[Event "Rapperswil Jona op 3rd"]
[Site "Rapperswil"]
[Date "2010.07.03"]
[Round "4"]
[White "Cavaletto, Massimo"]
[Black "Koller, Arthur"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2179"]
[BlackElo "1773"]
[PlyCount "55"]
[EventDate "2010.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Bd3 d5 5. b3 Qa5+ 6. c3 Nc6 7. 0-0 Bd6 8. c4 0-0 9. Bb2 cxd4 10. exd4 Bd7 11. Nbd2 Ba3 12. Qc1 Bxb2 13. Qxb2 Rfe8 14. Rfe1 Rac8 15. c5 Qc7 16. b4 b6 17. Rac1 bxc5 18. Rxc5 Qb8 19. a3 Ne7 20. Rec1 Rxc5 21. Rxc5 Rc8 22. Qc3 Rxc5 23. Qxc5 Nc8 24. Ne5 Be8 25. Ba6 Nb6 26. Qe7 h6 27. Nb3 Nc8 28. Qd8 1-0

[Event "Rapperswil Jona op 3rd"]
[Site "Rapperswil"]
[Date "2010.07.02"]
[Round "2"]
[White "Wegelin, Reinhard"]
[Black "Koller, Arthur"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1897"]
[BlackElo "1773"]
[PlyCount "39"]
[EventDate "2010.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Bd3 d5 5. b3 Nc6 6. Nbd2 Be7 7. Bb2 0-0 8. 0-0 b6 9. a3 Bb7 10. Ne5 cxd4 11. exd4 Nxe5 12. dxe5 Ne4 13. Qe1 Nxd2 14. Qxd2 d4 15. Rae1 Qd7 16. Bxd4 Rfd8 17. c3 Rac8 18. Re3 Bd5 19. Rh3 g6 20. Qh6 1-0

[Event "Rapperswil Jona op 3rd"]
[Site "Rapperswil"]
[Date "2010.07.01"]
[Round "1"]
[White "Koller, Arthur"]
[Black "Schoeb, Peter"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1773"]
[BlackElo "1364"]
[PlyCount "69"]
[EventDate "2010.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 e6 4. f3 Nf6 5. fxe4 c6 6. Nf3 Be7 7. Bd3 b5 8. 0-0 b4 9. Ne2 a5 10. c4 bxc3 11. bxc3 0-0 12. Ng3 Bb7 13. a4 c5 14. Qb3 Qc7 15. Bd2 Ba6 16. Bxa6 Rxa6 17. Rfb1 Nc6 18. Qb7 Qxb7 19. Rxb7 Rc8 20. Rab1 Ra7 21. Rxa7 Nxa7 22. Rb7 Nc6 23. Bf4 cxd4 24. cxd4 Bd8 25. h3 Ne8 26. d5 e5 27. Be3 Nd4 28. Nxe5 Nd6 29. Rd7 Bc7 30. Bxd4 f6 31. Nc6 Nf7 32. Ne7+ Kf8 33. Nxc8 Bxg3 34. Bc5+ Ke8 35. Re7+ 1-0

[Event "Wil"]
[Site "Wil"]
[Date "1998.??.??"]
[Round "?"]
[White "Freuler, Roman"]
[Black "Koller, Arthur"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1930"]
[BlackElo "1770"]
[PlyCount "98"]
[EventDate "1998.08.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Nc3 d5 5. Bg5 dxe4 6. dxe4 Qxd1+ 7. Rxd1 Bb4 8. Bd2 Bxc3 9. Bxc3 Nxe4 10. Bxe5 Nxe5 11. Nxe5 Be6 12. Bb5+ Ke7 13. 0-0 Rhd8 14. Rde1 Nd2 15. f4 Nxf1 16. Kxf1 Kf8 17. b3 Rd4 18. g3 Bh3+ 19. Kf2 Rd2+ 20. Re2 Rxe2+ 21. Kxe2 c6 22. Bd3 Re8 23. Kf2 f6 24. Nc4 g6 25. a4 Rd8 26. Kf3 Be6 27. Nb2 Ke7 28. Ke3 Kd6 29. Be2 Re8 30. Kd2 Kc7 31. Nd3 Rd8 32. Kc3 b6 33. Nf2 f5 34. Nd3 Kd6 35. Ne5 Rb8 36. Bd3 g5 37. Nf3 gxf4 38. gxf4 Rg8 39. Nd4 Rg2 40. Bxf5 Bxf5 41. Nxf5+ Kd7 42. Ne3 Rxh2 43. Kd4 h5 44. f5 h4 45. Ke4 Rf2 46. Ng4 Rxc2 47. Ke5 Re2+ 48. Kf6 h3 49. Kg7 Rg2 0-1

