[Event "POL-chT 2nd League"]
[Site "Poronin"]
[Date "2020.09.13"]
[Round "9.11"]
[White "Kowalak, Piotr"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B91"]
[WhiteElo "2105"]
[BlackElo "2079"]
[PlyCount "38"]
[EventDate "2020.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]
[WhiteTeam "Legnica Miedz"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be6 8. Bg2 b5 9. 0-0 Be7 10. a4 bxa4 11. Rxa4 Nbd7 12. Nd5 Nb6 13. Ra2 Nfxd5 14. exd5 Bd7 15. Na5 0-0 16. c4 Qc7 17. b3 f5 18. f4 exf4 19. gxf4 Na4 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Poronin"]
[Date "2020.09.12"]
[Round "8.18"]
[White "Lach, Piotr"]
[Black "Ziemniak, Piotr"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2079"]
[BlackElo "1741"]
[PlyCount "107"]
[EventDate "2020.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Rzeszow RzKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. Nf3 g6 5. e4 Bg7 6. Be2 e5 7. 0-0 0-0 8. Nd2 Ne8 9. Nc4 f5 10. exf5 gxf5 11. f4 e4 12. Be3 Nd7 13. a4 Nb6 14. a5 Nxc4 15. Bxc4 Bd7 16. Ra2 Qh4 17. Qe1 Qh5 18. Be2 Qf7 19. Qd1 Nf6 20. g3 h5 21. h4 Kh7 22. Kf2 Rg8 23. Rg1 Ng4+ 24. Bxg4 hxg4 25. Nb1 Bf6 26. Rh1 Qg7 27. c3 Bb5 28. Nd2 Bd3 29. Qb3 Rgc8 30. Nc4 Rd8 31. Bd2 Qe7 32. Ne3 Qd7 33. Qa4 Qc8 34. b4 c4 35. Raa1 Rf8 36. Qb5 Bd8 37. Qa4 a6 38. Qa2 b5 39. Rh2 Qb7 40. Re1 Bc7 41. Kg1 Rae8 42. Qb2 Bb8 43. Bc1 Ba7 44. Qf2 Re7 45. Bd2 Rg7 46. Rg2 Qf7 47. Rh2 Re8 48. Rg2 Qf6 49. Rh2 Rge7 50. Kg2 Qf7 51. Kg1 Bc2 52. Bc1 Bb3 53. Qd2 Qf6 54. Kf1 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Poronin"]
[Date "2020.09.11"]
[Round "7.20"]
[White "Pasionek, Ariel"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1894"]
[BlackElo "2079"]
[PlyCount "44"]
[EventDate "2020.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]
[WhiteTeam "Ustrzyki Dolne"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. Ne2 e6 6. 0-0 Nf6 7. d3 Be7 8. Nd2 0-0 9. Ng3 e5 10. Bxc6 bxc6 11. h3 Ne8 12. f4 exf4 13. Rxf4 Bg5 14. Rf1 d5 15. Nf3 Bf4 16. Nh5 Be3+ 17. Kh1 d4 18. Bc1 Bxc1 19. Qxc1 Qe7 20. Qf4 f6 21. Rae1 g6 22. Ng3 Ng7 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Poronin"]
[Date "2020.09.10"]
[Round "6.18"]
[White "Lach, Piotr"]
[Black "Lamza, Zenon"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2079"]
[BlackElo "2220"]
[PlyCount "27"]
[EventDate "2020.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Rydultowy Ognisko"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nc3 g6 3. Bf4 d6 4. e4 Bg7 5. Qd2 c6 6. f3 Qa5 7. Nge2 e5 8. Bh6 0-0 9. Bxg7 Kxg7 10. h4 h5 11. Nc1 exd4 12. Qxd4 Qe5 13. Qxe5 dxe5 14. Nd3 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Poronin"]
[Date "2020.09.09"]
[Round "5.14"]
[White "Mondrzycki, Bartlomiej"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2167"]
[BlackElo "2079"]
[PlyCount "37"]
[EventDate "2020.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]
[WhiteTeam "Wisznia Mala Bialy Krol II"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. Nc3 0-0 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne5 Bxg2 11. Kxg2 d6 12. Qf3 Nd7 13. Nc6 Qe8 14. b4 Bf6 15. Bb2 e5 16. d5 Nb8 17. Nxb8 e4 18. Qb3 Bxb2 19. Qxb2 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Poronin"]
[Date "2020.09.07"]
[Round "3.15"]
[White "Lach, Piotr"]
[Black "Zawierucha, Aleksander"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2079"]
[BlackElo "1899"]
[PlyCount "25"]
[EventDate "2020.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Zory Roszada"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 c5 5. Nb5 Na6 6. c3 Be7 7. dxc5 Bxc5 8. Bd3 0-0 9. Nf3 Qb6 10. a4 Bd7 11. 0-0 Be7 12. a5 Qd8 13. Ne5 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Poronin"]
[Date "2020.09.06"]
[Round "2.10"]
[White "Sokolowski, Ryszard"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1993"]
[BlackElo "2079"]
[PlyCount "65"]
[EventDate "2020.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]
[WhiteTeam "Koszalin Hetman Politechnika"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 Qe7 12. Bd3 c6 13. Bg5 Bd4 14. Rc1 Nbd7 15. Rf1 h6 16. Bh4 0-0-0 17. b4 Kb8 18. dxc6 bxc6 19. c5 g5 20. Bg3 Rhg8 21. Ne2 Kb7 22. Nxd4 exd4 23. Bd6 Qe6 24. Kd2 g4 25. hxg4 Rxg4 26. Rce1 Rdg8 27. Re2 Qa2+ 28. Bc2 d3 29. Qxd3 Rxg2 30. Rff2 Rxf2 31. Rxf2 Rg4 32. Re2 Qe6 33. b5 1-0

[Event "POL-chT 2nd League"]
[Site "Poronin"]
[Date "2020.09.05"]
[Round "1.9"]
[White "Lach, Piotr"]
[Black "Malecki, Rafal"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2079"]
[BlackElo "2025"]
[PlyCount "29"]
[EventDate "2020.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Chroscice Victoria"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 g6 2. Nc3 d6 3. Bf4 Bg7 4. Qd2 c6 5. Nf3 Nd7 6. e4 e5 7. dxe5 dxe5 8. Bg5 Ngf6 9. 0-0-0 h6 10. Bh4 g5 11. Bg3 Qe7 12. Nxe5 Nxe5 13. Bxe5 Nxe4 14. Nxe4 Bxe5 15. Nd6+ 1/2-1/2

[Event "SVK-ch Amateur"]
[Site "Topolcany"]
[Date "2020.07.13"]
[Round "6"]
[White "Kleman, Miroslav"]
[Black "Lach, Piotr"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2198"]
[BlackElo "2086"]
[PlyCount "78"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. b4 cxb4 4. d4 Nf6 5. Bd3 e6 6. a3 d5 7. e5 Ne4 8. 0-0 Be7 9. axb4 0-0 10. c3 f5 11. exf6 gxf6 12. Re1 f5 13. Ne5 Nd7 14. Nxd7 Bxd7 15. f3 Nd6 16. Bf4 Nf7 17. Nd2 Bg5 18. Bxg5 Qxg5 19. Qe2 a6 20. Nb3 Rae8 21. Nc5 Bc8 22. Qf2 f4 23. c4 Re7 24. Qa2 Qf6 25. Qf2 Rfe8 26. Ra2 Nd6 27. Rc2 b6 28. Nb3 dxc4 29. Bxc4 Nxc4 30. Rxc4 Bb7 31. Re5 Bd5 32. Rc3 Rg7 33. Nd2 Qe7 34. Ne4 Kh8 35. Qb2 Reg8 36. Rc2 Qh4 37. Rf2 Rg6 38. Nc3 Bc4 39. Ne2 Rxg2+ 0-1

[Event "SVK-ch Amateur"]
[Site "Topolcany"]
[Date "2020.07.13"]
[Round "7"]
[White "Lach, Piotr"]
[Black "Bochnicka, Vladimir"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2086"]
[BlackElo "2123"]
[PlyCount "92"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 g6 5. e5 Ng4 6. Bxc6 dxc6 7. h3 Nh6 8. g4 Bg7 9. d3 0-0 10. Be3 f6 11. exf6 exf6 12. Bxc5 Re8+ 13. Kf1 f5 14. g5 Nf7 15. Be3 b6 16. Bf4 Bb7 17. h4 c5 18. Rh3 Qd7 19. a4 Qc6 20. Qd2 c4 21. d4 Rad8 22. d5 Bxc3 23. Qxc3 Qxd5 24. h5 gxh5 25. Re1 Re6 26. Rxe6 Qxe6 27. Qe3 Qxe3 28. Bxe3 Be4 29. a5 bxa5 30. Bxa7 Bxc2 31. Bb6 Rd5 32. Nd4 Bd3+ 33. Ke1 Nxg5 34. Rxh5 f4 35. Rh6 Rxd4 36. Bxd4 Nf3+ 37. Kd1 Nxd4 38. Rf6 Nf5 39. Ra6 h5 40. Rxa5 h4 41. Ra8+ Kg7 42. f3 h3 43. Ra7+ Kg6 44. Kd2 h2 45. Ra1 Ng3 46. b4 Nf1+ 0-1

[Event "SVK-ch Amateur"]
[Site "Topolcany"]
[Date "2020.07.12"]
[Round "5"]
[White "Belus, Benjamin"]
[Black "Lach, Piotr"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1909"]
[BlackElo "2086"]
[PlyCount "40"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d6 4. e3 Be7 5. d4 exd4 6. exd4 0-0 7. Ne2 d5 8. b3 c5 9. Nd2 cxd4 10. Nxd4 Bb4 11. Bb2 Re8+ 12. Ne2 dxc4 13. bxc4 Nc6 14. Bxf6 gxf6 15. Bxc6 bxc6 16. Rb1 Bg4 17. Rxb4 Rxe2+ 18. Kf1 Qxd2 19. Qxd2 Rxd2 20. c5 Bf3 0-1

[Event "SVK-ch Amateur"]
[Site "Topolcany"]
[Date "2020.07.12"]
[Round "4"]
[White "Lach, Piotr"]
[Black "Dzwierzynski, Bartosz"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2086"]
[BlackElo "1869"]
[PlyCount "37"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. d4 Nf6 5. d5 Nb8 6. Be2 g6 7. 0-0 Bg7 8. Bb5+ Bd7 9. Bxd7+ Nbxd7 10. Qe2 0-0 11. a4 Rb8 12. h3 Re8 13. Bf4 Nh5 14. Bh2 Bh6 15. Na3 Nf4 16. Bxf4 Bxf4 17. g3 Bh6 18. Nc4 Nb6 19. a5 1/2-1/2

[Event "SVK-ch Amateur"]
[Site "Topolcany"]
[Date "2020.07.11"]
[Round "3"]
[White "Szocs, Ladislav"]
[Black "Lach, Piotr"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "1791"]
[BlackElo "2086"]
[PlyCount "89"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. 0-0 Be7 5. d4 0-0 6. c4 c6 7. Nc3 Nbd7 8. cxd5 exd5 9. b3 Re8 10. Bb2 Bd6 11. Re1 Nf8 12. Nd2 Bf5 13. e4 dxe4 14. Ndxe4 Bb4 15. Nxf6+ Qxf6 16. Qf3 Qg6 17. Re5 Rxe5 18. dxe5 Ne6 19. Ne4 Bxe4 20. Qxe4 Qxe4 21. Bxe4 Rd8 22. a3 Bc5 23. b4 Bxf2+ 24. Kxf2 Rd2+ 25. Ke3 Rxb2 26. Rd1 Rb3+ 27. Ke2 Nf8 28. Rd8 Rxa3 29. Rb8 a5 30. Rxb7 axb4 31. Rxb4 Ra5 32. Bxc6 Rxe5+ 33. Kf3 Re7 34. Rb8 g6 35. Rd8 Kg7 36. Bd5 Ra7 37. h4 h5 38. Ra8 Rd7 39. Bc4 Rc7 40. Bd5 Nd7 41. Ra3 Nf6 42. Be4 Rc1 43. Bd3 Ng4 44. Be2 Rc2 45. Rb3 0-1

[Event "SVK-ch Amateur"]
[Site "Topolcany"]
[Date "2020.07.10"]
[Round "2"]
[White "Lach, Piotr"]
[Black "Wozniak, Marcin2222"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2086"]
[BlackElo "1864"]
[PlyCount "41"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 Bb6 7. Bb3 Bg4 8. h3 Be6 9. Nbd2 Qd7 10. Bxe6 fxe6 11. Nc4 Ne7 12. Qb3 h6 13. a4 c5 14. a5 Bc7 15. Qxb7 0-0 16. Qb3 Ng6 17. Qd1 Qf7 18. Na3 Rad8 19. Qe2 Nh5 20. Ne1 Nhf4 21. Qe3 1/2-1/2

