[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.28"]
[Round "9"]
[White "Koch, Stefan"]
[Black "Berka, Lubos"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1896"]
[BlackElo "1695"]
[PlyCount "49"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. Nf3 Bd7 10. 0-0 0-0 11. Re1 Qc7 12. Nbd2 Rac8 13. Ne5 h6 14. Nb3 b6 15. Qf3 Rcd8 16. Re3 a5 17. Nd2 a4 18. a3 Na5 19. Rae1 b5 20. Bb1 Nc4 21. Ndxc4 dxc4 22. Qe2 Bc6 23. Rg3 Bd5 24. Qe3 Qe7 25. Qxh6 1-0

[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.27"]
[Round "8"]
[White "Zelezny, Jan"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1751"]
[BlackElo "1896"]
[PlyCount "98"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 c6 6. Nge2 Bg4 7. f3 Bf5 8. Bf4 Qb4 9. Bb3 e6 10. 0-0 Nbd7 11. Bc7 Qe7 12. Ng3 Bg6 13. Nce4 Nb6 14. Nd6+ Kd7 15. Bxb6 Qxd6 16. Bc5 Qc7 17. Bxf8 Rhxf8 18. c4 Rfd8 19. Qd2 Ke8 20. Rad1 Kf8 21. Qe3 Kg8 22. Rf2 Rd7 23. Rfd2 Rad8 24. Ne2 h6 25. Nf4 Bh7 26. h4 Re8 27. Nd3 Bxd3 28. Rxd3 Qg3 29. Qf2 Qxf2+ 30. Kxf2 Red8 31. Ke3 Re7 32. f4 h5 33. R1d2 Ng4+ 34. Kf3 g6 35. d5 exd5 36. cxd5 cxd5 37. g3 Nf6 38. Bxd5 Red7 39. Bc4 Rxd3+ 40. Rxd3 Rc8 41. b3 Rc7 42. a4 b6 43. f5 Kg7 44. Kf4 Ng4 45. fxg6 fxg6 46. Rd8 Re7 47. Rg8+ Kf6 48. Rf8+ Kg7 49. Rg8+ Kf6 1/2-1/2

[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.26"]
[Round "7"]
[White "Koch, Stefan"]
[Black "Novotny, Josef"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1896"]
[BlackElo "1975"]
[PlyCount "104"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d6 3. Bd3 g6 4. Ne2 Nh6 5. 0-0 Bg7 6. c3 0-0 7. f3 Nc6 8. Be3 f6 9. Qd2 Nf7 10. Na3 d5 11. Nc2 Ne7 12. Kh1 e5 13. c4 exd4 14. Bxd4 dxe4 15. fxe4 Nc6 16. Bc3 Nce5 17. Rad1 Bg4 18. Ne1 Nxd3 19. Nxd3 Nd6 20. Nf2 Qc8 21. b3 Bh6 22. Qc2 Bxe2 23. Qxe2 Qe6 24. Rde1 Rae8 25. Qf3 Bg7 26. Kg1 c5 27. Qd3 Nf7 28. Re2 Rd8 29. Qc2 Rde8 30. Nd3 b6 31. Nf4 Qc8 32. Nd5 Ne5 33. Ref2 Qd8 34. h3 Re6 35. Rd1 Qb8 36. Rdf1 a6 37. Nf4 Re7 38. Nd5 Ref7 39. Bxe5 Qxe5 40. Nxb6 f5 41. Nd5 fxe4 42. Rxf7 Rxf7 43. Rxf7 Kxf7 44. Qf2+ Ke6 45. g3 Qa1+ 46. Kg2 Bd4 47. Nc7+ Kd7 48. Qf7+ Kc8 49. Qe8+ Kxc7 50. Qe7+ Kb6 51. Qd8+ Kc6 52. Qd5+ Kc7 0-1