[Event "Wil"]
[Site "Wil"]
[Date "1998.??.??"]
[Round "?"]
[White "Illi, Hans Joerg"]
[Black "Koller, Arthur"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2115"]
[BlackElo "1770"]
[PlyCount "56"]
[EventDate "1998.08.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. Nc3 g6 4. e4 Nf6 5. f4 Bg7 6. Bb5+ Nfd7 7. Nf3 0-0 8. a4 Na6 9. 0-0 Nc7 10. Bd3 a6 11. Qe2 b6 12. Rb1 Bb7 13. Bc4 Ra7 14. Be3 Qa8 15. Rbd1 Nf6 16. Rd2 Ng4 17. Rfd1 Nxe3 18. Qxe3 b5 19. Ba2 b4 20. Ne2 Bxb2 21. f5 Bg7 22. g4 Ne8 23. g5 Bc8 24. Nh4 Bd7 25. Nf4 Bd4 26. Rxd4 cxd4 27. Rxd4 Rc7 28. Rxb4 Qa7 1/2-1/2

[Event "Wil"]
[Site "Wil"]
[Date "1998.??.??"]
[Round "?"]
[White "Koller, Arthur"]
[Black "Eberle, Marcel"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1770"]
[BlackElo "1830"]
[PlyCount "41"]
[EventDate "1998.08.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 c6 4. Bd3 Bg4 5. Nbd2 Nbd7 6. h3 Bh5 7. c3 e6 8. 0-0 Bd6 9. Re1 0-0 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Nf6 13. Bg5 Be7 14. Bd3 Nd5 15. Bxe7 Nxe7 16. Qe2 Bg6 17. Rad1 Bxd3 18. Qxd3 Ng6 19. Qe4 Qd5 20. Qxd5 cxd5 21. g3 1/2-1/2

[Event "Wil"]
[Site "Wil"]
[Date "1998.??.??"]
[Round "?"]
[White "Koller, Arthur"]
[Black "Faessler, Peter"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1770"]
[BlackElo "1900"]
[PlyCount "40"]
[EventDate "1998.08.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 c6 6. c3 Nbd7 7. b4 0-0 8. Be2 Re8 9. 0-0 Nb6 10. a4 Ne4 11. Nxe4 dxe4 12. Nd2 Qd5 13. Bh4 a5 14. b5 e5 15. Qc2 exd4 16. cxd4 Bd7 17. bxc6 Bxc6 18. Nc4 Nc8 19. Rfc1 Qe6 20. Bg3 Bd5 1/2-1/2

[Event "Wil"]
[Site "Wil"]
[Date "1998.??.??"]
[Round "?"]
[White "Koller, Arthur"]
[Black "Hertli, Juerg"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1770"]
[BlackElo "2050"]
[PlyCount "50"]
[EventDate "1998.08.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. f4 Nf6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 0-0 9. Bd3 Qb6 10. Na4 Qa5+ 11. Nc3 Nxd5 12. exd5 Bxc3+ 13. bxc3 Qxc3+ 14. Kf2 Qxa1 15. h4 c4 16. Be2 Nd7 17. h5 Nf6 18. hxg6 fxg6 19. Qh3 Rf7 20. Be3 Ne4+ 21. Kf3 Ng5+ 22. Kg3 Qc3 23. fxg5 Qxe3+ 24. Bf3 Raf8 25. Kh2 Rxf3 0-1

