[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.08.17"]
[Round "?"]
[White "Eggmann, Karl"]
[Black "Koenig, Walter"]
[Result "1/2-1/2"]
[ECO "B27"]
[PlyCount "39"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 g6 4. Nf3 Bg7 5. Bc4 Nf6 6. e5 Ne4 7. Qxd4 f5 8. exf6 Nxf6 9. 0-0 Nc6 10. Qh4 d5 11. Rd1 0-0 12. Be3 e6 13. Bb3 Ne4 14. Qxd8 Rxd8 15. Nbd2 Nxd2 16. Rxd2 b5 17. Rad1 Na5 18. Bg5 Nxb3 19. Bxd8 Nxd2 20. Rxd2 1/2-1/2

[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.08.??"]
[Round "1"]
[White "Benz, Urs"]
[Black "Koenig, Walter"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1662"]
[BlackElo "1937"]
[PlyCount "39"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. Qb3 Qc7 5. cxd5 cxd5 6. Nc3 Nc6 7. Nxd5 Qc8 8. d4 Nxd4 9. Qa4+ Nc6 10. Bf4 Bd7 11. Nc7+ Kd8 12. Nxa8 e5 13. Bd2 Qxa8 14. Rc1 Bd6 15. Qb3 Be6 16. Bg5+ Nge7 17. Bxe7+ Kxe7 18. Qb5 Bd7 19. Qd5 Be6 20. Qb5 1/2-1/2

[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.??.??"]
[Round "?"]
[White "Eggenberger, Werner"]
[Black "Koenig, Walter"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2086"]
[PlyCount "82"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Bc4 0-0 11. Qf3 Re8 12. h3 d5 13. 0-0-0 Qa5 14. Bb3 e6 15. Qf2 Bf8 16. Na4 Rd8 17. g4 Bd7 18. Rhg1 Qc7 19. h4 a5 20. Bb6 Qb7 21. Bxd8 Rxd8 22. h5 Rb8 23. hxg6 fxg6 24. c4 Qb4 25. Qd2 c5 26. Qxb4 Rxb4 27. Nc3 a4 28. Bc2 Rxc4 29. f5 Nxg4 30. fxe6 Bxe6 31. Bxa4 Bf5 32. Bc6 Bh6+ 33. Rd2 Bxd2+ 34. Kxd2 Rd4+ 35. Ke2 Bd3+ 36. Ke1 Nxe5 37. Bxd5+ Rxd5 38. Rxg6+ Bxg6 39. Nxd5 Nd3+ 40. Kd2 Nxb2 41. Kc3 Na4+ 0-1

[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.??.??"]
[Round "?"]
[White "Iberg, Gottlieb"]
[Black "Koenig, Walter"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "17"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. Nc3 c6 6. d4 d6 7. 0-0 Nbd7 8. b3 e5 9. dxe5 1/2-1/2

[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.??.??"]
[Round "?"]
[White "Koenig, Walter"]
[Black "Accola, Martin"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "32"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Bc4 Nc5 6. Be3 Be7 7. exd6 Qxd6 8. Nbd2 0-0 9. 0-0 Bf5 10. Nd4 Bd7 11. Qf3 c6 12. Nf5 Bxf5 13. Qxf5 Nbd7 14. Rad1 Qe5 15. Qxe5 Nxe5 16. Be2 Rfd8 1/2-1/2

[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.??.??"]
[Round "?"]
[White "Koenig, Walter"]
[Black "Bornhauser, Walter"]
[Result "1/2-1/2"]
[ECO "B40"]
[BlackElo "1995"]
[PlyCount "60"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Be7 7. d4 Nf6 8. Ne5 Bd7 9. Nxd7 Qxd7 10. Be3 cxd4 11. Bxd4 0-0 12. 0-0-0 Rfe8 13. Qf3 a6 14. Bxf6 Bxf6 15. Nxd5 Bg5+ 16. Kb1 Qd8 17. Nb4 Qb6 18. Bxc6 bxc6 19. Nd3 Bf6 20. Ka1 Rab8 21. c3 c5 22. Rd2 Red8 23. Qe2 Re8 24. Qd1 a5 25. h4 a4 26. Qxa4 Ra8 27. Qc2 Qa5 28. Nc1 Reb8 29. Rd3 Rb6 30. Rhd1 Rab8 1/2-1/2

[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.??.??"]
[Round "?"]
[White "Koenig, Walter"]
[Black "Gassner, Erwin"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "41"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 g6 4. Nc3 Bg7 5. Be3 e6 6. a3 Ne7 7. Qd2 Nd7 8. 0-0-0 Nb6 9. b3 a5 10. a4 0-0 11. g4 Re8 12. e5 Nd7 13. f4 f5 14. g5 b6 15. h4 Bb7 16. h5 Kf7 17. Nge2 Ng8 18. Ng3 Bf8 19. hxg6+ Kxg6 20. Qh2 Qe7 21. Qh5+ 1-0

[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.??.??"]
[Round "?"]
[White "Koenig, Walter"]
[Black "Steiner, Xaver"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "111"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 d6 6. Re1 Bg4 7. h3 Bxf3 8. Qxf3 Ne5 9. Qe2 Nxc4 10. Qxc4 Be7 11. Qxd4 0-0 12. Nc3 Re8 13. Bd2 c6 14. Rad1 Qb6 15. Qxb6 axb6 16. a4 Nd7 17. b3 Bf6 18. f3 Re7 19. Kf1 Rae8 20. Ne2 d5 21. exd5 cxd5 22. Bb4 Nc5 23. Rxd5 Re3 24. Kf2 g6 25. a5 Bh4+ 26. g3 Na6 27. Bc3 Rxc3 28. Nxc3 Bxg3+ 29. Kxg3 Rxe1 30. axb6 Rc1 31. Rd2 Nb4 32. Ne4 Rxc2 33. Rd7 Rc6 34. Rxb7 Nd5 35. Rb8+ Kg7 36. b7 Rb6 37. Rd8 Rxb7 38. Rxd5 Rxb3 39. Rd7 Rb8 40. Ng5 Kf6 41. Nxf7 h5 42. Nd8 Rb1 43. Nc6 Rg1+ 44. Kf2 Rh1 45. Kg2 Rc1 46. Rd6+ Kg5 47. Nd4 Rb1 48. Re6 Rb2+ 49. Re2 Rb6 50. Kg3 Rb1 51. h4+ Kf6 52. Nc2 g5 53. hxg5+ Kxg5 54. Rh2 Rb3 55. Nd4 Rd3 56. Ne6+ 1-0