[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.26"]
[Round "6"]
[White "Zigmund, David"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1870"]
[BlackElo "1896"]
[PlyCount "104"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. Be2 c6 6. d3 Bf5 7. Nh4 Bc8 8. Qd2 e6 9. Nf3 Be7 10. 0-0 0-0 11. b3 b6 12. Ng5 Bb7 13. Bf3 Nbd7 14. g3 Qc7 15. Bb2 Nd5 16. Bg2 Nxc3 17. Bxc3 Bf6 18. Rae1 Bxc3 19. Qxc3 Nf6 20. f4 Rae8 21. Re2 c5 22. Ne4 Nxe4 23. Bxe4 Bxe4 24. Rxe4 Qd7 25. Rfe1 Qd8 26. Qc4 Qf6 27. a4 a5 28. Re5 g6 29. d4 cxd4 30. Qxd4 Rb8 31. Rd5 Qxd4+ 32. Rxd4 Rfd8 33. Red1 Rxd4 34. Rxd4 Kf8 35. Kf2 Ke7 36. Ke3 Rc8 37. Kd3 f6 38. Rc4 Rd8+ 39. Kc3 e5 40. fxe5 fxe5 41. Rc6 Rd6 42. Rxd6 Kxd6 43. Kc4 Kc6 44. c3 Kd6 45. h4 h5 46. Kd3 Kd5 47. Ke3 Kc5 48. Ke4 Kd6 49. Ke3 Kc5 50. Ke4 Kd6 51. Kf3 Kd5 52. Ke3 Kc5 1/2-1/2

[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.25"]
[Round "5"]
[White "Koch, Stefan"]
[Black "Zelbova, Lada"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1896"]
[BlackElo "1770"]
[PlyCount "139"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. e4 Nge7 7. Nge2 0-0 8. 0-0 a6 9. a3 Rb8 10. Bf4 d6 11. Rb1 e5 12. Bg5 h6 13. Be3 b5 14. b3 b4 15. axb4 Nxb4 16. Qd2 Kh7 17. f4 exf4 18. Rxf4 Nec6 19. Nd5 Nd4 20. Bxd4 cxd4 21. Rbf1 Nxd5 22. exd5 Rxb3 23. Rxf7 Rxf7 24. Rxf7 Qe8 25. Rf1 Qe3+ 26. Qxe3 dxe3 27. Be4 Bg4 28. Nf4 Bf5 29. Ne6 e2 30. Re1 Bxe6 31. dxe6 Bd4+ 32. Kg2 Kg7 33. Rxe2 Rb2 34. Rxb2 Bxb2 35. Bc6 Kf8 36. Kf3 Ke7 37. Bd7 a5 38. Ke4 a4 39. Bxa4 Kxe6 40. d4 Ba3 41. Bb3 d5+ 42. Ke3 dxc4 43. Bxc4+ Kd6 44. Bf7 g5 45. Ke4 Bb2 46. Bb3 Bc3 47. d5 Be5 48. Kf5 Bg7 49. Kg6 Bf8 50. Kf6 Be7+ 51. Kg6 Bf8 52. g4 Kc5 53. Kf7 Bd6 54. h3 Bg3 55. Kg6 Kd6 56. Kxh6 Bh4 57. Kg6 Ke7 58. Kf5 Kd6 59. Kf6 Kd7 60. Ba4+ Kd6 61. Bc6 Kc7 62. Ke6 Bg3 63. Bb5 Bf4 64. Bf1 Bg3 65. Bg2 Bd6 66. h4 gxh4 67. g5 Bb4 68. g6 Bf8 69. d6+ Bxd6 70. g7 1-0

[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.24"]
[Round "4"]
[White "Wieczorek, Mikolaj"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1747"]
[BlackElo "1896"]
[PlyCount "46"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Nxd4 6. Bxd4 Bxd4 7. Qxd4 Qf6 8. c3 Qxd4 9. cxd4 d6 10. Nc3 Bd7 11. Bc4 Ne7 12. 0-0 0-0 13. f4 Kh8 14. Rad1 Rad8 15. f5 f6 16. Ne2 d5 17. Bxd5 Nxd5 18. exd5 Bb5 19. Rfe1 Rxd5 20. Nc3 Rxf5 21. Re7 Rc8 22. d5 Be8 23. Rde1 Bg6 1/2-1/2

