[Event "Valladolid CC Autumn 05th"]
[Site "Valladolid"]
[Date "1981.12.11"]
[Round "8"]
[White "Gomez Castilla, Francisco"]
[Black "Prieto Diego, Ceferino"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "66"]
[EventDate "1981.11.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. a3 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Bxd4 a5 9. Bd3 Nxd4 10. Nxd4 Nxe5 11. Be2 Bd7 12. 0-0 Bc5 13. Kh1 Qb6 14. Ncb5 Nc6 15. c3 e5 16. Nf3 e4 17. Nfd4 0-0 18. Rb1 Nxd4 19. cxd4 Bxb5 20. dxc5 Qxc5 21. Bxb5 Qxb5 22. a4 Qd7 23. Qd4 Rfc8 24. Rfd1 Rc2 25. Kg1 Qf5 26. Rbc1 Rac8 27. Rxc2 Rxc2 28. Qb6 g6 29. Rf1 Qe5 30. b3 Qc7 31. Qb5 d4 32. Qe8+ Kg7 33. Qxe4 Qd7 1/2-1/2

[Event "Valladolid CC Autumn 05th"]
[Site "Valladolid"]
[Date "1981.12.04"]
[Round "7"]
[White "Prieto Diego, Ceferino"]
[Black "Montes de Santiago, Fernando"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "163"]
[EventDate "1981.11.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. a4 e6 4. e3 b6 5. Bxc4 Ba6 6. b3 Nf6 7. Nc3 Bxc4 8. bxc4 Bb4 9. Bd2 0-0 10. Nf3 Nc6 11. 0-0 Re8 12. Rb1 a5 13. Nb5 Bxd2 14. Qxd2 Na7 15. Rfc1 Nxb5 16. cxb5 Re7 17. Ne5 Qd5 18. Rc3 Ne4 19. Qc2 Nxc3 20. Qxc3 Rc8 21. Nc6 Rd7 22. Qa3 Re8 23. Ne5 Qd6 24. Qb3 Rdd8 25. f4 f6 26. Nc6 Rd7 27. g4 Kh8 28. h4 g6 29. g5 fxg5 30. hxg5 Qd5 31. Qc2 Qf5 32. Qc1 Qg4+ 33. Kf2 Qh4+ 34. Kf3 Rf7 35. Ne5 Rg7 36. Qg1 Qh3+ 37. Ke4 Rd8 38. Rb2 Rd5 39. Ng4 h5 40. gxh6 Qh5 41. hxg7+ Kxg7 42. Qh2 Qxg4 43. Rg2 Qf5+ 44. Kf3 Qh5+ 45. Qxh5 Rxh5 46. Rc2 Rh7 47. Rxc7+ Kh8 48. Rxh7+ Kxh7 49. Ke4 Kg7 50. Ke5 Kf7 51. e4 Ke7 52. d5 exd5 53. Kxd5 Kd7 54. e5 Kc7 55. e6 Kd8 56. Kc6 Ke7 57. Kxb6 Kxe6 58. Kc6 Kf5 59. b6 Kxf4 60. b7 g5 61. b8Q+ Ke4 62. Qb5 g4 63. Qd5+ Kf4 64. Kb5 g3 65. Qg2 Kg4 66. Kxa5 Kh4 67. Kb5 Kg4 68. Qxg3+ Kxg3 69. a5 Kf3 70. a6 Ke4 71. a7 Kd5 72. a8Q+ Ke5 73. Qa4 Kd5 74. Qc4+ Kd6 75. Qc5+ Ke6 76. Kc6 Kf6 77. Kd6 Kf7 78. Qe5 Kg6 79. Ke6 Kh7 80. Qg5 Kh8 81. Kf6 Kh7 82. Qg7# 1-0

[Event "Valladolid CC Autumn 05th"]
[Site "Valladolid"]
[Date "1981.12.01"]
[Round "6"]
[White "Centeno Rodriguez, Alfredo"]
[Black "Prieto Diego, Ceferino"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "63"]
[EventDate "1981.11.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 Bb4 4. a3 Ba5 5. b4 Bb6 6. d4 a5 7. c3 Ne7 8. Bd3 axb4 9. cxb4 Nbc6 10. Bb2 0-0 11. 0-0 Bd7 12. Ng5 Ng6 13. Nf3 Nce7 14. Nbd2 Ba7 15. Qc2 b6 16. Nb3 f6 17. Rac1 c6 18. a4 Qc7 19. b5 Rac8 20. Ba3 Nf5 21. Bxf8 Nxf8 22. Bxf5 exf5 23. exf6 gxf6 24. Rfe1 Ne6 25. bxc6 Qxc6 26. Qxc6 Rxc6 27. Rxc6 Bxc6 28. Rxe6 Bxa4 29. Nbd2 Kf7 30. Rd6 Ke7 31. Rc6 Bxc6 32. Nh4 1/2-1/2

[Event "Valladolid CC Autumn 05th"]
[Site "Valladolid"]
[Date "1981.11.27"]
[Round "5"]
[White "Prieto Diego, Ceferino"]
[Black "Remolina Lopez, Jose Gerardo"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "68"]
[EventDate "1981.11.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 a6 4. a4 Nf6 5. e3 e6 6. Bxc4 Bb4 7. Bd2 0-0 8. Nf3 Nbd7 9. a5 c5 10. 0-0 b5 11. axb6 Nxb6 12. Ne5 cxd4 13. Nc6 Qc7 14. Nxb4 dxc3 15. Bxc3 Qxc4 16. Rc1 Bb7 17. Bxf6 Qxb4 18. Bd4 Nd5 19. Bc5 Qe4 20. Bxf8 Nxe3 21. Qf3 Nxf1 22. Qxe4 Bxe4 23. Bxg7 Bd3 24. Bc3 a5 25. Rxf1 Bxf1 26. Kxf1 e5 27. Ke2 e4 28. Bb4 Rb8 29. Ba3 Rb3 30. f3 h5 31. g3 f5 32. Kf2 Kf7 33. h3 Ke6 34. Ke2 e3 0-1

[Event "Valladolid CC Autumn 05th"]
[Site "Valladolid"]
[Date "1981.11.24"]
[Round "4"]
[White "Barcena Rodriguez, Jose Antonio"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D32"]
[PlyCount "65"]
[EventDate "1981.11.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 cxd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. e3 Bb4 9. Bd2 Nf6 10. a3 Ba5 11. Rc1 0-0 12. Be2 Rb8 13. Qc2 Bxc3 14. Bxc3 Ne4 15. Bd4 Qa5+ 16. Bc3 Qd8 17. 0-0 Re8 18. Rfd1 Qh4 19. Be1 Re6 20. f3 Qg5 21. fxe4 Qxe3+ 22. Bf2 Qg5 23. exd5 Rd6 24. dxc6 Bh3 25. Bg3 Rxd1+ 26. Rxd1 Qe3+ 27. Bf2 Qg5 28. Bf3 Bf5 29. c7 Rc8 30. Rd8+ Rxd8 31. cxd8Q+ Qxd8 32. Qxf5 g6 33. Qf4 1-0

[Event "Valladolid CC Autumn 05th"]
[Site "Valladolid"]
[Date "1981.11.17"]
[Round "2"]
[White "Gomez Velasco, Julio"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "67"]
[EventDate "1981.11.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. d3 Bb4+ 4. Bd2 Nc6 5. c3 Ba5 6. d4 Nf6 7. Bb5 a6 8. Bxc6+ bxc6 9. Bg5 0-0 10. e5 h6 11. Bxh6 Ne4 12. Be3 Qe7 13. 0-0 c5 14. dxc5 Nxc5 15. Bxc5 Qxc5 16. b4 Bxb4 17. cxb4 Qxb4 18. Qd3 f5 19. Nbd2 c5 20. Ng5 Qh4 21. Ngf3 Qh6 22. Qc2 c4 23. Nd4 Bd7 24. Rab1 Kf7 25. N2f3 Rh8 26. Rb7 Ke8 27. Rfb1 Rd8 28. g3 g5 29. Rb8 g4 30. Rxd8+ Kxd8 31. Rb8+ Ke7 32. Rxh8 Qxh8 33. Nh4 Qxe5 34. Ng6+ 1-0

[Event "Valladolid CC Autumn 05th"]
[Site "Valladolid"]
[Date "1981.11.13"]
[Round "1"]
[White "Prieto Diego, Ceferino"]
[Black "Velasco Valentin, Leopoldo"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "64"]
[EventDate "1981.11.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. Qc2 Ne4 8. Rc1 Bb4 9. a3 Bxc3+ 10. bxc3 Nxg5 11. Nxg5 dxc4 12. Nxh7 Qh5 13. Bxc4 Qxh7 14. Qxh7 Rxh7 15. Kd2 Nf6 16. f3 Bd7 17. g4 Rh3 18. Be2 Rd8 19. Rcg1 c5 20. Rg3 Rh4 21. Bf1 cxd4 22. cxd4 Bc6 23. Bg2 e5 24. Bh3 exd4 25. e4 g5 26. Bf1 Bxe4 27. Bb5+ Bc6 28. Bxc6+ bxc6 29. Re1+ Kf8 30. h3 Nd5 31. Rc1 Rh6 32. Rc5 f6 0-1

[Event "Valladolid CC Autumn 04th"]
[Site "Valladolid"]
[Date "1980.12.12"]
[Round "8"]
[White "Garcia Maldonado, Jose Luis"]
[Black "Prieto Diego, Ceferino"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "80"]
[EventDate "1980.11.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. e3 c5 4. c3 Nd7 5. Be2 Ngf6 6. Nbd2 Bd6 7. Ng5 Qc7 8. Bh5 g6 9. Bf3 b6 10. g3 Ba6 11. Be2 Bb7 12. 0-0 e5 13. Bf3 e4 14. Bg2 h6 15. Nh3 0-0-0 16. f3 Nh5 17. f4 f5 18. b3 Nhf6 19. Nf2 Rdg8 20. a4 a5 21. Ba3 Ba6 22. Re1 g5 23. Bh3 g4 24. Bf1 Bxf1 25. Nxf1 h5 26. Qe2 h4 27. dxc5 Nxc5 28. Reb1 Nb7 29. Bb2 hxg3 30. Nxg3 Qh7 31. Nfh1 Nh5 32. c4 Ng7 33. cxd5 Nc5 34. Rc1 Kb7 35. Qc2 Rc8 36. Bxg7 Qxg7 37. Nxf5 Qg6 38. Nhg3 Nd3 39. Qc6+ Rxc6 40. Rxc6 Ka6 1/2-1/2

[Event "Valladolid CC Autumn 04th"]
[Site "Valladolid"]
[Date "1980.12.09"]
[Round "7"]
[White "Prieto Diego, Ceferino"]
[Black "Barcena Rodriguez, Jose Antonio"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "47"]
[EventDate "1980.11.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. Qc2 Bb4 8. a3 Bxc3+ 9. bxc3 Ne4 10. Bd3 Nxg5 11. Nxg5 dxc4 12. Bxc4 Qxg5 13. 0-0 Qe7 14. f4 0-0 15. Rf3 c5 16. a4 cxd4 17. Rh3 h6 18. exd4 Nb6 19. Bb3 e5 20. Re3 Qc7 21. fxe5 Nc4 22. Rg3 b6 23. Qd3 Na5 24. Qg6 1-0

[Event "Valladolid CC Autumn 04th"]
[Site "Valladolid"]
[Date "1980.12.02"]
[Round "5"]
[White "Remolina Lopez, Jose Gerardo"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "39"]
[EventDate "1980.11.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Qb6 6. Be2 a5 7. 0-0 cxd4 8. cxd4 Nxd4 9. Nxd4 Bc5 10. Be3 Ne7 11. Nc3 0-0 12. Na4 Qc7 13. Bg5 h6 14. Bh4 Ba7 15. Rc1 Qd7 16. Nc3 Nf5 17. Bb5 Qc7 18. Nxd5 Qb8 19. Ne7+ Nxe7 20. Bxe7 1-0

[Event "Valladolid CC Autumn 04th"]
[Site "Valladolid"]
[Date "1980.11.28"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "Velasco Palmero, Rosa"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "44"]
[EventDate "1980.11.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bg5 e6 4. c4 b6 5. cxd5 exd5 6. Nc3 Bb4 7. Rc1 0-0 8. a3 Be7 9. e3 Bg4 10. h3 Bh5 11. Be2 Nc6 12. 0-0 h6 13. Bf4 Nh7 14. Qb3 Nf6 15. Nd2 Na5 16. Qd1 c5 17. Nb5 Bxe2 18. Qxe2 Rc8 19. dxc5 bxc5 20. Nf3 d4 21. Rfd1 Qb6 22. exd4 cxd4 0-1

[Event "Valladolid CC Autumn 04th"]
[Site "Valladolid"]
[Date "1980.11.25"]
[Round "3"]
[White "Colino Labrador, Alfonso"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "69"]
[EventDate "1980.11.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. e3 Nc6 5. Be2 Nf6 6. Nc3 cxd4 7. exd4 Bb4 8. 0-0 0-0 9. a3 Ba5 10. b4 Bc7 11. b5 Na5 12. c5 b6 13. c6 Qd6 14. a4 Qd8 15. Bg5 h6 16. Bh4 Re8 17. Ne5 g5 18. Bg3 Ne4 19. Nxe4 dxe4 20. Bh5 Re7 21. Re1 Qd5 22. Bxf7+ Rxf7 23. Nxf7 Bxg3 24. Nxh6+ Kg7 25. fxg3 Kxh6 26. Rf1 Kg6 27. Rf8 Kg7 28. Qf1 Qxd4+ 29. Kh1 Qxa1 30. Qxa1+ Kxf8 31. Qf6+ Ke8 32. Qxg5 a6 33. h4 axb5 34. Qxb5 Rb8 35. c7+ 1-0

