[Event "Herne UFO op 9th"]
[Site "Herne"]
[Date "2018.05.30"]
[Round "1"]
[White "Irgel, Klaus"]
[Black "Kummerow, Heiko"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1807"]
[BlackElo "2209"]
[PlyCount "27"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. e5 Nc6 4. Nf3 e6 5. Bb5 Bd7 6. a4 Nh6 7. 0-0 Be7 8. Nc3 Nf5 9. Bxc6 Bxc6 10. g4 Nh6 11. Ng5 Bxg5 12. fxg5 Qxg5 13. h3 Qxe5 14. d3 0-1

[Event "Unna op"]
[Site "Unna"]
[Date "2016.12.27"]
[Round "1"]
[White "Irgel, Klaus"]
[Black "Naundorf, Maik"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1642"]
[BlackElo "2102"]
[PlyCount "49"]
[EventDate "2016.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 d5 4. exd5 Qxd5 5. Nc3 Qd6 6. Bc4 Nf6 7. 0-0 Bg4 8. d3 e6 9. Nb5 Qd7 10. f5 Bxf5 11. Bf4 Rc8 12. Qd2 Be7 13. Rae1 0-0 14. Nc3 a6 15. a4 Bg6 16. Ng5 Nd4 17. Be5 Ng4 18. Nf3 Nxf3+ 19. Rxf3 Nxe5 20. Rxe5 Qd4+ 21. Qe3 Bf6 22. Rxe6 fxe6 23. Bxe6+ Kh8 24. Bxc8 Qxe3+ 25. Rxe3 0-1

[Event "Herne op 5th"]
[Site "Herne"]
[Date "2016.05.29"]
[Round "7"]
[White "Meyer, Ulrich"]
[Black "Irgel, Klaus"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1995"]
[BlackElo "1827"]
[PlyCount "59"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Bb4+ 7. Nc3 Nge7 8. Bd3 h6 9. 0-0 a6 10. Ne2 Bd7 11. Ng3 Ng8 12. Be3 Be7 13. Ne1 Nb4 14. Bb1 Rc8 15. f4 Bb5 16. Rf3 Qc7 17. a3 Qa5 18. f5 Bg5 19. Bxg5 hxg5 20. fxe6 Nh6 21. Nf5 Nxf5 22. exf7+ Ke7 23. Bxf5 Nc6 24. Bxc8 Rxc8 25. a4 Be2 26. Qxe2 Nxd4 27. Qf2 Nxf3+ 28. Nxf3 Rf8 29. Nxg5 Qb4 30. Rc1 1-0

[Event "Herne op 5th"]
[Site "Herne"]
[Date "2016.05.25"]
[Round "1"]
[White "Hahn, Matthias"]
[Black "Irgel, Klaus"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2091"]
[BlackElo "1827"]
[PlyCount "55"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 h6 9. Bh4 0-0 10. Nge2 Re8 11. 0-0 Bd6 12. h3 Qc7 13. Rac1 a6 14. Rfe1 g5 15. Bg3 Nb6 16. Qb3 Nbd7 17. Bb1 Nf8 18. a3 Ng6 19. Bxd6 Qxd6 20. Ng3 Nh4 21. e4 Qd7 22. e5 Nxg2 23. Kxg2 Qxh3+ 24. Kg1 Ng4 25. Nd1 Nh2 26. Re3 f5 27. Nxf5 Qh5 28. Rh3 1-0

[Event "Unna op"]
[Site "Unna"]
[Date "2015.12.27"]
[Round "1"]
[White "Tkachuk, Konstantyn"]
[Black "Irgel, Klaus"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2259"]
[BlackElo "1645"]
[PlyCount "91"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. 0-0 0-0 7. Bg5 Bg4 8. Re1 Nbd7 9. Nbd2 c6 10. c3 Qc7 11. h3 Bh5 12. Qc2 Bg6 13. Nh4 Bf4 14. Bxf4 Qxf4 15. Nf5 Bxf5 16. Bxf5 Rfe8 17. g3 Qd6 18. Nf1 Nf8 19. Ne3 g6 20. Bd3 Ne6 21. Re2 Re7 22. h4 Rae8 23. Rae1 Ng7 24. Qa4 Ngh5 25. Ng2 Rxe2 26. Bxe2 Nxg3 27. fxg3 Qxg3 28. Qd1 Re4 29. Qd3 Nh5 30. Qxg3 Nxg3 31. Bd3 Rxe1+ 32. Nxe1 f5 33. Kf2 Nh5 34. Nf3 Nf6 35. Ne5 Kf8 36. a4 Ke7 37. a5 a6 38. Kf3 Nh5 39. c4 Ng7 40. cxd5 cxd5 41. Bc2 Ne6 42. Ke3 f4+ 43. Kd3 Kd6 44. Bd1 Nf8 45. Bg4 h6 46. Nf7+ 1-0