[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.23"]
[Round "3"]
[White "Koch, Stefan"]
[Black "Janko, Jan"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1896"]
[BlackElo "1724"]
[PlyCount "57"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. c4 d6 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nf6 5. d3 0-0 6. e4 c6 7. Nge2 Nbd7 8. 0-0 h6 9. Rb1 Rb8 10. h3 a6 11. Be3 e5 12. Qd2 Kh7 13. f4 b5 14. b3 Bb7 15. g4 b4 16. Nd1 Ba8 17. Ng3 Ne8 18. f5 Nb6 19. g5 hxg5 20. Bxg5 Bf6 21. fxg6+ fxg6 22. Be3 Ng7 23. Nf2 Ne6 24. Ng4 Nd7 25. Nxf6+ Nxf6 26. Rf2 Qe7 27. Rbf1 c5 28. Bg5 Nxg5 29. Qxg5 1-0

[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.22"]
[Round "2"]
[White "Svitil, Radek"]
[Black "Koch, Stefan"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1674"]
[BlackElo "1896"]
[PlyCount "84"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Bg4 5. Bc4 e6 6. h3 Bh5 7. d3 Nf6 8. Nb5 Qd8 9. Bf4 Na6 10. 0-0 c6 11. Nc3 Nc7 12. Re1 Be7 13. Qe2 Bxf3 14. Qxf3 0-0 15. Ne4 Ncd5 16. Be5 Nd7 17. Bh2 N5b6 18. Bb3 Nc5 19. Nxc5 Bxc5 20. c3 Bd6 21. d4 Bxh2+ 22. Kxh2 Qd6+ 23. g3 Rad8 24. Re4 Nd5 25. Rae1 Qe7 26. Re5 Qf6 27. Bxd5 Rxd5 28. Qxf6 gxf6 29. Rxd5 cxd5 30. Kg2 Kg7 31. Kf3 Rc8 32. Kf4 Rc6 33. g4 b5 34. a3 a5 35. g5 fxg5+ 36. Kxg5 Rc4 37. Kf4 b4 38. axb4 axb4 39. Re3 Kf6 40. b3 Rxc3 41. Rxc3 bxc3 42. Ke3 e5 0-1

[Event "Pardubice Czech op-B"]
[Site "Pardubice"]
[Date "2020.09.21"]
[Round "1"]
[White "Koch, Stefan"]
[Black "Rychtecky, Pavel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1896"]
[BlackElo "1584"]
[PlyCount "31"]
[EventDate "2020.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Na5 10. bxc3 Nxc4 11. Qd4 Ncd6 12. Qxg7 Qf6 13. Qxf6 Nxf6 14. Re1+ Kf8 15. Bh6+ Kg8 16. Re5 1-0

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.27"]
[Round "9"]
[White "Brunner, Alexander1"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1545"]
[BlackElo "1925"]
[PlyCount "6"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 1/2-1/2

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.26"]
[Round "8"]
[White "Koch, Stefan"]
[Black "Korobitsyna, Olesya"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1925"]
[BlackElo "1609"]
[PlyCount "75"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 d6 6. Nf3 c5 7. 0-0 Nc6 8. Bd2 a6 9. Qc1 Re8 10. Bh6 Bh8 11. Bg5 Rb8 12. Nd2 Nd4 13. Nf3 Ne6 14. Bd2 b5 15. Ng5 Nxg5 16. Bxg5 Bb7 17. e4 b4 18. Nd5 e6 19. Nxf6+ Bxf6 20. Bxf6 Qxf6 21. Rb1 Qd4 22. Qe3 Qxe3 23. fxe3 d5 24. e5 dxc4 25. dxc4 Bxg2 26. Kxg2 Red8 27. Rbd1 Kf8 28. Kf3 Ke7 29. Ke4 Rxd1 30. Rxd1 Rd8 31. Rxd8 Kxd8 32. h4 Ke7 33. g4 h6 34. g5 h5 35. Kd3 Kd7 36. Kc2 Kc6 37. Kb3 Kb6 38. Ka4 1/2-1/2

