[Event "LAT-ch"]
[Site "Riga"]
[Date "2022.05.03"]
[Round "8"]
[White "Osis, Reinars"]
[Black "Katishonok, Nikolaj"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2098"]
[BlackElo "2094"]
[PlyCount "60"]
[EventDate "2022.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. Nh4 Bd7 5. e3 h6 6. Bg3 Ne4 7. c4 e6 8. Qb3 Nc6 9. cxd5 exd5 10. Nc3 Bb4 11. Nf3 0-0 12. Bb5 Bxc3+ 13. bxc3 Na5 14. Qb2 Bxb5 15. Qxb5 c6 16. Qb4 Qb6 17. Ne5 Qa6 18. f3 Nxg3 19. hxg3 f6 20. Ng4 Rae8 21. Kf2 b6 22. Qb1 f5 23. Nxh6+ gxh6 24. Rxh6 Qb5 25. Qc2 Nc4 26. Rah1 Nxe3 27. Rh8+ Kf7 28. Rxf8+ Kxf8 29. Rh8+ Kg7 30. Rxe8 Nxc2 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2022.05.02"]
[Round "7"]
[White "Levchenkov, Vitaly S"]
[Black "Osis, Reinars"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2076"]
[BlackElo "2098"]
[PlyCount "69"]
[EventDate "2022.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nf6 9. Bd3 e6 10. Bxh7 Nxh7 11. Qd3 Be7 12. Bd2 Nd7 13. 0-0-0 Qc7 14. Kb1 0-0-0 15. Qe2 Rhe8 16. Ne5 Nxe5 17. dxe5 f5 18. f4 Rd7 19. Be3 Red8 20. Rxd7 Rxd7 21. Rd1 c5 22. Rxd7 Qxd7 23. c4 Qc6 24. Kc1 Nf8 25. Nf1 a6 26. Nd2 b5 27. Qf3 Qxf3 28. Nxf3 g6 29. hxg6 Nxg6 30. g3 Kd7 31. b3 Kc6 32. Kc2 Nf8 33. Kd3 Bd8 34. Bd2 Nd7 35. Be1 1/2-1/2

[Event "LAT-ch"]
[Site "Riga"]
[Date "2022.05.01"]
[Round "6"]
[White "Osis, Reinars"]
[Black "Krilovs, Nikolaijs"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2098"]
[BlackElo "2041"]
[PlyCount "144"]
[EventDate "2022.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. dxc5 Nf6 4. c3 g6 5. Bf4 Bg7 6. Bxb8 Rxb8 7. Qa4+ Nd7 8. Qxa7 Qc7 9. b4 0-0 10. e3 Ne5 11. Nd4 Bf5 12. Nxf5 gxf5 13. Bb5 Ng4 14. h3 Nxe3 15. Qa4 Nxg2+ 16. Kf1 Nh4 17. Qd1 Qf4 18. Rg1 Kh8 19. Rg3 Be5 20. Qd2 Qe4 21. Re3 Qg2+ 22. Ke2 Rg8 23. Qd3 f6 24. Nd2 f4 25. Rf3 Nxf3 26. Nxf3 Qg6 27. Bd7 Qxd3+ 28. Kxd3 Rg2 29. Rf1 h5 30. a4 Rd8 31. Be6 Bc7 32. a5 Kg7 33. Nh4 Rg5 34. Nf5+ Kf8 35. Ra1 Ra8 36. Ke2 Ra6 37. Bd7 e6 38. Nd4 Ke7 39. Bb5 Ra8 40. Nf3 Rgg8 41. Rd1 Rgd8 42. c6 bxc6 43. Bxc6 Rab8 44. Nd4 e5 45. Nb5 Bxa5 46. bxa5 Rdc8 47. Na7 Rc7 48. a6 Rxa7 49. Bb7 Rd8 50. Rb1 Rd6 51. Rb5 Raxa6 52. Bxa6 Rxa6 53. Rxd5 Ke6 54. Rb5 Ra3 55. Rc5 Kd6 56. Rc8 Ra5 57. Rf8 Ke6 58. Rh8 e4 59. Ke1 Ra3 60. Rxh5 Rxc3 61. Rh4 Ke5 62. Rh5+ f5 63. Kd2 Rf3 64. Ke2 Ra3 65. Kf1 f3 66. Kg1 Ra1+ 67. Kh2 Rf1 68. Kg3 Rg1+ 69. Kh2 Rg2+ 70. Kh1 Rxf2 71. Rg5 e3 72. h4 e2 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2022.04.30"]
[Round "5"]
[White "Golubovskis, Maksims"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2187"]
[BlackElo "2098"]
[PlyCount "73"]
[EventDate "2022.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. b3 Nc6 8. 0-0 cxd4 9. Bxd4 Bc5 10. Bb2 a5 11. a3 Nge7 12. Nc3 a4 13. Nb5 Ng6 14. b4 Be7 15. Nfd4 Ngxe5 16. Nxf5 exf5 17. Bxe5 Nxe5 18. Qxd5 f6 19. Nd4 Rd8 20. Bb5+ Nc6 21. Bxc6+ bxc6 22. Qxc6+ Qxc6 23. Nxc6 Rc8 24. b5 Bc5 25. Rfd1 Kf7 26. Rd5 Bb6 27. c4 Rhe8 28. c5 Bc7 29. Kf1 Re4 30. Rd7+ Kf8 31. Na7 Be5 32. Nxc8 Bxa1 33. b6 Rc4 34. Rd8+ Kf7 35. Nd6+ Ke7 36. Re8+ Kd7 37. Nxc4 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2022.04.30"]
[Round "4"]
[White "Osis, Reinars"]
[Black "Tronenkovs, Valdis"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2098"]
[BlackElo "2265"]
[PlyCount "81"]
[EventDate "2022.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. c4 Bb7 4. f3 e6 5. e4 d5 6. cxd5 exd5 7. e5 Nfd7 8. Nc3 Be7 9. Bb5 c6 10. Ba4 Nf8 11. Bg3 Ne6 12. f4 b5 13. Bb3 c5 14. Nf3 c4 15. Bc2 b4 16. Ne2 g6 17. f5 gxf5 18. Bxf5 Qb6 19. 0-0 Nd7 20. Qc2 Ndf8 21. Kh1 a5 22. Bh4 Bxh4 23. Nxh4 b3 24. Qd2 Ng6 25. Bxe6 fxe6 26. Nxg6 hxg6 27. Qg5 Kd7 28. Rf7+ Kc6 29. a4 Rae8 30. Raf1 c3 31. Qe3 Ba6 32. Qxc3+ Bc4 33. R1f6 g5 34. g3 Qb4 35. Rg7 Qxa4 36. Rff7 Rb8 37. Re7 Rh6 38. Rxg5 Kb6 39. Qc1 Bxe2 40. Qc7+ Kb5 41. Qc5+ 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2022.04.28"]
[Round "2"]
[White "Osis, Reinars"]
[Black "Stepins, Edgars"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2098"]
[BlackElo "2247"]
[PlyCount "124"]
[EventDate "2022.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 Nc6 6. d5 Nb4 7. a3 Na6 8. Bxa6 bxa6 9. Bh6 0-0 10. Bxg7 Kxg7 11. Nge2 Bd7 12. Nd4 e5 13. dxe6 fxe6 14. 0-0 e5 15. Nde2 Bc6 16. f3 Qb8 17. b3 Qb6+ 18. Kh1 a5 19. a4 h6 20. Rad1 Rae8 21. Ng3 Bd7 22. Rfe1 Be6 23. Nd5 Nxd5 24. exd5 Bd7 25. Re4 Rf7 26. Qc3 Ref8 27. Nf1 Rf4 28. Re3 g5 29. h3 Be8 30. Nd2 Rd4 31. Rd3 Rxd3 32. cxd3 Bf7 33. Nc4 Qc5 34. Qxa5 Qxa5 35. Nxa5 Bxd5 36. Rc1 c5 37. Nc4 Rd8 38. Kg1 Kf6 39. Kf2 Ke6 40. Rc3 Rb8 41. Nd2 h5 42. Ke3 Ke7 43. Ke2 Rb4 44. Ke3 g4 45. hxg4 hxg4 46. Kf2 Rb8 47. Kg3 gxf3 48. gxf3 Ke6 49. Kf2 Rh8 50. Rc1 Rh2+ 51. Ke3 Bb7 52. Rf1 d5 53. Rf2 Rxf2 54. Kxf2 Kf5 55. Kg3 Ba6 56. b4 cxb4 57. d4 exd4 58. Nb3 d3 59. Nd4+ Ke5 60. Nb3 Bc4 61. f4+ Ke4 62. Nd2+ Ke3 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2020.08.28"]
[Round "6"]
[White "Osis, Reinars"]
[Black "Berzinsh, Roland"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2115"]
[BlackElo "2378"]
[PlyCount "62"]
[EventDate "2020.08.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Na3 a6 7. Qb3 Qa5 8. Ne5 e6 9. dxc5 Nxe5 10. Bxe5 Nd7 11. Bf4 Nxc5 12. Qc2 f6 13. f3 e5 14. Bg3 Be6 15. Bf2 Rc8 16. Be2 Be7 17. 0-0 0-0 18. Rfd1 b5 19. Qd2 Na4 20. Nb1 Rfd8 21. Kf1 Qc7 22. Qc2 Bf7 23. Bd3 e4 24. fxe4 dxe4 25. Be2 Rxd1+ 26. Bxd1 Qxh2 27. Qxe4 Rd8 28. Bc2 Bc4+ 29. Qxc4+ bxc4 30. Bxa4 Qh1+ 31. Bg1 Bc5 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2019.05.04"]
[Round "8"]
[White "Osis, Reinars"]
[Black "Ivanov, Igor4444"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2168"]
[BlackElo "2131"]
[PlyCount "96"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 g6 2. Nc3 Bg7 3. Bf4 d6 4. Qd2 Nd7 5. e4 a6 6. Nf3 b5 7. a4 b4 8. Nd5 a5 9. Bc4 e6 10. Bg5 f6 11. Nf4 Nf8 12. Bh4 g5 13. Nh5 Bh6 14. Bg3 g4 15. Bf4 Bxf4 16. Qxf4 gxf3 17. Qxf3 Ng6 18. e5 d5 19. exf6 Kf7 20. h4 Nh6 21. 0-0-0 c6 22. Bd3 Re8 23. Qe3 Ng8 24. Rh3 e5 25. Rg3 e4 26. Be2 Nxf6 27. Qh6 Rg8 28. Kb1 Be6 29. f4 Qf8 30. Qg5 Nxh5 31. Bxh5 Ke8 32. Rf1 Bf5 33. Re3 h6 34. Qg3 Kd7 35. Qf2 Ne7 36. Qe2 Bg6 37. Bxg6 Rxg6 38. g4 Qf6 39. f5 Rg7 40. Rg3 Rag8 41. Qa6 Rxg4 42. Rxg4 Rxg4 43. Qxa5 e3 44. Qxb4 Rxd4 45. Qe1 Re4 46. Qa5 e2 47. Qa7+ Ke8 48. Qb8+ Kf7 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2019.05.04"]
[Round "7"]
[White "Ungurs, Edgars"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2216"]
[BlackElo "2168"]
[PlyCount "55"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 Nh5 6. Bg5 f6 7. Bh4 g6 8. Bd3 Be7 9. c3 Ng7 10. Qc2 Nf5 11. Bg3 Ba6 12. c4 Nc6 13. a3 Kf7 14. d5 Nxg3 15. hxg3 exd5 16. Rxh7+ Rxh7 17. Bxg6+ Kg7 18. Bxh7 dxc4 19. Qg6+ Kh8 20. Qh5 Kg7 21. Nh4 Ne5 22. f4 c3 23. Nf5+ Kf8 24. fxe5 cxd2+ 25. Kxd2 Bc4 26. Qg4 Bf7 27. Qg7+ Ke8 28. Bg6 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2019.05.03"]
[Round "6"]
[White "Osis, Reinars"]
[Black "Smorodinskis, Igors"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2168"]
[BlackElo "2209"]
[PlyCount "190"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. Qd2 Bg7 5. Bh6 0-0 6. f3 c5 7. Bxg7 Kxg7 8. dxc5 d4 9. 0-0-0 e5 10. e3 Nc6 11. Ne4 Nxe4 12. fxe4 Qe7 13. Nf3 Bg4 14. exd4 Bxf3 15. gxf3 Nxd4 16. c3 Qxc5 17. b4 Qc7 18. Kb2 Ne6 19. Qd6 Qxd6 20. Rxd6 Rfd8 21. Rxd8 Rxd8 22. Kc2 Kf6 23. Rg1 Nf4 24. a4 Ke7 25. Bc4 f6 26. a5 Rd7 27. Bb5 Rd6 28. Bc4 Kd8 29. Rd1 Rxd1 30. Kxd1 Kc7 31. Kd2 b6 32. axb6+ axb6 33. Bg8 h6 34. Bf7 Kd6 35. Ke3 Ke7 36. Bc4 Ng2+ 37. Kf2 Nf4 38. Ke3 f5 39. Bf1 Ne6 40. Kf2 Ng5 41. h4 Ne6 42. h5 g5 43. Bh3 Nf4 44. Bxf5 Nxh5 45. Bh3 Nf6 46. Kg3 h5 47. Bf1 Kf7 48. Bb5 Ke7 49. Bf1 Ne8 50. Be2 Nd6 51. Bd3 Kd7 52. Kh3 Kc6 53. c4 Ne8 54. Kg3 Kd6 55. Bf1 Nc7 56. Kf2 Ne6 57. Bd3 Nd4 58. Bb1 Nc6 59. c5+ bxc5 60. bxc5+ Kxc5 61. Ba2 Nd8 62. Bg8 Kd6 63. Bh7 Ne6 64. Bf5 Ke7 65. Kg3 Kf6 66. Bh3 Nd8 67. Bf5 Nf7 68. Bd7 Ke7 69. Bc8 Nd6 70. Bh3 Ne8 71. Bc8 Nf6 72. Bf5 Kd6 73. Kf2 Kc5 74. Ke3 Kc4 75. Be6+ Kc3 76. Bf5 h4 77. Bg6 Nd7 78. Bf5 Nb6 79. Be6 Nc4+ 80. Ke2 Kd4 81. Bc8 Ne3 82. Kf2 Nd1+ 83. Ke2 Nc3+ 84. Kd2 Nb5 85. Bg4 Nd6 86. Be6 Ne8 87. Bg4 Nf6 88. Bf5 g4 89. Ke2 g3 90. Bc8 Nh5 91. Bg4 Nf4+ 92. Kf1 Ke3 93. Kg1 h3 94. Bxh3 Nxh3+ 95. Kg2 Ng5 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2019.05.02"]
[Round "5"]
[White "Stabulnieks, Klavs"]
[Black "Osis, Reinars"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2230"]
[BlackElo "2168"]
[PlyCount "114"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 h6 9. Bh4 Nbd7 10. Nf3 Bd6 11. 0-0 0-0 12. Rab1 a5 13. Rfc1 Re8 14. Na4 Qe7 15. Qb3 b5 16. Nc3 a4 17. Qd1 g5 18. Bg3 Bxg3 19. hxg3 Ng4 20. Qd3 Qe6 21. Re1 f5 22. Rbc1 Qg6 23. Nb1 Re6 24. Nbd2 Rae8 25. Red1 Kg7 26. b3 axb3 27. axb3 Qf6 28. Ra1 Nf8 29. Re1 Ng6 30. Ra7+ Kg8 31. Ra6 h5 32. Rea1 f4 33. exf4 gxf4 34. Ra8 fxg3 35. fxg3 h4 36. Nf1 hxg3 37. Nxg3 Nf4 38. Qc3 Ne3 39. Ne5 Nfxg2 40. Rxe8+ Rxe8 41. Ra7 Rf8 42. Qd3 Qf2+ 43. Kh1 Nf5 44. Nxf5 Rxf5 45. Qh3 Qf1+ 46. Kh2 Qf4+ 47. Qg3+ Rg5 48. Qxf4 Nxf4 49. Nxc6 Rg2+ 50. Kh1 Rb2 51. b4 Nd3 52. Rb7 Nxb4 53. Rxb5 Nd3 54. Rxd5 Kf7 55. Ra5 Ke6 56. d5+ Kd6 57. Nd4 Nc5 1/2-1/2

