[Event "Valladolid CC Navidad op"]
[White "Calvo, Alberto"]
[Black "Samos Hernandez, Abraham"]
[Site "Valladolid"]
[Round "6"]
[Result "0-1"]
[Date "1989.12.30"]
[ECO "A52"]
[PlyCount "70"]
[EventDate "1989.12.25"]
[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 e5 3. dxe5 Ng4 4. e4 Nxe5 5. Nc3 Bc5 6. Be2 Nbc6 7. Nf3 d6 8. h3 Be6 9. b3 Qf6 10. Bb2 Bb4 11. Rc1 Qg6 12. Nxe5 Nxe5 13. Bf3 0-0 14. a3 Ba5 15. b4 Nxc4 16. bxa5 Nxb2 17. Qc2 Nc4 18. Nd5 Bxd5 19. exd5 Ne5 20. Qxg6 fxg6 21. Be4 Rac8 22. 0-0 g5 23. Rc3 c5 24. dxc6 bxc6 25. Rfc1 c5 26. Rb1 Rfd8 27. Bd5+ Kf8 28. Rb7 Rd7 29. a6 Rcc7 30. Rcb3 Ke7 31. Rg3 h6 32. h4 c4 33. hxg5 hxg5 34. Rc3 Rc5 35. f3 Rxd5 0-1

[Event "Valladolid CC Navidad op"]
[White "Nieto Alba, Santiago"]
[Black "Calvo, Alberto"]
[Site "Valladolid"]
[Round "5"]
[Result "0-1"]
[Date "1989.12.29"]
[ECO "B87"]
[PlyCount "54"]
[EventDate "1989.12.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Be7 8. Be3 0-0 9. f4 b5 10. Bb3 Nbd7 11. a3 Nc5 12. Nc6 Qc7 13. Nxe7+ Qxe7 14. e5 dxe5 15. fxe5 Nfd7 16. Ba2 Nxe5 17. Bd4 Rd8 18. Qe2 Rxd4 19. Qxe5 Rd2 20. b4 Bb7 21. Rf2 Rxf2 22. Kxf2 Qh4+ 23. Kg1 Ne4 24. Qd4 Rd8 25. Qe3 Nxc3 26. Qxc3 Qe4 27. Qh3 Qd4+ 0-1

[Event "Valladolid CC Navidad op"]
[White "Calvo, Alberto"]
[Black "Hernandez Velasco, Jesus"]
[Site "Valladolid"]
[Round "4"]
[Result "1-0"]
[Date "1989.12.28"]
[ECO "D60"]
[PlyCount "93"]
[EventDate "1989.12.25"]
[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 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Bd3 h6 8. Bxf6 Bxf6 9. cxd5 Nb6 10. dxe6 fxe6 11. 0-0 Nd5 12. Ne2 b6 13. Bc4 Be7 14. Ne5 Bd6 15. Ng6 Rf6 16. Qc2 Qe8 17. Ne5 Bb7 18. Ng3 Nb4 19. Qb3 Nc6 20. Ne4 Rf8 21. Bxe6+ Kh8 22. Bd7 Na5 23. Bxe8 Nxb3 24. Nxd6 Nxa1 25. Ng6+ Kg8 26. Nxf8 Kxf8 27. Nxb7 Kxe8 28. Rxa1 Rb8 29. d5 Rxb7 30. Rc1 Kd7 31. f3 Rb8 32. Rc6 Re8 33. Re6 c5 34. Rxe8 Kxe8 35. Kf2 Ke7 36. e4 Kd6 37. Ke3 b5 38. Kd3 c4+ 39. Kc3 Kc5 40. b3 b4+ 41. Kc2 c3 42. f4 a5 43. f5 h5 44. g3 Kd6 45. h3 Ke5 46. g4 hxg4 47. hxg4 1-0

[Event "Valladolid CC Navidad op"]
[White "Mateo Mateo, Angel"]
[Black "Calvo, Alberto"]
[Site "Valladolid"]
[Round "2"]
[Result "1-0"]
[Date "1989.12.26"]
[ECO "A45"]
[PlyCount "81"]
[EventDate "1989.12.25"]
[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 g6 3. Nc3 Bg7 4. Bg5 d6 5. Bxf6 exf6 6. e3 0-0 7. Bd3 Nd7 8. Nge2 c5 9. 0-0 Re8 10. Ng3 f5 11. Nge2 b6 12. Rb1 Qh4 13. Bc2 Nf6 14. h3 Bb7 15. d5 Qxc4 16. Bb3 Qh4 17. Nf4 Ne4 18. Kh2 Nxf2 19. Rxf2 Rxe3 20. Rf3 Rxf3 21. Qxf3 Be5 22. Nce2 g5 23. g3 Qh6 24. Qh5 Qxh5 25. Nxh5 Re8 26. Kg1 h6 27. h4 gxh4 28. gxh4 Ba6 29. Nef4 Bxf4 30. Nxf4 Re4 31. Ng2 f4 32. Re1 Rd4 33. Kf2 Rd2+ 34. Kf3 Rxb2 35. Nxf4 c4 36. Re8+ Kg7 37. Ba4 b5 38. Bd1 c3 39. Nh5+ Kg6 40. Kf4 c2 41. Rg8+ 1-0

[Event "Valladolid CC Navidad op"]
[White "Calvo, Alberto"]
[Black "Ortega Lozano, Miguel Angel"]
[Site "Valladolid"]
[Round "1"]
[Result "0-1"]
[Date "1989.12.25"]
[ECO "E16"]
[PlyCount "62"]
[EventDate "1989.12.25"]
[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. Nf3 b6 4. g3 Ba6 5. Nbd2 Bb7 6. Bg2 Be7 7. 0-0 0-0 8. Qc2 d6 9. e4 c5 10. d5 exd5 11. exd5 Nbd7 12. Re1 Re8 13. b3 Qc7 14. Bb2 b5 15. Ng5 h6 16. Nxf7 Kxf7 17. Bh3 Nf8 18. Ne4 Bc8 19. Nxf6 Bxf6 20. Rxe8 Kxe8 21. Qe4+ Kf7 22. Bxf6 Bxh3 23. Bb2 Re8 24. Qf3+ Kg8 25. g4 Qf7 26. Qxh3 Re2 27. Bc3 Qxf2+ 28. Kh1 Re3 29. Be1 Rxe1+ 30. Rxe1 Qxe1+ 31. Kg2 Ng6 0-1

