| ECO B14 in 2006 play it! vajda szidonia defeats black's hoang thi bao tr in 51 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 Nb6 9. Bb3 N8d7 10. O-O O-O 11. Re1 Nf6 12. Ne5 Bd7 13. Qf3 Bc6 14. Nxc6 bxc6 15. Qxc6 Qxd4 16. Be3 Qd7 17. Qf3 Rfc8 18. Rac1 h6 19. h3 Qe8 20. Bd4 Rd8 21. Rcd1 Rd6 22. a4 Nbd5 23. Nxd5 Nxd5 24. Bc5 Rdd8 25. Rxd5 Bxc5 26. Rxc5 |
| ECO B14 in 2002 play it! vajda szidonia defeats black's bednay dezso in 63 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 O-O 9. Bd3 Nd7 10. O-O N7f6 11. Ne5 Bd7 12. a3 Be7 13. Qe2 Rc8 14. Nxd5 Nxd5 15. Qe4 g6 16. Bh6 Re8 17. Qf3 Bf6 18. Be4 Bc6 19. Rac1 Qe7 20. Rc2 Bg7 21. Bxg7 Kxg7 22. Rfc1 Bd7 23. Rxc8 Rxc8 24. Rxc8 Bxc8 25. Bxd5 exd5 26. Qxd5 Bf5 27. Qc5 Qg5 28. Nf3 Qf4 29. d5 Be4 30. Qd4+ Kf8 31. Nd2 f5 32. f3 |
| ECO B07 in 1998 play it! vajda szidonia defeats black's klinova masha in 55 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. a4 Nbd7 5. h3 e5 6. Nf3 Be7 7. Bc4 O-O 8. Ba2 exd4 9. Nxd4 d5 10. exd5 Nxd5 11. Nxd5 cxd5 12. O-O Nc5 13. c3 Bf6 14. Be3 Bd7 15. Bxd5 Nxa4 16. Qf3 Qc7 17. Bxb7 Rab8 18. Be4 Rxb2 19. Rxa4 Bxa4 20. Qf5 Rd8 21. Qxh7+ Kf8 22. Nf5 Ke8 23. Nxg7+ Bxg7 24. Qxg7 Qd6 25. Bg5 Rc8 26. Re1 Bd7 27. Qh8+ Qf8 28. Bc6+ |
| ECO B08 in 1999 play it! vajda szidonia defeats black's gritsayeva oksan in 81 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nc6 7. d5 Nb4 8. h3 a5 9. a3 Na6 10. Be3 c6 11. Qd2 Bd7 12. Bh6 Qc7 13. Bxg7 Kxg7 14. Qd4 Kg8 15. Rac1 cxd5 16. Nxd5 Nxd5 17. exd5 Qc5 18. Qh4 Kg7 19. Qxe7 Rae8 20. Qxd7 Rxe2 21. Qxb7 Nc7 22. b4 axb4 23. axb4 Qc4 24. Qc6 Qxc6 25. dxc6 Rb8 26. Nd4 Re4 27. c3 Ne6 28. b5 Nc7 29. Rfd1 Nxb5 30. Rb1 Nxd4 31. Rxb8 Nxc6 32. Rb6 Na5 33. Rbxd6 Rc4 34. R1d3 Nb3 35. Rd7 Rf4 36. Rc7 Nc1 37. Re3 Nb3 38. g3 Rf5 39. Kg2 Nd2 40. Rd3 Ne4 41. Rf3 |
| ECO B07 in 2002 play it! vajda szidonia defeats black's vukovic ivo in 67 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 e5 7. h3 c6 8. a4 Re8 9. O-O a5 10. Be3 Na6 11. Qd2 Nb4 12. Rad1 Qe7 13. f4 exd4 14. Bxd4 d5 15. e5 Nd7 16. g4 f6 17. exf6 Bxf6 18. Rde1 Qg7 19. g5 Bxd4+ 20. Nxd4 Rxe1 21. Rxe1 Nf8 22. Re8 Qd7 23. Qe2 Kf7 24. Re5 Qd6 25. Nd1 Bd7 26. Nf2 Re8 27. c3 Na6 28. Rxe8 Bxe8 29. Ng4 Qxf4 30. Nh6+ Kg7 31. Qe7+ Bf7 32. Ndf5+ Qxf5 33. Nxf5+ gxf5 34. Qxb7 |
