[Event "BLR-chT U18"]
[Site "Gomel"]
[Date "2024.03.05"]
[Round "7.2"]
[White "Sidorenja, Radion"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "42"]
[EventDate "2024.03.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 b5 6. Qd2 Nbd7 7. 0-0-0 Qa5 8. Kb1 Bg7 9. Bh6 Bxh6 10. Qxh6 Nb6 11. e5 b4 12. exf6 bxc3 13. fxe7 Be6 14. b3 Nd5 15. Ne2 Bf5 16. Re1 Bxc2+ 17. Kxc2 Qxa2+ 18. Kd3 Qa6+ 19. Kc2 Nb4+ 20. Kxc3 Qd3+ 21. Kb2 Qc2+ 0-1

[Event "BLR-chT U18"]
[Site "Gomel"]
[Date "2024.03.04"]
[Round "5.2"]
[White "Piatrenka, Ivan"]
[Black "Novikau, Mikita"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "145"]
[EventDate "2024.03.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Bf5 5. cxd5 cxd5 6. Qb3 Qd7 7. Nf3 e6 8. Ne5 Qc7 9. Bb5+ Nbd7 10. Bd2 a6 11. Rc1 Qd6 12. Bxd7+ Nxd7 13. Qxb7 Rb8 14. Qxd7+ Qxd7 15. Nxd7 Kxd7 16. Na4 Bd3 17. b4 Bc4 18. a3 a5 19. bxa5 Bxa3 20. Ra1 Bb2 21. Rb1 Bxd4 22. Rc1 Ba7 23. Bc3 f6 24. Bd4 Bxd4 25. exd4 Rb5 26. Nb6+ Kd6 27. Kd2 Rxa5 28. Rxc4 Rb5 29. Rc8 Rxc8 30. Nxc8+ Kd7 31. Rc1 Rb2+ 32. Ke3 Rb3+ 33. Ke2 Rb2+ 34. Ke1 Rb7 35. Rc2 Kd8 36. Nd6 Rb6 37. Nf7+ Kd7 38. Ra2 Rb7 39. Ra8 Ke7 40. Nh8 e5 41. Rg8 Ke6 42. dxe5 fxe5 43. g4 d4 44. g5 e4 45. Rd8 g6 46. h4 Ke5 47. Re8+ Kd5 48. Rf8 d3 49. Rf7 Rb1+ 50. Kd2 Rb2+ 51. Kc1 Rc2+ 52. Kd1 Ra2 53. Rxh7 Rxf2 54. Nxg6 Kd4 55. Rd7+ Ke3 56. Kc1 Rc2+ 57. Kb1 Rc5 58. Ne7 d2 59. g6 Rc1+ 60. Kb2 d1Q 61. Rxd1 Rxd1 62. g7 Rd8 63. h5 Kf4 64. Ng6+ Kf3 65. Nf8 e3 66. g8Q e2 67. Qf7+ Kg2 68. Qe7 Kf1 69. Qxd8 e1Q 70. Qf6+ Kg2 71. h6 Kh1 72. h7 Qf2+ 73. Qxf2 1/2-1/2

[Event "BLR-chT U18"]
[Site "Gomel"]
[Date "2024.03.03"]
[Round "4.2"]
[White "Peatrov, Oleg"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "106"]
[EventDate "2024.03.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. c4 e5 4. d3 Nc6 5. Nc3 d6 6. Bg2 f5 7. 0-0 Nf6 8. Bg5 h6 9. Bxf6 Qxf6 10. Rb1 0-0 11. Nd2 Ne7 12. Nd5 Nxd5 13. Bxd5+ Kh7 14. Bg2 g5 15. b4 g4 16. e3 f4 17. Ne4 Qg6 18. exf4 exf4 19. gxf4 Rxf4 20. Qd2 Rf8 21. d4 Kh8 22. Rb3 h5 23. d5 Bh6 24. Qd4+ Qg7 25. Qxg7+ Kxg7 26. c5 Bf4 27. cxd6 cxd6 28. Rc3 Bf5 29. Ng3 Bg6 30. Rc7+ Rf7 31. Rxf7+ Bxf7 32. Ne2 Bg5 33. Nd4 Kf6 34. Re1 Re8 35. Rxe8 Bxe8 36. Kf1 Ke5 37. Ne6 Bd2 38. Nd8 Bxb4 39. Nxb7 Bb5+ 40. Kg1 Bc5 41. Nd8 h4 42. Nc6+ Kf6 43. Bf1 Ba4 44. Kg2 Bd1 45. Bd3 Bf3+ 46. Kf1 Bxd5 47. Nb8 Ba3 48. Bb1 a5 49. Nd7+ Kg5 50. Nb6 Be6 51. Ke2 h3 52. Na4 d5 53. Nc3 Bd6 0-1

[Event "BLR-chT U18"]
[Site "Gomel"]
[Date "2024.03.02"]
[Round "2.2"]
[White "Borischik, Sergey"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "99"]
[EventDate "2024.03.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. Be3 Nc6 8. d5 Ne7 9. Nd2 c5 10. g4 Ne8 11. g5 f5 12. gxf6 Nxf6 13. h4 h5 14. f3 Nh7 15. Nf1 Bf6 16. Qd2 Kh8 17. 0-0-0 a6 18. Bf2 Bd7 19. Ne3 b5 20. Bf1 Bg7 21. Bg2 Bh6 22. Rdg1 Rb8 23. Kb1 bxc4 24. Qc2 Rb4 25. a3 Rb7 26. Nxc4 Bb5 27. Be3 Bxe3 28. Nxe3 Qa5 29. Ka1 Rfb8 30. Rb1 Nc8 31. Bf1 Nb6 32. Rg1 Rg8 33. Rg3 Nd7 34. Bc4 Nb6 35. Be2 Nd7 36. Rbg1 Ndf8 37. Bd1 Qd8 38. Nf5 Qf6 39. Be2 Bd7 40. Bxa6 Rb6 41. Bd3 Be8 42. Nd1 Bf7 43. Nh6 Rg7 44. Ne3 Rb7 45. Nc4 Be8 46. Qd2 Rbe7 47. f4 exf4 48. Rf3 Qd4 49. Rc1 Nf6 50. Qxf4 1-0

[Event "BLR-chT U18"]
[Site "Gomel"]
[Date "2024.03.02"]
[Round "3.2"]
[White "Piatrenka, Ivan"]
[Black "Sadouski, Ivan"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2000"]
[BlackElo "1800"]
[PlyCount "45"]
[EventDate "2024.03.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 e6 8. b4 Nbd7 9. Qc2 dxc4 10. Bxc4 Nb6 11. Be2 Nbd5 12. Rb1 Qd6 13. a3 b6 14. Na4 Nd7 15. Rd1 Bb7 16. e4 Ne7 17. Bg5 Rfe8 18. Nb2 Rac8 19. Nc4 Qc7 20. Bh4 f6 21. Bg3 e5 22. dxe5 Nxe5 23. Nd6 1-0

[Event "BLR-chT U18"]
[Site "Gomel"]
[Date "2024.03.01"]
[Round "1.2"]
[White "Piatrenka, Ivan"]
[Black "Buldovich, Raman"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "92"]
[EventDate "2024.03.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 Nc6 7. 0-0 e5 8. d5 Ne7 9. Nd2 Bh6 10. b4 Ne8 11. c5 Bxd2 12. Bxd2 Ng7 13. Be3 f5 14. f3 f4 15. Bf2 g5 16. Rc1 Bd7 17. a4 Rf6 18. a5 Qe8 19. b5 Rh6 20. Kh1 Qh5 21. Bg1 dxc5 22. Na4 Ngf5 23. exf5 Nxf5 24. Qe1 Ng3+ 25. Qxg3 fxg3 26. Bc4 Kh8 27. Nxc5 Qe8 28. Rfe1 Rxh2+ 29. Bxh2 Qh5 30. Kg1 Qxh2+ 31. Kf1 Qh1+ 32. Ke2 Qxg2+ 33. Kd3 Bf5+ 34. Kc3 Qxf3+ 35. Kb4 b6 36. Nb3 Bd3 37. Bxd3 Qxd3 38. Rc3 Qxd5 39. Rxg3 bxa5+ 40. Ka3 Qxb5 41. Re4 Rd8 42. Rc3 Rd3 43. Rxd3 Qxd3 44. Rxe5 Qd6+ 45. Rc5 g4 46. Ka4 g3 0-1

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.15"]
[Round "9"]
[White "Piatrenka, Ivan"]
[Black "Polyakov, Pavel1"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1719"]
[BlackElo "2076"]
[PlyCount "69"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 Ne7 4. Nf3 Nbc6 5. g3 Bg4 6. cxd5 Bxf3 7. exf3 Qxd5 8. Qxd5 Nxd5 9. Bb5 Ndb4 10. Bxc6+ bxc6 11. Na3 Nd3+ 12. Ke2 Nxe5 13. f4 Ng4 14. Kf3 Bxa3 15. bxa3 h5 16. Re1+ Kd7 17. Bb2 f6 18. Rad1+ Kc8 19. Re7 Rb8 20. Bc3 Rd8 21. Rxd8+ Kxd8 22. Rxg7 Rb1 23. h3 Rc1 24. Ba5 Nh6 25. Rxc7 Ke8 26. Rxa7 Nf5 27. a4 Rc4 28. Bb6 Nd6 29. a5 Rc3+ 30. Kg2 f5 31. Rh7 c5 32. Rc7 c4 33. a6 Ra3 34. a7 Rxa2 35. Rc5 1-0

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.14"]
[Round "8"]
[White "Mrishchuk, Volodymyr"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1470"]
[BlackElo "1719"]
[PlyCount "64"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a4 Nbd7 8. Bf4 Nh5 9. Be3 e5 10. d5 c5 11. Nd2 Nf4 12. Nc4 Nb6 13. a5 Nxc4 14. Bxc4 f5 15. f3 Qg5 16. Qd2 Qe7 17. Bxc5 Qc7 18. b4 a6 19. Bb3 Kh8 20. Be3 Qxc3 21. Bxf4 exf4 22. Qxf4 Qxb4 23. Ra4 Qc5+ 24. Kh1 fxe4 25. Qxe4 Bf5 26. Qe7 Rae8 27. Qxb7 Qf2 28. Qxa6 Re1 29. Bc4 Bc8 30. Qb5 Bd7 31. Qb6 Rxf1+ 32. Bxf1 Qxf1+ 0-1

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.13"]
[Round "7"]
[White "Piatrenka, Ivan"]
[Black "Vashchilov, Sergey"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1719"]
[BlackElo "2039"]
[PlyCount "106"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Nge2 h5 10. h4 Bg4 11. Qb3 Nc6 12. 0-0-0 Nxg3 13. fxg3 Bxc3 14. Qxc3 Qe7 15. Re1 Nb4 16. Qb3 Nxa2+ 17. Kd2 Nb4 18. Nc3 0-0-0 19. Qa3 Nc6 20. Bd3 Qxa3 21. bxa3 f5 22. hxg5 Ne7 23. Ne2 Bxe2 24. Bxe2 Rdg8 25. Bxh5 Rxg5 26. Bf7 Rxh1 27. Be6+ Kd8 28. Rxh1 c6 29. Rh3 Rg6 30. Bf7 Rg7 31. Bh5 b5 32. Ke2 Nc8 33. Kf3 Nd6 34. Kf4 Kc7 35. g4 fxg4 36. Bxg4 Nc4 37. Bf3 Nxa3 38. e4 dxe4 39. Bxe4 Nc4 40. g4 Nd6 41. Bc2 Rf7+ 42. Ke5 Rf2 43. Bb3 Re2+ 44. Kf6 Rg2 45. Be6 a5 46. Rh7+ Kb6 47. Rd7 Ne8+ 48. Kf5 Nc7 49. Bf7 a4 50. Rd6 Rf2+ 51. Kg6 a3 52. d5 Nxd5 53. Bxd5 Kc5 0-1

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.12"]
[Round "6"]
[White "Tolkatch, Roman"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1439"]
[BlackElo "1719"]
[PlyCount "116"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 e5 5. d3 Nc6 6. e4 Nge7 7. h3 0-0 8. a4 a5 9. Nc3 h6 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Nd2 Qd8 13. Re1 Be6 14. Ne4 b6 15. Nf6+ Qxf6 16. Bxc6 Bxh3 17. Bxa8 Rxa8 18. Bd2 h5 19. Bc3 Re8 20. f4 Qc6 21. Qe2 f6 22. fxe5 fxe5 23. Kh2 Bf5 24. Qg2 Qd6 25. Re2 Bf6 26. Rae1 Kf7 27. Kg1 Qd7 28. b3 h4 29. Rf1 Bh3 30. Rxf6+ Kxf6 31. Qf2+ Qf5 32. gxh4 Bg4 33. Qxf5+ gxf5 34. Rh2 Rh8 35. Kf2 f4 36. d4 Kf5 37. dxe5 Rh6 38. Bb2 Ke4 39. Rh1 Rc6 40. Re1+ Kf5 41. c4 Rh6 42. e6 Rxe6 43. Rxe6 Kxe6 44. Bc3 c5 45. Bd2 Kf5 46. Bc3 Bd1 47. Bg7 Bxb3 48. Bf8 Bxa4 49. Bd6 Bb3 50. Bc7 a4 51. Bxb6 a3 52. Bxc5 a2 53. Bd4 Bxc4 54. Bg7 Bf7 55. Ke1 Ke4 56. Kd2 f3 57. Bh8 Bh5 58. Ke1 Ke3 0-1