[Event "Wil"]
[Site "Wil"]
[Date "1998.??.??"]
[Round "?"]
[White "Koller, Arthur"]
[Black "Ineichen, Hanspeter"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1770"]
[BlackElo "1940"]
[PlyCount "70"]
[EventDate "1998.08.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. c3 d6 6. e3 Nbd7 7. a4 e5 8. Bc4 Qe8 9. 0-0 e4 10. Ne1 h6 11. Bxf6 Nxf6 12. a5 a6 13. Nc2 h5 14. Nb4 c6 15. Re1 Qe7 16. Qc2 Re8 17. Bf1 Bf5 18. Nc4 Rad8 19. Nb6 Qc7 20. g3 h4 21. Bg2 Nh7 22. Rac1 Ng5 23. Qe2 Bh3 24. Bh1 Qe7 25. c4 Qf6 26. c5 d5 27. Nc2 Qf5 28. Na1 Re6 29. Nb3 Nf3+ 30. Bxf3 exf3 31. Qd1 hxg3 32. Nd2 gxh2+ 33. Kxh2 Bg2 34. Rh1 Qh3+ 35. Kg1 Qxh1# 0-1

[Event "Wil"]
[Site "Wil"]
[Date "1998.??.??"]
[Round "?"]
[White "Leutwyler, Martin"]
[Black "Koller, Arthur"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2130"]
[BlackElo "1770"]
[PlyCount "73"]
[EventDate "1998.08.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. e4 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Na6 8. h3 Nc7 9. a4 a6 10. Bf4 Rb8 11. e5 Nfe8 12. Rb1 b5 13. axb5 axb5 14. b4 c4 15. Qd2 Bb7 16. Rbd1 Ra8 17. Rfe1 Ra3 18. Bf1 Qa8 19. Bg5 f6 20. exf6 exf6 21. Be3 f5 22. Bd4 Nf6 23. Re7 Rf7 24. Rxc7 Rxc7 25. Nxb5 c3 26. Qc1 Nxd5 27. Qxa3 Qxa3 28. Nxa3 Nxb4 29. Bxg7 Kxg7 30. Rxd6 Bxf3 31. gxf3 Ra7 32. Rd4 Nc6 33. Rc4 Rxa3 34. Rxc6 f4 35. Bc4 Ra1+ 36. Kg2 g5 37. Bb3 1-0

[Event "Ticino op"]
[Site "Ticino"]
[Date "1993.??.??"]
[Round "1"]
[White "Foisor, Ovidiu Doru"]
[Black "Koller, Arthur"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2425"]
[PlyCount "55"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nf3 d5 5. cxd5 Nxd5 6. 0-0 Be7 7. d4 exd4 8. Nxd4 0-0 9. Nxc6 bxc6 10. Qa4 Bb7 11. Nc3 Qc8 12. Ne4 Qf5 13. Bd2 Rfd8 14. Qa5 Qg6 15. Rac1 Nb6 16. Nc5 Bc8 17. Nd3 Bb7 18. Bf4 Rxd3 19. exd3 Qxd3 20. Rfd1 Qg6 21. Bxc7 Nd5 22. Bxd5 cxd5 23. Qb5 Qa6 24. Qxa6 Bxa6 25. Rxd5 Rc8 26. Bf4 Rxc1+ 27. Bxc1 Bc4 28. Rd7 1-0

[Event "Leukerbad op"]
[Site "Leukerbad"]
[Date "1992.??.??"]
[Round "?"]
[White "Koller, Arthur"]
[Black "Mouther, J."]
[Result "1-0"]
[ECO "D00"]
[PlyCount "43"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. e4 dxe4 4. f3 e6 5. fxe4 Bb4 6. Bd3 0-0 7. Nf3 h6 8. 0-0 Be7 9. e5 Nh7 10. Ne4 Bd7 11. Qe2 Bc6 12. Kh1 Nd7 13. Bf4 g5 14. Bg3 f5 15. exf6 Nhxf6 16. Nexg5 hxg5 17. Qxe6+ Kg7 18. Nxg5 Bd5 19. Qf5 Qe8 20. Be5 Bg8 21. Ne6+ Bxe6 22. Qh7# 1-0

[Event "San Bernardino op"]
[Site "San Bernardino"]
[Date "1992.??.??"]
[Round "1"]
[White "Leuba, Didier"]
[Black "Koller, Arthur"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2280"]
[PlyCount "65"]
[EventDate "1992.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. e4 Nf6 4. Nc3 g6 5. Be2 Bg7 6. Nf3 0-0 7. 0-0 Na6 8. Nd2 Nc7 9. a4 a6 10. Nc4 Rb8 11. a5 Nb5 12. f3 Nxc3 13. bxc3 Nd7 14. Bd2 b5 15. axb6 Nxb6 16. Na5 Bd7 17. Bxa6 Na4 18. Nc6 Bxc6 19. dxc6 Nxc3 20. Qe1 Nb5 21. Ra2 Qb6 22. Bb7 Rxb7 23. cxb7 Qxb7 24. Qb1 Qc6 25. c4 Nd4 26. Ra7 Re8 27. Qb7 Qxb7 28. Rxb7 h5 29. Rfb1 Nc6 30. f4 Bd4+ 31. Kf1 f6 32. Rc7 Na5 33. Bxa5 1-0