[Event "Valladolid CC Autumn 04th"]
[Site "Valladolid"]
[Date "1980.11.18"]
[Round "1"]
[White "Velasco Valentin, Leopoldo"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "59"]
[EventDate "1980.11.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. d4 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. exd5 cxd4 7. dxe6 Qe7 8. Nxd4 h6 9. 0-0 Bxe6 10. Nxc6 Qc7 11. Nb4+ Bd7 12. Re1+ Be7 13. Nbd5 Qd8 14. Nxe7 Nxe7 15. Bxd7+ Qxd7 16. Nd5 Rd8 17. c4 0-0 18. Rxe7 Qc6 19. Qb3 Rd6 20. Rxb7 Re8 21. Be3 Kh7 22. Rc7 Qa8 23. Rxf7 Qd8 24. Rxa7 Ree6 25. Qc2+ Rg6 26. Ne7 Qe8 27. Nxg6 Rxg6 28. Qf5 Qc6 29. Bxh6 Kxh6 30. Qh3+ 1-0

[Event "Valladolid CC Social 09th"]
[Site "Valladolid"]
[Date "1980.10.28"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "Arnaiz Esteban, Jose Felix"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "56"]
[EventDate "1980.10.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 Nf6 4. Bg5 e6 5. Rc1 Bb4 6. a3 Bxc3+ 7. Rxc3 Qd6 8. Bxf6 gxf6 9. cxd5 Qxd5 10. Nf3 b6 11. e3 Bb7 12. Bc4 Qh5 13. b4 b5 14. Be2 Qd5 15. Rc5 Qa2 16. Qc1 a5 17. 0-0 Qxe2 18. Rxc6 0-0 19. Rd1 Bxc6 20. Rd2 Qc4 21. Rc2 Qb3 22. Nd2 Qd3 23. Rxc6 axb4 24. Qd1 Rxa3 25. Qg4+ Kh8 26. Qd1 Rc3 27. Ra6 Rc2 28. Qa1 Qxd2 0-1

[Event "Valladolid CC Social 09th"]
[Site "Valladolid"]
[Date "1980.10.21"]
[Round "4"]
[White "Garcia Alonso, Juan Carlos"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "41"]
[EventDate "1980.10.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. e4 b6 6. e5 Ng8 7. Nge2 Bb7 8. d4 Rb8 9. 0-0 Nge7 10. Nb5 Nf5 11. Be3 a6 12. Nbc3 cxd4 13. Nxd4 Nxe5 14. Nxf5 exf5 15. Bf4 Bxg2 16. Kxg2 d6 17. Re1 Be7 18. Bxe5 dxe5 19. Rxe5 Qxd1 20. Rxd1 g6 21. Nd5 1-0

[Event "Valladolid CC Social 09th"]
[Site "Valladolid"]
[Date "1980.10.18"]
[Round "3"]
[White "Prieto Diego, Ceferino"]
[Black "Alonso Centeno, Juan Jose"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "42"]
[EventDate "1980.10.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Bd2 dxc4 5. e3 Nf6 6. Bxc4 0-0 7. Rc1 Nc6 8. Nge2 b6 9. a3 Bd6 10. d5 exd5 11. Nxd5 Ng4 12. h3 Qh4 13. g3 Qh5 14. Qc2 Nce5 15. Nef4 Qh6 16. Ke2 Nf6 17. Bb4 Nxc4 18. Bxd6 Nxd6 19. Qxc7 Ba6+ 20. Kf3 Nxd5 21. Nxd5 Qh5+ 0-1

[Event "Valladolid CC Social 09th"]
[Site "Valladolid"]
[Date "1980.10.14"]
[Round "2"]
[White "Velasco Palmero, Rosa"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "46"]
[EventDate "1980.10.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. e3 d5 4. f4 c5 5. Bb5+ Nc6 6. Nf3 Bd7 7. d3 Ne7 8. Bxd7+ Qxd7 9. Ne5 Qc7 10. Nd2 Nf5 11. Qe2 h5 12. g4 hxg4 13. Nxg4 Nxg4 14. Qxg4 Nxe3 15. Qf3 Nxc2+ 16. Kd1 Nxa1 17. Bxa1 Rh4 18. Be5 Qa5 19. a4 g6 20. h3 b5 21. Ke2 bxa4 22. Ra1 Bh6 23. Rxa4 Qb5 0-1

[Event "Valladolid CC Social 09th"]
[Site "Valladolid"]
[Date "1980.10.11"]
[Round "1"]
[White "Prieto Diego, Ceferino"]
[Black "Amigo Roman, Pedro"]
[Result "0-1"]
[ECO "E20"]
[PlyCount "54"]
[EventDate "1980.10.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. Rc1 d5 6. cxd5 exd5 7. g3 Nc6 8. Nf3 Bg4 9. a3 Bxf3 10. exf3 Re8+ 11. Be2 Bf8 12. 0-0 Nxd4 13. Bf4 Nxe2+ 14. Nxe2 c6 15. Nd4 Bd6 16. Bg5 h6 17. Bxf6 Qxf6 18. f4 Re4 19. Nxc6 bxc6 20. Rxc6 Rd4 21. Qc2 Qe7 22. Rc1 Rd8 23. Qf5 g6 24. Qh3 Kg7 25. Rc8 Rxc8 26. Rxc8 Qe6 27. Kg2 Qe4+ 0-1

[Event "Valladolid CC Regalado 04th"]
[Site "Valladolid"]
[Date "1980.06.07"]
[Round "8"]
[White "Rodriguez Lorenzo, Miguel"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "89"]
[EventDate "1980.05.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. e5 b6 4. Bc4 d5 5. Bd3 c5 6. c3 Nc6 7. Bb5 Bb7 8. Ne2 a6 9. Bd3 Qd7 10. 0-0 f6 11. f4 Nh6 12. h3 0-0 13. Qe1 Nf5 14. Bxf5 Qxf5 15. Be3 fxe5 16. fxe5 Qxf1+ 17. Qxf1 Rxf1+ 18. Kxf1 Rf8+ 19. Kg1 cxd4 20. cxd4 Nb4 21. Na3 Rc8 22. Nc3 e6 23. Rd1 Bf8 24. Rd2 Nc6 25. Nc2 Na5 26. Rf2 Nc4 27. Bc1 b5 28. a3 Kg7 29. g4 Be7 30. Kf1 Nxa3 31. Nxa3 Bxa3 32. Kg2 b4 33. Ne2 Bxb2 34. Bxb2 Rc2 35. Nf4 Rxf2+ 36. Kxf2 a5 37. Nd3 Bc6 38. Nc5 Kf7 39. Ke3 a4 40. Bc1 Bb5 41. Kd2 a3 42. Kc2 Bc4 43. h4 Ke7 44. Bd2 a2 45. Kb2 1-0

[Event "Valladolid CC Regalado 04th"]
[Site "Valladolid"]
[Date "1980.06.03"]
[Round "7"]
[White "Prieto Diego, Ceferino"]
[Black "Colino Labrador, Alfonso"]
[Result "1/2-1/2"]
[ECO "D06"]
[PlyCount "98"]
[EventDate "1980.05.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. c5 g6 4. Bg5 Bg7 5. f3 0-0 6. Nc3 c6 7. Rc1 b6 8. b4 bxc5 9. bxc5 Ba6 10. Nh3 Bc4 11. a4 Na6 12. e3 Bxf1 13. Kxf1 Nb4 14. Qd2 Rb8 15. Qe2 Qa5 16. Kf2 Rb7 17. Bf4 Nh5 18. Rhe1 Nxf4 19. Nxf4 Rfb8 20. Kf1 Na6 21. Qd3 Rb3 22. Nfe2 e5 23. Qd1 exd4 24. exd4 Rb2 25. Rb1 Bh6 26. Rxb2 Rxb2 27. Nb1 Rd2 28. Qb3 Be3 29. Qxe3 Rb2 30. Nec3 Nc7 31. Qe7 Qa6+ 32. Kg1 Rb7 33. Qd8+ Kg7 34. g4 Ne6 35. Qd6 Qd3 36. Qe5+ Kg8 37. Kg2 Rb2+ 38. Kg3 Qxd4 39. Qxd4 Nxd4 40. Kf4 Ne6+ 41. Ke5 d4 42. Ne4 d3 43. Kf6 Kf8 44. Nd6 Rf2 45. Re3 d2 46. Rd3 Nxc5 47. Rxd2 Rxf3+ 48. Ke5 f6+ 49. Kd4 Nb3+ 1/2-1/2

[Event "Valladolid CC Regalado 04th"]
[Site "Valladolid"]
[Date "1980.05.31"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "De Rojas Herranz, Oscar Alberto"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "39"]
[EventDate "1980.05.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e5 3. dxe5 d4 4. Nb5 Nc6 5. Nf3 Bc5 6. Bf4 a6 7. Na3 Bb4+ 8. Bd2 Qe7 9. Bxb4 Qxb4+ 10. Nd2 Qxb2 11. Nac4 Qb4 12. a3 Qc5 13. f4 Nh6 14. Nb2 Bf5 15. Nf3 Qd5 16. Rc1 Ng4 17. c4 dxc3 18. Nd2 cxd2+ 19. Qxd2 Qxd2+ 20. Kxd2 0-1

[Event "Valladolid CC Regalado 04th"]
[Site "Valladolid"]
[Date "1980.05.27"]
[Round "5"]
[White "Velasco Palmero, Rosa"]
[Black "Prieto Diego, Ceferino"]
[Result "1/2-1/2"]
[ECO "C08"]
[PlyCount "8"]
[EventDate "1980.05.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nd2 c5 1/2-1/2

[Event "Valladolid CC Regalado 04th"]
[Site "Valladolid"]
[Date "1980.05.24"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "Garcia Medina, Berti"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "104"]
[EventDate "1980.05.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Qa4+ Nc6 4. Qxc4 Qxd4 5. e3 Qxc4 6. Bxc4 e6 7. Nf3 Bb4+ 8. Ke2 Nf6 9. a3 Bd6 10. b4 Ne5 11. Nxe5 Bxe5 12. Ra2 a6 13. f4 Bd6 14. Bb2 Bd7 15. Bxf6 gxf6 16. Bb3 0-0-0 17. Nd2 f5 18. g3 Be7 19. Nf3 Bf6 20. Rc1 Bc6 21. a4 h5 22. h4 Be4 23. b5 axb5 24. axb5 b6 25. Ra7 Rd7 26. Nd2 Bd3+ 27. Kf2 Kb8 28. Ra2 Bxb5 29. e4 fxe4 30. Nxe4 Bd4+ 31. Kf3 Rhd8 32. Ba4 Bxa4 33. Rxa4 c5 34. Nd2 Ra7 35. Rxa7 Kxa7 36. g4 hxg4+ 37. Kxg4 Rg8+ 38. Kf3 Rh8 39. Kg4 Be3 40. Ra1+ Kb7 41. Nc4 Bxf4 42. Rf1 f5+ 43. Kh3 Bg5 44. Nd6+ Kc6 45. Nf7 Rxh4+ 46. Kg2 Be3 47. Ne5+ Kd5 48. Nf3 Rg4+ 49. Kh2 Rf4 50. Kg3 Rb4 51. Rd1+ Ke4 52. Rd6 Bf4+ 0-1

[Event "Valladolid CC Regalado 04th"]
[Site "Valladolid"]
[Date "1980.05.20"]
[Round "3"]
[White "De Dios Lobo, Jesus Manuel"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "39"]
[EventDate "1980.05.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. exd5 exd5 5. Nf3 Nc6 6. Be3 Qb6 7. Nxd5 Qd8 8. dxc5 Qa5+ 9. Bd2 Qd8 10. Bf4 Be6 11. Nc7+ Ke7 12. Bd6+ Kf6 13. Nxa8 Qxa8 14. Nd4 Qe8 15. Be2 Bd5 16. Nxc6 bxc6 17. Qd4+ Ke6 18. Qe5+ Kd7 19. Bg4+ Kd8 20. Bc7# 1-0

[Event "Valladolid CC Regalado 04th"]
[Site "Valladolid"]
[Date "1980.05.10"]
[Round "1"]
[White "Gonzalez Carpintero, Miguel Angel"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D40"]
[PlyCount "54"]
[EventDate "1980.05.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. e3 e6 4. Nc3 c5 5. Nf3 Nc6 6. Bd3 a5 7. a3 Qb6 8. dxc5 Bxc5 9. Na4 Qa7 10. Nxc5 Qxc5 11. Qc2 b6 12. b3 Bb7 13. Bb2 Rd8 14. 0-0 d4 15. Nxd4 Nxd4 16. Bxd4 Rxd4 17. exd4 Qxd4 18. Rad1 Qc5 19. Qb2 0-0 20. Bb1 Qc6 21. f3 Re8 22. Rfe1 Nh5 23. Re5 Nf4 24. Be4 Qc7 25. Bxb7 Qxb7 26. Qd4 f6 27. Re3 h6 1-0

