[Event "Davos Summer op 21st"]
[Site "Davos"]
[Date "2022.08.06"]
[Round "2"]
[White "Borsos, Bogdan"]
[Black "Arocha, Carlos"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2170"]
[BlackElo "1886"]
[PlyCount "59"]
[EventDate "2022.08.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. e5 Ng8 5. Bxe7 Nxe7 6. Bd3 d6 7. Nf3 dxe5 8. dxe5 Nbc6 9. 0-0 h6 10. Nc3 0-0 11. Qe2 Nb4 12. Be4 c6 13. Rad1 Qc7 14. Qc4 Qb6 15. Ne2 a5 16. a4 Qa6 17. Qc5 Qxe2 18. Rfe1 Qa6 19. Qxe7 g6 20. Rd8 Rxd8 21. Qxd8+ Kg7 22. Qf6+ Kg8 23. Bxg6 fxg6 24. Qxg6+ Kf8 25. Re4 Ke7 26. Qg7+ Kd8 27. Rf4 Bd7 28. Rf7 Be8 29. Qf6+ Kc8 30. Qxe6+ 1-0

[Event "Davos Summer op 21st"]
[Site "Davos"]
[Date "2022.08.05"]
[Round "1"]
[White "Arocha, Carlos"]
[Black "Rappazzo, Pierre"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1886"]
[BlackElo "1183"]
[PlyCount "59"]
[EventDate "2022.08.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. 0-0 0-0 10. f3 Nbd7 11. Qe1 Rc8 12. Qf2 Bxb3 13. axb3 Nc5 14. Rfd1 Ne6 15. Rd2 Nh5 16. g3 Ng5 17. Bf1 f5 18. Bg2 fxe4 19. f4 exf4 20. gxf4 Ne6 21. Nd5 Bg5 22. f5 Bxe3 23. Qxe3 Rxf5 24. Bxe4 Rg5+ 25. Kh1 Nf6 26. Bxh7+ Kxh7 27. Qxe6 Rxd5 28. Rxd5 Nxd5 29. Qxd5 Rxc2 30. Qf5+ 1-0

[Event "Zuerich op-B 34th"]
[Site "Zuerich"]
[Date "2010.12.29"]
[Round "6"]
[White "Peter, Raymond"]
[Black "Arocha, Carlos"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1951"]
[BlackElo "1845"]
[PlyCount "65"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. h3 Nf6 6. Nf3 0-0 7. 0-0 h6 8. Be3 Be6 9. b3 a5 10. c4 c6 11. c5 Bc7 12. Nc3 Nbd7 13. Na4 Ne4 14. Re1 Ndf6 15. Ne5 Re8 16. Rc1 Nd7 17. Nxd7 Qxd7 18. Bf1 Bf5 19. Qf3 Bg6 20. Bf4 Re7 21. Nb6 Bxb6 22. cxb6 Rae8 23. Re3 Nd2 24. Qd1 Rxe3 25. fxe3 Ne4 26. Bd3 Qd8 27. Bc7 Qg5 28. Bf4 Qf6 29. Qe1 Ra8 30. a4 Qe7 31. Rc2 Qa3 32. Rxc6 Qxb3 33. Qd1 0-1

[Event "Zuerich op-B 34th"]
[Site "Zuerich"]
[Date "2010.12.27"]
[Round "2"]
[White "Arocha, Carlos"]
[Black "Sprenger, Raphael"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1845"]
[BlackElo "1997"]
[PlyCount "74"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. Qa3 Rb8 16. b3 Bf5 17. Bd3 Rfc8 18. Bxf5 gxf5 19. Rd3 Qc7 20. c4 a5 21. Rd5 Qb7 22. Rc5 a4 23. Rxc8+ Rxc8 24. Kc2 axb3+ 25. Qxb3 Qc7 26. Rb1 Qxh2 27. Bd2 Qxg2 28. Qd3 Bh6 29. Rd1 Bxd2 30. Rxd2 Qg6 31. f4 Qa6 32. Rg2+ Kf8 33. Kc3 Qa5+ 34. Kb2 Rb8+ 35. Kc1 Qe1+ 36. Kc2 Qb1+ 37. Kc3 Qa1+ 0-1