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.24"]
[Round "6"]
[White "Koch, Stefan"]
[Black "Zeman, Daniel"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1925"]
[BlackElo "1797"]
[PlyCount "50"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. d3 d6 6. Nf3 Nc6 7. 0-0 e5 8. Bd2 Re8 9. e4 Bg4 10. h3 Bxf3 11. Bxf3 Nd7 12. Ne2 Nc5 13. Qc2 Rf8 14. b4 Ne6 15. Bg2 Qe7 16. b5 Ncd4 17. Nxd4 Nxd4 18. Qd1 Ne6 19. Rb1 Rae8 20. Kh2 b6 21. f4 exf4 22. gxf4 Nc5 23. Qf3 Bh6 24. Bc3 Bg7 25. Bd2 Bh6 1/2-1/2

[Event "Pardubice Czech op-C 29th"]
[Site "Pardubice"]
[Date "2018.07.21"]
[Round "1"]
[White "Stodola, Zdenek"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "1618"]
[BlackElo "1996"]
[PlyCount "27"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. Bd2 Bd6 9. Rc1 e5 10. cxd5 Nxd5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Bxh7+ Kxh7 14. Qh5+ 1/2-1/2

[Event "GER CupT"]
[Site "Germany"]
[Date "2010.02.20"]
[Round "1"]
[White "Dorst, Johannes"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2254"]
[BlackElo "1965"]
[PlyCount "97"]
[EventDate "2010.02.20"]
[EventType "team-tourn"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Be3 c6 6. Qd2 Bf5 7. Nf3 e6 8. Ne5 Nbd7 9. Nc4 Qc7 10. Bf4 Qd8 11. Nd6+ Bxd6 12. Bxd6 Nb6 13. Ba3 Qc7 14. 0-0-0 0-0-0 15. f3 h6 16. Qe3 Rhe8 17. Qe5 Nbd7 18. Qxc7+ Kxc7 19. Bd3 Bxd3 20. Rxd3 Nb6 21. b3 Nbd5 22. Nxd5+ Rxd5 23. c4 Rg5 24. g3 h5 25. Kc2 b5 26. Bc1 bxc4 27. bxc4 Ra5 28. a3 Nd7 29. Bd2 Rf5 30. Re1 Nb6 31. Bf4+ Kd7 32. Rb3 c5 33. Rd1 cxd4 34. Rxd4+ Ke7 35. Bd6+ Kf6 36. c5 Rc8 37. Kd2 Nd7 38. g4 hxg4 39. fxg4 Rd5 40. Rxd5 exd5 41. Rf3+ Kg6 42. Rc3 Nf6 43. Rd3 Ne4+ 44. Ke3 Nxc5 45. Rxd5 Rd8 46. Kd4 Ne6+ 47. Kc4 Rd7 48. a4 Rb7 49. h4 1/2-1/2

[Event "Thueringen-ch"]
[Site "Finsterbergen"]
[Date "2008.03.23"]
[Round "7"]
[White "Koch, Stefan"]
[Black "Wehner, Janis"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2143"]
[BlackElo "2184"]
[PlyCount "92"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Nf3 d6 5. Be2 0-0 6. 0-0 Nbd7 7. h3 Qe8 8. g4 e5 9. Nc3 c6 10. Kg2 Qe7 11. g5 Ne8 12. h4 Nb6 13. Rh1 Bg4 14. Kg3 f5 15. Ng1 Bxe2 16. Ngxe2 Nc7 17. Qg1 Ne6 18. h5 Rfe8 19. b3 c5 20. dxe5 dxe5 21. hxg6 hxg6 22. a4 Rad8 23. a5 Nd5 24. Nxd5 Rxd5 25. Ra4 exf4+ 26. Nxf4 Qxg5+ 27. Kf3 Qxg1 28. Rxg1 Nxf4 29. exf4 Kf7 30. Rc4 Re6 31. Rh1 b5 32. axb6 axb6 33. Ra4 Rd7 34. Ra8 Re8 35. Ra6 Rd6 36. Ra7+ Re7 37. Ra8 Bd4 38. Rh7+ Ke6 39. Rh6 Kf7 40. Rh7+ Ke6 41. Rh6 Kd5 42. c4+ Kc6 43. Rc8+ Kb7 44. Rg8 Bc3 45. Rgxg6 Rxg6 46. Rxg6 Re1 1/2-1/2

