| ECO A00 in 1998 play it! hossa defeats white's flambe in 85 moves | 1. g4 d6 2. Bh3 d5 3. d3 h6 4. Nf3 h5 5. Rg1 hxg4 6. Bxg4 f5 7. Bxf5 Bxf5 8. Rg5 e6 9. c4 dxc4 10. e4 Bh7 11. Qa4+ Qd7 12. Qxc4 Nc6 13. Ne5 Nxe5 14. Rxe5 O-O-O 15. Be3 Bd6 16. Rxe6 Nf6 17. Nc3 Bg8 18. Rxd6 Qxd6 19. Qb5 a6 20. Qg5 Rh5 21. Qxg7 Rd7 22. Qg3 Qxg3 23. fxg3 Rxh2 24. O-O-O Ng4 25. Bg1 Rg2 26. d4 Bc4 27. d5 Rxg3 28. Bd4 Bd3 29. Bc5 Nf6 30. e5 Ne4 31. Rxd3 Rxd3 32. Nxe4 R7xd5 33. Kc2 Rf3 34. b4 Rxe5 35. Nd2 Rf4 36. Kd3 a5 37. a3 Kd7 38. Be3 Rd5+ 39. Kc3 Rg4 40. Nc4 a4 41. Bf2 Re4 42. Bc5 b5 43. Nb2 |
| ECO A00 in 1998 play it! hossa defeats white's xenon in 87 moves | 1. g4 d5 2. Bh3 e5 3. Nf3 Nc6 4. d3 h5 5. Rg1 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8. e4 dxe4 9. dxe4 Qxd1+ 10. Kxd1 Nd4 11. Nbd2 c5 12. Rg3 Nxf3 13. Nxf3 hxg4 14. Bxg4 b5 15. Bxc8 Rxc8 16. Ke2 a5 17. Rd1 Ke7 18. Rd5 Rhd8 19. Ke3 Rxd5 20. exd5 c4 21. Ke4 c3 22. b3 Kd6 23. Ng5 Rc7 24. Nh7 Bh4 25. Rg4 Bxf2 26. Rg2 f5+ 27. Kxf5 Kxd5 28. a4 b4 29. Ng5 Rc6 30. Nh7 Rh6 31. Rxf2 e4 32. Re2 Rxh7 33. Kg6 Rh3 34. Kxg7 e3 35. Rg2 Ke4 36. Kf6 Kf3 37. Rg5 e2 38. Rf5+ Ke3 39. Rxa5 Rh4 40. Re5+ Re4 41. Rd5 e1=Q 42. Rd3+ Kf4 43. Kf7 Qf2 44. Rg3 |
| ECO A00 in 1998 play it! hossa defeats white's flambe in 63 moves | 1. g4 d6 2. Bh3 d5 3. d3 h6 4. Nf3 h5 5. Rg1 hxg4 6. Bxg4 f5 7. Bxf5 Bxf5 8. Nc3 d4 9. Nb5 e5 10. Rg5 Ne7 11. e4 dxe3 12. Bxe3 Nbc6 13. Bc5 g6 14. Qe2 a6 15. Nc3 Nd4 16. Bxd4 exd4 17. Qe5 Rh7 18. Qxd4 Qxd4 19. Nxd4 O-O-O 20. Nxf5 Nxf5 21. Rg2 Nh4 22. Rg3 Bd6 23. O-O-O Bxg3 24. fxg3 Nf5 25. Rd2 Rdh8 26. g4 Ne3 27. Re2 Nxg4 28. Rg2 Ne3 29. Re2 Nf5 30. Rg2 Rxh2 31. Rxg6 Nd4 32. a4 |