[Event "SVK-ch Amateur"]
[Site "Topolcany"]
[Date "2020.07.10"]
[Round "1"]
[White "Majzlan, Blazej"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1656"]
[BlackElo "2086"]
[PlyCount "40"]
[EventDate "2020.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SVK"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. d3 b5 4. a3 g6 5. g3 Bb7 6. Bg2 Bg7 7. Nge2 Nc6 8. 0-0 e6 9. Nf4 Nge7 10. h4 Nd4 11. Nce2 e5 12. Nh3 Nxe2+ 13. Qxe2 0-0 14. Bg5 f6 15. Be3 Rc8 16. c3 d5 17. f4 d4 18. cxd4 exd4 19. Bd2 Qd7 20. Rfc1 f5 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2019.09.15"]
[Round "9.12"]
[White "Tatarczany, Piotr"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1616"]
[BlackElo "2125"]
[PlyCount "32"]
[EventDate "2019.09.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Pilzno GKSz Hetman"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Nbxd2 d6 7. g3 e5 8. dxe5 dxe5 9. e4 0-0 10. Bg2 a5 11. 0-0 Nc6 12. h3 h6 13. Qc2 a4 14. Rfe1 Be6 15. Rac1 Rfd8 16. Nf1 Nd4 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2019.09.14"]
[Round "8.9"]
[White "Lach, Piotr"]
[Black "Kopacz, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2125"]
[BlackElo "2111"]
[PlyCount "41"]
[EventDate "2019.09.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Sedziszow Malopolski"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Ne7 8. a4 h6 9. Na3 Be6 10. Be3 b6 11. Nc4 Qc7 12. Qd2 Bxc4 13. dxc4 Rd8 14. Qc1 a5 15. h3 Nc8 16. Bd2 Qe7 17. b3 h5 18. Rb1 0-0 19. Bh6 Rd7 20. Bd2 f6 21. c3 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2019.09.13"]
[Round "7.11"]
[White "Lach, Piotr"]
[Black "Jablonski, Hubert"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2125"]
[BlackElo "1576"]
[PlyCount "81"]
[EventDate "2019.09.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Gliwice Roszada"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Be3 e5 5. d5 g6 6. f3 Bg7 7. Qd2 0-0 8. 0-0-0 a6 9. a4 Rb8 10. g4 b5 11. axb5 axb5 12. Bxb5 Nb6 13. Qe2 Bd7 14. b3 Ra8 15. Nh3 Qb8 16. Kd2 Qb7 17. Bxd7 Nfxd7 18. Qb5 Ra7 19. Ra1 Rfa8 20. Rxa7 Rxa7 21. Nf2 Qa8 22. Qc6 Rb7 23. Nd3 Bf6 24. Rb1 Qc8 25. Ra1 Nb8 26. Qb5 Qd7 27. Qxd7 N8xd7 28. Nb2 Kg7 29. Kd3 Nb8 30. Nba4 Nxa4 31. Rxa4 Be7 32. Kc4 Nd7 33. Ra7 Rxa7 34. Bxa7 h5 35. gxh5 gxh5 36. Kb5 Nf8 37. Kc6 Bd8 38. Nb5 Kf6 39. Nxc7 Bxc7 40. Kxc7 Ke7 41. b4 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2019.09.12"]
[Round "6.10"]
[White "Zurkowski, Andrzej"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2029"]
[BlackElo "2125"]
[PlyCount "139"]
[EventDate "2019.09.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Debica Gryf"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Be7 5. a3 0-0 6. b4 d6 7. e3 Bg4 8. Nge2 a6 9. h3 Be6 10. Nd5 Qd7 11. d3 Nd8 12. a4 Rb8 13. Nec3 c6 14. Nxe7+ Qxe7 15. b5 a5 16. bxc6 bxc6 17. Ba3 Qc7 18. 0-0 Nb7 19. Qe2 Rfc8 20. f4 exf4 21. gxf4 d5 22. f5 Bd7 23. cxd5 cxd5 24. Nxd5 Nxd5 25. Bxd5 Qg3+ 26. Bg2 Bxa4 27. Ra2 Bb3 28. Rd2 Nc5 29. Rf3 Qg5 30. Qf2 Na4 31. Bd6 Rb5 32. e4 Qf6 33. e5 Rxe5 34. Bxe5 Qxe5 35. d4 Qb8 36. Rg3 Rc1+ 37. Kh2 h5 38. h4 Rc3 39. Re2 Bd1 40. Ree3 Bg4 41. Bh3 Rc1 42. Bxg4 hxg4 43. Qe2 Qb1 44. Re8+ Kh7 45. Qe4 Rc2+ 46. Rg2 Rxg2+ 47. Kxg2 Qb2+ 48. Kg3 Qb3+ 49. Kxg4 Qd1+ 50. Kh3 Qf1+ 51. Kg3 Qg1+ 52. Kh3 Qf1+ 53. Kg3 Qg1+ 54. Qg2 Qxd4 55. Qf3 Qc3 56. Re3 Qf6 57. Ra3 Nc5 58. Rxa5 Ne4+ 59. Kh3 Qc3 60. Qxc3 Nxc3 61. f6 gxf6 62. Kg4 Kg6 63. h5+ Kh6 64. Kf5 Kg7 65. Ra3 Ne2 66. Rd3 Kh6 67. Re3 Nd4+ 68. Kxf6 Kxh5 69. Re5+ Kh6 70. Re4 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2019.09.11"]
[Round "5.8"]
[White "Kubica, Kamil"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2099"]
[BlackElo "2125"]
[PlyCount "23"]
[EventDate "2019.09.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Czerwionka Leszczyny Skoczek"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. 0-0 Be7 6. Re1 d5 7. c3 Nbd7 8. Qb3 a6 9. a4 c5 10. axb5 c4 11. Qc2 axb5 12. Rxa8 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2019.09.10"]
[Round "4.12"]
[White "Lach, Piotr"]
[Black "Lukasik, Adam"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2125"]
[BlackElo "1982"]
[PlyCount "37"]
[EventDate "2019.09.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Siedlce KSz Skoczek"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 c6 7. 0-0 0-0 8. h3 a5 9. Re1 exd4 10. Qxd4 Nc5 11. e5 dxe5 12. Qxd8 Rxd8 13. Nxe5 Be6 14. Be3 Bxc4 15. Nxc4 Nd5 16. Bxc5 Bxc5 17. Nxd5 cxd5 18. Ne5 Bd4 19. c3 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2019.09.08"]
[Round "2.5"]
[White "Kowalczyk, Pawel"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2294"]
[BlackElo "2125"]
[PlyCount "97"]
[EventDate "2019.09.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Rodlo Opole"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. c4 0-0 6. 0-0 c6 7. Nc3 Nbd7 8. b3 b6 9. cxd5 cxd5 10. Bf4 Ba6 11. a4 Rc8 12. Nb5 Ne4 13. Rc1 Bxb5 14. axb5 g5 15. Be3 f5 16. Qd3 g4 17. Rxc8 Qxc8 18. Rc1 Qb7 19. Ne1 Rc8 20. Bxe4 dxe4 21. Rxc8+ Qxc8 22. Qc4 Qxc4 23. bxc4 Kf7 24. Nc2 Ke8 25. Bf4 Bf6 26. Bd6 Be7 27. Bc7 Bd8 28. Bf4 Bf6 29. Kf1 Kd8 30. Nb4 Kc8 31. e3 Kb7 32. Bd6 Bd8 33. Ke2 Bc7 34. Be7 Bb8 35. Kd1 h5 36. Kc2 e5 37. c5 bxc5 38. dxc5 Kc8 39. Kb3 Bc7 40. Nc6 Kb7 41. Kc4 a6 42. bxa6+ Kxa6 43. Nb4+ Ka7 44. Kb5 Nb8 45. Nd5 Kb7 46. Nxc7 Kxc7 47. Bd6+ Kb7 48. Bxb8 Kxb8 49. Kc6 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2019.09.07"]
[Round "1.11"]
[White "Lach, Piotr"]
[Black "Wilk, Oktawia"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2125"]
[BlackElo "1822"]
[PlyCount "67"]
[EventDate "2019.09.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Gdansk Korona"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 0-0 10. g3 f6 11. Kg2 a6 12. Bd3 g6 13. Ne2 f5 14. h3 Qe8 15. g4 Be7 16. Be3 Nb4 17. Bb1 Nb6 18. b3 Bd7 19. a3 Nc6 20. Bd3 Na7 21. a4 Rc8 22. g5 Nc6 23. h4 Kf7 24. h5 Rh8 25. Bd2 Nb4 26. Bxb4 Bxb4 27. Ng3 Na8 28. Rh2 b5 29. Qh1 bxa4 30. hxg6+ hxg6 31. Rh7+ Rxh7 32. Qxh7+ Kf8 33. Qh8+ Kf7 34. Qf6+ 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.11"]
[Round "9.46"]
[White "Piotrowski, Przemyslaw"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2252"]
[BlackElo "2135"]
[PlyCount "101"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Wroclaw Polonia"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 Be7 7. c4 dxc4 8. Qa4+ Nbd7 9. Rd1 0-0 10. Qxc4 Qa5 11. Nc3 Ne5 12. Qb5 Qxb5 13. Ndxb5 Bd7 14. Bf4 Nc6 15. Ne4 Nd5 16. Bd6 Bxd6 17. Nexd6 a6 18. Bxd5 exd5 19. Nc7 Rab8 20. Nxd5 Rfd8 21. Nb6 Be6 22. b3 Kf8 23. Ne4 Nd4 24. e3 Nc2 25. Rac1 Nb4 26. a3 Nd3 27. Rc3 Ne5 28. Rxd8+ Rxd8 29. Ng5 Bg4 30. h3 Bh5 31. g4 Bg6 32. f4 h6 33. fxe5 hxg5 34. Rc7 Rd1+ 35. Kf2 Rd2+ 36. Kf3 Rh2 37. Nd5 Ke8 38. Rxb7 Rxh3+ 39. Kg2 Rh4 40. Kg3 Rh1 41. e6 fxe6 42. Nc7+ Ke7 43. Nxa6+ Kf6 44. Nc5 Rg1+ 45. Kf2 Rxg4 46. Nd7+ Kf5 47. Rb5+ Ke4 48. Rb4+ Kf5 49. Rxg4 Kxg4 50. Ne5+ Kf5 51. Nxg6 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.10"]
[Round "8.64"]
[White "Wozniak, Maciej"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2075"]
[BlackElo "2135"]
[PlyCount "109"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Stara Wies Parnas"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 Nc6 10. Bxf6 gxf6 11. Nb3 Bd7 12. 0-0-0 0-0-0 13. Kb1 Kb8 14. Be2 h5 15. Rhf1 Be7 16. Rf3 h4 17. Bf1 Na7 18. Nd4 Nc6 19. Nb3 Na7 20. Nc1 Bc6 21. Rd3 Nb5 22. Nxb5 axb5 23. Qe1 Rhe8 24. Rb3 b4 25. Rxb4 Qc7 26. Rbd4 d5 27. exd5 Bxd5 28. Nb3 f5 29. Qf2 Bxb3 30. Rxd8+ Rxd8 31. Rxd8+ Qxd8 32. axb3 Qd1+ 33. Ka2 Qd5 34. Qb6 Qc5 35. Qb5 Qxb5 36. Bxb5 Kc7 37. Be8 f6 38. g3 hxg3 39. hxg3 Bc5 40. Bh5 Bf2 41. g4 fxg4 42. Bxg4 f5 43. Bh3 Be3 44. b4 Bxf4 45. Kb3 Be5 46. c3 b5 47. Kc2 Bd6 48. Kd3 Kc6 49. Bg2+ Kb6 50. Kd4 Kc7 51. b3 Kb6 52. c4 Bxb4 53. Ke5 bxc4 54. bxc4 Kc5 55. Kxe6 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.09"]
[Round "7.34"]
[White "Lach, Piotr"]
[Black "Cichon, Michal"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2135"]
[BlackElo "2021"]
[PlyCount "84"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Czerwionka Leszczyny Skoczek"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Bb3 d6 6. c3 Na5 7. Bc2 c5 8. 0-0 0-0 9. Nbd2 a6 10. Re1 b5 11. Nf1 Re8 12. Ng3 h6 13. b3 Nc6 14. Bb2 b4 15. c4 a5 16. a4 Bf8 17. Nd2 Nh7 18. Ndf1 g6 19. Ne3 Bg7 20. Nd5 Nf6 21. Qd2 Nxd5 22. exd5 Nd4 23. Bxd4 cxd4 24. f4 f5 25. Rf1 e4 26. Rae1 e3 27. Qd1 Ra7 28. Kh1 Rf7 29. Ne2 g5 30. g3 g4 31. h4 gxh3 32. Ng1 Qf6 33. Qh5 Bd7 34. Bd1 Rfe7 35. Be2 Bf8 36. Nf3 Rg7 37. Qxh3 Rg6 38. Nh4 Rg7 39. Rg1 Be7 40. Rg2 Kh7 41. Nf3 Rh8 42. Qh5 Be8 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.08"]
[Round "6.52"]
[White "Wrobel, Maciej"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B75"]
[WhiteElo "2046"]
[BlackElo "2135"]
[PlyCount "94"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Prudnik LKS Zarzewie"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. Bc4 g6 7. f3 Bg7 8. Be3 Nc6 9. Qd2 Na5 10. Bb3 h5 11. 0-0-0 Nxb3+ 12. axb3 Qa5 13. Kb1 Rc8 14. Rhe1 Rc5 15. h3 0-0 16. g4 Rb8 17. Bh6 Bh8 18. Rg1 h4 19. Be3 b5 20. Nf5 Rxc3 21. Nxe7+ Kh7 22. Qxc3 Qxc3 23. bxc3 Re8 24. Nd5 Nxd5 25. Rxd5 Bxc3 26. Rxd6 Be6 27. Rgd1 a5 28. Rd8 Re7 29. Bd4 Bxd4 30. R1xd4 g5 31. Ra8 a4 32. bxa4 bxa4 33. Raxa4 Rc7 34. Kb2 Kg6 35. c4 Kf6 36. Kc3 Ke5 37. Kd3 Kf4 38. Rd5 Kxf3 39. Rxg5 Kg3 40. c5 Kxh3 41. Ke3 Kg3 42. Ra1 h3 43. Rg1+ Kh2 44. Kf2 Ra7 45. Rg2+ Kh1 46. Rg1+ Kh2 47. Rc1 Ra2+ 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.07"]
[Round "5.22"]
[White "Lach, Piotr"]
[Black "Kowalczyk, Rafal"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2135"]
[BlackElo "2241"]
[PlyCount "103"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Lodz Okucia Budowlane"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Nce7 11. 0-0 0-0 12. Rfe1 c6 13. Ne4 Qb6 14. Nc3 Be6 15. Qxb6 axb6 16. Ng5 Bd7 17. Bxd5 Nxd5 18. Nxd5 cxd5 19. Re7 Bc6 20. Nf3 f6 21. a3 Rf7 22. Re3 Kf8 23. Kf1 Rc7 24. Ke1 Ba4 25. Rc3 Rxc3 26. bxc3 Bb5 27. Kd2 Ke7 28. Ne1 g5 29. Rb1 Ra5 30. Nc2 Kd6 31. f3 Kc7 32. h4 Be8 33. Re1 Kd7 34. hxg5 fxg5 35. Re5 h6 36. Ne3 Bf7 37. Nf5 Be6 38. Nxh6 Rxa3 39. Rxg5 Ra2+ 40. Ke3 Ra3 41. Rg7+ Kd6 42. Kd2 Ra2+ 43. Kd3 b5 44. g4 b4 45. cxb4 Ra3+ 46. Ke2 Ra2+ 47. Ke3 Ra3+ 48. Kf4 Rd3 49. Rxb7 Rxd4+ 50. Kg5 Ke5 51. Rb6 Rc4 52. f4+ 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.06"]
[Round "4.70"]
[White "Bernat, Marcin"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2068"]
[BlackElo "2135"]
[PlyCount "105"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Steszew Lipno"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. Nf4 c6 8. Bd3 Nbd7 9. cxd5 exd5 10. 0-0 Re8 11. Bd2 Nf8 12. Re1 Ne6 13. Nxe6 Bxe6 14. f3 Bd6 15. Re2 h5 16. Be1 Qc7 17. h3 Rad8 18. Bh4 Be7 19. Qe1 a6 20. Rd1 c5 21. Bb1 b5 22. Kh1 b4 23. axb4 cxb4 24. Na2 a5 25. Nc1 Nh7 26. Nd3 g5 27. Bg3 Qb7 28. Nc5 Bxc5 29. dxc5 Qb5 30. Rc1 Rc8 31. Bd6 Rc6 32. Qd2 f5 33. Ree1 Kf7 34. e4 dxe4 35. fxe4 f4 36. e5 Nf8 37. Bd3 Qb7 38. Qe2 g4 39. hxg4 hxg4 40. Qe4 Kg8 41. Qxf4 Qg7 42. Bf5 Bxf5 43. Qxf5 g3 44. Kg1 Ng6 45. Rc4 Rxd6 46. cxd6 Qa7+ 47. Kh1 Qh7+ 48. Qh3 Rxe5 49. Qxh7+ Kxh7 50. Rxe5 Nxe5 51. Rc7+ Kg6 52. d7 Nf7 53. Rc8 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.05"]
[Round "3.52"]
[White "Lach, Piotr"]
[Black "Mazalon, Mariusz"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2135"]
[BlackElo "2063"]
[PlyCount "65"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Bydgoszcz Hetman"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. Ne2 Nc6 5. 0-0 d6 6. d3 e5 7. Nbc3 Nge7 8. Be3 0-0 9. f4 f6 10. Qd2 Be6 11. fxe5 Nxe5 12. Nf4 Bd7 13. h3 b5 14. Ncd5 a5 15. Rf2 Ra7 16. Raf1 N7c6 17. Ne2 Bc8 18. b3 Raf7 19. d4 cxd4 20. Nxd4 Nxd4 21. Bxd4 Rb7 22. Qe3 Be6 23. Bb6 Qd7 24. Nxf6+ Bxf6 25. Rxf6 Rxf6 26. Rxf6 Bxh3 27. Qh6 Nf7 28. Qxh3 Qxh3 29. Bxh3 Ng5 30. Be3 Nxe4 31. Bg2 Re7 32. Bxe4 Rxe4 33. Bh6 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.04"]
[Round "2.76"]
[White "Wacior, Maciej"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1986"]
[BlackElo "2135"]
[PlyCount "65"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Grzybowo GKSz Solny"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 g6 2. Bf4 Bg7 3. e3 d6 4. Nf3 Nd7 5. c3 e5 6. Bg3 Ne7 7. h3 0-0 8. Bc4 Nf5 9. Bh2 e4 10. Nfd2 Nb6 11. Bb3 Nh4 12. 0-0 Qg5 13. Bg3 Bf5 14. a4 a5 15. Kh2 Rae8 16. Na3 Qh6 17. Bxh4 Qxh4 18. f4 exf3 19. Qxf3 d5 20. Rfe1 Be4 21. Nxe4 Qxe4 22. Bc2 Qxf3 23. gxf3 Re7 24. Re2 Rfe8 25. Rae1 Bh6 26. e4 Bf4+ 27. Kg2 c6 28. b3 Nd7 29. Bd3 Nf6 30. exd5 Rxe2+ 31. Rxe2 Rxe2+ 32. Bxe2 Nxd5 33. c4 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2016.09.03"]
[Round "1.34"]
[White "Lach, Piotr"]
[Black "Duda, Lukasz"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2135"]
[BlackElo "2200"]
[PlyCount "91"]
[EventDate "2016.09.03"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Gliwice Politechnika Slaska"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Qxd4 11. Nxd4 Bd7 12. Bf4 Rc8 13. Bb3 Bc5 14. Rad1 0-0 15. Rfe1 Rfd8 16. h3 b5 17. c3 a5 18. a3 b4 19. axb4 axb4 20. Be5 Be8 21. Nf3 Bc6 22. Rxd8+ Rxd8 23. Nd4 Bb7 24. Bc7 Ra8 25. Rd1 bxc3 26. bxc3 Ne4 27. Rc1 Ra3 28. Bc4 Rxc3 29. Rxc3 Nxc3 30. Nb3 Ba7 31. Be5 Ne4 32. Bd4 Bxd4 33. Nxd4 Kf8 34. f3 Nd6 35. Bd3 g6 36. h4 e5 37. Nb3 Ke7 38. Nc5 Bd5 39. Kf2 f5 40. g4 e4 41. fxe4 fxe4 42. Bc2 Kf6 43. Ke3 h5 44. gxh5 Nf5+ 45. Kf4 Nxh4 46. Bxe4 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.13"]
[Round "9.8"]
[White "Lach, Piotr"]
[Black "Szelag, Marcin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2128"]
[BlackElo "2449"]
[PlyCount "116"]
[EventDate "2015.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Myslenice"]
[BlackTeam "Gliwice Akademia Szachowa"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Bg5 Be7 6. Bxe7 Qxe7+ 7. Be2 Qb4+ 8. Nc3 a6 9. a3 Qd6 10. Ne5 Nf6 11. f4 Bf5 12. 0-0 Ne4 13. Nxe4 Bxe4 14. Bf3 0-0 15. c3 Bxf3 16. Rxf3 f6 17. Nd3 Rfe8 18. f5 b6 19. Rh3 Re4 20. Qh5 h6 21. Nf2 Re7 22. Ng4 Rae8 23. Qg6 Re1+ 24. Rxe1 Rxe1+ 25. Kf2 Re7 26. Rf3 Kf8 27. Ne3 Nd8 28. Qg3 Qd7 29. Rf4 Nf7 30. h4 Nd6 31. Nxd5 Ne4+ 32. Rxe4 Rxe4 33. Ne3 Kg8 34. Kg1 h5 35. Qf3 Qe8 36. Kf2 Rxh4 37. Nd5 Rh1 38. Ne3 Qe7 39. Qd5+ Kh7 40. Qe6 Qd6 41. Nd5 h4 42. Qxd6 cxd6 43. Nxb6 Rb1 44. Nc4 d5 45. Ne3 Rxb2+ 46. Kf3 Rb5 47. Kg4 Kg8 48. Kxh4 Kf7 49. Kg4 Ra5 50. Kh5 Rxa3 51. Nxd5 a5 52. c4 Rd3 53. Nb6 Rxd4 54. c5 Rf4 55. g4 Rf1 56. g5 Rh1+ 57. Kg4 Rc1 58. g6+ Ke8 0-1