[Event "Valladolid CC Autumn 03rd"]
[Site "Valladolid"]
[Date "1979.12.10"]
[Round "8"]
[White "Prieto Diego, Ceferino"]
[Black "Garcia Maldonado, Jose Luis"]
[Result "0-1"]
[ECO "D53"]
[PlyCount "92"]
[EventDate "1979.11.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Bg5 Be7 5. Rc1 c6 6. e3 Nbd7 7. Bd3 b5 8. cxd5 exd5 9. Nge2 b4 10. Na4 Qc7 11. 0-0 Bd6 12. f4 Ng4 13. Ng3 Ndf6 14. Qe1 0-0 15. h3 h6 16. hxg4 hxg5 17. Nf5 Bxf5 18. Bxf5 gxf4 19. g5 Nh5 20. Qh4 g6 21. Bg4 Qe7 22. Bxh5 Qxe3+ 23. Qf2 gxh5 24. Qxe3 fxe3 25. Rxc6 Bg3 26. Rcf6 e2 27. Rb1 Rae8 28. Rf3 e1Q+ 29. Rxe1 Bxe1 30. Nc5 Re7 31. Nd3 Bd2 32. Rf5 Re3 33. Ne5 Re1+ 34. Kf2 Rc1 35. Nd7 Rd8 36. Nc5 Rf8 37. Nd7 Rfc8 38. Rxd5 R8c2 39. Nf6+ Kg7 40. Nxh5+ Kg6 41. g4 Bxg5+ 42. Kf3 Rf1+ 43. Ke4 Rxb2 44. Rd6+ f6 45. Ng3 Rg1 46. Nf5 Rxg4+ 0-1

[Event "Valladolid CC Autumn 03rd"]
[Site "Valladolid"]
[Date "1979.12.06"]
[Round "7"]
[White "Garcia Cortes Loriente, Miguel Jose"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "49"]
[EventDate "1979.11.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nc6 5. Bb5 Bd7 6. 0-0 Bd6 7. Nc3 Nge7 8. Re1 0-0 9. a3 a6 10. Bxc6 Bxc6 11. Ne5 Be8 12. Be3 f6 13. Nf3 f5 14. Qd2 Ng6 15. Bg5 Qd7 16. Qe2 Nf4 17. Bxf4 Bxf4 18. Ne5 Rf6 19. g3 Bg5 20. f4 Bh6 21. Qe3 g6 22. Re2 Bf8 23. Rae1 Re6 24. Nd1 c5 25. c3 1-0

[Event "Valladolid CC Autumn 03rd"]
[Site "Valladolid"]
[Date "1979.12.04"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "Arrabal Mata, Pablo"]
[Result "0-1"]
[ECO "E30"]
[PlyCount "76"]
[EventDate "1979.11.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Bb4+ 4. Nc3 h6 5. Bh4 0-0 6. e4 g5 7. e5 Ne4 8. Rc1 f5 9. a3 Nxc3 10. bxc3 Bxa3 11. Ra1 Bb2 12. Rb1 Bxc3+ 13. Ke2 gxh4 14. Kd3 Ba5 15. Qh5 Qg5 16. Qe2 Nc6 17. Nh3 Qe7 18. Rb3 Nb4+ 19. Ke3 c5 20. d5 exd5 21. f4 dxc4 22. Qxc4+ Qe6 23. Ra3 Bb6 24. Qc1 d5 25. Kf3 Qg6 26. Rg1 c4 27. Nf2 Bxf2 28. Kxf2 Qb6+ 29. Re3 Be6 30. g4 fxg4 31. Be2 Rxf4+ 32. Ke1 Qa5 33. Kd1 Rd4+ 34. Bd3 Nxd3 35. Rxd3 Rxd3+ 36. Ke2 Qa2+ 37. Kf1 Rf8+ 38. Ke1 Qf2# 0-1

[Event "Valladolid CC Autumn 03rd"]
[Site "Valladolid"]
[Date "1979.11.30"]
[Round "5"]
[White "Arroyo Martinez, Fernando"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "51"]
[EventDate "1979.11.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 c5 4. e3 Nc6 5. exd4 cxd4 6. Qe2 Bg4 7. Nbd2 Qa5 8. g3 Nb4 9. Nb3 Nxd3+ 10. Kd1 Nxb2+ 11. Bxb2 Qf5 12. Bg2 Rd8 13. Kc1 d3 14. Qd1 g6 15. Bxh8 Bh6+ 16. Kb2 e5 17. h3 Bxf3 18. Qxf3 Qe6 19. Qxb7 Qxc4 20. Qc6+ Qxc6 21. Bxc6+ Ke7 22. Bxe5 Ke6 23. Bc3 Ne7 24. Rhe1+ Kd6 25. Bf3 Nc8 26. Rad1 1-0

[Event "Valladolid CC Autumn 03rd"]
[Site "Valladolid"]
[Date "1979.11.27"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "De la Cruz Chunillas, Valeriano"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "48"]
[EventDate "1979.11.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 g6 2. c4 e6 3. Nc3 Bg7 4. Nf3 Ne7 5. Bg5 0-0 6. Rc1 b6 7. e3 d6 8. Be2 Nd7 9. b4 Bb7 10. 0-0 Nf6 11. Qd3 a5 12. b5 c5 13. a4 Rc8 14. Bxf6 Bxf6 15. d5 Bxc3 16. Qxc3 exd5 17. Rfd1 Qc7 18. h3 dxc4 19. Nh2 d5 20. Ng4 Rfd8 21. Nf6+ Kf8 22. Nxh7+ Ke8 23. Qh8+ Kd7 24. Qg7 Qd6 1-0

[Event "Valladolid CC Autumn 03rd"]
[Site "Valladolid"]
[Date "1979.11.23"]
[Round "3"]
[White "Anton Viruega, Carlos"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "63"]
[EventDate "1979.11.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. e3 Bg4 4. h3 Bh5 5. b3 d4 6. g4 Bxg4 7. hxg4 dxe3 8. g5 Ng4 9. Qe2 exd2+ 10. Qxd2 Qc8 11. Bb2 Nc6 12. Bh3 Qe6+ 13. Qe2 Qd7 14. Ne5 Qd5 15. Bg2 Qa5+ 16. Bc3 Nd4 17. Bxa5 Nxe2 18. Kxe2 Nxe5 19. fxe5 c6 20. Nc3 e6 21. Rad1 Be7 22. Ne4 0-0 23. Rd7 b6 24. Rxe7 bxa5 25. Nd6 f5 26. gxf6 gxf6 27. Rhxh7 Rfd8 28. Rhg7+ Kh8 29. Ne4 fxe5 30. Rh7+ Kg8 31. Nf6+ Kf8 32. Rhf7# 1-0

[Event "Valladolid CC Autumn 03rd"]
[Site "Valladolid"]
[Date "1979.11.20"]
[Round "2"]
[White "Prieto Diego, Ceferino"]
[Black "Santos Guerra, Faustino"]
[Result "1-0"]
[ECO "D51"]
[PlyCount "61"]
[EventDate "1979.11.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Bg5 Nbd7 5. Rc1 h6 6. Bh4 Be7 7. Nf3 0-0 8. Bxf6 Nxf6 9. cxd5 exd5 10. e3 c6 11. Bd3 Qc7 12. 0-0 Bd6 13. Re1 Bg4 14. h3 Be6 15. e4 Bb4 16. e5 Nh5 17. a3 Bxc3 18. Rxc3 Nf4 19. Bb1 Qd7 20. Qc2 g6 21. Nh2 Bf5 22. Qd2 Ne6 23. Bxf5 gxf5 24. Qxh6 Ng7 25. Rg3 f6 26. exf6 Rf7 27. Nf3 Raf8 28. Ne5 Qe6 29. Ng6 Qxe1+ 30. Kh2 Rc7 31. Qh8+ 1-0

[Event "Valladolid CC Autumn 03rd"]
[Site "Valladolid"]
[Date "1979.11.16"]
[Round "1"]
[White "Lopez Jimeno, Julio"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "71"]
[EventDate "1979.11.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Bg4 3. Be2 Nf6 4. Nc3 e6 5. a3 c5 6. Ne5 Bxe2 7. Qxe2 Nc6 8. Nf3 a6 9. h3 d4 10. exd4 cxd4 11. Ne4 Be7 12. d3 Rc8 13. c4 Na5 14. Ned2 0-0 15. 0-0 Nd7 16. b4 Nc6 17. Bb2 Bf6 18. Ne4 Nb6 19. Nc5 Rc7 20. Rfe1 Re8 21. Ne4 e5 22. Qd2 Na4 23. b5 axb5 24. cxb5 Ne7 25. Nxf6+ gxf6 26. Re4 Qd5 27. Rg4+ Kh8 28. Qh6 Ng6 29. Nh4 Nxb2 30. Nf5 Rg8 31. b6 Rd7 32. Rc1 Qe6 33. Qh5 Nxd3 34. Nh6 Rg7 35. Rc8+ Rg8 36. Rxg8# 1-0

[Event "Valladolid CC Social 07th"]
[Site "Valladolid"]
[Date "1978.10.24"]
[Round "7"]
[White "Aguirre Urrutia, Juan Jose"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "57"]
[EventDate "1978.10.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. dxc5 Bxc5 5. exd5 Qb6 6. Qf3 Ne7 7. Bc4 Nd7 8. dxe6 fxe6 9. Nh3 Ne5 10. Qe2 Bd7 11. Qxe5 Bxf2+ 12. Nxf2 Rf8 13. Qe3 Qc6 14. Nfe4 b6 15. Bb5 Qc7 16. Bxd7+ Qxd7 17. Qd2 Nd5 18. Nxd5 exd5 19. Ng3 0-0-0 20. Qc3+ Kb7 21. Bd2 Qg4 22. Qd3 Rde8+ 23. Ne2 Qxg2 24. 0-0-0 Rxe2 25. Rhg1 Qxh2 26. Qxd5+ Ka6 27. Qc4+ Kb7 28. Rxg7+ Kb8 29. Bf4+ 1-0

[Event "Valladolid CC Social 07th"]
[Site "Valladolid"]
[Date "1978.10.17"]
[Round "5"]
[White "Abia Herra, Luis Maria"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "43"]
[EventDate "1978.10.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5 Bxc5 5. Bd3 Nc6 6. Nf3 Nge7 7. Nbd2 Qc7 8. Qe2 0-0 9. 0-0 Nb4 10. Nb3 Nxd3 11. cxd3 f6 12. Bf4 fxe5 13. Bxe5 Bd6 14. d4 b6 15. Rac1 Nc6 16. Rc3 Qd7 17. Rfc1 Nb4 18. Rc7 Bxc7 19. Rxc7 Ba6 20. Rxd7 Bxe2 21. Rxg7+ Kh8 22. Rg3+ 1-0

[Event "Valladolid CC Social 07th"]
[Site "Valladolid"]
[Date "1978.10.17"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "Marco Gomez, Francisco Manuel"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "60"]
[EventDate "1978.10.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Be7 4. Nc3 d5 5. e3 Nbd7 6. cxd5 exd5 7. Bb5 c6 8. Bd3 h6 9. Bh4 0-0 10. Nf3 Ne8 11. Bxe7 Qxe7 12. 0-0 Nd6 13. Rc1 Nf6 14. Re1 Nde4 15. Nxe4 Nxe4 16. Ne5 Nd6 17. Qh5 Qf6 18. e4 dxe4 19. Bxe4 Bf5 20. Bxf5 Qxf5 21. Qxf5 Nxf5 22. Re4 Rad8 23. Rd1 Rd5 24. g4 Nd6 25. Re3 Rd8 26. a4 f6 27. Ng6 Nc8 28. Ne7+ Nxe7 29. Rxe7 R5d7 30. Rxd7 Rxd7 1/2-1/2

[Event "Valladolid CC Social 07th"]
[Site "Valladolid"]
[Date "1978.10.14"]
[Round "4"]
[White "Arrabal Mata, Pablo"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "66"]
[EventDate "1978.10.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 Nc6 5. Be3 Qb6 6. g3 Nf6 7. e5 Nd7 8. Bb5 cxd4 9. Nxd4 Bb4 10. Nde2 Qxb5 11. 0-0 Bxc3 12. Nxc3 Qb4 13. Bd2 Qc5 14. Na4 Qd4 15. Kh1 Ndxe5 16. f4 Ng6 17. Qe2 Qe4+ 18. Qxe4 dxe4 19. Rae1 f5 20. g4 b6 21. c4 Bb7 22. Kg2 Nh4+ 23. Kg3 Nf3 24. Re2 Rd8 25. Bc3 Kf7 26. gxf5 exf5 27. c5 Ba6 28. Rxf3 Bxe2 29. Rf2 Rd3+ 30. Kg2 Bf3+ 31. Kg3 h5 32. h4 Rh6 33. cxb6 axb6 0-1

[Event "Valladolid CC Social 07th"]
[Site "Valladolid"]
[Date "1978.10.10"]
[Round "3"]
[White "Prieto Diego, Ceferino"]
[Black "Campos Recio, Andres"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "30"]
[EventDate "1978.10.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 h6 4. e4 dxe4 5. Nxe4 Bf5 6. Bd3 Qxd4 7. f3 e6 8. a3 Na6 9. Ne2 Qd7 10. 0-0 Rd8 11. Bc2 Qc7 12. Qe1 Nc5 13. Bf4 Qb6 14. b4 Nd3+ 15. Be3 Qxe3+ 0-1

