[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.31"]
[Round "9"]
[White "Suska, Szymon"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2040"]
[BlackElo "1856"]
[PlyCount "119"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. Nc3 c6 5. cxd5 exd5 6. Bg5 Bd6 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. 0-0 0-0 11. Qf5 Re8 12. Rab1 a5 13. Rfe1 g6 14. Qh3 h5 15. e4 dxe4 16. Nxe4 Be7 17. Bxf6 Nxf6 18. Qg3 Bb4 19. Nxf6+ Qxf6 20. Rxe8+ Rxe8 21. Qc7 Qf5 22. Rf1 Qc8 23. Qxc8 Rxc8 24. a3 Be7 25. Rd1 Rd8 26. Kf1 Bf6 27. Rd2 g5 28. Ke1 g4 29. Ne5 c5 30. Nc4 Rxd4 31. Rxd4 Bxd4 32. a4 Kf8 33. Nxa5 Bxb2 34. Nxb7 c4 35. a5 Bd4 36. a6 Ke7 37. Na5 Kd7 38. Nxc4 Kc6 39. Ke2 f6 40. f4 Kb5 41. Kd3 Bg1 42. h3 gxh3 43. gxh3 Kxa6 44. Ke4 Kb5 45. Nd6+ Kc5 46. Ne8 Bd4 47. Kf5 h4 48. Nxf6 Kd6 49. Ng4 Ke7 50. Kg5 Ke6 51. f5+ Kf7 52. Kxh4 Kg7 53. Kg5 Kf7 54. f6 Bc3 55. Kf5 Bd2 56. Ne5+ Kf8 57. Kg6 Bb4 58. h4 Kg8 59. h5 Kh8 60. h6 1-0

[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.30"]
[Round "8"]
[White "Marciniak, Leonard"]
[Black "Redzisz, Michal"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1856"]
[BlackElo "2228"]
[PlyCount "82"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Qb3 0-0 8. Nge2 Nbd7 9. d3 b6 10. 0-0 Nc5 11. Qa3 a5 12. Be3 Ba6 13. Bxc5 bxc5 14. Qxc5 Rc8 15. Qd4 Bb7 16. Qh4 Nxd5 17. Rac1 Nb6 18. b3 Rc5 19. Ng3 Bf6 20. Qg4 Nxc4 21. dxc4 h5 22. Qd1 Qa8 23. f3 Bxc3 24. Rxc3 h4 25. Qd4 Qa7 26. Ne2 h3 27. gxh3 Rg5+ 28. Kf2 Qb8 29. Qf4 Re5 30. Ng3 Rd8 31. Re1 Qa7+ 32. Rce3 f6 33. h4 Kh7 34. R1e2 Rd4 35. Ne4 Bxe4 36. fxe4 Rf5 37. exf5 Rxf4+ 38. Kg3 Qd4 39. Rxe7+ Kh6 40. fxg6 Rg4+ 41. Kf3 Qf4# 0-1

[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.29"]
[Round "7"]
[White "Zieba, Hubert"]
[Black "Marciniak, Leonard"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "1805"]
[BlackElo "1856"]
[PlyCount "67"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Qe2 Nc6 8. Rd1 cxd4 9. exd4 Be7 10. a4 0-0 11. Nc3 Nb4 12. Bg5 Nbd5 13. Rac1 h6 14. Bxf6 Bxf6 15. Qe4 Nxc3 16. bxc3 Bd7 17. Bd3 g6 18. Ne5 Bxe5 19. dxe5 Bc6 20. Qf4 Qg5 21. Qxg5 hxg5 22. a5 Rfd8 23. Bc2 Rd5 24. Rxd5 Bxd5 25. c4 Bxc4 26. Bxg6 Bd5 27. Bh5 Bc6 28. h3 Rd8 29. Rd1 Rc8 30. Rc1 Rd8 31. Rd1 Rc8 32. Rc1 Rd8 33. Rd1 Rc8 34. Rc1 1/2-1/2

[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.28"]
[Round "6"]
[White "Marciniak, Leonard"]
[Black "Haladaj, Adam1"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1856"]
[BlackElo "1611"]
[PlyCount "135"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Qb6 9. Nb3 d6 10. Bg5 h6 11. Bxf6 Bxf6 12. Nd5 Qa6 13. Nc7 Qb6 14. Nxa8 Qd8 15. Qd2 Be6 16. Rac1 Qxa8 17. Na5 Nxa5 18. Qxa5 Qb8 19. b3 b6 20. Qd2 Kg7 21. Bd5 Bh3 22. Rfd1 Qc7 23. Bg2 Be6 24. Qb4 Rb8 25. Qb5 Bd7 26. Qd5 Be6 27. Qc6 Qd8 28. Qf3 Qc7 29. h4 h5 30. Kh2 Bf5 31. Rd2 Bd7 32. Bh3 Bc6 33. Qd3 Qb7 34. e3 Be4 35. Qf1 Qc7 36. Bg2 Bf5 37. e4 Bd7 38. f4 Be8 39. Rcd1 Qc5 40. Rd5 Qc7 41. Qe2 Bc3 42. Qe3 Bb4 43. e5 Bc6 44. R5d3 Bxg2 45. Kxg2 Bc5 46. Qe4 a5 47. exd6 Bxd6 48. a4 Rd8 49. f5 Rf8 50. fxg6 fxg6 51. Rf3 Rxf3 52. Qxf3 Be5 53. Rf1 Bf6 54. Qd5 Qc8 55. Re1 Qg4 56. Re4 Qc8 57. Re6 Qc7 58. Rc6 Qb7 59. Qe6 Bd4 60. Qxg6+ Kf8 61. Qe6 Bf6 62. Qc8+ Qxc8 63. Rxc8+ Kf7 64. c5 bxc5 65. Rxc5 e5 66. Rxa5 e4 67. Rxh5 e3 68. Kf3 1-0

[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.27"]
[Round "5"]
[White "Kacprzak, Kacper"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2250"]
[BlackElo "1856"]
[PlyCount "125"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 0-0 7. Nc4 Nd7 8. c3 Re8 9. 0-0 f6 10. d4 exd4 11. cxd4 Bf8 12. Re1 Nb6 13. b3 Bg4 14. Bb2 c5 15. d5 Nxc4 16. bxc4 Qd7 17. Qd3 Bxf3 18. Qxf3 b5 19. cxb5 Qxb5 20. Bc3 Qc4 21. Re3 Bd6 22. Qe2 Qxe2 23. Rxe2 c6 24. Rd1 cxd5 25. Rxd5 Re6 26. f3 Rc8 27. Red2 Rc6 28. g3 Bc7 29. Kf2 Bb6 30. Ke2 Kf7 31. Kd3 c4+ 32. Kc2 Be3 33. Rd7+ Re7 34. Bb4 Bc5 35. Bxc5 Rxc5 36. Kc3 Ke8 37. Rxe7+ Kxe7 38. Rd5 Rc6 39. Ra5 Rc7 40. Ra4 Ke6 41. Rxc4 Rb7 42. Rc6+ Kf7 43. Ra6 Rc7+ 44. Kd2 Rd7+ 45. Ke3 Ke7 46. h4 Kf7 47. h5 h6 48. f4 Rc7 49. Kf3 Rc3+ 50. Kg4 Rc7 51. Kf5 Rb7 52. g4 Rc7 53. e5 fxe5 54. fxe5 Rb7 55. Rd6 Ke7 56. Re6+ Kf7 57. Rc6 Ke7 58. Kg6 Rb4 59. Kxg7 Rxg4+ 60. Kxh6 Ra4 61. Kg7 Rxa2 62. h6 Rg2+ 63. Rg6 1-0

[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.26"]
[Round "4"]
[White "Marciniak, Leonard"]
[Black "Labedz, Dawid"]
[Result "1-0"]
[ECO "A83"]
[WhiteElo "1856"]
[BlackElo "1579"]
[PlyCount "79"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 e6 4. e4 fxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nc6 8. c3 b6 9. Bd3 Bb7 10. Qe2 a5 11. d5 Na7 12. dxe6 d5 13. Ng3 Qe7 14. Nf5 Qc5 15. Ne5 Bxe5 16. Qxe5 0-0-0 17. 0-0 Nc6 18. Qxg7 Rhg8 19. Qxh7 Rh8 20. Qg7 Rdg8 21. Qf6 Rf8 22. Qg5 Rfg8 23. Qf4 Ne5 24. Ne7+ Qxe7 25. Qxe5 Rh4 26. Bf5 Bc6 27. f3 Qg5 28. g4 d4 29. e7+ Kb8 30. cxd4 Rh3 31. d5 Bd7 32. Rae1 Bxf5 33. e8Q+ Rxe8 34. Qxe8+ Ka7 35. Qe5 Qd2 36. Qxc7+ Ka6 37. Qc4+ Kb7 38. Re7+ Kb8 39. Qc7+ Ka8 40. Qa7# 1-0

[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.25"]
[Round "3"]
[White "Golecki, Jan"]
[Black "Marciniak, Leonard"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2183"]
[BlackElo "1856"]
[PlyCount "88"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. g3 Nf6 4. d3 d5 5. exd5 Nxd5 6. Bg2 Be7 7. 0-0 0-0 8. Nbd2 Re8 9. Re1 Bf8 10. c3 Bf5 11. Nc4 f6 12. d4 b5 13. dxe5 bxc4 14. Nh4 Bd3 15. Qf3 Nce7 16. exf6 Nxf6 17. Bg5 Qd6 18. Bxf6 Qxf6 19. Qxf6 gxf6 20. Bxa8 Rxa8 21. Re6 Kf7 22. Ra6 Nd5 23. Nf3 Bd6 24. Ra5 Ne7 25. Nd4 c6 26. b3 Bc7 27. Ra4 cxb3 28. axb3 Bb6 29. Rd1 Bg6 30. Rc4 Rd8 31. Re1 Rd6 32. Kg2 Bd3 33. Ra4 Nd5 34. Rc1 Be4+ 35. Nf3 Ne3+ 36. fxe3 Rd2+ 37. Kh3 Bxf3 38. g4 Bc7 39. Rf4 Bxf4 40. exf4 Rd1 41. Rc2 Rd3 42. Kh4 Kg6 43. b4 f5 44. h3 Be4 0-1

[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.25"]
[Round "2"]
[White "Marciniak, Leonard"]
[Black "Zalega, Maciej"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1856"]
[BlackElo "2155"]
[PlyCount "134"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. d5 Bg7 4. Nc3 c6 5. e4 d6 6. Nf3 0-0 7. h3 cxd5 8. cxd5 e6 9. Be2 exd5 10. exd5 Bf5 11. 0-0 Ne4 12. Nd4 Nd7 13. Be3 Nb6 14. Qb3 Bxd4 15. Bxd4 Nd2 16. Qb4 Nxf1 17. Bxf1 Rc8 18. a4 Na8 19. Nb5 a5 20. Qa3 Qh4 21. g3 Qg5 22. f4 Qh5 23. Qxd6 f6 24. g4 Bxg4 25. hxg4 Qxg4+ 26. Bg2 Rce8 27. Nc3 h5 28. Kh2 Rd8 29. Qc5 Qxf4+ 30. Kg1 Rde8 31. d6 h4 32. Rf1 Qg4 33. Qd5+ Kg7 34. d7 Rd8 35. Qe4 Qxd7 36. Bc5 Rfe8 37. Qxb7 Nc7 38. Qf3 Qf7 39. Ne4 Nd5 40. Nd6 Rxd6 41. Bxd6 Ne3 42. Rf2 Qe6 43. Bc5 Nxg2 44. Kxg2 Qe5 45. Qc3 h3+ 46. Kh1 Qe4+ 47. Qf3 g5 48. Qxe4 Rxe4 49. b3 g4 50. Kh2 Kg6 51. Bb6 Re5 52. Bd4 Re6 53. Rf4 f5 54. Bc3 Re2+ 55. Kh1 g3 56. Rf3 Rh2+ 57. Kg1 Rg2+ 58. Kh1 Kg5 59. Be5 f4 60. Bxf4+ Kg4 61. Rxg3+ Rxg3 62. Bxg3 Kxg3 63. Kg1 h2+ 64. Kh1 Kh3 65. b4 axb4 66. a5 b3 67. a6 b2 0-1