[Event "LAT-ch"]
[Site "Riga"]
[Date "2019.05.01"]
[Round "4"]
[White "Osis, Reinars"]
[Black "Breikss, Peteris"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2168"]
[BlackElo "1777"]
[PlyCount "75"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Ne5 Qb6 7. Qb3 Bd7 8. Nd2 c4 9. Qc2 Nh5 10. Ndf3 f6 11. Nxd7 Kxd7 12. h4 Nxf4 13. exf4 Bd6 14. g3 Rae8 15. Bh3 Kc7 16. 0-0-0 Qa6 17. Kb1 b5 18. Rhe1 b4 19. Rxe6 Rb8 20. Nd2 bxc3 21. Qxc3 Nb4 22. a3 Nd3 23. b4 Qa4 24. Qc2 Qxc2+ 25. Kxc2 Nxf2 26. Bg2 Nxd1 27. Kxd1 Rb5 28. Nb1 Kd7 29. Bh3 Kc6 30. Nc3 Rbb8 31. b5+ Rxb5 32. Nxb5 Kxb5 33. Rxd6 Ka4 34. Kc2 Rb8 35. Bd7+ Ka5 36. Rxd5+ Ka6 37. Ba4 Rb7 38. Rd7 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2019.05.01"]
[Round "3"]
[White "Stepins, Edgars"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2356"]
[BlackElo "2168"]
[PlyCount "107"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. Ne5 c6 9. 0-0 0-0 10. Bc3 Nfd7 11. Nxd7 Nxd7 12. Nd2 Rc8 13. Re1 f5 14. Bb2 Nf6 15. Rc1 Rc7 16. a3 Qc8 17. c5 Nd7 18. b4 Bf6 19. Qc2 g6 20. f3 e5 21. e4 exd4 22. cxb6 Nxb6 23. exd5 Nxd5 24. Qc5 Nc3 25. f4 Na4 26. Qc2 Bb5 27. Ba1 Kg7 28. Nf3 Rd8 29. Qd2 Nc3 30. Ne5 Ne4 31. Bxe4 Bxe5 32. Bxf5 Qxf5 33. Rxe5 Qd3 34. Qxd3 Bxd3 35. Rd1 Bb5 36. Rxd4 Rxd4 37. Bxd4 Kf7 38. Kf2 Rd7 39. Bc5 a6 40. Ke3 Kf6 41. g4 h6 42. h4 Kf7 43. h5 gxh5 44. Rxh5 Kg7 45. Bd4+ Kh7 46. g5 Re7+ 47. Be5 Re6 48. Kd4 Rg6 49. Bf6 Be2 50. Rh2 Bg4 51. Ke5 h5 52. Rc2 Rg8 53. f5 Re8+ 54. Kf4 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2019.04.30"]
[Round "2"]
[White "Osis, Reinars"]
[Black "Avotins, Maigonis"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2168"]
[BlackElo "1933"]
[PlyCount "35"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. Nc3 Bg7 5. Qd2 0-0 6. Bh6 c6 7. e4 b5 8. a3 Qb6 9. h4 Bg4 10. h5 Bxh5 11. Bxg7 Kxg7 12. e5 dxe5 13. dxe5 Ng4 14. Ne4 f5 15. Ng3 f4 16. Nxh5+ gxh5 17. Rxh5 h6 18. Rh4 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2019.04.29"]
[Round "1"]
[White "Krivonosov, Oleg"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2398"]
[BlackElo "2168"]
[PlyCount "61"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. cxd5 Qxd5 5. Nc3 Qa5 6. Bd2 g6 7. e3 Bg7 8. Bc4 0-0 9. 0-0 Qd8 10. h3 Nbd7 11. Qe2 Nb6 12. Bb3 Nfd5 13. e4 Nc7 14. Rfd1 Be6 15. Bxe6 Nxe6 16. Be3 f5 17. Ng5 Nxg5 18. Bxg5 h6 19. Bf4 Qd7 20. d5 fxe4 21. dxc6 Qxc6 22. Bg3 Rad8 23. Nxe4 Rxd1+ 24. Rxd1 Qe6 25. b3 Rc8 26. Qd3 Kh7 27. Kh2 Be5 28. Re1 Bxg3+ 29. Qxg3 Kg7 30. f3 Nd5 31. Nc3 1-0