[Event "Laax Seniors op 8th"]
[Site "Laax"]
[Date "2009.??.??"]
[Round "?"]
[White "Pollermann, Werner"]
[Black "Koenig, Walter"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "84"]
[EventDate "2009.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Nc3 Ngxe5 6. Nxe5 Nxe5 7. e4 Bb4 8. Bd2 0-0 9. Nd5 Bxd2+ 10. Qxd2 d6 11. Be2 f5 12. exf5 Bxf5 13. 0-0 Kh8 14. f4 Nd7 15. Bd3 Nc5 16. Bxf5 Rxf5 17. Rae1 Rf7 18. g3 Nd7 19. Re2 Nb6 20. Ne3 Qd7 21. b3 Re8 22. Rfe1 Rfe7 23. Nd5 Nxd5 24. cxd5 Rxe2 25. Rxe2 Qb5 26. Rxe8+ Qxe8 27. Kf2 Qe4 28. Qe2 Qxd5 29. Qe8+ Qg8 30. Qd7 Qb8 31. Qf7 c6 32. g4 d5 33. Ke3 a5 34. g5 b5 35. h4 Qb6+ 36. Kf3 Qd8 37. h5 h6 38. g6 d4 39. f5 c5 40. f6 Qxf6+ 41. Qxf6 gxf6 42. Ke4 f5+ 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.09"]
[Round "9"]
[White "Koenig, Walter"]
[Black "Duemmke, Jens"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "1473"]
[PlyCount "56"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Nf3 Nc6 6. g3 Bg4 7. Bg2 Nd4 8. Nxd4 Qxg2 9. Qxg4 Qxh1+ 10. Ke2 Qd5 11. d3 e6 12. Be3 0-0-0 13. c4 Qd7 14. Qe4 c6 15. Qe5 b6 16. Bf4 Kb7 17. Nb3 Qxd3+ 18. Ke1 Bb4+ 19. Bd2 Bxd2+ 20. Nxd2 Qxd2+ 21. Kf1 Qd4 22. Qg5 Rd7 23. Rc1 Rhd8 24. b3 Qb2 25. Kg2 Qd2 26. Qxd2 Rxd2 27. h4 Rxa2 28. g4 Rdd2 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.08"]
[Round "8"]
[White "Werner, Jannik"]
[Black "Koenig, Walter"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "56"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 f5 4. Bb5+ Nc6 5. 0-0 fxe4 6. Nxe4 Nf6 7. Nc3 g5 8. d3 g4 9. Nd5 Nxd5 10. Bg5 Be7 11. Bh4 Bxh4 12. Nxh4 Qxh4 13. Re1 Rg8 14. Qd2 g3 15. fxg3 Qd4+ 16. Kh1 h6 17. c3 Qb6 18. c4 Nde7 19. Rg1 h5 20. Raf1 a6 21. Ba4 Bg4 22. Qh6 0-0-0 23. Qe6+ Bxe6 24. h3 Rxg3 25. Rf3 Rxf3 26. gxf3 Rg8 27. Rf1 Qxb2 28. Bxc6 Qg2# 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.07"]
[Round "7"]
[White "Koenig, Walter"]
[Black "Kibilka, Ulrich"]
[Result "0-1"]
[ECO "B17"]
[BlackElo "1295"]
[PlyCount "52"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. f3 g6 7. Ne2 Bg7 8. 0-0 Nxe4 9. fxe4 0-0 10. Be3 Nf6 11. c4 Qc7 12. h3 b6 13. Rc1 e6 14. Qd2 Bb7 15. e5 Ne8 16. Bh6 Rd8 17. Bxg7 Nxg7 18. b4 c5 19. bxc5 bxc5 20. Bc2 cxd4 21. Nxd4 Qxe5 22. Rcd1 Nf5 23. Bxf5 exf5 24. Rfe1 Qc5 25. Qc3 Ba6 26. Re6 fxe6 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.06"]
[Round "6"]
[White "Richter, Robin"]
[Black "Koenig, Walter"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "107"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. Nxe5 Nxe4 6. Qe2 Qd4 7. f3 f6 8. Nxc6 Qf2+ 9. Qxf2 Nxf2 10. Kxf2 bxc6 11. d3 Bc5+ 12. Be3 Bxe3+ 13. Kxe3 0-0 14. Nc3 Re8+ 15. Kd2 Bf5 16. Rae1 c5 17. Nd5 Rac8 18. Ne7+ Rxe7 19. Rxe7 Kf8 20. Rhe1 h5 21. h3 g5 22. g4 Bg6 23. R7e6 Kf7 24. Re7+ Kf8 25. R7e6 Kf7 26. Ra6 f5 27. Ree6 c6 28. Raxc6 Rxc6 29. Rxc6 hxg4 30. hxg4 fxg4 31. fxg4 a5 32. Rxc5 Kf6 33. Rxa5 Be8 34. Rf5+ Kg6 35. b4 Bd7 36. b5 Bxf5 37. gxf5+ Kxf5 38. b6 g4 39. b7 Kf4 40. b8Q+ Kf3 41. a4 g3 42. Qxg3+ Kxg3 43. a5 Kf4 44. a6 Ke5 45. a7 Kd6 46. a8Q Ke6 47. c4 Ke5 48. c5 Ke6 49. c6 Ke5 50. c7 Kf5 51. c8Q+ Kf4 52. Qe8 Kg5 53. Qf3 Kh4 54. Qeh5# 1-0