[Event "POL-ch U20"]
[Site "Chotowa"]
[Date "2023.10.24"]
[Round "1"]
[White "Meers, Hubert"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2256"]
[BlackElo "1856"]
[PlyCount "67"]
[EventDate "2023.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. Nf3 c5 4. d3 Nc6 5. Nbd2 d4 6. g3 e5 7. Bg2 Bd6 8. 0-0 0-0 9. Ng5 Bd7 10. c3 h6 11. Nge4 Nxe4 12. Nxe4 Qe7 13. e3 dxe3 14. fxe3 f5 15. Nxd6 Qxd6 16. Qe2 Rad8 17. Rad1 Be6 18. Ba3 b5 19. d4 b4 20. cxb4 Nxb4 21. Qb5 a6 22. Qxc5 Qxc5 23. dxc5 Rxd1 24. Rxd1 Nxa2 25. Rd6 Bxb3 26. Rb6 Bc4 27. c6 Rc8 28. Bd6 e4 29. c7 Nc3 30. Rb8 Be6 31. Bf1 Nb5 32. Bc4 Bxc4 33. Rxc8+ Kh7 34. Rh8+ 1-0

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2022.12.17"]
[Round "1"]
[White "Marciniak, Leonard"]
[Black "Adams, Michael"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1846"]
[BlackElo "2688"]
[PlyCount "74"]
[EventDate "2022.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 a6 6. 0-0 Nc6 7. e3 Bd7 8. Qe2 Bd6 9. Qxc4 0-0 10. Rd1 Qe7 11. Nc3 b5 12. Qb3 Rab8 13. Bd2 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Nd5 Nxd5 17. Bxd5 Bg4 18. Rdc1 c5 19. Bc3 c4 20. Qc2 Bxc3 21. Qxc3 Rfd8 22. Bg2 Rd3 23. Qa5 Qf6 24. a4 g6 25. axb5 axb5 26. Qc7 Rbd8 27. Qc6 Qxb2 28. f3 Be6 29. Rab1 Qe2 30. Re1 Rd1 31. Rbxd1 Rxd1 32. Rxd1 Qxd1+ 33. Bf1 Qd5 34. Qxd5 Bxd5 35. e4 c3 36. Bd3 Bc4 37. Bc2 b4 0-1

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "2"]
[White "Licznerski, Lukasz"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2441"]
[BlackElo "1846"]
[PlyCount "45"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nb3 Nf6 7. Be2 0-0 8. 0-0 b6 9. Re1 Bb7 10. Bf1 d6 11. Nd5 Re8 12. c3 Rc8 13. Bg5 Nxd5 14. exd5 Ne5 15. Bb5 Nd7 16. Qe2 Bxd5 17. Bxe7 Qc7 18. Qd2 Be6 19. Qxd6 Qxd6 20. Bxd6 Bf8 21. Bxf8 Kxf8 22. Rxe6 Rxe6 23. Bxd7 1-0

[Event "EU-ch Blitz"]
[Site "Katowice"]
[Date "2022.12.16"]
[Round "1"]
[White "Marciniak, Leonard"]
[Black "Licznerski, Lukasz"]
[Result "0-1"]
[ECO "D98"]
[WhiteElo "1846"]
[BlackElo "2441"]
[PlyCount "64"]
[EventDate "2022.12.16"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Nc6 8. Be2 Bg4 9. Be3 Bxf3 10. Bxf3 e5 11. d5 Nd4 12. Bd1 c6 13. dxc6 Rc8 14. 0-0 Rxc6 15. Qd3 Nf3+ 16. Bxf3 Qxd3 17. Rfd1 Qa6 18. Be2 Qa5 19. a3 Rxc3 20. bxc3 Nxe4 21. Bd3 Nxc3 22. Rdc1 e4 23. Bf1 f5 24. g3 Be5 25. Bd2 Ne2+ 26. Bxe2 Qxd2 27. Bc4+ Kg7 28. Rd1 Qg5 29. Rd7+ Kh6 30. Kh1 Qh5 31. Re1 Qf3+ 32. Kg1 Qc3 0-1

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.27"]
[Round "9"]
[White "Dzida, Kamil"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2379"]
[BlackElo "1849"]
[PlyCount "119"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Bxc6 bxc6 6. Re1 Nh6 7. d3 d6 8. e5 0-0 9. h3 f6 10. exd6 exd6 11. Nc3 Nf7 12. d4 cxd4 13. Nxd4 Bd7 14. Be3 Re8 15. Qd2 Qa5 16. Rad1 Rad8 17. Nb3 Qc7 18. Qd4 c5 19. Qd2 Be6 20. Nd5 Qc8 21. Na5 Ne5 22. Bf4 Rd7 23. Re3 Qa8 24. Bg3 f5 25. Bh4 Bxd5 26. Qxd5+ Qxd5 27. Rxd5 f4 28. Re4 h6 29. f3 g5 30. Be1 Kf7 31. Bc3 Ke6 32. Rd1 d5 33. Rxe5+ Bxe5 34. Bxe5 Kf5 35. Bc3 Re2 36. Nb3 d4 37. Bd2 Rd5 38. Re1 Rxe1+ 39. Bxe1 c4 40. Nd2 c3 41. bxc3 dxc3 42. Nb3 a5 43. a4 Rd1 44. Kf2 Rd7 45. Bxc3 Rc7 46. Nd4+ Kg6 47. Bxa5 Rc4 48. Ne2 Rxc2 49. Bc3 h5 50. a5 Kf5 51. Ke1 Ra2 52. Nc1 Ra4 53. Kd2 g4 54. hxg4+ hxg4 55. Kc2 gxf3 56. gxf3 Rc4 57. Kb3 Rc6 58. Nd3 Rd6 59. Kc4 Rc6+ 60. Nc5 1-0

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.25"]
[Round "8"]
[White "Marciniak, Leonard"]
[Black "Boryna, Szymon"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1849"]
[BlackElo "1484"]
[PlyCount "119"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 c5 5. cxd5 Nxd5 6. Bg2 cxd4 7. 0-0 Be7 8. Nxd4 0-0 9. Qb3 Bf6 10. Rd1 Qb6 11. Qc4 Bxd4 12. Rxd4 Nc6 13. Rd1 Qb4 14. Na3 Qxc4 15. Nxc4 h6 16. e4 Nde7 17. Be3 e5 18. Bc5 f6 19. Nd6 b6 20. Nxc8 Raxc8 21. Bd6 Rfe8 22. Bh3 Rcd8 23. Be6+ Kh8 24. Bf7 Rf8 25. Bc4 Rd7 26. Be6 Rdd8 27. Rac1 Rfe8 28. Bf7 Rf8 29. Bb3 a6 30. Ba4 b5 31. Bb3 Rfe8 32. Bxe7 Rxd1+ 33. Bxd1 Nxe7 34. Rc7 Rd8 35. Bb3 Nc8 36. Kg2 Nd6 37. Bd5 a5 38. b3 Nf5 39. Ra7 Nd4 40. Rxa5 Rb8 41. a4 bxa4 42. bxa4 Rb4 43. h4 h5 44. Ra8+ Kh7 45. a5 Nb3 46. a6 Nc5 47. a7 Ra4 48. Rc8 Rxa7 49. Rxc5 Kg6 50. Rb5 Ra3 51. Rb7 Ra4 52. Bf7+ Kh6 53. Rb8 Kh7 54. Be6 g6 55. Rb7+ Kh8 56. Bf7 Rxe4 57. Bxg6 Rd4 58. Bxh5 f5 59. Re7 e4 60. Re5 1-0

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.24"]
[Round "7"]
[White "Radzimski, Antoni"]
[Black "Marciniak, Leonard"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1766"]
[BlackElo "1849"]
[PlyCount "160"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. Nc3 Nf6 6. e3 e6 7. Bd3 Be7 8. h3 Bd7 9. Nf3 0-0 10. 0-0 Rc8 11. Qe2 Qb6 12. Rac1 Na5 13. Ne5 a6 14. Rfd1 Nc6 15. Bb1 Rfd8 16. h4 Be8 17. h5 Bd6 18. Ng4 Nxg4 19. Qxg4 f5 20. Qh3 Bxf4 21. exf4 Qxb2 22. Qe3 Bf7 23. h6 gxh6 24. Na4 Qb4 25. Nc5 Re8 26. Qg3+ Bg6 27. Nxe6 Rxe6 28. Bxf5 Qd6 29. Bxe6+ Qxe6 30. Qb3 Rc7 31. Qe3 Qf6 32. Rc5 Rd7 33. Qh3 Bf5 34. Qf3 Be4 35. Qg4+ Qg6 36. Qxg6+ hxg6 37. f3 Bf5 38. g4 Be6 39. Kf2 Kf7 40. a3 Kf6 41. Ke3 h5 42. f5 Bf7 43. fxg6 Bxg6 44. Kf4 hxg4 45. fxg4 Be4 46. Rc3 Kg6 47. Rh3 Rf7+ 48. Ke3 Na5 49. Ke2 Nc4 50. Rc1 b5 51. g5 Kg7 52. Rcc3 Re7 53. Kf2 Bg6 54. Rh4 Rf7+ 55. Ke2 Rf5 56. Rg3 Rf8 57. Rc3 Re8+ 58. Kf2 Re6 59. Rf4 Bh5 60. Kg3 Kg6 61. Kh4 Be2 62. Rg3 Nd6 63. Rg1 Nf5+ 64. Kh3 Re3+ 65. Kh2 Bc4 66. Rf2 a5 67. Rg4 Re4 68. Kh3 Re3+ 69. Kh2 Bd3 70. Rb2 Re1 71. Rf2 Be4 72. Kh3 Rh1+ 73. Rh2 Rxh2+ 74. Kxh2 Nxd4 75. Kg3 Nc2 76. Kf4 Nxa3 77. Rg3 b4 78. Rb3 Nc4 79. Kg4 Bc2 80. Rf3 Bd1 0-1

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.23"]
[Round "6"]
[White "Marciniak, Leonard"]
[Black "Kawulski Chodkiewicz, Alexander"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "1849"]
[BlackElo "1449"]
[PlyCount "122"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Rd1 b6 10. Bf4 Bb7 11. Nbd2 Rc8 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qe2 Bd6 16. Ne5 Qe7 17. Bg5 Qc7 18. Bxf6 gxf6 19. Nd3 c5 20. dxc5 bxc5 21. Bxb7 Qxb7 22. Rd2 Rfd8 23. Rad1 Qb8 24. Qg4+ Kh8 25. Qh5 Kg7 26. Qg4+ Kh8 27. Qf3 Kg7 28. Re2 Be5 29. Re4 f5 30. Rxe5 Rxd3 31. Qxd3 Qxe5 32. Qd2 h6 33. b3 Rc6 34. f4 Qf6 35. Kf2 Ra6 36. Re1 Qe7 37. Qc3+ Qf6 38. Qxf6+ Kxf6 39. Re2 Ke7 40. Ke3 Rb6 41. Kd3 a5 42. Kc3 f6 43. a3 h5 44. Re3 Rb7 45. h3 Rb8 46. Rd3 Rb7 47. Re3 Kd6 48. Rf3 Ke7 49. Rf2 Rb8 50. Rg2 Kf7 51. Rf2 Ke7 52. Rd2 Rg8 53. Rd3 Rb8 54. Kc2 Rb7 55. Re3 Rd7 56. Kc3 Rb7 57. Kd2 Rd7+ 58. Kc3 Rb7 59. Re2 Rb8 60. Re1 Rg8 61. Re3 Rb8 1/2-1/2