[Event "Zuerich op-B 34th"]
[Site "Zuerich"]
[Date "2010.12.26"]
[Round "1"]
[White "Wisser, Karl"]
[Black "Arocha, Carlos"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1546"]
[BlackElo "1845"]
[PlyCount "30"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. e3 Nc6 6. Nge2 Re8 7. a3 Bf8 8. e4 a5 9. d3 h6 10. 0-0 Ne7 11. f4 d6 12. f5 c6 13. Bd2 Ng4 14. d4 exd4 15. Nb1 Qb6 0-1

[Event "Zuerich op-B 33rd"]
[Site "Zuerich"]
[Date "2009.12.29"]
[Round "6"]
[White "Geiser, Marcellus"]
[Black "Arocha, Carlos"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1679"]
[BlackElo "1817"]
[PlyCount "74"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Bd3 c5 5. dxc5 Bxc5 6. Qf3 Nf6 7. Nb3 dxe4 8. Bxe4 Nxe4 9. Qxe4 Be7 10. Nf3 0-0 11. 0-0 Bd7 12. Ne5 Nc6 13. Nxd7 Qxd7 14. Be3 Rfd8 15. Bb6 Qd5 16. Qxd5 Rxd5 17. c4 Re5 18. Rfe1 Bd8 19. Be3 Nb4 20. Re2 Bg5 21. Kf1 Bxe3 22. Rxe3 Rxe3 23. fxe3 Nc2 24. Rc1 Nxe3+ 25. Kf2 Ng4+ 26. Kg3 Ne5 27. c5 Nc6 28. Rd1 Rd8 29. Rxd8+ Nxd8 30. Na5 e5 31. Kf3 f5 32. Nxb7 Nxb7 33. c6 Nd6 34. b4 Kf7 35. a4 Ke6 36. c7 Kd7 37. b5 axb5 0-1

[Event "Zuerich op-B 33rd"]
[Site "Zuerich"]
[Date "2009.12.28"]
[Round "5"]
[White "Arocha, Carlos"]
[Black "Jehnichen, Kai"]
[Result "0-1"]
[ECO "B63"]
[WhiteElo "1817"]
[BlackElo "1905"]
[PlyCount "46"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Be7 8. Qd2 a6 9. Bc4 Nxd4 10. Qxd4 b5 11. Be2 Bb7 12. Bf3 Rc8 13. Qd3 Qc7 14. a3 0-0 15. 0-0 Rfd8 16. Qe2 h6 17. Bh4 Nxe4 18. Bxe4 Bxh4 19. f5 e5 20. Qg4 Bf6 21. Rad1 d5 22. Bxd5 Bxd5 23. Nxd5 Qc5+ 0-1

[Event "Zuerich op-B 33rd"]
[Site "Zuerich"]
[Date "2009.12.27"]
[Round "2"]
[White "Zanetti, Bruno"]
[Black "Arocha, Carlos"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1978"]
[BlackElo "1817"]
[PlyCount "57"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 g6 2. c4 c5 3. d5 e6 4. e4 exd5 5. exd5 d6 6. Bd3 Bg7 7. Ne2 Nf6 8. 0-0 0-0 9. Ng3 Ng4 10. h3 Ne5 11. Be2 Qh4 12. Qb3 f5 13. f4 Ned7 14. Kh2 Nf6 15. Na3 a6 16. Nc2 Re8 17. Bd2 Ne4 18. Nxe4 Rxe4 19. Bd3 Re7 20. Rae1 Nd7 21. g3 Qf6 22. Bc3 Qf7 23. Rxe7 Qxe7 24. Re1 Qf7 25. Bxg7 Kxg7 26. Re6 Qf8 27. Qc3+ Kh6 28. Ne3 Nb6 29. Nxf5+ 1-0