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.11"]
[Round "5"]
[White "Piatrenka, Ivan"]
[Black "Dzenisenia, Mikhail"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1719"]
[BlackElo "1826"]
[PlyCount "84"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 a6 5. Qc2 Bg4 6. h3 Bh5 7. Qb3 b5 8. cxd5 cxd5 9. g4 Bg6 10. g5 Nh5 11. Be2 e6 12. Qd1 b4 13. Na4 Be4 14. Nf3 g6 15. Rg1 Bxf3 16. Bxf3 Ng7 17. Nc5 Nd7 18. Qa4 Bxc5 19. dxc5 0-0 20. Qxb4 Rc8 21. b3 Nxc5 22. Be2 Qd6 23. Ba3 Qh2 24. Rf1 Nf5 25. Rc1 Ne4 26. Rxc8 Rxc8 27. Bxa6 Rb8 28. Qa5 Qe5 29. Ke2 Nxg5 30. Rc1 Kg7 31. Bd3 Nd4+ 32. Kd1 Ndf3 33. Qc7 Qxc7 34. Rxc7 Nxh3 35. Ke2 Nhg5 36. b4 h5 37. b5 h4 38. Bd6 Ra8 39. b6 Rxa2+ 40. Bc2 h3 41. b7 Rb2 42. Kf1 Ne4 0-1

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.10"]
[Round "4"]
[White "Yankouski, Vitali"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1602"]
[BlackElo "1719"]
[PlyCount "104"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 d5 4. Bf4 Nc6 5. e3 Nh5 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nxg3 9. hxg3 g4 10. Ng1 h5 11. Bd3 e6 12. Nd2 Qg5 13. Qe2 Bd7 14. 0-0-0 0-0-0 15. Kb1 e5 16. dxe5 Nxe5 17. Bc2 Bc6 18. Nb3 b6 19. Rh2 Bd6 20. Qa6+ Kb8 21. Ne2 Bb7 22. Qa4 Bc6 23. Qa6 Bb7 24. Qa4 a6 25. Nd2 b5 26. Qa5 Nc6 27. Qb6 Qe7 28. Nb3 c4 29. Nbd4 Nxd4 30. Nxd4 Qe8 31. Nf5 Bc7 32. Qf6 Be5 33. Qe7 Qxe7 34. Nxe7 b4 35. cxb4 d4 36. exd4 Bxd4 37. f4 Bf2 38. Nf5 Rxd1+ 39. Bxd1 Rd8 40. Bc2 Re8 41. Kc1 Be1 42. a3 Re2 43. Rxh5 Rxg2 44. Rg5 c3 45. bxc3 Bxc3 46. Bd3 Bb2+ 47. Kb1 Bxa3 48. Rxg4 Bxb4 49. Rg8+ Kc7 50. Rg7 Bd5 51. Ne3 Ba2+ 52. Kc1 Bd2+ 0-1

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.09"]
[Round "3"]
[White "Piatrenka, Ivan"]
[Black "Krukouski, Serafim"]
[Result "1/2-1/2"]
[ECO "A69"]
[WhiteElo "1719"]
[BlackElo "1636"]
[PlyCount "82"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 d6 5. e4 g6 6. f4 Bg7 7. Nf3 0-0 8. Be2 exd5 9. cxd5 Re8 10. e5 Nfd7 11. 0-0 dxe5 12. fxe5 Nxe5 13. Kh1 Bf5 14. d6 Nxf3 15. Bxf3 Nc6 16. Bf4 Be5 17. Bxc6 bxc6 18. Qd2 Qd7 19. Rae1 Bxf4 20. Qxf4 Rxe1 21. Rxe1 Rd8 22. Rd1 Qe6 23. h3 c4 24. Rd4 Bd3 25. Na4 Qe1+ 26. Kh2 Qb4 27. Rxd3 Qxa4 28. Re3 Qb4 29. Re7 Qxd6 30. Qxd6 Rxd6 31. Rxa7 Rd1 32. Ra6 Rb1 33. Rxc6 Rxb2 34. Rxc4 Rxa2 35. h4 Kg7 36. Rc5 Ra4 37. Kh3 f5 38. h5 Kh6 39. hxg6 hxg6 40. g3 Kg5 41. Rc3 Ra2 1/2-1/2

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.08"]
[Round "2"]
[White "Puchkouski, Arsenii"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1341"]
[BlackElo "1719"]
[PlyCount "98"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 0-0 6. a3 d6 7. h3 Be6 8. Nd5 Bxd5 9. exd5 Nb8 10. Ba2 c6 11. dxc6 bxc6 12. Be3 Nbd7 13. 0-0 d5 14. Re1 Bd6 15. Bg5 Qc7 16. c4 Rae8 17. Rc1 e4 18. Nd4 Be5 19. Nf5 Bxb2 20. Rc2 Qe5 21. Bxf6 Nxf6 22. d4 Qxf5 23. Rxb2 Rb8 24. Qb1 Rxb2 25. Qxb2 Qd7 26. cxd5 cxd5 27. Rb1 h5 28. Qb7 Rd8 29. Qxd7 Rxd7 30. Kf1 Kf8 31. Ke2 Ke7 32. a4 Kd6 33. a5 Ne8 34. Kd2 Nc7 35. Rb7 a6 36. Bb3 Ke7 37. Ke3 Ke6 38. Ba4 Re7 39. g4 hxg4 40. hxg4 Kf6 41. Bb3 Kg5 42. Bd1 g6 43. Be2 Kf6 44. Bf1 Ke6 45. Bxa6 Nxa6 46. Rb6+ Kd7 47. Rxa6 Re8 48. Rb6 Rc8 49. Kf4 Rc2 1/2-1/2

[Event "BLR-ch sf"]
[Site "Minsk"]
[Date "2023.12.07"]
[Round "1"]
[White "Piatrenka, Ivan"]
[Black "Kisliak, Tsimur"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1719"]
[BlackElo "1286"]
[PlyCount "80"]
[EventDate "2023.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Bf5 7. Bxf6 Bxf6 8. Qb3 Bc8 9. Nxd5 Nd7 10. Nf3 0-0 11. Be2 c6 12. Nxf6+ Qxf6 13. 0-0 Nb6 14. a4 Be6 15. Qb4 Rab8 16. a5 Nd7 17. Rfc1 Bd5 18. Nd2 Qg6 19. Bf3 Nf6 20. Bxd5 Nxd5 21. Qc4 Rfe8 22. a6 Ne7 23. axb7 Rxb7 24. Nf3 Qf5 25. h3 h6 26. Qc5 Qf6 27. Rxa7 Rxb2 28. Qe5 Kf8 29. Rca1 Rbb8 30. Rc7 Rbc8 31. Qxf6 gxf6 32. Rxc8 Rxc8 33. Rc1 Ra8 34. Rc2 Ra6 35. g4 Nd5 36. Kg2 Ke8 37. Nh4 Ne7 38. Rc5 Kf8 39. Nf5 Nxf5 40. Rxf5 Kg7 1-0

[Event "Minsk op"]
[Site "Minsk"]
[Date "2023.11.09"]
[Round "7"]
[White "Halavan, Uladzimir"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1452"]
[BlackElo "1742"]
[PlyCount "82"]
[EventDate "2023.11.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. 0-0 0-0 11. Re1 f5 12. Nxe5 Qf6 13. Nf3 g5 14. c3 g4 15. Nd4 Nf4 16. Bf1 Qh6 17. g3 Nh3+ 18. Bxh3 Qxh3 19. b4 c5 20. bxa5 Bb7 21. Qb3+ Rf7 22. Qxb7 Rxb7 23. Nxf5 Rd7 24. Na3 Rf8 25. Nxd6 Rxd6 26. d4 Rxf2 27. Kxf2 Qxh2+ 28. Kf1 Rf6+ 29. Bf4 Rxf4+ 30. gxf4 g3 31. Re8+ Kf7 32. Ke1 g2 33. Kd2 g1Q+ 34. Kd3 Qxa1 35. Kc4 Qaxa2+ 36. Kb5 Kxe8 37. dxc5 Qb3+ 38. Ka6 Qh6+ 39. Kxa7 Qf7+ 40. Ka8 Qa6+ 41. Kb8 Qfb7# 0-1

[Event "Minsk op"]
[Site "Minsk"]
[Date "2023.11.08"]
[Round "6"]
[White "Piatrenka, Ivan"]
[Black "Kirko, Ivan"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1742"]
[BlackElo "1273"]
[PlyCount "107"]
[EventDate "2023.11.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. g4 Nf6 6. gxf5 exf5 7. Qb3 b6 8. cxd5 cxd5 9. Bb5+ Kf7 10. Nf3 g6 11. Bd2 Bb7 12. 0-0-0 a6 13. Ne5+ Kg7 14. Bd3 Nc6 15. Bxf5 b5 16. Rhg1 b4 17. Nxg6 Ne5 18. dxe5 hxg6 19. exf6+ Qxf6 20. Kb1 Bc6 21. Ne2 a5 22. Nf4 Qxf5+ 23. e4 Qxe4+ 24. Ka1 a4 25. Qe3 Be8 26. Ne6+ Kg8 27. Nxf8 Qxe3 28. fxe3 Kxf8 29. Bxb4+ Kg8 30. Rg2 Bf7 31. Rf2 Ra7 32. e4 dxe4 33. Bc3 Kh7 34. Bxh8 Kxh8 35. Re2 a3 36. bxa3 Rxa3 37. Rd4 e3 38. Re4 Ra6 39. R4xe3 Kg7 40. a3 Bc4 41. Rc2 Be6 42. Rc5 Kf6 43. Kb2 Rb6+ 44. Kc3 Rb3+ 45. Kd4 Rb6 46. Rf3+ Ke7 47. Ke5 Bf5 48. Re3 Ra6 49. Kd5+ Kd7 50. Kc4 Kd6 51. Rd5+ Kc7 52. Re7+ Kc8 53. Kb4 Be6 54. Ra5 1-0

[Event "Minsk op"]
[Site "Minsk"]
[Date "2023.11.07"]
[Round "5"]
[White "Trafimchuk, Tsikhan"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "1350"]
[BlackElo "1742"]
[PlyCount "97"]
[EventDate "2023.11.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5 11. Rc1 b4 12. Na4 Bd7 13. Qc2 Rc8 14. Ne1 Na5 15. Nd3 c5 16. dxc5 Bxa4 17. bxa4 dxc5 18. Nxc5 Qb6 19. Bd4 Rfd8 20. e3 Ne8 21. Qb2 e5 22. Nd7 Qe6 23. Bb6 Nc4 24. Rxc4 Rxc4 25. Bxd8 Qxd7 26. Qb3 Nd6 27. Rd1 Rc8 28. Ba5 Bf8 29. Bxb4 Qg4 30. h3 Qe2 31. Bf1 Qf3 32. Bg2 Qe2 33. Qd3 Qxa2 34. Bxd6 Rd8 35. Bd5 Qxa4 36. Bxf8 Kxf8 37. e4 Rc8 38. Qb3 Qa5 39. Bxf7 Rc3 40. Qa2 Qb6 41. Kg2 Kg7 42. Bd5 Qc5 43. Qe2 Rc2 44. Qf3 Kh6 45. Rd3 Qa5 46. Qf8+ Kh5 47. Rf3 Qe1 48. Qf6 Kh6 49. Qh4+ 1-0