[Event "Brocco op"]
[Site "Brocco"]
[Date "1991.??.??"]
[Round "8"]
[White "Braun, Erhard"]
[Black "Koller, Arthur"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "128"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. d4 Qe8 6. Nc3 c6 7. Bd3 g6 8. 0-0 Kg7 9. f4 Be6 10. e5 dxe5 11. fxe5 Nfd7 12. Be3 Be7 13. Qd2 Rg8 14. Bh6+ Kh8 15. Qf4 Bf8 16. h4 Bg7 17. Ne4 Rf8 18. Bxg7+ Kxg7 19. Nd6 Qe7 20. Qg3 Rxf1+ 21. Rxf1 Nf8 22. Rf7+ Qxf7 23. Nxf7 Bxf7 24. Qg5 Nbd7 25. h5 h6 26. Qe7 Re8 27. Qb4 b6 28. hxg6 Bxg6 29. Bxg6 a5 30. Qc4 Nxg6 31. Qxc6 Ngf8 32. d5 Rxe5 33. a3 Rg5 34. b4 axb4 35. axb4 Rg6 36. d6 Kf7 37. c4 Rg5 38. Qe4 Re5 39. Qf4+ Kg6 40. Qg4+ Rg5 41. Qe4+ Kf6 42. c5 bxc5 43. b5 Re5 44. Qb1 Nb6 45. Kf2 Nfd7 46. g4 h5 47. gxh5 Rxh5 48. Qe4 Re5 49. Qh7 Ke6 50. Qg6+ Kd5 51. Qd3+ Ke6 52. Qg6+ Nf6 53. Kf3 Nbd7 54. Qb1 Kxd6 55. b6 Kc6 56. b7 Re8 57. Kf4 Rb8 58. Qh1+ Kc7 59. Ke3 Rxb7 60. Qh2+ Kc6 61. Qg2+ Nd5+ 62. Ke4 N7f6+ 63. Kd3 Rb4 64. Qa2 Rd4+ 0-1

[Event "Brocco op"]
[Site "Brocco"]
[Date "1991.??.??"]
[Round "3"]
[White "Dutreeuw, Marc"]
[Black "Koller, Arthur"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2410"]
[PlyCount "81"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. c4 Nb4 9. Be2 0-0 10. Nc3 Nf6 11. c5 Bf5 12. Bf4 c6 13. a3 Na6 14. Bxa6 bxa6 15. Ne5 Qc8 16. Qa4 Bd7 17. Nxd7 Nxd7 18. Rfe1 Bf6 19. Bd6 Rd8 20. Na2 Nb6 21. cxb6 Rxd6 22. Qb4 Rd7 23. bxa7 Rdxa7 24. Qc5 a5 25. Rac1 Rc7 26. b4 Qg4 27. b5 Bxd4 28. Qd6 Rcc8 29. bxc6 Qf5 30. Rf1 Be5 31. Qc5 Ra6 32. Qb5 Raa8 33. Nc3 Bxc3 34. Rxc3 Qf6 35. Rc5 d4 36. Rfc1 Rc7 37. h3 h6 38. Qb6 Rac8 39. Qxa5 Rxc6 40. Rxc6 Rxc6 41. Qa8+ 1-0

