[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "1"]
[White "Korchnoi, Viktor L."]
[Black "Petrosian, Tigran Vartanovich"]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "D61"]
[PlyCount "49"]
[EventDate "1977.02.28"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 Nbd7 7. Qc2 h6 8. Bh4
c5 9. Rd1 cxd4 10. Nxd4 Nb6 11. Be2 Bd7 12. cxd5 Nfxd5 13. Bxe7 Qxe7 14. Nxd5
Nxd5 15. O-O Rac8 16. Qb3 Rc7 17. Bf3 Nf6 18. Nb5 Bxb5 19. Qxb5 b6 20. Rd2 Rfc8
21. Rfd1 g6 22. g3 Kg7 23. a3 Rc5 24. Qd3 Rc1 25. Bg2 1/2-1/2

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "2"]
[White "Petrosian, Tigran Vartanovich"]
[Black "Korchnoi, Viktor L."]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "33"]
[EventDate "1977.02.28"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8.
cxd4 Nc6 9. Bc4 b5 10. Be2 Bb4+ 11. Bd2 Qa5 12. Rb1 Bxd2+ 13. Qxd2 a6 14. Qxa5
Nxa5 15. Bd3 Ke7 16. Rc1 Bd7 17. Kd2 1/2-1/2

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "3"]
[White "Korchnoi, Viktor L."]
[Black "Petrosian, Tigran Vartanovich"]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "E05"]
[PlyCount "77"]
[EventDate "1977.02.28"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. d4 dxc4 6. Nc3 O-O 7. Ne5 c5 8. dxc5
Qxd1+ 9. Nxd1 Nbd7 10. Nxc4 Nxc5 11. Nc3 Bd7 12. Na5 Nd5 13. Nxd5 exd5 14. Bxd5
Rac8 15. O-O b6 16. Nc4 Be6 17. Ne3 Rfd8 18. Rd1 h5 19. b3 Bg5 20. f4 Bf6 21.
Rb1 Bh3 22. Bb2 Re8 23. Kf2 Bxb2 24. Rxb2 g6 25. Rbd2 Rc7 26. Nc4 Ne4+ 27. Bxe4
Rxe4 28. Rd8+ Kh7 29. Rb8 Ree7 30. Ne3 Kg7 31. Rdd8 Be6 32. Rg8+ Kf6 33. h3 Rc3
34. Rbe8 Rxe8 35. Rxe8 Rc5 36. g4 Ra5 37. f5 gxf5 38. gxf5 Bxf5 39. Nxf5
1/2-1/2

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "4"]
[White "Petrosian, Tigran Vartanovich"]
[Black "Korchnoi, Viktor L."]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "43"]
[EventDate "1977.02.28"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8.
cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nc6 12. O-O Qd6 13. Rfd1 Rd8 14.
Rac1 Bd7 15. e5 Qe7 16. Qf4 Be8 17. h4 Rac8 18. d5 exd5 19. Rxd5 h6 20. Rcd1
Rxd5 21. Rxd5 Rd8 22. Qe4 1/2-1/2

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "5"]
[White "Korchnoi, Viktor L."]
[Black "Petrosian, Tigran Vartanovich"]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "141"]
[EventDate "1977.02.28"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Nd5 Bc5 6. d3 h6 7. Bg2 d6 8. O-O
O-O 9. e3 a5 10. Nc3 Ba7 11. a3 Nh7 12. Kh1 Bg4 13. Qc2 f5 14. Nb5 Qd7 15. Nxa7
Rxa7 16. b3 Raa8 17. Ng1 Rae8 18. Bd2 Nf6 19. f3 Bh5 20. b4 b6 21. Bh3 Bf7 22.
Ne2 axb4 23. axb4 Ne7 24. b5 Rd8 25. d4 c6 26. bxc6 Qxc6 27. Rac1 Rc8 28. dxe5
dxe5 29. Bb4 Ned5 30. Bxf8 Nxe3 31. Qc3 Nxf1 32. Bb4 Bh5 33. Rxf1 e4 34. Bg2
Qxc4 35. Qxc4+ Rxc4 36. Be7 Nd5 37. Nf4 Nxf4 38. gxf4 e3 39. Re1 e2 40. Kg1
Rxf4 41. Kf2 g5 42. Bd6 Rd4 43. Bc7 b5 44. Rxe2 Bf7 45. Rb2 Bc4 46. Be5 Rd1 47.
f4 Kf7 48. Bf3 Rd8 49. h4 g4 50. Bc6 Kg6 51. Bxb5 Bxb5 52. Rxb5 Rd2+ 53. Ke3
Rh2 54. Rb6+ Kh5 55. Rf6 Rh3+ 56. Kf2 Rh2+ 57. Ke3 Rh3+ 58. Kd4 Rh1 59. Rxf5+
Kxh4 60. Rf6 h5 61. Rg6 Rf1 62. Ke4 Re1+ 63. Kd5 Kh3 64. f5 h4 65. f6 Rf1 66.
Ke6 g3 67. f7 g2 68. Bf6 Re1+ 69. Kd5 Rd1+ 70. Ke4 Re1+ 71. Kd3 1-0