[Event "Riga Tech op 8th"]
[Site "Riga"]
[Date "2018.08.09"]
[Round "6"]
[White "Osis, Reinars"]
[Black "Dedebas, Emre Emin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2157"]
[BlackElo "2353"]
[PlyCount "76"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Bd3 0-0 6. Nbd2 Bxf4 7. exf4 b6 8. c3 c5 9. Qe2 Nc6 10. Ne5 Bb7 11. Ndf3 cxd4 12. Nxc6 Bxc6 13. Nxd4 Bb7 14. 0-0-0 Qc7 15. Qe3 a6 16. Rhe1 Rfe8 17. Kb1 Rac8 18. h3 b5 19. Qe5 Qb6 20. a3 Ne4 21. Qh5 g6 22. Qh6 Qc5 23. Re3 Nxf2 24. Rf1 Ne4 25. f5 Qf8 26. Qxf8+ Rxf8 27. fxe6 Nd2+ 28. Ka2 Nxf1 29. Bxf1 fxe6 30. Be2 Rce8 31. Rxe6 Rxe6 32. Nxe6 Rf2 33. Bf3 Kf7 34. Nc5 Bc8 35. a4 Ke7 36. axb5 axb5 37. Ka3 Bxh3 38. Bxd5 Bxg2 0-1

[Event "Riga Tech op 8th"]
[Site "Riga"]
[Date "2018.08.06"]
[Round "1"]
[White "Osis, Reinars"]
[Black "Pultinevicius, Paulius"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2157"]
[BlackElo "2452"]
[PlyCount "100"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nc3 d5 5. Qd2 c5 6. dxc5 Nc6 7. 0-0-0 0-0 8. Nd4 Nxd4 9. Qxd4 Ng4 10. Qxd5 Qa5 11. Qf3 Bxc3 12. bxc3 Qa3+ 13. Kd2 Rd8+ 14. Ke1 Rxd1+ 15. Kxd1 Bf5 16. e4 Bxe4 17. Qxg4 Qxc3 18. Bd2 Rd8 19. Bd3 Qa1+ 20. Bc1 Bxd3 21. cxd3 Qc3 22. Bd2 Rxd3 23. Qf4 e5 24. Qh6 Qa1+ 25. Kc2 Rxd2+ 26. Qxd2 Qxh1 27. Qd8+ Kg7 28. Qd5 Qe1 29. f3 Qe2+ 30. Kc3 Qe1+ 31. Kc2 Qe3 32. a4 a5 33. g3 g5 34. h4 gxh4 35. gxh4 Qf4 36. Qb3 Qxh4 37. Qxb7 Qxa4+ 38. Kb1 Qd1+ 39. Ka2 Qc2+ 40. Ka1 Qxc5 41. Qa8 h5 42. Ka2 Qc2+ 43. Ka3 Qc3+ 44. Ka2 Qc2+ 45. Ka1 h4 46. Qxa5 Qd1+ 47. Ka2 Qe2+ 48. Kb1 h3 49. Qd8 Qf1+ 50. Kc2 Qg2+ 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.05.06"]
[Round "9"]
[White "Sveshnikov, Vladimir"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2398"]
[BlackElo "2161"]
[PlyCount "109"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. d4 Bd6 7. Bd3 0-0 8. 0-0 Bg4 9. h3 Bh5 10. Re1 Re8 11. Rxe8+ Qxe8 12. Qe2 Qxe2 13. Bxe2 Nd7 14. Bd2 Re8 15. Re1 f5 16. Bd3 Rxe1+ 17. Nxe1 Bg6 18. g3 Nf6 19. Ng2 Ne4 20. Bf4 Bxf4 21. Nxf4 Ng5 22. c3 Ne6 23. Ng2 Kf8 24. f4 Ke7 25. Ne3 Kf6 26. Kf2 h6 27. Nc4 Ke7 28. Ne3 Kf6 29. b4 Bh7 30. d5 Nc7 31. dxc6 bxc6 32. Nc4 Nd5 33. Ne5 c5 34. bxc5 Nxc3 35. c6 Nd5 36. Bc4 Nc7 37. Bxf7 Ke7 38. h4 g6 39. Ke3 Kf6 40. Kd4 g5 41. Kc5 gxf4 42. gxf4 Ke7 43. Bc4 Ne8 44. a3 Nc7 45. a4 Ne8 46. Nf3 Nf6 47. Bd3 Nh5 48. Ba6 Nxf4 49. c7 Ne6+ 50. Kc6 Nxc7 51. Kxc7 f4 52. a5 Be4 53. Be2 Ke6 54. a6 Ke7 55. Nd2 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.05.05"]
[Round "8"]
[White "Osis, Reinars"]
[Black "Berzinsh, Roland"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2161"]
[BlackElo "2428"]
[PlyCount "56"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Nc6 5. dxc5 e6 6. b4 a5 7. Nd4 axb4 8. Nxc6 bxc6 9. cxb4 Ng4 10. Qd4 Be7 11. Qb2 f5 12. h3 Bf6 13. Nc3 d4 14. Rd1 e5 15. Bc1 Nh6 16. e3 Be6 17. a3 Qe7 18. Nb1 0-0 19. exd4 exd4 20. Kd2 Nf7 21. Re1 d3 22. Nc3 Rad8 23. Kd1 Ne5 24. Bd2 Rfe8 25. f4 Nc4 26. Qc1 Qa7 27. Rg1 Nxa3 28. g4 Bb3+ 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.05.04"]
[Round "7"]
[White "Mustaps, Matiss"]
[Black "Osis, Reinars"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2302"]
[BlackElo "2161"]
[PlyCount "85"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 Nbd7 12. Ngf3 Qc7 13. 0-0 0-0 14. Nxd7 Bxd7 15. Bd2 Bc6 16. Ne5 Bd4 17. Nxc6 Qxc6 18. Rab1 Rfd8 19. b3 a6 20. a4 Bc3 21. Bxc3 Qxc3 22. Qf3 Nd5 23. Rbe1 Rac8 24. Qe4 g6 25. Qh4 Kg7 26. Re4 Nf6 27. Re3 Rd4 28. Qg3 Qc7 29. Qh3 Nd5 30. Re4 Rxe4 31. Bxe4 Qe5 32. Bxd5 Qxd5 33. c4 Qd7 34. Qc3+ Kh7 35. a5 Rd8 36. h4 Qd4 37. Qf3 Rd7 38. h5 g5 39. Re1 Kg7 40. Qg3 Qd6 41. Qc3+ Qd4 42. Qg3 Qd6 43. Qc3+ 1/2-1/2

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.05.04"]
[Round "6"]
[White "Osis, Reinars"]
[Black "Skuja, Aivars"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2161"]
[BlackElo "2099"]
[PlyCount "114"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 c6 5. Qd2 Bg7 6. Ne5 Nbd7 7. Nxd7 Bxd7 8. f3 b5 9. a3 e6 10. Be5 Nh5 11. Bxg7 Nxg7 12. e4 f5 13. e5 0-0 14. f4 Rf7 15. Be2 Be8 16. Na2 a5 17. Nc1 Qb6 18. Nb3 Rfa7 19. Nc5 Qd8 20. 0-0 Bf7 21. a4 Qb6 22. Rf3 Be8 23. Rb3 Rb8 24. Qe1 Qd8 25. Qg3 Kh8 26. Qh3 bxa4 27. Rxa4 Rxb3 28. cxb3 Rf7 29. Qc3 g5 30. Qxa5 Qe7 31. Qd2 g4 32. Ra8 h5 33. Qa5 h4 34. Qd8 Qxd8 35. Rxd8 Kh7 36. g3 hxg3 37. hxg3 Ra7 38. Ba6 Kg6 39. Rb8 Kf7 40. Kg2 Ke7 41. Kf2 Bd7 42. Rh8 Kf7 43. Rh6 Be8 44. Ke3 Bd7 45. Kd2 Ne8 46. Rh7+ Ng7 47. Kc3 Kg6 48. Rh1 Be8 49. Kb4 Nh5 50. Rg1 Kf7 51. Ka5 Ke7 52. Kb6 Ra8 53. Kb7 Rd8 54. Ka7 Bd7 55. Bb7 Rf8 56. Kb6 Be8 57. Kc7 Rf7 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.05.03"]
[Round "5"]
[White "Dzjuba, Vsevolod"]
[Black "Osis, Reinars"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2269"]
[BlackElo "2161"]
[PlyCount "98"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Bc4 Qa5 8. 0-0 d6 9. Nb3 Qd8 10. h3 Bd7 11. f4 Rc8 12. e5 dxe5 13. Bxf7+ Kxf7 14. fxe5 Be6 15. exf6 Qxd1 16. Raxd1 Bxf6 17. Nc5 b6 18. N5e4 Kg7 19. Nxf6 exf6 20. Ne4 Rcd8 21. b3 Rxd1 22. Rxd1 Rd8 23. Nd6 g5 24. c4 Kg6 25. c5 bxc5 26. Bxc5 a6 27. b4 Ne5 28. a4 Bb3 29. Ra1 Nf7 30. Ne4 Rd1+ 31. Rxd1 Bxd1 32. b5 axb5 33. a5 b4 34. a6 Ba4 35. Bxb4 Bc6 36. Nc5 Nd6 37. Ne6 Nb5 38. Bc5 Kf5 39. Nd8 Bd5 40. Kf2 h5 41. g3 Ke5 42. a7 Nc7 43. Ke3 f5 44. Bd4+ Kd6 45. Bf6 f4+ 46. gxf4 gxf4+ 47. Kxf4 Ne6+ 48. Nxe6 Kxe6 49. Bd4 Kd7 1/2-1/2