| ECO B07 in 2001 play it! vajda szidonia defeats black's franciskovic d in 73 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e5 6. Nge2 Nc6 7. dxe5 dxe5 8. Bg5 h6 9. Qxd8+ Kxd8 10. O-O-O+ Bd7 11. Bxf6+ Bxf6 12. Bh3 Nd4 13. Bxd7 Kxd7 14. Nb5 c6 15. Nbxd4 exd4 16. f4 Kc7 17. e5 Be7 18. Rxd4 Rad8 19. Rxd8 Rxd8 20. Rd1 Bc5 21. Rxd8 Kxd8 22. Kd2 Ke7 23. Kd3 Ke6 24. Nd4+ Ke7 25. Ke4 f5+ 26. exf6+ Kxf6 27. a4 Bd6 28. Nb3 Bc7 29. Nc5 b5 30. b3 Ke7 31. Nd3 bxa4 32. bxa4 g5 33. Kf5 gxf4 34. gxf4 Kf7 35. Ne5+ Kg7 36. Nxc6 a6 37. c4 |
| ECO B07 in 2000 play it! vajda szidonia defeats black's horvath julia in 87 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. h3 c6 8. a4 Qc7 9. Ba2 b6 10. Bg5 exd4 11. Nxd4 Nc5 12. Re1 Be6 13. Bxe6 Nxe6 14. Be3 Nxd4 15. Bxd4 Nd7 16. Qd2 Bf6 17. Rad1 Rad8 18. Bxf6 Nxf6 19. Qf4 Rfe8 20. Re3 h6 21. Red3 Re6 22. f3 Qe7 23. Rd4 Ne8 24. Rc4 Qb7 25. b3 a6 26. Rcd4 b5 27. Kh2 Qb6 28. Kh1 Qc5 29. Qd2 Rc8 30. Ne2 Qg5 31. Qa5 Rg6 32. Rg1 Nc7 33. f4 Qc5 34. Qd2 bxa4 35. Rxa4 Re6 36. Qd3 Qf2 37. Nd4 Ree8 38. Rf1 Qh4 39. Nf5 Qf6 40. Nxd6 Red8 41. e5 Qe6 42. Qg3 Rb8 43. f5 Qd5 44. Rg4 |
| ECO B08 in 1999 play it! vajda szidonia defeats black's foisor cristina in 127 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Bg4 7. Be3 Nc6 8. d5 Nb8 9. Nd2 Bxe2 10. Qxe2 c6 11. Nf3 Re8 12. Rfd1 cxd5 13. exd5 Nbd7 14. Bd4 a6 15. Ne4 Nxe4 16. Qxe4 Nf6 17. Qd3 Qd7 18. a4 Rac8 19. c4 Qf5 20. Qxf5 gxf5 21. Rac1 Bh6 22. Be3 Bxe3 23. fxe3 Ne4 24. b4 Kg7 25. Nd2 Nxd2 26. Rxd2 a5 27. Rb2 axb4 28. Rxb4 Rc7 29. Rf1 e6 30. dxe6 fxe6 31. Rd1 Rd8 32. Rb6 Rxc4 33. Rbxd6 Rxd6 34. Rxd6 Kf6 35. Rb6 Rxa4 36. Rxb7 h5 37. Rb2 Ke5 38. Kf2 Ke4 39. g3 e5 40. Rd2 Ra1 41. Rb2 Kd3 42. Rb3+ Kc4 43. Rb2 Ra5 44. e4 Kc3 45. Re2 Kd3 46. Kf3 Ra1 47. exf5 Rf1+ 48. Rf2 Ra1 49. f6 Ra7 50. Re2 Rf7 51. Rxe5 Rxf6+ 52. Kg2 Rh6 53. Kh3 Kd4 54. Rg5 Ke4 55. Kh4 Kf3 56. Rxh5 Rg6 57. Rf5+ Kg2 58. g4 Rh6+ 59. Rh5 Ra6 60. Rb5 Rh6+ 61. Kg5 Rh8 62. Kf6 Kf3 63. g5 Rxh2 64. g6 |