[Event "Zuerich op-B 32nd"]
[Site "Zuerich"]
[Date "2008.12.28"]
[Round "4"]
[White "Arocha, Carlos"]
[Black "Wettering, Gerd"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1817"]
[BlackElo "1981"]
[PlyCount "92"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Nb6 5. Bb3 Bg4 6. dxe5 Qe7 7. Nc3 dxe5 8. Be3 c6 9. a4 Nf6 10. a5 Nbd7 11. a6 b5 12. Bg5 h6 13. Bxf6 Qxf6 14. Qe2 Bb4 15. 0-0 0-0 16. Na2 Be7 17. Nc1 Qg6 18. Kh1 Qh5 19. Nd3 Kh8 20. Qe3 Bxf3 21. Qxf3 Qxf3 22. gxf3 g5 23. Rfd1 Kg7 24. Rd2 Rad8 25. Rad1 Kf6 26. Ne1 Nc5 27. Ng2 Rxd2 28. Rxd2 Rd8 29. Rxd8 Bxd8 30. Ne3 h5 31. Nf5 Nxb3 32. cxb3 Bb6 33. Kg1 Bd4 34. Kf1 Bxb2 35. Ke2 Ba3 36. h3 Bc5 37. Kf1 Kg6 38. Ke2 h4 39. Kd3 Kf6 40. Ke2 Ke6 41. Ng7+ Kd7 42. Nf5 Bf8 43. Ne3 Kc7 44. Ng4 Bg7 45. Ne3 Kb6 46. Nf5 Bf8 0-1

[Event "Davos op 6th"]
[Site "Davos"]
[Date "2007.08.12"]
[Round "7"]
[White "Arocha, Carlos"]
[Black "Peredy, Ferenc"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1973"]
[BlackElo "2283"]
[PlyCount "48"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. f3 Bf5 7. Bd2 c6 8. Nd5 Qd8 9. Nxf6+ gxf6 10. c3 e6 11. Ne2 h5 12. h4 Bd6 13. Bf4 Bxf4 14. Nxf4 Qd6 15. Qd2 Nd7 16. 0-0-0 Nb6 17. Bd3 Bxd3 18. Nxd3 0-0-0 19. Qf4 Qe7 20. Rde1 Nd5 21. Qe4 f5 22. Qe5 Rhg8 23. Re2 Qf8 24. Nf4 Qh6 0-1

[Event "Davos op 6th"]
[Site "Davos"]
[Date "2007.08.08"]
[Round "3"]
[White "Arocha, Carlos"]
[Black "Milovic, Jovan"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1973"]
[BlackElo "2262"]
[PlyCount "96"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 Nd7 13. Bxg7 Kxg7 14. Rad1 Qb6+ 15. Qd4+ Qxd4+ 16. Rxd4 a5 17. Rfd1 Nc5 18. Nd5 Bxd5 19. cxd5 Rfc8 20. f4 Rc7 21. e5 Nd7 22. exd6 exd6 23. Kf2 Rc2 24. R1d2 Rac8 25. g4 Nb6 26. Ke1 R8c5 27. Rxc2 Rxc2 28. Rd2 Rc5 29. Bf3 Rc4 30. f5 gxf5 31. gxf5 Rf4 32. Rd3 Rxf5 33. b3 Nd7 34. Bg4 Re5+ 35. Kf1 f5 36. Be2 Nc5 37. Rg3+ Kf6 38. Rh3 Re7 39. Rh6+ Ke5 40. Bc4 Ne4 41. Kg2 Nf6 42. Rh3 Rg7+ 43. Kf1 f4 44. Rd3 Ke4 45. h3 Rg3 46. Rxg3 fxg3 47. Kg2 Kf4 48. Kf1 h5 0-1