[Event "Minsk op"]
[Site "Minsk"]
[Date "2023.11.06"]
[Round "4"]
[White "Piatrenka, Ivan"]
[Black "Popov, Tikhon"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1742"]
[BlackElo "2096"]
[PlyCount "106"]
[EventDate "2023.11.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. e4 g6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 a6 10. f3 Nxd4 11. Bxd4 Be6 12. Qd2 Rc8 13. b3 Nd7 14. Bxg7 Kxg7 15. f4 f6 16. Rac1 Qa5 17. Qb2 Rb8 18. b4 Qd8 19. Kh1 Rc8 20. Nd5 Bf7 21. Bg4 e6 22. Ne3 Qe7 23. Rfd1 Rcd8 24. Re1 Rfe8 25. Qf2 Nb8 26. a3 Qf8 27. Qg3 Kh8 28. Qh4 Qg7 29. Bf3 Nc6 30. Red1 e5 31. Ng4 g5 32. fxg5 fxg5 33. Qg3 Be6 34. Ne3 Nd4 35. Bg4 Bxg4 36. Qxg4 Rf8 37. Rf1 Rf4 38. Rxf4 gxf4 39. Qxg7+ Kxg7 40. Nc2 Ne6 41. Rd1 Kf6 42. h4 Ke7 43. Ne1 Re8 44. Rc1 b5 45. c5 dxc5 46. Nd3 Kd6 47. bxc5+ Nxc5 48. Nb4 Rg8 49. Rd1+ Ke6 50. Rc1 Nxe4 51. Nxa6 Rg4 52. Nc7+ Kf5 53. Nxb5 Ng3+ 0-1

[Event "Minsk op"]
[Site "Minsk"]
[Date "2023.11.05"]
[Round "3"]
[White "Popova, Serafima P"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "C79"]
[WhiteElo "1302"]
[BlackElo "1742"]
[PlyCount "84"]
[EventDate "2023.11.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 Bd7 6. 0-0 Nf6 7. Re1 b5 8. Bb3 Nxd4 9. c3 Nxb3 10. Qxb3 g6 11. h3 Bg7 12. Nbd2 0-0 13. Nf1 Nh5 14. Bg5 Qe8 15. Rad1 h6 16. Be3 Qe6 17. Qa3 f5 18. exf5 gxf5 19. Qb3 Rae8 20. Qxe6+ Bxe6 21. b3 Kh7 22. Bc1 Rg8 23. Ng3 Nxg3 24. fxg3 Bf6 25. Kh2 Rg7 26. Be3 Reg8 27. Bf2 f4 28. g4 h5 29. g5 Bxg5 30. Nxg5+ Rxg5 31. Rg1 Bc8 32. Rd2 Bb7 33. Bh4 R5g6 34. c4 e4 35. cxb5 axb5 36. Rc2 c5 37. Be1 e3 38. Re2 f3 39. Rxe3 Rxg2+ 40. Rxg2 Rxg2+ 41. Kh1 f2 42. Re7+ Rg7+ 0-1

[Event "Minsk op"]
[Site "Minsk"]
[Date "2023.11.04"]
[Round "2"]
[White "Piatrenka, Ivan"]
[Black "Zarubitski, Viachaslau"]
[Result "0-1"]
[ECO "E44"]
[WhiteElo "1742"]
[BlackElo "2419"]
[PlyCount "110"]
[EventDate "2023.11.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Bb7 6. a3 Bxc3+ 7. Nxc3 0-0 8. d5 c6 9. g3 cxd5 10. Bg2 Ne4 11. cxd5 Nxc3 12. bxc3 Qc7 13. 0-0 Na6 14. c4 e5 15. Bb2 f6 16. Rc1 Nc5 17. e4 d6 18. Re1 Qd7 19. f4 Qa4 20. Qxa4 Nxa4 21. Ba1 Kf7 22. Kf2 Ke7 23. Ke3 Rac8 24. Bf3 Ba6 25. Be2 Rc5 26. Bd1 Ra5 27. Bg4 Nc5 28. Rc3 Bc8 29. Bf3 Bd7 30. Rb1 Rc8 31. Ke2 Rc7 32. h4 Bc8 33. Rb5 Ra4 34. Rb4 Ba6 35. Ke3 Ra5 36. Bd1 Nb7 37. Be2 Rac5 38. fxe5 fxe5 39. Bb2 Na5 40. Bc1 h6 41. Kf2 Rc8 42. Be3 R5c7 43. Ra4 Bxc4 44. Bg4 Bb5 45. Rxc7+ Rxc7 46. Rb4 Rc2+ 47. Ke1 Be8 48. a4 Nc4 49. Bf2 Nb2 50. Be2 Bxa4 51. Be3 Bd7 52. g4 a5 53. Rxb6 Nc4 54. Rb3 a4 55. Rd3 a3 0-1

[Event "Minsk op"]
[Site "Minsk"]
[Date "2023.11.03"]
[Round "1"]
[White "Grushchenkova, Varvara"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1094"]
[BlackElo "1742"]
[PlyCount "70"]
[EventDate "2023.11.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 c6 7. Re1 d5 8. exd5 cxd5 9. Bd3 Bf5 10. Bxf5 gxf5 11. Be3 Nbd7 12. Qe2 e6 13. Rad1 Ne4 14. Nxe4 fxe4 15. Nd2 f5 16. f3 f4 17. fxe4 fxe3 18. Qxe3 Nf6 19. e5 Ng4 20. Qg3 Nh6 21. c3 Nf5 22. Qh3 Qh4 23. Qxh4 Nxh4 24. g3 Nf5 25. Nb3 b6 26. Rd3 h5 27. Nc1 Bh6 28. Kg2 a5 29. Nb3 Ra7 30. Nd2 Rg7 31. Nf1 h4 32. Kh3 hxg3 33. hxg3 Kf7 34. Rf3 Ke7 35. g4 Rh8 0-1

[Event "Orsha op-A 21st"]
[Site "Orsha"]
[Date "2023.01.20"]
[Round "3"]
[White "Piatrenka, Ivan"]
[Black "Stupak, Kirill"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1907"]
[BlackElo "2453"]
[PlyCount "62"]
[EventDate "2023.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. f3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 e5 8. Be3 exd4 9. cxd4 Bb4+ 10. Kf2 0-0 11. Bc4 Qf6 12. Rb1 Ba5 13. Qc2 Nc6 14. e5 Qe7 15. Qe4 Nd8 16. d5 Ne6 17. Ne2 Rad8 18. Rhd1 Nc5 19. Qg4 Kh8 20. Nf4 Bc3 21. e6 Bc8 22. Qh5 g6 23. Qh3 Bg7 24. Rbc1 Rd6 25. a4 Nxa4 26. Bd3 Kg8 27. exf7+ Qxf7 28. Ne6 Nb2 29. Ng5 Nxd1+ 30. Rxd1 Bxh3 31. Nxf7 Rxf7 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.30"]
[Round "9"]
[White "Protopopova, Anastasiya"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2106"]
[BlackElo "1861"]
[PlyCount "99"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 b5 7. Ne1 c6 8. Nd3 Qc7 9. Bb2 Bb7 10. c4 bxc4 11. bxc4 Nbd7 12. Nd2 c5 13. d5 e6 14. e4 exd5 15. exd5 Rfe8 16. Rb1 Nh5 17. Bxg7 Nxg7 18. Ne4 Bc8 19. Qa4 f5 20. Nc3 Nb8 21. Nb5 Qd8 22. Nxc5 dxc5 23. d6 a6 24. Nc7 Bd7 25. Qa3 Nc6 26. Nxa8 Qxa8 27. Qxc5 Ne6 28. Qb6 Qc8 29. Rfe1 Ncd4 30. Bd5 Kg7 31. Red1 Nc6 32. Qb7 Nc5 33. Qb2+ Kh6 34. Qd2+ Kg7 35. Qc3+ Kh6 36. Re1 Ne4 37. Qe3+ Kg7 38. f3 Nxd6 39. Qc3+ Kh6 40. Qf6 Qc7 41. Rxe8 Nxe8 42. Qf8+ Ng7 43. Qf6 Nh5 44. Qf8+ Ng7 45. f4 Qa7+ 46. c5 Qc7 47. Rb6 Nd8 48. Qd6 Qc8 49. Rb8 Ne8 50. Qf8+ 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.29"]
[Round "8"]
[White "Piatrenka, Ivan"]
[Black "Mikheeva, Galina"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1861"]
[BlackElo "2059"]
[PlyCount "121"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 h6 8. Bh4 0-0 9. Qc2 Re8 10. Nge2 a5 11. h3 Na6 12. a3 Nc7 13. 0-0 Ne6 14. f3 Be7 15. Kh1 b6 16. Rad1 Bb7 17. e4 Nh5 18. Bxe7 Qxe7 19. Qd2 dxe4 20. fxe4 Rad8 21. Qe3 Qh4 22. b4 axb4 23. axb4 Ng5 24. Qf2 Qxf2 25. Rxf2 c5 26. bxc5 Bxe4 27. cxb6 Nxh3 28. Nxe4 Nxf2+ 29. Nxf2 Rb8 30. Rb1 Re6 31. b7 Nf6 32. Nc3 Re7 33. Nfe4 Rbxb7 34. Nxf6+ gxf6 35. Rxb7 Rxb7 36. Be4 Rb4 37. Ne2 f5 38. Bxf5 Kg7 39. Kh2 Kf6 40. Be4 Kg5 41. Kg3 Rb3+ 42. Bf3 Rd3 43. Kf2 f5 44. g3 Kf6 45. Bd5 Ra3 46. Bf3 Rd3 47. Bh5 Ke7 48. Bg6 Kf6 49. Be8 Kg5 50. Nf4 Rb3 51. d5 Rb8 52. Bh5 Kf6 53. Ke3 Ke5 54. Bf3 Rb3+ 55. Nd3+ Kd6 56. Kd4 Ra3 57. Ne5 Kc7 58. d6+ Kd8 59. Bc6 Ra7 60. Kd5 Rg7 61. Ke6 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.28"]
[Round "7"]
[White "Romanov, Nikita M"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2049"]
[BlackElo "1861"]
[PlyCount "155"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 c5 4. dxc5 Qa5 5. a3 Qxc5 6. b4 Qc7 7. Bb2 Bg7 8. e3 0-0 9. c4 b6 10. Be2 Bb7 11. 0-0 d6 12. Qb3 Nbd7 13. Rac1 Rac8 14. Rfd1 Qb8 15. Qa2 Ne4 16. Bxg7 Kxg7 17. Nb3 Rfd8 18. Qb2+ Kg8 19. Ne1 Nef6 20. Nd3 Qa8 21. Bf1 Rc7 22. Rc2 Rdc8 23. Rdc1 Ng4 24. Nd4 Nge5 25. Nf4 Nf6 26. Qb3 Be4 27. Rc3 Bb7 28. f3 a6 29. e4 Qa7 30. Nfe2 Nc6 31. Nxc6 Bxc6 32. Kh1 Bb7 33. Ng3 h5 34. h4 Nd7 35. Qb2 Kh7 36. Qd2 Ne5 37. Qe3 Bc6 38. Be2 Bd7 39. Qg5 Be6 40. Nxh5 f6 41. Nxf6+ exf6 42. Qxf6 Bxc4 43. Qxd6 Nf7 44. Qf4 b5 45. Bxc4 Rxc4 46. Rxc4 Rxc4 47. Rd1 Qc7 48. Qg4 Rc1 49. Rxc1 Qxc1+ 50. Kh2 Ne5 51. Qg3 Nd3 52. Qh3 Qf4+ 53. Kg1 Qe3+ 54. Kh2 Qf4+ 55. Kg1 Qc1+ 56. Kh2 Qxa3 57. Qd7+ Kg8 58. Qe8+ Kg7 59. Qe7+ Kg8 60. Qf6 Qb3 61. Qxg6+ Kf8 62. Qf6+ Kg8 63. Qxa6 Qc4 64. Qg6+ Kf8 65. Qd6+ Kg8 66. h5 Qc3 67. f4 Qd2 68. Qg6+ Kf8 69. Qf6+ Kg8 70. Qg5+ Kh7 71. Qg6+ Kh8 72. Qh6+ Kg8 73. Qe6+ Kh7 74. Qe7+ Kh8 75. Qd8+ Kh7 76. Qd7+ Kh8 77. Qd4+ Kh7 78. Qd7+ 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.27"]
[Round "6"]
[White "Piatrenka, Ivan"]
[Black "Zaichikov, Andrey"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1861"]
[BlackElo "2113"]
[PlyCount "87"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[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. Nd2 Ne8 10. b4 f5 11. c5 Nf6 12. f3 Bh6 13. Kh1 Bxd2 14. Bxd2 f4 15. Rc1 Rf7 16. Qc2 Bd7 17. Nb5 Ne8 18. c6 bxc6 19. dxc6 Bxc6 20. Bc4 d5 21. exd5 Bxd5 22. Bxd5 Nxd5 23. Rfe1 Nd6 24. Na3 Nf5 25. Nc4 Nd4 26. Qd3 Nc6 27. b5 Nce7 28. Nxe5 Rf5 29. Ng4 Qf8 30. Qe4 h5 31. Ne5 Qf6 32. Nc6 Nxc6 33. Rxc6 Qf7 34. Bc1 Nf6 35. Qc2 Re8 36. Rg1 Nd5 37. Bb2 Kh7 38. Qd2 h4 39. Qd4 Rg5 40. Re6 Rg8 41. Rge1 h3 42. Re8 hxg2+ 43. Kg1 Ne3 44. Qh8+ 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.26"]
[Round "5"]
[White "Bolotov, Vyacheslav"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1651"]
[BlackElo "1861"]
[PlyCount "64"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 a6 8. h3 Rb8 9. e4 b5 10. cxb5 axb5 11. d5 Na5 12. Nd4 Bd7 13. Qd3 b4 14. Nce2 e5 15. Nb3 Bb5 16. Qd1 c5 17. dxc6 Nxc6 18. Be3 Qc8 19. Re1 Rd8 20. a4 bxa3 21. Rxa3 Nb4 22. Na1 d5 23. exd5 Nfxd5 24. Qb3 Bc4 25. Qa4 Nd3 26. Bxd5 Rxd5 27. Rb1 Bb5 28. Qb3 Bc6 29. Qc4 Nb4 30. Kh2 Rd8 31. Bg5 Qf5 32. Be3 Qxb1 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.25"]
[Round "4"]
[White "Piatrenka, Ivan"]
[Black "Mutovin, Egor"]
[Result "0-1"]
[ECO "E27"]
[WhiteElo "1861"]
[BlackElo "2176"]
[PlyCount "138"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. e3 Bf5 9. Ne2 0-0 10. g4 Nxg4 11. fxg4 Qh4+ 12. Kd2 Be4 13. Rg1 cxd4 14. cxd4 Rc8 15. Nc3 Qxh2+ 16. Be2 Rxc3 17. Kxc3 Nd7 18. Kd2 Rc8 19. Ra2 Nb6 20. Rf1 Bb1 21. Qb3 Bxa2 22. Qxa2 Na4 23. Qxd5 Qxe2+ 24. Kxe2 Nc3+ 25. Kd3 Nxd5 26. e4 Nb6 27. d5 Nd7 28. Bf4 f6 29. Kd4 h6 30. Bd6 b5 31. Rb1 a6 32. Rb4 Nb6 33. Bc5 Na4 34. Bd6 Rc1 35. Bf4 Rd1+ 36. Ke3 Nb6 37. Bc7 Nc4+ 38. Kf4 g5+ 39. Kf3 Rd3+ 40. Kf2 Rxa3 41. Rb1 Re3 42. Rd1 Rxe4 43. d6 Ne5 44. d7 Nxd7 45. Rxd7 Rxg4 46. Rd6 Kf7 47. Rxa6 h5 48. Rb6 Rb4 49. Kg2 h4 50. Bd8 Rf4 51. Rxb5 Kg6 52. Be7 Kh5 53. Rb6 Kg6 54. Kh3 Rf3+ 55. Kg2 g4 56. Rb4 h3+ 57. Kg1 g3 58. Rb1 Re3 59. Bd6 f5 60. Rf1 Rd3 61. Be5 Kg5 62. Bc7 g2 63. Ra1 Rb3 64. Kh2 Rf3 65. Bd8+ Kg4 66. Bb6 Rf1 67. Ra4+ f4 68. Bg1 Rxg1 69. Kxg1 Kg3 0-1

