| ECO A16 in 1955 play it! somogyi istvan defeats black's hacsak istvan in 69 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 c5 4. Bg2 Nc6 5. Nf3 Bg7 6. O-O d6 7. d4 cxd4 8. Nxd4 Bd7 9. Nc2 Rc8 10. b3 h5 11. Bb2 Ne5 12. h3 h4 13. g4 Nexg4 14. hxg4 h3 15. Bxb7 h2+ 16. Kh1 Bxg4 17. Nd5 Bh3 18. Nxf6+ exf6 19. Ne3 Rc5 20. Bg2 Rg5 21. Qd3 Qd7 22. Rad1 Bxg2+ 23. Nxg2 d5 24. cxd5 Rh3 25. Qe4+ Kf8 26. d6 Kg8 27. Qa4 Qb7 28. f3 Rhg3 29. d7 Rxg2 30. d8=Q+ Kh7 31. Qh4+ Rh5 32. Qxh5+ gxh5 33. Kxg2 Qb5 34. Qd3+ Qxd3 35. Rxd3 |
| ECO A16 in 1955 play it! somogyi istvan defeats black's gereben erno in 123 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O d5 7. d3 Nc6 8. Bg5 d4 9. Na4 Nd7 10. a3 a5 11. Rb1 h6 12. Bd2 e5 13. b4 axb4 14. axb4 cxb4 15. Bxb4 Re8 16. Nd2 Nxb4 17. Rxb4 Qa5 18. Qb1 Bf8 19. c5 Nxc5 20. Nc4 Qd8 21. Nxc5 Bxc5 22. Rb5 Qe7 23. Rc1 Rb8 24. Na5 Bd6 25. Rc2 Kg7 26. Rcb2 h5 27. Bxb7 Bd7 28. Bc6 Rxb5 29. Rxb5 Bxc6 30. Nxc6 Qd7 31. Na5 h4 32. Rb7 Qf5 33. Qb5 Re7 34. Nc4 hxg3 35. hxg3 Re6 36. Qd5 Be7 37. Kg2 g5 38. Rb5 Bf6 39. Nd6 Qg6 40. g4 Be7 41. Nf5+ Kh7 42. Kg3 Bf8 43. Rb8 Bg7 44. Qh1+ Bh6 45. Qa8 Qf6 46. Qe4 Qg6 47. Qb7 Rc6 48. Ne7 Qf6 49. Qxc6 Qxe7 50. Qe8 Qxe8 51. Rxe8 Bg7 52. Kf3 Kg6 53. Ke4 f6 54. e3 dxe3 55. fxe3 Kf7 56. Ra8 Kg6 57. d4 exd4 58. exd4 f5+ 59. gxf5+ Kh5 60. d5 g4 61. Rg8 Bf6 62. d6 |
| ECO B29 in 1956 play it! somogyi istvan defeats black's wtkovzky in 33 moves | 1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. Nxd5 Qxd5 7. Be3 cxd4 8. Nxd4 e5 9. Nb5 Qd8 10. Qxd8+ Kxd8 11. O-O-O+ Bd7 12. Bc4 Nd4 13. Nxd4 exd4 14. Rxd4 Kc7 15. Bf4+ Kc6 16. Bd5+ Kb6 17. Bxb7 |
| ECO B11 in 1955 play it! somogyi istvan defeats black's tipary lajos in 123 moves | 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ng8 5. d4 Bg4 6. h3 Bf5 7. Nh4 Bc8 8. Bd3 g6 9. O-O e6 10. Nf3 b6 11. Qe2 a5 12. Bg5 Be7 13. Bxe7 Nxe7 14. Nd1 Ba6 15. Ne3 Bxd3 16. Qxd3 Nd7 17. b3 O-O 18. Ng4 Nf5 19. Ngh2 c5 20. c3 Rc8 21. g4 Ng7 22. Qd2 Re8 23. Kh1 f6 24. h4 cxd4 25. cxd4 fxe5 26. dxe5 Nc5 27. Rae1 Ne4 28. Qh6 Re7 29. h5 Qf8 30. hxg6 hxg6 31. Nh4 Rec7 32. Nxg6 Qb4 33. Re3 Qd2 34. Qh5 Kf7 35. Qh7 Ng5 36. Qh6 d4 37. Qxg5 dxe3 38. fxe3+ Ke8 39. Qf4 Kd7 40. Qa4+ Rc6 41. Rf7+ Kd8 42. Nf1 Rc1 43. Qb5 Qd5+ 44. Qxd5+ exd5 45. Rxg7 Rxf1+ 46. Kg2 Re1 47. Kf2 Rcc1 48. e6 d4 49. Rd7+ Ke8 50. Rxd4 Rf1+ 51. Kg3 Rce1 52. Re4 b5 53. Re5 a4 54. Kh4 Rf6 55. Kg5 Rxg6+ 56. Kxg6 axb3 57. axb3 b4 58. Re4 Ke7 59. g5 Re2 60. Kg7 Re1 61. g6 Re2 62. Kg8 |