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.05"]
[Round "5"]
[White "Koenig, Walter"]
[Black "Wichmann, Dieter"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "59"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Nc3 h6 6. h3 Nge7 7. 0-0 0-0 8. Be3 b6 9. Nd5 Ng6 10. Qe2 Be6 11. c3 Rb8 12. d4 exd4 13. cxd4 Bb4 14. a3 Bxa3 15. Rxa3 a5 16. Rc1 Na7 17. Ba6 c6 18. Nf4 b5 19. d5 cxd5 20. exd5 Bd7 21. Nxg6 fxg6 22. Bxa7 Ra8 23. Bxb5 Rxa7 24. Bxd7 Qxd7 25. Qe6+ Rf7 26. Qxg6 Ra8 27. Rc6 Rf6 28. Ne5 dxe5 29. Rxf6 Qe7 30. Re6 1-0

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.04"]
[Round "4"]
[White "Schoepf, Fabian"]
[Black "Koenig, Walter"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "58"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. 0-0 0-0 6. Bg5 d6 7. h3 h6 8. Bh4 Re8 9. Nc3 Be6 10. Bd5 Bxd5 11. Nxd5 Nd4 12. c3 Ne6 13. Nxf6+ gxf6 14. d4 Bb6 15. dxe5 dxe5 16. Qxd8 Raxd8 17. Bxf6 Rd6 18. Bxe5 Rc6 19. Nh2 Ng5 20. Ng4 Ree6 21. Rad1 Nxe4 22. Rd8+ Kh7 23. Rh8+ Kg6 24. Rxh6+ Kf5 25. Rxe6 Rxe6 26. Bd4 Bxd4 27. cxd4 c5 28. dxc5 Nxc5 29. Rc1 Nd3 1/2-1/2

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.03"]
[Round "3"]
[White "Koenig, Walter"]
[Black "Ziege, Andreas"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1135"]
[PlyCount "186"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 Ng4 6. 0-0 0-0 7. Qe2 d6 8. h3 Nf6 9. Be3 Bxe3 10. fxe3 Re8 11. Ng5 Be6 12. Nxe6 fxe6 13. Bb5 a6 14. Bxc6 bxc6 15. d4 exd4 16. exd4 Rb8 17. b3 Qc8 18. Qf3 e5 19. Ne2 exd4 20. Nxd4 Qb7 21. Rae1 c5 22. Nf5 Rxe4 23. Rxe4 Qxe4 24. Qxe4 Nxe4 25. Ne7+ Kh8 26. Nc6 Rc8 27. Ne7 Rb8 28. Rf4 Ng3 29. Kf2 Nh5 30. Rf5 Nf6 31. g4 Rf8 32. Kg3 g6 33. Rf3 Ne4+ 34. Kg2 Rxf3 35. Kxf3 Nc3 36. a4 Kg7 37. Ke3 Kf7 38. Nc6 Nd5+ 39. Ke4 Nf6+ 40. Kf4 Ke6 41. c4 h6 42. Nd8+ Kd7 43. Nf7 h5 44. g5 Ne8 45. Ke4 Ke7 46. Nh6 Kf8 47. Kd5 Ke7 48. Kc6 Ng7 49. Kxc7 Ne6+ 50. Kb6 Nd4 51. Kxa6 Nxb3 52. a5 d5 53. Kb6 Nxa5 54. Kxc5 dxc4 55. Kb4 c3 56. Kxc3 Kf8 57. Kd4 Kg7 58. Ke5 Nc6+ 59. Ke6 Nd4+ 60. Ke5 Nf3+ 61. Kf4 Ng1 62. h4 Ne2+ 63. Kf3 Nd4+ 64. Ke4 Nc2 65. Ke5 Na1 66. Ke6 Nb3 67. Nf7 Nd4+ 68. Ke7 Nf5+ 69. Ke8 Nxh4 70. Nd8 Nf5 71. Ne6+ Kh7 72. Nf8+ Kg7 73. Ne6+ Kg8 74. Nf4 Kh7 75. Kf7 Nd6+ 76. Kf6 Ne4+ 77. Kf7 Nxg5+ 78. Kf6 Ne4+ 79. Kf7 h4 80. Nh3 Kh6 81. Ke6 Ng5+ 82. Nxg5 Kxg5 83. Ke5 Kh5 84. Kf4 g5+ 85. Kf3 h3 86. Kg3 g4 87. Kh2 Kh4 88. Kg1 Kg3 89. Kh1 Kf2 90. Kh2 g3+ 91. Kh1 g2+ 92. Kh2 g1Q+ 93. Kxh3 Qg3# 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.02"]
[Round "2"]
[White "Koenig, Walter"]
[Black "Hoeschel, Dieter"]
[Result "0-1"]
[ECO "B44"]
[BlackElo "1376"]
[PlyCount "80"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Nb5 a6 7. N5a3 Nxe4 8. Bd3 d5 9. Bxe4 dxe4 10. Qxd8+ Nxd8 11. 0-0 Be7 12. Nc3 Bxa3 13. bxa3 f5 14. Bc5 Bd7 15. f3 Rc8 16. Bb4 Nc6 17. Ne2 exf3 18. Rxf3 Nxb4 19. axb4 Rxc2 20. Nd4 Rc4 21. Nb3 Rxb4 22. Nc5 Ke7 23. Nxd7 Kxd7 24. Rd1+ Ke7 25. Rfd3 Kf6 26. Rg3 g5 27. Rdd3 f4 28. Rg4 h5 29. Rxg5 Kxg5 30. Rd6 Kf5 31. a3 Rb3 32. a4 h4 33. h3 Rg8 34. Rd7 e5 35. Rf7+ Ke4 36. Rh7 Rb1+ 37. Kf2 Rb2+ 38. Kg1 Rgxg2+ 39. Kf1 Kf3 40. Rxh4 Rb1# 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.01"]
[Round "1"]
[White "Kock, Rudolf"]
[Black "Koenig, Walter"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1530"]
[PlyCount "107"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. f4 d5 2. b3 Bf5 3. Bb2 Nf6 4. Nf3 e6 5. e3 Bc5 6. a3 Nc6 7. b4 Bd6 8. Bb5 a6 9. Bxc6+ bxc6 10. Ne5 Bxe5 11. fxe5 Nd7 12. 0-0 0-0 13. Bd4 f6 14. exf6 Nxf6 15. Bxf6 Rxf6 16. Nc3 d4 17. e4 dxc3 18. exf5 Rxf5 19. Rxf5 exf5 20. d3 a5 21. bxa5 Rxa5 22. Qf3 Qd5 23. Qf4 Qd6 24. Qc4+ Kf8 25. Qxc3 Re5 26. Rb1 Rb5 27. Rb4 Rc5 28. Rb8+ Kf7 29. Qb3+ Qd5 30. Rb7 Qxb3 31. cxb3 Rc3 32. d4 Ke6 33. a4 Kd6 34. a5 Kd7 35. a6 Kc8 36. Rb4 Rc1+ 37. Kf2 Ra1 38. Ra4 Rxa4 39. bxa4 Kb8 40. Kf3 Ka7 41. Kf4 g6 42. g4 fxg4 43. Kxg4 Kxa6 44. Kg5 Ka5 45. h4 Kxa4 46. Kh6 Kb4 47. Kxh7 c5 48. dxc5 Kxc5 49. Kxg6 Kb5 50. h5 c5 51. h6 c4 52. h7 c3 53. h8Q c2 54. Qb2+ 1-0