[Event "POL-chT 1st League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.12"]
[Round "8.26"]
[White "Stoma, Pawel"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "C76"]
[WhiteElo "2346"]
[BlackElo "2128"]
[PlyCount "87"]
[EventDate "2015.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Lublin Drakon"]
[BlackTeam "Myslenice"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Ba4 d6 6. d4 Bd7 7. 0-0 Bg7 8. Re1 Nge7 9. dxe5 dxe5 10. Bg5 h6 11. Be3 0-0 12. Bc5 Re8 13. Nbd2 b6 14. Ba3 b5 15. Bc2 a5 16. Bc5 g5 17. a4 b4 18. Nf1 bxc3 19. bxc3 Ng6 20. g3 g4 21. N3d2 Qg5 22. Ne3 Nf4 23. gxf4 exf4 24. Nd5 Bxc3 25. Kh1 Be5 26. Rg1 Bxa1 27. Qxa1 Ne5 28. Nxc7 Rec8 29. Bd6 Ng6 30. Nf3 Qh5 31. Nd5 Qxd5 32. exd5 Rxc2 33. Ne5 Bf5 34. Rxg4 Rac8 35. Qd4 Rc1+ 36. Kg2 f3+ 37. Kxf3 R8c3+ 38. Kg2 Bxg4 39. Qxg4 h5 40. Qg5 h4 41. h3 Kh7 42. Nxg6 fxg6 43. Qe7+ Kg8 44. Be5 1-0

[Event "POL-chT 1st League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.10"]
[Round "6.26"]
[White "Lach, Piotr"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2128"]
[BlackElo "2457"]
[PlyCount "80"]
[EventDate "2015.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Myslenice"]
[BlackTeam "Legnica Miedz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Qxd4 11. Nxd4 Bd7 12. Bf4 Rc8 13. Bb3 Bc5 14. Rad1 0-0 15. Rfe1 Rfd8 16. h3 b5 17. a3 a5 18. c3 b4 19. axb4 axb4 20. c4 Be8 21. Nf3 Bc6 22. Rxd8+ Rxd8 23. Rd1 Rxd1+ 24. Bxd1 Ne4 25. Be3 Bxe3 26. fxe3 Nc5 27. Nd4 Be4 28. b3 Kf8 29. Bf3 e5 30. Bxe4 exd4 31. Bc2 dxe3 32. Kf1 Ne6 33. Be4 Nd4 34. Bd5 f5 35. c5 g5 36. Ke1 Ke7 37. Bg8 h6 38. Bd5 f4 39. Bg8 Ne6 40. c6 Nd4 0-1

[Event "POL-chT 1st League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.09"]
[Round "5.9"]
[White "Lach, Piotr"]
[Black "Flis, Jacek"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2128"]
[BlackElo "2262"]
[PlyCount "68"]
[EventDate "2015.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Myslenice"]
[BlackTeam "Czestochowa Hetman"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5 a6 9. N5c3 Be7 10. Bxf6 Bxf6 11. Nd2 Be6 12. Nc4 Bxc4 13. Bxc4 0-0 14. 0-0 Rc8 15. Nd5 Nd4 16. Bd3 Ne6 17. c3 Nf4 18. Bc2 Nxd5 19. Qxd5 Qb6 20. Bb3 Rc5 21. Qd2 g6 22. Rad1 Be7 23. Qh6 Qd8 24. Rd3 Bg5 25. Qh3 Kg7 26. Rfd1 Be7 27. Qe3 Qc7 28. Bd5 a5 29. b4 axb4 30. cxb4 Rc2 31. Bb3 Rc6 32. Bd5 Rc2 33. Bb3 Rc6 34. Bd5 Rc2 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.08"]
[Round "4.20"]
[White "Lach, Piotr"]
[Black "Wiewiora, Eneasz"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2128"]
[BlackElo "2253"]
[PlyCount "174"]
[EventDate "2015.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Myslenice"]
[BlackTeam "Pawlowice Gminy"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 Re8 8. a5 a6 9. c3 h6 10. Qb3 Rf8 11. Nh4 Nxe4 12. Ng6 Nf6 13. Bd5 Nxd5 14. Nxf8 Nxc3 15. bxc3 Bxf8 16. Nd2 Rb8 17. Nc4 Be6 18. Qa4 Qf6 19. Ne3 Qg6 20. d4 exd4 21. cxd4 Ne7 22. Qc2 Qxc2 23. Nxc2 g6 24. Be3 Bg7 25. Nb4 c5 26. dxc5 Bxa1 27. Rxa1 dxc5 28. Bxc5 Nf5 29. Nd3 Rc8 30. Bb6 Bd5 31. Nc5 Bc6 32. Rd1 Ne7 33. Rd8+ Rxd8 34. Bxd8 Kf8 35. Bc7 Nf5 36. f3 Ke7 37. Kf2 g5 38. Ke2 f6 39. Kf2 h5 40. Ne4 h4 41. Nc5 Nd4 42. h3 Nb5 43. Bh2 Nd6 44. f4 Nc4 45. fxg5 fxg5 46. Bc7 Nd6 47. g3 Nf5 48. gxh4 gxh4 49. Nd3 Be4 50. Ne5 Ke6 51. Nf3 Kd7 52. Be5 Kc6 53. Bf6 Kb5 54. Bd8 Bd5 55. Ke2 Be6 56. Kd2 Bd7 57. Kc3 Nd6 58. Nxh4 Nc4 59. Nf3 Nxa5 60. h4 Bg4 61. Ne5 Bh5 62. Nd7 Nc6 63. Bg5 Nb4 64. Nf6 Bf7 65. h5 Nd5+ 66. Nxd5 Bxd5 67. h6 Bg8 68. Be7 Ka4 69. Bd6 b6 70. Be7 b5 71. Bd6 Bh7 72. Be7 a5 73. Bd6 Bg8 74. Be7 b4+ 75. Kb2 Kb5 76. Bf8 Ka6 77. h7 Bxh7 78. Be7 Bg8 79. Bf8 Kb6 80. Be7 Kc7 81. Bf8 Kd7 82. Bc5 Kc6 83. Bf8 Kb5 84. Be7 Kc4 85. Bf8 a4 86. Bxb4 Kxb4 87. Ka1 Kb3 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.07"]
[Round "3.15"]
[White "Lach, Piotr"]
[Black "Protaziuk, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2128"]
[BlackElo "2349"]
[PlyCount "23"]
[EventDate "2015.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Myslenice"]
[BlackTeam "Miedzyborow Wrzos"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. 0-0 d6 8. Kh1 Nf6 9. f4 Qc7 10. N1d2 Nc6 11. Nf3 e5 12. f5 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.06"]
[Round "2.15"]
[White "Butkiewicz, Lukasz"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2441"]
[BlackElo "2128"]
[PlyCount "71"]
[EventDate "2015.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Wisznia Mala"]
[BlackTeam "Myslenice"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 Bg6 7. c3 Ne7 8. Na3 Nf5 9. Nc2 h5 10. a4 Be7 11. b4 h4 12. h3 b6 13. b5 cxb5 14. axb5 Qc7 15. Qd2 f6 16. exf6 gxf6 17. Ba3 Nd6 18. Bxd6 Bxd6 19. Ne3 Bf4 20. c4 dxc4 21. Rfc1 Be4 22. Rxc4 Qd6 23. Rac1 Kf7 24. Rc6 Bxc6 25. Rxc6 Qa3 26. d5 e5 27. d6 Bxe3 28. fxe3 Nc5 29. Bc4+ Kg7 30. Rc7+ Kg6 31. Qe1 Raf8 32. Kh2 Rh5 33. Nxh4+ Kh6 34. Qg3 Rg5 35. Nf5+ Kg6 36. Rg7+ 1-0

[Event "POL-chT 1st League"]
[Site "Jastrzebia Gora"]
[Date "2015.09.05"]
[Round "1.20"]
[White "Shkapenko, Pavel"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2426"]
[BlackElo "2128"]
[PlyCount "82"]
[EventDate "2015.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Pultusk Nadnarwianka"]
[BlackTeam "Myslenice"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. d4 e5 6. Nxe5 Nxe5 7. dxe5 Qxd1+ 8. Kxd1 Bg4+ 9. f3 0-0-0+ 10. Ke1 Bf5 11. Bc4 f6 12. Nd2 fxe5 13. Bxg8 Rxg8 14. Ne4 Bxe4 15. fxe4 Be7 16. Ke2 Kd7 17. Be3 Ke6 18. Rhd1 b6 19. a4 a6 20. c4 Rxd1 21. Rxd1 a5 22. Rd5 Rc8 23. Bf2 Rf8 24. Be3 Bd6 25. Bd2 Rf6 26. g4 Rf7 27. Rd3 g6 28. Bg5 Bc7 29. b3 Rd7 30. Rd5 Bd6 31. Rd1 Be7 32. Rxd7 Kxd7 33. Bd2 g5 34. h3 h6 35. Kf3 Ke6 36. h4 Bd8 37. h5 Bf6 38. Kg2 Be7 39. Kf1 Bf6 40. Ke2 Be7 41. Kd1 Kd7 1/2-1/2

[Event "POL-ch U26"]
[Site "Zabrze"]
[Date "2015.01.11"]
[Round "6"]
[White "Lach, Piotr"]
[Black "Kanarek, Marcel"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2128"]
[BlackElo "2496"]
[PlyCount "130"]
[EventDate "2015.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Kb1 Nxd4 11. e5 Nf5 12. exf6 exf6 13. Bc5 d4 14. Bxd4 Nxd4 15. Qxd4 Qxd4 16. Rxd4 f5 17. Rb4 Rd8 18. Bd3 b6 19. Nb5 Bb7 20. h4 h5 21. Re1 Kf8 22. Ra4 a5 23. Rc4 Bf6 24. Rc7 Bd5 25. g3 Bxf3 26. Bc4 Bd5 27. Bxd5 Rxd5 28. a4 Be5 29. Rb7 Re8 30. Nc7 Bxc7 31. Rxe8+ Kxe8 32. Rxc7 Rd4 33. Rb7 Rxa4 34. Rxb6 f4 35. gxf4 Rxf4 36. Ra6 a4 37. Ka2 Rxh4 38. Rc6 Rg4 39. Rc3 h4 40. Rh3 g5 41. Rh2 Rg3 42. b3 axb3+ 43. cxb3 h3 44. Ka3 g4 45. Rh1 Rg2 46. Ka4 h2 47. Re1+ Kf8 48. Rd1 g3 49. b4 Rg1 50. Rd3 h1Q 51. Rd8+ Ke7 52. Rb8 Qc6+ 53. b5 Ra1+ 54. Kb3 Qc1 55. Rb7+ Kd6 56. Rb6+ Kd5 57. Rc6 Rb1+ 58. Ka4 Qxc6 59. bxc6 Kxc6 60. Ka5 Kc5 61. Ka4 Rb7 62. Ka3 Kc4 63. Ka2 Kc3 64. Ka1 Kc2 65. Ka2 Ra7# 0-1