| ECO A04 in 1998 play it! hossa defeats white's carbide in 90 moves | 1. Nf3 g6 2. g3 Nf6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. c3 Bg4 7. Nbd2 Nc6 8. Qc2 Bh6 9. e4 Bxd2 10. Bxd2 dxe4 11. dxe4 Bxf3 12. Bxf3 Qd6 13. Rad1 Qe6 14. b3 Rfd8 15. Bg2 Rd6 16. Bf4 Ne5 17. Bxe5 Qxe5 18. h3 Rf8 19. f4 Qc5+ 20. Kh2 Rfd8 21. e5 Rxd1 22. Rxd1 Rxd1 23. Qxd1 Nh5 24. Qd4 Qxd4 25. cxd4 b6 26. Bf3 Ng7 27. g4 Ne6 28. Kg3 Nxd4 29. Bd5 Ne2+ 30. Kf3 Nc3 31. Bc4 Nxa2 32. f5 gxf5 33. gxf5 c5 34. f6 exf6 35. exf6 Nc3 36. Kf4 b5 37. Bd3 a5 38. Ke5 a4 39. bxa4 bxa4 40. Kd6 a3 41. Bc4 a2 42. Bxa2 Nxa2 43. Kxc5 h5 44. Kd6 Kh7 45. Ke5 Kg6 |
| ECO A05 in 1998 play it! hossa defeats white's allucan by checkmate in 100 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Nc6 4. Nc3 Bg7 5. Bg2 O-O 6. O-O e5 7. d3 d5 8. Bg5 dxc4 9. dxc4 Qxd1 10. Rfxd1 h6 11. Bxf6 Bxf6 12. Nd2 Nd4 13. e3 Ne6 14. b4 a5 15. Nd5 Bd8 16. a3 f5 17. c5 c6 18. Nc3 axb4 19. axb4 Rxa1 20. Rxa1 Bf6 21. Ra8 Rd8 22. Nc4 e4 23. Nxe4 fxe4 24. Nd6 Bd7 25. Rxd8+ Nxd8 26. Bxe4 Kg7 27. Bd3 Bc3 28. b5 Bb4 29. bxc6 bxc6 30. Be4 Bxc5 31. Nc4 Nf7 32. Na5 Ne5 33. f4 Bxe3+ 34. Kg2 Bb6 35. fxe5 Bxa5 36. e6 Bxe6 37. Bxc6 g5 38. h3 h5 39. Bf3 g4 40. hxg4 hxg4 41. Be4 Kf6 42. Kh2 Ke5 43. Bc2 Bd5 44. Bg6 Be4 45. Bh5 Bf3 46. Bg6 Kd4 47. Bf5 Bc7 48. Be6 Ke3 49. Bd7 Kf2 50. Bc6 Bxg3# |
| ECO A06 in 1998 play it! hossa defeats white's viveiros in 111 moves | 1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. Nbd2 Bd6 5. Bd3 O-O 6. O-O Nc6 7. a3 Bd7 8. b3 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Rb1 Bg4 12. Nf3 Qd6 13. h3 Bh5 14. g4 Bg6 15. Nxe5 Qxe5 16. Bb2 Qd6 17. Bxg6 fxg6 18. Bxf6 Rxf6 19. Qd4 c5 20. Qd2 Re8 21. Rbd1 Rd8 22. Qa5 Qe7 23. b4 Ra6 24. Qxc5 Qxc5 25. bxc5 Ra5 26. Rb1 Rd7 27. Rb3 Rxc5 28. Rfb1 b6 29. c3 Rdc7 30. Rd1 Rxc3 31. Rb5 Rxa3 32. Rbxd5 Ra2 33. Rd6 g5 34. R6d5 Rf7 35. Rxg5 Raxf2 36. Rd8+ Rf8 37. Rgd5 Re2 38. R8d7 Rxe3 39. Rxa7 Rxh3 40. Rdd7 Rg3+ 41. Kh2 Rxg4 42. Rab7 Rg6 43. Kh3 Rf3+ 44. Kh4 Rf4+ 45. Kh3 Rf8 46. Kh4 h6 47. Kh3 Rf3+ 48. Kh2 Rf2+ 49. Kh3 Rf5 50. Kh4 Rf4+ 51. Kh3 Rf2 52. Rdc7 h5 53. Rd7 Rf5 54. Kh2 b5 55. Rdc7 Rf4 56. Rc5 |