[Event "Wilhelm Werner Memorial-H 30th"]
[Site "Bockenem"]
[Date "2005.05.05"]
[Round "3"]
[White "Koenig, Walter"]
[Black "Soellig, Martin"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1751"]
[BlackElo "1951"]
[PlyCount "58"]
[EventDate "2005.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 e6 2. b3 b6 3. Bb2 Nf6 4. d3 d5 5. Nbd2 Bb7 6. e3 Be7 7. Be2 0-0 8. Ne5 Nbd7 9. f4 c5 10. 0-0 Ne8 11. Rf3 f6 12. Nxd7 Qxd7 13. Rh3 g6 14. Qe1 d4 15. Qg3 Rf7 16. Rf1 Ng7 17. e4 Raf8 18. Qh4 Ne8 19. Qh6 Rg7 20. Rff3 Nd6 21. Rhg3 f5 22. h4 Nf7 23. Qxg7+ Kxg7 24. h5 g5 25. c3 h6 26. cxd4 cxd4 27. Nc4 Kh7 28. Ne3 dxe3 29. Rxe3 Bc5 0-1

[Event "Northeim CES 1st"]
[Site "Northeim"]
[Date "2005.04.17"]
[Round "7"]
[White "Calder, Dennis"]
[Black "Koenig, Walter"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2053"]
[PlyCount "147"]
[EventDate "2005.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Nc3 a6 5. Nf3 d6 6. Bd3 Nbd7 7. a4 e5 8. 0-0 exd4 9. Nxd4 Ne5 10. Be2 c5 11. Nf3 0-0 12. Bf4 Nxf3+ 13. Bxf3 Qb6 14. Rb1 Bd7 15. b3 Rad8 16. Re1 Rfe8 17. Nd5 Nxd5 18. Qxd5 Be6 19. Qd3 Bf6 20. c4 Be5 21. Bg5 f6 22. Be3 Rf8 23. g3 Rd7 24. Bg2 g5 25. Qe2 Rg7 26. Red1 Qc7 27. Bc1 Qd8 28. Bf3 f5 29. exf5 Bxf5 30. Be4 Bh3 31. Rd3 Be6 32. Rf3 h6 33. Bb2 Bf7 34. Bxb7 Bg6 35. Bd5+ Kh8 36. Rxf8+ Qxf8 37. Bxe5 dxe5 38. Be4 Qf6 39. Rd1 Bxe4 40. Qxe4 Rf7 41. Qe3 Qf3 42. Rd5 e4 43. Qxf3 Rxf3 44. Rxc5 Rxb3 45. Rc6 a5 46. Rxh6+ Kg7 47. Ra6 Rb1+ 48. Kg2 Rb2 49. Kf1 Rb4 50. Rxa5 Kf6 51. c5 Rc4 52. h4 gxh4 53. gxh4 Kg6 54. c6 Rxc6 55. Re5 Rc4 56. a5 Kf6 57. Rb5 Kg6 58. h5+ Kh6 59. Ke2 Ra4 60. Ke3 Ra2 61. Kxe4 Rxf2 62. Kd4 Rc2 63. Rc5 Rd2+ 64. Kc4 Rc2+ 65. Kb5 Rb2+ 66. Kc6 Rb1 67. a6 Ra1 68. Kb6 Rb1+ 69. Rb5 Rf1 70. a7 Rf6+ 71. Kb7 Rf7+ 72. Ka6 Re7 73. a8Q Ra7+ 74. Kxa7 1-0