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.24"]
[Round "3"]
[White "Muromtsev, Arthur"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2154"]
[BlackElo "1861"]
[PlyCount "76"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Qf3 0-0 7. Nf5 Bxf5 8. Qxf5 Qd7 9. Qxd7 Nbxd7 10. Be2 Rfe8 11. Be3 Bf8 12. 0-0-0 c6 13. Bf3 Ne5 14. Bg5 Nxf3 15. gxf3 Nd7 16. Rhg1 a5 17. Ne2 d5 18. Nd4 dxe4 19. fxe4 Nc5 20. f3 g6 21. h4 h5 22. Bf6 Nd7 23. Bg5 Nc5 24. c3 a4 25. Kc2 Kh7 26. Bf6 Nd7 27. Bg5 Ne5 28. Rgf1 Bh6 29. Bxh6 Kxh6 30. Rde1 f6 31. f4 Ng4 32. f5 gxf5 33. Nxf5+ Kg6 34. Nd6 Re7 35. Nf5 Ree8 36. Nd6 Re7 37. Nf5 Ree8 38. Nd6 Re7 1/2-1/2

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.23"]
[Round "2"]
[White "Piatrenka, Ivan"]
[Black "Fokin, Anatoly"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1861"]
[BlackElo "1494"]
[PlyCount "59"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nd7 3. e4 e5 4. Bc4 h6 5. dxe5 dxe5 6. Bxf7+ Kxf7 7. Nxe5+ Kf6 8. Qd4 c5 9. Nxd7+ Ke7 10. Qe5+ Kxd7 11. 0-0 Qf6 12. Rd1+ Bd6 13. Bf4 Qxe5 14. Bxe5 Ke6 15. Bxd6 b6 16. Nc3 Nf6 17. Bg3 Bb7 18. Re1 Rad8 19. f3 Rd2 20. Rac1 h5 21. Bf4 Rd7 22. Rcd1 Rhd8 23. Rxd7 Rxd7 24. Rd1 Rf7 25. Bg3 g5 26. Nb5 h4 27. Nc7+ Ke7 28. Bd6+ Kd8 29. Ne6+ Kd7 30. Nxg5 1-0

[Event "Chigorin Memorial 29th"]
[Site "St Petersburg"]
[Date "2022.10.22"]
[Round "1"]
[White "Pridorozhni, Aleksei"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2529"]
[BlackElo "1861"]
[PlyCount "77"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. h4 d5 4. exd5 Qxd5 5. Nf3 Bg4 6. Be2 Nc6 7. c4 Qa5+ 8. Nc3 0-0-0 9. d5 Bxf3 10. Bxf3 Ne5 11. 0-0 Nxc4 12. Re1 Bxc3 13. bxc3 Qc5 14. Rb1 Nf6 15. d6 Nxd6 16. Qa4 Nd5 17. Ba3 Qc6 18. Qxa7 Nb5 19. Qa5 Nxa3 20. Qxa3 Qa6 21. Qb3 e6 22. a4 c6 23. a5 Nf4 24. Qa4 Nd3 25. Be2 Nc5 26. Qa3 Qa7 27. Rb6 Nd7 28. Rb2 Kc7 29. a6 b6 30. c4 e5 31. Qe7 Rde8 32. Qxf7 Rhf8 33. Qxh7 Kb8 34. Reb1 Rf6 35. Bg4 Rd6 36. Bxd7 Qxd7 37. Rxb6+ Ka8 38. Qxd7 Rxd7 39. Rxc6 1-0

[Event "Minsk op"]
[Site "Minsk"]
[Date "2022.08.11"]
[Round "9"]
[White "Lutsko, Igor"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2301"]
[BlackElo "1876"]
[PlyCount "90"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[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. f3 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. cxd5 a6 10. a4 Nbd7 11. Nh3 Rb8 12. Nf2 Re8 13. Be2 Qc7 14. 0-0 c4 15. Rac1 b5 16. axb5 axb5 17. b4 h5 18. Be3 Nf8 19. Ra1 Bd7 20. Ra5 Rb7 21. h3 N6h7 22. f4 f6 23. f5 h4 24. fxg6 Nxg6 25. Bh5 Nhf8 26. Ng4 Bxg4 27. Bxg4 Reb8 28. Bf5 Qe7 29. Ne2 Ne5 30. Ra6 Rc7 31. Bd4 Rd8 32. Bb6 c3 33. Qc2 Rc4 34. Ra7 Qe8 35. Bxd8 Qxd8 36. Rb7 Qa8 37. Rxb5 Qa6 38. Ra5 Qb6+ 39. Kh1 Qxb4 40. Ra8 Qb7 41. Rfa1 Qb6 42. Nxc3 Qe3 43. Rc8 Nd3 44. Rxc4 Nf2+ 45. Kg1 Qg3 1-0

[Event "Minsk op"]
[Site "Minsk"]
[Date "2022.08.09"]
[Round "7"]
[White "Navumenka, Mikhei"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2074"]
[BlackElo "1876"]
[PlyCount "79"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[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. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nc3 Nc6 7. 0-0 a6 8. Qd3 e5 9. d5 Nb4 10. Qd2 a5 11. e4 Na6 12. Qc2 Nc5 13. Ne1 Nh5 14. Nd3 Nxd3 15. Qxd3 f5 16. exf5 gxf5 17. Qe2 Nf6 18. c5 dxc5 19. Qxe5 Ne4 20. Qf4 Nxc3 21. bxc3 Bxc3 22. Rb1 Bd4 23. Re1 Rb8 24. Qh6 Bd7 25. Bf4 Bf6 26. d6 c6 27. Re2 Rf7 28. Rbe1 Rc8 29. Bf3 Rg7 30. Bh5 Bg5 31. Re8+ Bxe8 32. Bxg5 Qd7 33. Bf6 Bxh5 34. Bxg7 Re8 35. Be5 Bg6 36. h4 Re6 37. h5 Be8 38. Qg5+ Kf8 39. Qxf5+ Qf7 40. Bg7+ 1-0

[Event "Minsk op"]
[Site "Minsk"]
[Date "2022.08.05"]
[Round "3"]
[White "Sarbay, Alexander"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2083"]
[BlackElo "1876"]
[PlyCount "68"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. e5 Nd7 9. Re1 b5 10. Nf1 a5 11. h4 b4 12. Bf4 Ba6 13. N1h2 a4 14. a3 bxa3 15. bxa3 Rb8 16. h5 Nd4 17. Nxd4 cxd4 18. Qg4 Kh8 19. Nf3 Qb6 20. h6 g6 21. Bg5 Bc5 22. Qf4 Kg8 23. Bf6 Qa7 24. Ng5 Nb6 25. Bh3 Rfe8 26. Reb1 Rbc8 27. Rb2 Rc6 28. Kg2 Nc8 29. Bg7 Qd7 30. Nf3 Qa7 31. Nh2 Nb6 32. Nf3 Nc8 33. Rab1 Ne7 34. Bh8 Nc8 1-0

[Event "BLR-ch U18"]
[Site "Orsha"]
[Date "2022.02.18"]
[Round "9"]
[White "Galkin, Gleb"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2303"]
[BlackElo "1880"]
[PlyCount "83"]
[EventDate "2022.02.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. 0-0 c6 10. Bf4 Qc7 11. Ne2 Bg4 12. Bxd6 Qxd6 13. Nd2 Bxe2 14. Qxe2 0-0 15. Rfc1 Rfe8 16. Nb3 a5 17. Qc2 Ng4 18. g3 Qh6 19. h4 Ndf6 20. Bf5 g5 21. Bxg4 Nxg4 22. Qf5 Qh5 23. Qxg5+ Qxg5 24. hxg5 Kg7 25. Nd2 Re6 26. Nf3 f6 27. Kg2 Rf8 28. Rf1 Kg6 29. gxf6 Rfxf6 30. Nh2 h5 31. Nxg4 hxg4 32. Rh1 Kf5 33. Rh7 b6 34. Rb7 b5 35. a4 bxa4 36. Rxa4 Re8 37. Rxa5 Ref8 38. b4 Kg5 39. Ra2 Rh8 40. Rg7+ Kf5 41. Raa7 Rhf8 42. Rae7 1-0

[Event "BLR-ch U18"]
[Site "Orsha"]
[Date "2022.02.14"]
[Round "5"]
[White "Piatrenka, Ivan"]
[Black "Siniauski, Artsiom"]
[Result "0-1"]
[ECO "E53"]
[WhiteElo "1880"]
[BlackElo "2285"]
[PlyCount "64"]
[EventDate "2022.02.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Ba2 b5 11. 0-0 Bb7 12. Nd2 Nc6 13. Qe2 a6 14. dxc5 Ne5 15. c4 Neg4 16. f4 Qxc5 17. Re1 bxc4 18. h3 Nh6 19. Nxc4 Nd5 20. Qf2 Nc3 21. Bb3 Ne4 22. Qc2 Rfc8 23. Bb2 Nf5 24. Rac1 Qa7 25. Qe2 Bd5 26. Ba1 Rc6 27. g4 Nh4 28. Na5 Rxc1 29. Rxc1 Ng3 30. Qd3 Be4 31. Bd4 Bxd3 32. Bxa7 Ne2+ 0-1

