe2+ Ka1 64. b4 Bxb4 65. Qc2 Bf8 66. h4 Bg7 67. h5 Bb2 68. Qb3 Bc1 69. Kf5 Bd2 1-0

[Event "Keres Memorial rap 26th"]
[Site "Tallinn"]
[Date "2017.01.14"]
[Round "2"]
[White "Ehlvest, Jaan"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "A44"]
[WhiteElo "2536"]
[BlackElo "2158"]
[PlyCount "71"]
[EventDate "2017.01.14"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "EST"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. Nc3 d6 4. Nf3 Be7 5. h3 h6 6. g3 a6 7. a4 b6 8. Bg2 Bg5 9. Nxg5 hxg5 10. Rb1 f6 11. b4 Nd7 12. Ne4 Qc7 13. Be3 Ne7 14. a5 Rb8 15. axb6 Rxb6 16. bxc5 Rxb1 17. Qxb1 Nxc5 18. Bxc5 dxc5 19. Qa2 Nf5 20. Qa3 Nd4 21. Qxc5 Qxc5 22. Nxc5 Nxc2+ 23. Kd2 Nd4 24. d6 Bd7 25. Rc1 Bb5 26. e3 Nf5 27. Nb7 Kd7 28. Ke1 Rc8 29. Rxc8 Kxc8 30. g4 Nh6 31. Nc5 Nf7 32. Bb7+ Kd8 33. Bxa6 Bxa6 34. Nxa6 Nxd6 35. Nc5 Ke7 36. Ke2 1/2-1/2

[Event "Keres Memorial rap 26th"]
[Site "Tallinn"]
[Date "2017.01.14"]
[Round "3"]
[White "Korchagin, Oleg"]
[Black "Neiksans, Arturs"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2158"]
[BlackElo "2627"]
[PlyCount "70"]
[EventDate "2017.01.14"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "EST"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. 0-0 cxd4 8. Nxd4 Bxg2 9. Kxg2 Bc5 10. Rd1 0-0 11. b4 Be7 12. Na3 Qc8 13. f3 a6 14. Be3 Qb7 15. Kf2 d5 16. c5 bxc5 17. bxc5 Bxc5 18. Rab1 Qd7 19. Qb3 e5 20. Ndc2 d4 21. Kg2 Nd5 22. Bd2 Nc6 23. Nc4 Qe6 24. Qa4 f5 25. Rb3 e4 26. Re1 h6 27. Na5 Nxa5 28. Qxa5 Rac8 29. Qa4 Nb6 30. Qxa6 Ra8 31. Qb5 Rxa2 32. Rb2 Rxb2 33. Qxb2 Nc4 34. Qc1 d3 35. exd3 exf3+ 0-1

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.04.04"]
[Round "9"]
[White "Kanep, Meelis"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "2518"]
[BlackElo "2148"]
[PlyCount "37"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. c4 d6 6. Nc3 0-0 7. 0-0 a5 8. Qc2 Na6 9. a3 c5 10. b3 Bd7 11. Bb2 Rc8 12. Rfd1 Rc7 13. d5 e5 14. Nxe5 dxe5 15. d6 Bxd6 16. Rxd6 Qe7 17. Rad1 Bc6 18. Bxc6 bxc6 19. Qxf5 1-0

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.04.03"]
[Round "8"]
[White "Korchagin, Oleg"]
[Black "Kulaots, Kaido"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2148"]
[BlackElo "2575"]
[PlyCount "135"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Bd3 c5 8. dxc5 Bxc5 9. a3 Bb7 10. b4 Be7 11. Bb2 Nbd7 12. e4 0-0 13. 0-0 Rc8 14. Qe2 Nb6 15. Rad1 Qc7 16. Nd2 Bd6 17. g3 Nbd7 18. Rfe1 Ne5 19. Bb1 Rfd8 20. h3 Ned7 21. Kh2 Qb6 22. Rf1 Be5 23. Rc1 h6 24. f4 Bb8 25. Nf3 Ba7 26. Rce1 Nf8 27. Nd1 Ne8 28. Nf2 Ba8 29. Ba1 Qb7 30. Ng4 Nd7 31. Rd1 Nb6 32. Rde1 Nc4 33. Qa2 Qc7 34. Re2 Qd6 35. Nge5 Nxe5 36. Nxe5 Qe7 37. Ng4 Bd4 38. Rfe1 Bxa1 39. Qxa1 Qc7 40. h4 h5 41. Nf2 Nf6 42. Qb2 Qb6 43. Rc1 Bb7 44. Rxc8 Rxc8 45. Ba2 Qc7 46. Bb1 Qb6 47. Qd2 Rd8 48. Qc2 Qd4 49. Qc7 Ba8 50. Qc2 g6 51. Qb2 Qxb2 52. Rxb2 Rd4 53. Re2 Rc4 54. Rc2 e5 55. Rxc4 bxc4 56. Kg1 Nd7 57. Nd1 Kf8 58. Kf2 Ke7 59. Ke3 Kd6 60. Kd2 Nf6 61. Nf2 exf4 62. gxf4 Ng4 63. Nd1 Nh2 64. Ke3 Nf1+ 65. Ke2 Ng3+ 66. Ke3 Nf1+ 67. Ke2 Ng3+ 68. Ke3 1/2-1/2

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.04.02"]
[Round "7"]
[White "Holvason, Juri"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2118"]
[BlackElo "2148"]
[PlyCount "100"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. g3 d6 5. Bg2 Nd7 6. Nge2 Ngf6 7. 0-0 0-0 8. a4 Qc7 9. h3 e5 10. Be3 Re8 11. Qd2 Nf8 12. Rad1 Be6 13. f4 Bc4 14. Rf2 Bxe2 15. Rxe2 Nh5 16. Kh2 exf4 17. gxf4 f5 18. Bf3 Nf6 19. exf5 d5 20. Rg1 gxf5 21. Reg2 Ng6 22. h4 Kh8 23. Kh1 Bh6 24. Rxg6 hxg6 25. Rxg6 Bg7 26. Bf2 Nh7 27. Ne2 Qf7 28. Bh5 Re6 29. Rg5 Qf6 30. Rg2 Qh6 31. Ng3 Rf8 32. Kg1 Bf6 33. Rh2 Be7 34. Bf3 Bd6 35. Ne2 Nf6 36. Kf1 Ne4 37. Bxe4 fxe4 38. Be3 Qh5 39. Ke1 Rg6 40. c3 Rg4 41. Rf2 Rxh4 42. Kd1 Rh2 43. Qe1 Rg8 44. Rxh2 Qxh2 45. Qf1 Qg2 46. Qe1 Qh3 47. Kd2 Rg2 48. f5 Qf3 49. Qh4+ Kg7 50. Qh6+ Kg8 1/2-1/2

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.04.01"]
[Round "6"]
[White "Korchagin, Oleg"]
[Black "Vorobjov, Pavel"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2148"]
[BlackElo "2101"]
[PlyCount "44"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Bb2 a6 9. Rd1 b5 10. c5 Bb8 11. Be2 Qc7 12. h4 Re8 13. Nb1 Ne4 14. Ng5 f5 15. Bd3 Ndf6 16. f4 Ng4 17. Bxe4 Nxe3 18. Qe2 Nxd1 19. Bc1 dxe4 20. Nxh7 e3 21. Rf1 Nf2 22. Qh5 Qf7 0-1

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.03.31"]
[Round "5"]
[White "Volodin, Aleksandr"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2419"]
[BlackElo "2148"]
[PlyCount "55"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Bd2 Bg4 10. Be2 0-0 11. Qb3 Nc6 12. d5 Bxf3 13. gxf3 c4 14. Qxc4 Rac8 15. dxc6 Rxc6 16. Qb5 Qc7 17. Rd1 Rc5 18. Qa4 b5 19. Qb3 Qc8 20. h4 Rd8 21. h5 Qc7 22. hxg6 hxg6 23. Be3 Rxc3 24. Rxd8+ Qxd8 25. Qxb5 Ra3 26. Bc4 Qc8 27. Bb3 a6 28. Qc5 1-0

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.03.30"]
[Round "4"]
[White "Korchagin, Oleg"]
[Black "Jakovlev, Juri"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2148"]
[BlackElo "2113"]
[PlyCount "85"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 e6 7. e3 Nbd7 8. Nxc4 Qc7 9. Be2 Be7 10. 0-0 0-0 11. Bd2 Rac8 12. Rc1 Qb8 13. Qb3 Rfd8 14. Rfd1 c5 15. Be1 cxd4 16. exd4 Ne4 17. Ne3 Nxc3 18. bxc3 Be4 19. c4 Bd6 20. Nf1 Nf6 21. Bd2 Bf4 22. g3 Bxd2 23. Rxd2 e5 24. Rcd1 exd4 25. Rxd4 Qc7 26. Qe3 Re8 27. Qd2 b6 28. Ne3 Bc6 29. Nd5 Qe5 30. Bf1 Ne4 31. Qb4 Qf5 32. f4 Nc5 33. a5 Qe6 34. axb6 axb6 35. Bg2 h5 36. R4d2 Nd7 37. Rd3 Qg6 38. Ne7+ Rxe7 39. Qxe7 Ba4 40. Rxd7 Bxd1 41. Rd8+ Rxd8 42. Qxd8+ Kh7 43. Qxd1 1-0

