[Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "1"] [White "Spassky, Boris V"] [Black "Portisch, Lajos"] [Result "0-1"] [ECO "B25"] [WhiteElo "2615"] [BlackElo "2655"] [PlyCount "75"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Rb1 b6 10. Bd2 Bb7 11. Ne2 Qd7 12. g4 f5 13. gxf5 exf5 14. c4 Nd8 15. Nc3 Ne6 16. Ng5 Nxg5 17. fxg5 Rf7 18. Qf3 Raf8 19. Qh3 Qd8 20. exf5 Bc8 21. Ne4 Bd4+ 22. Kh1 Nxf5 23. Nf6+ Kh8 24. Bc3 Ne3 25. Qh4 Bxc3 26. bxc3 Nxf1 27. Rxf1 Bf5 28. d4 Rxf6 29. gxf6 Qxf6 30. Qxf6+ Rxf6 31. a4 Kg7 32. a5 Bd3 33. Rxf6 Kxf6 34. axb6 axb6 35. Bd5 Kf5 36. dxc5 dxc5 37. Kg1 Kf4 38. Kf2 0-1 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "2"] [White "Portisch, Lajos"] [Black "Spassky, Boris V"] [Result "1/2-1/2"] [ECO "D54"] [WhiteElo "2655"] [BlackElo "2615"] [PlyCount "48"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Rc1 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bxe7 Qxe7 11. Ne2 Bb7 12. Nf4 c5 13. Be2 cxd4 14. Qxd4 Nc6 15. Qxd5 g5 16. Nd3 Nb4 17. Qb3 Nxd3+ 18. Bxd3 Bxg2 19. Rg1 Be4 20. h4 Rac8 21. Rxc8 Rxc8 22. Ke2 Rc5 23. hxg5 hxg5 24. f4 Kf8 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "3"] [White "Spassky, Boris V"] [Black "Portisch, Lajos"] [Result "1/2-1/2"] [ECO "E12"] [WhiteElo "2615"] [BlackElo "2655"] [PlyCount "27"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O 11. O-O d6 12. Nd2 Bb7 13. Bf3 c5 14. Bxb7 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "4"] [White "Portisch, Lajos"] [Black "Spassky, Boris V"] [Result "1/2-1/2"] [ECO "E59"] [WhiteElo "2655"] [BlackElo "2615"] [PlyCount "66"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bb5 a6 12. Be2 e5 13. Bb2 e4 14. Nd2 Bf5 15. a4 Rfd8 16. Qc2 Rac8 17. Rfc1 cxd4 18. cxd4 Nxd4 19. Qxc7 Nxe2+ 20. Kf1 Nxc1 21. Qb6 Nd5 22. Qa5 Nd3 23. Bd4 N3b4 24. Nc4 Nc6 25. Qd2 Be6 26. Na3 Ndb4 27. a5 Nxd4 28. exd4 Nd5 29. Rc1 h6 30. Rc5 b6 31. axb6 Nxb6 32. Rxc8 Rxc8 33. h3 Nd5 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "5"] [White "Spassky, Boris V"] [Black "Portisch, Lajos"] [Result "1/2-1/2"] [ECO "C18"] [WhiteElo "2615"] [BlackElo "2655"] [PlyCount "50"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qh5+ g6 9. Qd1 Nc6 10. Nf3 Bd7 11. dxc5 h6 12. Rb1 Nge7 13. Bb5 Nxe5 14. Qd4 Nxf3+ 15. gxf3 Kf7 16. Bf4 Qc8 17. Bd6 Rh7 18. Rg1 Bxb5 19. Bxe7 Kxe7 20. Rxb5 Kf7 21. Kd2 Rg7 22. Qh4 Qc6 23. Rgb1 Kg8 24. Qb4 Rb8 25. Qa5 Kh7 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "6"] [White "Portisch, Lajos"] [Black "Spassky, Boris V"] [Result "1/2-1/2"] [ECO "E17"] [WhiteElo "2655"] [BlackElo "2615"] [PlyCount "103"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5 exd5 9. d4 Na6 10. Bg5 c6 11. Qa4 Nc7 12. Ne5 b5 13. Qb3 Ne6 14. Nf3 c5 15. Bxf6 Bxf6 16. dxc5 Rb8 17. Rad1 d4 18. e3 Nxc5 19. Qb4 Na6 20. Qb3 d3 21. Nd2 Bxg2 22. Kxg2 Nc5 23. Qb4 Qd6 24. Nb3 Qc6+ 25. e4 Nxb3 26. Qxb3 Bxc3 27. Qxc3 Qc4 28. Rxd3 Qxa2 29. Qa3 Qxa3 30. Rxa3 Rb7 31. Rea1 Re7 32. Kf3 f5 33. Rxa7 fxe4+ 34. Ke2 Rxa7 35. Rxa7 Rc8 36. Rd7 Rc4 37. Kd2 Rb4 38. Kc3 Rc4+ 39. Kb3 g6 40. Rd5 Rc1 41. Rd2 g5 42. Re2 Rh1 43. Kc3 Rxh2 44. Kd4 Kf7 45. Kxe4 Ke6 46. Rc2 b4 47. Rc6+ Kd7 48. Rf6 Ke7 49. Rf5 Ke6 50. Rf8 Ke7 51. Rf3 Ke6 52. Rf8 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "7"] [White "Spassky, Boris V"] [Black "Portisch, Lajos"] [Result "1/2-1/2"] [ECO "B10"] [WhiteElo "2615"] [BlackElo "2655"] [PlyCount "39"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Bc4 Nb6 7. Bb3 Nc6 8. Nf3 Bf5 9. d4 e6 10. O-O Be7 11. d5 exd5 12. Nxd5 Nxd5 13. Bxd5 O-O 14. Be3 Bf6 15. Rc1 Nb4 16. Bxb7 Rb8 17. Qxd8 Bxd8 18. Bc6 Nxc6 19. Rxc6 Rxb2 20. Bxa7 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "8"] [White "Portisch, Lajos"] [Black "Spassky, Boris V"] [Result "1/2-1/2"] [ECO "A50"] [WhiteElo "2655"] [BlackElo "2615"] [PlyCount "80"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. O-O Bg7 6. d4 e6 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bg5 f6 10. Be3 O-O 11. Qd2 Nc6 12. Rfd1 d5 13. Rac1 Ne7 14. cxd5 exd5 15. Bh6 Qd7 16. Bxg7 Kxg7 17. Ne1 Bxg2 18. Nxg2 c6 19. Rc3 Rac8 20. Rdc1 Nf5 21. e3 g5 22. Qc2 Ne7 23. b4 Qh3 24. f3 Rfd8 25. Qf2 Rd6 26. b5 Qe6 27. Qc2 Rd7 28. a4 Rdc7 29. e4 Rd8 30. Re1 Rdc8 31. Ne3 Kf8 32. Rc1 c5 33. exd5 Nxd5 34. Nxd5 Qxd5 35. Qe4 Qd6 36. dxc5 bxc5 37. Rd3 Qe7 38. Qc4 Rd8 39. Rxd8+ Qxd8 40. a5 Re7 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "9"] [White "Spassky, Boris V"] [Black "Portisch, Lajos"] [Result "1-0"] [ECO "B19"] [WhiteElo "2615"] [BlackElo "2655"] [PlyCount "97"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. c4 Qc7 13. O-O-O O-O-O 14. Bc3 c5 15. Kb1 cxd4 16. Nxd4 a6 17. Nb3 Be7 18. Ba5 b6 19. Bc3 Nc5 20. Qf3 Qb7 21. Qxb7+ Kxb7 22. Nxc5+ bxc5 23. f3 Rxd1+ 24. Rxd1 Kc6 25. Rh1 Nd7 26. Kc2 Rg8 27. Ne2 Bd6 28. a3 f5 29. b4 Nb6 30. Kb3 Kd7 31. Rd1 Ke7 32. bxc5 Bxc5 33. Nf4 Rb8 34. Bb4 Nd7 35. Kc3 Rc8 36. Nd3 Bxb4+ 37. axb4 e5 38. Ra1 Rc6 39. Ra5 Kf6 40. g3 Re6 41. Rd5 Nf8 42. Rd8 Ke7 43. Ra8 g6 44. Nc5 Rd6 45. Nxa6 Ne6 46. b5 gxh5 47. c5 Rd5 48. Ra7+ Ke8 49. b6 1-0 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "10"] [White "Portisch, Lajos"] [Black "Spassky, Boris V"] [Result "1/2-1/2"] [ECO "D58"] [WhiteElo "2655"] [BlackElo "2615"] [PlyCount "64"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Rc1 Bb7 9. Be2 dxc4 10. Bxc4 Ne4 11. Bxe7 Qxe7 12. Nxe4 Bxe4 13. O-O Rd8 14. Be2 c5 15. Nd2 Bd5 16. dxc5 bxc5 17. Qc2 Nd7 18. a3 Rab8 19. Bf3 Ne5 20. e4 Bc6 21. Be2 Bb5 22. Bxb5 Rxb5 23. Rfd1 Qf6 24. Rb1 Rdb8 25. b3 Qe7 26. Qc3 Nc6 27. b4 a5 28. bxc5 Qxc5 29. Qxc5 Rxc5 30. Rxb8+ Nxb8 31. Nb3 Rb5 32. Nd4 Rc5 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "11"] [White "Spassky, Boris V"] [Black "Portisch, Lajos"] [Result "1/2-1/2"] [ECO "B26"] [WhiteElo "2615"] [BlackElo "2655"] [PlyCount "33"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O e6 10. Nd1 Ne7 11. Nxd4 cxd4 12. Bh6 O-O 13. Bxg7 Kxg7 14. f4 f6 15. Bh3 e5 16. Nf2 Bxh3 17. Nxh3 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "12"] [White "Portisch, Lajos"] [Black "Spassky, Boris V"] [Result "1/2-1/2"] [ECO "A15"] [WhiteElo "2655"] [BlackElo "2615"] [PlyCount "35"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. e4 Bb7 5. d3 d6 6. g3 g6 7. Bg2 Bg7 8. O-O c5 9. Re1 O-O 10. d4 cxd4 11. Nxd4 Nbd7 12. b3 a6 13. Bb2 Qc7 14. Re2 Rad8 15. Qe1 Qb8 16. Rd1 Nc5 17. f3 Rfe8 18. Kh1 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "13"] [White "Portisch, Lajos"] [Black "Spassky, Boris V"] [Result "1/2-1/2"] [ECO "E12"] [WhiteElo "2655"] [BlackElo "2615"] [PlyCount "29"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6 6. Bg5 Bg7 7. e3 h6 8. Bh4 d6 9. d5 O-O 10. Be2 g5 11. Bg3 Nh5 12. Rb1 Nxg3 13. hxg3 Qe7 14. O-O Nd7 15. Nd4 1/2-1/2 [Event "Candidates qf3"] [Site "Mexico"] [Date "1980.??.??"] [Round "14"] [White "Spassky, Boris V"] [Black "Portisch, Lajos"] [Result "1/2-1/2"] [ECO "B26"] [WhiteElo "2615"] [BlackElo "2655"] [PlyCount "100"] [EventDate "1980.03.??"] [EventType "match"] [EventRounds "14"] [EventCountry "MEX"] [SourceTitle "Candidates"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O e6 10. Nd1 Ne7 11. Nc1 b4 12. a3 a5 13. axb4 axb4 14. c3 bxc3 15. bxc3 Ndc6 16. Bh6 O-O 17. Bxg7 Kxg7 18. Ne3 d5 19. Qc2 d4 20. Nc4 e5 21. Nb3 dxc3 22. Qxc3 Nd4 23. Nxd4 cxd4 24. Qa3 f6 25. Qc5 Rb7 26. f4 exf4 27. Rxf4 Rc7 28. Qb6 g5 29. Rff1 Ng6 30. Ra5 Rcf7 31. Qc5 Be6 32. Nd6 Rd7 33. Ra6 Qe7 34. Rb1 Ne5 35. Qa3 Rfd8 36. Rbb6 Kg6 37. h3 Kg7 38. Bf1 Rf8 39. Qa1 h6 40. Kg2 Rfd8 41. Nb5 Bf7 42. Rxf6 Qb4 43. Rab6 Nxd3 44. Nd6 Qd2+ 45. Kh1 Rxd6 46. Rbxd6 Rxd6 47. Rxd6 Nf2+ 48. Kg1 Nxe4 49. Qxd4+ Qxd4+ 50. Rxd4 Nxg3 1/2-1/2