[Event "Davos op 6th"]
[Site "Davos"]
[Date "2007.08.06"]
[Round "1"]
[White "Arocha, Carlos"]
[Black "Turner, Matthew"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "1973"]
[BlackElo "2483"]
[PlyCount "70"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Nxc6 Nxe3 9. Nxd8 Nxd1 10. Rxd1 Kxd8 11. Na4 d6 12. Be2 Bd7 13. Nc3 Bxc3+ 14. bxc3 Rc8 15. f4 Kc7 16. Kf2 Be6 17. Rd4 Kb8 18. Rhd1 Rc5 19. Ke3 Rhc8 20. g4 Bxc4 21. Bxc4 Rxc4 22. Rxc4 Rxc4 23. Kd3 Ra4 24. Rd2 Kc7 25. h4 d5 26. Re2 dxe4+ 27. Rxe4 Rxe4 28. Kxe4 Kd6 29. Kd4 f5 30. gxf5 gxf5 31. c4 b6 32. h5 h6 33. a3 a6 34. a4 a5 35. Kd3 e5 0-1

[Event "Davos op 5th"]
[Site "Davos"]
[Date "2006.08.10"]
[Round "5"]
[White "Arocha, Carlos"]
[Black "Mollet, Robert"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1991"]
[BlackElo "1563"]
[PlyCount "58"]
[EventDate "2006.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. cxd4 Qc7 9. Ra2 Nbc6 10. Nf3 Bd7 11. Bd3 h5 12. Qh4 0-0-0 13. Bg5 Rde8 14. 0-0 Nf5 15. Bxf5 exf5 16. Rb1 f6 17. exf6 gxf6 18. Bxf6 Re4 19. Qg5 Rg4 20. Qe3 Rhg8 21. Bg5 h4 22. h3 f4 23. Qd3 R4xg5 24. Nxg5 Rxg5 25. c4 Bf5 26. Qb3 Bxb1 27. Qxb1 f3 28. cxd5 Rxg2+ 29. Kf1 Qh2 0-1

[Event "Davos op 5th"]
[Site "Davos"]
[Date "2006.08.08"]
[Round "3"]
[White "Arocha, Carlos"]
[Black "Salzer, Robert"]
[Result "1/2-1/2"]
[ECO "B83"]
[WhiteElo "1991"]
[BlackElo "1728"]
[PlyCount "114"]
[EventDate "2006.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 d6 7. Qd2 e6 8. Be2 Be7 9. 0-0 0-0 10. Rfd1 Qc7 11. f4 b5 12. Nxc6 Qxc6 13. Bf3 b4 14. Ne2 d5 15. exd5 exd5 16. Bxd5 Nxd5 17. Qxd5 Bb7 18. Qxc6 Bxc6 19. c3 Bf6 20. Bc5 Rfe8 21. Rd2 bxc3 22. Nxc3 h6 23. Bd4 Bd8 24. Rc1 Ba5 25. Re2 Bxc3 26. Rxe8+ Rxe8 27. Rxc3 Bb5 28. Rc2 Re4 29. Be5 Rc4 30. Rd2 Rc8 31. Kf2 f6 32. Bc3 Kf7 33. g4 Rc7 34. h4 Rd7 35. Rxd7+ Bxd7 36. f5 g6 37. fxg6+ Kxg6 38. Kg3 f5 39. gxf5+ Bxf5 40. Kf4 Bb1 41. a3 Ba2 42. Ke4 Kh5 43. Bf6 Kg6 44. Bd8 Bb3 45. Kd4 Kh5 46. Kc5 a5 47. Bxa5 Kxh4 48. Kb4 Be6 49. Bd8+ Kg4 50. a4 h5 51. a5 h4 52. a6 h3 53. a7 Bd5 54. Bc7 Kf5 55. Kc5 Ke6 56. b4 Ba8 57. b5 Kd7 1/2-1/2