[Event "BLR-ch U18"]
[Site "Orsha"]
[Date "2022.02.13"]
[Round "4"]
[White "Klachkou, Platon"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2007"]
[BlackElo "1880"]
[PlyCount "117"]
[EventDate "2022.02.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 Nf6 5. d4 0-0 6. Nf3 Nc6 7. 0-0 a6 8. Qd3 Bd7 9. d5 Nb4 10. Qd2 a5 11. Nd4 Qc8 12. Rd1 c6 13. a3 Na6 14. dxc6 bxc6 15. Rb1 Rb8 16. e4 Qc7 17. Nc2 Ng4 18. h3 Ne5 19. Qe2 Be6 20. Ne3 Nxc4 21. Nxc4 Bxc3 22. Bf4 Bg7 23. Nxd6 exd6 24. Qxa6 Rfd8 25. Rbc1 Rbc8 26. Rd2 Rd7 27. b4 axb4 28. axb4 Be5 29. Be3 Qb8 30. f4 Bg7 31. Rxc6 Rxc6 32. Qxc6 Qxb4 33. f5 gxf5 34. Qa8+ Bf8 35. Kh2 Rc7 36. exf5 Bxf5 37. Rf2 Rc8 38. Qa2 Bg6 39. Bd5 Rc7 40. h4 Qc3 41. Bb6 Re7 42. Bd8 Rd7 43. Bf6 Qc5 44. Qd2 Rc7 45. Kh3 Qc1 46. Qe2 Rc5 47. Bg5 Qc3 48. Qa2 Rc7 49. Bd8 Rd7 50. Bf6 Qc8 51. g4 h5 52. Kg3 Bg7 53. gxh5 Bxh5 54. Qd2 Ra7 55. Qg5 Ra3+ 56. Bf3 Qg4+ 57. Qxg4 Bxg4 58. Kxg4 Bxf6 59. h5 1/2-1/2

[Event "BLR-ch U18"]
[Site "Orsha"]
[Date "2022.02.12"]
[Round "3"]
[White "Piatrenka, Ivan"]
[Black "Starodubets, Tsimofej"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1880"]
[BlackElo "1539"]
[PlyCount "63"]
[EventDate "2022.02.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nf6 5. d3 0-0 6. Nc3 Nc6 7. e4 dxe4 8. dxe4 e5 9. Bg5 h6 10. Qxd8 Rxd8 11. Bxf6 Bxf6 12. Nd5 Bg7 13. Nxc7 Rb8 14. Rfd1 Bg4 15. c3 Ne7 16. h3 Bxf3 17. Bxf3 Rbc8 18. Rxd8+ Rxd8 19. Rd1 Rxd1+ 20. Bxd1 a6 21. Bb3 h5 22. Bd5 Nxd5 23. Nxd5 Kf8 24. Kf1 Ke8 25. Ke2 Kd7 26. Kd3 Kd6 27. b4 b5 28. c4 bxc4+ 29. Kxc4 f5 30. f3 fxe4 31. fxe4 g5 32. g4 1-0

[Event "Orsha op-A 20th"]
[Site "Orsha"]
[Date "2022.02.05"]
[Round "6"]
[White "Runets, Ivan"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2209"]
[BlackElo "1880"]
[PlyCount "65"]
[EventDate "2022.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Bd6 8. Be2 Nbd7 9. 0-0 c6 10. Qc2 0-0 11. a3 Bg4 12. e4 dxe4 13. Nxe4 Be7 14. Ng3 h6 15. Bd2 Re8 16. h3 Be6 17. Rfe1 Nd5 18. Rad1 Rc8 19. b4 Qc7 20. Bc4 Bf8 21. Ba2 b6 22. Bb1 g6 23. Qd3 c5 24. dxc5 bxc5 25. Rxe6 Rxe6 26. Qxd5 c4 27. Rc1 Nb6 28. Qa5 Qd7 29. Ba2 Rd6 30. Ne4 Re6 31. Nc5 Bxc5 32. bxc5 Na4 33. Rxc4 1-0

[Event "BLR-ch 1st League"]
[Site "Minsk"]
[Date "2021.12.17"]
[Round "9"]
[White "Katashuk, V."]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2124"]
[BlackElo "1786"]
[PlyCount "65"]
[EventDate "2021.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b4 cxb4 4. d4 Nf6 5. Bd3 d5 6. e5 Ne4 7. 0-0 Be7 8. a3 Nc3 9. Nxc3 bxc3 10. Qe1 0-0 11. Qxc3 b6 12. a4 Ba6 13. Bb5 Qc8 14. Qd3 Bb7 15. Qe2 Nc6 16. Ba3 Qd7 17. h4 h6 18. Rfd1 Rfc8 19. g4 a6 20. Bd3 Bxa3 21. Rxa3 Nb4 22. g5 Nxd3 23. Qxd3 Rc4 24. gxh6 gxh6 25. Kh2 Kh8 26. Rg1 Qe7 27. Qe3 Kh7 28. Rb3 Rc6 29. Qf4 Rac8 30. Ng5+ hxg5 31. Rxg5 Rc3 32. Rh5+ Kg8 33. Qg4+ 1-0

[Event "BLR-ch 1st League"]
[Site "Minsk"]
[Date "2021.12.16"]
[Round "8"]
[White "Piatrenka, Ivan"]
[Black "Siniauski, Artsiom"]
[Result "0-1"]
[ECO "E49"]
[WhiteElo "1786"]
[BlackElo "2301"]
[PlyCount "90"]
[EventDate "2021.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 Nc6 10. 0-0 Bg4 11. f3 Bh5 12. Nf4 Bg6 13. Nxg6 hxg6 14. a4 Re8 15. Re1 Qa5 16. Bd2 Qc7 17. Kh1 Rac8 18. Rb1 Re7 19. Re2 Rce8 20. Qf1 a6 21. g4 Qd6 22. Bc1 Nd8 23. Qf2 c4 24. Bc2 g5 25. Ra1 Qc7 26. Ba3 Re6 27. Rae1 g6 28. Qg2 b5 29. e4 Nc6 30. e5 b4 31. Bc1 Nh7 32. h4 bxc3 33. Be3 Nxe5 34. dxe5 Qxe5 35. Bc5 Qxe2 36. Rxe2 Rxe2 37. Qg3 Rxc2 38. h5 Rc1+ 39. Kg2 Re2+ 40. Bf2 Rcc2 41. Qb8+ Nf8 42. hxg6 Rxf2+ 43. Kg1 fxg6 44. Qd6 Rcd2 45. Qxa6 c2 0-1

[Event "BLR-ch 1st League"]
[Site "Minsk"]
[Date "2021.12.15"]
[Round "7"]
[White "Volianuk, Vitaly"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2267"]
[BlackElo "1786"]
[PlyCount "110"]
[EventDate "2021.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bc4 Nf6 5. Qe2 c6 6. Bb3 e5 7. dxe5 dxe5 8. Nbd2 Qc7 9. a4 Bg4 10. a5 0-0 11. 0-0 Nbd7 12. c3 b5 13. axb6 axb6 14. Rxa8 Rxa8 15. h3 Bxf3 16. Qxf3 Bh6 17. Nc4 Bxc1 18. Rxc1 b5 19. Ne3 Kg7 20. Ng4 h5 21. Nxf6 Nxf6 22. c4 bxc4 23. Bxc4 Qb6 24. Qc3 Nxe4 25. Qxe5+ Nf6 26. Qc3 Rb8 27. b3 Re8 28. Qa1 Rd8 29. Qe5 Rd2 30. Qf4 Qd8 31. Qf3 Qd4 32. Re1 Ra2 33. g3 Ra1 34. Rxa1 Qxa1+ 35. Kg2 Qa8 36. Qc3 Qe8 37. Qd4 Qe7 38. Kf1 Kg8 39. Qf4 Kg7 40. Qd4 Kg8 41. Be2 Qe6 42. Bf3 Qxh3+ 43. Bg2 Qe6 44. Qb6 c5 45. Qxe6 fxe6 46. Ke2 Kf7 47. Kd3 Ke7 48. Bf3 Kd6 49. Kc4 g5 50. b4 cxb4 51. Kxb4 Ke5 52. Be2 h4 53. gxh4 gxh4 54. Bf1 Ne4 55. f3 Nf2 0-1

[Event "BLR-ch 1st League"]
[Site "Minsk"]
[Date "2021.12.12"]
[Round "4"]
[White "Vashchilov, Sergey"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2121"]
[BlackElo "1786"]
[PlyCount "95"]
[EventDate "2021.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. d4 cxd4 6. Nxd4 Qf6 7. c3 Bc5 8. Be2 Nge7 9. 0-0 0-0 10. b4 Ba7 11. Qd2 Qg6 12. Re1 d5 13. exd5 Nxd4 14. cxd4 Nxd5 15. Nc3 Rd8 16. Nxd5 exd5 17. Bf3 Be6 18. Rac1 Rac8 19. b5 Qf6 20. Be2 axb5 21. Bxb5 Qe7 22. Bc3 Bb8 23. Ba5 Rxc1 24. Rxc1 Rc8 25. Rxc8+ Bxc8 26. Bd3 Bc7 27. Bxh7+ Kxh7 28. Qc2+ Qe4 29. Qxe4+ dxe4 30. Bxc7 Be6 31. a4 Kg6 32. Kf1 Bb3 33. a5 Bc4+ 34. Ke1 Kf5 35. h3 Ke6 36. Bb6 Kd5 37. h4 f5 38. g3 f4 39. gxf4 Bb5 40. Kd2 Bd7 41. Ke3 Bg4 42. f5 Bxf5 43. Kf4 Bg6 44. Kg5 Be8 45. h5 e3 46. fxe3 Ke4 47. Bc7 Kxe3 48. Be5 1-0

[Event "BLR-ch 1st League"]
[Site "Minsk"]
[Date "2021.12.10"]
[Round "2"]
[White "Leinov, Roman"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2194"]
[BlackElo "1786"]
[PlyCount "34"]
[EventDate "2021.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d6 4. Nf3 Nf6 5. g3 Nc6 6. Bg2 Rb8 7. 0-0 b5 8. d3 b4 9. Ne2 g6 10. h3 e5 11. Be3 exf4 12. Bxf4 Bg7 13. Qd2 0-0 14. Bh6 Re8 15. Bxg7 Kxg7 16. Nf4 Ne5 17. Qf2 Bb7 1/2-1/2

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.31"]
[Round "9"]
[White "Sultan, Ibrahim"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "E84"]
[WhiteElo "2098"]
[BlackElo "1837"]
[PlyCount "94"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Nc1 e5 10. d5 Nd4 11. Nb3 Nxb3 12. axb3 Nh5 13. Bd3 f5 14. 0-0-0 f4 15. Bf2 Rf7 16. b4 Bf8 17. Kb1 b6 18. b3 Nf6 19. b5 a5 20. b4 axb4 21. Na2 Nd7 22. Nxb4 Bb7 23. Kb2 Ra8 24. Ra1 Nc5 25. Bc2 Be7 26. Rxa8 Bxa8 27. Ra1 Rf8 28. Ra7 Qb8 29. Ra3 Qc8 30. Ra7 Qb8 31. Ra1 Qc8 32. Qe2 Kh8 33. Ra7 Qb8 34. Ra3 Qc8 35. Kb1 Bb7 36. Bd1 Qd7 37. Ra7 Ra8 38. Rxa8+ Bxa8 39. Qa2 Qc8 40. g4 Bb7 41. Qa7 Qa8 42. Qxa8+ Bxa8 43. Bxc5 dxc5 44. Na6 Bd6 45. g5 Bb7 46. Be2 Bc8 47. Bf1 Kg7 1/2-1/2

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.30"]
[Round "8"]
[White "Piatrenka, Ivan"]
[Black "Ismailov, Artem Dm"]
[Result "1-0"]
[ECO "A77"]
[WhiteElo "1837"]
[BlackElo "1173"]
[PlyCount "87"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 e6 5. e4 exd5 6. cxd5 g6 7. Nf3 Bg7 8. Be2 0-0 9. Nd2 Re8 10. 0-0 a6 11. a4 Nfd7 12. Qc2 Ne5 13. h3 Qh4 14. f4 Bxh3 15. fxe5 Rxe5 16. Nf3 Qg3 17. Bd1 Rh5 18. Qf2 Qg4 19. Nh2 Qxg2+ 20. Qxg2 Bxg2 21. Kxg2 Re5 22. Bf4 Re8 23. Bxd6 Bxc3 24. bxc3 Rxe4 25. Bxc5 Nd7 26. Bd4 Rd8 27. Bf3 Rh4 28. Kg3 g5 29. Rab1 b5 30. axb5 axb5 31. Rxb5 Ra8 32. Rb7 Nf8 33. Ng4 Ng6 34. Rfb1 Kf8 35. Rb8+ Rxb8 36. Rxb8+ Ke7 37. Rb7+ Kf8 38. Bf6 Kg8 39. Rb8+ Nf8 40. d6 h5 41. Rxf8+ Kxf8 42. d7 Rxg4+ 43. Bxg4 h4+ 44. Kh3 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.29"]
[Round "7"]
[White "Dodonov, Ivan"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1597"]
[BlackElo "1837"]
[PlyCount "90"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b3 d6 2. Bb2 e5 3. e3 Nc6 4. Bb5 a6 5. Bxc6+ bxc6 6. d3 Nf6 7. e4 g6 8. Nf3 Bg7 9. Nbd2 0-0 10. h3 Nh5 11. Nc4 Qe8 12. Qe2 f5 13. 0-0-0 fxe4 14. dxe4 Nf4 15. Qf1 Nxh3 16. gxh3 Rxf3 17. Nd2 Rf4 18. h4 Qf7 19. h5 Rxf2 20. Qd3 gxh5 21. Rdg1 Bg4 22. Kb1 Kh8 23. Bc3 Bf6 24. Qe3 Rf4 25. Nf1 Rf3 26. Qe1 Bg5 27. Bd2 Bxd2 28. Qxd2 a5 29. Ne3 Qf4 30. Re1 a4 31. Qc3 Qxe4 32. Nxg4 Rxc3 33. Rxe4 hxg4 34. Rxg4 Rf3 35. Rc4 c5 36. b4 Rb8 37. c3 Rf4 38. Rxf4 exf4 39. Rf1 cxb4 40. Rxf4 c5 41. a3 bxa3+ 42. Ka2 Rb2+ 43. Kxa3 Rb3+ 44. Kxa4 Rxc3 45. Kb5 Kg7 0-1