| ECO A05 in 1998 play it! hossa defeats white's strongbach by checkmate in 122 moves | 1. Nf3 Nf6 2. a4 d5 3. Ne5 Qd6 4. d4 Nbd7 5. Nf3 e5 6. Bd2 e4 7. Nh4 Qb6 8. Bc1 Bd6 9. Ra2 O-O 10. c3 Ng4 11. h3 Ngf6 12. Na3 c5 13. dxc5 Nxc5 14. Ra1 Bd7 15. Nb1 e3 16. Bxe3 Qxb2 17. Nd2 Qxc3 18. Nf3 Qxe3 19. Nc4 Qc3+ 20. Ncd2 Qb4 21. a5 Ba4 22. Qc1 Nb3 23. Rxa4 Nxc1 24. Rxb4 Bxb4 25. a6 bxa6 26. e3 Ne4 27. Bxa6 Nxd2 28. Nxd2 Nb3 29. O-O Nxd2 30. Rc1 Rae8 31. Be2 d4 32. Rc7 dxe3 33. fxe3 Rxe3 34. Bb5 Re1+ 35. Kf2 Ne4+ 36. Kf3 a5 37. Bc6 Nd2+ 38. Kf2 Rc1 39. Ke2 Re8+ 40. Kd3 Rc4 41. Ba4 Rxc7 42. Bxe8 g5 43. Bb5 Rc5 44. Ba4 f5 45. Kd4 f4 46. Bd1 Kg7 47. Ba4 h5 48. Bd7 Kf7 49. Ba4 Ke6 50. Kd3 h4 51. Ke2 Re5+ 52. Kd1 Kd6 53. Bc2 Re3 54. Kc1 Rg3 55. Ba4 Rxg2 56. Kc2 Ne4+ 57. Kb3 Kd5 58. Bc6+ Kxc6 59. Kc4 Nc5 60. Kd4 Re2 61. Kc4 Re4# |
| ECO A04 in 1998 play it! hossa defeats white's slivovitz in 65 moves | 1. Nf3 f5 2. d3 Nc6 3. e4 fxe4 4. Ng5 exd3 5. Bxd3 Nf6 6. Nxh7 e5 7. Bg6+ Ke7 8. Ng5 Rh4 9. g3 Rd4 10. Qe2 d6 11. c3 Rd5 12. Nd2 Bg4 13. f3 Bd7 14. Nc4 Be8 15. Bf5 Bf7 16. Nxf7 Kxf7 17. Be4 Rc5 18. b4 Rxc4 19. Qxc4+ d5 20. Qb3 Qd6 21. Bd3 Kg8 22. O-O Be7 23. Bg5 Rf8 24. c4 Nxb4 25. cxd5 Nfxd5 26. Bc4 Bxg5 27. a3 Qc5+ 28. Kg2 b5 29. Bxd5+ Nxd5 30. Rad1 Rd8 31. h4 Be7 32. Rfe1 Qxa3 33. Qxa3 |
| ECO A05 in 1998 play it! hossa defeats white's allucan by checkmate in 48 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Nc6 4. Nc3 Bg7 5. d3 O-O 6. Bg2 d6 7. O-O e5 8. Bg5 h6 9. Bxf6 Bxf6 10. Rb1 g5 11. Nd2 Nd4 12. e3 Ne6 13. b4 Bg7 14. Qc1 f5 15. a4 f4 16. b5 g4 17. exf4 exf4 18. f3 fxg3 19. hxg3 Bd4+ 20. Kh1 Qg5 21. fxg4 Qxg4 22. Rxf8+ Nxf8 23. Bd5+ Kg7 24. Nde4 Qh3# |