[Event "Northeim CES 1st"]
[Site "Northeim"]
[Date "2005.04.16"]
[Round "6"]
[White "Koenig, Walter"]
[Black "Seifart, Mario"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1981"]
[PlyCount "123"]
[EventDate "2005.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Nc6 6. c3 Bg4 7. Nbd2 Nge7 8. 0-0 Qd7 9. a4 0-0-0 10. b4 Rde8 11. Ba3 Ng6 12. b5 Nd8 13. Bxd6 Qxd6 14. Qc2 Kb8 15. Bf5 Qf4 16. Bxg4 Qxg4 17. h3 Qh5 18. Rfe1 f6 19. Nf1 Nh4 20. Nxh4 Qxh4 21. Rxe8 Rxe8 22. Qf5 Qe4 23. Qh5 c6 24. bxc6 bxc6 25. a5 Re7 26. Ng3 Qc2 27. a6 Qxc3 28. Rb1+ Kc7 29. Qxh7 Re1+ 30. Rxe1 Qxe1+ 31. Kh2 Qe7 32. Nf5 Qf7 33. Nxg7 Kb6 34. Qh8 Qc7+ 35. g3 Kxa6 36. h4 c5 37. dxc5 d4 38. Nf5 Qxc5 39. Qxf6+ Qb6 40. Qxd4 Qxd4 41. Nxd4 Kb6 42. Kg2 Kc5 43. Nc2 Kc4 44. Kf3 a5 45. Ke2 Kc3 46. Na3 Kb4 47. Nb1 Kb3 48. Kd3 a4 49. h5 Nf7 50. f4 Nh6 51. Nd2+ Kb2 52. Nc4+ Kb3 53. Nd2+ Kb2 54. Kc4 a3 55. Nb3 a2 56. Kb4 Nf5 57. g4 Nd4 58. h6 Nxb3 59. h7 a1Q 60. h8Q+ Kc2 61. Qxa1 Nxa1 62. g5 1-0

[Event "Northeim CES 1st"]
[Site "Northeim"]
[Date "2005.04.15"]
[Round "3"]
[White "Koenig, Walter"]
[Black "Tonndorf, Matthias"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "2242"]
[PlyCount "46"]
[EventDate "2005.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. 0-0 Nf6 5. d3 e6 6. Bg5 Be7 7. Nbd2 0-0 8. e4 d6 9. e5 dxe5 10. Nxe5 Bxg2 11. Kxg2 Qc7 12. Ndf3 h6 13. Bxf6 Bxf6 14. Qe2 Nc6 15. Rae1 Rac8 16. a3 Rfd8 17. Nxc6 Qxc6 18. c3 Rd7 19. Kg1 Rcd8 20. Qe4 Qb5 21. d4 cxd4 22. Nxd4 Bxd4 23. cxd4 Qxb2 0-1

[Event "Northeim CES 1st"]
[Site "Northeim"]
[Date "2005.04.15"]
[Round "4"]
[White "Polenz, Frederik"]
[Black "Koenig, Walter"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1981"]
[PlyCount "63"]
[EventDate "2005.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. f4 b6 2. Nf3 Bb7 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. Bb5 Qc7 7. 0-0 h6 8. Qe2 a6 9. Bxc6 Bxc6 10. d3 g5 11. Nbd2 gxf4 12. exf4 Rg8 13. Bxf6 Rg6 14. Be5 d6 15. Bb2 0-0-0 16. f5 Rg8 17. d4 Bg7 18. Qxa6+ Bb7 19. Qd3 e5 20. fxe6 fxe6 21. c4 cxd4 22. Bxd4 e5 23. Bf2 Rdf8 24. Ne4 Kb8 25. Rae1 Bh8 26. Qxd6 Rxf3 27. Qxc7+ Kxc7 28. Bxb6+ Kxb6 29. Rxf3 Rg4 30. Rfe3 Bg7 31. b4 Bf8 32. a3 1-0

[Event "Northeim CES 1st"]
[Site "Northeim"]
[Date "2005.04.14"]
[Round "1"]
[White "Koenig, Walter"]
[Black "Sarveniazi, Ali Reza"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "34"]
[EventDate "2005.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. f3 Qc7 7. Bd3 Nc6 8. c3 Ne5 9. 0-0 d5 10. Bc2 Nc4 11. Bc1 Bd6 12. Qe2 Bxh2+ 13. Kh1 Nh5 14. Qe1 Bg3 15. Rf2 Qe7 16. Kg1 Qh4 17. b3 Bh2+ 0-1

[Event "Northeim CES 1st"]
[Site "Northeim"]
[Date "2005.04.14"]
[Round "2"]
[White "Voges, Jens Christian"]
[Black "Koenig, Walter"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "86"]
[EventDate "2005.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Ne5 5. Bf4 d6 6. Nc3 Nf6 7. Nf3 Nxf3+ 8. Qxf3 Bg4 9. Qd3 Be7 10. Be2 Bd7 11. Bf3 0-0 12. 0-0 Bc6 13. Rfe1 Nd7 14. Bg4 Ne5 15. Bxe5 dxe5 16. Qxd8 Raxd8 17. Rad1 Bb4 18. Rxd8 Rxd8 19. Bf3 Bxc3 20. bxc3 Rd2 21. Rd1 Rxd1+ 22. Bxd1 Bxe4 23. a3 Kf8 24. Kf1 Ke7 25. g3 Kd6 26. Ke2 Kc5 27. Ke3 Bc6 28. Be2 f5 29. h4 g6 30. Kd2 h6 31. f4 exf4 32. gxf4 Kd6 33. Bc4 Ke7 34. Ke3 Kf6 35. Bb3 g5 36. fxg5+ hxg5 37. hxg5+ Kxg5 38. Kf2 Kf4 39. Bc4 Be4 40. Bd3 c5 41. Bxe4 Kxe4 42. a4 Kd5 43. Ke3 Kc4 0-1

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.18"]
[Round "9"]
[White "Koenig, Walter"]
[Black "Haufe Ahmels, Richard"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "37"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 c6 5. d3 Nf6 6. Nf3 Bf5 7. Bd2 Qc7 8. Qe2 e6 9. Ne4 Nbd7 10. Bc3 Be7 11. 0-0-0 0-0-0 12. Nfg5 Rhf8 13. Nxf6 Nxf6 14. Bxf6 Bxf6 15. Ne4 Be7 16. a3 g6 17. g4 Bxe4 18. Qxe4 Bh4 19. f3 1/2-1/2