[Event "Oberhausen op"]
[Site "Oberhausen"]
[Date "2010.04.01"]
[Round "1"]
[White "Zatonskih, Anna"]
[Black "Irgel, Klaus"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2466"]
[BlackElo "1887"]
[PlyCount "84"]
[EventDate "2010.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 Nbd7 6. 0-0 c6 7. Qc2 b6 8. Nbd2 Bb7 9. Rd1 Ng4 10. e4 h5 11. h3 Nh6 12. b3 g5 13. exd5 cxd5 14. Ne5 g4 15. Nf1 gxh3 16. Bxh3 Nxe5 17. dxe5 Ng4 18. Qe2 Bc5 19. Ne3 d4 20. Nxg4 hxg4 21. Qxg4 Qe7 22. Bg2 Bxg2 23. Kxg2 Qb7+ 24. f3 0-0-0 25. Bg5 Rhg8 26. Qf4 Rd7 27. Rd3 Qa6 28. Qd2 Qa3 29. Bf4 Bb4 30. Qe2 Bc3 31. Rh1 b5 32. cxb5 Rd5 33. Rc1 Kb8 34. Rc2 Qb4 35. Bd2 Bxd2 36. Qxd2 Qxb5 37. Rxd4 Rgd8 38. Qb4 a6 39. Qxb5+ axb5 40. Rxd5 Rxd5 41. f4 Kb7 42. Kf3 Kb6 1-0

[Event "Oberhausen op"]
[Site "Oberhausen"]
[Date "2008.03.21"]
[Round "1"]
[White "Heinzel, Olaf"]
[Black "Irgel, Klaus"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2392"]
[BlackElo "1890"]
[PlyCount "51"]
[EventDate "2008.03.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 d5 4. e3 Bd6 5. Bg3 0-0 6. Nbd2 b6 7. Ne5 c5 8. c3 a6 9. Bd3 Ne8 10. f4 f5 11. 0-0 Nf6 12. Bh4 Qe8 13. Qf3 Ra7 14. Qh3 Nc6 15. Bg5 h6 16. Bh4 g6 17. Bxf6 Rxf6 18. Qxh6 Rh7 19. Qg5 Kg7 20. Ndf3 Nd8 21. Qg3 Rf8 22. Ng5 Rh6 23. h3 Rfh8 24. Rfd1 Bb7 25. a4 Nc6 26. Nef7 1-0

[Event "Unna op"]
[Site "Unna"]
[Date "2007.12.29"]
[Round "5"]
[White "Irgel, Klaus"]
[Black "Giesler, Stephan"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1890"]
[BlackElo "1973"]
[PlyCount "60"]
[EventDate "2007.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 122 Extra"]
[Source "ChessBase"]
[SourceDate "2008.03.04"]
[SourceVersion "1"]
[SourceVersionDate "2008.03.04"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Qb6 6. a4 Nh6 7. a5 Qc5 8. c3 a6 9. d4 Qa7 10. b4 Nd7 11. Nbd2 Be7 12. 0-0 f6 13. Kh1 0-0 14. exf6 Nxf6 15. Ne5 Be4 16. Ndf3 Rae8 17. Ng5 Bd6 18. Ng4 Nhxg4 19. Bxg4 Bf5 20. Bh3 h6 21. Nf3 Bxh3 22. gxh3 Ne4 23. Nh4 Nxc3 24. Qd3 Ne4 25. Ra2 Qb8 26. f5 Qd8 27. Ng6 Rxf5 28. Rxf5 exf5 29. Rg2 Re6 30. Bxh6 Rxg6 0-1

[Event "Oberhausen op"]
[Site "Oberhausen"]
[Date "2007.04.05"]
[Round "1"]
[White "Irgel, Klaus"]
[Black "Becker, Marcel"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "2381"]
[PlyCount "60"]
[EventDate "2007.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. a4 Nh6 7. 0-0 Nf5 8. Nc3 Be7 9. Ne2 h5 10. d3 Qb6 11. Bxc6 Bxc6 12. a5 Qc7 13. c3 d4 14. Ne1 0-0-0 15. cxd4 cxd4 16. Nc2 Qd7 17. Qd2 Qd5 18. Ne1 Ne3 19. Rf3 g5 20. b4 g4 21. Rxe3 dxe3 22. Qxe3 Bxb4 23. Bd2 Bxd2 24. Qxd2 h4 25. Nc3 Qd4+ 26. Kf1 f6 27. Rc1 fxe5 28. a6 Qxf4+ 29. Qxf4 exf4 30. Nb5 Kb8 0-1