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.03.29"]
[Round "3"]
[White "Schuls, Olev"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2237"]
[BlackElo "2148"]
[PlyCount "100"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 Ba7 7. Nbd2 d6 8. h3 h6 9. Nf1 Qe7 10. Be3 Bd7 11. Bxa7 Nxa7 12. Ne3 Nc8 13. Nh2 Nb6 14. Nhg4 Be6 15. Qf3 Nxg4 16. hxg4 0-0-0 17. 0-0-0 Bxb3 18. axb3 f6 19. d4 exd4 20. Rxd4 Rhe8 21. Nf5 Qf8 22. Qf4 Re5 23. Rhd1 Kb8 24. f3 Rde8 25. Kc2 Qf7 26. Ne3 h5 27. gxh5 Rxh5 28. Nf5 g6 29. Ne3 Rhe5 30. Ng4 R5e6 31. Nf2 Rh8 32. Nh3 Re5 33. Qg3 Qe8 34. Qf4 Rf8 35. R1d2 Qe7 36. Qg3 Qe8 37. Nf4 Rg8 38. Qf2 f5 39. Re2 g5 40. Nd3 Re6 41. Nc1 Qg6 42. Kd2 Rge8 43. exf5 Qxf5 44. Rxe6 Rxe6 45. Rd3 Nd5 46. Ne2 c5 47. Ng3 Qf4+ 48. Kc2 Ne3+ 49. Kb1 d5 50. Ne4 Rxe4 0-1

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.03.28"]
[Round "2"]
[White "Korchagin, Oleg"]
[Black "Sepp, Olav"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2148"]
[BlackElo "2442"]
[PlyCount "90"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 f5 11. Nd2 Nf4 12. Bf1 fxe4 13. Ndxe4 Nf5 14. g3 Nh5 15. Bg2 Nf6 16. Bg5 h6 17. Bxf6 Bxf6 18. a4 Bg7 19. Ra3 Nd4 20. Nb5 Bf5 21. Nxd4 exd4 22. Nd2 Qd7 23. Be4 Rae8 24. Bxf5 Rxf5 25. Rxe8+ Qxe8 26. Kg2 c6 27. Rf3 Re5 28. Qb3 Kh7 29. dxc6 bxc6 30. Qd3 c5 31. b5 Re1 32. a5 h5 33. Rf4 Rd1 34. Qe4 Qxe4+ 35. Nxe4 d3 36. a6 d2 37. Rf7 Rg1+ 38. Kxg1 d1Q+ 39. Kg2 Qd4 40. Ng5+ Kh6 41. Rf4 Qd3 42. h4 d5 43. Nf7+ Kh7 44. Nd6 dxc4 45. Nxc4 Qd7 0-1

[Event "EST-ch"]
[Site "Tartu"]
[Date "2010.03.27"]
[Round "1"]
[White "Korchagin, Oleg"]
[Black "Seeman, Tarvo"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2148"]
[BlackElo "2421"]
[PlyCount "94"]
[EventDate "2010.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "EST"]
[EventCategory "3"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Na6 8. Be3 c6 9. d5 Ng4 10. Bg5 f6 11. Bh4 c5 12. h3 Nh6 13. Ne1 Qe7 14. a3 Bd7 15. Nd3 b6 16. f3 Nf7 17. Kh2 Bh6 18. Qe1 Bg5 19. Bf2 f5 20. Bd1 Nc7 21. Ba4 fxe4 22. fxe4 Bxa4 23. Nxa4 b5 24. cxb5 Nxb5 25. b4 c4 26. Nc1 Nd4 27. Ra2 Rac8 28. Nc3 Bf4+ 29. Kh1 Qg5 30. N1e2 Nb3 31. Bh4 Qh6 32. Nxf4 exf4 33. Be7 Rfe8 34. Qh4 Qxh4 35. Bxh4 g5 36. Bf2 a6 37. Rc2 Kg7 38. Kh2 h5 39. g3 f3 40. g4 hxg4 41. Rg1 Ne5 42. Rxg4 Nxg4+ 43. hxg4 Kg6 44. Kg3 Rh8 45. Na4 Rce8 46. Nb6 Rxe4 47. Kxf3 Rf4+ 0-1

[Event "Hiiumaa Summer op"]
[Site "Kardla"]
[Date "2009.??.??"]
[Round "7"]
[White "Fomina, Tatyana"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2230"]
[BlackElo "2165"]
[PlyCount "74"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. Nc3 Bg7 3. Bg5 c6 4. Qd2 d6 5. e4 b5 6. a3 a6 7. Nf3 Nd7 8. h4 h5 9. g3 Nb6 10. Bg2 f6 11. Be3 Nc4 12. Qc1 Qb6 13. 0-0 Nh6 14. b3 Nxe3 15. Qxe3 0-0 16. Rfe1 Ng4 17. Qd3 e5 18. Re2 Ra7 19. d5 c5 20. a4 b4 21. Nd1 Bh6 22. Nb2 Qd8 23. Nh2 f5 24. exf5 gxf5 25. Nxg4 hxg4 26. Nc4 Qf6 27. Rae1 e4 28. Qd1 a5 29. Ne3 Ba6 30. Rd2 Qc3 31. Bf1 Bxf1 32. Kxf1 Rg7 33. Qe2 Kh8 34. Rdd1 f4 35. Nxg4 fxg3 36. Qxe4 gxf2 37. Nxf2 Qg3 0-1

[Event "Hiiumaa Summer op"]
[Site "Kardla"]
[Date "2009.??.??"]
[Round "6"]
[White "Korchagin, Oleg"]
[Black "Soot, Margus"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2165"]
[BlackElo "2105"]
[PlyCount "161"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 0-0 7. Qc2 d5 8. cxd5 Nxd5 9. 0-0 Nxc3 10. bxc3 c5 11. Ng5 Bxg5 12. Bxb7 Bxc1 13. Bxa8 Bg5 14. dxc5 Na6 15. Be4 f5 16. Rad1 Qe7 17. Bg2 Nxc5 18. f4 Bf6 19. c4 Qc7 20. e4 g6 21. e5 Be7 22. h4 Rc8 23. Kh2 Kf7 24. Rf2 h5 25. Rfd2 Rb8 26. Qb1 Rc8 27. Qb5 Kf8 28. Rd4 Kf7 29. R1d2 Kf8 30. Qb1 Kf7 31. Bf3 Rb8 32. Qd1 Rh8 33. Qe2 Qc8 34. Qd1 Qc7 35. Rb2 Kg7 36. Rb5 Rb8 37. a4 Rc8 38. Qa1 Kf7 39. Qa2 a5 40. Rb2 Rd8 41. Rbd2 Rxd4 42. Rxd4 Qc8 43. Qc2 Qe8 44. Bd1 Qc6 45. Qg2 Qxg2+ 46. Kxg2 Ke8 47. Kf3 Bd8 48. Bc2 Bc7 49. Ke2 Ke7 50. Rd1 Bb8 51. Rd2 Bc7 52. Kd1 Bb8 53. Kc1 Bc7 54. Kb2 Bd8 55. Ka3 Ke8 56. Kb2 Be7 57. Ka2 Bd8 58. Rd6 Bc7 59. Rd2 Bd8 60. Bd1 Bc7 61. Bf3 Ke7 62. Bc6 Bb8 63. Kb2 Bc7 64. Kc2 Bb8 65. Kc3 Bc7 66. Rd1 Bb8 67. Rb1 Bc7 68. Kd4 Bd8 69. Rb5 Nxa4 70. Rxa5 bxa5 71. Bxa4 Bb6+ 72. c5 Ba7 73. Kc4 Kd8 74. Bc6 Ke7 75. Ba4 Kd8 76. Kb5 Kc7 77. Bc2 Bb8 78. Bb3 Kd7 79. Kb6 Bc7+ 80. Kb7 Kd8 81. Ba4 1-0

[Event "Hiiumaa Summer op"]
[Site "Kardla"]
[Date "2009.??.??"]
[Round "3"]
[White "Kulaots, Kaido"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2570"]
[BlackElo "2165"]
[PlyCount "107"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 Ba7 7. Nbd2 d6 8. h3 h6 9. Nf1 Ne7 10. Ng3 Ng6 11. d4 Qe7 12. 0-0 Bd7 13. Re1 0-0-0 14. Be3 Kb8 15. Qc1 Nh7 16. Nf5 Qf6 17. Bc2 Ne7 18. Ng3 g5 19. dxe5 dxe5 20. Bxa7+ Kxa7 21. Qe3+ Kb8 22. Nh5 Qg6 23. Nxe5 Qxh5 24. Bd1 Qh4 25. Nxd7+ Rxd7 26. Bg4 Nf6 27. Bxd7 Nxd7 28. e5 Nc6 29. e6 fxe6 30. Qxe6 Nb6 31. Re4 Qh5 32. Rae1 Rd8 33. R1e2 Ka7 34. Kh2 Nd5 35. g3 Rd6 36. Qg4 Qf7 37. Re6 h5 38. Qe4 Rd7 39. Rd2 Nb6 40. Rxd7 Qxf2+ 41. Qg2 Qxg2+ 42. Kxg2 Nxd7 43. Rg6 g4 44. h4 Nce5 45. Rg5 Nc4 46. Rxh5 Nxb2 47. Rd5 Nf6 48. Rf5 Ne4 49. h5 Nd1 50. Kh2 Ne3 51. Re5 Nd2 52. Kh1 Nec4 53. Re7 Nd6 54. h6 1-0