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.28"]
[Round "6"]
[White "Piatrenka, Ivan"]
[Black "Rakhmanov, Georgii"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1837"]
[BlackElo "1297"]
[PlyCount "88"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 0-0 9. Be2 Nc6 10. 0-0 cxd4 11. cxd4 Bg4 12. d5 Ne5 13. Nxe5 Bxe2 14. Qxe2 Bxe5 15. Rab1 b6 16. f4 Bg7 17. Rfd1 Rc8 18. Rd3 Qd7 19. Rbd1 Qa4 20. e5 Rfd8 21. h3 f6 22. d6 exd6 23. exd6 Qc4 24. Kf2 Qe6 25. R1d2 Rd7 26. Rd5 Rcd8 27. Qd3 Bf8 28. f5 gxf5 29. Bf4 Re8 30. Qxf5 Qxf5 31. Rxf5 Re6 32. Rfd5 Kf7 33. Kf3 Re1 34. Bg3 Rc1 35. Kg4 Rc4+ 36. Kf5 Rc6 37. Bf4 a6 38. Re2 Bxd6 39. Re6 Be7 40. Rxd7 Rxe6 41. Ra7 b5 42. g4 Rc6 43. h4 b4 44. g5 Rb6 1/2-1/2

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.27"]
[Round "5"]
[White "Deruchenko, Ivan"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "E83"]
[WhiteElo "1497"]
[BlackElo "1837"]
[PlyCount "151"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 e5 8. d5 Nd4 9. Nge2 c5 10. dxc6 bxc6 11. Nxd4 exd4 12. Bxd4 Re8 13. Be2 Qa5 14. Rd1 Be6 15. 0-0 Rab8 16. f4 c5 17. Bxf6 Bxf6 18. f5 Bc8 19. fxg6 Bd4+ 20. Kh1 hxg6 21. Qf4 Be6 22. Nd5 Bxd5 23. cxd5 Qc7 24. b3 Re5 25. Rf3 Rbe8 26. Bd3 Rh5 27. Rh3 Ree5 28. Rxh5 Rxh5 29. h3 Be5 30. Qg4 Qe7 31. Rf1 Kg7 32. Qc8 Rh4 33. Be2 Rf4 34. Rxf4 Bxf4 35. Qg4 Qxe4 36. Qf3 Qd4 37. g3 Be5 38. a4 Qa1+ 39. Kg2 Qb2 40. Kh1 Bc3 41. Bc4 Qd2 42. Qe2 Qc1+ 43. Kg2 Be5 44. Qf1 Qe3 45. Qf3 Qd2+ 46. Qe2 Qg5 47. Qf3 f5 48. h4 Qd2+ 49. Qe2 Qd4 50. Qd3 Qb2+ 51. Qe2 Qc3 52. Qf3 Qe1 53. Qf2 Qc1 54. Qf1 Qh6 55. Qf2 Qh5 56. Be2 Qh8 57. Bc4 Qf8 58. Qf3 Qf6 59. Bd3 Bd4 60. Kh3 Qe5 61. Qe2 Be3 62. Bc4 Kf6 63. Qf3 Qd4 64. g4 Ke5 65. gxf5 gxf5 66. Qg3+ Ke4 67. Qg2+ Ke5 68. Qg3+ Ke4 69. Qg2+ Ke5 70. Qg7+ Ke4 71. Qg2+ Kf4 72. Qg3+ Ke4 73. Qg2+ Ke5 74. Qg7+ Ke4 75. Qg2+ Kf4 76. Qg3+ 1/2-1/2

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.26"]
[Round "4"]
[White "Piatrenka, Ivan"]
[Black "Smirnov, Mark1111"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1837"]
[BlackElo "1449"]
[PlyCount "140"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 e5 6. e4 d6 7. Nge2 0-0 8. Be3 Ne8 9. g4 Bd7 10. a3 Ba5 11. Rb1 Na6 12. Ng3 Rb8 13. Bd2 Nec7 14. a4 Nb4 15. Be2 a6 16. Na2 Ncxd5 17. Nxb4 Nxb4 18. 0-0 Be6 19. Nf5 Nc6 20. Be3 Qb6 21. Qxd6 Nd4 22. Bxd4 Qxd6 23. Nxd6 exd4 24. Nf5 Rfe8 25. Bd3 Bd7 26. b3 g6 27. Ng3 b5 28. axb5 axb5 29. Ne2 bxc4 30. Bxc4 Bb5 31. Nf4 Bc3 32. Nd5 Red8 33. Rfd1 Bxc4 34. bxc4 Ba5 35. Ne7+ Kf8 36. Nc6 Ra8 37. Nxd8 Rxd8 38. Rb3 Bb4 39. Kf2 Ra8 40. Rdb1 Ra2+ 41. R1b2 Ra1 42. Rb1 Ra2+ 43. R1b2 Ra1 44. Rc2 g5 45. Rd3 Ke7 46. Kg3 Ke6 47. f4 f6 48. fxg5 fxg5 49. Re2 Rg1+ 50. Kf3 Ke5 51. Rf2 Re1 52. Re2 Rf1+ 53. Kg3 Rg1+ 54. Kf3 Rb1 55. Kg3 Rg1+ 56. Kf3 Rc1 57. Kg3 Rxc4 58. h4 Rc1 59. hxg5 c4 60. Rf3 Be1+ 61. Kg2 d3 62. Rf5+ Ke6 63. Rf6+ Ke7 64. Ra2 Rc2+ 65. Kf1 Rxa2 66. Kxe1 c3 67. Rh6 Ra1+ 68. Kf2 d2 69. Rxh7+ Ke6 70. Rh6+ Ke5 0-1

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.25"]
[Round "3"]
[White "Sinitsina, Anastassia"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2115"]
[BlackElo "1837"]
[PlyCount "77"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 0-0 6. Bg2 Nc6 7. 0-0 a6 8. c4 Bd7 9. Nbd2 b5 10. Qc1 Rb8 11. Re1 bxc4 12. Nxc4 a5 13. Nfd2 a4 14. bxa4 Nb4 15. a3 Na6 16. a5 c5 17. Nb6 cxd4 18. Bxd4 Be6 19. Qc6 Ng4 20. Bxg7 Kxg7 21. Qc3+ Kg8 22. Ne4 Ne5 23. Red1 f6 24. Rac1 Nd7 25. Nxd6 Nxb6 26. Nb7 Qe8 27. axb6 Qb5 28. Qe3 Kf7 29. Rb1 Qa4 30. Rdc1 Rfc8 31. Nc5 Nxc5 32. Rxc5 Rd8 33. Rcc1 Rd6 34. b7 Kg7 35. h4 Kf7 36. Kh2 Ra6 37. Rc3 Rd6 38. Rc7 Qa6 39. Qh6 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.24"]
[Round "2"]
[White "Piatrenka, Ivan"]
[Black "Gulaia, Maria"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1837"]
[BlackElo "1351"]
[PlyCount "81"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 c5 5. d3 Be7 6. Nbd2 0-0 7. e4 Nc6 8. e5 Nd7 9. Re1 Qc7 10. Qe2 b6 11. Nf1 Ba6 12. Bf4 Qc8 13. c3 b5 14. h4 Rb8 15. h5 b4 16. Ne3 Qb7 17. c4 dxc4 18. dxc4 Qc7 19. Rad1 b3 20. a3 Rfd8 21. Nf5 Nb6 22. Nxe7+ Nxe7 23. Qe4 Bxc4 24. Ng5 g6 25. hxg6 Nxg6 26. Qf3 Kg7 27. Qh5 Rh8 28. Bc1 Nd5 29. Qh6+ Kg8 30. Ne4 Qxe5 31. Nd2 Be2 32. Nf3 Bxf3 33. Rxe5 Bxd1 34. Rxd5 exd5 35. Bg5 Rb6 36. Bxd5 Be2 37. Qh3 Rd6 38. Qf5 Rxd5 39. Qxd5 Kg7 40. Qd6 h6 41. Bf6+ 1-0

[Event "Chigorin Memorial 28th"]
[Site "St Petersburg"]
[Date "2021.10.23"]
[Round "1"]
[White "Khripachenko, Alexander"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2282"]
[BlackElo "1837"]
[PlyCount "143"]
[EventDate "2021.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. Be3 0-0 8. Be2 d5 9. exd5 exd5 10. 0-0 Re8 11. Re1 Be6 12. Nxc6 bxc6 13. Na4 Nd7 14. Rc1 Qa5 15. c4 Nb6 16. cxd5 Nxd5 17. Bd2 Qc7 18. Qc2 Nf4 19. Bf3 Rac8 20. Be4 h6 21. Be3 Nd5 22. Bc5 Bf6 23. g3 Rb8 24. f4 Bg4 25. Bf2 Red8 26. Kg2 Ne7 27. b4 a5 28. Nc5 Ra8 29. h3 Bc8 30. Red1 axb4 31. axb4 Rb8 32. Qb1 Kf8 33. Qb3 Kg8 34. Qc4 Rxd1 35. Rxd1 Nd5 36. Rxd5 cxd5 37. Bxd5 Kf8 38. Ne6+ Bxe6 39. Qxc7 Bxd5+ 40. Kh2 Rd8 41. Bd4 Be4 42. Bxf6 Rd2+ 43. Kg1 gxf6 44. g4 Rg2+ 45. Kf1 Rg3 46. h4 Kg7 47. g5 hxg5 48. hxg5 Bf5 49. Kf2 Rb3 50. Qc4 Rb2+ 51. Ke3 Be6 52. Qd4 Rb3+ 53. Kd2 Kg8 54. Qd8+ Kh7 55. Qxf6 Rxb4 56. g6+ Kg8 57. f5 Ba2 58. Kc3 Rg4 59. Qd8+ Kg7 60. Qa5 fxg6 61. Qxa2 gxf5 62. Qe6 Rg5 63. Kd3 Rh5 64. Ke3 Rh6 65. Qxf5 Rf6 66. Qg5+ Kf7 67. Ke4 Ra6 68. Qd8 Re6+ 69. Kf5 Re1 70. Qd7+ Re7 71. Qc6 Ra7 72. Qe6+ 1-0

[Event "Orsha op"]
[Site "Orsha"]
[Date "2021.04.07"]
[Round "4"]
[White "Piatrenka, Ivan"]
[Black "Vashchilov, Sergey"]
[Result "1/2-1/2"]
[ECO "E43"]
[WhiteElo "1752"]
[BlackElo "2172"]
[PlyCount "74"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 0-0 7. 0-0 d6 8. Qc2 c5 9. a3 Bxc3 10. Qxc3 Ne4 11. Qc2 f5 12. Nd2 Nf6 13. b4 Nbd7 14. Bb2 Qe8 15. d5 g6 16. dxe6 Qxe6 17. Rfe1 Ne5 18. Be2 Rf7 19. bxc5 bxc5 20. h3 Bc6 21. f4 Ned7 22. Bf3 Bxf3 23. Nxf3 h6 24. Rac1 Kh7 25. Ba1 Rb8 26. Kh2 Ne4 27. Nd2 Ndf6 28. Nxe4 Nxe4 29. Rb1 Rfb7 30. Rxb7+ Rxb7 31. Rb1 Qe7 32. Rxb7 Qxb7 33. Qa4 Qe7 34. Qc6 g5 35. Qc8 Kg6 36. Qg8+ Kh5 37. Qc8 Kg6 1/2-1/2