| ECO D15 in 2003 play it! somogyi istvan defeats black's hetenyi geza in 90 moves | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Be7 6. Bd3 dxc4 7. Bxc4 b5 8. Bb3 Bb7 9. O-O a6 10. Qe2 Nbd7 11. Rd1 c5 12. e4 cxd4 13. Nxd4 Qb8 14. Bg5 Bd6 15. g3 h6 16. Bxf6 Nxf6 17. Ndxb5 axb5 18. Qxb5+ Nd7 19. e5 Bf3 20. Rxd6 Qxb5 21. Nxb5 Ke7 22. Re1 Ra5 23. Rd3 Ba8 24. Nd4 Nxe5 25. Rc3 Rd8 26. f4 Rxd4 27. Rxe5 Ra7 28. Kf2 Kf6 29. Rc4 Rd2+ 30. Re2 Rd3 31. Ra4 Rxa4 32. Bxa4 Bd5 33. a3 g5 34. fxg5+ hxg5 35. Bc2 Rf3+ 36. Ke1 Ke7 37. Be4 Bxe4 38. Rxe4 f5 39. Rb4 g4 40. Ke2 e5 41. a4 f4 42. a5 fxg3 43. hxg3 Rxg3 44. a6 Rh3 45. a7 Rh8 |
| ECO D07 in 1998 play it! somogyi istvan defeats black's nicolaisen erik in 85 moves | 1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e5 5. Qb3 Bxf3 6. gxf3 Nge7 7. Nc3 exd4 8. Nxd5 Na5 9. Qa4+ Nac6 10. e4 Ng6 11. b4 Qd7 12. Bg5 Be7 13. Bxe7 Ngxe7 14. O-O-O Nxd5 15. exd5 Ne5 16. Qxd7+ Kxd7 17. f4 Ng6 18. Rxd4 Rhe8 19. c5 Rad8 20. Bb5+ c6 21. dxc6+ Kc7 22. Rxd8 Rxd8 23. cxb7 Kxb7 24. Rd1 Rxd1+ 25. Kxd1 Nxf4 26. Bc4 f6 27. Kd2 Kc6 28. Ke3 Nh3 29. a4 g5 30. Bd3 h5 31. Be4+ Kc7 32. b5 Nf4 33. a5 Ne6 34. b6+ Kb8 35. c6 axb6 36. axb6 Ng7 37. Kd3 f5 38. Bd5 h4 39. c7+ Kc8 40. Kd4 g4 41. Kc5 Kd7 42. Bc6+ Kc8 43. Kd6 |
| ECO D31 in 2000 play it! somogyi istvan defeats black's van der plas rob in 101 moves | 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Qb3 dxc4 5. Qxc4 b5 6. Qd3 Ba6 7. Qd1 Nf6 8. a3 Bb7 9. Nf3 a6 10. Bg5 Nbd7 11. e4 Qa5 12. b4 Qb6 13. e5 Nd5 14. Nxd5 cxd5 15. Bd3 f6 16. exf6 gxf6 17. Bf4 Bd6 18. Bg3 O-O-O 19. O-O Bxg3 20. hxg3 e5 21. dxe5 fxe5 22. Bf5 Qf6 23. Rc1+ Kb8 24. Bxd7 Rxd7 25. Re1 e4 26. Qd4 Qxd4 27. Nxd4 Rc7 28. Rxc7 Kxc7 29. Rc1+ Kd6 30. f4 exf3 31. gxf3 Ke5 32. Nb3 Rc8 33. Re1+ Kf6 34. Nc5 Rc7 35. Re6+ Kf5 36. g4+ Kf4 37. Kf2 d4 38. Nd3+ Kg5 39. Kg3 Bxf3 40. Re5+ Kg6 41. Kxf3 Rc3 42. Ke4 Rxa3 43. Kxd4 a5 44. Rxb5 axb4 45. Nf4+ Kf6 46. g5+ Kg7 47. Rb7+ Kg8 48. Nd5 Rg3 49. Ke5 b3 50. Ke6 Kh8 51. Kf7 |