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "6"]
[White "Petrosian, Tigran Vartanovich"]
[Black "Korchnoi, Viktor L."]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "72"]
[EventDate "1977.02.28"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8.
cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nc6 12. O-O b6 13. Rfe1 Bb7 14.
Rad1 Ne7 15. d5 exd5 16. exd5 Nf5 17. Ne5 Nd6 18. Nc6 Bxc6 19. dxc6 Nxc4 20.
Qf4 Nd6 21. Rxd6 Qc7 22. g3 h6 23. Qe5 Rac8 24. Qd5 Kh7 25. Re4 Kg8 26. Kg2 a6
27. h4 b5 28. g4 Kh7 29. Re2 Kg8 30. g5 h5 31. Rd2 Rfe8 32. Qf3 g6 33. R2d5 Rf8
34. Rf6 Qe7 35. Rd7 Qe8 36. Rxg6+ Kh7 1-0

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "7"]
[White "Korchnoi, Viktor L."]
[Black "Petrosian, Tigran Vartanovich"]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "E05"]
[PlyCount "43"]
[EventDate "1977.02.28"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Ne5 Nc6 8.
Bxc6 bxc6 9. Nc3 c5 10. dxc5 Bxc5 11. Qa4 Nd5 12. Ne4 Nb6 13. Qc2 Be7 14. Nxc4
Nxc4 15. Qxc4 Qd5 16. Qc2 Bb7 17. f3 Qd4+ 18. Kg2 Bxe4 19. Qxe4 Qxe4 20. fxe4
Rfb8 21. b3 Bd6 22. Bf4 1/2-1/2

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "8"]
[White "Petrosian, Tigran Vartanovich"]
[Black "Korchnoi, Viktor L."]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "0-1"]
[ECO "E15"]
[PlyCount "114"]
[EventDate "1977.02.28"]

1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 d5 8. cxd5
exd5 9. Bg2 O-O 10. O-O Nbd7 11. Ne5 Bb7 12. Bf4 Re8 13. Rc1 Nf8 14. Bg5 Ne6
15. Bxf6 Bxf6 16. e3 c6 17. Nd3 Qd6 18. Re1 Rad8 19. b4 Re7 20. a4 Rde8 21. Qb3
Rd8 22. Red1 Red7 23. Ne2 g6 24. Nef4 Rc7 25. Rd2 Bg5 26. Nxe6 fxe6 27. Rdc2
Rdc8 28. Bh3 Kg7 29. Nf4 Re8 30. Rc3 Bc8 31. Nd3 Bd7 32. Ne5 Rec8 33. e4 Bxc1
34. Rxc1 dxe4 35. Nxd7 Qxd7 36. Bxe6 Qxd4 37. Rc4 Qa1+ 38. Kg2 Rf8 39. Rxe4 Re7
40. Bd5 Rxe4 41. Bxe4 Qf6 42. Qc2 Rc8 43. a5 bxa5 44. bxa5 c5 45. Qc4 Re8 46.
Bd5 Qd4 47. Qb3 Re2 48. Qb7+ Kh6 49. Qf7 Rxf2+ 50. Qxf2 Qxd5+ 51. Qf3 Qxf3+ 52.
Kxf3 Kg5 53. Ke4 Kg4 54. Kd5 Kh3 55. g4 Kxh2 56. Kxc5 Kg3 57. g5 Kg4 0-1