| ECO A05 in 1998 play it! hossa defeats white's wyoking by checkmate in 116 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. d3 Bf5 8. Rb1 e5 9. b4 Bg4 10. b5 Nd4 11. Nxd4 exd4 12. Nd5 Nxd5 13. cxd5 Qe7 14. Re1 Rfe8 15. Rb2 Be5 16. h3 Bf5 17. a4 Rad8 18. Rc2 Rf8 19. Bb2 Bf6 20. Rc4 Be5 21. Qc2 Rc8 22. Bxd4 Bxd4 23. Rxd4 Rfe8 24. Rc4 Qd8 25. g4 Bd7 26. Rc1 Qh4 27. Re1 Qd8 28. Bf3 f5 29. Rc1 fxg4 30. hxg4 Qh4 31. Qd2 Re5 32. Qf4 Qd8 33. Kg2 Re8 34. Qd2 Re5 35. R1c2 Re8 36. Qc1 Re7 37. Rxc7 Rxc7 38. Rxc7 Bxg4 39. Rxe7 Bxf3+ 40. Kxf3 Qxe7 41. d4 Qf7+ 42. Qf4 Qxd5+ 43. Qe4 Qb3+ 44. e3 Qf7+ 45. Kg2 d5 46. Qe5 a6 47. bxa6 bxa6 48. a5 Qb7 49. Qe8+ Kg7 50. Qe5+ Kg8 51. Qd6 Kf7 52. Qb6 Qc8 53. Qd6 Qb7 54. Qb6 Qc8 55. Qa7+ Kg8 56. Qb6 Kf7 57. Kf3 h5 58. Qc5 Qg4# |
| ECO A05 in 1998 play it! hossa defeats white's slivovitz in 110 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. d4 Bg4 5. O-O Bxf3 6. exf3 e6 7. f4 Bd6 8. c3 Qd7 9. Nd2 O-O-O 10. Nf3 h5 11. Ne5 Qe8 12. Qa4 Nxe5 13. Qxe8 Nf3+ 14. Bxf3 Rdxe8 15. h4 Rd8 16. Be3 Kb8 17. Rfc1 Rde8 18. Kg2 Ref8 19. Be2 Rc8 20. Bd3 Ng4 21. Bd2 Rcd8 22. f3 Nf6 23. Be3 Nd7 24. b4 Nb6 25. a4 Rhe8 26. a5 Nc4 27. Bxc4 dxc4 28. Re1 c6 29. Bd2 Kc7 30. Re2 a6 31. Rae1 Rh8 32. Rf1 Kd7 33. Rh1 f5 34. Rhe1 Rh6 35. Rh1 Rg6 36. Kf2 Ke7 37. Ree1 c5 38. bxc5 Bxc5 39. Rb1 Rd7 40. Be3 Bd6 41. Rb6 Bc7 42. Rxb7 Bxa5 43. Rxd7+ Kxd7 44. Bd2 Kc6 45. Rb1 Bc7 46. Rb4 Kd5 47. Ra4 a5 48. Bc1 Rh6 49. Ba3 Rh8 50. Bc5 Rb8 51. Ra2 Rb3 52. Rc2 a4 53. Ke3 Ba5 54. Kd2 a3 55. Bf8 Rxc3 |
| ECO A06 in 1998 play it! hossa defeats white's garri1 in 62 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 c5 4. cxd5 cxd4 5. Qxd4 Qxd5 6. Qxd5 Nxd5 7. e4 Nf6 8. Nc3 Nc6 9. Bb5 Bd7 10. e5 Ng4 11. Bf4 f6 12. exf6 exf6 13. O-O O-O-O 14. Rac1 g5 15. Bg3 h5 16. h3 h4 17. Bh2 Nxh2 18. Nxh2 f5 19. Nf3 g4 20. Bxc6 Bxc6 21. Ne5 gxh3 22. Nxc6 bxc6 23. gxh3 Rd2 24. Na4 Rg8+ 25. Kh1 Kc7 26. Rc3 Bg7 27. Rb3 Bd4 28. Rb4 Bxf2 29. Rf4 Bg3 30. Rxf5 Rh2+ 31. Kg1 Be5+ |