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.23"]
[Round "5"]
[White "Marciniak, Leonard"]
[Black "Pycinski, Wladyslaw"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1849"]
[BlackElo "1729"]
[PlyCount "90"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. Qc2 Nf6 5. Bg5 Be7 6. e3 0-0 7. Nc3 Nbd7 8. cxd5 exd5 9. Bd3 Re8 10. 0-0-0 Nf8 11. Kb1 Be6 12. h3 a6 13. g4 c5 14. dxc5 Qa5 15. Bf5 Qxc5 16. Nd4 Rac8 17. Rc1 Qa7 18. Qd3 b5 19. Bxf6 Bxf6 20. Nce2 g6 21. Bxe6 fxe6 22. f4 Qb7 23. g5 Bg7 24. h4 Rxc1+ 25. Rxc1 Rc8 26. Rxc8 Qxc8 27. Qc2 Qd7 28. Qc5 e5 29. fxe5 Bxe5 30. Nc3 Bxd4 31. Qxd4 Qf5+ 32. Kc1 Qf1+ 33. Kc2 Qf2+ 34. Qd2 Qxh4 35. Qxd5+ Kg7 36. Qe5+ Kf7 37. Ne4 Qg4 38. Kc3 Qe6 39. Qf4+ Ke7 40. b3 Nd7 41. Kb4 Qb6 42. Kc3 Qc6+ 43. Kb2 Qd5 44. Qh4 Kd8 45. Qf4 Ke7 1/2-1/2

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.22"]
[Round "4"]
[White "Golecki, Jan"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2197"]
[BlackElo "1849"]
[PlyCount "85"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 c6 4. Bb2 Bg4 5. h3 Bh5 6. d3 Nbd7 7. g4 Bg6 8. g5 Ng8 9. Nh4 e5 10. f4 exf4 11. exf4 f5 12. Nd2 Qc7 13. Qf3 0-0-0 14. 0-0-0 Nc5 15. Qe3 Re8 16. Be5 Bd6 17. d4 Bxe5 18. dxe5 Qa5 19. Kb2 Ne6 20. Ndf3 Ne7 21. c4 Bh5 22. cxd5 Nxd5 23. Rxd5 Qxd5 24. Bc4 Qe4 25. Qxe4 fxe4 26. Bxe6+ Rxe6 27. Nd4 Re7 28. Re1 g6 29. Rxe4 Rhe8 30. b4 Kd7 31. Ng2 b6 32. Ne3 Kc7 33. b5 cxb5 34. Nd5+ Kb7 35. Nxb5 Kc6 36. Nxe7+ Kxb5 37. Nd5 Kc5 38. Nf6 Re7 39. Nxh5 gxh5 40. f5 Kd5 41. f6 Rc7 42. e6 Kxe4 43. e7 1-0

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.21"]
[Round "3"]
[White "Walaszczyk, Aleksander"]
[Black "Marciniak, Leonard"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1656"]
[BlackElo "1849"]
[PlyCount "80"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 0-0 8. Qd2 Nd7 9. 0-0-0 Nf6 10. Bd3 c5 11. c4 b5 12. cxb5 a6 13. bxa6 d5 14. c4 d4 15. Bf4 Rxa6 16. a3 Bb7 17. Rde1 Re8 18. Qc2 Qa8 19. Ng5 h6 20. Ne4 Nh5 21. Bd2 Bc6 22. g4 Nf6 23. Nxf6+ Bxf6 24. Rxe8+ Qxe8 25. Re1 Qb8 26. f4 Ba4 27. Qb1 Bb3 28. g5 hxg5 29. fxg5 Be5 30. h4 Bf4 31. Bh7+ Kf8 32. Qf5 Bxd2+ 33. Kxd2 Qc7 34. Qe4 Qa5+ 35. Kd3 Re6 36. Qb7 Qxe1 37. Qc8+ Re8 38. Qxc5+ Qe7 39. Qxe7+ Rxe7 40. Kxd4 g6 0-1

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.20"]
[Round "2"]
[White "Marciniak, Leonard"]
[Black "Kraczek, Cezary"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "1849"]
[BlackElo "1743"]
[PlyCount "156"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. h3 a6 8. a4 Bg7 9. Nf3 0-0 10. Bd3 Re8 11. 0-0 Nbd7 12. Bf4 Qe7 13. Re1 Nh5 14. Bh2 Ne5 15. Be2 Nf6 16. Bxe5 dxe5 17. Nd2 Qd8 18. Nc4 b6 19. Qb1 Bf8 20. Rd1 Bd6 21. Ra3 Rb8 22. Rd2 Rf8 23. Rb3 Ne8 24. Qf1 Kh8 25. Nxd6 Nxd6 26. f4 Qe7 27. Qf2 f5 28. fxe5 Qxe5 29. a5 b5 30. Qxc5 fxe4 31. Qd4 Qxd4+ 32. Rxd4 Bb7 33. Rbb4 Rbe8 34. Bg4 Re5 35. Nxe4 Nxe4 36. Rxe4 Rxe4 37. Rxe4 Bxd5 38. Rd4 Bc4 39. Bf3 Rf6 40. Rd7 Re6 41. Kf2 h6 42. Rb7 Kg8 43. Kg3 g5 44. Rb6 Kf7 45. Bb7 Re3+ 46. Kh2 h5 47. Bf3 Re6 48. Bxh5+ Ke7 49. Bf3 Rxb6 50. axb6 Kd6 51. b4 Bd3 52. Kg3 a5 53. bxa5 b4 54. Bd1 Be4 55. Ba4 Bc6 56. Bc2 Kc5 57. Bd3 b3 58. Kf2 b2 59. g3 Bb7 60. h4 gxh4 61. gxh4 Kd4 62. Bb1 Be4 63. a6 Bxb1 64. b7 Be4 65. b8Q b1Q 66. Qd6+ Bd5 67. Qf6+ Kc5 68. Qe7+ Kc4 69. Qe2+ Kc5 70. h5 Qf5+ 71. Ke1 Qb1+ 72. Kf2 Qf5+ 73. Kg3 Qg5+ 74. Qg4 Qe3+ 75. Kh4 Qe7+ 76. Kg3 Qe3+ 77. Kh4 Qe7+ 78. Kg3 Qe3+ 1/2-1/2

[Event "POL-ch U20"]
[Site "Karpacz"]
[Date "2022.11.19"]
[Round "1"]
[White "Kokoszczynski, Jan"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2319"]
[BlackElo "1849"]
[PlyCount "95"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Bd3 Bg4 8. f3 Bh5 9. Nge2 e6 10. Rc1 Rc8 11. 0-0 Bg6 12. Na4 Bd6 13. Nc5 Bxc5 14. Rxc5 Bxd3 15. Qxd3 Nd7 16. Rc3 0-0 17. Rfc1 Qe7 18. Qd2 Nb6 19. b3 Rfd8 20. R1c2 f6 21. Bg3 Kf7 22. Nc1 Nd7 23. Nd3 Qf8 24. Qc1 e5 25. dxe5 fxe5 26. Bxe5 Qe7 27. Bd4 Re8 28. Qd2 Qh4 29. Qf2 Qg5 30. Qg3 Qxg3 31. hxg3 Nxd4 32. exd4 Rxc3 33. Rxc3 Re2 34. Rc7 Ke8 35. Rxb7 Rxa2 36. Nb4 Rd2 37. Nxd5 Rxd4 38. Nc7+ Kd8 39. Nxa6 Rd6 40. Nb4 Kc8 41. Rb5 Kc7 42. Rd5 Rb6 43. Rd4 Rb5 44. Nd3 Nf6 45. b4 Kc6 46. Kf2 Rf5 47. g4 Rd5 48. Ke3 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.11"]
[Round "9.5"]
[White "Marciniak, Leonard"]
[Black "Ratajczak, Hubert"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1811"]
[BlackElo "2056"]
[PlyCount "122"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Krakow Gens Una Sumus"]
[BlackTeam "Bydgoszcz Energia Gwiazda"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 c6 5. h4 Bg7 6. Be2 h5 7. Nf3 Nbd7 8. Ne5 Nxe5 9. Bxe5 Kf8 10. f3 Nd7 11. Bxg7+ Kxg7 12. Qd2 e5 13. 0-0-0 b5 14. e4 b4 15. Na4 Qa5 16. b3 Nb6 17. a3 Nxa4 18. axb4 Qb6 19. bxa4 a5 20. b5 Bd7 21. dxe5 Qc5 22. Qd4 Qa3+ 23. Kd2 Be6 24. Ra1 Qe7 25. exd5 Bxd5 26. Bd3 Rhd8 27. Qf4 Qc5 28. Qe3 Qb4+ 29. Ke2 Bc4 30. Kf2 Bxd3 31. cxd3 cxb5 32. axb5 Qxb5 33. Rhd1 a4 34. Rd2 a3 35. d4 Qb4 36. Raa2 Ra6 37. Kg3 Rd5 38. Rd3 Rda5 39. Qd2 Qe7 40. Qe3 Ra4 41. f4 Qe6 42. Qe2 Qd5 43. Qd2 Qe6 44. Kh2 Qd5 45. Qf2 Qe4 46. Qd2 Qd5 47. g3 Qe4 48. d5 g5 49. Re3 Qf5 50. fxg5 Rc4 51. Qd3 Qg4 52. d6 Rac6 53. Qe2 Qf5 54. Rd3 Rc1 55. d7 Rh1+ 56. Kxh1 Qh3+ 57. Kg1 Rc1+ 58. Kf2 Qh2+ 59. Ke3 Qxg3+ 60. Kd2 Qf4+ 61. Re3 Rf1 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.10"]
[Round "8.16"]
[White "Marciniak, Leonard"]
[Black "Gosciniak, Tomasz"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "1811"]
[BlackElo "1936"]
[PlyCount "133"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Krakow Gens Una Sumus"]
[BlackTeam "Grzybowo GKSz Solny"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 d5 3. Nf3 dxc4 4. Qa4+ c6 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8. Nc3 Be7 9. 0-0 0-0 10. Re1 Ne4 11. e3 Rc8 12. Nd2 Nxd2 13. Bxd2 Bg6 14. Ne4 c5 15. Bc3 Bxe4 16. Bxe4 cxd4 17. Qxd4 Bf6 18. Qxa7 Bxc3 19. bxc3 Nc5 20. Bg2 Qc7 21. Reb1 Rfd8 22. Qa3 b6 23. Rd1 g6 24. c4 Rxd1+ 25. Rxd1 Nd7 26. Qd6 Ne5 27. Qxc7 Rxc7 28. Bf1 Rc6 29. Rc1 b5 30. c5 Nd7 31. Bxb5 Rxc5 32. Rxc5 Nxc5 33. a4 Nb7 34. Kf1 Kf8 35. Ke2 Ke7 36. Kd3 Kd6 37. Kc4 Kc7 38. Kd4 Kd6 39. f4 f6 40. Bd3 Nc5 41. Bc2 e5+ 42. fxe5+ fxe5+ 43. Kc4 Kc6 44. h4 Ne6 45. Be4+ Kd6 46. Kb5 Nc5 47. Ba8 Ne6 48. Kb6 Nc5 49. Bc6 h6 50. a5 g5 51. hxg5 hxg5 52. Be8 Kd5 53. Bf7+ Kd6 54. Be8 Kd5 55. Bc6+ Kc4 56. a6 Nxa6 57. Kxa6 Kd3 58. e4 Ke3 59. Kb5 Kf3 60. Kc4 Kxg3 61. Kd5 Kf4 62. Bd7 g4 63. Bxg4 Kxg4 64. Kxe5 Kg5 65. Ke6 Kg6 66. e5 Kg5 67. Kf7 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.08"]
[Round "6.11"]
[White "Marciniak, Leonard"]
[Black "Dudzinski, Pawel"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1811"]
[BlackElo "2198"]
[PlyCount "104"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Krakow Gens Una Sumus"]
[BlackTeam "Ostrow Wielkopolski"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 g6 2. e4 c6 3. Nc3 d5 4. Nf3 Bg7 5. h3 Nf6 6. e5 Ne4 7. Bd3 Nxc3 8. bxc3 c5 9. Be3 c4 10. Be2 Qa5 11. Bd2 Nd7 12. 0-0 Nb6 13. Qc1 Na4 14. Qa3 Bf8 15. Qb4 Qa6 16. Rab1 e6 17. Qb5+ Qxb5 18. Rxb5 a6 19. Rbb1 Ba3 20. Nh2 h5 21. f4 Bb2 22. Rf3 b5 23. g4 Bd7 24. gxh5 gxh5 25. Kf2 Ke7 26. h4 Rag8 27. Rg1 Rxg1 28. Kxg1 Rg8+ 29. Kf2 Be8 30. Re3 b4 31. Bxh5 Rh8 32. Be2 Rxh4 33. Kg3 Rh8 34. cxb4 Bxd4 35. Rf3 f5 36. exf6+ Bxf6 37. Rf1 Bg6 38. Bd1 Nb2 39. c3 Bd3 40. Rg1 Rg8+ 41. Bg4 Na4 42. Rc1 d4 43. cxd4 Bxd4 44. Kf3 Kd6 45. Be3 Bc3 46. Bc5+ Kd5 47. Ke3 e5 48. fxe5 Bxe5 49. Bf3+ Ke6 50. Ng4 Bb2 51. Rh1 Rg6 52. Nf2 Nxc5 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.07"]
[Round "5.17"]
[White "Krainski, Slawomir"]
[Black "Marciniak, Leonard"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "1982"]
[BlackElo "1811"]
[PlyCount "67"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Grudziadz Rotmistrz"]
[BlackTeam "Krakow Gens Una Sumus"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 Nf6 7. Be2 b6 8. 0-0 0-0 9. Bg5 Bb7 10. Qd2 Rc8 11. Bh6 Qc7 12. Bxg7 Kxg7 13. f4 d6 14. Bf3 Ba6 15. Be2 Bb7 16. Bf3 Ba6 17. Be2 Qb7 18. Rae1 Rfd8 19. Qe3 Bxe2 20. Qxe2 e6 21. f5 Ne5 22. fxe6 fxe6 23. Nd4 Qe7 24. Qf2 Rf8 25. Qg3 Rce8 26. Nd5 Nxd5 27. exd5 exd5 28. Rxf8 Kxf8 29. Rf1+ Nf7 30. Nb5 Kg8 31. Rxf7 Kxf7 32. Nxd6+ Kg8 33. Nxe8 Qxe8 34. Kf2 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.05"]
[Round "3.40"]
[White "Kubik, Rafal"]
[Black "Marciniak, Leonard"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2023"]
[BlackElo "1811"]
[PlyCount "115"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Rydultowy Ognisko"]
[BlackTeam "Krakow Gens Una Sumus"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8. 0-0 Be6 9. Bxe6 Qxe6 10. a4 Qd7 11. a5 Nd5 12. a6 b6 13. d4 cxd4 14. Nxd4 e6 15. Nb5 Rd8 16. Qa4 Nc7 17. Be3 Nxb5 18. Qxb5 Be7 19. Nd2 0-0 20. Nc4 Qd5 21. Qxd5 exd5 22. Na3 Bxa3 23. Rxa3 d4 24. cxd4 Nxd4 25. Bxd4 Rxd4 26. Re1 Rfd8 27. Kf1 Kf8 28. g3 Rd3 29. Ra4 R8d4 30. Raa1 g6 31. Rac1 Ra4 32. Rc7 Rxa6 33. Ree7 Rf3 34. Ke2 Rf5 35. Rxa7 Rxa7 36. Rxa7 Rb5 37. Ra2 Rb3 38. f4 Ke7 39. Kd1 Kd6 40. Kc2 Rf3 41. Ra7 Rf2+ 42. Kc3 Ke6 43. Rb7 Rxh2 44. Rxb6+ Kf5 45. Kd4 Rh3 46. Rb5+ Kg4 47. Rg5+ Kf3 48. f5 Rh2 49. fxg6 fxg6 50. b4 Rd2+ 51. Kc5 Rc2+ 52. Kd6 Rb2 53. Kc5 Rc2+ 54. Kd6 Rb2 55. b5 h6 56. Rxg6 Rxb5 57. Kc6 Rg5 58. Rxh6 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.04"]
[Round "2.53"]
[White "Marciniak, Leonard"]
[Black "Owoc, Jakub"]
[Result "0-1"]
[ECO "E64"]
[WhiteElo "1811"]
[BlackElo "1738"]
[PlyCount "50"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Krakow Gens Una Sumus"]
[BlackTeam "Krakow KKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Be3 Nc6 10. Bxc5 Be6 11. Rc1 Bxc4 12. Nd2 Bd5 13. e4 Be6 14. f4 Rac8 15. Nb3 b6 16. Ba3 Ng4 17. Nd5 Bxd5 18. exd5 Nd4 19. Rxc8 Rxc8 20. Nxd4 Bxd4 21. Kd2 Bc5 22. Bf3 Nf6 23. b4 Bd6 24. Rb1 b5 25. Rb3 Rc4 0-1