[Event "Thueringen-ch"]
[Site "Finsterbergen"]
[Date "2008.03.23"]
[Round "9"]
[White "Tischer, Jana"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1867"]
[BlackElo "2143"]
[PlyCount "14"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Nf6 5. Nf3 Bg7 6. 0-0 d6 7. d3 0-0 1/2-1/2

[Event "Thueringen-ch"]
[Site "Finsterbergen"]
[Date "2008.03.22"]
[Round "6"]
[White "Messerschmidt, Nick"]
[Black "Koch, Stefan"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1907"]
[BlackElo "2143"]
[PlyCount "89"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 Be7 8. 0-0 0-0 9. Qc2 b6 10. e4 Qc7 11. Bd3 h6 12. g3 Bb7 13. e5 Nd5 14. Nxd5 exd5 15. Ne1 Qd8 16. Qe2 Kh8 17. h4 Rg8 18. Qh5 Nf8 19. Bxh6 g6 20. Qf3 Qe8 21. Kg2 Nh7 22. Rh1 Bf8 23. Bxf8 Qxf8 24. h5 c5 25. hxg6 fxg6 26. Qxf8 Raxf8 27. Nf3 Kg7 28. Rh4 Re8 29. Re1 Re7 30. Nd2 Rc8 31. Rg4 Nf8 32. f4 Rec7 33. Bxg6 Nxg6 34. f5 cxd4 35. Rxg6+ Kf8 36. e6 Rc2 37. Re2 d3 38. Rf2 d4+ 39. Kh3 Rxd2 40. Rxd2 Be4 41. g4 Rc2 42. Rd1 Rf2 43. e7+ Ke8 44. Rd6 Rf3+ 45. Kh4 1-0

[Event "Thueringen-ch"]
[Site "Finsterbergen"]
[Date "2008.03.21"]
[Round "4"]
[White "Koch, Stefan"]
[Black "Wicklein, Stefan"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2143"]
[BlackElo "2084"]
[PlyCount "40"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Bh5 10. Ne5 Nd7 11. Nef3 Be7 12. 0-0 0-0 13. Rfe1 Bg6 14. Bxg6 hxg6 15. Ne5 Ndxe5 16. Bxe5 Nxe5 17. Rxe5 b5 18. a3 Rb8 19. Qd1 Bd6 20. Re3 Bf4 1/2-1/2

[Event "Thueringen-ch"]
[Site "Finsterbergen"]
[Date "2008.03.20"]
[Round "3"]
[White "Koch, Stefan"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2143"]
[BlackElo "2223"]
[PlyCount "55"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 d6 6. c4 0-0 7. Nc3 Qe8 8. Bg5 c6 9. Qc1 Qf7 10. Bxf6 Bxf6 11. b3 e5 12. e3 g5 13. dxe5 dxe5 14. Rb1 g4 15. Nd2 Bg5 16. Ne2 e4 17. Nf4 Nd7 18. Rd1 Ne5 19. h4 gxh3 20. Bxh3 Rd8 21. c5 Be6 22. Bg2 h5 23. Nc4 Bxc4 24. bxc4 Bxf4 25. exf4 Nd3 26. Qe3 Qe7 27. Bh3 Rf8 28. Rxd3 1-0

[Event "Thueringen-ch"]
[Site "Finsterbergen"]
[Date "2008.03.20"]
[Round "2"]
[White "Pichl, Michael"]
[Black "Koch, Stefan"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2077"]
[BlackElo "2143"]
[PlyCount "105"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 Nf6 5. d3 e5 6. c4 d4 7. a3 Bd6 8. e4 0-0 9. Nbd2 Ne8 10. Rb1 a5 11. b3 Be7 12. Ne1 Nd6 13. Qe2 Bd7 14. f4 f6 15. Ndf3 b5 16. Bd2 Rb8 17. Nh4 bxc4 18. dxc4 a4 19. Nd3 axb3 20. Nxc5 Nf7 21. Nxd7 Qxd7 22. Nf5 g6 23. Bh3 Qa7 24. Nxe7+ Qxe7 25. Rfc1 Qxa3 26. Qd3 Qc5 27. Kg2 Kg7 28. Be6 Nd6 29. Bd5 Nb4 30. Bxb4 Rxb4 31. Rxb3 Rxb3 32. Qxb3 Re8 33. Qd3 Rb8 34. Rc2 Nf7 35. Rf2 Nd6 36. fxe5 fxe5 37. Qf3 d3 38. Qf6+ Kh6 39. Qxe5 Re8 40. Qf4+ Kg7 41. Qf6+ Kh6 42. e5 d2 43. Qf4+ Kg7 44. Rxd2 Nf5 45. e6 Rf8 46. Qe5+ Kh6 47. Re2 Re8 48. Kh3 Qg1 49. Qf4+ Kg7 50. Rf2 h5 51. Qe5+ Kh6 52. Rxf5 gxf5 53. Qf6+ 1-0