[Event "Valladolid CC Social 07th"]
[Site "Valladolid"]
[Date "1978.10.06"]
[Round "2"]
[White "Villafanez Martinez, Carlos Alberto"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "82"]
[EventDate "1978.10.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 Bb4 3. Bd3 c5 4. a3 Bxc3 5. dxc3 d5 6. e5 Nc6 7. Nf3 Nge7 8. 0-0 0-0 9. Ng5 h6 10. Nh7 Re8 11. Qg4 Kh8 12. Nf6 Nxe5 13. Qg3 Nxd3 14. cxd3 Nf5 15. Qg4 Qxf6 16. Qa4 Rd8 17. Be3 Bd7 18. Qg4 b6 19. d4 Bb5 20. Rfd1 Re8 21. a4 Ba6 22. a5 e5 23. dxc5 Nxe3 24. fxe3 bxc5 25. Rd2 Bc4 26. Rb1 Rab8 27. e4 d4 28. cxd4 cxd4 29. Rf2 Qg6 30. Qd7 Qxe4 31. Rc1 d3 32. Rff1 Red8 33. Qc7 Rxb2 34. Qxd8+ Kh7 35. Rf2 Rxf2 36. Kxf2 Qf4+ 37. Kg1 Qxc1+ 38. Kf2 d2 39. g4 Qf1+ 40. Kg3 d1Q 41. Qf8 Qde1# 0-1

[Event "Valladolid CC Social 07th"]
[Site "Valladolid"]
[Date "1978.10.03"]
[Round "1"]
[White "Prieto Diego, Ceferino"]
[Black "Santos Garcia, Fernando"]
[Result "0-1"]
[ECO "D54"]
[PlyCount "42"]
[EventDate "1978.10.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 d5 4. e3 Be7 5. Nc3 0-0 6. Rc1 h6 7. Bxf6 Bxf6 8. cxd5 exd5 9. g3 c6 10. Bg2 Bf5 11. Qh5 Bg6 12. Qe2 Re8 13. Nf3 Nd7 14. 0-0 Nb6 15. b3 a5 16. a4 Nc8 17. Rfe1 Nd6 18. Qd2 Ne4 19. Nxe4 dxe4 20. Ne5 Bxe5 21. dxe5 Qxd2 0-1

[Event "Valladolid CC Regalado -02"]
[Site "Valladolid"]
[Date "1978.05.19"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "Lopez Jimeno, Julio"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "57"]
[EventDate "1978.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Rc1 0-0 6. Nf3 Nc6 7. e3 h6 8. Bxf6 Bxf6 9. cxd5 exd5 10. Bd3 Bg4 11. 0-0 Bg5 12. h3 Bxf3 13. Qxf3 Ne7 14. Nb5 c6 15. Nc3 f5 16. Ne2 Kh8 17. Rce1 Qd6 18. Nf4 Bxf4 19. exf4 Rae8 20. Re3 Ng6 21. Rxe8 Rxe8 22. Bxf5 Nh4 23. Qg4 Qf6 24. Bd3 Rf8 25. g3 Qxd4 26. Rd1 g5 27. gxh4 gxf4 28. Qd7 Qxb2 29. Qh7# 1-0

[Event "Valladolid CC Regalado -02"]
[Site "Valladolid"]
[Date "1978.05.17"]
[Round "5"]
[White "Del Campo, J."]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "52"]
[EventDate "1978.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 e5 3. Nf3 Nc6 4. d3 Bb4 5. a3 Bxc3+ 6. bxc3 d5 7. exd5 Nxd5 8. c4 Nb6 9. g3 Qf6 10. Bg2 Bg4 11. Rb1 Nd4 12. Bg5 Nxf3+ 13. Bxf3 Qxf3 14. Qxf3 Bxf3 15. 0-0 c5 16. Rfe1 f6 17. Be3 Rc8 18. c3 Kf7 19. d4 cxd4 20. cxd4 Nxc4 21. Rxb7+ Bxb7 22. Rb1 Rc7 23. dxe5 Nxe5 24. Bxa7 Rhc8 25. Be3 Rd7 26. Kf1 Be4 0-1

[Event "Valladolid CC Regalado -02"]
[Site "Valladolid"]
[Date "1978.05.15"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "Nieto Alba, Santiago"]
[Result "0-1"]
[ECO "E00"]
[PlyCount "74"]
[EventDate "1978.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 c6 4. b4 Be7 5. Nc3 a6 6. c5 b6 7. Qc2 d6 8. cxb6 Qxb6 9. e3 0-0 10. g3 Bb7 11. Bg2 d5 12. Nf3 Bd6 13. 0-0 Nbd7 14. Bb2 a5 15. Na2 Ne4 16. Nd2 f5 17. f4 Ba6 18. Rfe1 Ndf6 19. Rac1 Rac8 20. Nb3 axb4 21. a4 c5 22. dxc5 Nxc5 23. Bd4 Nfd7 24. Qb1 Qd8 25. Bf1 Bxf1 26. Rxf1 Nxa4 27. Qa1 Rf7 28. Nxb4 Nac5 29. Nxc5 Nxc5 30. Rc3 Ne4 31. Rxc8 Qxc8 32. Na6 Nd2 33. Rd1 Nf3+ 34. Kh1 Qc2 35. Qb2 Qxd1+ 36. Kg2 Ne1+ 37. Kh3 Qh5# 0-1

[Event "Valladolid CC Regalado -02"]
[Site "Valladolid"]
[Date "1978.05.11"]
[Round "2"]
[White "Prieto Diego, Ceferino"]
[Black "Davila, Luis M"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "66"]
[EventDate "1978.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. f4 Bg7 5. Nf3 c5 6. Be3 cxd4 7. Bxd4 Nc6 8. Bb5 0-0 9. Bxc6 bxc6 10. e5 Nh5 11. Qd2 Bh6 12. Ne2 Bg4 13. exd6 exd6 14. 0-0-0 Qc7 15. Bc3 Rfe8 16. Qd4 f6 17. Rhe1 Rxe2 18. Rxe2 Nxf4 19. Kb1 Nxe2 20. Qxf6 Nxc3+ 21. Qxc3 Bg7 22. Qc4+ Qf7 23. Qxg4 Rb8 24. c3 Bxc3 25. b3 Rxb3+ 26. Kc2 Rb4 27. Qc8+ Kg7 28. Qxc6 Bf6 29. Rd5 Rb2+ 30. Kd1 Qe6 31. Nd2 Qg4+ 32. Nf3 Qxg2 33. Rxd6 Rb1+ 0-1

[Event "Valladolid CC Regalado -02"]
[Site "Valladolid"]
[Date "1978.05.08"]
[Round "1"]
[White "Lopez Barbado, Jose Luis"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "39"]
[EventDate "1978.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 h6 6. b3 a5 7. Bb2 Nge7 8. dxc5 Nf5 9. Nc3 Bxc5 10. e4 d4 11. Na4 Ba7 12. exf5 b5 13. Nxd4 Nxd4 14. Bxa8 e5 15. Nc3 Bxf5 16. Bg2 Bxc2 17. Qh5 Qg5 18. Qxg5 hxg5 19. Nxb5 Nxb5 20. Bc6+ 1-0

[Event "Valladolid CC Autumn 01"]
[Site "Valladolid"]
[Date "1977.12.12"]
[Round "7"]
[White "Prieto Diego, Ceferino"]
[Black "San Jose Gil, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "D38"]
[PlyCount "92"]
[EventDate "1977.11.21"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 0-0 7. Bxc4 b6 8. 0-0 Bb7 9. Re1 Nc6 10. a3 Na5 11. Bd3 c5 12. b4 c4 13. Bc2 Nb3 14. Rb1 Bxf3 15. gxf3 a6 16. f4 b5 17. Kh1 a5 18. Bxb3 cxb3 19. Rxb3 axb4 20. Nxb5 Qa5 21. Qd3 bxa3 22. Bxf6 Bxf6 23. Ra1 a2 24. Nc3 Qh5 25. Qe4 Bh4 26. Qg2 Rab8 27. Rxb8 Rxb8 28. Rxa2 g6 29. Ra8 Rxa8 30. Qxa8+ Kg7 31. Qg2 f5 32. f3 h6 33. Nb5 Kf7 34. e4 g5 35. exf5 exf5 36. fxg5 hxg5 37. d5 f4 38. Nd6+ Kf6 39. Ne4+ Ke7 40. d6+ Kd8 41. Qg1 Qxf3+ 42. Qg2 Qxg2+ 43. Kxg2 g4 44. Kf1 g3 45. hxg3 fxg3 46. Kg2 Be7 1/2-1/2

[Event "Valladolid CC Autumn 01"]
[Site "Valladolid"]
[Date "1977.12.05"]
[Round "5"]
[White "Campos Recio, Andres"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "85"]
[EventDate "1977.11.21"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Bd2 Nc6 5. e3 Nge7 6. Bd3 0-0 7. a3 Bxc3 8. Bxc3 a5 9. c5 b6 10. cxb6 cxb6 11. Nf3 Ba6 12. Bxa6 Rxa6 13. Ng5 h6 14. Qd3 Nf5 15. Nxe6 fxe6 16. Qxa6 Nd6 17. Qe2 Ne4 18. f3 Qh4+ 19. g3 Nxg3 20. Qf2 Nf5 21. Qxh4 Nxh4 22. f4 Ne7 23. 0-0-0 Nef5 24. Rd3 Ng2 25. Bd2 Nd6 26. Rg1 Nh4 27. Rf1 g5 28. h3 Ne4 29. Rb3 Ng3 30. Rf2 Ne4 31. Rf1 Rc8+ 32. Kd1 Ng3 33. Rg1 Ne4 34. Be1 Nf3 35. Rxb6 Kf7 36. Rb5 a4 37. Rg4 Ra8 38. Ke2 Nxe1 39. Kxe1 Rc8 40. Ke2 Nc5 41. dxc5 Rxc5 42. fxg5 hxg5 43. Rxg5 1-0

[Event "Valladolid CC Autumn 01"]
[Site "Valladolid"]
[Date "1977.12.01"]
[Round "4"]
[White "Garcia Martinez, Napoleon"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "35"]
[EventDate "1977.11.21"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 c5 4. d4 Nc6 5. Bb5 Bd7 6. exd5 exd5 7. Nxd5 Qa5+ 8. Bd2 Qd8 9. 0-0 cxd4 10. Bf4 a6 11. Bxc6 Bxc6 12. Nc7+ Kd7 13. Qxd4+ Kc8 14. Qxd8+ Kxd8 15. Rad1+ Bd7 16. Nxa8 Nf6 17. Ng5 Be7 18. Nxf7+ 1-0

[Event "Valladolid CC Autumn 01"]
[Site "Valladolid"]
[Date "1977.11.28"]
[Round "3"]
[White "Prieto Diego, Ceferino"]
[Black "Santamaria Cabrillo, Guillermo"]
[Result "0-1"]
[ECO "E00"]
[PlyCount "50"]
[EventDate "1977.11.21"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 b6 4. e4 Be7 5. f3 h6 6. Bh4 Bb7 7. Bd3 d5 8. cxd5 exd5 9. e5 Nh5 10. Bg3 Nc6 11. Qa4 a6 12. Ne2 0-0 13. 0-0 Nxg3 14. Nxg3 Nxd4 15. Nc3 Bc5 16. Kh1 Nc6 17. Rad1 Nd4 18. Bb1 Bc6 19. Rxd4 Bxa4 20. Rxa4 Qg5 21. f4 Qd8 22. b4 b5 23. Nxb5 axb5 24. Rxa8 Qxa8 25. bxc5 Qa7 0-1

[Event "Valladolid CC Autumn 01"]
[Site "Valladolid"]
[Date "1977.11.24"]
[Round "2"]
[White "Sebastian, Felipe"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "61"]
[EventDate "1977.11.21"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 c5 3. Nf3 Nc6 4. e4 Nge7 5. d3 d5 6. cxd5 exd5 7. Bf4 d4 8. Nb1 a5 9. Be2 Be6 10. Nbd2 Ng6 11. Bg3 Bd6 12. Bxd6 Qxd6 13. b3 Nb4 14. 0-0 Nf4 15. Nc4 Bxc4 16. bxc4 0-0 17. a3 Nc6 18. Nh4 Ne5 19. g3 Nxe2+ 20. Qxe2 Ra6 21. f4 Nd7 22. e5 Qc6 23. Nf5 Qe6 24. Qg4 g6 25. Nh6+ Kh8 26. f5 gxf5 27. Nxf5 Qxe5 28. Rae1 Rg8 29. Qh5 Qf6 30. Nh6 Qxh6 31. Rxf7 0-1

[Event "Valladolid CC Autumn 01"]
[Site "Valladolid"]
[Date "1977.11.21"]
[Round "1"]
[White "Prieto Diego, Ceferino"]
[Black "Otero Martin, Enrique"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "66"]
[EventDate "1977.11.21"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 d6 8. h3 c6 9. b4 Nd7 10. Rc1 a5 11. b5 c5 12. Ne4 Bg7 13. d5 Nb6 14. Bd3 a4 15. a3 Bb2 16. Rc2 Bxa3 17. Nfd2 Bb4 18. 0-0 Bf5 19. Qe2 a3 20. Ra1 Na4 21. Nb1 Nb2 22. Rxb2 axb2 23. Rxa8 Qxa8 24. Qxb2 Bxe4 25. Bxe4 Qa5 26. Bd3 Ra8 27. Kh2 Qa2 28. Qxa2 Rxa2 29. f4 Kg7 30. Kg3 f5 31. h4 Kf6 32. Kf3 Be1 33. g3 Rf2# 0-1