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.17"]
[Round "8"]
[White "Brest, Arne"]
[Black "Koenig, Walter"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "129"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 Nf6 6. Nf3 d6 7. Bg5 g6 8. Bxf6 exf6 9. 0-0 Bg7 10. Bb5 0-0 11. Bxc6 bxc6 12. Qd2 f5 13. exf5 Bxf5 14. Rad1 d5 15. Nd4 Bxd4 16. Qxd4 Re8 17. Rde1 Rxe1 18. Rxe1 Qd6 19. Ne4 Bxe4 20. Rxe4 c5 21. Qd2 Qc6 22. Re1 Re8 23. Rxe8+ Qxe8 24. h3 d4 25. b4 Qe5 26. bxc5 Qxc5 27. Qf4 d3 28. Qb8+ Kg7 29. Qb2+ Kf8 30. Qb8+ Ke7 31. Qb7+ Kd8 32. Qb8+ Ke7 33. Qb7+ Kd8 34. Qb8+ Qc8 35. Qxc8+ Kxc8 36. Kf1 Kc7 37. Ke1 Kc6 38. Kd2 Kc5 39. Kxd3 Kb4 40. Kc2 a5 41. Kb2 a4 42. a3+ Kb5 43. Kc3 f5 44. f4 h5 45. h4 Ka5 46. Kc4 Kb6 47. Kb4 Kc6 48. Kxa4 Kd5 49. Kb5 Ke4 50. g3 Kf3 51. a4 Kxg3 52. a5 g5 53. a6 gxh4 54. a7 h3 55. a8Q h2 56. Qa3+ Kg2 57. Qb2+ Kg3 58. Qc3+ Kg2 59. Qc6+ Kg3 60. Kc4 Kf2 61. Qh1 Kg3 62. Kd3 h4 63. Ke3 Kg4 64. Qg2+ Kh5 65. Qg5# 1-0

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.16"]
[Round "6"]
[White "Koenig, Walter"]
[Black "Raider, Eugen"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "78"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nb6 5. d3 Bf5 6. Nf3 e6 7. 0-0 Bd6 8. Be3 h6 9. h3 h5 10. Nd4 g6 11. Qf3 Qf6 12. Ne4 Qd8 13. Nb5 Be5 14. Rab1 c6 15. d4 Nxc4 16. b3 cxb5 17. bxc4 Bc7 18. cxb5 Nd7 19. Bg5 Qb8 20. Nf6+ Nxf6 21. Bxf6 Rh7 22. Qb3 Bb6 23. Qb4 Bd8 24. Bxd8 Qxd8 25. b6 Qg5 26. Qb5+ Kf8 27. Qc5+ Kg8 28. Rfe1 axb6 29. Rxb6 Re8 30. d5 e5 31. d6 Bxh3 32. Qd5 Rd8 33. Rxe5 Qc1+ 34. Kh2 Qf4+ 35. Kxh3 Qg4+ 36. Kh2 h4 37. Rg5 Qf4+ 38. g3 hxg3+ 39. Kg2 Qxf2# 0-1

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.16"]
[Round "7"]
[White "Koenig, Walter"]
[Black "Ried, Daniel"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "89"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 e6 6. Bf4 Nf6 7. Nf3 Nbd7 8. Nd6+ Bxd6 9. Bxd6 Nb6 10. Be5 Bxd3 11. Qxd3 0-0 12. Ng5 Rc8 13. Bxf6 g6 14. Bxd8 Rcxd8 15. 0-0-0 Rd5 16. f4 Rf5 17. g3 Nd7 18. Rhe1 Re8 19. Ne4 Rd5 20. Ng5 Rf5 21. Re4 b5 22. g4 Rd5 23. h4 Nf6 24. Re5 Rd6 25. Rg1 Nd5 26. h5 Nxf4 27. Qe3 Nd5 28. Qe4 Nf6 29. Qf3 Rxd4 30. hxg6 hxg6 31. Qe2 Rd6 32. Qf2 Rf8 33. Qc5 Rdd8 34. Qe7 Nd5 35. Qxa7 Ra8 36. Qc5 Rac8 37. Rf1 Rc7 38. Nxe6 Rcc8 39. Nxf8 Rxf8 40. Qd6 b4 41. Qxc6 Nb6 42. Qxb6 b3 43. Rxf7 Rxf7 44. Qxg6+ Rg7 45. Re8# 1-0

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.15"]
[Round "5"]
[White "Goepfert, Jakob"]
[Black "Koenig, Walter"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "47"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 c6 5. Bxc4 Nf6 6. Nc3 Bb4 7. Bg5 h6 8. Nge2 hxg5 9. 0-0 Bxc3 10. Nxc3 Nbd7 11. Qb3 b6 12. Rad1 g4 13. dxc6 Qe7 14. cxd7+ Bxd7 15. Rd3 Qc5 16. Bxf7+ Kf8 17. Bg6 Be8 18. Bf5 g6 19. Qe6 Bf7 20. Qxf6 Rh5 21. Bxg6 Qc4 22. Bxh5 Rc8 23. Rd7 Rc7 24. Rd8# 1-0

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.14"]
[Round "4"]
[White "Dibbern, Moritz"]
[Black "Koenig, Walter"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "66"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Nc3 g6 5. d3 Bg7 6. Be3 b6 7. d4 cxd4 8. Bxd4 Nxd4 9. Nxd4 Nf6 10. Qd2 0-0 11. 0-0-0 Bb7 12. Qe3 Rc8 13. Bb3 Ng4 14. Qd2 e5 15. Nf3 Qf6 16. Rdf1 Ba6 17. Rd1 Bh6 18. Nd5 Bxd2+ 19. Rxd2 Qd8 20. h3 Nf6 21. Nb4 Nxe4 22. Re2 Nc5 23. Re3 Nxb3+ 24. Rxb3 Bc4 25. Re3 a5 26. Nxe5 axb4 27. h4 Bxa2 28. Re2 d6 29. Nf3 Bc4 30. Rd2 Ra8 31. b3 Ra1+ 32. Kb2 Qf6+ 33. c3 Qxc3# 0-1