[Event "Brocco op"]
[Site "Brocco"]
[Date "1991.??.??"]
[Round "4"]
[White "Koller, Arthur"]
[Black "Etmans, Maarten D"]
[Result "1/2-1/2"]
[ECO "C02"]
[BlackElo "2240"]
[PlyCount "123"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. e5 b6 4. Bb5+ Bd7 5. Bd3 c5 6. c3 Nc6 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Nge7 11. 0-0 Nf5 12. Bxf5 exf5 13. Nc3 Ne7 14. Rac1 0-0 15. Rfe1 a6 16. a3 b5 17. b4 Be6 18. Ne2 Nc8 19. Rc3 Nb6 20. Rec1 Nc4 21. Qe1 a5 22. Nf4 axb4 23. axb4 Ra4 24. Nd3 Qb6 25. Rb3 Rfa8 26. Nc5 Ra2 27. h3 h6 28. Nd3 g5 29. Nc5 Kh7 30. Nh2 R8a7 31. Nf1 Qd8 32. Ng3 Qa8 33. Nf1 Qg8 34. Rbb1 g4 35. h4 R7a3 36. Ra1 Rxa1 37. Rxa1 Qa8 38. Rb1 Ra2 39. Qc3 Rxf2 40. Kxf2 Qa2+ 41. Kg3 Qxb1 42. Kf2 Qa2+ 43. Kg1 Qb1 44. Kf2 Kg7 45. Nd3 Qa2+ 46. Kg1 Qe2 47. Nf4 Qd1 48. Kf2 Kf8 49. g3 Kg8 50. Kg2 Qb1 51. Kf2 Qa2+ 52. Kg1 Kf8 53. Nd3 Ke7 54. Nf4 Kd7 55. Nd3 Qa7 56. Kg2 Qa2+ 57. Kg1 Qe2 58. Nf4 Qd1 59. Kf2 Qb1 60. Nd3 Qa2+ 61. Kg1 Ke7 62. Nf4 1/2-1/2

[Event "Brocco op"]
[Site "Brocco"]
[Date "1991.??.??"]
[Round "5"]
[White "Koller, Arthur"]
[Black "Isler, Peter"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "63"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Ne5 e6 9. Bg2 c6 10. h4 Bxc2 11. Qxc2 Qxd4 12. Qe2 Bd6 13. g5 Bxe5 14. gxf6 Bg3+ 15. Kf1 Qxf6+ 16. Kg1 Bc7 17. Be3 Bb6 18. Rh3 Bxe3+ 19. Qxe3 Nd7 20. Rf1 Qe5 21. Qf3 Nf6 22. Qf2 0-0 23. h5 h6 24. Bf3 Rfd8 25. Kh1 Rd4 26. Qg2 Rad8 27. Rg1 Nh7 28. Ne4 f5 29. Rg3 Ng5 30. Nxg5 hxg5 31. Rxg5 Rh4+ 32. Qh3 0-1

[Event "Brocco op"]
[Site "Brocco"]
[Date "1991.??.??"]
[Round "7"]
[White "Koller, Arthur"]
[Black "Lumsdon, Andrew"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "96"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. e4 dxe4 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Ne5 e6 9. Bg2 c6 10. h4 Bb4 11. 0-0 Bxc3 12. bxc3 Rf8 13. Ba3 Nbd7 14. Nxg6 hxg6 15. Bxf8 Nxf8 16. Qf3 Qc7 17. Rf2 N8h7 18. Raf1 g5 19. hxg5 Nxg5 20. Qf4 Qxf4 21. Rxf4 0-0-0 22. a4 Nd5 23. Bxd5 Rxd5 24. Kg2 Ra5 25. Rxf7 Nxf7 26. Rxf7 Rg5 27. Kg3 g6 28. Kf4 Ra5 29. Rg7 g5+ 30. Rxg5 Rxa4 31. Re5 Rc4 32. Re3 c5 33. Ke5 cxd4 34. cxd4 Rxc2 35. g5 Rg2 36. Kf6 Kd7 37. Rf3 Rg4 38. g6 Rxd4 39. g7 Rg4 40. Kf7 b5 41. g8Q Rxg8 42. Kxg8 a5 43. Rc3 Kd6 44. Kf7 b4 45. Rc8 a4 46. Kf6 a3 47. Rc4 a2 48. Rc1 b3 0-1

[Event "Brocco op"]
[Site "Brocco"]
[Date "1991.??.??"]
[Round "6"]
[White "Meienhofer, Markus"]
[Black "Koller, Arthur"]
[Result "1/2-1/2"]
[ECO "C43"]
[PlyCount "61"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. 0-0 0-0 7. c4 Bxe5 8. dxe5 Nc6 9. cxd5 Qxd5 10. Qc2 Nb4 11. Bxe4 Nxc2 12. Bxd5 Bf5 13. g4 Bxg4 14. Be4 Nxa1 15. Nc3 f5 16. exf6 Bh3 17. f7+ Rxf7 18. Re1 Rff8 19. Be3 c6 20. Rxa1 a5 21. Rc1 a4 22. Ne2 Rfd8 23. Nf4 Bc8 24. f3 Ra5 25. Kf2 Rb5 26. Nd3 Rh5 27. Bf4 Rh4 28. Bg5 Rxe4 29. Bxd8 Rd4 30. Nc5 Rxd8 31. Nxa4 1/2-1/2