| ECO A05 in 1998 play it! hossa defeats white's koon in 61 moves | 1. Nf3 Nf6 2. d3 d5 3. g3 Bf5 4. b3 Nbd7 5. Bb2 e6 6. Bg2 Qe7 7. Nbd2 O-O-O 8. c4 e5 9. cxd5 Nxd5 10. O-O N5f6 11. Qc2 h5 12. Rfc1 c6 13. Nh4 Bg4 14. Bxc6 bxc6 15. Qxc6+ Kb8 16. Ba3 Qe8 17. Qc7+ Ka8 18. Qc6+ Kb8 19. Bd6+ Bxd6 20. Qxd6+ Ka8 21. Qc6+ Kb8 22. Qd6+ Ka8 23. Qc6+ Kb8 24. Qd6+ Ka8 25. Qc6+ Kb8 26. Qd6+ Ka8 27. Qc6+ Kb8 28. Qb5+ Nb6 29. Qa6 Bxe2 30. Nc4 Bxd3 31. Nxb6 |
| ECO A04 in 1998 play it! hossa defeats white's maury by checkmate in 122 moves | 1. Nf3 g6 2. d4 Bg7 3. g3 d5 4. Bg2 Nf6 5. c4 dxc4 6. Nc3 Be6 7. O-O O-O 8. Ng5 Bc8 9. e4 Nc6 10. e5 Nxd4 11. exf6 exf6 12. Nf3 Nxf3+ 13. Bxf3 Qxd1 14. Rxd1 c6 15. a4 Be6 16. Be3 a5 17. Rd2 Rad8 18. Rad1 Rxd2 19. Rxd2 h5 20. Bb6 Bh6 21. Rd8 Rxd8 22. Bxd8 Bg4 23. Bxg4 hxg4 24. Bxa5 Bc1 25. Nd1 Kg7 26. f4 b5 27. axb5 cxb5 28. Kf2 f5 29. Bc3+ f6 30. Ke2 Kf7 31. Bd2 Bxd2 32. Kxd2 g5 33. Kc3 gxf4 34. gxf4 Ke6 35. Kb4 Kd5 36. Kxb5 Ke4 37. Kxc4 Kxf4 38. b4 Kg5 39. b5 f4 40. Nf2 Kh4 41. b6 g3 42. hxg3+ fxg3 43. b7 gxf2 44. b8=Q f1=Q+ 45. Kd5 Qf3+ 46. Ke6 f5 47. Qh8+ Kg3 48. Qg7+ Qg4 49. Qf6 f4+ 50. Ke5 f3 51. Qd6 Qf4+ 52. Ke6 Qxd6+ 53. Kxd6 f2 54. Kd5 f1=Q 55. Ke6 Qb5 56. Kd6 Kf4 57. Ke6 Qc5 58. Kd7 Kf5 59. Ke8 Qc7 60. Kf8 Kf6 61. Kg8 Qg7# |
| ECO A09 in 1998 play it! hossa defeats white's kaka in 33 moves | 1. Nf3 d5 2. c4 dxc4 3. e3 b5 4. a4 Ba6 5. b3 c6 6. bxc4 bxc4 7. Ba3 Nd7 8. Nc3 Ngf6 9. Be2 e5 10. Bxf8 Kxf8 11. O-O Kg8 12. a5 Qc7 13. Qa4 Nc5 14. Qa3 Nb3 15. Rab1 e4 16. Rxb3 cxb3 17. Nd4 |
| ECO A05 in 1998 play it! hossa defeats white's jk in 68 moves | 1. Nf3 Nf6 2. g3 e6 3. Bg2 Bd6 4. d4 O-O 5. O-O Nc6 6. c4 Be7 7. d5 exd5 8. cxd5 Nb4 9. Nc3 d6 10. a3 Na6 11. h3 Nc5 12. Nd4 Re8 13. b4 Ncd7 14. e4 Ne5 15. f4 Nc4 16. Qe2 Nb6 17. e5 dxe5 18. fxe5 Nfxd5 19. Nxd5 Nxd5 20. Qf3 Nxb4 21. Qxf7+ Kh8 22. Nb5 Be6 23. Qh5 Bc5+ 24. Kh2 Nd5 25. Be4 Bg8 26. Bg5 Qd7 27. a4 Rxe5 28. Qh4 a6 29. Na3 Qxa4 30. Bxd5 Qxh4 31. gxh4 Bxd5 32. Nb1 Re2+ 33. Kg3 Rg2+ 34. Kf4 Bd4 |