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.05.02"]
[Round "4"]
[White "Osis, Reinars"]
[Black "Daudzvardis, Janis"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2161"]
[BlackElo "2114"]
[PlyCount "59"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 c5 2. e3 d5 3. c3 e6 4. Nd2 Nc6 5. Ngf3 Nf6 6. Bd3 Be7 7. 0-0 c4 8. Bc2 Rb8 9. e4 dxe4 10. Nxe4 b5 11. Bf4 Rb6 12. Nxf6+ Bxf6 13. Qe2 Ne7 14. Nd2 Bb7 15. a4 a6 16. axb5 axb5 17. Ne4 Bxe4 18. Qxe4 Nd5 19. Bd2 Be7 20. Qg4 0-0 21. Bh6 Bf6 22. Qe4 g6 23. Bxf8 Qxf8 24. Qf3 Kg7 25. Be4 Ne7 26. Ra8 Rb8 27. Rfa1 Qd8 28. Qg3 Rxa8 29. Rxa8 Qd7 30. Qb8 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.05.01"]
[Round "3"]
[White "Beks, Edmunds"]
[Black "Osis, Reinars"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2058"]
[BlackElo "2161"]
[PlyCount "170"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qc7 4. Nc3 e6 5. Bxc6 bxc6 6. 0-0 d6 7. e5 dxe5 8. Qe2 f6 9. b3 Ne7 10. Na4 Nd5 11. Ba3 Qa5 12. Qe4 Bd7 13. Bb2 Bd6 14. c4 Ne7 15. g4 h5 16. h3 hxg4 17. hxg4 Rh6 18. Qd3 Qc7 19. g5 Rg6 20. Rfe1 Nf5 21. Ba3 Kf7 22. Bxc5 Bxc5 23. Nxc5 Rd8 24. Qc3 Nd4 25. Nxd4 exd4 26. Qxd4 Rxg5+ 27. Kf1 Bc8 28. Qe3 Re5 29. Qg3 Rxe1+ 30. Kxe1 e5 31. Ke2 Qa5 32. Qe3 Rd4 33. Ne4 Bf5 34. f3 Qa3 35. Nc3 Rd3 36. Qxd3 Bxd3+ 37. Kxd3 Qd6+ 38. Ke2 Qd4 39. Rc1 f5 40. Rh1 Kg8 41. Rh5 g6 42. Rg5 Kf7 43. Rg2 Kf6 44. a3 a5 45. Rf2 g5 46. Rf1 Kg6 47. Rf2 Qd6 48. Kd1 Qxa3 49. Kc2 Qd6 50. d3 Qd4 51. Nd1 Qa1 52. Nc3 Qg1 53. Nd1 Qe1 54. Rg2 Qh1 55. Rf2 Qg1 56. Kd2 Kf6 57. Ke2 Ke6 58. Kd2 Kd6 59. Re2 Qb6 60. Kc2 Qd4 61. Rg2 Qf4 62. Rf2 Kc5 63. Re2 Kb4 64. Nc3 Qd4 65. Na2+ Ka3 66. Nc3 Kb4 67. Na2+ Kc5 68. Nc3 Kd6 69. Nd1 g4 70. fxg4 Qxg4 71. Rf2 Qh3 72. Nc3 Ke6 73. Kd2 Qh1 74. Nd1 Qg1 75. Ke2 Qg4+ 76. Kd2 Qd4 77. Kc2 f4 78. Rf3 Qg1 79. Kd2 Qg2+ 80. Rf2 Qg3 81. Ke2 Kd6 82. Rf3 Qg2+ 83. Rf2 Qg4+ 84. Kd2 Qg3 85. Ke2 Kc5 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.05.01"]
[Round "2"]
[White "Kolasa, Pjotrs"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1936"]
[BlackElo "2161"]
[PlyCount "101"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 e5 9. 0-0 Qe7 10. Rd1 0-0 11. h3 e4 12. Ng5 Nb6 13. Bb3 Bf5 14. f3 Nbd5 15. Ncxe4 Nd7 16. Qf2 Bc7 17. Nc3 Qxg5 18. Nxd5 Bg3 19. Qf1 cxd5 20. e4 Qf6 21. exf5 Qxf5 22. Be3 Nf6 23. Qd3 Qd7 24. Bc2 g6 25. Qd2 Rfe8 26. Bf4 Bxf4 27. Qxf4 Kg7 28. Re1 Rac8 29. Bb3 Nh5 30. Qg5 Nf6 31. Qf4 h6 32. Re5 Re6 33. Rae1 Rce8 34. Qd2 Qb5 35. Kh2 Rd6 36. Qf4 Qd7 37. Rxe8 Nxe8 38. Rxe8 Rf6 39. Qb8 Rd6 40. Rg8+ Kf6 41. Qe8 Qe6 42. Qxe6+ fxe6 43. Rf8+ Ke7 44. Rh8 Rb6 45. Rxh6 Rb4 46. Rxg6 a5 47. Rg4 b5 48. h4 a4 49. h5 axb3 50. axb3 e5 51. h6 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2017.04.30"]
[Round "1"]
[White "Osis, Reinars"]
[Black "Meskovs, Nikita"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2161"]
[BlackElo "2510"]
[PlyCount "108"]
[EventDate "2017.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. Nbd2 Bb7 5. c3 Be7 6. h4 Nh5 7. Bg5 f6 8. Be3 f5 9. Bg5 0-0 10. e3 Nf6 11. Bxf6 Bxf6 12. Bd3 d5 13. g4 fxg4 14. Ng5 Bxg5 15. hxg5 Qxg5 16. Bxh7+ Kf7 17. f4 gxf3 18. Qxf3+ Ke7 19. Qh3 Rf6 20. 0-0-0 Rh6 21. Qf3 Rxh1 22. Qxh1 Qh6 23. Qxh6 gxh6 24. Rh1 Nd7 25. Rxh6 Rh8 26. Rh3 Ba6 27. Kc2 Nf6 28. Bf5 Rg8 29. Bd3 Bxd3+ 30. Kxd3 Rg2 31. c4 Ng4 32. Rf3 Nf2+ 33. Kc3 Nd1+ 34. Kc2 Nxb2 35. Kc3 Nxc4 36. Nxc4 dxc4 37. a4 Ra2 38. Kxc4 Rxa4+ 39. Kb3 Ra1 40. Rh3 Re1 41. Kc3 Kd6 42. Kd2 Ra1 43. Rh5 Ra3 44. e4 c5 45. dxc5+ bxc5 46. Rg5 a5 47. Rg8 Ke5 48. Rc8 Kd4 49. Kc2 a4 50. e5 Rh3 51. Rc6 Kd5 52. Ra6 a3 53. Ra5 Kd4 54. Kb1 Rc3 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2013.04.20"]
[Round "9"]
[White "Osis, Reinars"]
[Black "Dunaveckis, Deniss"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2143"]
[BlackElo "2043"]
[PlyCount "161"]
[EventDate "2013.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 Be7 4. e3 b6 5. Nbd2 Bb7 6. Bd3 c5 7. c3 Nc6 8. 0-0 Rc8 9. Nc4 d5 10. Nce5 Nd7 11. Nxc6 Bxc6 12. Ba6 Ra8 13. a4 f6 14. b4 Nb8 15. Bd3 c4 16. Bc2 0-0 17. Qb1 f5 18. g4 Qc8 19. Kh1 Kh8 20. Rg1 Be8 21. h3 a6 22. Rg2 Nc6 23. Qb2 Qd8 24. gxf5 exf5 25. Rag1 g6 26. Bh6 Rg8 27. h4 Bf6 28. h5 Ne7 29. Qb1 Qc8 30. Rg3 Qe6 31. R1g2 Bf7 32. Ng5 Bxg5 33. Rxg5 Rae8 34. Qg1 Qf6 35. hxg6 Rxg6 36. Rxg6 Bxg6 37. Qh2 Qe6 38. Qc7 Bh5 39. Bg7+ Kg8 40. Be5+ Kf8 41. Rg3 Rc8 42. Qa7 Qc6 43. Rg7 Bf7 44. Rxh7 Ra8 45. Qc7 Qxc7 46. Bxc7 b5 47. a5 Kg8 48. Rh6 Bg6 49. Be5 Kf7 50. Bd1 Re8 51. Bf3 Rd8 52. Kg2 Nc6 53. Kg3 Rd7 54. Rh8 Nd8 55. Kh4 Ke6 56. Rg8 Bf7 57. Rf8 Nc6 58. Bf4 Rd8 59. Bh6 Rxf8 60. Bxf8 Kf6 61. Kg3 Kg5 62. Bg7 Be6 63. Be5 Bf7 64. Bg2 Be6 65. Bh3 Bf7 66. f3 Bg8 67. e4 Nxe5 68. f4+ Kh6 69. fxe5 dxe4 70. Bxf5 Bd5 71. Kf4 Bb7 72. Bxe4 Bc8 73. d5 Kg7 74. Bf5 Bb7 75. Ke4 Kf7 76. Kd4 Ke7 77. d6+ Kd8 78. Kc5 Bf3 79. e6 Bh5 80. Kb6 Ke8 81. Kc7 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2013.04.19"]
[Round "8"]
[White "Osis, Reinars"]
[Black "Vins, Aleksis"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2143"]
[BlackElo "1915"]
[PlyCount "89"]
[EventDate "2013.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Bf5 3. c4 Bxb1 4. Rxb1 dxc4 5. Qa4+ c6 6. Qxc4 Nf6 7. b4 e6 8. b5 Qb6 9. Qc2 c5 10. e3 Nbd7 11. Be2 Be7 12. 0-0 0-0 13. a4 Rac8 14. Qb3 cxd4 15. exd4 Nd5 16. Bd2 Qc7 17. Rfc1 Qb8 18. g3 Bd6 19. Ne1 Rxc1 20. Rxc1 Rc8 21. Rc2 Rxc2 22. Nxc2 Qc7 23. Ne3 N7f6 24. Bf3 Nxe3 25. Bxe3 h6 26. Kg2 Kh7 27. h3 Kg8 28. Bd2 b6 29. Ba8 Qb8 30. Bc6 Qd8 31. Qc4 Qc7 32. f4 g6 33. Kf3 h5 34. g4 hxg4+ 35. hxg4 Qe7 36. g5 Ne8 37. Bxe8 Qxe8 38. Bc3 Qa8+ 39. Qc6 Qb8 40. Bd2 Kf8 41. Ke4 Qc7 42. Bb4 Qxc6+ 43. bxc6 Ke7 44. c7 Kd7 45. Bxd6 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2013.04.18"]
[Round "7"]
[White "Putka, Verner"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2321"]
[BlackElo "2143"]
[PlyCount "85"]
[EventDate "2013.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Bc4 Qa5 8. 0-0 d6 9. f3 Bd7 10. Kh1 Rc8 11. Bb3 Ne5 12. Qd2 Nc4 13. Bxc4 Rxc4 14. Rad1 h5 15. Nde2 Rc8 16. Bd4 Kf8 17. f4 h4 18. Bxf6 Bxf6 19. e5 h3 20. exf6 hxg2+ 21. Kxg2 Qh5 22. fxe7+ Ke8 23. Kf2 Qxh2+ 24. Ke3 Qh3+ 25. Kd4 Be6 26. b3 Qf5 27. Ne4 Kxe7 28. N2g3 Qd5+ 29. Ke3 Qc6 30. c4 Rh3 31. Qd4 Rd8 32. Rh1 Rxh1 33. Rxh1 Kd7 34. Rh8 Rxh8 35. Qxh8 Kc7 36. Qd4 Qa6 37. a4 Qc6 38. Ne2 f5 39. Ng5 Bd7 40. Nf3 Be6 41. Nc3 a6 42. a5 Qe8 43. Kd2 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2013.04.17"]
[Round "6"]
[White "Osis, Reinars"]
[Black "Stepins, Edgars"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2143"]
[BlackElo "2102"]
[PlyCount "73"]
[EventDate "2013.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Nbd2 Nbd7 6. Ne5 0-0 7. Bd3 c5 8. c3 Qb6 9. Rb1 Nxe5 10. dxe5 Nd7 11. Qh5 g6 12. Qh6 Re8 13. Nf3 Bf8 14. Qh4 Bg7 15. Qg3 Nf8 16. h4 h5 17. Bg5 Bd7 18. Qf4 Bb5 19. Bc2 Qc7 20. Bf6 Bxf6 21. Qxf6 Qe7 22. Qf4 Kg7 23. g4 hxg4 24. h5 gxf3 25. hxg6 fxg6 26. Qh6+ Kf7 27. Rg1 Qc7 28. Qg5 Nh7 29. Bxg6+ Kf8 30. Bxh7 Qxh7 31. Qf6+ Qf7 32. Qh6+ Ke7 33. Rg7 Rf8 34. Qf6+ Ke8 35. Rxf7 Rxf7 36. Qxe6+ Kf8 37. Kd2 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2013.04.16"]
[Round "5"]
[White "Antoms, Guntars"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2376"]
[BlackElo "2143"]
[PlyCount "57"]
[EventDate "2013.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. c4 Nf6 2. a3 e6 3. Nf3 d5 4. e3 a5 5. Nc3 Nbd7 6. Qc2 c6 7. d4 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. 0-0 b4 11. Ne4 Nd5 12. Bd2 Qb6 13. Rfc1 b3 14. Qd1 h6 15. Ne5 Nxe5 16. dxe5 c5 17. Bc4 a4 18. Qe2 Be7 19. Ng3 g5 20. Nh5 Qc7 21. e4 Nb6 22. Bb5+ Kf8 23. Bc3 Rg8 24. Rd1 Rg6 25. Rd2 Bc6 26. Rad1 g4 27. Nf6 Kg7 28. Rd6 Bxd6 29. Ne8+ 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2013.04.15"]
[Round "4"]
[White "Osis, Reinars"]
[Black "Indricans, Olgerts"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2143"]
[BlackElo "2120"]
[PlyCount "103"]
[EventDate "2013.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 e6 4. e3 f5 5. Ne5 Nf6 6. Nd2 Be7 7. Bd3 0-0 8. 0-0 Nbd7 9. c3 Nxe5 10. Bxe5 Bd7 11. f3 Be8 12. Qb3 b6 13. Rae1 Nd7 14. Bf4 b5 15. Qc2 Bg5 16. Bd6 Be7 17. Bg3 Bh4 18. Bf2 Bxf2+ 19. Rxf2 Qf6 20. Ref1 Nb6 21. e4 Nc4 22. Bxc4 bxc4 23. exf5 exf5 24. b3 cxb3 25. Nxb3 f4 26. Nc5 Bg6 27. Qc1 Qd6 28. Re2 Rfe8 29. Rxe8+ Rxe8 30. Re1 Rb8 31. Qa3 Qd8 32. Qxa7 Ra8 33. Qb7 Rb8 34. Ne6 Rxb7 35. Nxd8 Ra7 36. Nxc6 Rxa2 37. Ne7+ Kf8 38. Nxd5 Rc2 39. Nxf4 Rxc3 40. Nxg6+ hxg6 41. Rd1 Rc2 42. h4 Ke7 43. d5 Kd6 44. Kh2 Rc4 45. Kh3 Ra4 46. Rd3 Rb4 47. g3 Ra4 48. f4 Ra7 49. Kg4 Rf7 50. Kg5 Rf6 51. Re3 Kxd5 52. Re7 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2013.04.13"]
[Round "1"]
[White "Sveshnikov, Vladimir"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2434"]
[BlackElo "2143"]
[PlyCount "53"]
[EventDate "2013.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 Nc6 7. Bd3 Bb4+ 8. Bd2 Qb6 9. 0-0 Nxd4 10. Be4 Nxf3+ 11. Qxf3 0-0 12. Qd3 Kh8 13. Bxd5 exd5 14. Bxb4 Qxb4 15. Qxd5 Qxb2 16. Nd2 d6 17. Qxd6 Re8 18. Nc4 Qe2 19. Qd4 Kg8 20. f4 Be6 21. Nd6 Re7 22. Rf2 Qa6 23. f5 Bd7 24. f6 Re6 25. Nf5 Rd8 26. Nh6+ Kf8 27. Qb4+ 1-0