[Event "Herne Laufer op"]
[Site "Herne"]
[Date "2006.06.15"]
[Round "3"]
[White "Thesing, Irene"]
[Black "Irgel, Klaus"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1969"]
[PlyCount "48"]
[EventDate "2006.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 112 Extra"]
[Source "ChessBase"]
[SourceDate "2006.07.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.07.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nf3 Be7 6. 0-0 0-0 7. Bf4 Bg4 8. Nbd2 Nbd7 9. c3 c6 10. Qc2 Re8 11. Rfe1 Be6 12. Ng5 Nf8 13. Be5 h6 14. Nxe6 Nxe6 15. f4 c5 16. Nf3 c4 17. Bf5 Bd6 18. Bxe6 fxe6 19. Re2 Bxe5 20. Nxe5 Ne4 21. Nf3 Qf6 22. g3 Re7 23. Rae1 Rae8 24. Nd2 Nd6 1/2-1/2

[Event "Herne Laufer op"]
[Site "Herne"]
[Date "2006.06.14"]
[Round "1"]
[White "Kartsev, Soel"]
[Black "Irgel, Klaus"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2253"]
[PlyCount "79"]
[EventDate "2006.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 112 Extra"]
[Source "ChessBase"]
[SourceDate "2006.07.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.07.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nf3 Be7 4. Nbd2 b6 5. e4 Bb7 6. Bd3 d5 7. Bxf6 Bxf6 8. e5 Be7 9. Qe2 Nd7 10. c3 c5 11. Rc1 h6 12. b3 a6 13. a4 Ra7 14. 0-0 0-0 15. Rb1 Bc8 16. b4 c4 17. Bc2 f5 18. exf6 Nxf6 19. Ne5 Qc7 20. f4 Bd6 21. Ndf3 Bd7 22. Ng6 Re8 23. Nfe5 b5 24. a5 Bc6 25. Rbe1 Qb7 26. g4 Bxe5 27. fxe5 Ne4 28. Bxe4 dxe4 29. g5 Kh7 30. Qh5 e3 31. Rxe3 Be4 32. Nf8+ Rxf8 33. Rxf8 Bg6 34. Qf3 Qe7 35. gxh6 Qg5+ 36. Qg3 Qe7 37. hxg7 Qxg7 38. Rf6 Rf7 39. Rxf7 Qxf7 40. Rf3 1-0

[Event "Unna op"]
[Site "Unna"]
[Date "2004.12.27"]
[Round "1"]
[White "Mueller, Michael2222"]
[Black "Irgel, Klaus"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2218"]
[BlackElo "1700"]
[PlyCount "53"]
[EventDate "2004.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. Bf4 Nf6 4. e3 Bd6 5. Bg3 Nbd7 6. Bd3 Qe7 7. Ne5 Ne4 8. Bxe4 dxe4 9. Nd2 Nf6 10. c3 Bd7 11. Qc2 Bxe5 12. dxe5 Nh5 13. Nxe4 Nxg3 14. hxg3 Bc6 15. 0-0-0 h6 16. f4 a5 17. g4 a4 18. g5 a3 19. b3 h5 20. Rd4 g6 21. g4 Bd5 22. gxh5 c5 23. Rd2 b5 24. Nf6+ Kf8 25. e4 Bc6 26. Qd1 Qb7 27. Rd8+ 1-0

[Event "Unna op"]
[Site "Unna"]
[Date "2003.12.27"]
[Round "1"]
[White "Sauerwald, Thomas"]
[Black "Irgel, Klaus"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2152"]
[BlackElo "1716"]
[PlyCount "81"]
[EventDate "2003.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 097 Extra"]
[Source "ChessBase"]
[SourceDate "2004.01.13"]
[SourceVersion "1"]
[SourceVersionDate "2004.01.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 a6 6. Be2 Bd7 7. 0-0 Qb6 8. Re1 cxd4 9. cxd4 Bb4 10. Nc3 Nge7 11. a3 Bxc3 12. bxc3 Qc7 13. Bd3 Na5 14. a4 b5 15. axb5 Bxb5 16. Bc2 Nc4 17. Ng5 g6 18. Qf3 Ng8 19. Nh3 Rc8 20. Bg5 h6 21. Be3 Qe7 22. Nf4 Nb6 23. Bd2 Nc4 24. Bc1 h5 25. Nd3 h4 26. Nc5 h3 27. g3 Nh6 28. Kh1 g5 29. Qh5 Qf8 30. Nxe6 Qg8 31. Nxg5 Kd8 32. e6 Kc7 33. exf7 Nxf7 34. Qxf7+ Qxf7 35. Nxf7 Rhf8 36. Bf4+ Kb6 37. Ne5 Nxe5 38. dxe5 Rxc3 39. Bg6 d4 40. e6 Rc2 41. Bxc2 1-0