[Event "Davos op 5th"]
[Site "Davos"]
[Date "2006.08.07"]
[Round "2"]
[White "Bigg, Andrew J"]
[Black "Arocha, Carlos"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2265"]
[BlackElo "1991"]
[PlyCount "101"]
[EventDate "2006.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 Qb6 7. b3 g6 8. e4 d6 9. Nd2 Nbd7 10. Nc4 Qc7 11. a4 Bg7 12. Qd2 0-0 13. Bd3 Nb6 14. Ne2 Nfd7 15. Ne3 Ne5 16. Bc2 a5 17. 0-0 c4 18. Nd4 cxb3 19. Bxb3 Nbc4 20. Nxc4 Nxc4 21. Qe2 Ne5 22. Nb5 Qd8 23. Be3 Bd7 24. f4 Ng4 25. Bd4 Bxd4+ 26. Nxd4 Rc8 27. Rac1 Qb6 28. Qd2 Rc7 29. h3 Nf6 30. Rfe1 Rfc8 31. e5 Ne8 32. Kh2 Ng7 33. e6 fxe6 34. dxe6 Bc6 35. g4 Qc5 36. Re3 Rf8 37. Rf1 Bd5 38. Bc2 Bc4 39. Rf2 Rf6 40. f5 gxf5 41. gxf5 Rc8 42. Rg2 Kh8 43. Rxg7 Kxg7 44. Rg3+ Kf8 45. Qg5 Ke8 46. Qg8+ Rf8 47. Bd1 Bxe6 48. Qxe6 Qc4 49. Bh5+ Kd8 50. Qxc4 Rxc4 51. Ne6+ 1-0

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.07"]
[Round "9"]
[White "Sieber, Wolfgang"]
[Black "Arocha, Carlos"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1866"]
[PlyCount "59"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Qc2 Nc6 7. Be3 Rc8 8. dxc5 Bxc5 9. Bxc5 Qxc5 10. Nbd2 Nh6 11. h3 Nf5 12. Nb3 Nfd4 13. Nfxd4 Nxd4 14. Qd2 Nxb3 15. axb3 Qb6 16. Bd3 a6 17. b4 Bb5 18. 0-0 0-0 19. Kh1 Bxd3 20. Qxd3 Rc4 21. Rae1 Rfc8 22. f4 d4 23. Re4 h6 24. f5 exf5 25. Rxf5 Qc6 26. Rxd4 Rxd4 27. cxd4 Rd8 28. Rf3 Qd5 29. Qf5 Rd7 30. Rd3 1/2-1/2

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.06"]
[Round "8"]
[White "Arocha, Carlos"]
[Black "Smith, Brian"]
[Result "1-0"]
[ECO "B84"]
[BlackElo "1867"]
[PlyCount "45"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 b6 7. Be2 e6 8. f4 Qc7 9. Be3 Nbd7 10. Bf3 Bb7 11. 0-0 Be7 12. Qe2 0-0 13. Kh1 Rac8 14. g4 Rfd8 15. g5 Ne8 16. Qf2 Qb8 17. f5 Rxc3 18. bxc3 e5 19. f6 gxf6 20. Nf5 Bf8 21. gxf6 Kh8 22. Rg1 Nexf6 23. Qg2 1-0