[Event "Riga Tech op 2nd"]
[Site "Riga"]
[Date "2012.08.06"]
[Round "1"]
[White "Fridman, Daniel"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2653"]
[BlackElo "2163"]
[PlyCount "41"]
[EventDate "2012.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qb3 Qb6 5. Nc3 Qxb3 6. axb3 Bf5 7. c5 Na6 8. e4 Nb4 9. Ra4 dxe4 10. Rxb4 exf3 11. Rxb7 e5 12. Be3 Nd7 13. Na4 Be7 14. gxf3 Bf6 15. d5 cxd5 16. c6 Nb6 17. Bb5 0-0 18. Bc5 Rfc8 19. c7 Nxa4 20. Bxa4 a6 21. Bc6 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2012.06.23"]
[Round "8"]
[White "Valantiejus, Vaidotas"]
[Black "Osis, Reinars"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1928"]
[BlackElo "2202"]
[PlyCount "120"]
[EventDate "2012.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 b6 3. d4 Bb7 4. Bd3 g6 5. Ne2 Bg7 6. 0-0 cxd4 7. cxd4 Nc6 8. Be3 Nb4 9. Nbc3 Nxd3 10. Qxd3 Nf6 11. f3 0-0 12. a4 a6 13. Rfc1 d6 14. Rc2 Rc8 15. Rac1 d5 16. e5 Nd7 17. Na2 Nb8 18. Rxc8 Bxc8 19. b4 f6 20. exf6 Bxf6 21. Bf4 Bf5 22. Qb3 Qd7 23. Rc7 Qe6 24. Qe3 Qxe3+ 25. Bxe3 Rc8 26. Rxc8+ Bxc8 27. Nac3 e6 28. b5 a5 29. Bf4 Nd7 30. Bc7 Kf7 31. f4 g5 32. g3 gxf4 33. gxf4 Kg6 34. Kg2 Bb7 35. Kg3 Be7 36. Kf3 Bb4 37. Nd1 Kh5 38. Nf2 Kh4 39. Kg2 Bd2 40. h3 Kh5 41. Nd3 Kg6 42. Ne5+ Nxe5 43. fxe5 Kf5 44. Kf3 Kg6 45. Bxb6 Kf7 46. Ng3 Kg6 47. Kg4 Bc8 48. Nh5 Bb4 49. Nf6 Kg7 50. Ne8+ Kf7 51. Nc7 Bd7 52. Na6 Bc3 53. Nb8 Be8 54. Nc6 Bxc6 55. bxc6 Ke7 56. Kh5 Bd2 57. Bc7 Ke8 58. Bb6 Ke7 59. Bc5+ Ke8 60. Bb6 Ke7 1/2-1/2

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2012.06.22"]
[Round "7"]
[White "Osis, Reinars"]
[Black "Dzenkauskas, Jurgis"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2202"]
[BlackElo "1828"]
[PlyCount "47"]
[EventDate "2012.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Ne5 0-0 6. Nd2 c5 7. c3 Nbd7 8. Bd3 Re8 9. h4 Nxe5 10. dxe5 Nd7 11. Qh5 Nf8 12. Nf3 f6 13. Rh3 f5 14. Rg3 Ng6 15. Rxg6 hxg6 16. Qxg6 Rf8 17. Bh6 Rf7 18. 0-0-0 Kf8 19. Bg5 b5 20. Qh7 Bxg5 21. Nxg5 Rb7 22. Qh8+ Ke7 23. Qxg7+ Ke8 24. Bxb5+ 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2012.06.22"]
[Round "6"]
[White "Tokranovs, Dmitrijs"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1973"]
[BlackElo "2202"]
[PlyCount "61"]
[EventDate "2012.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nd7 4. Nf3 e6 5. Bd3 g6 6. 0-0 Ngf6 7. Nbd2 a6 8. a4 b6 9. e5 dxe5 10. dxe5 Nd5 11. Be4 f5 12. exf6 N7xf6 13. c4 Nxe4 14. Nxe4 Nb4 15. Bg5 Qc7 16. Bf6 Bg7 17. Nd6+ Kf8 18. Bxg7+ Kxg7 19. Nxc8 Raxc8 20. Qe2 Rhe8 21. Ne5 Kf6 22. Qf3+ Kg7 23. Rad1 Qxe5 24. Rd7+ Kh6 25. Qh3+ Qh5 26. Qe3+ g5 27. f4 Rc7 28. Rxc7 Qg4 29. fxg5+ Kh5 30. Rxh7+ Kg6 31. Rh6+ 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2012.06.21"]
[Round "5"]
[White "Osis, Reinars"]
[Black "Vaicekauskas, Gytis"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2202"]
[BlackElo "2058"]
[PlyCount "107"]
[EventDate "2012.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c3 c5 4. e3 b6 5. Nbd2 Bb7 6. Bd3 Be7 7. 0-0 0-0 8. e4 d6 9. Qe2 Qc7 10. e5 dxe5 11. dxe5 Nfd7 12. Re1 Nc6 13. a4 Rad8 14. Nc4 a6 15. Bf4 Ba8 16. Bc2 b5 17. axb5 axb5 18. Na3 b4 19. Nc4 Nb6 20. Nxb6 Qxb6 21. Bg5 h6 22. Qe4 g6 23. Bxe7 Nxe7 24. Rxa8 Rxa8 25. Qh4 Nf5 26. Bxf5 exf5 27. Qxh6 Ra7 28. h4 f6 29. Qxg6+ Rg7 30. Qxf5 fxe5 31. Qxe5 Qf6 32. Qd5+ Kh8 33. Re6 Qf4 34. Re3 Qf5 35. Re5 Qf7 36. Qxf7 Rfxf7 37. Ng5 Rc7 38. Ne6 Rce7 39. Rh5+ Rh7 40. Rxh7+ Rxh7 41. Nxc5 Rxh4 42. Kf1 bxc3 43. bxc3 Rc4 44. Nd3 Rxc3 45. Ke2 Kg7 46. f4 Kf6 47. g4 Ra3 48. Ke3 Ke6 49. Kd4 Ra4+ 50. Ke3 Ra3 51. Kd4 Ra4+ 52. Ke3 Ra3 53. Kd4 Ra4+ 54. Ke3 1/2-1/2