[Event "Valladolid CC Reloj Justina 06th"]
[Site "Valladolid"]
[Date "1977.08.26"]
[Round "8"]
[White "Bermejo Marciel, Felipe"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "64"]
[EventDate "1977.08.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e6 5. e4 cxd4 6. Nxd4 Bb4 7. Nxc6 bxc6 8. Bg5 0-0 9. e5 h6 10. Bxf6 gxf6 11. Qg4+ Kh8 12. Qf4 Kg7 13. Qg3+ Kh8 14. Bd3 f5 15. h4 Rg8 16. Qf4 Rxg2 17. Qxh6+ Kg8 18. 0-0-0 Bf8 19. Qh5 Bg7 20. Rdg1 Rxg1+ 21. Rxg1 Qf8 22. Ne4 fxe4 23. Bxe4 f5 24. exf6 Qxf6 25. Qh7+ Kf8 26. Rg6 Qxb2+ 27. Kd1 Qd4+ 28. Kc1 Qxc4+ 29. Kd1 Qd4+ 30. Kc1 Ba6 31. h5 Be2 32. h6 Qd1# 0-1

[Event "Valladolid CC Reloj Justina 06th"]
[Site "Valladolid"]
[Date "1977.08.23"]
[Round "7"]
[White "Prieto Diego, Ceferino"]
[Black "Santamaria Cabrillo, Guillermo"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "105"]
[EventDate "1977.08.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. Bg5 Be7 6. e3 c5 7. Rc1 cxd4 8. exd4 d5 9. b3 Ne4 10. Bxe7 Qxe7 11. Nxe4 dxe4 12. Ne5 h5 13. Be2 Qb4+ 14. Qd2 Qxd2+ 15. Kxd2 f6 16. Ng6 Rh6 17. Nf4 f5 18. Bxh5+ Ke7 19. h3 g5 20. Ng6+ Kf6 21. Ne5 Rxh5 22. g4 e3+ 23. fxe3 fxg4 24. Rhf1+ Kg7 25. Rf7+ Kg8 26. hxg4 Rh2+ 27. Kc3 Be4 28. Re7 Na6 29. Rxe6 Rf8 30. Nd7 Rf1 31. Nf6+ Kf7 32. d5 Rxc1+ 33. Kd4 Rh6 34. Nxe4 Rxe6 35. dxe6+ Kxe6 36. Nxg5+ Kd6 37. Ne4+ Ke7 38. Nf2 Rc2 39. Nh3 Rxa2 40. g5 Nc7 41. b4 Rh2 42. Nf4 Ne6+ 43. Ke5 Nxg5 44. Nd5+ Kd7 45. Nc3 Rc2 46. Kd4 Kd6 47. Nb5+ Kc6 48. Nxa7+ Kb7 49. Nb5 Nf3+ 50. Kd5 Nd2 51. Nd6+ Ka6 52. b5+ Ka7 53. e4 1/2-1/2

[Event "Valladolid CC Reloj Justina 06th"]
[Site "Valladolid"]
[Date "1977.08.19"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "Garcia Macho, Alberto"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "142"]
[EventDate "1977.08.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bg5 d5 4. e3 Nbd7 5. c4 dxc4 6. Qa4 c5 7. Bxc4 Qc7 8. Bxf6 gxf6 9. Qc2 cxd4 10. Nxd4 Bb4+ 11. Nd2 Bxd2+ 12. Kxd2 Qd6 13. Bd3 Nc5 14. Nb5 Qxd3+ 15. Qxd3 Nxd3 16. Kxd3 Ke7 17. Rhc1 Rd8+ 18. Ke2 a6 19. Na3 b5 20. Rc7+ Bd7 21. Rac1 Rac8 22. b4 Kd6 23. Rxc8 Rxc8 24. Rxc8 Bxc8 25. Nb1 Bb7 26. g3 Bd5 27. a3 f5 28. f4 Bc4+ 29. Kf2 Bd3 30. Nd2 Be4 31. Nb3 Kd5 32. Nc5 Kc4 33. Nxa6 Kb3 34. Ke1 Kxa3 35. Kd2 Kb3 36. g4 Kc4 37. g5 Bb7 38. Nc5 Bc8 39. Nd3 Bb7 40. h4 Be4 41. Ne5+ Kxb4 42. Nxf7 Ka3 43. Nd6 b4 44. Nc4+ Kb3 45. Nb6 Ka2 46. Kc1 Bd5 47. Na4 Bc6 48. Nb2 Be8 49. Nd3 b3 50. Nb4+ Ka3 51. Nd3 Bb5 52. Nb2 Be2 53. Kb1 Bb5 54. h5 Be8 55. h6 Bf7 56. Nc4+ Kb4 57. Nd6 Bg8 58. e4 Kc5 59. e5 Kd4 60. Kb2 Ke3 61. Kxb3 Kxf4 62. Ne8 Kxg5 63. Nf6 Bf7 64. Nxh7+ Kxh6 65. Nf6 f4 66. Kc3 Kg5 67. Kd4 Kf5 68. Ne4 Kg4 69. Nf2+ Kg3 70. Ne4+ Kg2 71. Kd3 Bg6 0-1

[Event "Valladolid CC Reloj Justina 06th"]
[Site "Valladolid"]
[Date "1977.08.16"]
[Round "5"]
[White "Rodriguez, Jose Manuel"]
[Black "Prieto Diego, Ceferino"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "116"]
[EventDate "1977.08.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. d3 Bb4 5. e5 Nfd7 6. d4 0-0 7. Bd3 c5 8. Ng5 g6 9. Qg4 cxd4 10. Qh4 h5 11. Qxd4 Nc6 12. Qf4 Ndxe5 13. 0-0 Qc7 14. Nh3 Bd6 15. Nb5 Qe7 16. Nxd6 Qxd6 17. Qf6 Ng4 18. Bf4 Nxf6 19. Bxd6 Rd8 20. Ba3 e5 21. Bb5 Bxh3 22. Bxc6 bxc6 23. gxh3 Rac8 24. Be7 Kg7 25. Bxd8 Rxd8 26. Rfe1 Nd7 27. a4 f5 28. a5 e4 29. Ra3 Ne5 30. Rd1 Nc4 31. Rb3 Nxa5 32. Ra3 Nc4 33. Rxa7+ Kf6 34. b3 Ne5 35. Ra6 Kg5 36. c4 d4 37. Ra5 Kf4 38. b4 Nxc4 39. Rc5 Ne5 40. b5 cxb5 41. Rxb5 d3 42. Rb4 Rc8 43. Kg2 Rc2 44. Rd4 g5 45. Rf1 g4 46. hxg4 Nxg4 47. Kg1 Ke5 48. Rb4 f4 49. Rbb1 Rc5 50. Kg2 d2 51. Rh1 Rd5 52. h3 Nxf2 53. Kxf2 e3+ 54. Ke2 Ke4 55. Rhf1 Rc5 56. Rb4+ Ke5 57. Rbb1 Rc2 58. Rb5+ Ke4 1/2-1/2

[Event "Valladolid CC Reloj Justina 06th"]
[Site "Valladolid"]
[Date "1977.08.12"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "Pena Gonzalez, Francisco Jose"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "53"]
[EventDate "1977.08.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 g6 4. Nc3 Bg7 5. Bg5 h6 6. Bh4 c6 7. b4 a6 8. Ne4 d5 9. cxd5 cxd5 10. Ned2 Qc7 11. Rc1 Nc6 12. e4 Nd7 13. exd5 exd5 14. Qe2+ Be5 15. dxe5 0-0 16. Qe3 Re8 17. Be2 Ndxe5 18. Nxe5 Rxe5 19. Qxh6 Rxe2+ 20. Kxe2 Bg4+ 21. f3 Re8+ 22. Kf2 Qe5 23. Rhe1 Qd4+ 24. Kg3 Ne5 25. Bf6 Qf2+ 26. Kxf2 Nd3+ 27. Kg3 1-0

[Event "Valladolid CC Reloj Justina 06th"]
[Site "Valladolid"]
[Date "1977.08.09"]
[Round "3"]
[White "Moral Sanz, Jose Luis"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D40"]
[PlyCount "59"]
[EventDate "1977.08.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Be2 Bd7 7. 0-0 Bd6 8. h3 0-0 9. cxd5 exd5 10. dxc5 Bxc5 11. Nxd5 Nxd5 12. Qxd5 Qe7 13. Qh5 Nb4 14. Bd2 Rae8 15. a3 Nd5 16. Qxd5 Bc6 17. Qh5 f5 18. Bc4+ Kh8 19. Bc3 Qe4 20. Rac1 Re7 21. Qh4 f4 22. Bb3 h6 23. Qxh6+ Qh7 24. Qxh7+ Kxh7 25. exf4 Rxf4 26. Ng5+ Kh6 27. Ne6 Rf5 28. Nxc5 Rxc5 29. Bd2+ Rg5 30. Bxg5+ 1-0

[Event "Valladolid CC Reloj Justina 06th"]
[Site "Valladolid"]
[Date "1977.08.05"]
[Round "2"]
[White "Fernandez Fernandez, German"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "34"]
[EventDate "1977.08.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Ne7 4. Bg5 f6 5. Bh4 c5 6. dxc5 Ng6 7. Nf3 Bxc5 8. Bb5+ Bd7 9. e5 Nxh4 10. Nxh4 0-0 11. 0-0 fxe5 12. h3 Qxh4 13. g3 Qxh3 14. Qe2 Qxg3+ 15. Kh1 Qh3+ 16. Kg1 Rf3 17. Nd1 Rg3# 0-1

[Event "Valladolid CC Reloj Justina 06th"]
[Site "Valladolid"]
[Date "1977.08.02"]
[Round "1"]
[White "Prieto Diego, Ceferino"]
[Black "Corral Suarez, Francisco Javier"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "52"]
[EventDate "1977.08.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Bf4 Bg7 5. Nc3 0-0 6. Qd2 c6 7. b4 Qb6 8. a3 Bf5 9. Bh6 Nbd7 10. Bxg7 Kxg7 11. Ng5 e5 12. e3 exd4 13. exd4 Rae8+ 14. Be2 h6 15. Nf3 Bg4 16. Qf4 Bxf3 17. gxf3 Nh5 18. Qxd6 Ndf6 19. 0-0-0 a5 20. c5 Qa7 21. b5 Re6 22. b6 Qa8 23. Qc7 Rc8 24. Qd6 Rxd6 25. cxd6 Qb8 26. f4 Qxd6 0-1

[Event "Valladolid CC Regalado 01"]
[Site "Valladolid"]
[Date "1977.05.13"]
[Round "6"]
[White "Nieto Alba, Santiago"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C14"]
[PlyCount "70"]
[EventDate "1977.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5 7. Nf3 Nc6 8. b3 a6 9. a3 0-0 10. Bd3 cxd4 11. Ne2 Qb6 12. Bxe7 Nxe7 13. Nexd4 f6 14. Ng5 g6 15. Ngxe6 Rf7 16. h5 fxe5 17. hxg6 Nxg6 18. Qg4 Ndf8 19. Bxg6 Nxg6 20. f4 exd4 21. f5 Bxe6 22. fxe6 Re8 23. 0-0-0 Qxe6 24. Qh5 Qe3+ 25. Kb1 Qc3 26. Qxd5 Re2 27. Qd8+ Kg7 28. Rxh7+ Kxh7 29. Rh1+ Kg7 30. Rc1 d3 31. Qxd3 Qxd3 32. cxd3 Rxg2 33. d4 Rff2 34. Rc2 Rxc2 35. d5 Rcf2 0-1

[Event "Valladolid CC Regalado 01"]
[Site "Valladolid"]
[Date "1977.05.09"]
[Round "4"]
[White "Casado Lobato, Luis Julian"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "87"]
[EventDate "1977.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Bd7 6. Nf3 Nge7 7. Bg5 Qb6 8. Bxc6 bxc6 9. dxc5 Qxb2 10. Nbd2 Qxc3 11. Rc1 Qa5 12. a4 Nf5 13. 0-0 h6 14. Be3 Be7 15. Re1 0-0 16. Qc2 Nxe3 17. Rxe3 f5 18. Ra1 Rab8 19. Nb3 Qd8 20. Nbd4 Bg5 21. Rc3 Qc7 22. Re1 Rb4 23. a5 Rxd4 24. Nxd4 Qxa5 25. Rce3 Rb8 26. Nb3 Qc7 27. h3 Bf4 28. g4 Bxe5 29. Qa2 Bh2+ 30. Kf1 fxg4 31. hxg4 Rf8 32. f3 Qg3 33. Qg2 Qxg2+ 34. Kxg2 Bf4 35. R3e2 e5 36. Ra1 Ra8 37. Rea2 Be6 38. Rxa7 Rb8 39. Ra8 Rxa8 40. Rxa8+ Kf7 41. Na5 Bd7 42. Ra7 Ke6 43. Ra6 e4 44. Nxc6 1-0

[Event "Valladolid CC Regalado 01"]
[Site "Valladolid"]
[Date "1977.05.06"]
[Round "3"]
[White "Moral Sanz, Jose Luis"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "53"]
[EventDate "1977.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Qc2 Ne7 5. e3 Nbc6 6. Nf3 f6 7. Bd3 Nf5 8. cxd5 Bxc3+ 9. bxc3 Qxd5 10. e4 Nfxd4 11. cxd4 Nxd4 12. Qa4+ Qc6 13. Qxd4 0-0 14. 0-0 b6 15. Bb2 Bb7 16. Rac1 Qe8 17. Rxc7 Rd8 18. Qc3 Bc8 19. Rc1 Qa4 20. Qb3 Qxb3 21. axb3 Rxd3 22. Rxc8 Rxb3 23. Rxf8+ Kxf8 24. Ba1 a5 25. h3 a4 26. Nd4 b5 27. Nxb3 1-0