| ECO A06 in 1998 play it! hossa defeats white's viveiros in 48 moves | 1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. Nbd2 Bd6 5. b3 O-O 6. Bb2 c5 7. Bd3 Nc6 8. a3 Bd7 9. O-O cxd4 10. exd4 Rc8 11. Qe2 Qc7 12. Ne5 Rfe8 13. f4 Qb6 14. c3 Qc7 15. g4 Qd8 16. g5 Ne4 17. Nxe4 Bxe5 18. dxe5 dxe4 19. Qxe4 Qb6+ 20. Rf2 g6 21. b4 Ne7 22. c4 Bc6 23. Qd4 Qxd4 24. Bxd4 Rcd8 |
| ECO A06 in 1998 play it! hossa defeats white's viveiros in 66 moves | 1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. Nbd2 Bd6 5. b3 O-O 6. Bb2 c5 7. Bd3 Nc6 8. a3 Bd7 9. Ne5 cxd4 10. exd4 Qb6 11. Ndf3 Qa5+ 12. Kf1 Qd8 13. Qe2 Rc8 14. Nd2 Be8 15. f4 Qb6 16. c3 Na5 17. b4 Nc6 18. g4 Nd7 19. g5 Ne7 20. Rg1 Rc7 21. Rg3 Ng6 22. Qg4 f5 23. Qf3 Ndxe5 24. fxe5 Nxe5 25. dxe5 Bxe5 26. Rh3 Bxc3 27. Bxc3 Rxc3 28. Qf2 Qxf2+ 29. Kxf2 Bb5 30. Ke2 f4 31. a4 f3+ 32. Rxf3 Rxf3 33. axb5 Rfxd3 |
| ECO A04 in 1998 play it! hossa defeats white's neon in 51 moves | 1. Nf3 d6 2. c4 e5 3. d4 e4 4. Ng1 Nc6 5. Nc3 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 Bf5 9. g4 Bg6 10. d5 Ne5 11. Nb5 Kd8 12. g5 hxg5 13. Nc3 Be7 14. h3 Kc8 15. Be2 Bf5 16. Qb1 g4 17. Rh2 gxh3 18. a4 Qg6 19. Kf1 Bf6 20. Qc2 Nd3 21. f3 Qg3 22. fxe4 Nb4 23. Qc1 Qxh2 24. Ke1 Qxg1+ 25. Kd2 Qxc1+ 26. Rxc1 |
| ECO A05 in 1998 play it! hossa defeats white's strongbach by checkmate in 78 moves | 1. Nf3 Nf6 2. Ng5 e5 3. e4 d5 4. Nf3 Bg4 5. exd5 Nxd5 6. a3 e4 7. Qe2 Qe7 8. h3 Nf4 9. Qe3 exf3 10. hxg4 fxg2 11. Bb5+ Nd7 12. Rg1 O-O-O 13. Qxe7 Bxe7 14. Bxd7+ Rxd7 15. d3 Bd6 16. Bxf4 Bxf4 17. Rxg2 Re8+ 18. Kf1 Be5 19. Ra2 Rde7 20. b3 Bd4 21. Rh2 Re1+ 22. Kg2 Rxb1 23. Rxh7 Re2 24. Kf3 Rxf2+ 25. Ke4 c5 26. b4 Rg1 27. Kd5 Rxg4 28. Kd6 Rg6+ 29. Kd5 Rf5+ 30. Ke4 Re5+ 31. Kf4 Kd7 32. b5 Re2 33. Rh3 Rf6+ 34. Kg3 Re3+ 35. Kg4 Rg6+ 36. Kf4 Rxh3 37. a4 Ke6 38. a5 Be5+ 39. Ke4 f5# |