| ECO B07 in 1998 play it! vajda szidonia defeats black's bogza adina in 91 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 e5 7. h3 Nc6 8. Be3 exd4 9. Nxd4 Bd7 10. O-O Re8 11. Re1 Nxd4 12. Bxd4 c5 13. Be3 Bc6 14. Bf4 Qb6 15. Rb1 Rad8 16. Bg5 Re6 17. Bxf6 Bxf6 18. Nd5 Bxd5 19. Qxd5 Re5 20. Qd2 c4 21. c3 h5 22. Kh1 Ra5 23. a3 Qc5 24. Rbd1 Rb5 25. Qe2 Qg5 26. h4 Qg4 27. Kh2 Be5 28. f4 Bf6 29. Qf2 Qc8 30. Rd2 Qc7 31. Red1 Ra5 32. e5 Be7 33. Rd4 b6 34. Qd2 Qd7 35. exd6 Bf6 36. Rd5 Qg4 37. Qf2 Rxd5 38. Rxd5 Qe6 39. Qd2 Bg7 40. Bh3 f5 41. Bf1 Qe4 42. d7 Bf6 43. Rd6 Kf7 44. Bg2 Qb1 45. Qd5+ Kg7 46. Qe6 |
| ECO B07 in 1995 play it! vajda szidonia defeats black's tsalugelashvili in 74 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. Ba2 Qc7 9. Bg5 b6 10. Re1 Bb7 11. Qe2 h6 12. Bh4 g6 13. Rad1 Kg7 14. Qc4 Rac8 15. dxe5 dxe5 16. b4 a6 17. Rd3 b5 18. axb5 axb5 19. Qb3 Nb8 20. Red1 Nh5 21. Bxe7 Qxe7 22. Rd6 Nf6 23. R6d2 Na6 24. Qb2 Qxb4 25. Qa1 Qe7 26. Ne2 Rfe8 27. Ng3 Nc5 28. Qb2 Na4 29. Qb3 c5 30. c4 Qe6 31. Qe3 b4 32. Nh4 Ng4 33. Qf3 h5 34. Rd6 Nc3 35. Rxe6 Rxe6 36. h3 Nf6 37. Ngf5+ Kf8 |
| ECO B07 in 2003 play it! vajda szidonia defeats black's korosparti sando in 87 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 c6 7. a4 e5 8. O-O a5 9. h3 Nbd7 10. Be3 Qc7 11. g4 Nb6 12. b3 d5 13. dxe5 Nxe4 14. f4 Nxc3 15. Nxc3 f6 16. Bc5 Re8 17. Bd6 Qd8 18. Qf3 fxe5 19. fxe5 Be6 20. Rae1 Nc8 21. Ba3 Ne7 22. Qg3 Qd7 23. Ne2 Rf8 24. Nf4 g5 25. Nh5 Rxf1+ 26. Bxf1 Rf8 27. Nf6+ Rxf6 28. exf6 Bxf6 29. Bd3 Bf7 30. Qf2 Kg7 31. Bxh7 Qc7 32. Bd3 Ng6 33. Bxg6 Bxg6 34. Bf8+ Kxf8 35. Qxf6+ Bf7 36. Qh6+ Kg8 37. Qxg5+ Kh7 38. Qe3 Qd6 39. Rf1 Bg6 40. Qf2 Qe5 41. Qf4 Qe7 42. Rf2 Qe1+ 43. Kh2 Qe7 44. g5 |