[Event "Thueringen-ch"]
[Site "Finsterbergen"]
[Date "2008.03.19"]
[Round "1"]
[White "Kirschbaum, Gunnar"]
[Black "Koch, Stefan"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2160"]
[BlackElo "2143"]
[PlyCount "78"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. cxd5 exd5 7. Qc2 0-0 8. e3 Ne4 9. Bxe7 Qxe7 10. Bd3 f5 11. 0-0 Be6 12. Rab1 Nd7 13. b4 Rac8 14. Na4 Ng5 15. Nxg5 Qxg5 16. Rfe1 Kh8 17. Nc5 Nxc5 18. Qxc5 b6 19. Qd6 Qf6 20. Rbc1 Rfd8 21. Qg3 b5 22. Re2 g5 23. f3 f4 24. Qf2 Rg8 25. Rec2 Bd7 26. e4 g4 27. fxg4 dxe4 28. Bxe4 Rxg4 29. d5 Rcg8 30. Qxa7 f3 31. Qxd7 Rxe4 32. Qxc6 Qd4+ 33. Kh1 fxg2+ 34. Rxg2 Rxg2 35. Kxg2 Rg4+ 36. Kf3 Qf4+ 37. Ke2 Rg2+ 38. Kd3 Rd2+ 39. Kc3 Qe3# 0-1

[Event "Apolda op 16th"]
[Site "Apolda"]
[Date "2007.08.26"]
[Round "7"]
[White "Koch, Stefan"]
[Black "Schmitt, Philipp"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2143"]
[BlackElo "2038"]
[PlyCount "37"]
[EventDate "2007.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 Be7 5. e3 0-0 6. Bd3 c5 7. 0-0 Nc6 8. dxc5 Bxc5 9. b3 b6 10. Bb2 Bb7 11. cxd5 Nxd5 12. Ne4 Be7 13. Rc1 Rc8 14. a3 Qd7 15. Bb5 Qd8 16. Qe2 Bf6 17. Nxf6+ Nxf6 18. Rfd1 Nd5 19. Ba6 1/2-1/2

[Event "Oberliga Sued W 0203"]
[Site "Germany"]
[Date "2003.03.30"]
[Round "9.8"]
[White "Silber, Gerhard"]
[Black "Koch, Stefan"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2251"]
[BlackElo "2054"]
[PlyCount "41"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 Nbd7 4. f3 c6 5. e4 dxe4 6. fxe4 e5 7. dxe5 Qa5 8. Bxf6 gxf6 9. e6 Ne5 10. exf7+ Kxf7 11. Nf3 Be6 12. Bd3 Qc5 13. Qe2 Nc4 14. Nd1 Bh6 15. Qf2 Qxf2+ 16. Kxf2 Rad8 17. Bxc4 Bxc4 18. Ne3 Bxe3+ 19. Kxe3 Rhe8 20. Rhe1 f5 21. Kf4 1-0

[Event "Oberliga Sued W 0203"]
[Site "Germany"]
[Date "2003.03.09"]
[Round "8.5"]
[White "Kreuscher, Wolfgang2"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1982"]
[BlackElo "2054"]
[PlyCount "45"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. 0-0 Nc6 9. Nc3 Qa5 10. Be3 Be7 11. h3 Bh5 12. a3 0-0 13. Qb3 Qb6 14. Qa2 Qd8 15. Rfd1 Nd5 16. Rac1 Nxe3 17. fxe3 Bxf3 18. Bxf3 Bg5 19. Kf2 Ne7 20. Rd3 Nf5 21. Rcd1 Qc7 22. Ne4 Bh6 23. Rc3 1/2-1/2