| ECO D02 in 2001 play it! somogyi istvan defeats black's boguszlavszkij j in 73 moves | 1. d4 d5 2. Nf3 e6 3. c4 c6 4. e3 Bd6 5. Nc3 f5 6. Bd3 Nf6 7. b3 O-O 8. Bb2 Bd7 9. Qc2 Ne4 10. Ne5 Be8 11. f3 Qh4+ 12. g3 Nxg3 13. Qf2 Bxe5 14. dxe5 f4 15. exf4 Nf5 16. Bxf5 Qxf2+ 17. Kxf2 Rxf5 18. Ne2 c5 19. cxd5 exd5 20. Rac1 Na6 21. Rhd1 Rd8 22. b4 b6 23. bxc5 Nxc5 24. Ba3 Ne6 25. Be7 Rd7 26. Bd6 g5 27. Rc8 Rd8 28. Rxd8 Nxd8 29. fxg5 Nf7 30. h4 Ba4 31. Rd4 Bc6 32. Rd2 Nxd6 33. exd6 Rf8 34. Nd4 Bd7 35. Re2 Rf4 36. Re7 Bg4 37. Ke3 |
| ECO D55 in 1998 play it! somogyi istvan defeats black's furesz jozsef in 107 moves | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 c6 7. Bd3 dxc4 8. Bxc4 Nbd7 9. O-O Re8 10. Qe2 Nd5 11. Bxe7 Qxe7 12. e4 Nxc3 13. bxc3 b6 14. e5 Bb7 15. Bd3 c5 16. Nd2 Nf8 17. Nc4 Ng6 18. f4 Rad8 19. Nd6 Rxd6 20. exd6 Qxd6 21. Be4 Bc8 22. Qe3 f5 23. Bxf5 cxd4 24. cxd4 Ne7 25. Bc2 Nd5 26. Qf3 Rf8 27. Qe4 g6 28. Qe5 Qa3 29. Bb3 Rf5 30. Qe4 Qd6 31. Rac1 Bd7 32. g3 a5 33. Rfe1 a4 34. Bc4 b5 35. Bf1 b4 36. Bh3 Nc3 37. Rxc3 bxc3 38. Bxf5 gxf5 39. Qe5 Qxe5 40. dxe5 Bb5 41. Rc1 Bc4 42. a3 h5 43. Rxc3 Bb5 44. Kf2 Kf7 45. Ke3 h4 46. gxh4 Kg6 47. Rc7 Bf1 48. Re7 Bc4 49. Kd4 Bb3 50. h3 Kh5 51. Rh7+ Kg6 52. Rh8 Bd1 53. Kc5 Bb3 54. Kd6 |
| ECO D02 in 1991 play it! somogyi istvan defeats black's dobrowolski in 121 moves | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Ne4 7. Bxe7 Qxe7 8. Bd3 Nxc3 9. bxc3 dxc4 10. Bxc4 Nd7 11. O-O b6 12. e4 Bb7 13. Re1 c5 14. Qd2 cxd4 15. cxd4 Rac8 16. Bd3 Rfd8 17. Rad1 h6 18. h3 Nf6 19. Bb1 Qa3 20. Ne5 Qc3 21. Qxc3 Rxc3 22. f3 Nh5 23. Kf2 Nf4 24. Rc1 Rxc1 25. Rxc1 f6 26. Ng4 Rxd4 27. Rc7 Rb4 28. Bc2 Rb2 29. Ne3 Ba6 30. Kg3 Ne2+ 31. Kh2 Nd4 32. Rxa7 Rxa2 33. Bd1 Kf8 34. f4 Ra5 35. Rd7 Ra3 36. Rxd4 Rxe3 37. Rd6 Rxe4 38. Rxb6 Bc4 39. Rb8+ Ke7 40. Rb7+ Kd6 41. f5 Rd4 42. Bh5 e5 43. Rxg7 e4 44. Rg6 Ke5 45. Rxh6 Rd2 46. Rh7 Bd5 47. Kg3 Kxf5 48. Re7 Kg5 49. Bg4 Rd3+ 50. Kf2 Kf4 51. Be2 Ra3 52. h4 Rg3 53. Bf1 e3+ 54. Kg1 Bf3 55. Kh1 Bh5 56. Kg1 f5 57. Bd3 Rg8 58. Bxf5 Bf3 59. Bh3 e2 60. Kf2 Bxg2 61. Bxg2 |
| ECO D02 in 2001 play it! somogyi istvan defeats black's nemeth zoltan in 75 moves | 1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 f5 5. g3 Nf6 6. Bg2 Bd6 7. Bf4 O-O 8. O-O Bxf4 9. gxf4 dxc4 10. e3 b5 11. Ne5 Qb6 12. a4 Bb7 13. b3 Nd5 14. Rc1 a5 15. bxc4 Nxc3 16. Rxc3 b4 17. c5 Qc7 18. Rc1 Nd7 19. Qb3 Rae8 20. Rfd1 Nf6 21. Kh1 Nd5 22. Rg1 Ba6 23. Bf3 Rf6 24. Rg3 Rh6 25. Rcg1 Re7 26. Rg5 Qc8 27. e4 fxe4 28. Bxe4 Nxf4 29. Nxc6 Rc7 30. Rxg7+ Kh8 31. Qg3 Rg6 32. Rxg6 Nxg6 33. Ne5 Bb7 34. c6 Bxc6 35. Nxc6 Rxc6 36. Bxg6 Qc7 37. Qh4 e5 38. Bxh7 |