[Event "Hiiumaa Summer op"]
[Site "Kardla"]
[Date "2009.??.??"]
[Round "5"]
[White "Tuul, Tarmo"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2035"]
[BlackElo "2165"]
[PlyCount "115"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "EST"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 c6 6. Bg2 d6 7. 0-0 Re8 8. d3 Nbd7 9. e4 e5 10. Nc3 a5 11. a3 Nc5 12. b4 axb4 13. axb4 Rxa1 14. Bxa1 Ne6 15. Ne1 Qb6 16. Nc2 Qa7 17. h3 Nh5 18. Kh2 Qb6 19. Bf3 Nf6 20. Qd2 h6 21. Bg2 Nh5 22. Ne2 Qd8 23. b5 Bd7 24. bxc6 bxc6 25. f4 exf4 26. gxf4 Bxa1 27. Rxa1 Qh4 28. Rf1 c5 29. Qe1 Qxe1 30. Nxe1 Rb8 31. f5 Neg7 32. fxg6 fxg6 33. Nc3 Rb2 34. h4 Ne6 35. Nd5 Kg7 36. Kg1 Nd4 37. Nf3 Ne2+ 38. Kh2 Nef4 39. Nxf4 Nxf4 40. Ne1 g5 41. hxg5 hxg5 42. Kg3 Rd2 43. Rf3 Re2 44. Rf1 Rd2 45. Rf3 Kh6 46. Re3 Kg6 47. e5 dxe5 48. Rxe5 Nxg2 49. Nxg2 Rxd3+ 50. Kf2 Rd2+ 51. Kg3 Bf5 52. Rxc5 Be4 53. Ne3 Re2 54. Nd5 Rg2+ 55. Kh3 Rc2 56. Rc6+ Kg7 57. Rc7+ Kg6 58. Rc6+ 1/2-1/2

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.20"]
[Round "9"]
[White "Korchagin, Oleg"]
[Black "Chocenka, Dmitrijus"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2179"]
[BlackElo "2289"]
[PlyCount "122"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 d5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 d4 7. Ne4 Nd5 8. Rb1 f5 9. Nc5 Qd6 10. Na4 c5 11. c4 Nc7 12. Bd2 a5 13. Qc1 Re8 14. e3 dxe3 15. Bxe3 b6 16. Bh6 Bh8 17. d4 cxd4 18. c5 bxc5 19. Nxc5 Nba6 20. Nb3 e5 21. Nxa5 e4 22. Nc4 Qc5 23. Ng5 Nb4 24. a3 Nd3 25. b4 Qe7 26. Qc2 Ne6 27. Nxe4 Nxb4 28. axb4 fxe4 29. Qxe4 Rb8 30. Na5 Qf7 31. Qc6 Bd7 32. Qd6 Bb5 33. Rfe1 Rbd8 34. Qb6 Bd3 35. Nb7 Bxb1 36. Nxd8 Rxd8 37. Rxb1 d3 38. Bh3 Re8 39. Be3 d2 40. Bxe6 Rxe6 41. Qd8+ Re8 42. Qxd2 Be5 43. Rd1 h5 44. Qd5 Re6 45. h4 Bxg3 46. fxg3 Rxe3 47. Qxf7+ Kxf7 48. Kf2 Rb3 49. Rd4 Ke6 50. Rc4 Kd5 51. Rf4 Ke5 52. Kg2 Rb2+ 53. Kh3 Rb3 54. Rc4 Kf6 55. Rc6+ Kg7 56. Rc4 Kf6 57. Kg2 Ke6 58. g4 Kd5 59. Rc5+ Kd6 60. Rg5 Rxb4 61. Rxg6+ Ke7 1/2-1/2

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.19"]
[Round "7"]
[White "Korchagin, Oleg"]
[Black "Labuckas, Aidas"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2179"]
[BlackElo "2288"]
[PlyCount "74"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 0-0 5. Bg5 h6 6. Bh4 d5 7. e3 c6 8. f3 Nbd7 9. a3 Bxc3+ 10. bxc3 Re8 11. cxd5 exd5 12. Bf2 c5 13. Ne2 Qa5 14. Qd2 Nb6 15. Ng3 Bd7 16. Bd3 Rac8 17. Ne2 Bb5 18. Bxb5 Qxb5 19. 0-0 Nc4 20. Qd3 Qa6 21. Ng3 Nxe3 22. Qxa6 bxa6 23. Bxe3 Rxe3 24. Nf5 Re6 25. Rfe1 Kf8 26. Rxe6 fxe6 27. Nd6 Rc6 28. dxc5 Rxc5 29. Re1 Rxc3 30. Rxe6 Rxa3 31. Kf2 d4 32. g4 d3 33. h4 Ra2+ 34. Ke1 Kg8 35. Re3 Nd5 36. Rxd3 Nf4 37. Rb3 Ng2+ 0-1

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.19"]
[Round "8"]
[White "Zapolskis, Antanas J"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "C51"]
[WhiteElo "2351"]
[BlackElo "2179"]
[PlyCount "63"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Be2 d6 7. 0-0 Nf6 8. d3 a6 9. a4 Bd7 10. c4 h6 11. Nc3 Bg4 12. Rb1 Bc5 13. Kh1 Bxf3 14. Bxf3 b6 15. Ne2 Ra7 16. d4 exd4 17. Nxd4 Nd7 18. Be2 Bxd4 19. Qxd4 Qf6 20. Qd1 Qe6 21. Qc2 Kd8 22. Bd2 Re8 23. f3 Ke7 24. Rbe1 Kf8 25. f4 axb5 26. axb5 Nc5 27. e5 Nab3 28. Bc3 dxe5 29. Bxe5 f6 30. Bc3 Qe4 31. Bh5 Ra1 32. Qxe4 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.18"]
[Round "5"]
[White "Daskevics, Vadims"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D77"]
[WhiteElo "2332"]
[BlackElo "2179"]
[PlyCount "73"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d5 6. 0-0 dxc4 7. Na3 Na6 8. Qc2 c5 9. dxc5 Qa5 10. Nxc4 Qxc5 11. Nfe5 Nb4 12. Qa4 Ng4 13. Bd2 Nxe5 14. Nxe5 Qxe5 15. Bxb4 Bf6 16. Ba3 a6 17. Qe4 Qxe4 18. Bxe4 Rb8 19. Rab1 b6 20. Rfd1 Bb7 21. Bxb7 Rxb7 22. Rbc1 b5 23. b4 Ra8 24. Rc2 a5 25. bxa5 Rxa5 26. Rd8+ Kg7 27. Bb4 Raa7 28. a3 Rd7 29. Re8 h5 30. Kg2 g5 31. Rcc8 Rac7 32. Rxc7 Rxc7 33. Rb8 Rc2 34. e3 e5 35. Bf8+ Kg6 36. Rb6 Rc7 37. Bd6 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.18"]
[Round "6"]
[White "Stasans, Aivars"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2240"]
[BlackElo "2179"]
[PlyCount "65"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 b5 6. Bd3 a6 7. 0-0 Nd7 8. Re1 e5 9. dxe5 dxe5 10. a4 Rb8 11. axb5 axb5 12. Be3 Ngf6 13. Ra7 0-0 14. Qa1 Bb7 15. b4 Ne8 16. Rd1 Qc8 17. Ne2 Nd6 18. Qc3 Re8 19. Nc1 Nf6 20. Nd2 c5 21. Bxc5 Ndxe4 22. Nxe4 Bxe4 23. Bxe4 Nxe4 24. Qf3 Ng5 25. Qe3 Rd8 26. Rd6 Qf5 27. Nd3 h5 28. Rxd8+ Rxd8 29. Be7 Rxd3 30. Qxd3 Ne4 31. f3 Ng3 32. Qxf5 Nxf5 33. Bc5 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.17"]
[Round "4"]
[White "Korchagin, Oleg"]
[Black "Kaunas, Kestutis"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "2179"]
[BlackElo "2270"]
[PlyCount "66"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Bd2 f5 9. Qc2 Nxc3 10. Bxc3 Be4 11. Qb3 d6 12. Rad1 Nd7 13. Ne1 Nf6 14. f3 Bb7 15. Qc2 Qe8 16. Nd3 g5 17. Nf2 Qg6 18. Rfe1 Rf7 19. b4 h5 20. d5 exd5 21. Bxf6 Bxf6 22. cxd5 Kg7 23. e3 a5 24. b5 Re8 25. Bf1 g4 26. Bd3 Re5 27. f4 Rxd5 28. Qb3 Re7 29. a4 Qe8 30. Rc1 Bd4 31. Bc4 Rc5 32. Nd1 d5 33. exd4 Rxe1+ 0-1