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2022.09.03"]
[Round "1.77"]
[White "Powalka, Michal"]
[Black "Marciniak, Leonard"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "1986"]
[BlackElo "1811"]
[PlyCount "149"]
[EventDate "2022.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Bialoleka Sparta"]
[BlackTeam "Krakow Gens Una Sumus"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. f4 Rad8 12. Qd3 Nxd4 13. Bxd4 Bc6 14. f5 Nd7 15. Bxg7 Kxg7 16. Rf2 Qe5 17. Bd5 Nf6 18. Raf1 e6 19. Bxc6 bxc6 20. Qc4 Rc8 21. fxe6 fxe6 22. Qa4 Rc7 23. Rd1 Qc5 24. Qd4 Qxd4 25. Rxd4 d5 26. exd5 cxd5 27. Re2 Rc6 28. Rb4 a6 29. Rb7+ Rf7 30. Rxf7+ Kxf7 31. Nd1 Ke7 32. c3 Ne4 33. Ne3 Kd6 34. Nc2 Rb6 35. Nd4 Kc5 36. Nf3 Kd6 37. g4 Rb7 38. Kg2 Re7 39. Re1 Rb7 40. Re2 Rc7 41. Nd4 e5 42. Nc2 Rb7 43. Nb4 a5 44. Nd3 Re7 45. Ne1 Ng5 46. Nc2 Rb7 47. Ne3 Ne6 48. Rd2 Nf4+ 49. Kg3 Kc5 50. g5 Nh5+ 51. Kh2 Nf4 52. h4 e4 53. b3 Nd3 54. Kg2 Rf7 55. a3 Ne1+ 56. Kh1 Nd3 57. b4+ axb4 58. axb4+ Kd6 59. Ra2 Rf3 60. Ng4 Rf4 61. Ra6+ Kc7 62. Ne3 Rxh4+ 63. Kg1 Nf4 64. Ra5 Kc6 65. c4 d4 66. Rc5+ Kb6 67. Nd5+ Nxd5 68. Rxd5 e3 69. Kf1 Rf4+ 70. Ke1 Kc6 71. Rd8 Rg4 72. Rd5 Rf4 73. Rd8 Rg4 74. Rd5 Rf4 75. Rd8 1/2-1/2

[Event "Krakow op-B"]
[Site "Krakow"]
[Date "2022.07.02"]
[Round "9"]
[White "Marciniak, Leonard"]
[Black "Cattaruzzo, Nicolo"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1775"]
[BlackElo "1744"]
[PlyCount "39"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 e6 4. e4 Be7 5. exf5 exf5 6. Qf3 d6 7. Bd3 g6 8. Nge2 Be6 9. Nf4 Bf7 10. Qxb7 Nbd7 11. 0-0 0-0 12. Rfe1 a5 13. Qc6 Re8 14. Bc4 Qb8 15. Bxf7+ Kxf7 16. Qc4+ Kg7 17. Ne6+ Kh8 18. Nxc7 Nb6 19. Qf7 Nbd7 20. Nxe8 1-0

[Event "Krakow op-B"]
[Site "Krakow"]
[Date "2022.07.01"]
[Round "8"]
[White "Cichon, Bartlomiej"]
[Black "Marciniak, Leonard"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "1872"]
[BlackElo "1775"]
[PlyCount "100"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be3 Bg7 9. Be2 0-0 10. Qd2 a5 11. 0-0 a4 12. f3 Qa5 13. Rac1 Be6 14. Nb5 Qxd2 15. Bxd2 Nd7 16. Rc2 Rfc8 17. Be3 Nc5 18. Rb1 f5 19. Nd4 fxe4 20. Nxe6 Nxe6 21. fxe4 Bd4 22. Kf2 h5 23. Rd1 Bxe3+ 24. Kxe3 Rc5 25. Rcd2 Kg7 26. h4 Rf8 27. g3 b6 28. Rf1 Rxf1 29. Bxf1 Re5 30. Bg2 g5 31. Rf2 Kg6 32. Bh3 g4 33. Bg2 b5 34. Rf5 b4 35. Rxe5 dxe5 36. a3 bxa3 37. bxa3 Nc5 38. Kd2 Kf6 39. Kc3 Ke6 40. Kb4 Kd6 41. Kb5 e6 42. Kb6 Nd3 43. Bf1 Nc5 44. Bg2 Nd3 45. Kb5 Nc5 46. Bh1 Nd3 47. Bg2 Nc5 48. Kb6 Nd3 49. Bf1 Nc5 50. Bg2 Nd3 1/2-1/2

[Event "Krakow op-B"]
[Site "Krakow"]
[Date "2022.06.30"]
[Round "7"]
[White "Marciniak, Leonard"]
[Black "Cwiek, Ryszard"]
[Result "1/2-1/2"]
[ECO "A44"]
[WhiteElo "1775"]
[BlackElo "1880"]
[PlyCount "102"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 a6 5. a4 Be7 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Bg5 9. Bxg5 Qxg5 10. Qg4 Qxg4 11. hxg4 h6 12. a5 Nd7 13. Kd2 0-0-0 14. Bd3 Ngf6 15. f3 g6 16. g3 h5 17. gxh5 gxh5 18. Rh3 Rh7 19. Rah1 Rdh8 20. Nd1 Nf8 21. Ne3 Ng6 22. Nf5 Kd7 23. Ke3 Ne7 24. Nh4 Rg7 25. Kf2 Rhg8 26. Rg1 Kc7 27. Ng2 Rb8 28. Ne3 Rbg8 29. Rhh1 Kd7 30. Bf1 Kc7 31. Bh3 Rg5 32. Bf5 Nfxd5 33. exd5 Nxf5 34. Nxf5 Rxf5 35. Rh4 Rfg5 36. Rc4 b5 37. axb6+ Kxb6 38. Ra4 a5 39. Rga1 Rxg3 40. Rxa5 Rg2+ 41. Ke3 c4 42. Ra6+ Kb7 43. Ra7+ Kb8 44. Ra8+ Kb7 45. R1a7+ Kb6 46. Ra6+ Kc5 47. Ra5+ Kb4 48. Ra4+ Kc5 49. R4a5+ Kb4 50. Ra4+ Kb5 51. R4a5+ Kb4 1/2-1/2