[Event "Valladolid CC Regalado 01"]
[Site "Valladolid"]
[Date "1977.05.04"]
[Round "2"]
[White "Garcia Martinez, Napoleon"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "71"]
[EventDate "1977.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Qa4+ Nc6 4. Qxc4 Be6 5. Qc3 Nxd4 6. Bf4 c6 7. e3 Nf5 8. Nf3 Nf6 9. Bd3 g6 10. Nbd2 Bg7 11. e4 Nxe4 12. Qc2 Nc5 13. Bxf5 Bxf5 14. Qxc5 0-0 15. 0-0 Bd3 16. Rfd1 Bf5 17. Nc4 Bd7 18. Nfe5 b6 19. Qe3 Qc8 20. Nxd7 Rd8 21. Rac1 Qb7 22. Nde5 b5 23. Na5 Qa6 24. b4 g5 25. Bg3 Rdc8 26. Rxc6 Rxc6 27. Nexc6 Bf6 28. Be5 Bxe5 29. Qxg5+ Bg7 30. Rd3 f6 31. Qh5 Rf8 32. Rg3 Qc8 33. Nxe7+ Kh8 34. Nxc8 Rxc8 35. h3 Rc1+ 36. Kh2 1-0

[Event "Valladolid CC Regalado 01"]
[Site "Valladolid"]
[Date "1977.05.02"]
[Round "1"]
[White "Prieto Hernandez, Jesus"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "47"]
[EventDate "1977.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Be2 Nc6 7. Be3 Qb6 8. 0-0 cxd4 9. Nxd4 Qxb2 10. Ncb5 Kd8 11. Nxc6+ bxc6 12. Bd4 Qb4 13. Nxa7 Qb7 14. Nxc8 Qxc8 15. f4 Bc5 16. Rf3 Ra4 17. Bxc5 Nxc5 18. c4 Qa8 19. cxd5 cxd5 20. Qb1 Ke7 21. Qb6 Qa7 22. Qd6+ Ke8 23. Kh1 Ne4 24. Bb5+ 1-0

[Event "Valladolid CC Social 05th"]
[Site "Valladolid"]
[Date "1976.10.25"]
[Round "7"]
[White "Bustamante Bustillo, Angel"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "47"]
[EventDate "1976.10.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Nc3 Ne7 6. Bd3 Bg4 7. 0-0 0-0 8. Bxh7+ Kh8 9. Bd3 Nbc6 10. Be2 Nf5 11. Nb5 Be7 12. h3 Bxf3 13. Bxf3 a6 14. Nc3 Ncxd4 15. Bxd5 Rb8 16. g4 c6 17. gxf5 Nxf5 18. Qh5+ Nh6 19. Bxh6 gxh6 20. Qxh6+ Kg8 21. Kh1 Bg5 22. Rg1 Qxd5+ 23. Nxd5 f6 24. Nxf6+ 1-0

[Event "Valladolid CC Social 05th"]
[Site "Valladolid"]
[Date "1976.10.21"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "Garcia Macho, Alberto"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "67"]
[EventDate "1976.10.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. h3 d6 5. Nf3 0-0 6. Bg5 Nbd7 7. Rc1 e5 8. e3 h6 9. Bh4 g5 10. Bg3 Qe7 11. Be2 Re8 12. Nh2 exd4 13. exd4 Ne4 14. Nd5 Qd8 15. 0-0 Nxg3 16. fxg3 Re4 17. Nf3 Nf6 18. Bd3 Re8 19. Nh2 Nxd5 20. cxd5 Bxd4+ 21. Kh1 Bxb2 22. Qh5 Qe7 23. Qxh6 Bg7 24. Qh7+ Kf8 25. Bg6 f6 26. Rxf6+ Qxf6 27. Bxe8 Kxe8 28. Qg8+ Bf8 29. Re1+ Qe7 30. Qg6+ Kd8 31. Rxe7 Bxe7 32. Ng4 Bxg4 33. Qg8+ Kd7 34. Qxa8 1-0

[Event "Valladolid CC Social 05th"]
[Site "Valladolid"]
[Date "1976.10.18"]
[Round "5"]
[White "Bermejo Marciel, Felipe"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C11"]
[PlyCount "64"]
[EventDate "1976.10.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 Nf6 5. e5 Nfd7 6. Bb5 Nc6 7. 0-0 Qb6 8. Bxc6 bxc6 9. dxc5 Bxc5 10. Na4 Qb5 11. Nxc5 Nxc5 12. Nd4 Qb6 13. b3 0-0 14. Qg4 f5 15. exf6 Rxf6 16. Bg5 Rg6 17. Qf4 Ne4 18. Be7 Ba6 19. Rfd1 Re8 20. Bh4 e5 21. Qf5 exd4 22. Qd7 Rge6 23. Re1 Bc8 24. Qxe6+ Rxe6 25. f3 d3+ 26. Kh1 Nf2+ 27. Bxf2 Rxe1+ 28. Bxe1 dxc2 29. Rc1 Bf5 30. Bd2 Qf2 31. Bf4 h6 32. Bg3 Qd2 0-1

[Event "Valladolid CC Social 05th"]
[Site "Valladolid"]
[Date "1976.10.14"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "Carretero Ajo, Jesus"]
[Result "0-1"]
[ECO "E00"]
[PlyCount "62"]
[EventDate "1976.10.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Bg5 exd5 5. Bxf6 Qxf6 6. cxd5 Qxb2 7. Nd2 Qd4 8. e4 d6 9. Ngf3 Qf6 10. h3 Be7 11. Bc4 Qg6 12. g4 0-0 13. 0-0 f5 14. exf5 Bxf5 15. Ne5 dxe5 16. d6+ Be6 17. dxe7 Re8 18. Bxe6+ Qxe6 19. Ne4 Qxe7 20. Qc2 b6 21. Rae1 Nc6 22. f4 Nd4 23. Qb1 exf4 24. Rxf4 Qc7 25. Rf2 Rf8 26. Ref1 Qe5 27. h4 Rxf2 28. Rxf2 Re8 29. Ng5 Qg3+ 30. Kf1 Qxh4 31. Qc1 Qh1# 0-1

[Event "Valladolid CC Social 05th"]
[Site "Valladolid"]
[Date "1976.10.07"]
[Round "2"]
[White "Abia Herra, Luis Maria"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C07"]
[PlyCount "60"]
[EventDate "1976.10.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 cxd4 5. cxd4 Bb4 6. Qa4+ Nc6 7. Bb5 Bd7 8. Bxc6 Bxd2+ 9. Bxd2 Bxc6 10. Qc2 dxe4 11. Ne2 Nf6 12. Bb4 Nd5 13. Bc5 Qa5+ 14. Nc3 e3 15. b4 exf2+ 16. Qxf2 Nxb4 17. Bxb4 Qxb4 18. Rc1 0-0 19. 0-0 Rad8 20. Rfd1 f6 21. Qe3 Qb2 22. Qxe6+ Kh8 23. d5 Qb6+ 24. Kh1 Rde8 25. Qd6 Rd8 26. Qg3 Bd7 27. Rd3 Rde8 28. Qf4 Re5 29. Ne4 Rfe8 30. Re1 Rxe4 0-1

[Event "Valladolid CC Social 05th"]
[Site "Valladolid"]
[Date "1976.10.04"]
[Round "1"]
[White "Prieto Diego, Ceferino"]
[Black "Moral Sanz, Jose Luis"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "128"]
[EventDate "1976.10.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. h3 0-0 5. Bg5 d6 6. Nc3 Re8 7. Qd2 Nc6 8. Bh6 Bf5 9. Bxg7 Kxg7 10. Nh2 e5 11. d5 Nb4 12. Rc1 Na6 13. Ng4 Bxg4 14. hxg4 Nxg4 15. f3 Nf6 16. Qh6+ Kh8 17. g4 Rg8 18. Ne4 Rg7 19. Nxf6 Qxf6 20. g5 Qf4 21. Rd1 Nc5 22. Rh3 Qxc4 23. b3 Qb4+ 24. Kf2 e4 25. Bg2 Re8 26. Rdh1 Qd4+ 27. Kg3 Kg8 28. Rh4 Qe5+ 29. Rf4 e3 30. Rhh4 Qxd5 31. b4 Nd7 32. Re4 Rxe4 33. Rxe4 Qd2 34. Bf1 Qe1+ 35. Kf4 Qxf1 36. Re8+ Nf8 37. Kxe3 Qc1+ 38. Kf2 Qc4 39. Qh3 Qxb4 40. Qc8 d5 41. Qxc7 Qb6+ 42. Qxb6 axb6 43. Ke3 f5 44. gxf6 Rf7 45. Kd4 Rxf6 46. Kxd5 h5 47. Ke5 Rf7 48. f4 Kg7 49. e4 h4 50. Rc8 Nd7+ 51. Ke6 Nc5+ 52. Ke5 Nd3+ 53. Kd6 Nxf4 54. e5 g5 55. e6 Nxe6 56. Kxe6 h3 57. Rc1 Kg6 58. Ke5 g4 59. Ke4 Kg5 60. Ke3 Kh4 61. Rb1 Rf6 62. a4 h2 63. Rh1 Kg3 64. Ke2 Kg2 0-1

[Event "Valladolid CC Reloj Justina 05th"]
[Site "Valladolid"]
[Date "1976.08.27"]
[Round "8"]
[White "Prieto Diego, Ceferino"]
[Black "Moral Sanz, Jose Luis"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "64"]
[EventDate "1976.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bf4 0-0 6. Nf3 Nbd7 7. h3 Re8 8. Qd2 c6 9. Bh6 Qa5 10. Bxg7 Kxg7 11. Bd3 Qc7 12. Nh2 e5 13. d5 a6 14. Ng4 Nxg4 15. hxg4 Rh8 16. Nd1 Nf6 17. Qh6+ Kg8 18. Ne3 Qb6 19. b3 Bxg4 20. Rh4 Qb4+ 21. Kf1 Qc3 22. Re1 Qxd3+ 23. Kg1 Bd7 24. f4 Qd2 25. Kf1 Nxe4 26. Re2 Ng3+ 27. Kg1 Nxe2+ 28. Kf2 Nd4+ 29. Kg3 Qxe3+ 30. Kh2 Qe1 31. fxe5 dxe5 32. d6 Nf5 0-1

[Event "Valladolid CC Reloj Justina 05th"]
[Site "Valladolid"]
[Date "1976.08.24"]
[Round "7"]
[White "Munoz, JA."]
[Black "Prieto Diego, Ceferino"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "33"]
[EventDate "1976.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 e6 2. e4 c5 3. Nc3 Ne7 4. Nf3 d5 5. d4 Nbc6 6. Be3 cxd4 7. Nxd4 Nxd4 8. Bxd4 Nc6 9. cxd5 exd5 10. exd5 Nb4 11. Bc4 Bf5 12. Bb5+ Bd7 13. Qe2+ Qe7 14. Bxd7+ Kxd7 15. Qxe7+ Bxe7 16. 0-0 Nc2 17. Rad1 1/2-1/2

[Event "Valladolid CC Reloj Justina 05th"]
[Site "Valladolid"]
[Date "1976.08.20"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "Llorente Bajo, Maximo"]
[Result "0-1"]
[ECO "E20"]
[PlyCount "119"]
[EventDate "1976.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. e4 Bxc3 6. Bxc3 Nxe4 7. Rc1 Qf6 8. Nf3 Bb7 9. Bd3 Nxc3 10. Rxc3 Bxf3 11. Qxf3 Qxf3 12. gxf3 0-0 13. Be4 c6 14. d5 exd5 15. cxd5 Re8 16. 0-0 c5 17. a3 d6 18. b4 Nd7 19. Bf5 Rad8 20. Rfc1 g6 21. Bh3 Re5 22. Rd3 Nf6 23. f4 Rxd5 24. Re3 Rd4 25. Re7 Rd3 26. Re3 Rxe3 27. fxe3 Re8 28. Kf2 Nd5 29. Re1 cxb4 30. Bg2 Nf6 31. axb4 Ng4+ 32. Kf3 f5 33. h3 Nf6 34. b5 d5 35. Rd1 Rd8 36. Kg3 Ne4+ 37. Kh4 Nc3 38. Rc1 Nxb5 39. Kg5 Kg7 40. Bf1 h6+ 41. Kh4 Nd6 42. Rc7+ Kf6 43. Rxa7 g5+ 44. Kg3 Re8 45. Kf3 Nc4 46. fxg5+ hxg5 47. Bxc4 dxc4 48. Rb7 Re6 49. Rc7 b5 50. Rc5 Rb6 51. e4 fxe4+ 52. Kxe4 Re6+ 53. Kf3 Re5 54. Rc6+ Ke7 55. Kg4 Kd7 56. Rb6 c3 57. Rb7+ Kd6 58. Rb6+ Kd5 59. Rb8 c2 60. Rc8 0-1

[Event "Valladolid CC Reloj Justina 05th"]
[Site "Valladolid"]
[Date "1976.08.17"]
[Round "5"]
[White "Nieto Alba, Santiago"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "87"]
[EventDate "1976.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 Nc6 5. e5 Qb6 6. Nb5 Nxd4 7. c4 Bd7 8. a4 a6 9. a5 Qd8 10. Nbxd4 cxd4 11. Nxd4 Rc8 12. b3 Bc5 13. Bd3 Bxd4 14. Ra2 Qh4 15. 0-0 Bxe5 16. f4 Bd4+ 17. Kh1 dxc4 18. Bxc4 Ba7 19. Ba3 Nf6 20. Rf3 Ng4 21. h3 Nf2+ 22. Rfxf2 Bxf2 23. Bd6 Rd8 24. Bc7 0-0 25. Bxd8 Rxd8 26. Rd2 Qe7 27. Rxf2 g6 28. Qe2 Qd6 29. Kh2 b5 30. Bd3 Qb4 31. Qa2 Qe1 32. Re2 Qf1 33. Qd2 Bc6 34. b4 Rd4 35. Qe3 Rxf4 36. Rc2 Qa1 37. Qxf4 Bd5 38. Rd2 Qe1 39. Rc2 Qxb4 40. Rc8+ Kg7 41. Qe5+ Kh6 42. Qg3 Qe7 43. Rc7 Qf6 44. Qe3+ 1-0