| ECO D15 in 1988 play it! somogyi istvan defeats black's doppelhammer h in 26 moves | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Ne4 6. Bd3 f5 7. Ne5 Qh4 8. O-O Bd6 9. f4 O-O 10. Bd2 Nd7 11. Be1 Qe7 12. Rc1 Kh8 13. Rf3 Rg8 |
| ECO D34 in 2000 play it! somogyi istvan defeats black's por attila in 71 moves | 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Bg5 d4 11. Bxf6 Qxf6 12. Nd5 Qd6 13. Nd2 Be6 14. Nf4 Rad8 15. Ne4 Qe7 16. h4 Bb6 17. a3 Bc4 18. Rc1 Ba6 19. b4 Rfe8 20. Qb3 d3 21. exd3 Nd4 22. Qb2 Bc7 23. Rxc7 Qxc7 24. Nc5 Qe5 25. Qb1 Rc8 26. Be4 Nb5 27. Bxh7+ Kh8 28. Bg6 Nc3 29. Bxf7 Nxb1 30. Ng6+ Kh7 31. Nxe5 Rxe5 32. Rxb1 Bb5 33. d4 Re2 34. Be6 Rxc5 35. bxc5 Rxe6 36. Rxb5 |
| ECO D31 in 1993 play it! somogyi istvan defeats black's vrona mihail in 137 moves | 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Nf6 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 c5 9. Nf3 Qa5 10. Bd2 O-O 11. Bd3 b6 12. O-O Bb7 13. Ne5 Be4 14. Bxe4 Nxe4 15. Re1 Nxd2 16. Qxd2 cxd4 17. Qxd4 Na6 18. Rad1 Nc5 19. Re3 f6 20. Nc6 Qa4 21. Qd6 Rae8 22. Rde1 Rf7 23. Nd4 Rd7 24. Qc6 Qxc6 25. Nxc6 Kf7 26. f4 Rc7 27. Nd4 Ree7 28. Nb5 Rcd7 29. Nd4 g6 30. g4 Rd6 31. h4 Na4 32. Nb5 Rd2 33. Nd4 Nc5 34. g5 Rd3 35. Kf2 f5 36. Nc6 Rd2+ 37. R1e2 Rxe2+ 38. Kxe2 Rc7 39. Ne5+ Ke7 40. h5 gxh5 41. Rh3 Ne4 42. Ke3 Nxc3 43. Rxh5 Kd6 44. Kd3 Ne4 45. Kd4 a6 46. Rh2 b5 47. Rb2 Rc5 48. a4 bxc4 49. Nxc4+ Kc7 50. Ne3 Ra5 51. Rh2 Rxa4+ 52. Ke5 Nxg5 53. fxg5 Re4+ 54. Kf6 Rxe3 55. Rxh7+ Kd6 56. g6 Rg3 57. Ra7 f4 58. Rxa6+ Kd5 59. Ra5+ Kd4 60. Ra4+ Kd5 61. Rxf4 e5 62. Rf5 Kd4 63. Rg5 Rf3+ 64. Ke7 Ra3 65. g7 Ra7+ 66. Kf6 Rxg7 67. Rxg7 e4 68. Kf5 e3 69. Kf4 |
| ECO D15 in 1999 play it! somogyi istvan defeats black's ruzic evgen in 43 moves | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. Qb3 b6 6. Bf4 e6 7. e3 Be7 8. Rc1 c5 9. cxd5 Nxd5 10. Bb5+ Kf8 11. Nxd5 Qxd5 12. dxc5 Qxb3 13. axb3 Bxc5 14. O-O Ke7 15. b4 Bd6 16. Bxd6+ Kxd6 17. Rfd1+ Ke7 18. Ne5 Kf6 19. f4 a6 20. Rc7 Rf8 21. Rd8 Ra7 22. Rxa7 |