[Event "Krakow op-B"]
[Site "Krakow"]
[Date "2022.06.28"]
[Round "5"]
[White "Marciniak, Leonard"]
[Black "Matuszczyk, Mateusz"]
[Result "0-1"]
[ECO "D77"]
[WhiteElo "1775"]
[BlackElo "1856"]
[PlyCount "114"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[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. g3 0-0 5. Bg2 Nc6 6. Nf3 d5 7. Ne5 Nxe5 8. dxe5 Ng4 9. cxd5 Nxe5 10. 0-0 Nc4 11. Qb3 Nd6 12. e4 e5 13. Be3 a6 14. Rae1 Bd7 15. f4 f6 16. Bc5 b6 17. Be3 Kh8 18. a4 Rb8 19. Rc1 Qe7 20. fxe5 fxe5 21. Na2 Rxf1+ 22. Bxf1 Nxe4 23. Bxa6 Qd6 24. Bb5 Bxb5 25. Qxb5 Bf8 26. Rc6 Qd8 27. Qc4 Nc5 28. Nc3 Ra8 29. b3 Bd6 30. Bxc5 Bxc5+ 31. Kg2 Qd7 32. Ne4 Rf8 33. Qd3 Bd4 34. Rc1 Qxd5 35. Rf1 Rf5 36. g4 Rxf1 37. Kxf1 Qf7+ 38. Ke2 Qf4 39. h3 Kg7 40. Nd2 Qf2+ 41. Kd1 Qe3 42. Kc2 Qxd3+ 43. Kxd3 Kf6 44. Ne4+ Ke6 45. Kc4 h6 46. b4 c6 47. b5 cxb5+ 48. axb5 Be3 49. Kd3 Bc1 50. Nc3 Bb2 51. Ne4 Kd5 52. Nf6+ Kc5 53. Ng8 Bc1 54. Ne7 g5 55. Ng8 Kxb5 56. Nxh6 Kc5 57. Nf7 Kd5 0-1

[Event "Krakow op-B"]
[Site "Krakow"]
[Date "2022.06.26"]
[Round "3"]
[White "Marciniak, Leonard"]
[Black "Spanton, Timothy"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "1775"]
[BlackElo "1861"]
[PlyCount "113"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Nbd2 dxc4 5. Qa4 Qd7 6. Qxc4 0-0-0 7. e3 e5 8. dxe5 Bxf3 9. gxf3 Bb4 10. Qc2 Nxe5 11. Be2 Nf6 12. a3 Bxd2+ 13. Bxd2 Nd3+ 14. Bxd3 Qxd3 15. Qxd3 Rxd3 16. Rc1 Rhd8 17. Rc2 Nd7 18. Ke2 Ne5 19. Bc3 f6 20. Rhc1 Nc6 21. b4 R8d7 22. b5 Nd8 23. f4 R3d5 24. a4 Rh5 25. Rh1 Nf7 26. Bd4 Kb8 27. Kf3 Nd6 28. Kg4 Rd5 29. Rhc1 h5+ 30. Kf3 Nf5 31. Bc3 Rc5 32. Bb4 Rxc2 33. Rxc2 Rd1 34. Rd2 Rxd2 35. Bxd2 Kc8 36. Bc3 Kd7 37. e4 Ne7 38. f5 c6 39. bxc6+ Kxc6 40. Bb4 Kd7 41. Bxe7 Kxe7 42. Ke3 b6 43. f4 Kd6 44. Kd4 a6 45. h4 b5 46. axb5 axb5 47. e5+ fxe5+ 48. fxe5+ Kc6 49. Ke4 b4 50. Kd4 b3 51. Kc3 Kd5 52. e6 Kd6 53. Kxb3 g6 54. fxg6 Kxe6 55. Kc3 Kf6 56. Kd4 Kxg6 57. Ke4 1/2-1/2

[Event "Krakow op-B"]
[Site "Krakow"]
[Date "2022.06.25"]
[Round "1"]
[White "Marciniak, Leonard"]
[Black "Malik, Maciej"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1775"]
[BlackElo "1984"]
[PlyCount "142"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[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 d6 4. g3 Bg7 5. Bg2 0-0 6. Nf3 Nc6 7. 0-0 Bg4 8. h3 Bxf3 9. exf3 e5 10. d5 Nd4 11. Be3 Nd7 12. Ne2 Nxe2+ 13. Qxe2 f5 14. f4 Re8 15. Qd2 Qf6 16. Rab1 a5 17. b3 e4 18. Rfc1 b6 19. a4 Nc5 20. Bxc5 bxc5 21. Re1 Qf7 22. Bf1 Bd4 23. Kg2 Qf6 24. Re2 Qf7 25. Qc2 c6 26. dxc6 Qc7 27. Kh2 Qxc6 28. Qd1 Qc7 29. Bg2 Rab8 30. f3 e3 31. Qd3 Qf7 32. b4 axb4 33. Qb3 Ra8 34. Bf1 Ra7 35. Ra2 Rea8 36. Be2 Qc7 37. Bd1 Qc6 38. Kg2 Bc3 39. Qc2 d5 40. Qd3 dxc4 41. Qxc4+ Kg7 42. Bb3 Qd6 43. Rd1 Bd4 44. Re2 Qf6 45. Rc1 Re7 46. Rcc2 h6 47. Qd5 Rea7 48. Qc4 g5 49. fxg5 hxg5 50. Kf1 Qe5 51. Rg2 Rh8 52. h4 g4 53. f4 Qe4 54. Ke1 Bc3+ 55. Kd1 Qxc4 56. Bxc4 Rxa4 57. Ke2 Bd4 58. Rg1 Rha8 59. Bd5 R8a5 60. Be6 Kf6 61. Bc4 Ra1 62. Rcc1 R1a3 63. Rb1 Ra8 64. Rh1 Rc3 65. Rhc1 Raa3 66. Bd5 Rxc1 67. Rxc1 b3 68. Rb1 Ra2+ 69. Kd3 Rd2+ 70. Kc4 e2 71. Kxb3 Rd1 0-1

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.16"]
[Round "1"]
[White "Marciniak, Leonard"]
[Black "Maj, Samuel"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1775"]
[BlackElo "1935"]
[PlyCount "104"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[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. g3 0-0 5. Bg2 d6 6. Nf3 Nc6 7. 0-0 a6 8. Bf4 Nh5 9. d5 Nxf4 10. gxf4 Nb8 11. Nd4 e5 12. dxe6 fxe6 13. e3 Qe8 14. Nce2 Nc6 15. Qd2 Bd7 16. Rac1 e5 17. Nxc6 Bxc6 18. Bxc6 bxc6 19. fxe5 Qxe5 20. c5 Rad8 21. cxd6 Rxd6 22. Qb4 Qxb2 23. Qxb2 Bxb2 24. Rc2 Be5 25. Rfc1 a5 26. f4 Bg7 27. Rxc6 Rd3 28. Kf2 Re8 29. Rxc7 Rdxe3 30. R1c2 a4 31. Rb7 Bf6 32. Rb6 Bh4+ 33. Ng3 R3e4 34. Kf3 Rd4 35. Rb7 Rd3+ 36. Kg4 Bf6 37. Kh3 Rd4 38. Rcc7 h5 39. Rc6 Rxf4 40. Rc2 h4 41. Ne2 Rf2 42. Rc6 Kf8 43. Nc1 Rf1 44. Rd7 Bg5 45. Nd3 Bf6 46. Nc5 Be7 47. Nxa4 Rf3+ 48. Kg2 Re3 49. Nb6 h3+ 50. Kf1 Bh4 51. Rd1 Re1+ 52. Rxe1 Rxe1# 0-1

[Event "Zagnansk op"]
[Site "Zagnansk"]
[Date "2022.05.03"]
[Round "5"]
[White "Syrkiewicz, Michal"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2000"]
[BlackElo "1811"]
[PlyCount "109"]
[EventDate "2022.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nc3 c6 8. Nf3 b6 9. Qd2 Bb7 10. 0-0-0 Nd7 11. Kb1 Qc7 12. Bc4 0-0-0 13. Qe2 Kb8 14. Rhe1 Rde8 15. Bb3 Rhg8 16. g3 f5 17. a3 h5 18. Qe3 Nf6 19. h3 Nd7 20. h4 Bd6 21. Ne5 Nxe5 22. dxe5 Bc5 23. Qe2 Rg4 24. Rd2 Bd4 25. Qd1 Bxc3 26. bxc3 Bc8 27. Rd4 Qe7 28. Kb2 Rxd4 29. cxd4 Rh8 30. Qd2 Bb7 31. Rd1 c5 32. dxc5 Qxc5 33. Qd6+ Qxd6 34. Rxd6 Kc7 35. Kc3 Bc6 36. Bc4 Rg8 37. Be2 Bd5 38. Bxh5 Rf8 39. Kd4 f6 40. c4 fxe5+ 41. Kxe5 Bxc4 42. Bf3 Bb3 43. Rd4 b5 44. h5 Rh8 45. Kf6 a5 46. Rh4 b4 47. axb4 a4 48. h6 e5 49. h7 a3 50. Kg7 a2 51. Rh1 Bc2 52. Ra1 Rxh7+ 53. Kxh7 Bb1 54. Bd5 f4+ 55. Kg7 1-0

[Event "Zagnansk op"]
[Site "Zagnansk"]
[Date "2022.05.02"]
[Round "4"]
[White "Marciniak, Leonard"]
[Black "Skurniak, Szymon"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1811"]
[BlackElo "1960"]
[PlyCount "80"]
[EventDate "2022.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Be7 5. h3 Nbd7 6. g4 c6 7. a4 d5 8. exd5 Nxd5 9. Nxd5 cxd5 10. Bg2 h5 11. gxh5 e4 12. c4 dxc4 13. Bxe4 Nf6 14. Bg2 Rxh5 15. Nc3 Qb6 16. Qe2 Qxd4 17. Be3 Qd3 18. Qxd3 cxd3 19. Kd2 Bd7 20. Kxd3 Bc6 21. Bxc6+ bxc6 22. Ne2 0-0-0+ 23. Kc2 Kb7 24. Ng3 Ra5 25. b3 Nd5 26. Rad1 Nxe3+ 27. fxe3 Rc5+ 28. Kb1 Rg5 29. Ne4 Rgd5 30. Rxd5 cxd5 31. Ng3 Bc5 32. Rf1 f6 33. Rf3 Re8 34. Nh5 Re7 35. Rg3 Kc6 36. Nxg7 Rxe3 37. Rxe3 Bxe3 38. Nf5 d4 39. Kc2 Bf2 40. Kd3 Kd5 1/2-1/2

[Event "Zagnansk op"]
[Site "Zagnansk"]
[Date "2022.05.01"]
[Round "2"]
[White "Kulesza, Andrzej"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1998"]
[BlackElo "1811"]
[PlyCount "83"]
[EventDate "2022.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. Be2 c4 7. 0-0 Bd6 8. Re1 Ne7 9. b3 cxb3 10. axb3 Nbc6 11. Bb2 0-0 12. Nf1 Re8 13. Qd2 Ng6 14. Ne3 Bf4 15. c4 Bxe3 16. fxe3 Be6 17. Bd3 f5 18. Bc3 Rf8 19. Rf1 Qe7 20. Rae1 Rad8 21. Rf2 Nh8 22. Qe2 g6 23. Nd2 Nb4 24. Bb1 Nf7 25. g4 Ng5 26. Kg2 Ne4 27. Nxe4 fxe4 28. Ref1 Nd3 29. Rxf8+ Rxf8 30. Rxf8+ Qxf8 31. Bxd3 exd3 32. Qxd3 Bxg4 33. e4 dxe4 34. Qxe4 Qf5 35. Qe8+ Qf8 36. Qe3 Qc8 37. d5 Qf5 38. Kg3 Kf7 39. d6 Qd7 40. Qd4 Bf5 41. Qg7+ Ke6 42. Qf6# 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.13"]
[Round "9"]
[White "Chylewski, Patryk"]
[Black "Marciniak, Leonard"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2303"]
[BlackElo "1738"]
[PlyCount "98"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. d5 d6 4. Nc3 c5 5. e4 Bg7 6. Bd3 Na6 7. Nge2 Nc7 8. 0-0 0-0 9. Bg5 a6 10. a4 a5 11. f4 Na6 12. Rc1 Nb4 13. Bb1 Nd7 14. Qd2 b6 15. Nb5 f6 16. Bh4 Ba6 17. Nec3 Bxb5 18. Nxb5 Kh8 19. Rf3 Rg8 20. Rh3 Nf8 21. Re1 Qd7 22. Bg3 e6 23. dxe6 Nxe6 24. Bf2 Rad8 25. Rd1 Bf8 26. Be3 Be7 27. Qc3 Qc6 28. b3 Rg7 29. Qb2 Rdg8 30. Rh6 Nc7 31. Nc3 Re8 32. Qf2 f5 33. e5 dxe5 34. fxe5 Ne6 35. h4 Rf8 36. Nd5 Bd8 37. h5 f4 38. Nxb4 axb4 39. Rd6 Qc8 40. Bxc5 bxc5 41. hxg6 Be7 42. Rb6 Ng5 43. a5 Qc7 44. Qb2 f3 45. g3 f2+ 46. Kf1 Qd7 47. Qe2 Nf3 48. Bd3 Qd4 49. Kg2 Ne1+ 0-1