[Event "Valladolid CC Reloj Justina 05th"]
[Site "Valladolid"]
[Date "1976.08.10"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "De Andres Trelles, Francisco Jose"]
[Result "0-1"]
[ECO "D51"]
[PlyCount "48"]
[EventDate "1976.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. a3 Qa5 7. b4 Qc7 8. e3 b6 9. Bxf6 Nxf6 10. cxd5 exd5 11. Rc1 Bg4 12. Na4 c5 13. Bb5+ Bd7 14. Bxd7+ Nxd7 15. dxc5 bxc5 16. Qxd5 Rd8 17. Ng5 Nf6 18. Qc4 Qd7 19. 0-0 h6 20. Rfd1 Qxd1+ 21. Rxd1 Rxd1+ 22. Qf1 Rxf1+ 23. Kxf1 hxg5 24. bxc5 Kd7 0-1

[Event "Valladolid CC Reloj Justina 05th"]
[Site "Valladolid"]
[Date "1976.08.10"]
[Round "3"]
[White "Prieto Diego, Ceferino"]
[Black "Gonzalez Lopez, Juan Antonio"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "46"]
[EventDate "1976.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 d6 5. Nf3 Bg4 6. e3 Nbd7 7. Be2 Bxf3 8. Bxf3 c6 9. Qb3 Qa5 10. 0-0 Qxg5 11. Qxb7 0-0 12. Qxc6 Nb6 13. Qc7 Rac8 14. Qxe7 Nxc4 15. Qxa7 Nd2 16. Bb7 Nxf1 17. Bxc8 Nxe3 18. g3 Rxc8 19. fxe3 Qxe3+ 20. Kh1 Ng4 21. Rf1 Rf8 22. Qd7 h5 23. Qxd6 Qd2 0-1

[Event "Valladolid CC Reloj Justina 05th"]
[Site "Valladolid"]
[Date "1976.08.06"]
[Round "2"]
[White "Velasco Valentin, Leopoldo"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C08"]
[PlyCount "27"]
[EventDate "1976.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Be6 7. Ngf3 f6 8. Qxe6+ Nge7 9. dxc5 Qa5 10. Nd4 a6 11. Nf5 Kd8 12. Nd6 Kc7 13. b4 Nd4 14. Qd7+ 1-0

[Event "Valladolid CC Social-B 04th"]
[Site "Valladolid"]
[Date "1975.10.27"]
[Round "5"]
[White "Prieto Diego, Ceferino"]
[Black "Mendez Bayon, David"]
[Result "0-1"]
[ECO "A56"]
[PlyCount "48"]
[EventDate "1975.10.13"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 cxd4 5. exd4 Bg7 6. Be3 0-0 7. Nc3 d6 8. h3 b6 9. Ne2 Bb7 10. Nf4 Nbd7 11. b3 e5 12. Ne2 Bxf3 13. gxf3 Nh5 14. Bg2 f5 15. f4 e4 16. h4 d5 17. cxd5 Ndf6 18. Ng3 Nxg3 19. fxg3 Nxd5 20. Qd2 Nxe3 21. Qxe3 Bxd4 22. Qc1 Bxa1 23. Qxa1 Qd3 24. Bf1 Qxg3+ 0-1

[Event "Valladolid CC Social-B 04th"]
[Site "Valladolid"]
[Date "1975.10.23"]
[Round "4"]
[White "Fernandez Lamadrid, Jose Luis"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "63"]
[EventDate "1975.10.13"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Be3 Qb6 6. b3 f6 7. c4 cxd4 8. Nxd4 Nxe5 9. cxd5 Qa5+ 10. Nd2 Qxd5 11. Nb5 Bd6 12. Nxd6+ Qxd6 13. Bf4 Nd3+ 14. Bxd3 Qxf4 15. 0-0 Ne7 16. Bb5+ Kf8 17. Nc4 Nd5 18. Ne3 Qd6 19. Bc4 b5 20. Bxb5 Bb7 21. Qf3 Rb8 22. Rad1 Nc3 23. Qxb7 Rxb7 24. Rxd6 Ke7 25. Ba6 Rb6 26. Rxb6 axb6 27. Rc1 b5 28. Kf1 b4 29. a3 bxa3 30. Rxc3 Rd8 31. Rc6 Kd7 32. Rb6 1-0

[Event "Valladolid CC Social-B 04th"]
[Site "Valladolid"]
[Date "1975.10.20"]
[Round "3"]
[White "Prieto Diego, Ceferino"]
[Black "Carretero Ajo, Jesus"]
[Result "0-1"]
[ECO "D91"]
[PlyCount "100"]
[EventDate "1975.10.13"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 dxc4 8. Qa4+ Bd7 9. Qxc4 Nc6 10. Ng5 0-0 11. e3 e5 12. dxe5 Nxe5 13. Qb3 h6 14. Nf3 Be6 15. Qa3 Nxf3+ 16. gxf3 Qf6 17. Rc1 Rfe8 18. Bg2 Rad8 19. 0-0 a6 20. Bxc7 Rd7 21. Ba5 Bc4 22. Rfe1 Rd2 23. Bc7 Bf8 24. Qa4 b5 25. Qa5 Rxa2 26. Qb6 Qxb6 27. Bxb6 Re6 28. Bd4 a5 29. Bf1 Bxf1 30. Kxf1 b4 31. Ra1 Rxa1 32. Rxa1 Bg7 33. Bxg7 Kxg7 34. cxb4 axb4 35. Rb1 Rb6 36. Rb3 Kf6 37. Ke2 Ke5 38. Kd3 Kd5 39. e4+ Kc5 40. f4 Ra6 41. Rb2 Ra3+ 42. Ke2 Kc4 43. Rc2+ Rc3 44. Rxc3+ Kxc3 45. Kd1 Kb2 46. h4 b3 47. h5 Ka2 48. hxg6 fxg6 49. f5 gxf5 50. exf5 b2 0-1

[Event "Valladolid CC Social-B 04th"]
[Site "Valladolid"]
[Date "1975.10.15"]
[Round "2"]
[White "Abia Herra, Luis Maria"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C12"]
[PlyCount "70"]
[EventDate "1975.10.13"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 c5 5. e5 h6 6. Bh4 g5 7. Bg3 Nfd7 8. Nf3 Nc6 9. Bd3 cxd4 10. Ne2 Qa5+ 11. c3 Bg7 12. b4 Qb6 13. cxd4 Qxb4+ 14. Qd2 Qxd2+ 15. Nxd2 f6 16. Bg6+ Ke7 17. Nf3 fxe5 18. Nxe5 Ndxe5 19. dxe5 Nxe5 20. Bxe5 Bxe5 21. 0-0 Bxa1 22. Rxa1 Bd7 23. Rb1 Bc6 24. Nd4 Rhd8 25. Bd3 a6 26. Rb6 Rd6 27. h3 Rc8 28. Nf3 d4 29. Ne5 Bxg2 30. Ng6+ Kd7 31. Ne5+ Kc7 32. Rxd6 Kxd6 33. Nc4+ Rxc4 34. Bxc4 Bd5 35. Bxd5 Kxd5 0-1

[Event "Valladolid CC Social-B 04th"]
[Site "Valladolid"]
[Date "1975.10.13"]
[Round "1"]
[White "Prieto Diego, Ceferino"]
[Black "Rivero Acedo, Jesus"]
[Result "0-1"]
[ECO "D50"]
[PlyCount "26"]
[EventDate "1975.10.13"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. e4 e6 5. Bg5 Be7 6. Bxc4 Nbd7 7. Nf3 0-0 8. 0-0 a6 9. a4 c5 10. Ne1 Nxe4 11. Bxe7 Nxc3 12. Nc2 Nxd1 13. Bxd8 Nxb2 0-1

[Event "Valladolid CC Reloj Justina 04th"]
[Site "Valladolid"]
[Date "1975.08.27"]
[Round "9"]
[White "Prieto Diego, Ceferino"]
[Black "Tovar, Juan Carlos"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "62"]
[EventDate "1975.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 g6 2. c4 d6 3. Nf3 Bg7 4. Bg5 Nc6 5. h3 Nf6 6. Nc3 0-0 7. Qd2 Bf5 8. Nh4 Qd7 9. Bxf6 Bxf6 10. Nxf5 Qxf5 11. e4 Qd7 12. d5 Nd4 13. 0-0-0 a6 14. Kb1 b5 15. f4 bxc4 16. Bxc4 Rfb8 17. Rhe1 Nb5 18. e5 Na3+ 19. Kc1 Nxc4 20. Qd4 dxe5 21. Qxc4 exf4 22. Qxf4 Bxc3 23. bxc3 Qb5 24. Kd2 Qxd5+ 25. Ke2 Qxg2+ 26. Kd3 Qxh3+ 27. Kc2 Qg2+ 28. Kd3 Rd8+ 29. Kc4 Qxa2+ 30. Kc5 Qa5+ 31. Kc4 Qb5# 0-1

[Event "Valladolid CC Reloj Justina 04th"]
[Site "Valladolid"]
[Date "1975.08.26"]
[Round "8"]
[White "Caballero Gallego, Jose Maria"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "47"]
[EventDate "1975.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. g3 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. d4 Qb6 7. Bg2 h6 8. 0-0 Rc8 9. a3 f6 10. Bf4 Qxb2 11. Nbd2 Qxc3 12. Qb1 Na5 13. Rc1 Qxc1+ 14. Qxc1 cxd4 15. Qb1 g5 16. Qg6+ Ke7 17. exf6+ Nxf6 18. Be5 Ne4 19. Bxh8 d3 20. Qh7+ Kd6 21. Nxe4+ dxe4 22. Qxe4 Bb5 23. Qe5+ Kc6 24. Nd4+ 1-0

[Event "Valladolid CC Reloj Justina 04th"]
[Site "Valladolid"]
[Date "1975.08.22"]
[Round "7"]
[White "Prieto Diego, Ceferino"]
[Black "March, Ramon"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "96"]
[EventDate "1975.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d6 3. Nd2 Nc6 4. Nb3 Bf5 5. a3 Ne4 6. Nf3 Nxg5 7. Nxg5 h6 8. Nf3 e6 9. Nc1 Be7 10. c4 Bf6 11. e3 0-0 12. Qb3 b6 13. Nd3 Na5 14. Qb5 a6 15. Qa4 Re8 16. b4 Nxc4 17. Ra2 e5 18. Nc1 b5 19. Qd1 Bg4 20. a4 exd4 21. Bxc4 bxc4 22. Re2 dxe3 23. fxe3 Bc3+ 24. Nd2 Rxe3 25. 0-0 Bxe2 26. Nxe2 Bxb4 27. Nxc4 Re7 28. Nd4 Qe8 29. Nf3 Bc5+ 30. Kh1 Qd7 31. Qd5 Rae8 32. Nb2 Re2 33. Nd3 Qe6 34. Qh5 Qg6 35. Qxg6 fxg6 36. Nf4 Ra2 37. Nxg6 Rxa4 38. h3 Kh7 39. Nfh4 d5 40. Rf7 Ra1+ 41. Kh2 Bd6+ 42. Nf4 Rf8 43. Rxf8 Bxf8 44. Nxd5 Bd6+ 45. g3 h5 46. Nf3 h4 47. Nc3 Ra3 48. Nxh4 Rxc3 0-1

[Event "Valladolid CC Reloj Justina 04th"]
[Site "Valladolid"]
[Date "1975.08.14"]
[Round "5"]
[White "Gomez, Julio Enrique"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "E00"]
[PlyCount "99"]
[EventDate "1975.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Bg5 h6 4. Bh4 Be7 5. Nc3 0-0 6. Nf3 c5 7. dxc5 Qa5 8. e3 Nc6 9. Qc2 Ng4 10. Bxe7 Nxe7 11. Bd3 f5 12. 0-0 Qxc5 13. Rfe1 b6 14. e4 Bb7 15. h3 Ne5 16. Nxe5 Qxe5 17. exf5 Qf6 18. fxe6 dxe6 19. Be4 Bc6 20. f3 Rad8 21. Qe2 Bxe4 22. Qxe4 Nf5 23. Qxe6+ Kh8 24. Qxf6 gxf6 25. Rad1 Nd6 26. b3 a6 27. Re6 Nc8 28. Rxd8 Rxd8 29. Rxf6 Kg7 30. Rf5 Kg6 31. g4 Rd3 32. Ne4 Rd1+ 33. Kf2 Ra1 34. Rf8 Rxa2+ 35. Ke3 Na7 36. Rf6+ Kg7 37. Rxb6 Nc8 38. Rb7+ Kg6 39. c5 a5 40. c6 a4 41. bxa4 Rxa4 42. Kd3 Ra3+ 43. Nc3 Kg5 44. Kd4 Kf4 45. Rf7+ Kg3 46. c7 Kxh3 47. Rf8 Ne7 48. c8Q Nxc8 49. Rxc8 Kg3 50. Rg8 1-0