[Event "Brocco op"]
[Site "Brocco"]
[Date "1990.??.??"]
[Round "2"]
[White "Koller, Arthur"]
[Black "Gavrikov, Viktor"]
[Result "0-1"]
[ECO "B15"]
[BlackElo "2580"]
[PlyCount "104"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 Nh6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 f6 9. Bd3 0-0 10. Qe2 Qb6 11. 0-0 fxe5 12. fxe5 Rxf1+ 13. Kxf1 Qxd4 14. e6 Na6 15. Be3 Qf6+ 16. Bf2 Nc7 17. Re1 Nf5 18. Bxf5 Qxf5 19. Kg1 d4 20. Nd1 Rf8 21. Bg3 Qa5 22. Nf2 Nd5 23. Nd3 Qxa2 24. Rf1 Rxf1+ 25. Qxf1 Nf6 26. Qe2 Qd5 27. Nf4 Qe4 28. Kf2 Bh6 29. Qxe4 Nxe4+ 30. Kf3 Nxg3 31. Kxg3 Kg7 32. Nd3 Kf6 33. Kf3 Kxe6 34. Nc5+ Kd5 35. Nxb7 e5 36. Na5 Bd2 37. Nb3 e4+ 38. Ke2 Bb4 39. Nc1 c5 40. Na2 Ba5 41. Nc1 c4 42. b3 Bb4 43. g4 a5 44. h4 Ba3 45. bxc4+ Kxc4 46. Nb3 Bb4 47. h5 a4 48. hxg6 hxg6 49. Nc1 Be7 50. Kd2 Bg5+ 51. Kd1 d3 52. cxd3+ exd3 0-1

[Event "Brocco op"]
[Site "Brocco"]
[Date "1990.??.??"]
[Round "6"]
[White "Ludwig, Silvia"]
[Black "Koller, Arthur"]
[Result "1/2-1/2"]
[ECO "C55"]
[PlyCount "38"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. d3 Bf5 8. Nc3 Bb4 9. Bd2 Bxc3 10. Bxc3 0-0-0 11. 0-0 h5 12. Nd2 g5 13. Qf3 Qd7 14. b4 Nd4 15. Bxd4 exd4 16. Ne4 g4 17. Qf4 Bxe4 18. dxe4 h4 19. Rfe1 Qe6 1/2-1/2

[Event "Mendrisio op"]
[Site "Mendrisio"]
[Date "1989.??.??"]
[Round "1"]
[White "Koller, Arthur"]
[Black "Lagumina, Giulio"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2280"]
[PlyCount "38"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c5 5. d5 exf3 6. Nxf3 g6 7. Bd3 Bg7 8. Bg5 0-0 9. Bxf6 Bxf6 10. Qe2 Bg4 11. h3 Bh4+ 12. Kf1 Bxf3 13. Qxf3 Nd7 14. Qe4 e6 15. g4 Qf6+ 16. Ke2 exd5 17. Nxd5 Qf2+ 18. Kd1 Rae8 19. Ne7+ Rxe7 0-1

[Event "Mendrisio op"]
[Site "Mendrisio"]
[Date "1985.??.??"]
[Round "?"]
[White "Martinoia, Luigi"]
[Black "Koller, Arthur"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "58"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 Nc6 4. c3 d5 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 dxe4 8. Bb5 Bxd2+ 9. Nfxd2 Qxd4 10. Bxc6+ bxc6 11. Qe2 Nf6 12. Nb3 Qb6 13. Nc3 0-0 14. h3 Ba6 15. Qf2 e3 16. Qf3 Rad8 17. g4 Bc4 18. Rh2 Rfe8 19. Rc1 Bxb3 20. axb3 Rd2 21. Rxd2 exd2+ 22. Kxd2 Qxb3 23. Qxc6 Qxb2+ 24. Rc2 Rd8+ 25. Nd5 Qb4+ 26. Kc1 Nxd5 27. Rb2 Qe1+ 28. Kc2 Nb4+ 29. Rxb4 Qxb4 0-1