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.17"]
[Round "3"]
[White "Vedrickas, Tautvydas"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2288"]
[BlackElo "2179"]
[PlyCount "29"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 f5 2. h3 c5 3. d5 e5 4. e4 d6 5. exf5 Bxf5 6. Bd3 Ne7 7. Nc3 a6 8. Nge2 Nd7 9. Ng3 Bxd3 10. Qxd3 Qc7 11. Nce4 h6 12. 0-0 c4 13. Qxc4 Qxc4 14. Nxd6+ Kd8 15. Nxc4 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.16"]
[Round "2"]
[White "Korchagin, Oleg"]
[Black "Sveshnikov, Vladimir"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2179"]
[BlackElo "2413"]
[PlyCount "70"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Qxc4 Rb8 7. Bg2 b5 8. Qc2 Bb7 9. 0-0 c5 10. Nbd2 Rc8 11. Qd3 a6 12. b3 cxd4 13. Qxd4 Bc5 14. Qh4 h6 15. Bb2 0-0 16. Ne1 Bxg2 17. Kxg2 Be7 18. Ne4 Ne8 19. Qh5 f5 20. Nc3 Ne5 21. Rd1 Qc7 22. Nd3 Nf6 23. Qh3 Nxd3 24. Rxd3 Rfd8 25. Rfd1 Rxd3 26. Rxd3 Rd8 27. Kg1 Rxd3 28. exd3 Bb4 29. Nd1 Qc2 30. Qf1 Ng4 31. a3 Bd6 32. Qe1 Kf7 33. h3 Nxf2 34. Qxf2 Qxd1+ 35. Kg2 Qxd3 0-1

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2008.06.16"]
[Round "1"]
[White "Labeckas, Kestutis"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2265"]
[BlackElo "2179"]
[PlyCount "90"]
[EventDate "2008.06.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "LIE"]
[EventCategory "2"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 f6 3. b5 d5 4. e3 Be6 5. Nf3 Ne7 6. d4 e4 7. Nfd2 Nd7 8. c4 c6 9. Nc3 a6 10. a4 h5 11. Be2 h4 12. h3 f5 13. Ba3 Nf6 14. bxa6 bxa6 15. Rb1 Ng6 16. Bxf8 Kxf8 17. cxd5 cxd5 18. Nb3 Nd7 19. f4 exf3 20. Bxf3 Qg5 21. Qd2 Qg3+ 22. Kf1 Qd6 23. a5 Re8 24. Ne2 Rh6 25. Nf4 Nxf4 26. exf4 Bf7 27. Kf2 Bh5 28. Rhe1 Rxe1 29. Rxe1 Bxf3 30. gxf3 Re6 31. Rxe6 Qxe6 32. Qb4+ Kg8 33. Nc5 Qd6 34. Nd3 Qg6 35. Qb7 Nf6 36. Qc8+ Kh7 37. Kf1 Nh5 38. Qd7 Ng3+ 39. Ke1 Nh1 40. Qxd5 Qg3+ 41. Kd2 Qxh3 42. Qf7 Ng3 43. Ne5 Qf1 44. Qg6+ Kg8 45. Qe8+ Kh7 1/2-1/2

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2003.05.17"]
[Round "1.2"]
[White "Korchagin, Oleg"]
[Black "Kuusk, Andres"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2171"]
[BlackElo "2107"]
[PlyCount "86"]
[EventDate "2003.05.17"]
[EventType "k.o."]
[EventRounds "6"]
[EventCountry "EST"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Be3 a6 9. dxe5 dxe5 10. Nd2 c6 11. c5 Qe7 12. b4 Ne8 13. Nc4 f5 14. Qb3 Kh8 15. exf5 gxf5 16. f4 e4 17. Rad1 Ndf6 18. Ne5 Be6 19. Bc4 Bxc4 20. Qxc4 Nc7 21. Rd6 Ncd5 22. Bd4 Rad8 23. Ne2 Ne8 24. Rxd8 Qxd8 25. Ng3 Kg8 26. a4 Nec7 27. Ne2 Qe7 28. Rb1 Kh8 29. Rb3 Nxf4 30. Nxf4 Bxe5 31. Rh3 Bxd4+ 32. Qxd4+ Qf6 33. Qd7 Qg7 34. Qd6 Rg8 35. Rh6 Qa1+ 36. Kf2 Qb2+ 37. Kf1 Nd5 38. Nxd5 Qxg2+ 39. Ke1 Qg1+ 40. Kd2 Qd4+ 41. Kc2 Rg2+ 42. Kb3 Qb2+ 43. Kc4 Rc2+ 0-1

[Event "EST-ch"]
[Site "Tallinn"]
[Date "2003.05.17"]
[Round "1.1"]
[White "Kuusk, Andres"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2107"]
[BlackElo "2171"]
[PlyCount "58"]
[EventDate "2003.05.17"]
[EventType "k.o."]
[EventRounds "6"]
[EventCountry "EST"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 c6 5. Qd2 b5 6. Nf3 Nf6 7. a3 Ng4 8. Bg5 h6 9. Bf4 g5 10. Bg3 Nf6 11. h3 a6 12. Bd3 Nh5 13. Bh2 Nd7 14. g4 Nhf6 15. e5 dxe5 16. dxe5 Nd5 17. e6 fxe6 18. Bg6+ Kf8 19. Nd4 Bxd4 20. Qxd4 N7f6 21. 0-0-0 Kg7 22. Be4 Bb7 23. h4 Qb6 24. Qe5 Qxf2 25. Bxd5 cxd5 26. hxg5 hxg5 27. Qxg5+ Kf7 28. Be5 Rag8 29. Rhf1 Rxg5 0-1

[Event "LAT-EST m"]
[Site "Riga"]
[Date "2002.08.31"]
[Round "?"]
[White "Korchagin, Oleg"]
[Black "Stepanov, Timofej"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2166"]
[BlackElo "2274"]
[PlyCount "88"]
[EventDate "2002.08.31"]
[EventType "team"]
[EventRounds "1"]
[EventCountry "LAT"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 Bb4 6. cxd5 exd5 7. e3 c5 8. Bd3 Qa5 9. 0-0 0-0 10. Qc2 c4 11. Bf5 Re8 12. h4 g6 13. Bxd7 Nxd7 14. Nd2 f6 15. Bf4 Nb6 16. f3 Bxc3 17. bxc3 Na4 18. Rac1 b5 19. a3 Qd8 20. e4 Qe7 21. exd5 Bf5 22. Ne4 Bxe4 23. fxe4 Qxe4 24. Qxe4 Rxe4 25. Bc7 Rf8 26. d6 Rf7 27. Rxf6 Rxf6 28. d7 Rf8 29. d8Q Rxd8 30. Bxd8 Re2 31. Bg5 Kg7 32. Kf1 Re4 33. g3 h6 34. Bf4 Re7 35. Rc2 h5 36. Be5+ Kf7 37. Rf2+ Ke6 38. Rf6+ Kd5 39. Rxg6 Nxc3 40. Rg5 Rh7 41. Kf2 Ne4+ 42. Ke3 Nxg5 43. hxg5 Re7 44. Kf4 c3 0-1

[Event "Birstonas op"]
[Site "Birstonas"]
[Date "2002.08.24"]
[Round "8"]
[White "Tumosa, Algis"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "2166"]
[PlyCount "70"]
[EventDate "2002.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d5 4. e5 c5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. c3 e6 8. Ne2 b6 9. Be3 Ne7 10. Ng3 Qc7 11. Na3 a6 12. 0-0 0-0 13. Rc1 Rfd8 14. h4 Nf5 15. Nxf5 exf5 16. g4 Qc6 17. gxf5 gxf5 18. h5 Kh8 19. Kf2 Bh6 20. Rg1 Qe6 21. Qf3 Rac8 22. Ke2 f6 23. Qh3 Rg8 24. Rxg8+ Rxg8 25. Rg1 Rg4 26. Kf3 fxe5 27. Rxg4 e4+ 28. Kg3 fxg4 29. Qxg4 Qxg4+ 30. Kxg4 Kg7 31. Kf5 Kf7 32. c4 dxc4 33. dxc5 bxc5 34. Kxe4 Nf6+ 35. Ke5 Nxh5 0-1