| ECO B07 in 1993 play it! vajda szidonia defeats black's zamfirescu bogda in 79 moves | 1. e4 d6 2. Nf3 Nd7 3. d4 c6 4. a4 g6 5. g3 Bg7 6. Bg2 Ngf6 7. Nc3 O-O 8. O-O c5 9. dxc5 Nxc5 10. Qe2 Be6 11. Rd1 Qc8 12. Nd4 Bg4 13. f3 Bd7 14. Be3 Re8 15. Qd2 a6 16. Nde2 Qc7 17. Nf4 Rad8 18. a5 Qb8 19. Rab1 Rc8 20. Nfd5 Na4 21. Nxa4 Bxa4 22. b3 Nxd5 23. Qxd5 Bc6 24. Qd2 Rcd8 25. c4 e6 26. Bb6 Rd7 27. Qf2 Bf6 28. b4 Ba4 29. Rd3 Rde7 30. Qa2 Bd7 31. Qd2 Rc8 32. Rxd6 Be8 33. Rd8 Bc3 34. Qd3 Rd7 35. Rxd7 Bxd7 36. Qxd7 Rxc4 37. f4 e5 38. Qd5 Rc6 39. fxe5 Bxe5 40. Rf1 |
| ECO B01 in 2000 play it! vajda szidonia defeats black's ardeleanu alin in 53 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 c6 6. Bd2 Qc7 7. Qe2 Nbd7 8. Nf3 Nb6 9. Bb3 Bg4 10. Bxf7+ Kxf7 11. Ne5+ Qxe5 12. Qxe5 Nc4 13. Qf4 g5 14. Qxg5 Rd8 15. Be3 Rg8 16. Qf4 Bh5 17. h3 Rxg2 18. Ne4 Rd5 19. Ng3 Nxe3 20. Qxe3 e5 21. Nxh5 exd4 22. Qf3 Rg6 23. Nf4 Re5+ 24. Kf1 Rgg5 25. Re1 Rxe1+ 26. Kxe1 Rf5 27. Qb3+ |
| ECO B01 in 1999 play it! vajda szidonia defeats black's vo hong phuong in 69 moves | 1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Bf5 5. d4 Nxd5 6. Nf3 e6 7. O-O Be7 8. c4 Nb6 9. Nc3 O-O 10. Qb3 c5 11. Be3 Na6 12. Rfd1 Qc8 13. a3 cxd4 14. Nxd4 Bg6 15. Qa2 Nc5 16. b4 Ne4 17. Nxe4 Bxe4 18. Nb5 Qb8 19. Nc3 Bf5 20. c5 Nc8 21. Bf3 Bf6 22. Rac1 Ne7 23. Nb5 a5 24. Qb3 axb4 25. axb4 e5 26. Nd6 Be6 27. Qb1 Nc6 28. b5 Na5 29. Qe4 Bd7 30. Ra1 Bd8 31. Nxb7 Bxb5 32. Rxd8 Rxd8 33. Nxd8 Ra6 34. Rd1 h6 35. Qb4 |
| ECO B01 in 2007 play it! vajda szidonia defeats black's andreescu nicole in 45 moves | 1. e4 d5 2. exd5 Nf6 3. c4 e6 4. d4 Bb4+ 5. Nc3 exd5 6. Bd3 Bg4 7. Ne2 Nc6 8. f3 Be6 9. c5 h6 10. O-O O-O 11. Nb1 Nxd4 12. Nxd4 Bxc5 13. Be3 c6 14. Kh1 Bd7 15. Nc3 Qe7 16. Re1 Rfe8 17. Qd2 Bxd4 18. Bxd4 Qd6 19. f4 b6 20. Be5 Qe7 21. h3 Be6 22. f5 Bc8 23. Bxf6 |
| ECO B01 in 2007 play it! vajda szidonia defeats black's calota alina in 49 moves | 1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Bf5 5. d4 Nxd5 6. Nf3 g6 7. O-O Bg7 8. c4 Nb6 9. Nc3 c6 10. Be3 Bg4 11. Qb3 O-O 12. c5 Nd5 13. Qxb7 Qc7 14. Qxc7 Nxc7 15. h3 Be6 16. Ng5 Rd8 17. Rfd1 Bc8 18. Bc4 e6 19. Nge4 Ba6 20. Bb3 Ne8 21. Ba4 Bb7 22. b4 Na6 23. b5 cxb5 24. Bxb5 Rac8 25. Bxe8 |