[Event "Valladolid CC Reloj Justina 04th"]
[Site "Valladolid"]
[Date "1975.08.12"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "Carretero Ajo, Jesus"]
[Result "0-1"]
[ECO "E30"]
[PlyCount "54"]
[EventDate "1975.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Bb4+ 4. Nc3 h6 5. Bh4 c5 6. e3 cxd4 7. exd4 Qa5 8. Qf3 Ne4 9. Nge2 Nxc3 10. Nxc3 Nc6 11. Qe3 0-0 12. Bd3 Bxc3+ 13. Ke2 Nxd4+ 14. Kf1 Bxb2 15. Rd1 Qh5 16. Bh7+ Kxh7 17. Rxd4 Bxd4 18. Qxd4 e5 19. Qd3+ Kh8 20. g3 g5 21. Qf5 d6 22. Qf6+ Kg8 23. Rg1 Qd1+ 24. Kg2 Bh3+ 25. Kh1 Qd3 26. Qxh6 Qf3+ 27. Rg2 Qxg2# 0-1

[Event "Valladolid CC Reloj Justina 04th"]
[Site "Valladolid"]
[Date "1975.08.07"]
[Round "3"]
[White "Gonzalez Lopez, Juan Antonio"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "67"]
[EventDate "1975.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 h6 3. Be2 d5 4. exd5 exd5 5. d4 c5 6. 0-0 Nf6 7. Be3 Qb6 8. b3 Nc6 9. Re1 Ne4 10. dxc5 Bxc5 11. Qxd5 0-0 12. Qxe4 Ne7 13. Nh4 Bxe3 14. fxe3 Qf6 15. Bd3 g6 16. Nd2 Bf5 17. Nxf5 Nxf5 18. Rf1 Rae8 19. Qg4 Kh8 20. Bxf5 gxf5 21. Qd4 Qxd4 22. exd4 Re2 23. Rad1 Rg8 24. Rf2 Rxf2 25. Kxf2 Kg7 26. Nc4 Kf6 27. Rd2 Rg4 28. d5 Rf4+ 29. Ke3 Re4+ 30. Kf3 Re7 31. d6 Rd7 32. Kf4 b5 33. Ne3 Ke6 34. Nxf5 1-0

[Event "Valladolid CC Reloj Justina 04th"]
[Site "Valladolid"]
[Date "1975.08.04"]
[Round "2"]
[White "Prieto Diego, Ceferino"]
[Black "Gil Matilla, Constantino"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "43"]
[EventDate "1975.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. f3 d5 3. Bg5 e6 4. e4 dxe4 5. fxe4 h6 6. Bxf6 Qxf6 7. Nf3 c5 8. c3 cxd4 9. Bb5+ Bd7 10. Bxd7+ Nxd7 11. cxd4 Bb4+ 12. Nbd2 0-0 13. Qa4 Bxd2+ 14. Kxd2 Qf4+ 15. Kd3 Rfd8 16. Rac1 b6 17. Rhf1 Nc5+ 18. Rxc5 bxc5 19. Qd1 cxd4 20. Nxd4 Rxd4+ 21. Kc3 Qc7+ 22. Kxd4 0-1

[Event "Valladolid CC Social 03rd"]
[Site "Valladolid"]
[Date "1974.10.30"]
[Round "9"]
[White "Prieto Diego, Ceferino"]
[Black "Bejarano Nieto, Adrian"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "21"]
[EventDate "1974.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 e6 5. Nf3 Bd6 6. Bg5 h6 7. Bxf6 Qxf6 8. e4 Nxd4 9. exd5 exd5 10. Nxd5 Qe5+ 11. Ne3 1/2-1/2

[Event "Valladolid CC Social 03rd"]
[Site "Valladolid"]
[Date "1974.10.28"]
[Round "8"]
[White "Hernandez Romero, Juan"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "23"]
[EventDate "1974.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Qb6 7. dxc5 Qa5+ 8. Bd2 Qxc5 9. 0-0 h6 10. Nc3 g5 11. Rc1 Qb6 12. Nxd5 1-0

[Event "Valladolid CC Social 03rd"]
[Site "Valladolid"]
[Date "1974.10.25"]
[Round "7"]
[White "Prieto Diego, Ceferino"]
[Black "Bustamante Bustillo, Angel"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "90"]
[EventDate "1974.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Qd3 e6 5. Bg5 Be7 6. g3 Ng4 7. Bxe7 Qxe7 8. Nf3 Nd7 9. c5 e5 10. Bh3 e4 11. Qc2 Ndf6 12. Bxg4 Nxg4 13. Nh4 0-0 14. e3 Nf6 15. 0-0-0 b6 16. Na4 Ba6 17. Nf5 Qd7 18. Nd6 Bd3 19. Rxd3 exd3 20. Qxd3 b5 21. Nc3 a5 22. a4 b4 23. Na2 g6 24. f3 Ne8 25. Nxe8 Rfxe8 26. h4 Re6 27. Rh2 Qc7 28. f4 Rae8 29. Re2 Re4 30. Kd2 Qc8 31. Nc1 Qg4 32. Qa6 Qxg3 33. Nd3 Rxe3 34. Ne5 Rxe2+ 35. Kxe2 Qg2+ 36. Ke3 Qe4+ 37. Kf2 Qxd4+ 38. Kf3 Qxc5 39. Qb7 Qe7 40. Qxc6 d4 41. Kg4 d3 42. Nxd3 h5+ 43. Kg3 Qe3+ 44. Qf3 Qg1+ 45. Kh3 Re3 0-1

[Event "Valladolid CC Social 03rd"]
[Site "Valladolid"]
[Date "1974.10.21"]
[Round "5"]
[White "Prieto Diego, Ceferino"]
[Black "Carretero Ajo, Jesus"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "82"]
[EventDate "1974.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Nc6 5. Qb3 Bb4 6. Bd2 0-0 7. Bd3 Re8 8. Nge2 Ng4 9. cxd5 Bxc3 10. Nxc3 exd5 11. Nxd5 Nxd4 12. Qa4 Re5 13. Nxc7 Qxc7 14. Qxd4 b6 15. Bxh7+ Kxh7 16. f4 Re8 17. h3 Nh6 18. Rc1 Qb7 19. 0-0 Nf5 20. Qd3 Kg8 21. Be1 Nxe3 22. Rf2 Bf5 23. Qd2 Rad8 24. Qe2 Rd6 25. Bd2 Qe4 26. Rf3 Rd3 27. g4 Qd4 28. Bc3 Qc5 29. Kh1 Qc4 30. Qh2 Qe4 31. Qg3 Qxf3+ 32. Qxf3 Be4 33. Qxe4 Rxe4 34. Bb4 Rd1+ 35. Rxd1 Nxd1 36. Bd6 Nf2+ 37. Kg2 Rd4 38. Kxf2 Rxd6 39. b3 Rd2+ 40. Ke3 Rxa2 41. Ke4 Rb2 0-1

[Event "Valladolid CC Social 03rd"]
[Site "Valladolid"]
[Date "1974.10.18"]
[Round "4"]
[White "Prieto Diego, Ceferino"]
[Black "Alvarez Olarte, Benito"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "56"]
[EventDate "1974.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. b3 d5 3. Bb2 g6 4. e3 Bg7 5. Bd3 0-0 6. Na3 a6 7. c4 Nc6 8. Nf3 Bg4 9. Nc2 e5 10. dxe5 Nxe5 11. Bxe5 c5 12. Qe2 Re8 13. Bb2 Ne4 14. Bxg7 Kxg7 15. Rd1 Nc3 16. Qd2 Nxd1 17. Qxd1 Qa5+ 18. Qd2 Qxa2 19. 0-0 Bxf3 20. gxf3 Qxb3 21. Na1 Qb6 22. Qc3+ d4 23. Rb1 Qf6 24. Qc2 Qxf3 25. Be2 Qh3 26. Bf1 Qg4+ 27. Bg2 Re5 28. Nb3 Rg5 0-1

[Event "Valladolid CC Social 03rd"]
[Site "Valladolid"]
[Date "1974.10.16"]
[Round "3"]
[White "Garcia Macho, Alberto"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "E40"]
[PlyCount "35"]
[EventDate "1974.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. Bd3 dxc4 6. Bxc4 Ne4 7. Nge2 Qf6 8. 0-0 0-0 9. Nxe4 Qh4 10. N4c3 Bd6 11. Ng3 e5 12. dxe5 Bxe5 13. Qb3 Nc6 14. f4 Na5 15. Qb5 Nxc4 16. Qxc4 Be6 17. Qe4 f5 18. Qxe5 1-0

[Event "Valladolid CC Social 03rd"]
[Site "Valladolid"]
[Date "1974.10.14"]
[Round "2"]
[White "Prieto Diego, Ceferino"]
[Black "Garcia Martinez, Napoleon"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "86"]
[EventDate "1974.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 e6 5. Bg5 h6 6. Bf4 Bd6 7. Ne5 0-0 8. Bg2 Ne7 9. e4 Bb4 10. 0-0 Bxc3 11. bxc3 dxe4 12. Re1 Ned5 13. Qd2 b6 14. Bxe4 Nxe4 15. Rxe4 Nf6 16. Qe3 Bb7 17. f3 Bxe4 18. fxe4 Nh7 19. Ng4 Nf6 20. Nxh6+ gxh6 21. Bxh6 Ng4 22. Qf4 Nxh6 23. Qxh6 Qe7 24. e5 f6 25. Re1 f5 26. c4 Rf7 27. d5 exd5 28. cxd5 Qc5+ 29. Kh1 Qxd5+ 30. Kg1 Qd4+ 31. Kf1 f4 32. e6 Rf6 33. Qg5+ Kf8 34. e7+ Kf7 35. Qh5+ Kg7 36. e8Q Rxe8 37. Rxe8 fxg3+ 38. Kg2 Qf2+ 39. Kh3 Qf1+ 40. Kh4 Rf4+ 41. Kxg3 Qf2+ 42. Kh3 Rf3+ 43. Kg4 Qg2+ 0-1

[Event "Valladolid CC Social 03rd"]
[Site "Valladolid"]
[Date "1974.10.11"]
[Round "1"]
[White "Prieto Hernandez, Jesus"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "85"]
[EventDate "1974.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. exd5 exd5 5. dxc5 Bxc5 6. Qxd5 Qe7+ 7. Qe4 Be6 8. Bb5+ Nd7 9. Nge2 Rb8 10. Bf4 Ngf6 11. Bxd7+ Qxd7 12. Qa4 b5 13. Qa5 Bb6 14. Qb4 a5 15. Qd6 Qxd6 16. Bxd6 Rb7 17. 0-0 b4 18. Na4 Ne4 19. Nxb6 Rxb6 20. Be5 0-0 21. f3 Nd2 22. Rfd1 Nc4 23. Bd4 Rb5 24. b3 Na3 25. c4 Nxc4 26. bxc4 Bxc4 27. Ng3 a4 28. Ne4 Rd5 29. Bc5 Rxd1+ 30. Rxd1 Rb8 31. Bxb4 f5 32. Bd6 Rb2 33. Nc3 Rc2 34. Nxa4 Rxa2 35. Nc3 Rc2 36. Be5 Kf7 37. f4 h6 38. Rd7+ Kg6 39. Rxg7+ Kh5 40. h3 Kh4 41. Bf6+ Kh5 42. g4+ fxg4 43. hxg4# 1-0

[Event "Valladolid CC Reloj Justina 03rd"]
[Site "Valladolid"]
[Date "1974.07.20"]
[Round "6"]
[White "Prieto Diego, Ceferino"]
[Black "Garcia Martinez, Napoleon"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "34"]
[EventDate "1974.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 Nc6 5. Bb5 Bd7 6. d5 Ne7 7. Bd3 g6 8. Bg5 Bg7 9. Nh4 c6 10. f4 exf4 11. Bxf4 Nc8 12. 0-0 0-0 13. Qd2 cxd5 14. e5 dxe5 15. Bg3 e4 16. Be2 b5 17. Be5 Nb6 0-1

[Event "Valladolid CC Reloj Justina 03rd"]
[Site "Valladolid"]
[Date "1974.07.15"]
[Round "5"]
[White "Prieto Herrero, Luis Miguel"]
[Black "Prieto Diego, Ceferino"]
[Result "0-1"]
[ECO "C20"]
[PlyCount "14"]
[EventDate "1974.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 Nc6 2. Bc4 e5 3. Qh5 Qf6 4. Nc3 Bc5 5. d4 Nxd4 6. Nd5 Nxc2+ 7. Kf1 Qxf2# 0-1

[Event "Valladolid CC Reloj Justina 03rd"]
[Site "Valladolid"]
[Date "1974.07.11"]
[Round "4"]
[White "Lucio Peris, Feliciano"]
[Black "Prieto Diego, Ceferino"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "65"]
[EventDate "1974.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4 4. Qd3 Bg4 5. Qb5+ Nc6 6. Qxb7 Bd7 7. b3 Nxg5 8. Nxg5 Nxd4 9. Kd1 e6 10. h4 Bc5 11. b4 Rb8 12. Qa6 Bb5 13. Qa3 Bxb4 14. Qb2 0-0 15. Qxd4 c5 16. Qg4 Qf6 17. c3 Rbc8 18. Kd2 h5 19. Qf3 Qd4+ 20. Ke1 Qe5 21. Rh3 f6 22. Qxh5 fxg5 23. hxg5 Be8 24. Qh8+ Kf7 25. Rf3+ Ke7 26. Qxf8+ Kd7 27. Re3 Qxg5 28. cxb4 cxb4 29. Nd2 d4 30. Rd3 e5 31. Ne4 Rc1+ 32. Rd1 Rxa1 33. Nxg5 1-0