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "9"]
[White "Korchnoi, Viktor L."]
[Black "Petrosian, Tigran Vartanovich"]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "E05"]
[PlyCount "85"]
[EventDate "1977.02.28"]

1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. d4 O-O 6. Nc3 dxc4 7. Ne5 c5 8. dxc5
Qxd1+ 9. Nxd1 Bxc5 10. Nxc4 Nc6 11. Be3 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 Bd7 14. Nc4
Rfd8 15. Nc3 Kf8 16. Nd6 Rab8 17. O-O-O Ne8 18. Nde4 Ke7 19. Nc5 Nf6 20. Nxd7
Rxd7 21. Rxd7+ Nxd7 22. Rd1 Rc8 23. b3 Ndb8 24. Kb2 Rd8 25. Rxd8 Kxd8 26. Nb5
Kd7 27. Kc3 a6 28. Nd4 b6 29. Nf3 h6 30. Nd2 Kc7 31. f4 Nd7 32. Bf3 b5 33. b4
Nb6 34. a3 Na4+ 35. Kd3 Ne7 36. Bh5 f6 37. Bg4 Kd7 38. Bh3 Nc8 39. e4 Ne7 40.
Nf3 Nc6 41. e5 Nb2+ 42. Kc3 Na4+ 43. Kd3 1/2-1/2

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "10"]
[White "Petrosian, Tigran Vartanovich"]
[Black "Korchnoi, Viktor L."]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "29"]
[EventDate "1977.02.28"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2
Nxc3 9. Qxc3 Be4 10. Bf4 Nc6 11. Rfd1 d5 12. Ne5 Nxe5 13. Bxe5 Bxg2 14. Kxg2 c6
15. Rac1 1/2-1/2

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "11"]
[White "Korchnoi, Viktor L."]
[Black "Petrosian, Tigran Vartanovich"]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "E17"]
[PlyCount "53"]
[EventDate "1977.02.28"]

1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. d4 O-O 6. Nbd2 b6 7. O-O Bb7 8. b3
Nbd7 9. Bb2 c5 10. Rc1 Rc8 11. e3 dxc4 12. Nxc4 Rc7 13. Qe2 cxd4 14. Nxd4 Bxg2
15. Kxg2 a6 16. e4 Qb8 17. Nd2 Rxc1 18. Rxc1 Qb7 19. f3 Nc5 20. Nc4 Rc8 21. Ne5
Bf8 22. Qd2 a5 23. a3 Ra8 24. Nec6 Nfd7 25. e5 Nb8 26. Nxb8 Rxb8 27. b4 1/2-1/2

[Event "Torneo dei Candidati Quarti di Finale"]
[Site "Castelvecchio Pascoli - Barga ITA"]
[Date "1977.02.??"]
[Round "12"]
[White "Petrosian, Tigran Vartanovich"]
[Black "Korchnoi, Viktor L."]
[WhiteElo "2645"]
[BlackElo "2645"]
[Result "1/2-1/2"]
[ECO "E14"]
[PlyCount "81"]
[EventDate "1977.02.28"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Bb4+ 6. Nbd2 c5 7. dxc5 Bxc5 8.
O-O Nc6 9. a3 Qc7 10. b3 Ne5 11. Nxe5 Qxe5 12. Ra2 Bd6 13. g3 Qc5 14. e4 h5 15.
b4 Qc7 16. Re1 h4 17. Nf1 hxg3 18. hxg3 a5 19. Rb2 axb4 20. axb4 Be5 21. Rc2
Ra1 22. Qe2 Qb8 23. Kg2 Qa8 24. Nd2 Ra4 25. b5 Kf8 26. Nf3 Bd6 27. Ng5 Bc5 28.
Bb2 Ke7 29. Rcc1 Ba3 30. Ra1 Bxb2 31. Qxb2 Rxa1 32. Rxa1 Qb8 33. Qd4 e5 34. Qc3
Rh5 35. Qb4+ d6 36. Qd2 g6 37. Be2 Nxe4 38. Nxe4 Bxe4+ 39. f3 Bb7 40. g4 Rh7
41. Qg5+ 1/2-1/2