[Event "POL-ch U26"]
[Site "Zabrze"]
[Date "2015.01.10"]
[Round "3"]
[White "Luch, Michal"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2413"]
[BlackElo "2128"]
[PlyCount "161"]
[EventDate "2015.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c3 Bg7 5. Qb3 d5 6. Nh3 e6 7. Nd2 Ne4 8. Nf3 0-0 9. Bf4 c5 10. Be5 Bxe5 11. dxe5 g5 12. Nfg1 c4 13. Qc2 Nc6 14. f3 Nc5 15. f4 gxf4 16. gxf4 Qh4+ 17. Kf1 Ne4 18. Nf3 Qh5 19. Nf2 Kh8 20. e3 Bd7 21. Qe2 Rg8 22. Nxe4 fxe4 23. Nd4 Qxe2+ 24. Nxe2 Raf8 25. Kg1 Rg4 26. h3 Rg7 27. Kh2 Ne7 28. Nd4 Rfg8 29. Rhg1 Nf5 30. Nxf5 exf5 31. Bh1 Rxg1 32. Rxg1 Rxg1 33. Kxg1 Be6 34. Kf2 Kg7 35. Bg2 b5 36. Bf1 a5 37. Ke1 Kg6 38. Be2 Bf7 39. Kd2 Kg7 40. Kc2 Kf8 41. b3 Ke7 42. Kb2 Be8 43. bxc4 dxc4 44. a4 Ke6 45. axb5 Bxb5 46. Ka3 Kd5 47. Bh5 Ke6 48. Bd1 Be8 49. Ba4 Bh5 50. Bb5 Kd5 51. Ka4 Be2 52. Kxa5 Kc5 53. Bd7 Bh5 54. Bxf5 Kd5 55. Bxh7 Bf7 56. Kb4 Be8 57. Bf5 Bf7 58. h4 Bh5 59. e6 Be8 60. Ka5 Bh5 61. Kb6 Kd6 62. Bh3 Ke7 63. Kc5 Bg6 64. f5 Be8 65. Kd4 Bc6 66. Ke5 Kf8 67. f6 Be8 68. Bf5 Bc6 69. Kd6 Ke8 70. Kxc6 Kf8 71. e7+ Kf7 72. Bd7 Kxf6 73. e8Q Kg7 74. Qe7+ Kg6 75. Qg5+ Kf7 76. Bf5 Kf8 77. Kd6 Kf7 78. Qg6+ Kf8 79. Qh7 Ke8 80. Bg6+ Kf8 81. Qf7# 1-0

[Event "EU-ch rapid"]
[Site "Wroclaw"]
[Date "2014.12.20"]
[Round "2"]
[White "Lach, Piotr"]
[Black "Kovalev, Vladislav"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2128"]
[BlackElo "2539"]
[PlyCount "93"]
[EventDate "2014.12.20"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 0-0 6. Bg5 h6 7. Bh4 Be7 8. 0-0 d6 9. Bb3 Nh5 10. Bg3 Nxg3 11. fxg3 Kh8 12. Nbd2 f5 13. Qe2 Qe8 14. Rae1 Qg6 15. d4 exd4 16. Nxd4 Nxd4 17. cxd4 Bg5 18. Nf3 Bf6 19. e5 dxe5 20. dxe5 Be7 21. e6 Qf6 22. Qe5 Qxe5 23. Nxe5 Kh7 24. g4 f4 25. Nd3 g5 26. g3 Rd8 27. Bc2 Kg8 28. gxf4 b6 29. f5 Bf6 30. Ne5 Bb7 31. Bb3 Kg7 32. Rf2 Rd4 33. h3 h5 34. gxh5 a5 35. Ng4 Rxg4+ 36. hxg4 a4 37. Bc4 Rd8 38. e7 Re8 39. h6+ Kxh6 40. Re6 Kg7 41. Rfe2 Bf3 42. Bb5 Bd4+ 43. Kh2 Kf7 44. Bxe8+ Kxe8 45. Rd2 c5 46. f6 Bxg4 47. f7+ 1-0

[Event "EU-ch rapid"]
[Site "Wroclaw"]
[Date "2014.12.20"]
[Round "4"]
[White "Lach, Piotr"]
[Black "Salgado Lopez, Ivan"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2128"]
[BlackElo "2622"]
[PlyCount "98"]
[EventDate "2014.12.20"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. d3 d6 8. h3 Bd7 9. Ba4 a6 10. Be3 b5 11. Bc2 e5 12. d4 exd4 13. cxd4 Re8 14. dxc5 Nxe4 15. Bxe4 Rxe4 16. Nc3 Bxc3 17. bxc3 dxc5 18. Bxc5 Bf5 19. Nd4 Qd5 20. Nxf5 Rxe1+ 21. Qxe1 Qxf5 22. Qe3 Rd8 23. Re1 Kg7 24. Bd4+ Nxd4 25. cxd4 Qd5 26. Rd1 b4 27. Qb3 Qxb3 28. axb3 Kf6 29. Kf1 Kf5 30. Ke2 Rc8 31. Ra1 Ke4 32. Rxa6 Rc2+ 33. Ke1 Kd3 34. f3 Kxd4 35. Kd1 Rxg2 36. Rc6 Rb2 37. Rc7 f5 38. h4 Rxb3 39. Rxh7 Rxf3 40. Kc2 Rh3 41. Rb7 b3+ 42. Kb2 f4 43. Rb4+ Ke5 44. Rb5+ Kf6 45. Ka3 Rxh4 46. Rxb3 Kf5 47. Kb2 Rh8 48. Kc2 Rd8 49. Rb5+ Kg4 0-1

[Event "EU-ch rapid"]
[Site "Wroclaw"]
[Date "2014.12.20"]
[Round "7"]
[White "Wieczorek, Oskar"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2425"]
[BlackElo "2128"]
[PlyCount "105"]
[EventDate "2014.12.20"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d4 d6 6. Nc3 0-0 7. Qd3 d5 8. Bf4 c6 9. Na4 b6 10. c4 Ne4 11. Rac1 Be6 12. cxd5 Bxd5 13. Nc3 Nxc3 14. bxc3 Nd7 15. Ng5 Nf6 16. Bxd5+ Qxd5 17. c4 Qd7 18. Be5 Rfd8 19. Rfd1 Bh6 20. h4 Ne4 21. Bf4 Nxg5 22. hxg5 Bg7 23. e3 e5 24. Qe2 exf4 25. gxf4 Qe6 26. Qf3 Qe4 27. Qxe4 fxe4 28. f3 Re8 29. Kf2 Rad8 30. d5 c5 31. fxe4 Rxe4 32. Kf3 Rde8 33. Rd3 Bf8 34. d6 R4e6 35. Rcd1 Rd8 36. d7 Bg7 37. Rd5 Kf7 38. a4 Rc6 39. e4 Bd4 40. Rh1 Kg7 41. e5 Re6 42. Ke4 Re7 43. f5 gxf5+ 44. Kxf5 Rdxd7 45. e6 Rc7 46. Rd8 Rc6 47. Rh6 Be3 48. Rf6 Bxg5 49. Kxg5 Rcxe6 50. Rxe6 Rxe6 51. Rd7+ Kg8 52. Rxa7 Rd6 53. Rb7 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.14"]
[Round "9.14"]
[White "Kalinin, Oleg"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2339"]
[BlackElo "2105"]
[PlyCount "68"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Czerwionka Leszczyny Skoczek"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. Nf3 f5 2. d3 d6 3. e4 g6 4. exf5 Bxf5 5. g3 Nc6 6. Bg2 Qd7 7. h3 e5 8. Nc3 0-0-0 9. Be3 Bg7 10. g4 Be6 11. d4 exd4 12. Nxd4 Nxd4 13. Bxd4 Bc4 14. Qf3 Re8+ 15. Be3 Bxc3+ 16. bxc3 d5 17. Bf1 Ne7 18. Bxc4 dxc4 19. 0-0 Rhf8 20. Qg3 Nd5 21. Rad1 Qc6 22. Bh6 Rf7 23. Rfe1 Rxe1+ 24. Rxe1 b6 25. Bd2 Kb7 26. Qg2 Ne7 27. Re6 Qxg2+ 28. Kxg2 Nd5 29. Kg3 Rd7 30. f4 b5 31. Be1 Rf7 32. Bd2 Rd7 33. Be1 Rf7 34. Bd2 Rd7 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.13"]
[Round "8.33"]
[White "Wojciechowski, Piotr"]
[Black "Lach, Piotr"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2296"]
[BlackElo "2105"]
[PlyCount "116"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Gliwice Politechnika Slaska"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 0-0 10. 0-0-0 a5 11. Bb5 Nbd7 12. Qf2 Rc8 13. g4 Rxc3 14. bxc3 a4 15. g5 Nh5 16. Bxa4 Qa8 17. Ba7 Nc5 18. Bxc5 dxc5 19. Nxc5 Qa7 20. Bb3 Bxc5 21. Qe2 Bxb3 22. cxb3 Nf4 23. Qc2 Rc8 24. Kb1 Bd4 25. Qd2 Bc5 26. Qd7 Ra8 27. Rd2 Ne6 28. Rhd1 Be3 29. Re2 Bxg5 30. Qb5 Bf4 31. a4 Qa6 32. Rd7 Qxb5 33. axb5 b6 34. b4 Rc8 35. Kb2 Nc7 36. c4 Ne6 37. c5 bxc5 38. b6 Rb8 39. b7 Kf8 40. Re1 Ke8 41. Red1 cxb4 42. h3 Be3 43. R1d5 Bd4+ 44. Ka2 b3+ 45. Kb1 Bb6 46. Kb2 Bc7 47. Rxc7 Nxc7 48. Rxe5+ Kd7 49. Rf5 Ke6 50. Rg5 g6 51. Kxb3 Rxb7+ 52. Kc4 Kf6 53. h4 Ne6 54. e5+ Ke7 55. Rg1 h5 56. Rf1 Ra7 57. Kb5 Rb7+ 58. Ka5 Ng7 0-1

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.12"]
[Round "7.33"]
[White "Lach, Piotr"]
[Black "Borgula, Rafal"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2105"]
[BlackElo "2271"]
[PlyCount "41"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Znin Baszta II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+ Nbd7 7. Nf5 a6 8. Bxd7+ Qxd7 9. Bg5 Qc6 10. Bxf6 Bxf5 11. exf5 gxf6 12. Nd5 Be7 13. Qd2 Bd8 14. 0-0-0 Rc8 15. Kb1 Qc5 16. g4 h6 17. h4 Kd7 18. Rh3 Rg8 19. Rc3 Qd4 20. Rd3 Qxg4 21. Rg3 1-0

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.11"]
[Round "6.57"]
[White "Lach, Piotr"]
[Black "Smagalski, Slawomir"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2105"]
[BlackElo "1973"]
[PlyCount "85"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Konin Hetman"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 Ba7 7. 0-0 d6 8. Nbd2 0-0 9. h3 h6 10. Re1 Be6 11. Nf1 Qc8 12. Bxe6 Qxe6 13. Nh4 Ne7 14. Ng3 Kh7 15. Nhf5 Nfg8 16. Qd2 Rae8 17. Qe2 Qg6 18. Be3 Bxe3 19. Qxe3 b6 20. Qf3 Qg5 21. h4 Qf4 22. Qd1 Nxf5 23. Nxf5 Nf6 24. g3 Qg4 25. Qxg4 Nxg4 26. f3 Nf6 27. Ne3 g6 28. g4 Rc8 29. Rf1 Nd7 30. f4 Nc5 31. Rad1 Ne6 32. f5 Nf4 33. Ng2 Nxg2 34. Kxg2 c5 35. Rf2 g5 36. hxg5 hxg5 37. Rh1+ Kg7 38. Kf3 Rh8 39. Rfh2 f6 40. Rxh8 Rxh8 41. Rxh8 Kxh8 42. Ke3 Kg7 43. c4 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.10"]
[Round "5.63"]
[White "Zychowicz, Marcin"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B86"]
[WhiteElo "1792"]
[BlackElo "2105"]
[PlyCount "33"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Minsk Mazowiecki MTSz"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Qf3 0-0 9. 0-0 Kh8 10. Be3 Nbd7 11. Rad1 Qc7 12. a4 Qa5 13. Bd2 Qc5 14. Be3 Qa5 15. Bd2 Qc5 16. Be3 Qa5 17. Bd2 1/2-1/2

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.09"]
[Round "4.57"]
[White "Maciaga, Marcin"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2134"]
[BlackElo "2105"]
[PlyCount "99"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Zielonka Zieloni"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 e6 8. b3 Nc6 9. Ba3 Ne4 10. Qd3 Nxc3 11. Qxc3 g5 12. Rad1 g4 13. Ne1 Qg5 14. c5 d5 15. Bc1 Qh5 16. b4 Bd7 17. Be3 Ne7 18. Rd2 Bb5 19. Qa1 a5 20. bxa5 Rxa5 21. Qb1 c6 22. Nd3 Rfa8 23. Rc1 Qf7 24. Bf1 Ng6 25. Nb2 Ra3 26. Nd1 Bc4 27. Nc3 R8a7 28. Qb4 Bf6 29. Rb1 Qg7 30. Rdd1 R3a6 31. a4 e5 32. dxe5 Bxe5 33. Bd2 Qe7 34. Bg2 Bd4 35. Bh6 Bxc5 36. Qb2 d4 37. e3 Qf6 38. exd4 Bd6 39. Qd2 Ne7 40. d5 c5 41. Re1 Be5 42. Rxe5 Qxe5 43. Re1 Qc7 44. Qg5+ Rg6 45. Rxe7 Rxg5 46. Rxc7 Rg6 47. Be3 Rb6 48. Rxc5 Rxa4 49. h4 Rd6 50. Nxa4 1-0

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.08"]
[Round "3.45"]
[White "Lach, Piotr"]
[Black "Wolynski, Krzysztof"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2105"]
[BlackElo "2102"]
[PlyCount "57"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Rybnik MKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. 0-0 d5 6. e5 Bg4 7. h3 Bh5 8. e6 Bxf3 9. exf7+ Kxf7 10. Qxf3+ Nf6 11. g4 e5 12. d3 h6 13. Qg2 Bd6 14. Nc3 Ra7 15. Bd2 Re8 16. Rae1 Rae7 17. Ne2 Qb8 18. Ng3 Qxb2 19. Nf5 Rd7 20. g5 hxg5 21. Qxg5 Bf8 22. Nh4 Re6 23. Qg6+ Kg8 24. Nf5 Bd6 25. Rb1 Qxc2 26. Bh6 Ree7 27. Nxd6 Rxd6 28. Rb8+ Re8 29. Qxg7# 1-0

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.07"]
[Round "2.33"]
[White "Plichta, Kamil"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2277"]
[BlackElo "2105"]
[PlyCount "89"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Gostynin Gostmat 83"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 f5 2. Bg5 g6 3. Nc3 Bg7 4. h4 h6 5. Bf4 Nf6 6. e3 d6 7. Qf3 Nh5 8. 0-0-0 0-0 9. Nh3 Nc6 10. Bc4+ Kh8 11. Kb1 Bd7 12. Bh2 Na5 13. Bd3 c5 14. dxc5 Bc6 15. Qe2 dxc5 16. g4 Qb6 17. Kc1 c4 18. Bxf5 gxf5 19. g5 Bxh1 20. Rxh1 Qg6 21. Rg1 Rg8 22. Nd5 Nc6 23. gxh6 Qxh6 24. Rg5 Nf6 25. Bf4 Nxd5 26. Rh5 Nxf4 27. Nxf4 e5 28. Ne6 Nd4 29. Rxh6+ Bxh6 30. Qh5 Rg1+ 31. Kd2 c3+ 32. bxc3 Nxe6 33. Qxh6+ Kg8 34. Qxe6+ Kh7 35. Qxf5+ Kh8 36. Qxe5+ Kh7 37. Qe4+ Kh8 38. Qxb7 Rd8+ 39. Ke2 Rgd1 40. f4 R1d2+ 41. Kf3 Rxc2 42. Qxa7 Rxc3 43. a4 Rcc8 44. h5 Ra8 45. Qe7 1-0