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.14"]
[Round "3"]
[White "Koenig, Walter"]
[Black "Steinfeldt, Henry"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1028"]
[PlyCount "68"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 d6 6. Bg5 Be6 7. Nd5 Bxd5 8. Bxd5 h6 9. Bxf6 Qxf6 10. 0-0 0-0 11. Nd2 Rab8 12. Nb3 Bb6 13. Qg4 Nb4 14. Qd7 Nxc2 15. Rac1 Nb4 16. a3 Nxd3 17. Rc2 Nf4 18. Rc3 Ne2+ 19. Kh1 Nxc3 20. bxc3 Qd8 21. Qf5 Qf6 22. Qd7 Rfd8 23. Qg4 Qg5 24. Qxg5 hxg5 25. Kg1 Kf8 26. Rd1 Ke7 27. Rd3 c6 28. Rf3 cxd5 29. exd5 Rbc8 30. g4 Rc4 31. Nd2 Rxg4+ 32. Rg3 Rxg3+ 33. hxg3 Rc8 34. Ne4 g4 0-1

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.13"]
[Round "2"]
[White "Wonschik, Felix"]
[Black "Koenig, Walter"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1017"]
[PlyCount "60"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. Nc3 Bg7 5. d3 d6 6. Bf4 Nf6 7. Qd2 Bg4 8. Qe3 Bxf3 9. Qxf3 0-0 10. Qh3 Nd4 11. Rc1 e5 12. Bh6 Rc8 13. Bg5 Qd7 14. Qh4 Qg4 15. Bxf6 Qxg2 16. Kd2 Nf3+ 17. Ke2 Nxh4 18. Bxh4 Qg4+ 19. f3 Qxh4 20. Nd5 Bh6 21. Rcg1 Rce8 22. Rg4 Qd8 23. h4 Qa5 24. Nc3 Qb4 25. Nb1 Qxb2 26. Bb3 Qd4 27. Kf1 Qe3 28. Rg3 Bf4 29. Rg2 Qxf3+ 30. Rf2 Qxh1+ 0-1

[Event "Hamburg State-ch U12"]
[Site "Cuxhaven"]
[Date "2005.03.12"]
[Round "1"]
[White "Koenig, Walter"]
[Black "Garny, Annica"]
[Result "0-1"]
[ECO "C53"]
[BlackElo "1236"]
[PlyCount "166"]
[EventDate "2005.03.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 Bb6 6. dxe5 dxe5 7. Qxd8+ Nxd8 8. Nxe5 Nf6 9. Bd3 0-0 10. Bg5 Re8 11. Bxf6 gxf6 12. Nc4 Bc5 13. Nbd2 Nc6 14. 0-0 Ne5 15. Nxe5 fxe5 16. Bc4 Be6 17. Bxe6 Rxe6 18. b4 Be7 19. Nf3 Rd8 20. Rad1 Rc8 21. Rd5 f6 22. Rfd1 Rc6 23. R1d3 Ra6 24. Ra5 Rxa5 25. bxa5 Kf7 26. g4 Ke6 27. h4 c5 28. c4 Rb8 29. g5 b5 30. axb6 axb6 31. gxf6 Bxf6 32. h5 Ra8 33. a3 Ra4 34. Nd2 Bg5 35. Nf3 Bc1 36. Rd5 Bb2 37. Ng5+ Kf6 38. Nxh7+ Kg7 39. Rd7+ Kh6 40. Nf6 Rxc4 41. Nd5 Rxe4 42. f3 Rh4 43. Nxb6 c4 44. Rd6+ Kxh5 45. Rd2 Bd4+ 46. Kf1 Bxb6 47. Ke1 Ba5 48. Kd1 Bxd2 49. Kxd2 Rf4 50. a4 Rxf3 51. a5 Ra3 52. Kc2 Rxa5 53. Kc3 e4 54. Kxc4 e3 55. Kd3 Re5 56. Ke2 Ra5 57. Kxe3 Ra4 58. Kd2 Kg5 59. Ke3 Kf5 60. Kd3 Ke5 61. Kc3 Kd5 62. Kb3 Rh4 63. Kc3 Rg4 64. Kb3 Kc5 65. Kc3 Rg3+ 66. Kd2 Kc4 67. Ke2 Kd4 68. Kf2 Ra3 69. Ke2 Rb3 70. Kf2 Ke4 71. Kg2 Kf4 72. Kh2 Kg4 73. Kg2 Rb2+ 74. Kf1 Kf3 75. Ke1 Ke3 76. Kd1 Kd3 77. Ke1 Rc2 78. Kd1 Rh2 79. Ke1 Ra2 80. Kf1 Ke3 81. Kg1 Kf3 82. Kh1 Kg3 83. Kg1 Ra1# 0-1