[Event "Birstonas op"]
[Site "Birstonas"]
[Date "2002.08.23"]
[Round "7"]
[White "Korchagin, Oleg"]
[Black "Savickas, Airidas"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2166"]
[PlyCount "73"]
[EventDate "2002.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 Nbd7 7. h3 h5 8. Be3 Nf8 9. Qd2 Ng6 10. g3 h4 11. g4 a6 12. Bd3 Nh7 13. Nf3 f6 14. Rf1 Ng5 15. Ng1 Bd7 16. f3 Rb8 17. a4 Qa5 18. Kf2 Nf7 19. Rfb1 Qc7 20. a5 b6 21. axb6 Rxb6 22. Nd1 Qb7 23. Ra3 0-0 24. Ne2 Ra8 25. Kg2 Nf8 26. Bf2 g5 27. Be1 Bd8 28. Nc1 Ng6 29. Bc2 Nf4+ 30. Kh2 Rb8 31. Rba1 a5 32. R1a2 Ra6 33. Ba4 Bxa4 34. Rxa4 Qa7 35. Qc2 Bc7 36. Nb3 Qb7 37. Nc1 1/2-1/2

[Event "Birstonas op"]
[Site "Birstonas"]
[Date "2002.08.22"]
[Round "6"]
[White "Tokmachev, Gennady"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2219"]
[BlackElo "2166"]
[PlyCount "123"]
[EventDate "2002.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. h3 d6 5. a4 e5 6. Nf3 Qc7 7. Bc4 h6 8. Be3 Nd7 9. 0-0 Ngf6 10. Qd2 g5 11. dxe5 dxe5 12. Rad1 Nh5 13. h4 g4 14. Nh2 Ndf6 15. Bc5 Bf8 16. Bxf8 Kxf8 17. Qd8+ Qxd8 18. Rxd8+ Kg7 19. Rxh8 Kxh8 20. Bxf7 Kg7 21. Bc4 Nf4 22. Rd1 Be6 23. Bxe6 Nxe6 24. f3 h5 25. Kf2 Rf8 26. Ke3 Kf7 27. Ne2 Rg8 28. fxg4 Nxg4+ 29. Nxg4 Rxg4 30. Rd7+ Kf6 31. Rxb7 Nc5 32. Rxa7 Rxe4+ 33. Kf3 Rxh4 34. Rc7 Rxa4 35. Rxc6+ Ne6 36. Ng3 Kf7 37. c3 Rf4+ 38. Ke3 Rg4 39. Kf3 Rf4+ 40. Ke3 Rg4 41. Kf2 h4 42. Ne2 Kf6 43. b4 Kf5 44. b5 Nf4 45. Nxf4 Rxf4+ 46. Kg1 e4 47. Rc8 Ke5 48. b6 Rf7 49. Rc7 Rf6 50. Rc5+ Kf4 51. Rb5 Rf8 52. b7 Rb8 53. Kf2 e3+ 54. Ke2 Kg3 55. c4 Kxg2 56. c5 h3 57. c6 h2 58. Rg5+ Kh1 59. c7 Rxb7 60. c8Q Rb2+ 61. Kd3 Rd2+ 62. Kc3 1-0

[Event "Birstonas op"]
[Site "Birstonas"]
[Date "2002.08.21"]
[Round "5"]
[White "Korchagin, Oleg"]
[Black "Dzjuba, Vsevolod"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2166"]
[BlackElo "2283"]
[PlyCount "45"]
[EventDate "2002.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. bxa5 Rxa5 11. Nd2 c5 12. a4 Ra6 13. Ra3 h6 14. Nb5 Nd7 15. Bg4 f5 16. exf5 gxf5 17. Bh3 Ng6 18. g3 Nf6 19. f4 exf4 20. gxf4 Ng4 21. Qc2 Nh4 22. Nf3 Bd7 23. Kh1 1/2-1/2

[Event "Birstonas op"]
[Site "Birstonas"]
[Date "2002.08.20"]
[Round "4"]
[White "Novitzkij, Dmitrij"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2413"]
[BlackElo "2166"]
[PlyCount "90"]
[EventDate "2002.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bd3 Nc6 5. c3 Nf6 6. 0-0 0-0 7. h3 e5 8. Be3 Qe7 9. Nbd2 Nh5 10. Re1 Re8 11. Bf1 h6 12. b4 Qf6 13. b5 Na5 14. g3 b6 15. Nb3 Nb7 16. a4 Be6 17. Nfd2 Kh7 18. a5 Qe7 19. Kh2 Bf6 20. Be2 Ng7 21. a6 Nd8 22. Nf3 Bg5 23. Nxg5+ hxg5 24. d5 Bd7 25. Qd2 f6 26. h4 Rh8 27. hxg5 Kg8+ 28. Kg1 Nf7 29. gxf6 Qxf6 30. Qd3 Rf8 31. Nd2 Ng5 32. Bf1 Nh3+ 33. Bxh3 Bxh3 34. Qe2 Nh5 35. Nf1 Rf7 36. Nh2 Nf4 37. Bxf4 exf4 38. e5 Qg5 39. e6 Re7 40. Qd2 Qf5 41. c4 f3 42. Qf4 Bg2 43. Qh4 Rxh4 44. gxh4 Qf4 45. h5 gxh5 0-1

[Event "Birstonas op"]
[Site "Birstonas"]
[Date "2002.08.19"]
[Round "3"]
[White "Korchagin, Oleg"]
[Black "Jakaityte, Ruta"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2166"]
[PlyCount "89"]
[EventDate "2002.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. f3 d6 5. e4 bxc4 6. Bxc4 g6 7. Ne2 Bg7 8. 0-0 0-0 9. Nbc3 Qb6 10. b3 Ba6 11. Rb1 Nbd7 12. Qc2 Qb7 13. Bd2 Nb6 14. Rfc1 Nfd7 15. f4 Qc8 16. Nb5 Bb7 17. Bc3 a6 18. Bxg7 Kxg7 19. Nbc3 Nf6 20. h3 Qc7 21. g4 h6 22. Ng3 Bc8 23. Bf1 Nfd7 24. Nd1 f6 25. Ne3 Bb7 26. h4 Rh8 27. Rb2 a5 28. Qc3 Nf8 29. Rh2 Kg8 30. Rcc2 Kf7 31. Rcf2 Ke8 32. g5 Nbd7 33. Ng4 hxg5 34. fxg5 Nh7 35. Bb5 Kd8 36. gxf6 Ndxf6 37. Nxf6 exf6 38. Rxf6 Rf8 39. Rxg6 Rf7 40. Nf5 Kc8 41. Nxd6+ Kb8 42. Nxf7 Qxf7 43. Rg7 Qh5 44. Be2 Qh6 45. Rg8+ 1-0

[Event "Birstonas op"]
[Site "Birstonas"]
[Date "2002.08.18"]
[Round "2"]
[White "Grabliauskas, Virginijus"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2449"]
[BlackElo "2166"]
[PlyCount "67"]
[EventDate "2002.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bb5+ c6 8. Ba4 b5 9. Bb3 b4 10. Bb2 bxc3 11. Bxc3 0-0 12. Rc1 Na6 13. Ne2 Qb6 14. Qd2 Bg4 15. f3 Bd7 16. h4 h6 17. h5 g5 18. f4 g4 19. f5 Nc7 20. Rh4 Ne8 21. Nf4 Nf6 22. Bc2 e6 23. fxe6 fxe6 24. e5 Nd5 25. Rxg4 Rxf4 26. Rxf4 Nxf4 27. Qxf4 Rf8 28. Qe4 Rf5 29. g4 Rf7 30. Rb1 Qd8 31. Qh7+ Kf8 32. Bb4+ Ke8 33. Qg8+ Bf8 34. g5 1-0

[Event "Birstonas op"]
[Site "Birstonas"]
[Date "2002.08.17"]
[Round "1"]
[White "Korchagin, Oleg"]
[Black "Zagorskis, Darius"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2166"]
[BlackElo "2477"]
[PlyCount "93"]
[EventDate "2002.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LTU"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Qc2 b6 8. cxd5 exd5 9. Bd3 Bb7 10. Ne5 h6 11. Bf4 c5 12. Bf5 a6 13. 0-0 c4 14. Rad1 b5 15. a3 Nb6 16. g4 Bc8 17. Kh1 Bxf5 18. gxf5 Nh5 19. Ne2 Bf6 20. Rg1 Kh8 21. Rg2 Nd7 22. Ng4 Qe7 23. Rdg1 Rg8 24. f3 Rae8 25. Qc3 Kh7 26. Qa5 Nxf4 27. Nxf4 Qd6 28. Nh5 g6 29. Nhxf6+ Nxf6 30. fxg6+ fxg6 31. Ne5 g5 32. Qd2 Qe6 33. Qc2+ Kh8 34. Rg3 Nd7 35. Ng4 Rg6 36. Qg2 Kg7 37. Rh3 Rh8 38. Rg3 h5 39. Ne5 Nxe5 40. dxe5 g4 41. f4 Kh6 42. Qd2 h4 43. R3g2 h3 44. Rf2 Kh5 45. Qd4 Rf8 46. Rd2 Qf5 47. Rg3 1/2-1/2