[Event "POL-chT 2nd League"]
[Site "Szczyrk"]
[Date "2014.09.06"]
[Round "1.39"]
[White "Lach, Piotr"]
[Black "Kaim, Piotr"]
[Result "1/2-1/2"]
[ECO "C09"]
[WhiteElo "2105"]
[BlackElo "2216"]
[PlyCount "83"]
[EventDate "2014.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Warszawa YMCA"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 cxd4 7. Nxd4 Bd7 8. N2f3 Bd6 9. 0-0 Nge7 10. Re1 0-0 11. Bd3 h6 12. h3 a6 13. c3 Re8 14. Bc2 Qc7 15. Be3 Ng6 16. Bxg6 fxg6 17. Qd3 Re4 18. Nb3 Ne7 19. Nbd2 Re6 20. Bd4 Nf5 21. Rxe6 Bxe6 22. Re1 Qf7 23. Be5 Bc5 24. Nb3 Bb6 25. Nbd4 Nxd4 26. Bxd4 Bf5 27. Qd2 Bxd4 28. Nxd4 Bd7 29. Nc2 Bc6 30. Qd4 Re8 31. Rxe8+ Qxe8 32. Qe3 Qf7 33. Nd4 Bd7 34. Qe5 Kh7 35. f3 Bc8 36. Kf2 g5 37. Kg1 Qf4 38. Qxd5 Qc1+ 39. Kh2 Qf4+ 40. Kg1 Qc1+ 41. Kh2 Qf4+ 42. Kg1 1/2-1/2

[Event "Golden Rook op 56th"]
[Site "Chotowa"]
[Date "2014.06.12"]
[Round "7"]
[White "Lis, Marek"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2123"]
[BlackElo "2164"]
[PlyCount "117"]
[EventDate "2014.06.08"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. 0-0-0 Be7 10. Qd3 Qa5 11. h4 h6 12. Bd2 Qc7 13. Nd4 a6 14. f4 0-0-0 15. h5 Nd7 16. g4 Nb6 17. f5 e5 18. Nxc6 Qxc6 19. Be3 Bg5 20. Bxg5 hxg5 21. Nd5 Nxd5 22. Qxd5 Qxd5 23. Rxd5 f6 24. c4 Kc7 25. b4 Rd7 26. Kb2 Rdd8 27. a4 Rd7 28. Kb3 Rdd8 29. Rhd1 Rd7 30. a5 Rhd8 31. b5 axb5 32. cxb5 Kb8 33. b6 Kc8 34. Kc4 Kb8 35. R5d3 Rc8+ 36. Kd5 Re7 37. Rb3 Ree8 38. Rb5 Rc2 39. h6 gxh6 40. Rh1 Rd2+ 41. Kc4 Rd4+ 42. Kb3 Rxe4 43. Rxh6 Rxg4 44. Rxf6 Rf4 45. Rd5 g4 46. Rfxd6 Kc8 47. Rc5+ Kb8 48. Rxe5 Rf8 49. Rd7 Rf3+ 50. Kc4 Rf4+ 51. Kd3 Ra4 52. f6 Kc8 53. Rc7+ Kb8 54. f7 Rd8+ 55. Kc3 Rad4 56. Rc4 Rd3+ 57. Kb4 g3 58. Re8 g2 59. f8Q 1-0

[Event "Golden Rook op 56th"]
[Site "Chotowa"]
[Date "2014.06.11"]
[Round "5"]
[White "Lach, Piotr"]
[Black "Kowalczyk, Rafal"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2164"]
[BlackElo "2200"]
[PlyCount "120"]
[EventDate "2014.06.08"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. c3 Bg4 6. d3 Nf6 7. Re1 0-0 8. Bb3 Kh8 9. Nbd2 Ne7 10. h3 Bd7 11. d4 exd4 12. cxd4 Bb4 13. Ng5 Be8 14. e5 dxe5 15. dxe5 Nfg8 16. Re4 Nc6 17. h4 h6 18. Ngf3 f5 19. Re3 f4 20. Re4 Bg6 21. Qe2 Nge7 22. Bc2 Bh5 23. Nb3 Ng6 24. Qd3 Qxd3 25. Bxd3 Bxf3 26. gxf3 Ncxe5 27. Be2 Bd6 28. h5 Nh4 29. Nd4 Rae8 30. Kf1 Nd7 31. Bd2 Rxe4 32. fxe4 f3 33. Bc4 Nf6 34. Ne6 Nxe4 35. Bc3 Rf7 36. Nd8 Re7 37. Nf7+ Kh7 38. Nxd6 Nxd6 39. Bd3+ Kg8 40. Re1 Rxe1+ 41. Bxe1 Kf7 42. Bc3 g6 43. Kg1 gxh5 44. Kh2 Nhf5 45. Be5 Ke6 46. Bf4 h4 47. Kh3 c5 48. Bxd6 Nxd6 49. Kxh4 Kd5 50. Kg3 Nf7 51. Bf5 Ne5 52. b3 b5 53. Kf4 Kd4 54. Bh7 h5 55. Bf5 h4 56. Kg5 Nd3 57. Kxh4 Nxf2 58. Bd7 c4 59. bxc4 bxc4 60. Kg3 Ke5 0-1

[Event "Golden Rook op 56th"]
[Site "Chotowa"]
[Date "2014.06.11"]
[Round "6"]
[White "Zochowski, Kacper"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B93"]
[WhiteElo "2053"]
[BlackElo "2164"]
[PlyCount "73"]
[EventDate "2014.06.08"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bd3 Be7 9. 0-0 exf4 10. Bxf4 0-0 11. Kh1 Nc5 12. Nd4 g6 13. Qf3 Ne6 14. Be3 Ng4 15. Qxg4 Nxd4 16. Qd1 Nc6 17. Nd5 Be6 18. Nxe7+ Qxe7 19. Qd2 f6 20. Rad1 Rad8 21. c4 Ne5 22. b3 Qc7 23. Be2 Qc6 24. Qd4 Rd7 25. Rf2 Rff7 26. Rdf1 f5 27. exf5 Bxf5 28. Bf4 Qe4 29. Bxe5 dxe5 30. Qc5 Qd4 31. Qxd4 Rxd4 32. Bg4 e4 33. Bxf5 Rxf5 34. Rxf5 gxf5 35. Kg1 f4 36. Re1 Kf7 37. Re2 1/2-1/2

[Event "Golden Rook op 56th"]
[Site "Chotowa"]
[Date "2014.06.10"]
[Round "3"]
[White "Lach, Piotr"]
[Black "Osinski, Emil"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2164"]
[BlackElo "1918"]
[PlyCount "116"]
[EventDate "2014.06.08"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5 a6 9. N5c3 Be7 10. Nd2 b5 11. Bxf6 Bxf6 12. a4 b4 13. Nd5 Be6 14. Nc4 Nd4 15. Nxb4 a5 16. Nd5 Bxd5 17. exd5 Rb8 18. Bd3 0-0 19. 0-0 Qc7 20. Re1 Rfe8 21. f3 Bg5 22. Kh1 f5 23. b3 Re7 24. Rb1 Rbe8 25. c3 e4 26. Bf1 Bh4 27. Qxd4 Bxe1 28. Rxe1 exf3 29. Rxe7 fxg2+ 30. Bxg2 Qxe7 31. h3 Qg5 32. Qf2 Qf6 33. Qf4 Qxc3 34. Qxd6 Qd4 35. Kh2 h6 36. Qg6 Qf4+ 37. Qg3 Qd4 38. Qg6 Qf4+ 39. Qg3 Qd4 40. Nd6 f4 41. Qg6 Re1 42. Qf7+ Kh7 43. Be4+ Rxe4 44. Qf5+ Kh8 45. Qxe4 Qb2+ 46. Qg2 Qxb3 47. Nf5 g5 48. Qd2 Kh7 49. d6 Kg6 50. Ne7+ Kh5 51. Nf5 Kg6 52. d7 Kxf5 53. d8Q Qg3+ 54. Kh1 Qxh3+ 55. Kg1 Qg3+ 56. Qg2 Qe1+ 57. Kh2 Kg6 58. Qd6+ Kh5 1-0

[Event "Golden Rook op 56th"]
[Site "Chotowa"]
[Date "2014.06.10"]
[Round "4"]
[White "Pulik, Krzysztof"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2116"]
[BlackElo "2164"]
[PlyCount "59"]
[EventDate "2014.06.08"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Bd6 6. Be3 cxd4 7. Nxd4 Nf6 8. Bd3 0-0 9. h3 Nc6 10. 0-0 Nxd4 11. Bxd4 Ne4 12. Nd2 Re8 13. Re1 f5 14. Nf1 Be6 15. Qc2 g6 16. f3 Ng3 17. Bb5 Bd7 18. Qb3 Bc6 19. Ne3 Bc7 20. c4 Qd6 21. cxd5 Bxb5 22. Qxb5 Ne2+ 23. Rxe2 Qh2+ 24. Kf1 Bd6 25. Ng4 Qh1+ 26. Kf2 Rxe2+ 27. Qxe2 Qxa1 28. Qe6+ Kf8 29. Qxd6+ Kf7 30. Qd7+ 1-0

[Event "Golden Rook op 56th"]
[Site "Chotowa"]
[Date "2014.06.09"]
[Round "2"]
[White "Karwowski, Kacper"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1937"]
[BlackElo "2164"]
[PlyCount "113"]
[EventDate "2014.06.08"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. d4 e5 6. dxe5 Qxd1+ 7. Kxd1 Bg4 8. Be2 0-0-0+ 9. Nbd2 Bxf3 10. Bxf3 Nxe5 11. Kc2 Nf6 12. Ne4 Nxf3 13. Nxf6 gxf6 14. gxf3 Bd6 15. Bh6 Rhg8 16. Rag1 Rg6 17. Be3 f5 18. Rxg6 hxg6 19. Bg5 Re8 20. Kd1 Rh8 21. Ke2 f4 22. Kd3 Rh5 23. h4 Rh8 24. Re1 Kd7 25. Kc4 Kc6 26. a4 a5 27. Re4 Kd7 28. Kb5 f5 29. Re1 Rc8 30. Kc4 b6 31. b3 Rc6 32. Rd1 Ke6 33. Re1+ Kd7 34. Rd1 Ke6 35. Kb5 Rc8 36. c4 Be5 37. Rd8 Rc7 38. Kxb6 Rf7 39. Kxc5 Bc3 40. Kc6 Ke5 41. Re8+ Kd4 42. Bxf4 Bb4 43. Re3 Rf6+ 44. Kb5 Bd6 45. Bxd6 Rxd6 46. Re1 Kc3 47. c5 Rd5 48. Kb6 Kxb3 49. c6 Rd6 50. Kc5 Rd8 51. c7 Rf8 52. Kb6 Kxa4 53. Kb7 Kb3 54. c8Q Rxc8 55. Kxc8 a4 56. Kd7 a3 57. Ke6 1-0

[Event "Golden Rook op 56th"]
[Site "Chotowa"]
[Date "2014.06.09"]
[Round "1"]
[White "Lach, Piotr"]
[Black "Palosz, Andrzej"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2164"]
[BlackElo "2121"]
[PlyCount "75"]
[EventDate "2014.06.08"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. c4 d6 7. 0-0 b6 8. Qe2 Bb7 9. b3 g6 10. Bb2 Bg7 11. Nd2 Nbd7 12. Rae1 0-0 13. Bb1 Re8 14. N4f3 Ng4 15. Ba3 Qc7 16. h3 Nge5 17. Nxe5 Nxe5 18. f4 Nc6 19. Nf3 Nd4 20. Nxd4 Bxd4+ 21. Kh1 b5 22. Qd2 Qb6 23. cxb5 axb5 24. Bb4 f5 25. Rd1 Bc5 26. Rfe1 fxe4 27. Bxc5 dxc5 28. Bxe4 Bxe4 29. Rxe4 Red8 30. Qe2 Rxd1+ 31. Qxd1 Rxa2 32. Qd7 Ra1+ 33. Kh2 Ra6 34. Qe8+ Kg7 35. Qe7+ Kg8 36. Qe8+ Kg7 37. Qe7+ Kg8 38. Qe8+ 1/2-1/2

[Event "POL-chT2"]
[Site "Poronin"]
[Date "2013.09.15"]
[Round "9"]
[White "Smola, Michal"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2160"]
[BlackElo "2156"]
[PlyCount "59"]
[EventDate "2013.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Czarna LKSz GCKiP"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 d6 8. c3 0-0 9. Nbd2 Rb8 10. Nf1 e5 11. h4 d5 12. Qe2 d4 13. c4 a6 14. a4 Nb4 15. b3 f6 16. Ba3 Nec6 17. N3h2 a5 18. Ne3 Be6 19. Bxb4 axb4 20. Nc2 Qc7 21. Reb1 Qd7 22. f3 g5 23. h5 h6 24. g4 Ra8 25. Rb2 Ra7 26. Rbb1 Raa8 27. Rb2 Ra7 28. Rbb1 Raa8 29. Rb2 Ra7 30. Rbb1 1/2-1/2

[Event "POL-chT2"]
[Site "Poronin"]
[Date "2013.09.14"]
[Round "8.67"]
[White "Lach, Piotr"]
[Black "Steczek, Marcin"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2156"]
[BlackElo "2382"]
[PlyCount "103"]
[EventDate "2013.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Konin Hetman"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 b6 5. exd5 exd5 6. c3 Nf6 7. Ngf3 0-0 8. 0-0 Bb7 9. Ne5 c5 10. Re1 Nc6 11. Ndf3 Nxe5 12. Nxe5 Rc8 13. Bf4 Ne4 14. Qg4 f5 15. Qh5 Rf6 16. f3 g6 17. Qh3 Nd6 18. Re2 cxd4 19. cxd4 Nf7 20. a3 Nxe5 21. Bxe5 Rfc6 22. Qh6 Bf8 23. Qe3 Re6 24. Qf4 Qd7 25. Rae1 Rce8 26. g4 fxg4 27. Qxg4 Qf7 28. f4 Bc8 29. f5 Rc6 30. Rf1 Bg7 31. Bxg7 Rxe2 32. Qxe2 Kxg7 33. fxg6 Rxg6+ 34. Bxg6 Qxg6+ 35. Qg2 Bg4 36. Kh1 Bd7 37. Qxg6+ Kxg6 38. Kg1 a5 39. Rf8 Ba4 40. Kf2 Bc2 41. Rb8 Kf5 42. Ke3 a4 43. Rxb6 h5 44. Rb5 Be4 45. Ra5 Kg4 46. Kf2 Kh3 47. Kg1 Kg4 48. Rxa4 Kf3 49. Rb4 Ke3 50. a4 Bd3 51. a5 Bc4 52. Rxc4 1-0