[Event "Wilhelm Werner Memorial-H 29th"]
[Site "Bockenem"]
[Date "2004.05.22"]
[Round "5"]
[White "Koenig, Walter"]
[Black "Verhoef, Helge"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1751"]
[BlackElo "1922"]
[PlyCount "100"]
[EventDate "2004.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. Bg5 Nbd7 10. Kh1 0-0 11. Qe1 Qc7 12. Rd1 b5 13. Bd3 Nb6 14. Bxf6 Bxf6 15. Nd5 Nxd5 16. exd5 Bxd5 17. Bxh7+ Kxh7 18. Rxd5 Qxc2 19. Rxd6 Rfd8 20. Qd2 Qxd2 21. Rxd2 Rxd2 22. Nxd2 Rc8 23. Ne4 Rc2 24. Rb1 Be7 25. g4 Kg6 26. Kg2 f5 27. gxf5+ Kxf5 28. Kf3 Bd8 29. Nd6+ Ke6 30. Ne4 Bb6 31. a3 Bd4 32. Re1 Kf7 33. Nd6+ Kf8 34. Ne4 Rxb2 35. Rc1 Rb3+ 36. Ke2 Rxa3 37. Rc8+ Kf7 38. Rc7+ Kg6 39. Rc6+ Kf5 40. Ng3+ Kg4 41. Rg6+ Kh3 42. Ne4 b4 43. Ng5+ Kxh2 44. Nf3+ Rxf3 45. Kxf3 b3 46. Rg2+ Kh1 47. Rg4 b2 48. Rh4+ Kg1 49. Rg4+ Kf1 50. Rh4 Ke1 0-1

[Event "Wilhelm Werner Memorial-H 29th"]
[Site "Bockenem"]
[Date "2004.05.20"]
[Round "2"]
[White "Koenig, Walter"]
[Black "Kobs, Stephan"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1751"]
[BlackElo "1924"]
[PlyCount "34"]
[EventDate "2004.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. f3 Nbd7 10. 0-0 0-0 11. Qe1 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. c4 Be6 15. Nd2 Bc5 16. Qf2 Bxe3 17. Qxe3 Qb6 1/2-1/2

[Event "Wilhelm Werner Memorial-H 29th"]
[Site "Bockenem"]
[Date "2004.05.20"]
[Round "3"]
[White "Menzler, Thomas"]
[Black "Koenig, Walter"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1897"]
[BlackElo "1751"]
[PlyCount "57"]
[EventDate "2004.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. g3 e6 4. Bg2 Nc6 5. 0-0 d6 6. Nc3 Be7 7. d4 0-0 8. d5 exd5 9. cxd5 Nb4 10. e4 Bg4 11. h3 Bxf3 12. Bxf3 Nd7 13. Be2 a5 14. Bf4 g5 15. Be3 Na6 16. Bg4 Nc7 17. Bf5 Kg7 18. Qh5 h6 19. f4 Nf6 20. Qf3 Nh7 21. e5 Rg8 22. Rad1 gxf4 23. gxf4 f6 24. Kh1 Kh8 25. Rg1 Qf8 26. Rxg8+ Qxg8 27. Rg1 Qf7 28. e6 Qf8 29. Qe4 1-0

[Event "Niedersachsen-ch"]
[Site "Bad Lauterberg"]
[Date "2003.04.12"]
[Round "1.8"]
[White "Koenig, Walter"]
[Black "Loeper, Detlef"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1734"]
[BlackElo "2017"]
[PlyCount "96"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. Nxe5 Bd6 4. d4 dxe4 5. Nc3 Bxe5 6. dxe5 Qxd1+ 7. Kxd1 Nc6 8. Nd5 Bg4+ 9. Be2 Bxe2+ 10. Kxe2 0-0-0 11. Rd1 Nxe5 12. Bf4 Ng6 13. Bg3 c6 14. Ne3 N8e7 15. Nc4 Nf5 16. Nd6+ Nxd6 17. Bxd6 Rhe8 18. Rd2 Nh4 19. Rad1 Nf5 20. Bc5 b6 21. Rxd8+ Rxd8 22. Rxd8+ Kxd8 23. Bb4 Nd4+ 24. Kd2 f5 25. c3 c5 26. cxd4 cxb4 27. Ke3 Kd7 28. Kf4 Ke6 29. g4 g6 30. gxf5+ gxf5 31. h4 Kd5 32. Kxf5 Kxd4 33. h5 Kd3 34. h6 a5 35. Kf6 a4 36. Kf7 Ke2 37. Kg7 Kxf2 38. Kxh7 e3 39. Kg6 e2 40. h7 e1Q 41. h8Q Qe4+ 42. Kf7 Ke1 43. Qh6 Qd5+ 44. Ke7 Qc5+ 45. Kd7 Kd1 46. Qh1+ Kc2 47. Qg2+ Kb1 48. a3 b3 0-1

[Event "Wilhelm Werner Memorial-H 27th"]
[Site "Bockenem"]
[Date "2002.05.12"]
[Round "7"]
[White "Koenig, Walter"]
[Black "Wiege, Gerald"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1686"]
[BlackElo "1960"]
[PlyCount "42"]
[EventDate "2002.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. e3 c6 5. Nc3 Nbd7 6. cxd5 exd5 7. a3 Bd6 8. Bd3 0-0 9. Qc2 Re8 10. 0-0 Qe7 11. Nh4 g6 12. f4 Ng4 13. Nf3 Nxe3 14. Bxe3 Qxe3+ 15. Kh1 Qxf4 16. Ne2 Qh6 17. Rae1 Nf6 18. h3 Bxh3 19. gxh3 Qxh3+ 20. Kg1 Ng4 21. Rf2 Re3 0-1

[Event "Wilhelm Werner Memorial-H 27th"]
[Site "Bockenem"]
[Date "2002.05.09"]
[Round "3"]
[White "Koenig, Walter"]
[Black "Schwetje, Siegfried"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1686"]
[BlackElo "1789"]
[PlyCount "40"]
[EventDate "2002.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. 0-0 Nf6 5. d3 Be7 6. Bg5 a6 7. c3 b5 8. Bb3 Nc6 9. Nbd2 0-0 10. Re1 e5 11. Nf1 Be6 12. Nh4 Qd7 13. Ng3 Ne8 14. Bxe7 Nxe7 15. Ne2 Ng6 16. Nf3 h6 17. d4 c4 18. Bc2 Bg4 19. Ng3 Nh4 20. dxe5 Bxf3 0-1