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2012.06.21"]
[Round "4"]
[White "Vedrickas, Tautvydas"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "2329"]
[BlackElo "2202"]
[PlyCount "67"]
[EventDate "2012.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Nd5 6. e3 Nxc3 7. bxc3 Qa5 8. Bd2 Be6 9. Ne5 Qa6 10. Be2 f6 11. Nf3 g6 12. 0-0 Nd7 13. e4 Qa5 14. Be3 Nb6 15. Qc2 Bg7 16. Rfb1 Kf7 17. d5 cxd5 18. Rb5 Qa6 19. Bxb6 axb6 20. Qb2 Rhd8 21. Rxb6 Qa5 22. Nd4 Bd7 23. exd5 Qxd5 24. Qb4 Rac8 25. Bf3 Qg5 26. Rxb7 Bf8 27. a5 Kg8 28. Qb6 Qd2 29. Rd1 Qxd1+ 30. Bxd1 Be8 31. Bf3 Rd6 32. Qxd6 exd6 33. Bd5+ Kh8 34. a6 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2012.06.20"]
[Round "3"]
[White "Osis, Reinars"]
[Black "Tvarijonas, Tomas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2202"]
[BlackElo "1998"]
[PlyCount "93"]
[EventDate "2012.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. c4 dxc4 5. Nc3 c6 6. Ne5 e6 7. f3 Nd5 8. Bc1 Bd6 9. Nxc4 Bc7 10. e4 Nxc3 11. bxc3 Bg6 12. Ba3 b5 13. Ne5 a6 14. h4 f6 15. h5 Bxe4 16. fxe4 fxe5 17. Qg4 Kd7 18. d5 cxd5 19. exd5 Kc8 20. Rd1 Qf6 21. Qxe6+ Kb7 22. Qxf6 gxf6 23. Bd3 e4 24. Bc2 Nd7 25. d6 Ba5 26. Bxe4+ Kb6 27. Bxa8 Bxc3+ 28. Kf1 Rxa8 29. Rh3 b4 30. Bc1 a5 31. Be3+ Kb5 32. Bd4 Rc8 33. Rc1 Rc6 34. Bxc3 bxc3 35. Rcxc3 Rxd6 36. Rhd3 Rxd3 37. Rxd3 Ne5 38. Rb3+ Kc5 39. Rb7 h6 40. Ke2 a4 41. Ke3 Kc4 42. Ke4 Nd3 43. Rc7+ Nc5+ 44. Kf5 a3 45. Kxf6 Kb4 46. Kg6 Ne4 47. Rc2 1-0

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2012.06.20"]
[Round "2"]
[White "Poska, Karolis"]
[Black "Osis, Reinars"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "1887"]
[BlackElo "2202"]
[PlyCount "72"]
[EventDate "2012.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 b6 11. Be2 Bb7 12. f3 g5 13. Qd2 Rg8 14. 0-0 Be5 15. Nd5 Qb8 16. h3 Nf4 17. Nb4 Qd6 18. Bxf4 Bxf4 19. Qxd6 Bxd6 20. Nd3 Rc8 21. Kf2 h5 22. g3 h4 23. g4 Bg3+ 24. Ke3 Rg6 25. f4 Re6 26. Bf3 f6 27. fxg5 fxg5 28. Bg2 Rf6 29. Rxf6 exf6 30. Rc2 a5 31. b4 Ba6 32. bxa5 bxa5 33. Kd4 d6 34. c5 Kd7 35. Rc1 Ke6 36. cxd6 Bf2+ 0-1

[Event "Baltija Cup"]
[Site "Palanga"]
[Date "2012.06.19"]
[Round "1"]
[White "Osis, Reinars"]
[Black "Levdansky, Alexey"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2202"]
[BlackElo "1734"]
[PlyCount "120"]
[EventDate "2012.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. Nh4 Bg6 5. Nxg6 hxg6 6. c4 dxc4 7. Nc3 e6 8. e4 Bb4 9. Bg5 Qd7 10. Bxf6 gxf6 11. Bxc4 0-0 12. Qb3 Nc6 13. 0-0-0 Bxc3 14. Qxc3 Kg7 15. d5 exd5 16. Bxd5 Qg4 17. g3 Ne7 18. Bxb7 Rab8 19. e5 Ng8 20. exf6+ Nxf6 21. Bd5 Rfd8 22. h4 Qf5 23. Bf3 Rxd1+ 24. Rxd1 Kg8 25. Rd4 Qe6 26. b3 c5 27. Rc4 Nd7 28. Re4 Qa6 29. Kb2 Qd6 30. h5 c4 31. h6 f6 32. Qxc4+ Kh8 33. Qd4 Qxd4+ 34. Rxd4 Ne5 35. Be2 Kh7 36. f4 Nc6 37. Rd7+ Kxh6 38. Bf3 Rc8 39. Bxc6 Rxc6 40. Rxa7 Rd6 41. Rc7 Re6 42. a4 Re3 43. Rc3 Re2+ 44. Ka3 Re1 45. a5 g5 46. b4 Ra1+ 47. Kb2 Ra4 48. Kb3 Ra1 49. fxg5+ Kxg5 50. Kc4 Kf5 51. Kb5 Ke5 52. a6 Rd1 53. a7 Rd8 54. Kb6 f5 55. Kb7 Kd4 56. Rc8 Rd7+ 57. Kb6 Rd6+ 58. Kb5 Rd5+ 59. Ka4 Ke4 60. a8Q Ke5 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.05.05"]
[Round "9"]
[White "Stepins, Edgars"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "2082"]
[BlackElo "2211"]
[PlyCount "75"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Nd5 6. e4 Nxc3 7. bxc3 Qa5 8. Bd2 Qa6 9. a5 f6 10. Qa4 b5 11. axb6 axb6 12. Qxa6 Rxa6 13. Rb1 Be6 14. Be2 Nd7 15. 0-0 g6 16. Ra1 Rxa1 17. Rxa1 Bg7 18. Ra7 Kf7 19. d5 cxd5 20. exd5 Bg4 21. d6 Be6 22. Nd4 b5 23. Bf3 f5 24. Nxe6 Kxe6 25. dxe7 Rc8 26. Bc6 Nf6 27. e8Q+ Rxe8 28. Rxg7 Rd8 29. Be1 b4 30. cxb4 Rd1 31. Kf1 c3 32. Ba4 Rc1 33. Rc7 Ne4 34. f3 Nd2+ 35. Ke2 Ra1 36. Rxc3 Nb1 37. Bb3+ Kf6 38. Rc1 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.05.04"]
[Round "8"]
[White "Rasa, Gints"]
[Black "Osis, Reinars"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2124"]
[BlackElo "2211"]
[PlyCount "79"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nf6 4. Nc3 Nc6 5. Bb5 Bd7 6. Nf3 a6 7. Bxc6 Bxc6 8. Qe2 e5 9. 0-0-0 b5 10. Rde1 Ra7 11. d3 g6 12. Reg1 Bg7 13. Nd1 a5 14. Ne3 a4 15. g4 axb3 16. axb3 h5 17. g5 Nd7 18. Nd5 0-0 19. c4 Re8 20. Nd2 Bxd5 21. cxd5 Nb6 22. Kc2 Ra2 23. h4 Qe7 24. Ra1 Rea8 25. Rxa2 Rxa2 26. Ra1 Rxa1 27. Bxa1 f6 28. d4 exd4 29. Qxb5 Nd7 30. f4 fxg5 31. hxg5 Qf7 32. Qf1 Nb6 33. Qb5 Nxd5 34. exd5 Qxf4 35. Qe8+ Kh7 36. Qe7 Qf5+ 37. Ne4 Kh8 38. Qe8+ Kh7 39. Qe7 Kh8 40. Qe8+ 1/2-1/2

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.05.03"]
[Round "7"]
[White "Osis, Reinars"]
[Black "Mierins, Eriks"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2211"]
[BlackElo "2109"]
[PlyCount "66"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. Nh4 Bd7 5. Nc3 c5 6. e3 e6 7. Nf3 Qb6 8. Rb1 cxd4 9. exd4 Nc6 10. Be2 Be7 11. 0-0 0-0 12. a3 a6 13. Na2 Rac8 14. c3 Ne4 15. Nd2 Bd6 16. Bxd6 Nxd6 17. f4 f6 18. Kh1 Ne7 19. Qb3 Qc7 20. Bf3 f5 21. Be2 Ne4 22. Nf3 Qxf4 23. Qxb7 Rf6 24. Bd3 Rh6 25. Bxe4 fxe4 26. h3 exf3 27. Rxf3 Qd6 28. Nb4 Bb5 29. Re1 Rf6 30. Nxd5 Qxd5 31. Qxe7 Rxf3 32. Re5 Rf1+ 33. Kh2 Qd7 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.05.02"]
[Round "6"]
[White "Kalnins, Kristaps"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2290"]
[BlackElo "2211"]
[PlyCount "149"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 Ng4 9. Qxg4 Nxd4 10. Qd1 Nc6 11. Qd2 0-0 12. Bh6 Qc5 13. Bxg7 Kxg7 14. Bb3 d6 15. Kh1 Be6 16. f4 Bxb3 17. axb3 a6 18. f5 Qd4 19. Qf4 Qe5 20. Qg4 Nb4 21. Rf2 Rad8 22. Re2 b5 23. Rf1 Rc8 24. Rff2 Rc7 25. Qh4 f6 26. Nd1 g5 27. Qh3 Nxc2 28. Qd3 Nb4 29. Qd2 Nc6 30. Qd3 Qd4 31. Qb1 Nb4 32. Rd2 Qc5 33. Nc3 h5 34. Qd1 Rh8 35. Rf3 Qe5 36. Qa1 h4 37. h3 Rhc8 38. Qd1 Kh6 39. g3 hxg3 40. Kg2 Kg7 41. Rxg3 Rh8 42. Qe2 Rh4 43. Rg4 Rxg4+ 44. Qxg4 Rc8 45. Ne2 Rh8 46. Qf3 Rh4 47. Ng3 Kf7 48. Qc3 g4 49. Qxb4 Rxh3 50. Qc3 Qf4 51. Rf2 Qh6 52. Qd2 Qh4 53. Qf4 Rh2+ 54. Kf1 Rh3 55. Rg2 Ke8 56. Ke2 Kd7 57. Kd2 Ke8 58. Kc2 Kf7 59. Ne2 g3 60. Qxh4 Rxh4 61. Nxg3 Rg4 62. Kd3 e6 63. Rg1 d5 64. exd5 exd5 65. Ne2 Rh4 66. Nd4 Rh3+ 67. Kc2 b4 68. Re1 Rh2+ 69. Re2 Rh4 70. Kd3 Rh3+ 71. Re3 Rh2 72. Re6 Rh3+ 73. Kd2 Rh2+ 74. Ke3 Rh3+ 75. Nf3 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.05.01"]
[Round "5"]
[White "Osis, Reinars"]
[Black "Meskovs, Nikita"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2211"]
[BlackElo "2319"]
[PlyCount "66"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 g6 3. e4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Bc4 Nf6 8. f3 Bd7 9. Qd2 0-0 10. Nxc6 bxc6 11. 0-0-0 a5 12. g4 a4 13. e5 Ne8 14. Bh6 Bxe5 15. Bxf8 Kxf8 16. Rhe1 Qa5 17. f4 Bg7 18. Qe3 e6 19. a3 Rb8 20. Rd2 d5 21. Nd1 Nd6 22. Bd3 c5 23. Qg3 c4 24. f5 Qb6 25. fxe6 cxd3 26. e7+ Ke8 27. cxd3 Be6 28. Rc2 h6 29. Nc3 Ra8 30. Qg2 Qa5 31. h3 Rc8 32. Qg3 Kxe7 33. Qf4 d4 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.05.01"]
[Round "4"]
[White "Osis, Reinars"]
[Black "Tokranovs, Dmitrijs"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2211"]
[BlackElo "1929"]
[PlyCount "119"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Nf6 4. Nbd2 g6 5. e3 Bg7 6. Bd3 0-0 7. h3 Nbd7 8. c3 b6 9. Ne5 Bb7 10. Qa4 Nxe5 11. Bxe5 Nd7 12. Bxg7 Kxg7 13. f4 e6 14. g4 Qc7 15. 0-0-0 a5 16. Qc2 Ba6 17. Bxa6 Rxa6 18. h4 Nf6 19. g5 Nh5 20. Rhg1 c5 21. Nf3 Rb8 22. Ne5 b5 23. dxc5 Qxc5 24. Qd3 Ra7 25. Kb1 Rc8 26. Qd4 Qxd4 27. Rxd4 f6 28. gxf6+ Nxf6 29. a4 bxa4 30. Rxa4 Rb7 31. Kc2 Rcb8 32. Nd3 Rb5 33. Rga1 Ng4 34. Kd2 Kf6 35. Rxa5 Rxb2+ 36. Nxb2 Rxb2+ 37. Kd3 Nf2+ 38. Kd4 Rd2+ 39. Kc5 Ne4+ 40. Kc6 Rc2 41. R1a3 Nd2 42. Ra8 h5 43. Rf8+ Ke7 44. Rg8 Kf6 45. Kd7 Kf5 46. Rf8+ Kg4 47. Kxe6 Nc4 48. Ra1 Nxe3 49. Rg1+ Kxh4 50. Rxg6 Rxc3 51. f5 Rc4 52. f6 Re4+ 53. Kd7 Ng4 54. Kd6 d4 55. Kd5 Rf4 56. Ke6 d3 57. Rd8 Re4+ 58. Kf5 Re3 59. Kf4 Re6 60. Rxg4+ 1-0