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.12"]
[Round "8"]
[White "Marciniak, Leonard"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1738"]
[BlackElo "1601"]
[PlyCount "139"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Be3 Bxf3 9. Qxf3 Qxf3 10. gxf3 Bd6 11. Nd2 Ne7 12. Rfb1 c5 13. Kf1 f6 14. c3 Nc6 15. Nc4 b5 16. Nd2 Nd8 17. a3 a5 18. c4 bxc4 19. Nxc4 Nc6 20. Rc1 Kd7 21. Rc2 g5 22. Rac1 Nd4 23. Bxd4 exd4 24. Ke2 Rhg8 25. b3 Rgb8 26. Rb2 h4 27. Kd1 Ra7 28. Kc2 Raa8 29. Rg1 Rg8 30. Rgb1 Rgb8 31. Re1 Re8 32. Re2 Re7 33. Rb1 Ree8 34. Rg1 Bh2 35. Rge1 Be5 36. Kb2 Re7 37. Ka2 Ree8 38. Rc2 Bd6 39. Nb2 Rab8 40. Na4 Rb5 41. Rec1 Kc6 42. Rc4 Reb8 43. Rxd4 Rxb3 44. Rd5 R8b5 45. Nxc5 Rb2+ 46. Ka1 Rxf2 47. Na4+ Bc5 48. Nxc5 Rbb2 49. Na4+ Rbc2 50. Rxc2+ Rxc2 51. Rxa5 Rh2 52. Rf5 Rxh3 53. Rxf6+ Kb5 54. Nc3+ Kc5 55. Kb2 Rg3 56. d4+ Kxd4 57. Ne2+ Ke3 58. Nxg3 hxg3 59. Rc6 g2 60. Rc1 Kxf3 61. e5 g4 62. e6 Kf2 63. e7 g1Q 64. Rxg1 Kxg1 65. e8Q g3 66. a4 g2 67. Qe1+ Kh2 68. a5 g1Q 69. Qxg1+ Kxg1 70. a6 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.11"]
[Round "7"]
[White "Marciniak, Leonard"]
[Black "Bojczewski, Mateusz"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1738"]
[BlackElo "1868"]
[PlyCount "99"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nbd7 6. Nf3 Nb6 7. d4 Nbxd5 8. Qb3 a6 9. Bc4 e6 10. Bg5 Nxc3 11. bxc3 Be7 12. a4 0-0 13. 0-0 Qc7 14. Rfe1 Bd7 15. Ne5 Bc6 16. Bxe6 fxe6 17. Qxe6+ Kh8 18. Nxc6 Bd6 19. Ne5 Rae8 20. Qh3 Bxe5 21. dxe5 Rxe5 22. Bxf6 gxf6 23. Qf3 Qe7 24. Rxe5 Qxe5 25. Qxb7 Qxc3 26. Rd1 Qc2 27. Qd7 Rf7 28. Qd8+ Kg7 29. Qd4 Qe2 30. h3 Rc7 31. Qd8 Re7 32. Rd3 Kf7 33. Rf3 Qe5 34. Qh8 h5 35. Qh7+ Ke6 36. Qg8+ Kd7 37. Rd3+ Kc7 38. Qd8+ Kb7 39. Rb3+ Kc6 40. Qc8+ Rc7 41. Qxa6+ Kd7 42. Qb5+ Qxb5 43. axb5 Rb7 44. Kf1 Kd6 45. Ke2 Rb6 46. Kf3 Ke5 47. Kg3 f5 48. Kh4 Kf6 49. Kxh5 Rb8 50. Kh4 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.10"]
[Round "6"]
[White "Kocierz, Pawel"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1774"]
[BlackElo "1738"]
[PlyCount "98"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 h6 9. b4 Nd7 10. b5 Ne7 11. d4 f5 12. dxe5 dxe5 13. Ba3 c5 14. bxc6 bxc6 15. Qd6 Bf6 16. Rfd1 Kf7 17. e4 Qa5 18. Bb4 Qa6 19. Bf1 c5 20. Bxc5 Nxc5 21. Qxc5 Qc6 22. Nxe5+ Bxe5 23. Qxe5 Qf6 24. Qxf6+ Kxf6 25. Nd5+ Nxd5 26. exd5 Ba6 27. c5 Bxf1 28. Kxf1 Rac8 29. Rb5 Rfd8 30. Ke2 g5 31. c6 Rc7 32. Rc5 Ke7 33. Rd3 Kd6 34. Rb5 f4 35. gxf4 gxf4 36. Kf3 Re7 37. Rd4 a6 38. Ra5 Rb8 39. Rxa6 Kc5 40. Rd2 Rd8 41. Rc2+ Kb5 42. Ra3 Rc7 43. Rb3+ Ka5 44. Rb7 Rcc8 45. Rc3 Ka4 46. Rcb3 Rxd5 47. c7 Rc5 48. R7b4+ Ka5 49. Rb8 R5xc7 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.09"]
[Round "5"]
[White "Maciejewski, Kamil"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1884"]
[BlackElo "1738"]
[PlyCount "147"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. d4 Ngf6 4. Bg2 e6 5. 0-0 b5 6. a4 c6 7. Ne5 Bb7 8. axb5 cxb5 9. Qd3 a6 10. Nxd7 Qxd7 11. Nd2 Be7 12. Nf3 0-0 13. Ne5 Qc7 14. Bd2 Rac8 15. Rfc1 Bd6 16. Ba5 Qe7 17. Qb3 Rfe8 18. e3 h5 19. Nd3 Rc4 20. c3 e5 21. Bb4 Bxb4 22. Nxb4 exd4 23. exd4 Qd6 24. Nd3 Rc7 25. Re1 Rxe1+ 26. Rxe1 Re7 27. Re5 Ng4 28. Rxe7 Qxe7 29. h3 Nf6 30. Qd1 Qd6 31. Qe2 g6 32. Nc5 Bc8 33. Qe5 Qc6 34. Nd3 a5 35. Qe7 Qe6 36. Qd8+ Kg7 37. Ne5 a4 38. h4 Qf5 39. Bxd5 Nxd5 40. Qxd5 Be6 41. Qb7 Qb1+ 42. Kg2 Bc4 43. Nxc4 bxc4 44. Qb4 Qe4+ 45. Kh2 Qe2 46. Qb7 Qxf2+ 47. Qg2 Qe3 48. Qc2 Qd3 49. Qf2 a3 50. bxa3 Qxc3 51. a4 Qd3 52. Qf4 c3 53. Qe5+ Kh7 54. Qc7 Qe2+ 55. Kg1 Qd1+ 56. Kg2 Qc2+ 57. Kg1 Qd1+ 58. Kg2 Qe2+ 59. Kg1 Qe1+ 60. Kg2 Qd2+ 61. Kh3 Qxd4 62. Qxf7+ Qg7 63. Qc4 Qd7+ 64. Kg2 Qd2+ 65. Kf3 Kg7 66. Qc7+ Kf6 67. Qb6+ Ke5 68. Qe3+ Kd5 69. Qxd2+ cxd2 70. Ke2 Kc4 71. Kxd2 Kb4 72. Ke3 Kxa4 73. Kf4 Kb5 74. Kg5 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.08"]
[Round "4"]
[White "Marciniak, Leonard"]
[Black "Paprocki, Antoni"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1738"]
[BlackElo "1889"]
[PlyCount "76"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 b6 7. Nc3 Nxc3 8. bxc3 Bb7 9. Bd3 Qc7 10. Bd2 d6 11. 0-0 Nd7 12. exd6 Bxd6 13. Re1 0-0 14. c4 Rac8 15. Bc3 Bf4 16. g3 Bh6 17. Nd2 Nf6 18. f4 Qc6 19. Ne4 Nxe4 20. Bxe4 Qxc4 21. Bxb7 Rc7 22. Be4 Qxc3 23. Rc1 Qxc1 24. Qxc1 Rxc1 25. Rxc1 g5 26. f5 g4 27. Rd1 Rc8 28. fxe6 fxe6 29. d5 exd5 30. Bxd5+ Kg7 31. Bb3 Rc7 32. Kg2 Be3 33. h3 gxh3+ 34. Kxh3 a5 35. Rd3 Bc5 36. a4 Re7 37. Bd5 Rd7 38. Bc4 Rxd3 1/2-1/2

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.07"]
[Round "3"]
[White "Redzisz, Michal"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2261"]
[BlackElo "1738"]
[PlyCount "61"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 h5 6. Qb3 Nb6 7. Ng5 e6 8. g3 Bg7 9. Bg2 0-0 10. d3 Nc6 11. Be3 Bd7 12. 0-0 Nd4 13. Bxd4 Bxd4 14. Bxb7 Rb8 15. Bf3 Na4 16. Qc4 c5 17. Nxa4 Rb4 18. Qc1 Bxa4 19. Rb1 Qb8 20. Ne4 f5 21. Qh6 fxe4 22. Qxg6+ Bg7 23. Qxe6+ Kh8 24. Bxe4 Rxe4 25. dxe4 Bc2 26. Rbc1 Bd4 27. Qh6+ Kg8 28. Qg6+ Kh8 29. Rxc2 Rf6 30. Qxh5+ Kg7 31. e3 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.06"]
[Round "1"]
[White "Dalkowski, Rafal"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "2126"]
[BlackElo "1738"]
[PlyCount "63"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Rc1 Be6 7. Nf3 0-0 8. Be2 h6 9. cxd5 Nxd5 10. Nxd5 Bxd5 11. 0-0 Nd7 12. Qc2 Bxf3 13. Bxf3 e5 14. dxe5 Nxe5 15. Be2 Qe7 16. Qe4 f5 17. Qa4 a6 18. e4 g5 19. Be3 Rfe8 20. exf5 Kh8 21. Rfd1 Rad8 22. Qe4 Qf7 23. Rxd8 Rxd8 24. h4 g4 25. Bxg4 Nxg4 26. Qxg4 Bxb2 27. Rc4 Qd5 28. Bxh6 Be5 29. Rc1 Qf7 30. Re1 Re8 31. g3 c5 32. Qe4 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.06"]
[Round "2"]
[White "Marciniak, Leonard"]
[Black "Jedrusik, Adam"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1738"]
[BlackElo "1995"]
[PlyCount "88"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. a3 Nf6 7. d3 Nbd7 8. g4 g6 9. Bg2 Bg7 10. 0-0 Qc7 11. d4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qe2 0-0-0 15. c3 h5 16. g5 Nd5 17. Be3 Rhe8 18. Rad1 Bf8 19. c4 Nf4 20. Bxf4 Qxf4 21. Qe3 Bd6 22. Qxf4 Bxf4 23. h4 Kc7 24. Be4 Rd7 25. Rd3 Red8 26. Rfd1 c5 27. dxc5 Rxd3 28. Rxd3 Rxd3 29. Bxd3 Bc1 30. b3 Bxa3 31. Be4 Bxc5 32. Kg2 b6 33. Kg3 Kd6 34. Kf3 Bb4 35. Bc2 Ke7 36. Bd3 Kf8 37. Bc2 Kg7 38. Be4 Bd6 39. Bc6 a5 40. Bd7 Bc5 41. Kg3 e5 42. Bc6 f6 43. gxf6+ Kxf6 44. Be4 g5 1/2-1/2