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.03"]
[Round "5"]
[White "Arocha, Carlos"]
[Black "Steiert, Roland"]
[Result "1/2-1/2"]
[ECO "B00"]
[BlackElo "1683"]
[PlyCount "90"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. a4 f6 6. exf6 Nxf6 7. Bf4 Be7 8. Nf3 0-0 9. Be2 Nd7 10. Bg3 Nf6 11. Nbd2 Nh5 12. Be5 Nxe5 13. Nxe5 Nf4 14. 0-0 Bd6 15. Ndf3 c5 16. Re1 Nxe2+ 17. Qxe2 Rc8 18. Rec1 Rf6 19. Nh4 Rh6 20. Nxf5 exf5 21. f4 Qh4 22. g3 Qh3 23. Rc2 Rd8 24. Re1 Re6 25. Qf3 Bf8 26. Rce2 a6 27. a5 cxd4 28. Nd3 Re3 29. Nf2 Qh6 30. cxd4 Rxe2 31. Rxe2 Kh8 32. Re5 Qc6 33. Qc3 Qd7 34. Qb3 g6 35. Qb6 Bg7 36. Re6 Kg8 37. Re1 Kf8 38. Rc1 Qe7 39. Rc7 Rd7 40. Rc8+ Kf7 41. Kg2 Qe6 42. Qc5 Qe7 43. Qc3 Bf6 44. Kf3 h5 45. h4 Bg7 1/2-1/2

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.02"]
[Round "4"]
[White "Keller, Felix"]
[Black "Arocha, Carlos"]
[Result "1-0"]
[ECO "E76"]
[PlyCount "47"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 g6 6. e4 d6 7. f4 Bg7 8. Nf3 0-0 9. bxa6 Qa5 10. Bd3 Nxd5 11. exd5 Bxc3+ 12. bxc3 Qxc3+ 13. Qd2 Qxa1 14. 0-0 Bxa6 15. Bb2 Qxa2 16. Qc3 f6 17. Ra1 Qxd5 18. Rxa6 Qb7 19. Rxa8 Qxa8 20. Qe1 e5 21. fxe5 dxe5 22. Bc4+ Kg7 23. Ng5 Kh6 24. Qh4+ 1-0

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.01"]
[Round "3"]
[White "Arocha, Carlos"]
[Black "Giacomini, Plinio"]
[Result "1/2-1/2"]
[ECO "C55"]
[BlackElo "2057"]
[PlyCount "12"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. 0-0 0-0 6. Re1 Re8 1/2-1/2

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.07.31"]
[Round "2"]
[White "Maeder, Jean Claude"]
[Black "Arocha, Carlos"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2005"]
[PlyCount "36"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 Nc6 5. Nd5 Bc5 6. a3 a5 7. e3 0-0 8. Ne2 Re8 9. 0-0 e4 10. d4 exd3 11. Qxd3 Ne5 12. Qc2 c6 13. Nxf6+ Qxf6 14. Rb1 d6 15. Be4 Nf3+ 16. Kg2 Ng5 17. Bd3 Qf3+ 18. Kg1 Nh3# 0-1

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.07.30"]
[Round "1"]
[White "Arocha, Carlos"]
[Black "Maurer, Fritz"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2122"]
[PlyCount "104"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[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. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. g3 Bg5 13. Bg2 Be6 14. Nc2 Ne7 15. Nce3 Rc8 16. 0-0 Rc5 17. Nxe7+ Bxe7 18. a4 Qb6 19. Qe2 Rfc8 20. a5 Qb8 21. Rfd1 g6 22. h4 h5 23. Rd2 Kg7 24. Nc2 R8c7 25. Nb4 Ra7 26. Qd1 Rc4 27. Bf1 Rxe4 28. Nc6 Qc7 29. Nxa7 Qxa7 30. Bg2 Rc4 31. Bd5 Bxd5 32. Rxd5 Qc7 33. Qe2 Qc6 34. Rad1 Qc7 35. Ra1 Qc6 36. Qd1 Rg4 37. Kh2 Qc4 38. Qd3 Qc7 39. Qe3 Qc4 40. Rad1 Bxh4 41. Rxd6 Re4 42. Qd3 Bxg3+ 43. fxg3 Re2+ 44. Kh1 Qg4 45. Kg1 h4 46. Rd2 Re1+ 47. Kg2 hxg3 48. Rxa6 Qh4 49. Re2 Qh1+ 50. Kxg3 Rg1+ 51. Kf2 Qh2+ 52. Ke3 Qf4# 0-1