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.04.30"]
[Round "3"]
[White "Krilovs, Nikolaijs"]
[Black "Osis, Reinars"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "2052"]
[BlackElo "2211"]
[PlyCount "78"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. f3 Qb4 9. Nxc6 dxc6 10. Bb3 0-0 11. Qd2 Qa5 12. 0-0-0 Re8 13. Kb1 Nd7 14. g4 Nc5 15. Bxc5 Qxc5 16. h4 b5 17. h5 a5 18. hxg6 hxg6 19. a4 b4 20. Ne2 Ba6 21. Nf4 Qe5 22. Qc1 e6 23. Rd7 Red8 24. Bxe6 Rxd7 25. Bxd7 Bb7 26. g5 Qxg5 27. Rg1 Qf6 28. Nd3 Qd6 29. Bh3 c5 30. Qg5 c4 31. e5 Qd5 32. Nc1 Qxe5 33. Qxe5 Bxe5 34. Bg2 Rd8 35. f4 Bd4 36. Bxb7 Bxg1 37. c3 b3 38. Bf3 Be3 39. Be2 Bxf4 0-1

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.04.30"]
[Round "2"]
[White "Osis, Reinars"]
[Black "Dzirkalis, Edvins"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2211"]
[BlackElo "2088"]
[PlyCount "172"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 c5 5. e3 Nc6 6. c3 Be7 7. Bd3 Qc7 8. 0-0 h6 9. Bh4 Nd7 10. Bg3 Bd6 11. Bxd6 Qxd6 12. e4 cxd4 13. exd5 Qxd5 14. Be4 Qb5 15. Bxc6 Qxc6 16. Nxd4 Qd5 17. Qe2 a6 18. Rad1 0-0 19. N2b3 Nf6 20. Nf3 Qh5 21. Qe5 Qxe5 22. Nxe5 Re8 23. Rd6 b5 24. Nc5 Nd5 25. Nc6 Kf8 26. Ra1 Ne7 27. Rad1 Nxc6 28. Rxc6 a5 29. Rc7 e5 30. f3 Kg8 31. Nd7 Ba6 32. Nc5 Bc8 33. Kf2 Bf5 34. Ne4 Red8 35. Rxd8+ Rxd8 36. Ke2 Be6 37. b3 a4 38. Nc5 axb3 39. axb3 Bd5 40. Rd7 Rxd7 41. Nxd7 f6 42. Nc5 Kf7 43. Kd3 Ke7 44. c4 bxc4+ 45. bxc4 Bc6 46. Ke3 f5 47. g3 Kd6 48. Nd3 g5 49. f4 gxf4+ 50. gxf4 e4 51. Ne5 Kc5 52. Nf7 h5 53. Ne5 Ba4 54. h3 Bb3 55. Nd7+ Kxc4 56. Nf6 Bd1 57. Ne8 Bf3 58. Nd6+ Kd5 59. Nxf5 Bg2 60. h4 Bf3 61. Ng3 Ke6 62. Nxe4 Bd1 63. Ng3 Kd5 64. Kd2 Bf3 65. Kd3 Bg4 66. Nf1 Bf5+ 67. Ke3 Bg4 68. Nh2 Bd1 69. Kd3 Ba4 70. Nf3 Bb5+ 71. Ke3 Ba4 72. Nd2 Bc2 73. Nf1 Bd1 74. Nh2 Ke6 75. Ke4 Bc2+ 76. Kf3 Kf5 77. Kg3 Bd1 78. Nf3 Ke4 79. Ne5 Kf5 80. Nc6 Ke4 81. Nd8 Kf5 82. Nb7 Ke6 83. Nc5+ Kf5 84. Nd3 Be2 85. Nf2 Ke6 86. Ne4 Bd1 1/2-1/2

[Event "LAT-ch"]
[Site "Riga"]
[Date "2012.04.29"]
[Round "1"]
[White "Sveshnikov, Evgeny"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2499"]
[BlackElo "2211"]
[PlyCount "78"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. d4 cxd4 6. Qxd4 e6 7. Nbd2 Nc6 8. Bb5 Bd7 9. Bxc6 Bxc6 10. Nc4 dxe5 11. Ncxe5 Ne7 12. Qxd8+ Rxd8 13. Ng5 f6 14. Nxc6 Nxc6 15. Nxe6 Rd6 16. Nxf8 Rxf8 17. Be3 Kf7 18. Rd1 Rfd8 19. Ke2 Rxd1 20. Rxd1 Rxd1 21. Kxd1 b5 22. Kc2 Ke6 23. Kd3 Kd5 24. f4 a6 25. b3 h5 26. Bc1 g6 27. Be3 Ne7 28. Bd4 Ke6 29. c4 Nc6 30. cxb5 axb5 31. a4 Nb4+ 32. Ke2 Nd5 33. Kf3 Nc7 34. g4 hxg4+ 35. Kxg4 Ke7 36. f5 Kf7 37. a5 Kg7 38. Kf4 Kf7 39. Ke4 Na6 1-0

[Event "Riga RTU op-A"]
[Site "Riga"]
[Date "2011.08.09"]
[Round "1"]
[White "Ehlvest, Jaan"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2583"]
[BlackElo "2178"]
[PlyCount "47"]
[EventDate "2011.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 Ng4 9. Qxg4 Nxd4 10. Qd1 Ne6 11. Nd5 Bxb2 12. Rb1 Bg7 13. f4 Nc7 14. Bb6 axb6 15. Nxc7+ Kd8 16. Nxa8 Qc5+ 17. Kh1 Qxc4 18. e5 b5 19. Nb6 Qc5 20. Nxc8 Kxc8 21. Qd3 b4 22. c3 Rd8 23. cxb4 Qb6 24. Qc4+ 1-0

[Event "Baltija Cup op-A"]
[Site "Palanga"]
[Date "2011.06.23"]
[Round "8"]
[White "Osis, Reinars"]
[Black "Starcevs, Dmitrijs"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2174"]
[BlackElo "1840"]
[PlyCount "67"]
[EventDate "2011.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nc3 d5 5. Qd2 Ne4 6. Qd3 Nxc3 7. Qxc3 c6 8. Qd2 h5 9. Be5 Bh6 10. e3 f6 11. Bd3 Rg8 12. Bg3 Be6 13. Nh4 Bf7 14. f4 e6 15. Rf1 Nd7 16. c3 g5 17. fxg5 Bxg5 18. Nf3 Bh6 19. Bf4 Bg7 20. Bg3 e5 21. Bf5 Nb6 22. b3 Qe7 23. 0-0-0 a5 24. a4 Bh6 25. dxe5 Qa3+ 26. Qb2 Bxe3+ 27. Kb1 Qc5 28. exf6 Nc8 29. Rfe1 Rxg3 30. hxg3 Kf8 31. Ne5 Nb6 32. Nxf7 Kxf7 33. Qe2 d4 34. Qxh5+ 1-0

[Event "Baltija Cup op-A"]
[Site "Palanga"]
[Date "2011.06.22"]
[Round "7"]
[White "Malinin, Yuri"]
[Black "Osis, Reinars"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2346"]
[BlackElo "2174"]
[PlyCount "134"]
[EventDate "2011.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 b4 8. Ne4 Bf5 9. Ng3 Bg6 10. Bxc4 e6 11. 0-0 a5 12. Qe2 Be7 13. Bd2 0-0 14. Rac1 Ra7 15. Ne4 h6 16. Bb3 Qb6 17. Nd6 Rd8 18. Bxd5 exd5 19. Bf4 Na6 20. Qe3 Nc7 21. Bg3 Ne6 22. b3 Bh5 23. Rfd1 Ng5 24. Nf5 Ne4 25. Bf4 Bf8 26. h3 Nc3 27. Rd2 c5 28. g4 Bg6 29. Nd6 Bxd6 30. exd6 c4 31. bxc4 dxc4 32. Ne5 Nd5 33. Nxc4 Qa6 34. Qf3 Nxf4 35. Qxf4 Rc8 36. d5 Rd7 37. Rdd1 b3 38. Ne5 Rxc1 39. Rxc1 Rxd6 40. Nxg6 fxg6 41. Qe5 b2 42. Rb1 Qd3 43. Rxb2 Qxd5 44. Qxd5+ Rxd5 45. Rb5 Rd4 46. Rxa5 h5 47. f3 h4 48. Ra8+ Kh7 49. Kf2 Rd2+ 50. Kf1 Rh2 51. Re8 Rxh3 52. Kg2 Rg3+ 53. Kf2 Rh3 54. Re2 Rh2+ 55. Ke3 Rh1 56. Ra2 g5 57. Ra3 Rh2 58. a5 Kg6 59. a6 Rc2 60. a7 Rc8 61. f4 h3 62. Kf2 gxf4 63. Rxh3 Kf6 64. Ra3 Kf7 65. Kf3 g5 66. Ke4 Ke6 67. Ra2 Kd6 1-0