| ECO D02 in 2000 play it! somogyi istvan defeats black's simon peter in 35 moves | 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bf5 5. cxd5 cxd5 6. Qb3 b6 7. Bf4 a6 8. e3 e6 9. Rc1 Bd6 10. Bxd6 Qxd6 11. Nb5 axb5 12. Rc8+ Ke7 13. Rxh8 Ne8 14. Bxb5 Nd7 15. O-O Rc8 16. Ne5 Bc2 17. Rxe8+ Kxe8 18. Qa3 |
| ECO D15 in 2000 play it! somogyi istvan defeats black's szirti almos in 119 moves | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 h6 8. Bh4 b6 9. cxd5 cxd5 10. Rc1 O-O 11. O-O a6 12. Ne5 Nxe5 13. dxe5 Nd7 14. Bxe7 Qxe7 15. f4 f6 16. exf6 Nxf6 17. Bb1 b5 18. Qd3 Bb7 19. Ne2 Rac8 20. Nd4 Ne4 21. Qe2 Rxc1 22. Rxc1 e5 23. fxe5 Qxe5 24. Qg4 Nd2 25. Qe6+ Qxe6 26. Nxe6 Rc8 27. Re1 Nc4 28. b3 Nxe3 29. Rxe3 Rc1+ 30. Kf2 Rxb1 31. Nc5 Rb2+ 32. Re2 Rxe2+ 33. Kxe2 Bc8 34. Ke3 a5 35. a3 Kf7 36. Kd4 Be6 37. Ke5 Bc8 38. Kxd5 Kf6 39. Kc6 Ke5 40. Kxb5 Kd5 41. b4 axb4 42. axb4 g5 43. Kb6 h5 44. b5 h4 45. Kc7 h3 46. g4 Kxc5 47. Kxc8 Kxb5 48. Kd7 Kc5 49. Ke6 Kd4 50. Kf5 Ke3 51. Kxg5 Kf3 52. Kf5 Kg2 53. g5 Kxh2 54. g6 Kg2 55. g7 h2 56. g8=Q+ Kf1 57. Qc4+ Kg1 58. Qc1+ Kg2 59. Qd2+ Kg1 60. Kg4 |
| ECO A40 in 1998 play it! somogyi istvan defeats black's bonnaire rudolf in 51 moves | 1. d4 e6 2. Nf3 d5 3. c4 Nd7 4. Nc3 Ngf6 5. Bg5 c6 6. cxd5 cxd5 7. e3 h6 8. Bh4 Qa5 9. a3 Ne4 10. Rc1 a6 11. Bd3 Ndf6 12. O-O Bd7 13. Ne5 Nxc3 14. Rxc3 Be7 15. Qc2 Bd8 16. Bg6 O-O 17. Bxf6 Bb5 18. Bxd8 Qxd8 19. Bh7+ Kh8 20. Bd3 Bxd3 21. Qxd3 b5 22. Rfc1 Qg5 23. f4 Qh5 24. Rc7 Kg8 25. h3 g5 26. Nd7 |
| ECO A40 in 1998 play it! somogyi istvan defeats black's jansen frank in 65 moves | 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. O-O Bd6 6. c4 c6 7. b3 Qe7 8. Bb2 Nbd7 9. Qc2 O-O 10. Nbd2 b6 11. Ne5 Bb7 12. Ndf3 Rac8 13. Rac1 Ne4 14. Nxd7 Qxd7 15. e3 g5 16. c5 Bc7 17. b4 Ba6 18. Rfd1 Bc4 19. Ne5 Bxe5 20. dxe5 g4 21. Qxc4 b5 22. Qc2 Ng5 23. Qe2 Qf7 24. f4 Nh3+ 25. Kh1 Qg6 26. Bd4 h5 27. Qf1 Kf7 28. Bxh3 gxh3 29. Qxh3 Rh8 30. Qh4 Ra8 31. a4 a6 32. Ra1 Rac8 33. axb5 |
| ECO A80 in 1997 play it! somogyi istvan defeats black's galyas miklos in 51 moves | 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 O-O 6. Nc3 d6 7. O-O Nc6 8. b3 e5 9. dxe5 dxe5 10. Ba3 e4 11. Bxf8 Qxf8 12. Nd4 Nxd4 13. Qxd4 Be6 14. Qd2 Rd8 15. Qc2 e3 16. Rad1 exf2+ 17. Kh1 Ng4 18. Rxd8 Qxd8 19. Nd1 Bd4 20. Qd2 Qf6 21. h3 f4 22. Qxf4 Qxf4 23. gxf4 Ne3 24. Nxe3 Bxe3 25. Bd5 Bxd5+ 26. cxd5 |