[Event "Poronin Tatra Limba op"]
[Site "Poronin"]
[Date "2021.05.28"]
[Round "9"]
[White "Pniaczek, Marek"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2199"]
[BlackElo "1799"]
[PlyCount "109"]
[EventDate "2021.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nc6 8. Nb3 Nf6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd7 13. Qf3 0-0-0 14. Bg5 Bc6 15. Nxc6 Qxc6 16. Qxc6+ bxc6 17. Re5 Kb7 18. Rae1 Bd6 19. R5e3 Rd7 20. Bc4 Bc5 21. Rc3 Bb6 22. Rb3 Nd5 23. a4 Ka7 24. Rd3 h6 25. Bh4 g5 26. Bg3 Rhd8 27. Red1 Nf6 28. Kf1 Rxd3 29. Rxd3 Ne4 30. Ke2 Rxd3 31. Bxd3 Nc5 32. b3 Kb7 33. Bh7 f5 34. Be5 Bc7 35. Bg7 h5 36. h4 Bd8 37. Bg6 gxh4 38. Bxh5 Bg5 39. Bd4 Nd7 40. Bf7 e5 41. Bc3 Bf6 42. Be6 Nb6 43. f4 Nd5 44. Bxd5 cxd5 45. fxe5 Bg5 46. Bb4 Kc6 47. e6 Bf6 48. Kf3 Bg5 49. Bf8 Kc7 50. b4 Bd2 51. b5 axb5 52. axb5 Kd8 53. b6 Ba5 54. Bc5 Bd2 55. e7+ 1-0

[Event "Poronin Tatra Limba op"]
[Site "Poronin"]
[Date "2021.05.26"]
[Round "7"]
[White "Malecki, Rafal"]
[Black "Marciniak, Leonard"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1959"]
[BlackElo "1799"]
[PlyCount "100"]
[EventDate "2021.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bg4 5. d3 Nbd7 6. Nbd2 e5 7. b3 Bd6 8. Bb2 Qe7 9. e4 d4 10. Qe1 Bxf3 11. Nxf3 0-0-0 12. c3 dxc3 13. Qxc3 Rhg8 14. a3 g5 15. Rfe1 Bc7 16. d4 exd4 17. Nxd4 Ne5 18. b4 Nfg4 19. Rad1 Bb6 20. Bh3 h5 21. Kg2 Kb8 22. f3 Bxd4 23. Rxd4 Rxd4 24. Qxd4 Rd8 25. Qc3 Rd3 26. Qc1 Nxf3 27. Re2 Nfxh2 28. Qc4 Qd6 29. e5 Qd5+ 30. Qxd5 cxd5 31. Bc1 Nf3 32. e6 fxe6 33. Rxe6 Rc3 34. Bxg4 hxg4 35. Be3 Rxa3 36. Bc5 Ra2+ 37. Kf1 Nd2+ 38. Ke1 Ne4 39. Bd4 Kc7 40. Re7+ Kc6 41. b5+ Kxb5 42. Rxb7+ Kc4 43. Bxa7 Nxg3 44. Bb8 Ne4 45. Be5 g3 46. Kf1 g4 47. Rg7 Nd2+ 48. Kg2 Nf3+ 49. Kxg3 Nxe5 50. Kf4 Re2 0-1

[Event "Poronin Tatra Limba op"]
[Site "Poronin"]
[Date "2021.05.26"]
[Round "6"]
[White "Marciniak, Leonard"]
[Black "Budkiewicz, Magdalena"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1799"]
[BlackElo "1984"]
[PlyCount "101"]
[EventDate "2021.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. 0-0 Nf6 8. c4 Bc6 9. Nc3 e6 10. Bg5 Be7 11. b4 h6 12. Bh4 Rc8 13. a4 0-0 14. a5 d5 15. exd5 exd5 16. b5 axb5 17. cxb5 Bd7 18. Bg3 Bc5 19. Qd3 Ne4 20. Nxe4 dxe4 21. Qxe4 Bxb5 22. Rfd1 Qe7 23. Qxe7 Bxe7 24. Nd4 Ba6 25. Nf5 Bf6 26. Rab1 Rc5 27. Nd6 Rd8 28. Ne4 Rxd1+ 29. Rxd1 Rxa5 30. Nxf6+ gxf6 31. h3 Kg7 32. Rd6 Ra4 33. Rb6 Rc4 34. Kh2 Kg6 35. Bb8 Rc6 36. Rxc6 bxc6 37. g4 f5 38. Be5 c5 39. Kg3 f6 40. Bc3 Bf1 41. Bd2 fxg4 42. hxg4 h5 43. gxh5+ Kxh5 44. Kf4 Bd3 45. Ke3 c4 46. Kd4 Kg4 47. f4 Kf3 48. Kc3 Ke2 49. Bc1 Kd1 50. Ba3 f5 51. Bd6 1/2-1/2

[Event "Poronin Tatra Limba op"]
[Site "Poronin"]
[Date "2021.05.25"]
[Round "5"]
[White "Krawczyk, Flawian"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2014"]
[BlackElo "1799"]
[PlyCount "57"]
[EventDate "2021.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Re8 10. Bd3 Na6 11. 0-0 Nc7 12. a4 Bf5 13. Bxf5 gxf5 14. Nh4 Qd7 15. Qf3 Re5 16. Bf4 Ree8 17. Bh2 Ne4 18. Nxf5 Nxc3 19. bxc3 Bf8 20. Bxd6 Kh8 21. Bg3 f6 22. Rab1 Na6 23. Nd6 Bxd6 24. Qxf6+ Qg7 25. Qxg7+ Kxg7 26. Bxd6 b6 27. Rfe1 Rad8 28. Bg3 h5 29. a5 1-0

[Event "Poronin Tatra Limba op"]
[Site "Poronin"]
[Date "2021.05.24"]
[Round "4"]
[White "Marciniak, Leonard"]
[Black "Sliwerski, Radoslaw"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1799"]
[BlackElo "2035"]
[PlyCount "98"]
[EventDate "2021.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. Nc3 Nf6 8. Bg5 e6 9. 0-0-0 Be7 10. e5 dxe5 11. Nxe5 Bc6 12. Bxf6 Bxf6 13. Qxd8+ Rxd8 14. Rxd8+ Bxd8 15. Nxc6 bxc6 16. Kd2 Bb6 17. Ke2 Ke7 18. Rd1 Rd8 19. Rxd8 Kxd8 20. f3 f5 21. Kd3 Kd7 22. Ne2 e5 23. b4 Bc7 24. c4 Bd6 25. c5 e4+ 26. fxe4 fxe4+ 27. Kxe4 Bxh2 28. g3 Ke6 29. Kf3 Kd5 30. Kg2 Kc4 31. a3 a5 32. Kxh2 axb4 33. axb4 Kxb4 34. Nd4 Kxc5 35. Ne6+ Kd5 36. Nxg7 c5 37. Nf5 Ke5 38. Ne3 Kd4 39. Nd1 c4 40. Kh3 c3 41. Nxc3 Kxc3 42. Kg4 Kd3 43. Kf3 Kd4 44. Kf4 Kd3 45. Kf5 Ke3 46. Kg5 Kf3 47. g4 Kg3 48. Kh5 h6 49. Kxh6 Kxg4 1/2-1/2

[Event "Poronin Tatra Limba op"]
[Site "Poronin"]
[Date "2021.05.24"]
[Round "3"]
[White "Sowinski, Pawel"]
[Black "Marciniak, Leonard"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2068"]
[BlackElo "1799"]
[PlyCount "66"]
[EventDate "2021.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e4 Nge7 6. Nge2 0-0 7. d3 d6 8. Be3 Nd4 9. 0-0 c5 10. Qd2 Bh3 11. f4 Bxg2 12. Kxg2 f5 13. fxe5 dxe5 14. Bg5 Qd7 15. Bxe7 Qxe7 16. Nd5 Qd7 17. Nxd4 cxd4 18. Qg5 Kh8 19. a4 Rac8 20. b3 Qe6 21. Rae1 h6 22. Qe7 Qf7 23. h4 h5 24. Rf2 Rce8 25. Qg5 Kh7 26. exf5 gxf5 27. Qd2 Qg6 28. Qe2 Bh6 29. Nc7 Qc6+ 30. Nd5 Qg6 31. Nc7 Qc6+ 32. Nd5 Qg6 33. Nc7 Qc6+ 1/2-1/2

[Event "Poronin Tatra Limba op"]
[Site "Poronin"]
[Date "2021.05.23"]
[Round "2"]
[White "Marciniak, Leonard"]
[Black "Praczukowski, Stanislaw"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1799"]
[BlackElo "2197"]
[PlyCount "44"]
[EventDate "2021.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. 0-0 e5 8. Qd3 Rc8 9. c4 b5 10. Nbd2 Nf6 11. b3 Be7 12. Bb2 0-0 13. Rac1 Bc6 14. Rfe1 bxc4 15. bxc4 Nd7 16. Ba3 Nc5 17. Bxc5 dxc5 18. Qc3 Bf6 19. Rb1 Qc7 20. Qa3 Qa7 21. Qa5 Bd8 22. Qc3 f6 1/2-1/2

[Event "Poronin Tatra Limba op"]
[Site "Poronin"]
[Date "2021.05.22"]
[Round "1"]
[White "Goraj, Barbara"]
[Black "Marciniak, Leonard"]
[Result "1/2-1/2"]
[ECO "E99"]
[WhiteElo "2100"]
[BlackElo "1799"]
[PlyCount "105"]
[EventDate "2021.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Rc1 Ng6 14. c5 Nf6 15. cxd6 cxd6 16. Nb5 Rf7 17. Nxa7 Bd7 18. Qb3 g4 19. Bb6 Qf8 20. Nb5 Bxb5 21. Bxb5 Bh6 22. Rc2 gxf3 23. gxf3 Rg7 24. Kh1 Nh5 25. Rg2 Qf6 26. Bf2 Kh8 27. Rg4 Bg5 28. Rfg1 h6 29. a4 Rag8 30. Bf1 Qe7 31. Bh3 Nf6 32. R4g2 Nf8 33. Bf5 Nh5 34. Rg4 Nf6 35. R4g2 Nh5 36. a5 Bh4 37. Rxg7 Rxg7 38. Rxg7 Nxg7 39. Qc2 Bxf2 40. Qxf2 Nxf5 41. exf5 Nd7 42. Qa7 Nc5 43. f6 Qxf6 44. b4 Qh4 45. Qb8+ Kg7 46. Qc7+ Kh8 47. Qc8+ Kh7 48. Qf5+ Kh8 49. Nd3 Nxd3 50. Qf8+ Kh7 51. Qf7+ Kh8 52. Qf8+ Kh7 53. Qf7+ 1/2-1/2