[Event "Baltija Cup op-A"]
[Site "Palanga"]
[Date "2011.06.22"]
[Round "6"]
[White "Vanagas, Tadas"]
[Black "Osis, Reinars"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2049"]
[BlackElo "2174"]
[PlyCount "99"]
[EventDate "2011.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. f3 Qb4 9. Bb3 Nxe4 10. fxe4 Bxd4 11. Qd2 0-0 12. 0-0-0 Bxc3 13. bxc3 Qa3+ 14. Kb1 a5 15. Qf2 d6 16. Rhf1 Ne5 17. Bc1 Qc5 18. Qxc5 dxc5 19. Rd5 Ng4 20. Rxc5 a4 21. Bc4 Nxh2 22. Rf4 Ng4 23. Rg5 Nh6 24. Re5 Kg7 25. Rxe7 b5 26. Bd5 Ra6 27. Rf1 a3 28. Bxh6+ Kxh6 29. Rexf7 Rxf7 30. Rxf7 Rd6 31. Ra7 Be6 32. Rxa3 Bxd5 33. exd5 Rxd5 34. c4 bxc4 35. Rh3+ Kg7 36. Kb2 Rg5 37. a4 Rxg2 38. a5 Rg5 39. Ra3 Rb5+ 40. Kc3 Rb8 41. a6 h5 42. a7 Ra8 43. Kxc4 Kf6 44. Kd4 Kf5 45. Ke3 Kg4 46. Kf2 g5 47. Kg2 Kf4 48. Ra4+ Ke5 49. Ra5+ Kd4 50. Rxg5 1/2-1/2

[Event "Baltija Cup op-A"]
[Site "Palanga"]
[Date "2011.06.21"]
[Round "4"]
[White "Jankunas, Tomas"]
[Black "Osis, Reinars"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1940"]
[BlackElo "2174"]
[PlyCount "56"]
[EventDate "2011.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Bc4 Nc7 5. d4 b5 6. Bb3 Bb7 7. Nf3 c4 8. Bc2 g6 9. a4 a6 10. Nbd2 Bg7 11. Ne4 0-0 12. 0-0 Nd5 13. Bd2 d6 14. Re1 Nc6 15. exd6 exd6 16. b3 h6 17. bxc4 bxc4 18. Qc1 f5 19. Bxh6 fxe4 20. Bxe4 Nce7 21. Qg5 Kh7 22. Qh4 Nf5 23. Ng5+ Kg8 24. Bxf5 Rxf5 25. Bxg7 Qxg5 26. Qh8+ Kf7 27. Qh7 Qxg2+ 28. Kxg2 Nf6+ 0-1

[Event "Baltija Cup op-A"]
[Site "Palanga"]
[Date "2011.06.21"]
[Round "5"]
[White "Osis, Reinars"]
[Black "Simanaitis, Vytautas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2174"]
[BlackElo "2002"]
[PlyCount "41"]
[EventDate "2011.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Ne5 0-0 6. Nd2 c5 7. c3 b6 8. Bd3 Ba6 9. Bc2 h6 10. h4 cxd4 11. exd4 Nh7 12. Ndf3 Re8 13. Bxh7+ Kxh7 14. Nxf7 Bxf4 15. Nxd8 Rxd8 16. Qc2+ Kg8 17. g3 Bd6 18. Qg6 Nc6 19. Ng5 hxg5 20. Qxe6+ Kf8 21. hxg5 1-0

[Event "Baltija Cup op-A"]
[Site "Palanga"]
[Date "2011.06.20"]
[Round "3"]
[White "Osis, Reinars"]
[Black "Krivonosov, Oleg"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2174"]
[BlackElo "2440"]
[PlyCount "48"]
[EventDate "2011.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 cxd4 5. Bxb8 Rxb8 6. Qa4+ Bd7 7. Qxa7 dxc3 8. Nxc3 e6 9. e3 Bb4 10. Qd4 Qa5 11. Nd2 Rc8 12. Rc1 0-0 13. Bd3 Bxc3 14. bxc3 Qxa2 15. Ke2 Qa5 16. c4 dxc4 17. Nxc4 Qh5+ 18. f3 Bc6 19. g4 Qh3 20. e4 Rfd8 21. Qf2 Nxg4 22. Qg3 Qxg3 23. hxg3 Rxd3 24. Kxd3 Nf2+ 0-1

[Event "Baltija Cup op-A"]
[Site "Palanga"]
[Date "2011.06.20"]
[Round "2"]
[White "Osis, Reinars"]
[Black "Slusnys, Evaldas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2174"]
[BlackElo "1898"]
[PlyCount "65"]
[EventDate "2011.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Qb6 5. Qb3 Nc6 6. e3 e6 7. Nbd2 Be7 8. h4 Bd7 9. h5 h6 10. Be2 Na5 11. Qxb6 axb6 12. Ne5 Nc6 13. a3 Nxe5 14. Bxe5 0-0 15. Bc7 cxd4 16. exd4 Rfc8 17. Bf4 b5 18. Rb1 Bc6 19. Rh3 Kh8 20. Nf3 Nd7 21. Bd3 Bf6 22. Kf1 Re8 23. Re1 Nb6 24. g4 Nc4 25. Re2 Re7 26. g5 hxg5 27. Bxg5 Bxg5 28. Nxg5 Rae8 29. f4 Nd6 30. Nf3 Ne4 31. Ne5 Nf6 32. Reh2 Rg8 33. Ng6+ 1-0

[Event "Baltija Cup op-A"]
[Site "Palanga"]
[Date "2011.06.19"]
[Round "1"]
[White "Lepeskaite, Migle"]
[Black "Osis, Reinars"]
[Result "0-1"]
[ECO "D16"]
[WhiteElo "1783"]
[BlackElo "2174"]
[PlyCount "82"]
[EventDate "2011.06.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "LTU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Nd5 6. e4 Nxc3 7. bxc3 Qa5 8. Bd2 Qa6 9. Ne5 Be6 10. a5 f6 11. Nf3 Nd7 12. Bf4 g5 13. Bg3 h5 14. h3 0-0-0 15. Ra4 Nc5 16. Rb4 Nxe4 17. Qc2 Nxg3 18. fxg3 Qxa5 19. Ra4 Qc7 20. Kf2 b5 21. Ra6 Kb8 22. Be2 Bc8 23. Ra2 e6 24. Qb2 Bd6 25. Rha1 g4 26. Rxa7 Bxg3+ 27. Kf1 Qxa7 28. Rxa7 gxf3 29. Qa3 fxe2+ 30. Kxe2 Bb7 31. Qc5 Bc7 32. Ra1 e5 33. Rf1 exd4 34. cxd4 Rhe8+ 35. Kf2 Rd5 36. Qa3 Rxd4 37. Kg1 Bd6 38. Qb2 Be5 39. Qa3 Rd3 40. Qa2 h4 41. Rb1 Bg3 0-1

[Event "Pardubice Jihlavanka op"]
[Site "Pardubice"]
[Date "2007.07.25"]
[Round "6"]
[White "Osis, Reinars"]
[Black "Scerbin, Dmitrij"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2134"]
[BlackElo "2358"]
[PlyCount "108"]
[EventDate "2007.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 e6 3. Nc3 Nf6 4. e4 Qa5 5. Bd2 Qxc5 6. Bd3 a6 7. Nf3 Nc6 8. 0-0 b5 9. Re1 Ng4 10. Qe2 Bd6 11. e5 Bc7 12. Bf4 Qb4 13. Qd2 h5 14. a3 Qf8 15. h3 Nh6 16. Ne4 Nf5 17. b4 Qe7 18. c3 Kf8 19. a4 bxa4 20. Rxa4 Nb8 21. c4 Bb7 22. c5 Nc6 23. Bg5 Qe8 24. Nc3 Ncd4 25. Nxd4 Nxd4 26. Qf4 Nc6 27. b5 axb5 28. Rxa8 Qxa8 29. Bg6 f5 30. Bxf5 exf5 31. Qxf5+ Kg8 32. Nd5 Bxe5 33. f4 Qf8 34. Qxd7 Qf7 35. Ne7+ Nxe7 36. Qxb7 Bd4+ 37. Kh1 Ng6 38. Qxb5 Kh7 39. c6 Re8 40. Rd1 Be3 41. Rd7 Qa2 42. Rd1 Qc2 43. Qd5 Bxf4 44. Bd8 Re5 45. Qf3 Qe2 46. c7 Qxf3 47. gxf3 Rc5 48. Rd7 Ne5 49. Rd5 Rc1+ 50. Kg2 Rc2+ 51. Kf1 Kg6 52. Ra5 Nxf3 53. Ra8 Bg3 54. Ra6+ Kf7 0-1

[Event "LAT-LTU m"]
[Site "Liepaja"]
[Date "2005.08.14"]
[Round "1"]
[White "Osis, Reinars"]
[Black "Sciupokas, Arunas"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2062"]
[PlyCount "53"]
[EventDate "2005.08.14"]
[EventType "team"]
[EventRounds "1"]
[EventCountry "LAT"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4 4. Bh4 g6 5. Nbd2 Bg7 6. e3 Nxd2 7. Qxd2 0-0 8. Bd3 c5 9. c3 Nc6 10. dxc5 Bg4 11. Nd4 Ne5 12. f3 Bd7 13. Be2 Qe8 14. 0-0 Nc4 15. Bxc4 dxc4 16. Rfd1 e5 17. Nc2 Ba4 18. Rab1 Qe6 19. Rbc1 Bh6 20. Qe2 Qc6 21. Rd6 Qc8 22. Kf2 Re8 23. Qxc4 b5 24. Qd5 Bxc2 25. Rxc2 Bf8 26. Rd7 Re6 27. Rd8 1-0