[Event "EST-chT"]
[Site "Tallinn"]
[Date "2002.04.07"]
[Round "9"]
[White "Korchagin, Oleg"]
[Black "Kastan, Taivo"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2144"]
[PlyCount "65"]
[EventDate "2002.03.08"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "EST"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. Nc3 Be7 5. Qc2 a5 6. h3 Na6 7. a3 c5 8. d5 d6 9. dxe6 Bxe6 10. e3 Bd7 11. Bd3 g6 12. b3 Bc6 13. Bb2 Nc7 14. e4 fxe4 15. Nxe4 0-0 16. Neg5 Qe8 17. 0-0 Bxf3 18. Nxf3 Nh5 19. Nh2 Bf6 20. Ng4 Ne6 21. Rae1 Qd7 22. Bxg6 Nef4 23. Bxh5 Nxh5 24. Nxf6+ Nxf6 25. Re3 Rae8 26. Rg3+ Kh8 27. Rf3 Re6 28. Rd1 Qe7 29. Rd5 Rf7 30. Rg5 Rg7 31. Qf5 Rf7 32. g4 Rg7 33. Rxg7 1-0

[Event "EST-chT"]
[Site "Tallinn"]
[Date "2002.04.07"]
[Round "10"]
[White "Lauk, Ular"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2348"]
[BlackElo "2144"]
[PlyCount "11"]
[EventDate "2002.03.08"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "EST"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 1/2-1/2

[Event "EST-chT"]
[Site "Tallinn"]
[Date "2002.04.06"]
[Round "8"]
[White "Korchagin, Oleg"]
[Black "Kangur, Alvar"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2144"]
[BlackElo "2242"]
[PlyCount "69"]
[EventDate "2002.03.08"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "EST"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 Nf4 11. Bf1 a5 12. bxa5 Rxa5 13. a4 c5 14. Nb5 h6 15. Ra3 g5 16. g3 Nfg6 17. Nd2 f5 18. exf5 Nxf5 19. Ne4 Ra6 20. Qh5 Qe8 21. Nc7 Qf7 22. Nxa6 Nd4 23. Bg2 Nc2 24. Rf3 Nf4 25. Qxf7+ Rxf7 26. Rf1 g4 27. Rxf4 exf4 28. Bxf4 bxa6 29. Nxd6 Rf8 30. Ne4 Nd4 31. Bd6 Re8 32. Bxc5 Bd7 33. Bxd4 Bxd4 34. Rd1 Be5 35. Nc5 1-0

[Event "EST-chT"]
[Site "Tallinn"]
[Date "2002.04.06"]
[Round "7"]
[White "Korchagin, Oleg"]
[Black "Muutnik, Valdo"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "2144"]
[BlackElo "2125"]
[PlyCount "42"]
[EventDate "2002.03.08"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "EST"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 c5 7. dxc5 Qa5+ 8. Nfd2 Qxc5 9. 0-0 Nb6 10. Nc3 0-0 11. Nde4 Qh5 12. Bg5 Nc6 13. Qc1 f6 14. Bf3 Bg4 15. Bxg4 Qxg4 16. Bh6 Nd4 17. Bxg7 Kxg7 18. f3 Qh5 19. Qd1 Rfd8 20. e3 Nc6 21. Qe2 Rac8 1/2-1/2

[Event "EST-chT"]
[Site "Tallinn"]
[Date "2002.04.05"]
[Round "6"]
[White "Polonski, Vladimir"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2117"]
[BlackElo "2144"]
[PlyCount "72"]
[EventDate "2002.03.08"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "EST"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 d5 5. Nf3 c5 6. c3 0-0 7. Nbd2 b6 8. Ne5 Ba6 9. Qf3 Bxd3 10. Nxd3 Qc8 11. 0-0 Qf5 12. Qe2 Rc8 13. Kh1 Nbd7 14. Rg1 h5 15. Nf3 Ne4 16. Bd2 Rc6 17. Raf1 cxd4 18. Nxd4 Bxd4 19. exd4 Re6 20. Be3 Ndf6 21. Rf3 Ng4 22. Rgf1 Kg7 23. Ne5 f6 24. Nd3 Nd6 25. b3 Rc8 26. h3 Rxc3 27. Rd1 Nxe3 28. Rxe3 Rxe3 29. Qxe3 Qe4 30. Qxe4 dxe4 31. Nb4 e6 32. d5 Kf7 33. Kg1 a5 34. Nc6 exd5 35. Nd8+ Ke7 36. Rxd5 Rc8 0-1

[Event "EST-chT"]
[Site "Parnu"]
[Date "2002.03.09"]
[Round "2"]
[White "Korchagin, Oleg"]
[Black "Pridonov, Aleksei"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2144"]
[PlyCount "87"]
[EventDate "2002.03.08"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "EST"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 0-0 7. h3 a6 8. Nf3 Ne8 9. g4 b6 10. Be3 Ra7 11. Qd2 Rb7 12. 0-0-0 Nc7 13. Rdg1 b5 14. h4 bxc4 15. Bxc4 Nb5 16. Rg3 Nd4 17. Rhg1 Bd7 18. g5 Bb5 19. Nxb5 axb5 20. Bd3 Nd7 21. Bb1 Nb6 22. b3 Qa8 23. h5 Qa3+ 24. Kd1 Nc4 25. Qc3 Nxe3+ 26. fxe3 b4 27. Qc1 Qxc1+ 28. Kxc1 Ne2+ 29. Kb2 Ra7 30. R1g2 Nxg3 31. Rxg3 g6 32. Nh4 Kg7 33. Rg2 c4 34. bxc4 Ra3 35. Nf5+ gxf5 36. h6+ Kh8 37. exf5 Rg8 38. f6 Bd8 39. c5 dxc5 40. d6 Rxe3 41. Bf5 Rf3 42. Bg4 Rf4 43. Bh5 Rxf6 44. Kb3 0-1

[Event "EST-chT"]
[Site "Parnu"]
[Date "2002.03.09"]
[Round "3"]
[White "Tanav, Tiit"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2230"]
[BlackElo "2144"]
[PlyCount "72"]
[EventDate "2002.03.08"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "EST"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. e3 Bg7 5. d4 0-0 6. Be2 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. Qb3 e6 10. 0-0 Nc6 11. Rd1 Qb6 12. Qc4 Na5 13. Qd3 Nb4 14. Qe4 Bd7 15. Be3 Nd5 16. Nxd5 exd5 17. Qxd5 Bc6 18. Qg5 Qxb2 19. Kf1 b6 20. Rdc1 Qa3 21. Rab1 Rad8 22. Bd1 Qxa2 23. Ra1 Qe6 24. Qf4 h6 25. Ne5 g5 26. Qg3 Bd5 27. h4 f6 28. hxg5 fxg5 29. Rc7 Bxe5 30. dxe5 Rf5 31. Rac1 Qxe5 32. Qh3 Nc4 33. Bd4 Qxc7 34. Qxf5 Qf7 35. Qh3 Be6 36. Qc3 Qf4 0-1

[Event "EST-chT"]
[Site "Parnu"]
[Date "2002.03.08"]
[Round "1"]
[White "Korchagin, Oleg"]
[Black "Danilov, Nikolai"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "2144"]
[BlackElo "2158"]
[PlyCount "64"]
[EventDate "2002.03.08"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "EST"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 Bb7 10. Qe2 c5 11. Rd1 cxd4 12. exd4 Be7 13. Ne5 0-0 14. Bf4 Rc8 15. h4 b4 16. Ne4 Nxe4 17. Bxe4 Bxe4 18. Qxe4 Nf6 19. Qb7 Nd5 20. Bg3 Bxh4 21. Nc6 Qf6 22. Bxh4 Qxh4 23. Qxa6 Qg5 24. Qb5 h5 25. a4 h4 26. Rd3 f5 27. Rf3 Rf6 28. Qb7 Rc7 29. Qb8+ Rf8 30. Qb5 Rfc8 31. Nxb4 Nf4 32. g3 Rc1+ 0-1

[Event "Klaipeda 750 jub"]
[Site "Klaipeda"]
[Date "2002.??.??"]
[Round "6"]
[White "Beliajeva, Olga"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "C55"]
[BlackElo "2166"]
[PlyCount "67"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "LTU"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Bg5 h6 13. Bh4 Nc6 14. Nbd2 Nh5 15. d5 g5 16. Nxg5 hxg5 17. Qxh5 gxh4 18. dxc6 Kg7 19. f4 Rh8 20. Qf3 Bf6 21. Rf2 Be6 22. Rd1 Rad8 23. Nf1 Qxc6 24. Ne3 Qb6 25. Nd5 Bxd5 26. fxe5 dxe5 27. exd5 Rd6 28. Bf5 Bg5 29. Qg4 f6 30. Rdf1 Rh6 31. Be6 c4 32. Kh1 Rg6 33. Qh5 Rh6 34. Qf7+ 1-0