[Event "Zuerich op-B 27th"]
[Site "Zuerich"]
[Date "2003.12.26"]
[Round "1"]
[White "Arocha, Carlos"]
[Black "Knobel, Mathias"]
[Result "0-1"]
[ECO "B26"]
[BlackElo "2053"]
[PlyCount "71"]
[EventDate "2003.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nge2 Nge7 7. 0-0 0-0 8. Be3 Nd4 9. Qd2 Nec6 10. Nd1 Nxe2+ 11. Qxe2 d6 12. c3 Rb8 13. Qd2 Re8 14. f4 f5 15. exf5 exf5 16. Bf2 Ne7 17. Ne3 Be6 18. Rfe1 Bf7 19. Re2 b5 20. d4 cxd4 21. cxd4 b4 22. d5 a5 23. Rc1 Nc8 24. Nc4 Rxe2 25. Qxe2 a4 26. Qd3 b3 27. Bd4 Bxd4+ 28. Qxd4 Be8 29. a3 Bb5 30. Qe3 Rb7 31. Qe6+ Kg7 32. Na5 Re7 33. Rxc8 Qb6+ 34. Kh1 Rxe6 35. dxe6 Qxa5 36. Rc1 0-1

[Event "Lugano op"]
[Site "Lugano"]
[Date "2003.10.31"]
[Round "3"]
[White "Arocha, Carlos"]
[Black "Bossi, Alessandro"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1747"]
[BlackElo "2058"]
[PlyCount "64"]
[EventDate "2003.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "SUI"]
[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 Qe7 5. 0-0 d6 6. d4 Bb6 7. Ng5 Nh6 8. Nf3 Ng4 9. d5 Nd8 10. Bb5+ Kf8 11. h3 h5 12. Be2 f6 13. Nh2 Nxh2 14. Kxh2 g5 15. Bxh5 Qh7 16. Bg4 Qxe4 17. Bxc8 Rxc8 18. Qf3 Qg6 19. g4 e4 20. Qf5 Qxf5 21. gxf5 g4 22. Kg3 gxh3 23. Rh1 Nf7 24. Be3 Bxe3 25. fxe3 Ng5 26. Nd2 Kf7 27. Nb3 Rcg8 28. Kf4 Rh4+ 29. Kg3 Nf3+ 30. Kf2 Rg2+ 31. Kf1 Rhg4 32. Rd1 h2 0-1

[Event "Lugano op"]
[Site "Lugano"]
[Date "2003.10.31"]
[Round "5"]
[White "Arocha, Carlos"]
[Black "Ferrari, Guy"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1747"]
[BlackElo "1855"]
[PlyCount "50"]
[EventDate "2003.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. 0-0 d6 8. Be3 Nd4 9. f4 0-0 10. a3 Rb8 11. h3 b5 12. Qd2 a5 13. Bxd4 cxd4 14. Nd1 Qb6 15. b3 Bb7 16. g4 f5 17. Ng3 Rbc8 18. g5 fxe4 19. Bxe4 Bxe4 20. Nxe4 Nf5 21. Re1 d5 22. Nef2 Ne3 23. Nxe3 dxe3 24. Qxe3 Qxe3 25. Rxe3 Bxa1 0-1

[Event "Lugano op"]
[Site "Lugano"]
[Date "2003.10.31"]
[Round "1"]
[White "Arocha, Carlos"]
[Black "Salami, Marco"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1747"]
[BlackElo "2166"]
[PlyCount "38"]
[EventDate "2003.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4 Nc6 5. Nf3 Nxd4 6. Nxd4 cxd4 7. Qxd4 Ne7 8. Nd2 Bd7 9. Bd3 Nc6 10. Qf4 Qc7 11. Nf3 Nb4 12. Qd2 Nxd3+ 13. cxd3 Be7 14. 0-0 0-0 15. d4 Qb6 16. a3 Rac8 17. b4 Ba4 18. Ne1 Bb5 19. Nd3 Qxd4 0-1