[Event "POL-chT2"]
[Site "Poronin"]
[Date "2013.09.13"]
[Round "7.79"]
[White "Kocwin, Bartosz"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2195"]
[BlackElo "2156"]
[PlyCount "98"]
[EventDate "2013.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Strzelce Opolskie Strzelec"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 0-0 6. Nf3 d6 7. 0-0 e6 8. Qc2 Nc6 9. Rd1 Qe7 10. Rb1 e5 11. dxe5 Nxe5 12. Bg5 c6 13. b3 Nf7 14. Bf4 Nh5 15. Bc1 Re8 16. Nd4 Nf6 17. e3 Ne4 18. Nde2 Bd7 19. h3 Rad8 20. Bb2 Bc8 21. Nf4 Nfg5 22. Na4 Bxb2 23. Qxb2 Ne6 24. Nxe6 Qxe6 25. Qd4 d5 26. cxd5 Rxd5 27. Qxa7 Qd6 28. Rxd5 Qxd5 29. Qd4 Qxd4 30. exd4 Rd8 31. Rd1 Nf6 32. Nc3 Be6 33. b4 Nd5 34. Bxd5 Bxd5 35. Nxd5 Rxd5 36. a4 Kf7 37. Kf1 Rd8 38. Ke2 Ke6 39. Kd3 Kd5 40. Re1 Kd6 41. a5 Rf8 42. f4 b6 43. axb6 Rb8 44. Kc4 Rxb6 45. Ra1 Rb7 46. Ra6 Kd7 47. Ra4 Kd6 48. d5 Re7 49. dxc6 Kxc6 1-0

[Event "POL-chT2"]
[Site "Poronin"]
[Date "2013.09.11"]
[Round "5"]
[White "Lach, Piotr"]
[Black "Kosiorek, Marek"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2156"]
[BlackElo "2348"]
[PlyCount "83"]
[EventDate "2013.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Grudziadz Rotmistrz II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 Nc6 9. Bd3 Be7 10. a3 0-0 11. Qe2 Nf6 12. 0-0 Nxd4 13. Nxd4 Qxd4 14. Be3 Qg4 15. f3 Qh5 16. g4 Qa5 17. b4 Qd8 18. Rfd1 Bd7 19. g5 Nd5 20. Nxd5 exd5 21. Bxh7+ Kxh7 22. Rxd5 Qe8 23. Qd3+ Kg8 24. Rxd7 Bxg5 25. Bxg5 Qe5 26. Rd1 Qxg5+ 27. Kh1 Qf6 28. Rd6 Qf4 29. Rd4 Qf6 30. Rd6 Qb2 31. Rd2 Qe5 32. Qd4 Qe1+ 33. Qg1 Rfe8 34. Qxe1 Rxe1+ 35. Kg2 Ra1 36. Rd8+ Rxd8 37. Rxd8+ Kh7 38. Rd7 Rxa3 39. Rxb7 f6 40. b5 Kh6 41. b6 axb6 42. Rxb6 1/2-1/2

[Event "POL-chT2"]
[Site "Poronin"]
[Date "2013.09.08"]
[Round "2.85"]
[White "Lach, Piotr"]
[Black "Kiedrowicz, Jan"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2156"]
[BlackElo "2312"]
[PlyCount "40"]
[EventDate "2013.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Myslenice MLKSz"]
[BlackTeam "Chojnice UKS Osemka"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. a4 b6 5. Be3 d6 6. Qd2 Bb7 7. f3 Nd7 8. d5 c6 9. dxc6 Bxc6 10. Nge2 Bb7 11. Nd4 Ngf6 12. g4 h6 13. h4 Ne5 14. h5 g5 15. Bg2 e6 16. 0-0-0 Qe7 17. Nb3 d5 18. Bxb6 dxe4 19. Bd4 Qc7 20. Nc5 Nc6 1/2-1/2

[Event "POL-chT2"]
[Site "Poronin"]
[Date "2013.09.07"]
[Round "1"]
[White "Skawinski, Arkadiusz"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2284"]
[BlackElo "2156"]
[PlyCount "101"]
[EventDate "2013.09.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Gostynin Gostmat 83"]
[BlackTeam "Myslenice MLKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. c3 Qa5 3. Nf3 Nc6 4. a3 e6 5. d4 Qc7 6. Bd3 d6 7. 0-0 Nf6 8. b4 b6 9. Qe2 e5 10. Bb5 Bd7 11. bxc5 bxc5 12. Bg5 Be7 13. Nbd2 0-0 14. d5 Nb8 15. Bxf6 Bxf6 16. Bxd7 Nxd7 17. Qa6 Qb6 18. Qa4 Qc7 19. Rfb1 Rab8 20. Qa6 Rxb1+ 21. Rxb1 Rb8 22. Rb5 Be7 23. g3 Rb6 24. Qa4 Nf6 25. Qa5 Qb7 26. a4 Rxb5 27. axb5 h6 28. Qa4 Nd7 29. Nc4 Nb6 30. Qb3 Nxc4 31. Qxc4 Bd8 32. Qa4 Qb6 33. Nd2 Qa5 34. Qxa5 Bxa5 35. Nc4 Bc7 36. f4 f6 37. h4 g6 38. h5 g5 39. fxe5 fxe5 40. Kg2 Kg7 41. Kf3 Kf7 42. Ne3 Kf6 43. Kg4 Ba5 44. c4 Bd8 45. Nf5 Bc7 46. Nxh6 Kg7 47. Nf5+ Kf6 48. h6 Kg6 49. h7 Kxh7 50. Kxg5 Bd8+ 51. Kh5 1-0

[Event "POL-UKR U26"]
[Site "Lublin"]
[Date "2012.11.24"]
[Round "5.4"]
[White "Lach, Piotr"]
[Black "Baliy, Andriy"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2190"]
[BlackElo "1977"]
[PlyCount "83"]
[EventDate "2012.11.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]
[WhiteTeam "Krakow Gorniczo Hutnicza Acad"]
[BlackTeam "Ivano Frankovsk Technical Univ"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "UKR"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. Bb5 Bd7 6. 0-0 a6 7. Bc4 Bg4 8. h3 Bh5 9. g4 Bg6 10. d4 0-0-0 11. Be3 h5 12. g5 h4 13. Kg2 Bh5 14. Be2 e6 15. a3 Qf5 16. Qd2 Bd6 17. Rh1 Nge7 18. Nxh4 Qh7 19. Bd3 Nf5 20. Nxf5 exf5 21. f4 Bxf4 22. Bxf4 Nxd4 23. Raf1 g6 24. Be5 Nf3 25. Rxf3 Bxf3+ 26. Kxf3 Qh5+ 27. Kg2 Rhe8 28. Bf6 Rd6 29. Re1 Rde6 30. Rxe6 fxe6 31. Bc4 b5 32. Be2 Qh4 33. Bf3 Qc4 34. Qd4 Qxd4 35. Bxd4 e5 36. Bc5 e4 37. Be2 f4 38. Bg4+ Kb8 39. h4 Rh8 40. Nxe4 Rxh4 41. Nf2 Rh8 42. Kf3 1-0

[Event "POL-UKR U26"]
[Site "Lublin"]
[Date "2012.11.23"]
[Round "4.3"]
[White "Lach, Piotr"]
[Black "Shumilov, Ilya"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2190"]
[BlackElo "2312"]
[PlyCount "72"]
[EventDate "2012.11.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]
[WhiteTeam "Krakow Gorniczo Hutnicza Acad"]
[BlackTeam "Kiev Taras Shevchenko Univ"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "UKR"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 Nbd7 9. a4 h5 10. Bc4 Qc7 11. Ba2 Ne5 12. Qe2 Bd7 13. 0-0 Rc8 14. Rfd1 Nc4 15. Bxc4 Qxc4 16. Qxc4 Rxc4 17. Nb3 0-0 18. a5 Rfc8 19. Rd2 Be8 20. Rad1 Kf8 21. Bd4 R4c6 22. e5 dxe5 23. Bxe5 Re6 24. f4 Ng4 25. Nd4 Rxe5 26. fxe5 Bxe5 27. Nf3 Bc7 28. Ra1 e6 29. Ne4 Bf4 30. Rad1 Be3+ 31. Kh1 Bxd2 32. Rxd2 Bc6 33. Nd6 Rd8 34. Ne4 Rxd2 35. Nfxd2 Ke7 36. Kg1 Ne5 0-1

[Event "POL-UKR U26"]
[Site "Lublin"]
[Date "2012.11.22"]
[Round "2.3"]
[White "Lach, Piotr"]
[Black "Mjasoedov, Gleb"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2190"]
[BlackElo "2190"]
[PlyCount "76"]
[EventDate "2012.11.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]
[WhiteTeam "Krakow Gorniczo Hutnicza Acad"]
[BlackTeam "Donetsk National Univ"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "UKR"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. c5 Be7 8. Bd3 0-0 9. 0-0 b6 10. Bb5 Bd7 11. Bxc6 Bxc6 12. Ne5 Qc8 13. cxb6 axb6 14. Qb3 Qb7 15. Bf4 Nd7 16. Nxc6 Qxc6 17. Rfc1 Qc4 18. Nb5 Qxb3 19. axb3 g5 20. Bd2 Rxa1 21. Rxa1 Nb8 22. Ra7 Bf6 23. Bc3 Nc6 24. Rc7 Na5 25. b4 Nb3 26. Rb7 Rc8 27. Kf1 Rc6 28. Ke2 g4 29. Kd1 Bg5 30. Kc2 Na1+ 31. Kb1 Nb3 32. Kc2 Na1+ 33. Kd3 f6 34. Na7 Rc4 35. Rxb6 e5 36. dxe5 fxe5 37. Rc6 Rf4 38. Bxe5 Rxf2 0-1

[Event "POL-UKR U26"]
[Site "Lublin"]
[Date "2012.11.21"]
[Round "1.3"]
[White "Susla, Mikhail"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1987"]
[BlackElo "2190"]
[PlyCount "61"]
[EventDate "2012.11.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Ternopol Economic Univ"]
[BlackTeam "Krakow Gorniczo Hutnicza Acad"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a4 Be6 10. Be3 Nbd7 11. Kh1 Qc7 12. f4 exf4 13. Bxf4 Ne5 14. Nd5 Bxd5 15. exd5 Nfd7 16. Nd2 Rac8 17. c4 Qb6 18. Rb1 Qb4 19. b3 b5 20. Nf3 Nxf3 21. Bxf3 Bf6 22. Qe1 Qxe1 23. Rfxe1 Be5 24. Bd2 Nc5 25. Be3 Rfe8 26. Bxc5 Rxc5 27. g4 b4 28. Re4 a5 29. Rbe1 g5 30. Kg2 Kg7 31. h3 1/2-1/2

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.15"]
[Round "9.3"]
[White "Ustianovich, Nazar"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2273"]
[BlackElo "2166"]
[PlyCount "138"]
[EventDate "2012.08.08"]
[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. e4 d6 5. Nf3 0-0 6. h3 Nbd7 7. Bg5 h6 8. Be3 e5 9. d5 Nh5 10. Nh2 Ndf6 11. g3 a6 12. Bg2 Bd7 13. c5 Qc8 14. Nf1 Ne8 15. Rc1 Qd8 16. b4 a5 17. b5 dxc5 18. Bxc5 b6 19. Bxf8 Bxf8 20. a4 Bc5 21. Nd2 Qg5 22. Qf3 Nd6 23. Nb3 Ba3 24. Rc2 Rf8 25. 0-0 f5 26. Nb1 fxe4 27. Qe3 Qxe3 28. fxe3 Rxf1+ 29. Kxf1 Bb4 30. Rxc7 Nf6 31. N1d2 Bf5 32. Kf2 Nxd5 33. Ra7 Nc3 34. g4 Be6 35. Re7 Nd1+ 36. Kg1 Bf7 37. Bf1 Nxe3 38. Be2 Kf8 39. Rc7 Nd5 40. Rc6 e3 41. Nf3 Nf4 42. Nc1 Bd5 43. Nxe5 Bxc6 44. bxc6 Ba3 45. Ned3 Nxh3+ 46. Kg2 Ng5 47. Nb3 Ne6 48. Kf3 b5 49. axb5 Nxb5 50. Nxa5 Nbd4+ 51. Kxe3 Nxe2 52. Kxe2 Bd6 53. Ke3 Bc7 54. Nc4 h5 55. gxh5 gxh5 56. Nb4 Nd8 57. Nd5 Nxc6 58. Nxc7 Kf7 59. Kf4 Kf6 60. Nd5+ Kg6 61. Nd2 Nd4 62. Nc4 Ne6+ 63. Ke5 Nc5 64. Nf4+ Kg5 65. Nd2 Kg4 66. Nf1 h4 67. Ne3+ Kf3 68. Ned5 Ne4 69. Kf5 Nf2 1/2-1/2

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.14"]
[Round "8.4"]
[White "Lach, Piotr"]
[Black "Brzeski, Maciej"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2166"]
[BlackElo "2314"]
[PlyCount "62"]
[EventDate "2012.08.08"]
[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 d6 6. Nc3 Nf6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Be6 11. f3 Qa5 12. Rc1 Rfc8 13. b3 a6 14. 0-0 b5 15. Nd5 Qxd2 16. Bxd2 Nxd5 17. cxd5 Bd4+ 18. Kh1 Bd7 19. Rxc8+ Rxc8 20. Rc1 Rxc1+ 21. Bxc1 a5 22. g3 e6 23. dxe6 fxe6 24. Bd2 b4 25. Bg5 d5 26. Kg2 Kg7 27. Be7 Be8 28. Bd3 Bc3 29. Kf1 a4 30. Ke2 Bc6 31. e5 axb3 1/2-1/2

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.13"]
[Round "7.2"]
[White "Kalinin, Oleg"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2343"]
[BlackElo "2166"]
[PlyCount "88"]
[EventDate "2012.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. Bg5 g6 4. Bxf6 exf6 5. e3 d5 6. c4 Bb4+ 7. Nbd2 c6 8. Qb3 Qa5 9. a3 Bxd2+ 10. Nxd2 f4 11. cxd5 fxe3 12. fxe3 Qxd5 13. Bc4 Qd8 14. 0-0 Qe7 15. e4 b5 16. Be2 a6 17. a4 Be6 18. Qf3 0-0 19. axb5 cxb5 20. Bxb5 Qb4 21. Qd3 Nd7 22. Bc4 Bxc4 23. Qxc4+ Qxc4 24. Nxc4 Rfe8 25. Rfe1 Rec8 26. Rec1 Rc6 27. Na5 Rb6 28. Rc7 Nf8 29. Rb7 Re6 30. Re1 Rae8 31. Ra7 Rxe4 32. Rxe4 Rxe4 33. Rxa6 Rxd4 34. Rxf6 Rb4 35. Rf2 Ne6 36. Nc6 Rb6 37. Rc2 Nf4 38. Ne5 Rb5 39. Nc4 Rb4 40. Kf2 Rb3 41. Nd2 Rxb2 42. Rxb2 Nd3+ 43. Ke3 Nxb2 44. Kd4 Kf7 1/2-1/2

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.12"]
[Round "6.10"]
[White "Lach, Piotr"]
[Black "Sanetra, Szymon"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "2166"]
[BlackElo "2002"]
[PlyCount "65"]
[EventDate "2012.08.08"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 0-0 9. 0-0 Nc6 10. Re1 Ncb4 11. Bb1 Nf6 12. a3 Nbd5 13. Qd3 g6 14. Ba2 Nxc3 15. bxc3 Qd6 16. Bh6 Rd8 17. Ne5 Bd7 18. Qh3 Be8 19. Bg5 Nh5 20. Bxe7 Qxe7 21. d5 Nf4 22. Qf3 Nxd5 23. Bxd5 exd5 24. Nxg6 Qg5 25. Ne7+ Kh8 26. Rad1 Rd6 27. Nxd5 Bc6 28. c4 Rg8 29. Qc3+ f6 30. g3 b5 31. Ne7 Rgd8 32. Rxd6 Rxd6 33. c5 1-0