[Event "Klaipeda 750 jub"]
[Site "Klaipeda"]
[Date "2002.??.??"]
[Round "5"]
[White "Korchagin, Oleg"]
[Black "Jocys, Dalius"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "2166"]
[BlackElo "2245"]
[PlyCount "52"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "LTU"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Bf4 0-0 9. Qc2 Na6 10. Bxa6 bxa6 11. Nge2 Re8 12. 0-0 Rb8 13. Rab1 Nh5 14. Bd2 f5 15. Ng3 Nxg3 16. hxg3 fxe4 17. Nd1 Bg4 18. Qc4 Bxd1 19. Rfxd1 Bxb2 20. Qxa6 Be5 21. Qa3 Qd7 22. Re1 Qf7 23. Rxb8 Rxb8 24. Rxe4 Qxd5 25. Qe3 Qxa2 26. Rxe5 Qa1+ 0-1

[Event "Klaipeda 750 jub"]
[Site "Klaipeda"]
[Date "2002.??.??"]
[Round "3"]
[White "Korchagin, Oleg"]
[Black "Kalvaitis, Sigitas"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2166"]
[PlyCount "145"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "LTU"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. e4 g6 4. Bb5+ Nd7 5. a4 Bg7 6. Nf3 a6 7. Be2 Nh6 8. h3 0-0 9. g4 f6 10. Nc3 Ne5 11. Nh2 Nhf7 12. f4 Nd7 13. Be3 g5 14. f5 Nde5 15. Kf2 Bd7 16. Ra3 Qa5 17. Nf1 Rfb8 18. Nd2 Qd8 19. Qf1 Qe8 20. b3 Qd8 21. Qb1 Qa5 22. Qb2 Qc7 23. Rb1 a5 24. Rh1 h6 25. Raa1 h5 26. gxh5 Bh6 27. Rag1 Kh7 28. Rg2 Rg8 29. Qc1 Rg7 30. Qf1 Rag8 31. Rhg1 Qc8 32. Nd1 Kh8 33. Nb2 Qc7 34. Ke1 Kh7 35. Kd1 Qd8 36. Kc1 Qc7 37. Kb1 Qd8 38. Rg3 b6 39. Ka2 Qe8 40. Nb1 Qb8 41. Na3 Qd8 42. Qe1 Qb8 43. Qd2 Qb7 44. Nd1 Qc8 45. Nf2 Qf8 46. R3g2 Be8 47. Kb2 Bd7 48. Kb1 Be8 49. Ka1 Bd7 50. Kb2 Be8 51. Ka2 Bd7 52. h4 gxh4 53. Rg6 Ng5 54. Ng4 Nxg4 55. Rxg4 Rxg6 56. hxg6+ Kg7 57. Rxh4 Rh8 58. Bd3 Qe8 59. Qe1 Qd8 60. Qh1 Qf8 61. Rh5 Kg8 62. Ba6 Kg7 63. Nc4 Qa8 64. Bxg5 fxg5 65. Qa1+ Kg8 66. f6 exf6 67. Qxf6 Qe8 68. Nxd6 Qf8 69. Nf7 Qg7 70. Qd8+ Qf8 71. Qxd7 c4 72. Bxc4 Bg7 73. Rxh8+ 1-0

[Event "Klaipeda 750 jub"]
[Site "Klaipeda"]
[Date "2002.??.??"]
[Round "1"]
[White "Korchagin, Oleg"]
[Black "Samofalov, Artiom"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2166"]
[PlyCount "39"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "LTU"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 0-0 7. e3 Nbd7 8. Bd3 Re8 9. Nge2 Nf8 10. h3 c6 11. 0-0-0 Be6 12. g4 b5 13. Kb1 a5 14. Ng3 h6 15. Bf4 N6d7 16. Nf5 Bxf5 17. Bxf5 Nb6 18. Nxb5 Ne6 19. Bxe6 fxe6 20. Qxc6 1-0

[Event "Klaipeda 750 jub"]
[Site "Klaipeda"]
[Date "2002.??.??"]
[Round "7"]
[White "Korchagin, Oleg"]
[Black "Savickas, Airidas"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2166"]
[PlyCount "47"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "LTU"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 d6 6. exd6 Qf6 7. Nh3 Nxf2 8. Kxf2 Bxh3 9. g3 Bc5+ 10. e3 g5 11. Ne4 Qxb2+ 12. Qe2 Qxa1 13. Bxh3 Qxh1 14. Qb2 Qxh2+ 15. Bg2 Bxd6 16. Bxd6 cxd6 17. Qxh8+ Kd7 18. Qf6 Nc6 19. Qxd6+ Kc8 20. Nc5 Ne5 21. Qxe5 Kd8 22. Nxb7+ Kd7 23. Nc5+ Kd8 24. Qh8+ 1-0

[Event "Klaipeda 750 jub"]
[Site "Klaipeda"]
[Date "2002.??.??"]
[Round "2"]
[White "Lutsko, Igor"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2398"]
[BlackElo "2166"]
[PlyCount "90"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "LTU"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 c5 5. d4 e6 6. 0-0 a6 7. e4 Nxe4 8. d5 Be7 9. dxe6 Bxe6 10. Bxe6 Qxd1 11. Rxd1 fxe6 12. Re1 Nf6 13. Ng5 Nc6 14. Na3 e5 15. Nc4 Nd7 16. a4 Nd4 17. Rb1 h6 18. Ne4 b5 19. Ne3 Nf6 20. Ng3 g6 21. h3 h5 22. Nd1 h4 23. Nf1 Rh5 24. Nde3 Kf7 25. Nh2 Bd6 26. Bd2 Rc8 27. Kf1 Nb3 28. Red1 e4 29. Nhg4 Nxg4 30. Nxg4 Rd5 31. Bg5 Rd3 32. Nf6 Be7 33. Nxe4 Rcd8 34. Re1 Bxg5 35. Nxg5+ Kf6 36. Ne4+ Kf7 37. axb5 axb5 38. Kg1 R8d4 39. Nc3 b4 40. Ne2 Re4 41. g4 Kf6 42. Kg2 Rd2 43. Kf1 Rc2 44. f3 Re3 45. g5+ Kf7 1-0

[Event "Klaipeda 750 jub"]
[Site "Klaipeda"]
[Date "2002.??.??"]
[Round "4"]
[White "Taucius, Martynas"]
[Black "Korchagin, Oleg"]
[Result "1/2-1/2"]
[ECO "A96"]
[WhiteElo "2271"]
[BlackElo "2166"]
[PlyCount "67"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "LTU"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 Nf6 3. g3 d6 4. d4 e6 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 a5 8. b3 Na6 9. Bb2 c6 10. Qd3 d5 11. c5 b6 12. cxb6 Qxb6 13. Na4 Qb5 14. Ne5 Nb4 15. Qd1 Nd7 16. Nd3 Ba6 17. Re1 Rf6 18. Ndc5 Bc8 19. Bf1 Qb8 20. a3 Na6 21. Nd3 Rg6 22. Rc1 Bb7 23. e3 Qf8 24. Qd2 Bd6 25. Be2 Rh6 26. f4 Qe7 27. Qc3 Rf6 28. Ne5 Nab8 29. Nc5 Bxc5 30. dxc5 Nxe5 31. Qxe5 Rf7 32. Bh5 Rf8 33. Bc3 Ra7 34. b4 1/2-1/2

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.22"]
[Round "9"]
[White "Karasev, Vladimir I"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2358"]
[BlackElo "2176"]
[PlyCount "67"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. Rb1 c6 8. Ne2 0-0 9. d3 Na6 10. 0-0 Qc7 11. f4 exf4 12. Bxf4 Nc5 13. Bxd6 Qxd6 14. Nd4 Qg6 15. Qd2 Bd7 16. Qf4 Rae8 17. c4 Bc8 18. Rfe1 h6 19. Re5 Rxe5 20. Qxe5 Qg5 21. Nf5 Bxf5 22. Qxc5 Bc8 23. Qxa7 c5 24. Qa5 Qe3+ 25. Kh1 Re8 26. Qc7 f6 27. a4 h5 28. a5 Bg4 29. Qxb7 Be2 30. Rg1 Bg4 31. a6 Bc8 32. Qd5+ Be6 33. Qxh5 Bc8 34. Bd5+ 1-0

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.21"]
[Round "8"]
[White "Korchagin, Oleg"]
[Black "Kanep, Meelis"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2176"]
[BlackElo "2302"]
[PlyCount "95"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. cxd5 exd5 6. Qc2 Na6 7. Bg5 Be7 8. e3 Nb4 9. Qb1 g6 10. Qd1 Bf5 11. Rc1 Qa5 12. Bxf6 Bxf6 13. Qd2 0-0 14. Be2 Rfe8 15. 0-0 Kg7 16. a3 Na6 17. Ra1 Nb8 18. b4 Qd8 19. a4 Nd7 20. Rfc1 a6 21. b5 axb5 22. axb5 Qe7 23. Qb2 Qd6 24. Qb3 Rxa1 25. Rxa1 Be6 26. bxc6 bxc6 27. Ra6 Qc7 28. Qa4 Rc8 29. h3 Qb7 30. Ra7 Qb2 31. Qa3 Rb8 32. Qxb2 Rxb2 33. Ra2 Rb4 34. Rc2 Be7 35. Rc1 f5 36. Ne1 Kf6 37. Nd3 Rb3 38. Bd1 Ra3 39. Nf4 Ra6 40. h4 Bd6 41. g3 h6 42. Ba4 g5 43. hxg5+ hxg5 44. Nd3 Ke7 45. Rb1 Kd8 46. Nb4 Bxb4 47. Rxb4 Kc7 48. Kf1 1/2-1/2