[Event "Lugano op"]
[Site "Lugano"]
[Date "2003.10.31"]
[Round "4"]
[White "Castellotti, Eugenio"]
[Black "Arocha, Carlos"]
[Result "0-1"]
[ECO "C18"]
[BlackElo "1747"]
[PlyCount "32"]
[EventDate "2003.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. c4 cxd4 8. Qxd4 Nbc6 9. Qc3 0-0 10. Bg5 Qc7 11. f4 Bd7 12. Qh3 dxc4 13. c3 Ng6 14. Nf3 Qb6 15. Bf6 Qe3+ 16. Kd1 Ncxe5 0-1

[Event "Lugano op"]
[Site "Lugano"]
[Date "2003.10.31"]
[Round "2"]
[White "Steffen, Helmut"]
[Black "Arocha, Carlos"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1557"]
[BlackElo "1747"]
[PlyCount "82"]
[EventDate "2003.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Bg5 h6 10. Be3 Ng4 11. Bd2 f5 12. h3 Nf6 13. exf5 gxf5 14. Nh4 a6 15. f4 e4 16. Be3 Qe8 17. Qe1 Ng6 18. Bd4 Nxh4 19. Qxh4 Qg6 20. Kh2 Bd7 21. Rg1 Kf7 22. Rad1 Rh8 23. g4 Rag8 24. gxf5 Qxf5 25. Bxf6 Bxf6 26. Bh5+ Ke7 27. Bg4 Bxh4 28. Bxf5 Bxf5 29. Ne2 Rxg1 30. Rxg1 Kf7 31. Nd4 Bd7 32. f5 Bf2 33. Rd1 Bxd4 34. Rxd4 Bxf5 35. Rd1 Rg8 36. Rf1 Kf6 37. b4 Ke5 38. a4 e3 39. b5 Be4 40. h4 Rg2+ 41. Kh3 Rc2 0-1

[Event "Lugano op"]
[Site "Lugano"]
[Date "2003.10.31"]
[Round "6"]
[White "Valsecchi, Alessio"]
[Black "Arocha, Carlos"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1552"]
[BlackElo "1747"]
[PlyCount "126"]
[EventDate "2003.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 c5 6. Nge2 Nc6 7. d4 cxd4 8. exd4 d6 9. 0-0 Re8 10. b3 Rb8 11. Bb2 Bf5 12. a3 e5 13. Nd5 Bg4 14. dxe5 Nxe5 15. h3 Bxe2 16. Qxe2 Qd7 17. Qd2 Nxd5 18. Qxd5 Re7 19. Ra2 Rbe8 20. Rd1 Rd8 21. Bxe5 Rxe5 22. Qxb7 Qxb7 23. Bxb7 Rb8 24. Ba6 Rxb3 25. Rxd6 Ra5 26. a4 Bf8 27. Rc6 Re5 28. Rd2 Rb1+ 29. Kg2 Ree1 30. Rc8 Kg7 31. c5 Rg1+ 32. Kf3 Rb3+ 33. Ke2 Rc1 34. c6 Rbc3 35. Bb7 Bb4 36. Rd7 R1c2+ 37. Kf1 Ba5 38. c7 Bb6 39. Ra8 Rxf2+ 40. Ke1 Rc1+ 41. Rd1 Rxc7 42. Rd6 Rxb7 43. Rxb6 Rxb6 44. Kxf2 Ra6 45. g4 Rxa4 46. g5 Ra3 47. h4 a5 48. Kg2 a4 49. Kf2 Ra1 50. Ke2 a3 51. Kd2 a2 52. Kc2 h6 53. Kb2 Rg1 54. gxh6+ Kxh6 55. Kxa2 Rh1 56. Kb2 Rxh4 57. Kc2 f5 58. Kd2 Kg5 59. Ke2 Kg4 60. Kf2 g5 61. Kg2 f4 62. Ra3 Rh6 63. Rf3 Rh2+ 0-1