[Event "Oberliga Sued W 0203"]
[Site "Germany"]
[Date "2003.01.26"]
[Round "6.7"]
[White "Johann, Christof"]
[Black "Koch, Stefan"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2147"]
[BlackElo "2054"]
[PlyCount "54"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. Bd3 Ne7 12. Nxe7 Qxe7 13. 0-0 0-0 14. c3 f5 15. exf5 e4 16. Re1 Bxf5 17. Nc2 Qb7 18. Bf1 d5 19. Nd4 Bd7 20. Qd2 f5 21. Rad1 Qb6 22. Qc2 Rad8 23. Qb3 Qc5 24. Ne2 Be6 25. Nd4 Bd7 26. Nc2 Be6 27. Nd4 Bd7 1/2-1/2

[Event "Oberliga Sued W 0203"]
[Site "Germany"]
[Date "2002.11.03"]
[Round "3.8"]
[White "Koch, Stefan"]
[Black "Stephan, Ulrich"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2054"]
[BlackElo "2001"]
[PlyCount "51"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. f3 h6 9. Bh4 d5 10. e3 Nbd7 11. cxd5 Nxd5 12. Bxd8 Nxc3 13. Bh4 Nd5 14. Bf2 f5 15. Bb5 c6 16. Bc4 c5 17. Bb5 Rfd8 18. Ne2 Rac8 19. Rc1 N7f6 20. 0-0 Nc7 21. Bd3 Ba6 22. Rfd1 Bxd3 23. Rxd3 e5 24. Rb3 cxd4 25. exd4 exd4 26. Bxd4 1/2-1/2

[Event "Oberliga Sued W 0203"]
[Site "Germany"]
[Date "2002.10.20"]
[Round "2.7"]
[White "Koch, Stefan"]
[Black "Spengler, Hanno"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2054"]
[BlackElo "2034"]
[PlyCount "50"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bb4 7. Bd3 Qa5 8. Nge2 Ne4 9. Bxe4 dxe4 10. Bf4 Be6 11. 0-0 f5 12. d5 Bf7 13. a3 Bxc3 14. Nxc3 0-0 15. b4 Qd8 16. Bxb8 Qxb8 17. dxc6 bxc6 18. Qd7 Qe5 19. Qd4 Qxd4 20. exd4 a5 21. Na4 Rfd8 22. Nc5 Rxd4 23. Rfd1 Rd5 24. Rxd5 Bxd5 25. Nd7 axb4 0-1

[Event "Oberliga Sued W 0203"]
[Site "Germany"]
[Date "2002.09.29"]
[Round "1.8"]
[White "Koch, Stefan"]
[Black "Abhau, Jochen"]
[Result "1-0"]
[ECO "E34"]
[WhiteElo "2054"]
[BlackElo "2234"]
[PlyCount "81"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. e3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Bxd4 Nc6 10. Bc3 e5 11. Nf3 0-0 12. Be2 Bg4 13. 0-0 Rac8 14. h3 Bh5 15. Rfd1 Qc5 16. g4 Bg6 17. Qb3 Qe7 18. Rac1 h5 19. Nh2 Ne4 20. Be1 Rfd8 21. gxh5 Rxd1 22. Rxd1 Nc5 23. Qc4 Bf5 24. Bg4 Be6 25. Bxe6 Nxe6 26. Bc3 Re8 27. Qg4 b5 28. a3 a5 29. Nf3 Qc5 30. Nd2 Rd8 31. Ne4 Rxd1+ 32. Qxd1 Qe7 33. Qd5 b4 34. Qxc6 bxc3 35. Qxc3 Ng5 36. Qc8+ Kh7 37. Qf5+ Kh6 38. Qxg5+ Qxg5+ 39. Nxg5 Kxg5 40. b4 axb4 41. axb4 1-0