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.20"]
[Round "7"]
[White "Korchagin, Oleg"]
[Black "Sulikiene, Kristina"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2176"]
[BlackElo "2024"]
[PlyCount "45"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 c6 7. e3 Qa5 8. Bxf6 Bxc3+ 9. bxc3 Qxc3+ 10. Nd2 gxf6 11. Rc1 Qb4 12. Bd3 Be6 13. 0-0 h5 14. Rc2 Nd7 15. Qf3 Qd6 16. Bf5 Bxf5 17. Qxf5 Qe6 18. Qf4 0-0-0 19. Rb1 Rhg8 20. f3 Rg5 21. Nf1 Rdg8 22. Kh1 Qh3 23. Qxg5 1-0

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.19"]
[Round "6"]
[White "Oper, Fred"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "E67"]
[BlackElo "2176"]
[PlyCount "68"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 d6 6. d4 Nbd7 7. Nc3 c6 8. Qc2 e5 9. dxe5 dxe5 10. Rd1 Qe7 11. a4 Re8 12. a5 Nc5 13. Bg5 Bf5 14. e4 Ncxe4 15. Nxe4 Bxe4 16. Qxe4 Nxe4 17. Bxe7 Rxe7 18. Ra3 Rae8 19. b4 f5 20. a6 bxa6 21. Rxa6 c5 22. b5 Nc3 23. Re1 e4 24. Ng5 h6 25. Nh3 g5 26. Bf1 f4 27. gxf4 g4 28. f5 Be5 29. Rg6+ Rg7 30. f4 exf3 31. Rxe5 Rxe5 32. Nf2 Rxg6 33. fxg6 Ne2+ 34. Kh1 Nf4 0-1

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.18"]
[Round "5"]
[White "Danilov, Nikolai"]
[Black "Korchagin, Oleg"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2231"]
[BlackElo "2176"]
[PlyCount "77"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 c6 5. e4 a6 6. a4 a5 7. Be3 Na6 8. Be2 Nf6 9. 0-0 0-0 10. h3 Nd7 11. Qd2 e5 12. Rad1 Qe7 13. d5 c5 14. Ne1 Nb4 15. Bg5 f6 16. Bh6 Rf7 17. Nb5 Nb6 18. b3 Bd7 19. Bxg7 Kxg7 20. Nd3 Bxb5 21. axb5 Nd7 22. Ra1 b6 23. Nb2 Raf8 24. Nd1 h6 25. Ne3 Rh8 26. Bg4 Nf8 27. h4 h5 28. Bh3 Rh7 29. Rad1 Kh8 30. Be6 Rfg7 31. f4 Nd7 32. Bxd7 Qxd7 33. fxe5 fxe5 34. Rf8+ Rg8 35. Rf6 Rf7 36. Rdf1 Rxf6 37. Rxf6 Kg7 38. Re6 Rf8 39. Nf5+ 1-0

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.17"]
[Round "4"]
[White "Korchagin, Oleg"]
[Black "Vooremaa, Andres M"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2176"]
[BlackElo "2304"]
[PlyCount "114"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c6 7. 0-0 a6 8. a4 a5 9. h3 Nfd7 10. Be3 Na6 11. Qd2 e5 12. Rad1 Qe7 13. Nh2 f5 14. exf5 gxf5 15. dxe5 dxe5 16. f4 e4 17. Rf2 Ndc5 18. Qd6 Qxd6 19. Rxd6 Be6 20. g4 Rad8 21. Rxd8 Rxd8 22. gxf5 Bxf5 23. Bg4 Bxg4 24. Nxg4 Rd3 25. Re2 Bxc3 26. bxc3 Rxc3 27. f5 Nd7 28. Rg2 Kf8 29. f6 Kf7 30. Bd4 Rd3 31. Ne5+ Nxe5 32. Bxe5 Ke6 33. Rg8 Rd7 34. Re8+ Kf7 35. Rh8 Kg6 36. Rg8+ Kf5 37. Re8 Rf7 38. Bc3 Nc7 39. Re5+ Kf4 40. Rxa5 Ne8 41. Kf2 e3+ 42. Ke2 Nxf6 43. Bd4 Ke4 44. Bxe3 Rg7 45. Bf2 Kf4 46. Be3+ Kg3 47. Rf5 Ne4 48. Bd4 Kxh3 49. Rf3+ Rg3 50. Rf7 h5 51. Rxb7 Ra3 52. Rc7 Kg2 53. Rxc6 Ng3+ 54. Kd2 h4 55. Be5 Rxa4 56. Bxg3 hxg3 57. Kd3 Ra1 0-1

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.16"]
[Round "3"]
[White "Chocenka, Dmitrijus"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "2176"]
[PlyCount "140"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. g3 d5 4. e5 c5 5. c3 Nc6 6. Bg2 e6 7. Nf3 Nge7 8. 0-0 Qb6 9. Na3 cxd4 10. cxd4 Bd7 11. Nc2 0-0 12. h4 Rfc8 13. Ne3 Rc7 14. Ng4 Nf5 15. Nf6+ Bxf6 16. exf6 Ncxd4 17. g4 Nxf3+ 18. Qxf3 Nd4 19. Qd1 e5 20. Bxd5 Qxf6 21. Bg5 Qd6 22. Bg2 Bc6 23. Be3 Bxg2 24. Kxg2 Qd5+ 25. f3 Rc2+ 26. Rf2 Rxf2+ 27. Kxf2 Rc8 28. Bxd4 Qxd4+ 29. Qxd4 exd4 30. Ke2 Rc2+ 31. Kd3 Rxb2 32. Kxd4 Kg7 33. a4 Rb3 34. Ke4 a5 35. Kf4 Rb4+ 36. Ke5 Kf8 37. f4 Ke7 38. g5 b5 39. axb5 Rxb5+ 40. Kd4 Kd6 41. Ra3 Rb4+ 42. Ke3 a4 43. Rd3+ Ke6 44. Rd8 Kf5 45. Rd7 Kg4 46. Rxf7 a3 47. Ra7 Rxf4 48. h5 Rf1 49. hxg6 hxg6 50. Ra4+ Kg3 51. Ke2 Rf2+ 52. Kd3 a2 53. Ke3 Rf3+ 54. Ke2 Kg2 55. Rg4+ Rg3 56. Ra4 Kh2 57. Kf2 Kh3 58. Ra5 Rxg5 59. Ra8 Rg2+ 60. Kf3 Kh2 61. Rh8+ Kg1 62. Ra8 Kf1 63. Ra7 Rf2+ 64. Kg3 Ke1 65. Ra8 Re2 66. Kf3 Kd1 67. Ra6 Rd2 68. Rxg6 Kc1 69. Ra6 Kb1 70. Ke3 Rb2 0-1

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.15"]
[Round "2"]
[White "Korchagin, Oleg"]
[Black "Kochyev, Alexander"]
[Result "0-1"]
[ECO "E95"]
[WhiteElo "2176"]
[BlackElo "2422"]
[PlyCount "50"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Re1 c6 9. Bf1 Qb6 10. d5 Nc5 11. Rb1 cxd5 12. cxd5 Ng4 13. b4 Nxf2 14. Qc2 Ncxe4 15. Nxe4 Ng4+ 16. Kh1 f5 17. Nc5 e4 18. h3 exf3 19. hxg4 dxc5 20. bxc5 Qd8 21. g3 f4 22. Bxf4 f2 23. Red1 Bxg4 24. Bd6 Qg5 25. Qc1 Qh5+ 0-1

[Event "Keres Memorial op"]
[Site "Tallinn"]
[Date "2000.08.14"]
[Round "1"]
[White "Rosenvald, Helmut"]
[Black "Korchagin, Oleg"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "2176"]
[PlyCount "62"]
[EventDate "2000.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. Nf3 0-0 6. Bd3 f5 7. c4 d6 8. Nc3 c5 9. d5 Nd7 10. Qc2 Re8 11. h4 Nf6 12. 0-0-0 a6 13. e4 fxe4 14. Nxe4 Nxe4 15. Bxe4 Qa5 16. Kb1 Rxe4 17. Ka1 Qb4 18. Nd2 Re2 19. h5 Bf5 20. Qc1 Bh6 21. a3 Bxd2 22. axb4 Bxc1 23. Rxc1 cxb4 24. c5 dxc5 25. Rxc5 b3 26. hxg6 hxg6 27. Rc3 Bc2 28. Rch3 Rae8 29. Rh8+ Kg7 30. Rxe8 Rxe8 31. g4 Re4 0-1