[Event "Orsha op"]
[Site "Orsha"]
[Date "2021.04.06"]
[Round "2"]
[White "Piatrenka, Ivan"]
[Black "Barseghyan, Armen Ar"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "1752"]
[BlackElo "2358"]
[PlyCount "78"]
[EventDate "2021.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. Ng3 Nbd7 8. b4 a5 9. b5 c5 10. dxc5 Nxc5 11. Bb2 a4 12. Be2 dxc4 13. Bxc4 Qxd1+ 14. Rxd1 b6 15. 0-0 Bb7 16. Nge2 Rfc8 17. Ba2 Kf8 18. Rd4 Nfd7 19. h3 Ke8 20. Rd2 Nb3 21. Rdd1 Ndc5 22. Bb1 g6 23. Nc1 Nxc1 24. Rxc1 Nb3 25. Rcd1 Bxa3 26. Bxa3 Rxc3 27. Bb2 Rcc8 28. Bf6 a3 29. Ba2 Nc5 30. Rd6 Nd7 31. Bh4 h6 32. Rfd1 Bd5 33. Rxd7 Kxd7 34. e4 Rc2 35. Bb3 Rb2 36. Bc4 a2 37. exd5 Rb1 38. dxe6+ Ke8 39. exf7+ Kf8 0-1

[Event "BLR-ch U18"]
[Site "Minsk"]
[Date "2021.02.07"]
[Round "4"]
[White "Mukhin, Vladislav"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1910"]
[BlackElo "1665"]
[PlyCount "62"]
[EventDate "2021.02.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. Nf3 dxe4 6. Nxe4 Nd7 7. Bd3 Ngf6 8. 0-0 Nxe4 9. Bxe4 Nf6 10. Bd3 0-0 11. c3 Bf5 12. Bxf5 gxf5 13. Qd3 e6 14. Be3 Qc7 15. Rae1 Nd5 16. Qd2 Kh8 17. Kh1 Rg8 18. Ne5 Nxe3 19. Rxe3 Bxe5 20. fxe5 Rg6 21. Rf4 Rag8 22. g3 Qe7 23. c4 Qg5 24. Ref3 Qh5 25. Qf2 Rg4 26. b3 Rxf4 27. Rxf4 Qd1+ 28. Qf1 Qd2 29. g4 Qe3 30. gxf5 Rg1+ 31. Qxg1 Qxf4 1/2-1/2

[Event "BLR-ch U18"]
[Site "Minsk"]
[Date "2021.02.04"]
[Round "1"]
[White "Piatrenka, Ivan"]
[Black "Runets, Ivan"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1665"]
[BlackElo "2262"]
[PlyCount "147"]
[EventDate "2021.02.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 0-0 8. Qc2 Nbd7 9. Nge2 Re8 10. 0-0 Nf8 11. Rae1 Be6 12. f3 Ng6 13. h3 Rc8 14. e4 dxe4 15. fxe4 Nh5 16. Bxe7 Qxe7 17. Qd2 c5 18. d5 Bd7 19. g4 Nf6 20. Ng3 Qe5 21. Qf2 Qg5 22. Bb5 Ne5 23. Bxd7 Nfxd7 24. Nb5 Rf8 25. Qe3 Qxe3+ 26. Rxe3 a6 27. Nd6 Rb8 28. Kg2 b5 29. Ngf5 g6 30. Ne7+ Kg7 31. Ra3 Ra8 32. g5 c4 33. h4 h6 34. gxh6+ Kxh6 35. Rg3 Nc5 36. h5 Rad8 37. hxg6 fxg6 38. Ndf5+ Rxf5 39. Nxf5+ Kh7 40. Rh1+ Kg8 41. Ne7+ Kg7 42. Rh5 Ncd3 43. Rhg5 Kf7 44. Nc6 Nxc6 45. dxc6 Rc8 46. Rxd3 cxd3 47. Rd5 Rxc6 48. Rxd3 Rc2+ 49. Kf3 Ke6 50. Ra3 Rc6 51. Kf4 g5+ 52. Kxg5 Ke5 53. Kg4 Kxe4 54. Kg3 Kd4 55. Kf3 Re6 56. Rc3 a5 57. Rc8 a4 58. Kf2 Re5 59. Rd8+ Kc4 60. Rc8+ Kd3 61. Rc3+ Kd4 62. Kf3 Rh5 63. Rc2 Re5 64. Rc3 Re1 65. Rc8 Rb1 66. Rd8+ Kc4 67. Rd2 b4 68. Ke3 Ra1 69. Rc2+ Kb5 70. b3 Rb1 71. Kd2 Rh1 72. Kd3 Rh3+ 73. Kd2 Rh2+ 74. Kd3 1/2-1/2

[Event "Minsk ODM Team Cup U16"]
[Site "Minsk"]
[Date "2021.??.??"]
[Round "6.3"]
[White "Kuzmenka, Mikita"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1351"]
[PlyCount "72"]
[EventDate "2021.03.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Gomelsk Region"]
[BlackTeam "Mogilevsk Region"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "BLR"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. e5 f6 6. f4 Nh6 7. Be2 0-0 8. Nf3 Bg4 9. 0-0 e6 10. Qd2 Nd7 11. Rae1 Nf5 12. exf6 Nxf6 13. Ng5 Qd7 14. Bf2 Rae8 15. h3 Bxe2 16. Rxe2 Re7 17. Rfe1 Rfe8 18. Nf3 Nd6 19. Ne5 Qc7 20. Bh4 c5 21. dxc5 Qxc5+ 22. Kh2 a6 23. a4 Nf5 24. Bf2 Qc7 25. g4 Nd6 26. Bg3 Nd7 27. f5 Nxe5 28. Bxe5 Bxe5+ 29. Rxe5 Nc4 30. Nxd5 exd5 31. Qxd5+ Kh8 32. f6 Rxe5 33. Kg2 Rxe1 34. f7 R1e2+ 35. Kf1 Qf4+ 36. Kg1 Re1+ 0-1

[Event "Minsk ODM Team Cup U16"]
[Site "Minsk"]
[Date "2021.??.??"]
[Round "1.3"]
[White "Navumenka, Mikhei"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2052"]
[PlyCount "52"]
[EventDate "2021.03.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vitebsk Region"]
[BlackTeam "Mogilevsk Region"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "BLR"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. Nf3 Nf6 5. Bd3 0-0 6. 0-0 Nbd7 7. Nbd2 e5 8. Re1 Re8 9. Bc4 c6 10. dxe5 Nxe5 11. Bb3 Nd3 12. Re3 Nxc1 13. Rxc1 d5 14. exd5 Rxe3 15. fxe3 Nxd5 16. Qe2 Qe7 17. Bxd5 cxd5 18. Nb3 Bf5 19. Nbd4 Be4 20. Re1 Re8 21. Qf2 Bh6 22. Qh4 Qxh4 23. Nxh4 Bg5 24. g3 Bxh4 25. gxh4 Kg7 26. Kf2 h6 1/2-1/2

[Event "Minsk ODM Team Cup U16"]
[Site "Minsk"]
[Date "2021.??.??"]
[Round "2.3"]
[White "Piatrenka, Ivan"]
[Black "Galkin, Gleb"]
[Result "0-1"]
[ECO "E97"]
[BlackElo "2225"]
[PlyCount "86"]
[EventDate "2021.03.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Mogilevsk Region"]
[BlackTeam "Minsk"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "BLR"]

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. Nd2 a5 10. Rb1 Nd7 11. a3 f5 12. b4 Kh8 13. f3 f4 14. Nb5 Rf6 15. c5 dxc5 16. Nc4 cxb4 17. axb4 axb4 18. d6 cxd6 19. Ncxd6 Nc6 20. Bc4 Qf8 21. Nxc8 Rxc8 22. Kh1 Nb6 23. Be2 Qc5 24. Bb2 Rd8 25. Qe1 Qc2 26. Ba1 Rf7 27. Qf2 Na4 28. Rfc1 Qa2 29. Qf1 Nb6 30. Rb2 Qe6 31. Qf2 Na4 32. Rbb1 Rfd7 33. Bc4 Qf6 34. Bb3 Nc3 35. Nxc3 bxc3 36. Bxc3 Nd4 37. Bd5 Nf5 38. Bxb7 Ne3 39. Ba5 Rb8 40. Bc7 Rf8 41. Rc5 Qe7 42. Rbc1 Rf7 43. Qa2 Qxc5 0-1

[Event "Minsk ODM Team Cup U16"]
[Site "Minsk"]
[Date "2021.??.??"]
[Round "7.3"]
[White "Piatrenka, Ivan"]
[Black "Kaniusheuski, Raman"]
[Result "1-0"]
[ECO "D36"]
[BlackElo "1622"]
[PlyCount "111"]
[EventDate "2021.03.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Mogilevsk Region"]
[BlackTeam "Grodnensk Region"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "BLR"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Be7 8. Qc2 h6 9. Bh4 0-0 10. Nge2 Ne8 11. Bg3 Ndf6 12. f3 Bd6 13. 0-0 Bxg3 14. Nxg3 h5 15. Qf2 Nd6 16. h3 h4 17. Nge2 Bf5 18. Bxf5 Nxf5 19. Rfe1 Nh5 20. e4 dxe4 21. fxe4 Nfg3 22. Nxg3 Nxg3 23. Rad1 f5 24. e5 Qg5 25. Qe3 f4 26. Qf3 Rad8 27. Ne4 Nxe4 28. Rxe4 Qf5 29. Rde1 Rde8 30. Kf2 Re6 31. Qg4 Qxg4 32. hxg4 g5 33. Kf3 Rd8 34. Rd1 Rd5 35. Re2 Kf7 36. Ke4 Kg6 37. Rc1 b6 38. Rec2 Rb5 39. Rxc6 Rxc6 40. Rxc6+ Kf7 41. Rc7+ Ke8 42. b3 a5 43. Rc3 a4 44. d5 axb3 45. axb3 Kd7 46. e6+ Kd6 47. Rc6+ Ke7 48. Rc3 Kd6 49. Rc6+ Ke7 50. Ke5 h3 51. gxh3 f3 52. Rc7+ Kd8 53. Rf7 Rxb3 54. Kd6 Ke8 55. Rh7 Kf8 56. e7+ 1-0

[Event "Minsk ODM Team Cup U16"]
[Site "Minsk"]
[Date "2021.??.??"]
[Round "5.3"]
[White "Piatrenka, Ivan"]
[Black "Yamelyanau, Zahar"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "57"]
[EventDate "2021.03.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Mogilevsk Region"]
[BlackTeam "Minsk Region"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "BLR"]

1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 c6 6. Nf3 Qc7 7. 0-0 Be7 8. d4 Nxc3 9. bxc3 Nd7 10. Qc2 0-0 11. e4 b6 12. a4 a5 13. Be3 Bd6 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. f4 Bd6 17. e5 Be7 18. Qe4 Bd7 19. f5 Rfe8 20. Rae1 b5 21. Qg4 Bf8 22. e6 fxe6 23. f6 Kh8 24. f7 Reb8 25. Be4 Qe5 26. Bd4 Bc5 27. Bxh7 Bxd4+ 28. cxd4 Qc7 29. Bg6 1-0

[Event "Minsk ODM Team Cup U16"]
[Site "Minsk"]
[Date "2021.??.??"]
[Round "3.3"]
[White "Tarasenka, Aliaksandra"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1990"]
[PlyCount "155"]
[EventDate "2021.03.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brest Region"]
[BlackTeam "Mogilevsk Region"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "BLR"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. a4 0-0 7. Be3 Qc7 8. Be2 e5 9. 0-0 exd4 10. Bxd4 Re8 11. Bd3 Nbd7 12. Re1 Ne5 13. Nxe5 dxe5 14. Be3 Nh5 15. a5 Nf4 16. Bf1 Ne6 17. Na4 Rd8 18. Qb1 Nd4 19. b4 f5 20. c3 f4 21. Bc1 Ne6 22. Bc4 Kh8 23. Qb3 Qe7 24. f3 Ng5 25. Rd1 Bxh3 26. Be2 h5 27. Nc5 b6 28. Nd3 Be6 29. Qc2 Nf7 30. Bd2 g5 31. Nf2 Nh6 32. Be1 g4 33. axb6 axb6 34. Rxa8 Rxa8 35. Qd3 g3 36. Nh3 Qh4 37. Bf1 Nf7 38. Qe2 Bf6 39. c4 Rg8 40. Rd2 Be7 41. Ra2 Ng5 42. Ra7 b5 43. cxb5 cxb5 44. Qxb5 Bf6 45. Qe2 Bxh3 46. gxh3 Nxh3+ 47. Bxh3 Qxh3 48. Qg2 Qe6 49. Qa2 Qb6+ 50. Kg2 Rc8 51. Rf7 h4 52. Qd5 Rc2+ 53. Kh3 Qd8 54. Qxd8+ Bxd8 55. Rf8+ Kg7 56. Rxd8 Re2 57. Bc3 Rh2+ 58. Kg4 Kf6 59. Rd6+ Ke7 60. Rg6 h3 61. Bxe5 g2 62. Kxf4 Rh1 63. Bd4 Rd1 64. Bc5+ Kf7 65. Rh6 Rc1 66. Rxh3 Rxc5 67. Rg3 Rc2 68. b5 Rb2 69. b6 Kf6 70. b7 Rxb7 71. Rxg2 Rb4 72. Ra2 Rc4 73. Ra6+ Kg7 74. Kf5 Rc3 75. Ra7+ Kf8 76. f4 Rc6 77. e5 Ke8 78. e6 1-0