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.12"]
[Round "5.5"]
[White "Slabek, Grzegorz"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "2106"]
[BlackElo "2166"]
[PlyCount "112"]
[EventDate "2012.08.08"]
[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. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 e6 8. Qc2 Nc6 9. Rd1 Qe7 10. d5 Nb4 11. Qb3 Na6 12. dxe6 Nc5 13. Qc2 Bxe6 14. b3 Rae8 15. Bb2 c6 16. e3 Nfe4 17. Ne2 Bh6 18. Bd4 a5 19. Nf4 g5 20. Nxe6 Qxe6 21. Nd2 g4 22. Nxe4 Nxe4 23. Bxe4 fxe4 24. Bc3 Rf5 25. Qd2 Bf8 26. Qd4 Rh5 27. Qh8+ Kf7 28. Rd2 Qh6 29. h4 gxh3 30. Kh2 Rg5 31. Rad1 Rg8 32. Qd4 Bg7 33. Qb6 Bxc3 34. Rxd6 Qg5 35. Qxb7+ Re7 36. Rd7 Rge8 37. Qxc6 Qf5 38. Qd5+ Qxd5 39. R7xd5 Re5 40. Kxh3 Rxd5 41. Rxd5 Re6 42. Kg4 Rf6 43. Rf5 Be1 44. Rf4 Bxf2 45. Rxe4 Rg6+ 46. Kf3 Bxg3 47. Rd4 Ke6 48. Rd5 Be1 49. Rh5 h6 50. a3 Kd6 51. Ke2 Bc3 52. Kd3 Be1 53. Ke2 Bc3 54. Kd3 Be1 55. Ke2 Bc3 56. Kd3 Be1 1/2-1/2

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.10"]
[Round "3.1"]
[White "Janczarski, Michal"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "2344"]
[BlackElo "2166"]
[PlyCount "60"]
[EventDate "2012.08.08"]
[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. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 e6 8. Bg5 h6 9. Bxf6 Qxf6 10. e4 Nc6 11. d5 exd5 12. exd5 Nd4 13. Nxd4 Qxd4 14. Qa4 Qb6 15. Qc2 Bd7 16. Rab1 a5 17. Rfc1 Rae8 18. Bf3 g5 19. Re1 Qc5 20. Be2 f4 21. g4 f3 22. Bf1 Qd4 23. h3 Bxg4 24. Rxe8 Rxe8 25. Qg6 Re7 26. Rd1 Qf4 27. hxg4 Qxg4+ 28. Kh1 Qh4+ 29. Kg1 Qg4+ 30. Kh1 Kh8 1/2-1/2

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.09"]
[Round "2.14"]
[White "Lach, Piotr"]
[Black "Grota, Mateusz"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2166"]
[BlackElo "1815"]
[PlyCount "61"]
[EventDate "2012.08.08"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d4 exd4 9. e5 Ne8 10. Bd5 Bb7 11. Nxd4 Na5 12. Nf5 d6 13. Bxb7 Nxb7 14. Qd5 Rb8 15. Nd4 Na5 16. e6 c5 17. exf7+ Rxf7 18. Ne6 Qc8 19. Bg5 Nf6 20. Bxf6 Bxf6 21. Nc3 Qc6 22. Rad1 Qxd5 23. Rxd5 Nc4 24. Ne4 Bxb2 25. Nxd6 Nxd6 26. Rxd6 Re8 27. Rxa6 Rfe7 28. f3 h6 29. Re4 Kf7 30. Nxc5 Rxe4 31. Nxe4 1-0

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.08"]
[Round "1.15"]
[White "Latka, Tadeusz"]
[Black "Lach, Piotr"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1576"]
[BlackElo "2166"]
[PlyCount "118"]
[EventDate "2012.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 0-0 6. c4 d6 7. 0-0 e5 8. d3 Nc6 9. Qc2 Qe7 10. a3 Nd8 11. Nc3 c6 12. e4 f4 13. Qd2 Ne6 14. Ne2 g5 15. a4 g4 16. Nh4 f3 17. Bxf3 gxf3 18. Nxf3 Nh5 19. Nh4 Nef4 20. Nxf4 Nxf4 21. gxf4 Qxh4 22. f5 Bh6 23. Qe2 Bf4 24. f3 Kf7 25. Kh1 Rg8 26. Rg1 Bd7 27. Rg4 Rxg4 28. fxg4 Rg8 29. Rg1 c5 30. Bc3 Rg5 31. Be1 Qh3 32. a5 h5 33. gxh5 Rxg1+ 34. Kxg1 Qe3+ 35. Qxe3 Bxe3+ 36. Kg2 Bg5 37. Kf3 Kg7 38. Kg4 Kh6 39. Bh4 Bxh4 40. Kxh4 Be8 41. Kg3 Bxh5 42. Kf2 Bd1 43. Ke3 Bxb3 44. Kd2 Ba4 45. Ke3 Kg5 46. Kf3 Bd1+ 47. Ke3 Bh5 48. Kd2 Kf4 49. Kc2 Kf3 50. Kd2 Kf2 51. Kc2 Kg2 52. h4 Kg3 53. Kd2 Kxh4 54. Ke3 Kg3 55. Kd2 Kf2 56. Kc3 Ke1 57. Kc2 Ke2 58. Kc3 Kd1 59. f6 Bf7 0-1

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.05.06"]
[Round "9"]
[White "Lach, Piotr"]
[Black "Jablonska, Sabina"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2166"]
[BlackElo "1960"]
[PlyCount "109"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 h6 11. Bxf6 Bxf6 12. h4 Qb6 13. Nb3 Qc7 14. Nd4 Qb6 15. Nb3 Qc7 16. Ne2 g5 17. hxg5 hxg5 18. Rxh8+ Bxh8 19. fxg5 Ne5 20. Qh3 Bg7 21. Nf4 Qe7 22. Qh5 Bd7 23. Qh7 Bf8 24. Nh3 Nxg4 25. Be2 Ne5 26. Bh5 0-0-0 27. Nd4 Be8 28. Qg8 d5 29. exd5 Rxd5 30. Nf4 Rd7 31. Be2 Qc5 32. c3 Nc6 33. Nd3 Qe7 34. Nxc6 bxc6 35. Rh1 Rd8 36. Rh7 Qd6 37. Rh1 Be7 38. g6 fxg6 39. Rd1 Qg3 40. Qxe6+ Rd7 41. Qxc6+ Qc7 42. Qa8+ Qb8 43. Qxa6+ Qb7 44. Qxb7+ Kxb7 45. Bg4 Bg5+ 46. Kc2 Rh7 47. Nc5+ Kb6 48. b4 Rh2+ 49. Kb3 Rg2 50. Bh3 Rg3 51. Rd3 Bf7+ 52. c4 Rg1 53. Rd6+ Kc7 54. Rd7+ Kb6 55. Na4+ 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.05.05"]
[Round "8"]
[White "Gbyl, Andrzej"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2223"]
[BlackElo "2166"]
[PlyCount "60"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Bd3 Qd7 7. Nge2 Nc6 8. a3 0-0-0 9. Na4 g6 10. b4 Na5 11. Nc5 Bxc5 12. dxc5 Nc4 13. Nd4 c6 14. a4 f4 15. exf4 Bg4 16. f3 Bh3 17. Rg1 Ne3 18. Qd2 Nxg2+ 19. Rxg2 Bxg2 20. Qxg2 f5 21. Kf1 Rde8 22. b5 Qg7 23. Qf2 Kc7 24. Rb1 Qe7 25. bxc6 bxc6 26. Ba6 Rb8 27. Re1 Qf7 28. Re6 Rb1+ 29. Kg2 Rg8 30. Qe3 h5 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.05.04"]
[Round "7"]
[White "Lach, Piotr"]
[Black "Slabek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2166"]
[BlackElo "2071"]
[PlyCount "44"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 e6 6. Nf3 Be7 7. cxd5 exd5 8. Bb5+ Bd7 9. Bxd7+ Nbxd7 10. 0-0 0-0 11. Qb3 Nb6 12. Re1 h6 13. Bf4 Rc8 14. h3 Rc4 15. a3 Bd6 16. Bxd6 Qxd6 17. Nb5 Qb8 18. Ne5 Rcc8 19. Rac1 a6 20. Nc3 Qd6 21. Na4 Nxa4 22. Qxa4 g6 1/2-1/2

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.05.03"]
[Round "6"]
[White "Jakubiec, Artur"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2521"]
[BlackElo "2166"]
[PlyCount "73"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 d6 5. d4 cxd4 6. exd4 Bg4 7. Be2 Bg7 8. d5 Bxf3 9. Bxf3 Ne5 10. Be2 Nf6 11. Be3 0-0 12. 0-0 Ned7 13. Rb1 Nc5 14. Qc2 a5 15. a3 Nfd7 16. b4 Na6 17. Rfc1 Rc8 18. Qb3 axb4 19. axb4 Bxc3 20. Rxc3 Nf6 21. Rcc1 Qd7 22. h3 Nc7 23. Bd4 Ra8 24. Qc3 Ne4 25. Qe3 f5 26. Bf3 e5 27. dxe6 Qxe6 28. Bb2 Ra2 29. Bd1 f4 30. Qd4 Qf6 31. Qxf6 Nxf6 32. Bb3 Raa8 33. Rd1 Rad8 34. Rd4 f3 35. Rbd1 d5 36. cxd5 Rd6 37. Rc4 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.05.03"]
[Round "5"]
[White "Lach, Piotr"]
[Black "Bus, Konrad"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2166"]
[BlackElo "1994"]
[PlyCount "62"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. a3 Bb7 17. Bh3 Rg8 18. Rhe1 Rg6 19. Kb1 Bh6 20. Nf5 exf5 21. exf5+ Kf8 22. Nd5 Rxf6 23. Qc3 Bxd5 24. Qxf6 Bg7 25. Qh4 Ne4 26. Rxd5 Nc3+ 27. bxc3 Qxc3 28. f6 Bxf6 29. Qh6+ Kg8 30. Rg1+ Bg7 31. Rxg7+ Qxg7 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.05.02"]
[Round "4"]
[White "Jakubiec, Edyta"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2225"]
[BlackElo "2166"]
[PlyCount "114"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Rd1 Qc7 11. b3 Ng4 12. Qd2 Qb6 13. e3 Qa5 14. Bb2 Qh5 15. h3 Ne5 16. g4 Qh4 17. f4 Nc6 18. Qf2 Qxf2+ 19. Kxf2 Be6 20. Rac1 Rfc8 21. Ba3 Na5 22. Bf3 Bxc3 23. Rxc3 Rc7 24. Rcd3 Rac8 25. h4 b5 26. cxb5 Rb8 27. h5 Rxb5 28. h6 f5 29. gxf5 Bxf5 30. e4 Be6 31. R3d2 Rb8 32. f5 Bf7 33. f6 Nb7 34. e5 dxe5 35. fxe7 Re8 36. Rd7 Rc2+ 37. R1d2 Nc5 38. Rxc2 Nxd7 39. Bc6 Rc8 40. Rc1 Nf6 41. Ke2 Kh8 42. b4 a6 43. Rc5 Be8 44. Bb7 Rxc5 45. bxc5 Bb5+ 46. Ke1 Kg8 47. c6 Ne8 48. Bb2 Bc4 49. a3 Bd5 50. Bxa6 Kf7 51. Bxe5 Bxc6 52. Bd3 Nf6 53. Bd6 Ng4 54. Bc4+ Ke8 55. Bg8 Nxh6 56. Bxh7 Kf7 57. Bxg6+ Kxg6 1/2-1/2

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.05.01"]
[Round "3"]
[White "Lach, Piotr"]
[Black "Zaboklicki, Zbigniew"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2166"]
[BlackElo "1837"]
[PlyCount "123"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5 a6 9. N5c3 Be6 10. Nd2 Rc8 11. Nc4 Nd4 12. Bxf6 gxf6 13. Ne3 Qa5 14. Bd3 Rxc3 15. bxc3 Qxc3+ 16. Kf1 Bh6 17. a4 0-0 18. Qe1 Qc5 19. Rb1 b5 20. axb5 axb5 21. h3 Rc8 22. Kg1 Bf4 23. Rb2 Qa3 24. Qb1 Rc5 25. Nd1 Bc4 26. Bxc4 Rxc4 27. c3 Ne6 28. g3 Bh6 29. Rxb5 Ng5 30. Rb3 Qc5 31. Rb5 Qc6 32. Ne3 Nf3+ 33. Kg2 Bxe3 34. Kxf3 Bg5 35. Rb8+ Kg7 36. Rb6 Rxc3+ 37. Kg2 Qc5 38. Rb5 Qc4 39. Rb4 Qc5 40. Rb5 Qc4 41. Rb4 Qc5 42. Rb2 f5 43. Rd1 Qc4 44. h4 Bh6 45. exf5 Qc6+ 46. Kh2 Rf3 47. Qc2 Qd7 48. Qe4 Rxf5 49. Rxd6 Rxf2+ 50. Rxf2 Qxd6 51. Qf5 Qe6 52. Qxe6 fxe6 53. Re2 Kf6 54. Kg2 Bf8 55. Rf2+ Ke7 56. Kf3 h5 57. Ke4 Bg7 58. Ra2 Kf6 59. Ra7 Bf8 60. Ra5 Bd6 61. Ra8 Bc5 62. Rh8 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.04.30"]
[Round "2"]
[White "Sadzikowski, Daniel"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2392"]
[BlackElo "2166"]
[PlyCount "125"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 0-0 9. Qd2 Be6 10. 0-0-0 Qc7 11. g4 Rc8 12. g5 Nh5 13. Kb1 Nd7 14. Rg1 b5 15. Nd5 Bxd5 16. exd5 b4 17. Bh3 a5 18. Bg4 a4 19. Nc1 b3 20. cxb3 Nf4 21. Bxf4 exf4 22. Bxd7 Qxd7 23. Qxf4 axb3 24. Nxb3 Qa7 25. a3 Qb6 26. Qb4 Qf2 27. Qd2 Qxf3 28. Qd3 Qh5 29. h4 g6 30. Qe4 Bf8 31. Qg4 Rcb8 32. Ka2 Bg7 33. Rg2 Rb5 34. Qxh5 gxh5 35. Rc2 h6 36. gxh6 Bxh6 37. Rg2+ Kh7 38. Rf2 Ra7 39. Rf5 Rab7 40. Rd3 Kg6 41. Rf2 Bg7 42. a4 Rb4 43. Ka3 Rxh4 44. Na5 Bxb2+ 45. Rxb2 Rxb2 46. Kxb2 Rxa4 47. Nb3 Rg4 48. Kc3 h4 49. Nd4 Kg5 50. Kd2 Re4 51. Nb5 Kg4 52. Nxd6 Rf4 53. Ke3 Rf3+ 54. Ke2 Rxd3 55. Kxd3 h3 56. Ne4 h2 57. Nf2+ Kf3 58. Nh1 Kg2 59. Ke2 f5 60. d6 f4 61. Nf2 f3+ 62. Ke3 Kf1 63. Kxf3 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2012.04.29"]
[Round "1"]
[White "Lach, Piotr"]
[Black "Kolodkin, Daniil"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2166"]
[BlackElo "1926"]
[PlyCount "33"]
[EventDate "2012.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 Qxb2 10. Nb3 Qa3 11. Rd1 Be7 12. Bb5+ axb5 13. Bxf6 Bxf6 14. Nxb5 Qb2 15. Nxd6+ Ke7 16. Nb5 Ra6 17. Qb4+ 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2011.08.13"]
[Round "9"]
[White "Gora, Jan"]
[Black "Lach, Piotr"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1894"]
[BlackElo "2187"]
[PlyCount "40"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. 0-0-0 Nbd7 11. Bf2 b5 12. Bd3 Bb7 13. Rhe1 b4 14. Nb1 Nc5 15. Nd2 d5 16. e5 Nfe4 17. Bxe4 dxe4 18. Qg4 Nd3+ 19. Kb1 Nxf2 20. Qxg7 0-0-0 0-1