| ECO B01 in 1996 play it! vajda szidonia defeats black's skripchenko almi in 21 moves | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Bc4 Bf5 7. Qf3 e6 8. d5 Bg4 9. Qf4 cxd5 10. Bb5+ Kd8 11. Nxd5 |
| ECO B01 in 1998 play it! vajda szidonia defeats black's osman mihai in 63 moves | 1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. c4 g6 5. Nc3 Bg7 6. d4 O-O 7. c5 Nxd5 8. Nxd5 c6 9. Bc4 cxd5 10. Bxd5 e5 11. dxe5 Qa5+ 12. Qd2 Qxd2+ 13. Bxd2 Bxe5 14. Be3 Bxb2 15. Rb1 Bc3+ 16. Ke2 Rb8 17. Rb3 Bg7 18. Ra3 Re8 19. Nf3 Nxc5 20. Rxa7 Be6 21. Bxe6 Rxe6 22. Rc1 b6 23. Kf1 Bf6 24. Rb1 Ne4 25. a4 Nc3 26. Rb3 b5 27. a5 Rd8 28. g3 Kg7 29. Kg2 h6 30. Rb7 Rd1 31. Rb6 Ra1 32. Rxe6 |
| ECO B06 in 2002 play it! vajda szidonia defeats black's frink ferenc in 129 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qb6 5. Nd5 Qa5+ 6. Bd2 Qd8 7. Bc3 cxd4 8. Bxd4 Nf6 9. Nxf6+ Bxf6 10. Bxf6 exf6 11. Qd2 Nc6 12. Bc4 Qe7 13. O-O-O a6 14. Rhe1 b5 15. e5 fxe5 16. Nxe5 Nxe5 17. Rxe5 Qxe5 18. Re1 d6 19. Rxe5+ dxe5 20. Qd6 Be6 21. Bxe6 fxe6 22. Qxe6+ Kd8 23. Qxe5 Kd7 24. Qg7+ Ke6 25. f4 Kd5 26. Qb7+ Kc5 27. c3 a5 28. Qc7+ Kd5 29. Qe5+ Kc6 30. Qe6+ Kc5 31. a3 a4 32. Qe5+ Kc6 33. Qe4+ Kb6 34. Qd4+ Kc6 35. c4 bxc4 36. Qxc4+ Kd6 37. Kb1 Rhc8 38. Qd4+ Kc6 39. Qe4+ Kd6 40. Qe5+ Kc6 41. Qe7 Rh8 42. g4 Rae8 43. Qf6+ Kd5 44. Qf7+ Ke4 45. Qc4+ Kf3 46. f5 Ra8 47. f6 g5 48. Qe6 h6 49. f7 Kg2 50. Qe5 Kf3 51. Qg3+ Ke4 52. Qf2 Kd3 53. Qf3+ Kd2 54. Qe4 Kd1 55. Qe3 Rhd8 56. h4 gxh4 57. Qxh6 Rh8 58. Qd6+ Ke2 59. g5 h3 60. Qh2+ Kf3 61. g6 Kg4 62. g7 Kh4 63. Qf4+ Kh5 64. Qf5+ Kh4 65. gxh8=Q+ |
| ECO B06 in 1999 play it! vajda szidonia defeats black's horvath csaba in 69 moves | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. h3 Nf6 5. g3 O-O 6. Bg2 Na6 7. Nge2 Rb8 8. O-O c5 9. a4 cxd4 10. Nxd4 Nc5 11. Be3 Bd7 12. f4 a6 13. a5 Re8 14. e5 Nh5 15. Nde2 Qc8 16. g4 Bxg4 17. hxg4 Qxg4 18. Bxc5 dxc5 19. Qd5 Red8 20. Qf3 Qh4 21. Rad1 g5 22. Rd5 e6 23. Rxc5 g4 24. Qe3 g3 25. Rf3 Bh6 26. Rc4 Rbc8 27. Rxc8 Rxc8 28. Ne4 Qh2+ 29. Kf1 Rxc2 30. N4xg3 Rxb2 31. Nxh5 Rb1+ 32. Kf2 Qxh5 33. Rh3 Qf5 34. Rxh6 Qc2 35. Be4 |