[Event "BLR-ch U18"]
[Site "Minsk"]
[Date "2020.02.07"]
[Round "1"]
[White "Piatrenka, Ivan"]
[Black "Siniauski, Artsiom"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "1650"]
[BlackElo "2265"]
[PlyCount "66"]
[EventDate "2020.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BLR"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 Bxc3+ 7. bxc3 0-0 8. Ne2 d6 9. 0-0 Nbd7 10. Ng3 e5 11. e4 Re8 12. Kh1 Nf8 13. Nf5 Bc8 14. Ne3 Ne6 15. Bc2 h5 16. Ba4 Bd7 17. Bxd7 Qxd7 18. Nd5 Qd8 19. Be3 c6 20. Nxf6+ Qxf6 21. d5 cxd5 22. cxd5 Nf8 23. Qd2 Qg6 24. a4 f5 25. exf5 Qxf5 26. a5 Nd7 27. axb6 axb6 28. Qf2 Qd3 29. Bxb6 Rxa1 30. Rxa1 Qxc3 31. Ra7 Nxb6 32. Qxb6 e4 33. Rc7 exf3 0-1

[Event "EU-chT U12"]
[Site "Pardubice"]
[Date "2019.07.17"]
[Round "7.4"]
[White "Mohapl, Tomas"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1585"]
[BlackElo "1498"]
[PlyCount "113"]
[EventDate "2019.07.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic U12 III"]
[BlackTeam "Belarus U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "BLR"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 c6 5. Bc4 Nf6 6. f3 0-0 7. a4 e5 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Nge2 Be6 11. Bxe6 fxe6 12. Ng3 Na6 13. Na2 Bf8 14. Ke2 Bc5 15. Rad1 Bd4 16. b3 Rd7 17. Bg5 Rf7 18. c3 Bb6 19. b4 Rd8 20. Rxd8+ Bxd8 21. Rd1 Bc7 22. Nf1 Kg7 23. Ne3 h6 24. Bh4 Nh5 25. Bf2 Nf4+ 26. Kf1 Nb8 27. Nc4 a6 28. Bb6 Kf6 29. Nc1 Bxb6 30. Nxb6 Ke7 31. Nb3 Ke8 32. Nc5 a5 33. Nc8 Rc7 34. Nd6+ Ke7 35. Ndxb7 Na6 36. bxa5 Nh5 37. Nxa6 Rxb7 38. Nc5 Ra7 39. a6 Nf6 40. Rb1 Kd6 41. Rb7 Ra8 42. Rf7 Kxc5 43. Rxf6 Rxa6 44. Rxe6 Rxa4 45. Rxg6 Rc4 46. Rxh6 Rxc3 47. Ke1 Kd4 48. Kd2 Ra3 49. Rxc6 Ra1 50. Rd6+ Kc4 51. Rd5 Ra2+ 52. Ke3 Rxg2 53. Rxe5 Rxh2 54. Rd5 Rh4 55. Rd8 Kc5 56. e5 Rh5 57. Ke4 1-0

[Event "EU-chT U12"]
[Site "Pardubice"]
[Date "2019.07.16"]
[Round "6.4"]
[White "Piatrenka, Ivan"]
[Black "Thatte, Nishchal"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "1498"]
[BlackElo "1686"]
[PlyCount "153"]
[EventDate "2019.07.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Belarus U12"]
[BlackTeam "England U12"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "ENG"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 c4 10. Ne5 Be6 11. Bxf6 Bxf6 12. Nxc6 bxc6 13. Qd2 Qb6 14. Rfd1 Rab8 15. Rab1 Rfd8 16. b3 cxb3 17. Rxb3 Qa5 18. Rdb1 Qc7 19. Na4 Bf5 20. Rc1 Rxb3 21. axb3 Qd6 22. Nc5 Re8 23. e3 g6 24. Nd3 Bxd3 25. Qxd3 Rb8 26. Qc3 Rc8 27. Qc5 Be7 28. Qxd6 Bxd6 29. Bxd5 c5 30. b4 c4 31. Bxc4 Rc7 32. b5 Kf8 33. Kf1 Ke7 34. Ke2 f6 35. Rc2 Bb4 36. Bd3 Rxc2+ 37. Bxc2 Kd6 38. f3 Kd5 39. g4 Kc4 40. Bd3+ Kd5 41. Be4+ Ke6 42. Kd3 Bd6 43. h3 Bg3 44. Bb7 Kd6 45. Bc8 Kc7 46. Be6 Kd6 47. Bb3 Be1 48. f4 Bg3 49. Ke4 Bf2 50. Kf3 Bg1 51. h4 h6 52. Bf7 g5 53. fxg5 fxg5 54. h5 Ke7 55. Bb3 Kf6 56. Ke4 Bf2 57. Kd3 Ke7 58. e4 Bg3 59. e5 Kd7 60. Ke4 Bf2 61. d5 Bc5 62. d6 Bxd6 63. exd6 Kxd6 64. Kf5 Kd7 65. Kg6 Ke7 66. Kxh6 Kf6 67. Ba2 Ke5 68. Kxg5 Ke4 69. h6 Kf3 70. h7 Kg2 71. Kf4 Kf2 72. h8Q Ke2 73. Bc4+ Kd2 74. Qb2+ Kd1 75. Be2+ Ke1 76. Ke3 a5 77. Qa1# 1-0

[Event "EU-chT U12"]
[Site "Pardubice"]
[Date "2019.07.15"]
[Round "5.4"]
[White "Olenik Campa, Rudi"]
[Black "Piatrenka, Ivan"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1854"]
[BlackElo "1498"]
[PlyCount "108"]
[EventDate "2019.07.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Slovenia U12"]
[BlackTeam "Belarus U12"]
[WhiteTeamCountry "SLO"]
[BlackTeamCountry "BLR"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 c6 5. Qd2 b5 6. Bd3 Nf6 7. Bh6 Bxh6 8. Qxh6 e5 9. dxe5 dxe5 10. Nf3 Qe7 11. h3 Nbd7 12. 0-0 Qf8 13. Qe3 Nh5 14. g3 Qe7 15. Rfe1 h6 16. Bf1 g5 17. Kh2 Ndf6 18. Nd2 Ng7 19. Nb3 Ne6 20. Bg2 h5 21. Rh1 Bd7 22. a4 b4 23. Na2 Rg8 24. c3 bxc3 25. Qxc3 Nd8 26. Nb4 h4 27. Nd3 g4 28. Nxe5 hxg3+ 29. fxg3 gxh3 30. Bf3 Rb8 31. Nc5 Ne6 32. Ncxd7 Nxd7 33. Rhg1 Nxe5 34. Qxe5 Rb3 35. Bd1 Rb4 36. b3 Ng5 37. Qf5 Rb8 38. Rc1 Rg6 39. Rf1 Nxe4 40. Re1 Re6 41. Bf3 Nf6 42. Bxc6+ Kf8 43. Rxe6 Qxe6 44. Qxe6 fxe6 45. Bb5 Ne4 46. Kxh3 Nd6 47. Rc5 Rb7 48. Rh5 Kg7 49. b4 Kg6 50. g4 Rb8 51. Bd3+ Kf6 52. g5+ Ke5 53. g6+ Kf6 54. Rh4 Nf5 1/2-1/2

[Event "EU-chT U12"]
[Site "Pardubice"]
[Date "2019.07.14"]
[Round "4.4"]
[White "Hagner, Bennet"]
[Black "Piatrenka, Ivan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1831"]
[BlackElo "1498"]
[PlyCount "71"]
[EventDate "2019.07.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Germany U12"]
[BlackTeam "Belarus U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "BLR"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. Bh6 Bxh6 7. Qxh6 Qa5 8. Bd3 b5 9. Qd2 Nbd7 10. f4 Nb6 11. Nf3 Rb8 12. 0-0 0-0 13. e5 Nh5 14. Nd5 Qxd2 15. Nxe7+ Kh8 16. Nxd2 Bb7 17. exd6 Rbd8 18. Ne4 Ba8 19. f5 Ng7 20. b3 Nxf5 21. Nxf5 gxf5 22. Rxf5 f6 23. c4 bxc4 24. bxc4 c5 25. d5 Nd7 26. Raf1 Kg7 27. Bc2 Rde8 28. R5f4 Rd8 29. Ba4 Nb6 30. Bb5 Rc8 31. Ba6 Rce8 32. Nxc5 Rg8 33. d7 Re2 34. Ne6+ Rxe6 35. dxe6 Kh8 36. g3 1-0

[Event "EU-chT U12"]
[Site "Pardubice"]
[Date "2019.07.13"]
[Round "3.4"]
[White "Piatrenka, Ivan"]
[Black "Giang, Tran Nam"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1498"]
[BlackElo "1931"]
[PlyCount "102"]
[EventDate "2019.07.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Belarus U12"]
[BlackTeam "Hungary U12"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "HUN"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 Qb6 6. Qb3 c4 7. Qc2 Bf5 8. Qc1 e6 9. h3 Be7 10. Nbd2 0-0 11. Be2 h6 12. 0-0 Rfc8 13. Ne5 Nxe5 14. Bxe5 Qd8 15. a4 b6 16. Re1 a6 17. Bf3 b5 18. e4 Bh7 19. Re3 dxe4 20. Nxe4 Nd5 21. Re2 Qd7 22. Qe1 b4 23. g4 Ra7 24. Qd2 Rb7 25. Bg2 bxc3 26. bxc3 Rb3 27. Ree1 Rc6 28. a5 Qb7 29. Nc5 Bxc5 30. dxc5 Bd3 31. Bxd5 exd5 32. Qe3 Re6 33. Qd4 Qe7 34. Qxd5 Rb5 35. Re3 Rxc5 36. Qa8+ Kh7 37. Bd4 Rxe3 38. Bxe3 Re5 39. Qf3 f5 40. Ra2 fxg4 41. hxg4 Qh4 42. Qf4 Rg5 43. f3 Rb5 44. Ra1 Rb2 45. Bd2 Qe7 46. Qe3 Qd6 47. Qf4 Qd5 48. g5 Be2 49. g6+ Kxg6 50. Qg4+ Kh7 51. Be3 Bxf3 0-1

[Event "EU-chT U12"]
[Site "Pardubice"]
[Date "2019.07.12"]
[Round "2.4"]
[White "Piatrenka, Ivan"]
[Black "Klimkowski, Jan"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1498"]
[BlackElo "1985"]
[PlyCount "52"]
[EventDate "2019.07.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Belarus U12"]
[BlackTeam "Poland U12"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. c4 d6 6. h3 Nfd7 7. Nc3 Nc6 8. Be2 e5 9. dxe5 Ndxe5 10. 0-0 Be6 11. Nd5 Nxf3+ 12. Bxf3 Ne5 13. Bxe5 Bxe5 14. Bg4 f5 15. Be2 c6 16. Nc3 f4 17. Ne4 fxe3 18. fxe3 Qh4 19. Bf3 Bxc4 20. Rf2 d5 21. Nc5 Qg3 22. Nd3 Qh2+ 23. Kf1 Bxd3+ 24. Qxd3 Qh1+ 25. Ke2 Qxa1 26. Bxd5+ Kh8 0-1

[Event "EU-chT U12"]
[Site "Pardubice"]
[Date "2019.07.11"]
[Round "1.4"]
[White "Buchta, Bartolomej"]
[Black "Piatrenka, Ivan"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1585"]
[BlackElo "1498"]
[PlyCount "82"]
[EventDate "2019.07.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic U12 II"]
[BlackTeam "Belarus U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "BLR"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. Bg5 Nxe4 7. Nxe4 d5 8. Bd3 dxe4 9. Bxe4 Nc6 10. c3 Qe8 11. Qd2 e5 12. d5 Na5 13. b3 f5 14. Bc2 e4 15. Nd4 Qf7 16. c4 c5 17. Qxa5 cxd4 18. Rd1 d3 19. Bxd3 exd3 20. Rxd3 f4 21. 0-0 h6 22. Bd8 Bf5 23. Rf3 Rfxd8 24. Rxf4 b6 25. Qb4 Qc7 26. Rf3 Be5 27. h3 Bd6 28. Qd2 Qg7 29. g4 Be4 30. Re3 Bf4 31. f3 Bxe3+ 32. Qxe3 Bxf3 33. Qxf3 Rf8 34. Qe3 Rxf1+ 35. Kxf1 Rf8+ 36. Kg2 g5 37. Qd2 Qf6 38. Qe2 Kf7 39. b4 Re8 40. Qd2 Qf4 41. Qd1 Re3 0-1