[Event "Krakow op"]
[Site "Krakow"]
[Date "2011.08.11"]
[Round "7"]
[White "Hasinski, Krystian"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "1971"]
[BlackElo "2187"]
[PlyCount "89"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 e6 8. Bg5 h6 9. Bxf6 Qxf6 10. e3 e5 11. a4 exd4 12. Nxd4 c6 13. a5 Na6 14. Rb1 Nc5 15. b4 Ne6 16. Nde2 Qe7 17. a6 Ng5 18. axb7 Bxb7 19. Qd3 Nf7 20. Rfd1 Ne5 21. Qxd6 Qf7 22. c5 Rad8 23. Qxd8 Rxd8 24. Rxd8+ Kh7 25. Ra1 a6 26. Rad1 Bf6 27. R8d6 Be7 28. R6d2 Bc8 29. Nd4 Bb7 30. Na4 Bf6 31. Nb6 Bg7 32. Nf3 Ng4 33. Rd7 Qa2 34. Rf1 a5 35. Rxb7 axb4 36. Nd4 b3 37. Nc4 Qa6 38. Nd6 b2 39. Rxb2 Qa3 40. Rb7 Nxe3 41. fxe3 Qxe3+ 42. Kh1 Qxd4 43. Ne8 Qxc5 44. Nxg7 Kg8 45. Re1 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2011.08.10"]
[Round "6"]
[White "Lach, Piotr"]
[Black "Muc, Marcin"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "2187"]
[BlackElo "2157"]
[PlyCount "82"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. d4 d6 9. c3 Bb7 10. Nbd2 h6 11. Nf1 Re8 12. Ng3 Bf8 13. a4 Na5 14. Bc2 exd4 15. cxd4 c5 16. d5 g6 17. b3 Bg7 18. Ra2 Nd7 19. Be3 b4 20. Nd2 Rc8 21. Nc4 Nxc4 22. bxc4 a5 23. Bb3 Qh4 24. Rf1 Rc7 25. Re2 Ba6 26. Qc2 Ne5 27. f3 f5 28. Bf2 f4 29. Nf5 Qf6 30. Nxg7 Rxg7 31. Be1 Nxc4 32. Bxc4 Qd4+ 33. Rff2 Bxc4 34. Rd2 Qe3 35. Qc1 Bd3 36. Qd1 c4 37. g4 fxg3 38. hxg3 Rf7 39. Kh2 Re5 40. Rxd3 Qxd3 41. Qxd3 cxd3 0-1

[Event "Krakow op"]
[Site "Krakow"]
[Date "2011.08.09"]
[Round "5"]
[White "Mucha, Magdalena"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "1856"]
[BlackElo "2187"]
[PlyCount "47"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 b5 8. a3 Bb7 9. Bg2 Qc7 10. 0-0 Nc6 11. Nde2 Be7 12. Ng3 0-0-0 13. Bd2 h6 14. b4 Ne5 15. a4 Bc6 16. axb5 axb5 17. Be3 Qb8 18. Ra6 Bb7 19. Ra2 Bc6 20. Ra6 Bb7 21. Ra2 Bc6 22. Ra6 Bb7 23. Ra2 Bc6 24. Ra6 1/2-1/2

[Event "Krakow op"]
[Site "Krakow"]
[Date "2011.08.08"]
[Round "4"]
[White "Lach, Piotr"]
[Black "Knapik, Lucjan"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2187"]
[BlackElo "1952"]
[PlyCount "88"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 d6 7. c3 b5 8. Bb3 Bg4 9. Rd1 0-0 10. h3 Bxf3 11. Qxf3 Na5 12. Bc2 c5 13. d3 Qc7 14. Nd2 Rad8 15. Nf1 d5 16. Ng3 dxe4 17. dxe4 Rxd1+ 18. Bxd1 g6 19. Bh6 Re8 20. b3 Qc6 21. Qe3 Bf8 22. Bg5 Bg7 23. Bc2 Re6 24. Rd1 Rd6 25. Rf1 Nd7 26. Bh6 Nb7 27. Bxg7 Kxg7 28. Qg5 Kh8 29. h4 Re6 30. h5 Nd6 31. Rd1 f6 32. Qg4 Nf8 33. Qh3 Kg7 34. Qg4 Kh8 35. Rd3 g5 36. Rf3 h6 37. Nf1 Kg7 38. Ne3 Re7 39. Rh3 Qd7 40. Qf3 Rf7 41. Rh1 Qc6 42. Kh2 Ne6 43. Rd1 Ne8 44. Rd5 Nd6 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2011.08.07"]
[Round "2"]
[White "Lach, Piotr"]
[Black "Zajac, Mateusz"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2187"]
[BlackElo "1904"]
[PlyCount "63"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qf3 Nbd7 10. 0-0-0 Qc7 11. Bd3 h6 12. Bh4 g5 13. Bg3 gxf4 14. Bxf4 Ne5 15. Bxe5 dxe5 16. g4 Rg8 17. Rdg1 b5 18. h4 b4 19. Ne2 Nh7 20. Rf1 Bd8 21. Kb1 Qe7 22. Nd2 Bd7 23. Nc4 Bc7 24. Ng3 Rb8 25. Nh5 Rg6 26. Rf2 Kf8 27. Qe3 Bb5 28. Rhf1 f6 29. Nxf6 Nxf6 30. g5 hxg5 31. hxg5 Ke8 32. gxf6 1-0

[Event "Krakow op"]
[Site "Krakow"]
[Date "2011.08.07"]
[Round "3"]
[White "Widla, Piotr"]
[Black "Lach, Piotr"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1986"]
[BlackElo "2187"]
[PlyCount "62"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. a4 e6 4. g3 d5 5. exd5 exd5 6. d4 Be6 7. Nge2 Nc6 8. Be3 c4 9. Bg2 Nf6 10. 0-0 Bb4 11. Bg5 Qa5 12. Bxf6 gxf6 13. Nf4 0-0-0 14. Nce2 Bd6 15. c3 Ne7 16. b4 Qc7 17. Re1 h5 18. h4 Kb8 19. Qd2 Rdg8 20. Qe3 Bg4 21. Kf1 Qd7 22. Nxd5 Nxd5 23. Bxd5 Bxe2+ 24. Rxe2 Bxg3 25. fxg3 Qxd5 26. Kf2 Rg4 27. Qf3 Qxf3+ 28. Kxf3 Rhg8 29. Rg1 f5 30. Re5 f4 31. Rxh5 fxg3 1/2-1/2

[Event "Krakow op"]
[Site "Krakow"]
[Date "2011.08.06"]
[Round "1"]
[White "Starzyk, Lukasz"]
[Black "Lach, Piotr"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1721"]
[BlackElo "2187"]
[PlyCount "82"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. Bf4 0-0 6. e3 d6 7. Qb3 Kh8 8. Be2 Nc6 9. 0-0 Nh5 10. Bg5 h6 11. Bh4 g5 12. Nd2 Nf6 13. Bg3 e5 14. d5 Ne7 15. f3 f4 16. Bf2 a6 17. a4 Qe8 18. Nce4 Qf7 19. Nxf6 Bxf6 20. Ne4 Bg7 21. Rac1 Nf5 22. g4 fxe3 23. Bxe3 Nd4 24. Bxd4 exd4 25. Qd3 Bd7 26. b3 Rae8 27. Qd2 Be5 28. Kg2 Qg7 29. Rcd1 c5 30. Bd3 Bf4 31. Qc2 h5 32. h3 h4 33. Rde1 Bc8 34. Nf2 Be3 35. Ne4 Qe5 36. Kh1 Re7 37. Qh2 Rf4 38. Re2 Bd7 39. Nd2 Qf6 40. Ne4 Rfxe4 41. Bxe4 Rxe4 0-1

[Event "Krakow Malopolski-chA"]
[Site "Krakow"]
[Date "2011.05.08"]
[Round "9"]
[White "Lach, Piotr"]
[Black "Bednarczyk, Damian"]
[Result "1-0"]
[ECO "B62"]
[WhiteElo "2176"]
[BlackElo "2002"]
[PlyCount "99"]
[EventDate "2011.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd3 a6 8. 0-0-0 h6 9. Nxc6 bxc6 10. Bf4 d5 11. Be2 Qa5 12. exd5 cxd5 13. Qg3 Bb7 14. Be5 0-0-0 15. Rhe1 Bc6 16. f4 Nd7 17. Bd4 Bd6 18. Qe3 g5 19. g3 gxf4 20. gxf4 Rhg8 21. Bh5 Qc7 22. Rf1 Rdf8 23. Kb1 Kb7 24. Rf2 Nb6 25. b3 Nc8 26. Be2 Ne7 27. Bd3 Ng6 28. Bxg6 Rxg6 29. f5 Rg5 30. fxe6 f5 31. Qh3 h5 32. Qf3 f4 33. Re1 Qe7 34. Rfe2 h4 35. Rf2 a5 36. Rfe2 Kc8 37. Bf2 Rg3 38. hxg3 fxg3 39. Qg2 gxf2 40. Rxf2 Rxf2 41. Qxf2 h3 42. Qb6 Qb7 43. Qd4 Qh7 44. e7 Bxe7 45. Nxd5 Bh4 46. Rh1 Bd8 47. Qg4+ Qd7 48. Qxd7+ Kxd7 49. c4 Bc7 50. Rxh3 1-0

[Event "Krakow Malopolski-chA"]
[Site "Krakow"]
[Date "2011.05.07"]
[Round "7"]
[White "Khamitskiy, Sergei"]
[Black "Lach, Piotr"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "2317"]
[BlackElo "2176"]
[PlyCount "143"]
[EventDate "2011.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Nge7 6. a3 Be6 7. Qa4 Qd7 8. b4 Ng6 9. Bb2 Be7 10. b5 Ncxe5 11. Bxd4 Bf6 12. e3 0-0 13. Be2 a6 14. 0-0 Bg4 15. Nxe5 Bxe5 16. Bxg4 Qxg4 17. Qd1 Qxd1 18. Rfxd1 Bxd4 19. exd4 axb5 20. cxb5 Ra4 21. Ne4 Nf4 22. Kf1 b6 23. Nc3 Rc4 24. Rac1 Ra8 25. Ne2 Rxc1 26. Rxc1 Nxe2 27. Kxe2 Ra7 28. Rc3 Kf8 29. Kd3 Ke7 30. Kc4 Kd6 31. Kb4 Kd5 32. Rg3 g6 33. Rh3 h6 34. Rf3 Kxd4 35. Kb3 c6 36. bxc6 Kd5 37. Rf6 Kc5 38. g4 Re7 39. h4 h5 40. gxh5 gxh5 41. Kc3 Rc7 42. Rh6 Rxc6 43. Rxh5+ Kd6+ 44. Kd4 Ke6 45. Rb5 f5 46. Rb3 Rd6+ 47. Ke3 Kf6 48. Rb4 Re6+ 49. Kf4 Kg6 50. a4 Rd6 51. Ke5 Rc6 52. f3 Rc5+ 53. Kf4 Rc6 54. Rd4 Rc3 55. Rb4 Rc6 56. h5+ Kxh5 57. Kxf5 Rc5+ 58. Ke6 Rc3 59. Rxb6 Ra3 60. Rb5+ Kg6 61. a5 Rxf3 62. Rb6 Kg5 63. Ke7 Ra3 64. a6 Kf5 65. Kd6 Rd3+ 66. Kc7 Rh3 67. a7 Rh7+ 68. Kb8 Rh8+ 69. Kb7 Rh7+ 70. Ka6 Rh8 71. Rb8 Rh6+ 72. Kb5 1-0

[Event "Krakow Malopolski-chA"]
[Site "Krakow"]
[Date "2011.05.06"]
[Round "6"]
[White "Lach, Piotr"]
[Black "Barski, Radoslaw"]
[Result "0-1"]
[ECO "D14"]
[WhiteElo "2176"]
[BlackElo "2284"]
[PlyCount "100"]
[EventDate "2011.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 Qb6 8. Qb3 e6 9. Bb5 Nd7 10. 0-0 a6 11. Be2 Qxb3 12. axb3 f6 13. Nb5 Kf7 14. Rfc1 e5 15. Nh4 Rc8 16. Nxf5 axb5 17. Bg3 g6 18. Nh4 e4 19. Ra5 Bb4 20. Rxb5 Nxd4 21. Rxc8 Nxe2+ 22. Kf1 Nxg3+ 23. hxg3 Rxc8 24. Rxb4 b6 25. f3 f5 26. g4 Kf6 27. Kf2 Rc2+ 28. Kg3 Rxb2 29. Rb5 f4+ 30. exf4 e3 31. Rxd5 Rd2 32. g5+ Kf7 33. Rb5 Rd1 34. Rb4 e2 35. Re4 e1Q+ 36. Rxe1 Rxe1 37. f5 Rh1 38. fxg6+ hxg6 39. f4 Rxh4 40. Kxh4 Nc5 41. g4 Nxb3 42. Kg3 Nd2 43. f5 b5 44. Kf4 Nc4 45. Ke4 Nd6+ 46. Kf4 b4 47. Ke3 gxf5 48. gxf5 Nxf5+ 49. Kd3 b3 50. Kc3 Nd4 0-1

[Event "Krakow Malopolski-chA"]
[Site "Krakow"]
[Date "2011.05.05"]
[Round "5"]
[White "Lach, Piotr"]
[Black "Swiech, Przemyslaw"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2176"]
[BlackElo "2219"]
[PlyCount "105"]
[EventDate "2011.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 4. h3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nde2 Nf6 8. g3 Be6 9. Bg2 Qd7 10. Nd5 0-0 11. Bg5 Ne8 12. c3 b5 13. Qd2 b4 14. c4 Rc8 15. Rd1 f6 16. Be3 Nc7 17. b3 Na6 18. Nd4 Nxd4 19. Bxd4 f5 20. Bxg7 Kxg7 21. Qd4+ Kg8 22. e5 Nc5 23. Nxb4 Qc7 24. exd6 Qa5 25. Qd2 exd6 26. Nd5 Qxd2+ 27. Rxd2 Kg7 28. Nf4 Bf7 29. Rxd6 g5 30. Nd5 Rfe8+ 31. Kd2 Re4 32. Re1 Rd4+ 33. Kc3 Rd3+ 34. Kc2 f4 35. gxf4 Bg6 36. Rxg6+ hxg6 37. b4 Ra3 38. bxc5 Rxa2+ 39. Kd3 gxf4 40. Re7+ Kh6 41. h4 Rf8 42. Be4 Rxf2 43. Re6 Kh5 44. Rxg6 Kxh4 45. Ra6 f3 46. c6 Rf1 47. Bxf3 R1xf3+ 48. Kd4 Ra8 49. c7 Rff8 50. Kc5 Kg5 51. Kc6 Kf5 52. Kb7 Ke5 53. Nb6 1-0