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.21"]
[Round "9"]
[White "Trybus, Daniel"]
[Black "Marciniak, Leonard"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2021"]
[BlackElo "1779"]
[PlyCount "146"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bd3 Qa5 8. Bd2 c4 9. Be2 Bd7 10. f4 Na6 11. Nf3 0-0-0 12. 0-0 f5 13. Qe1 Rdf8 14. Qg3 g6 15. Qh4 Qd8 16. Qh6 Ba4 17. Ng5 Nc7 18. Bd1 Nc6 19. g4 Qd7 20. gxf5 exf5 21. Rf2 Nd8 22. Rg2 Nde6 23. Nxe6 Nxe6 24. Be1 Qg7 25. Qxg7 Nxg7 26. Bh4 Ne6 27. Rf2 Rhg8 28. Kh1 Kd7 29. Bf6 Rb8 30. h4 h5 31. Kg2 Nf8 32. Re2 Ke6 33. Bg5 Nh7 34. Bh6 Nf8 35. Kf3 Nd7 36. Rg2 Nb6 37. Ke3 Bc6 38. Bf3 Kf7 39. Rag1 Rbe8 40. Rg5 Bd7 41. R5g2 Be6 42. Kd2 Rb8 43. Bg5 Nd7 44. a4 b6 45. Ra1 a6 46. Kc1 Rh8 47. Kb2 b5 48. Rgg1 bxa4+ 49. Ka3 Rb5 50. Rab1 Rhb8 51. Rb4 Rxb4 52. cxb4 Nb6 53. c3 Bd7 54. Bf6 Rg8 55. Bd1 Bc6 56. Rg3 Bd7 57. Rg2 Bb5 58. Bg5 Ra8 59. e6+ Kxe6 60. Re2+ Kd6 61. Be7+ Kc7 62. Bf6 Re8 63. Rg2 Re1 64. Bc2 Be8 65. Be5+ Kc6 66. Rg3 Ra1+ 67. Kb2 Rh1 68. Re3 Rh2 69. Re1 a3+ 70. Kc1 a2 71. Kb2 Na4+ 72. Ka3 Rxc2 73. Kxa4 Rxc3 0-1

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.20"]
[Round "8"]
[White "Marciniak, Leonard"]
[Black "Grzegorski, Michal"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1779"]
[BlackElo "1793"]
[PlyCount "78"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 Nf6 4. f4 g6 5. Nf3 Bg7 6. Bb5+ Bd7 7. Be2 Nc6 8. 0-0 0-0 9. Ne5 Nxe5 10. Bxe5 Ne4 11. Bxg7 Kxg7 12. d3 Nd6 13. Bf3 Bc6 14. Qe1 e6 15. Nd2 Rc8 16. Qf2 f6 17. e4 d4 18. g4 e5 19. Qg3 Qe7 20. Bg2 g5 21. f5 b5 22. Nf3 a5 23. Qe1 Qc7 24. h4 h6 25. Qd2 Nf7 26. a3 c4 27. Kf2 Bb7 28. Rac1 Qb6 29. Rh1 Rc7 30. hxg5 hxg5 31. Rh5 Rfc8 32. Rhh1 cxb3 33. cxb3 Bxe4 34. dxe4 Rc2 35. Rhd1 Rxd2+ 36. Nxd2 d3+ 37. Kf3 Rc2 38. Rxc2 dxc2 39. Rc1 Qd4 0-1

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.19"]
[Round "7"]
[White "Marciniak, Leonard"]
[Black "Gardian, Adam"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1779"]
[BlackElo "1829"]
[PlyCount "89"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8. Qd2 Be6 9. 0-0-0 Qd7 10. Kb1 0-0-0 11. h3 Bf6 12. g4 Ne5 13. Qe3 Qc6 14. Bg2 Qa6 15. b3 Nc4 16. bxc4 Bxc4 17. Nd4 Rhe8 18. Qf3 Bxd4 19. Rxd4 Qxa2+ 20. Kc1 Qa3+ 21. Kd2 Re2+ 22. Kd1 Ba6 23. Bc1 Qa2 24. Rd2 Re5 25. Bf1 Bxf1 26. Rxf1 Rde8 27. Rd4 a5 28. Qd3 Qe6 29. Be3 Kd7 30. Qc4 Qe7 31. Rd5 Qf6 32. Rxe5 Rxe5 33. Re1 b5 34. Qb3 a4 35. Qa2 Qf3+ 36. Kc1 Kc6 37. c4 Re4 38. cxb5+ Kd7 39. Qd5 a3 40. Qb3 Re5 41. Qxa3 Rxb5 42. Qa4 Qc6 43. Qd4 Rd5 44. Qxg7 Qa4 45. Qc3 1-0

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.18"]
[Round "6"]
[White "Strepikowski, Pawel"]
[Black "Marciniak, Leonard"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1756"]
[BlackElo "1779"]
[PlyCount "132"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. a3 Qxe5 12. Re1 Qd6 13. Qf3 Bc6 14. Bf4 Qd7 15. Rad1 Nf6 16. Qe2 Bd6 17. Bg5 h6 18. Bxf6 gxf6 19. Bf5 Be5 20. Bh3 Bxc3 21. bxc3 0-0-0 22. Qe3 f5 23. Rd2 Qc7 24. Rb2 Qd6 25. Qa7 Rhg8 26. g3 d4 27. Bg2 Bxg2 28. Kxg2 Rd7 29. cxd4 Qc6+ 30. Kg1 b5 31. Qc5 Qxc5 32. dxc5 Rd4 33. Rc1 Kc7 34. Kf1 Kc6 35. Ke2 Rgd8 36. Rc3 R8d5 37. Rbc2 a5 38. Ke3 Re4+ 39. Kf3 b4 40. axb4 axb4 41. Rb3 Rxc5 42. Ra2 Kb5 43. Rb1 Rc3+ 44. Kg2 b3 45. Ra7 Rb4 46. Rxf7 Kc4 47. Re7 b2 48. Rxe6 Kd5 49. Re2 Rcb3 50. Kf1 Kc4 51. Ke1 Kc3 52. Rd2 Ra3 53. Kd1 Ra2 54. h3 Re4 55. Rd8 Raa4 56. Rd2 Ra2 57. Rd8 Rb4 58. Rd2 h5 59. h4 Rd4 60. Rxd4 Ra1 61. Rc4+ Kxc4 62. Kc2 Rxb1 63. Kxb1 Kd3 64. f3 Ke3 65. g4 fxg4 66. fxg4 hxg4 0-1

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.17"]
[Round "5"]
[White "Marciniak, Leonard"]
[Black "Ciborowski, Konrad Jr"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1779"]
[BlackElo "1762"]
[PlyCount "50"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 b5 8. g4 b4 9. Nd5 Nxd5 10. exd5 Be7 11. Ng3 0-0 12. Qf3 Bg5 13. Bd3 Bxc1 14. Rxc1 Qg5 15. Rd1 a5 16. Ne4 Qe7 17. g5 Nd7 18. Qh5 g6 19. Qh4 f5 20. gxf6 Nxf6 21. Ng5 Nh5 22. Nf3 Qg7 23. Qe4 Bf5 24. Qe3 e4 25. Bxe4 Bxe4 0-1

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.16"]
[Round "4"]
[White "Distel, Pawel"]
[Black "Marciniak, Leonard"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1890"]
[BlackElo "1779"]
[PlyCount "75"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bc4 e6 6. e5 d5 7. exd6 Qxd6 8. Ne4 Qe7 9. d3 b6 10. 0-0 Bb7 11. c3 0-0-0 12. Qa4 Na5 13. Be3 Nxc4 14. Qxc4 Bd5 15. Qa6+ Qb7 16. Qxb7+ Bxb7 17. Rad1 f6 18. Ng3 Ne7 19. d4 Nd5 20. Bc1 c4 21. Rde1 Rhe8 22. Ne4 Kd7 23. Rf2 a5 24. Rfe2 Rc8 25. g4 f5 26. Neg5 fxg4 27. Ne5+ Bxe5 28. Rxe5 h5 29. Nxe6 Nc7 30. Nxc7 Rxe5 31. fxe5 Rxc7 32. e6+ Ke8 33. Bf4 Rg7 34. Re5 g5 35. Bxg5 Rg6 36. d5 Bc8 37. Kf2 b5 38. Kg3 1-0

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.15"]
[Round "3"]
[White "Marciniak, Leonard"]
[Black "Koziorowicz, Michal"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1779"]
[BlackElo "2180"]
[PlyCount "126"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. g3 Nc6 6. Bg2 d6 7. exd6 Bxd6 8. 0-0 0-0 9. d4 c4 10. Qe2 Na5 11. Nbd2 b5 12. a3 Bb7 13. Re1 Qb6 14. h4 Nf6 15. Ng5 h6 16. Nge4 Nxe4 17. Nxe4 Bxe4 18. Qxe4 Nb3 19. Rb1 Nxc1 20. Rbxc1 Rab8 21. Bf3 a5 22. Kg2 Rfd8 23. Red1 b4 24. cxb4 axb4 25. Rxc4 bxa3 26. bxa3 Bxa3 27. Rc6 Qb2 28. Rc2 Qb3 29. Qd3 Bd6 30. Qxb3 Rxb3 31. Re2 Rb4 32. Re4 g6 33. Re3 Kg7 34. Be2 Kf6 35. Red3 Ke7 36. f4 g5 37. hxg5 hxg5 38. fxg5 Rg8 39. Ra1 Rb7 40. Ra5 Bc7 41. Rc5 Bb8 42. Rf3 Ba7 43. Rc2 Bxd4 44. Ba6 Ra7 45. Bc4 Rxg5 46. Rd2 Be5 47. Rdf2 f5 48. Re2 Kf6 49. Rfe3 f4 50. Rf3 Rag7 51. Ra2 Rxg3+ 52. Rxg3 Rxg3+ 53. Kf1 Rc3 54. Be2 f3 55. Bd1 Bg3 56. Ra8 Rc1 57. Rf8+ Kg5 58. Rg8+ Kf4 59. Rf8+ Ke4 60. Rd8 Ke3 61. Rd7 Be5 62. Ke1 Bc3+ 63. Kf1 Bd2 0-1

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.14"]
[Round "2"]
[White "Marciniak, Leonard"]
[Black "Dalkowski, Rafal"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1779"]
[BlackElo "1989"]
[PlyCount "60"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bf4 e6 12. 0-0-0 Be7 13. Kb1 Qb6 14. Ne4 Nxe4 15. Qxe4 Nf6 16. Qe2 Nd5 17. Bd2 Ba3 18. b3 c5 19. c4 Nf6 20. Bc3 0-0-0 21. Ne5 cxd4 22. Nxf7 dxc3 23. Rxd8+ Rxd8 24. Nxd8 Kxd8 25. Rd1+ Ke7 26. Qf3 Bb4 27. Qg3 Nxh5 28. Qb8 Nf6 29. Qh8 Kf7 30. Qb8 Qxf2 0-1

[Event "POL-ch U18"]
[Site "Szklarska Poreba"]
[Date "2021.03.13"]
[Round "1"]
[White "Bachor, Tomasz"]
[Black "Marciniak, Leonard"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2035"]
[BlackElo "1779"]
[PlyCount "81"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bc4 Nd7 12. 0-0 b6 13. Rfe1 Bb7 14. Rad1 Rc8 15. Bb3 Qe7 16. d5 exd5 17. Nd4 Nc5 18. Bxd5 Rfd8 19. Nf5 Qf6 20. Qf4 Bxd5 21. exd5 Rd7 22. d6 Kf8 23. Qg4 Rcd8 24. Qh3 h6 25. Re2 Ne6 26. Red2 Nc5 27. g3 Ne4 28. Rd3 Qb2 29. Qg2 Nc5 30. R3d2 Qe5 31. Rd5 Qf6 32. Qh3 Ne4 33. R5d3 Qb2 34. Qg2 Nc5 35. R3d2 Qe5 36. Qf3 Qe4 37. Kg2 Qxf3+ 38. Kxf3 Nb7 39. g4 g6 40. Nxh6 Rxd6 41. Rxd6 1/2-1/2

