Zenmastur wrote: ↑Mon Oct 28, 2019 7:45 am
Hmmm...
There must be a communications issue.
I'm not asking that the files be changed in anyway. Just for a short, representative list, (1 from each of several EGTB files (e.g. 1 from the KQPkrr file for example) of positions which represent a long mate that respects the 50-move rule.
syzygy lists these.
[pgn]
[Event "KQPvKRR"]
[Site ""]
[Date "????.??.??"]
[Round "-"]
[White "Syzygy"]
[Black "Syzygy"]
[Result "0-1"]
[FEN "1r2k3/8/2P5/8/2Q5/5r2/4K3/8 b - - 0 1"]
[Annotator "shakmaty-syzygy"]
[WDL "Loss"]
[DTZ "-100"]
[WinningMoves ""]
[DrawingMoves ""]
[LosingMoves "Rf1, Rf2+, Ra3, Rfb3, Rc3, Rd3, Re3+, Rg3, Rh3, Rf4, Rf5, Rf6, Rf7, Rf8, Rb1, Rb2+, Rbb3, Rb4, Rb5, Rb6, Rb7, Ra8, Rc8, Rd8, Ke7, Kd8, Kf8"]
{ KQPvKRR with DTZ -100 } 1... Rf7 2. Kd3 Rd8+ 3. Kc3 Rf3+ 4. Kb4 Rb8+ 5. Kc5 Rf5+ 6. Kd6 Rf6+ 7. Kc7 Rb2 8. Qg8+ Ke7 9. Qg7+ Ke6 10. Qd7+ Ke5 11. Qe7+ Kf5 12. Qe3 Rh2 13. Qf3+ Ke6 14. Qe4+ Kf7 15. Kb7 Rb2+ 16. Ka7 Ra2+ 17. Kb6 Ra1 18. Qd5+ Kg7 19. Qd7+ Kg8 20. Qd4 Rb1+ 21. Ka7 Rf7+ 22. Ka6 Rc1 23. Qd8+ Kh7 24. Qd3+ Kg8 25. Kb5 Kg7 26. Qg3+ Kh7 27. Qh4+ Kg6 28. Qe4+ Kg7 29. Qd3 Kg8 30. Qg6+ Rg7 31. Qe6+ Kh7 32. Qh3+ Kg8 33. Qb3+ Kh7 34. Qd3+ Kg8 35. Kb6 Rf7 36. Qb5 Rc3 37. Qd5 Rc2 38. Qg5+ Kh7 39. Qe5 Kh6 40. Qe3+ Kg7 41. Qb3 Rff2 42. Qd3 Kh6 43. Ka5 Ra2+ 44. Kb4 Rfb2+ 45. Kc3 Re2 46. Qd4 Re6 47. Qc4 Re3+ 48. Kb4 Rb2+ 49. Ka4 Rb8 50. Qf4+ Kh5 51. Qxb8 { KQPvKR with DTZ -4 } 51... Re4+ 52. Ka5 Re1 53. c7 { KQPvKR with DTZ -8 } 53... Ra1+ 54. Kb4 Rb1+ 55. Ka3 Ra1+ 56. Kb2 Rb1+ 57. Kxb1 { KQPvK with DTZ -2 } 57... Kg4 58. c8=Q+ { KQQvK with DTZ -4 } 58... Kf3 59. Qc4 Kf2 60. Qg3+ Kxg3 { KQvK with DTZ 11 } 61. Kc1 Kf2 62. Qg4 Ke1 63. Qf4 Ke2 64. Kc2 Ke1 65. Kd3 Kd1 66. Qf1# { Checkmate } 0-1
[Event "KQPvKRR"]
[Site ""]
[Date "????.??.??"]
[Round "-"]
[White "Syzygy"]
[Black "Syzygy"]
[Result "1-0"]
[FEN "k7/8/8/8/8/3P4/r2r4/5K1Q b - - 0 1"]
[Annotator "shakmaty-syzygy"]
[WDL "Win"]
[DTZ "52"]
[WinningMoves "Ka7"]
[DrawingMoves "Kb8"]
[LosingMoves "Rg2"]
{ KQPvKRR with DTZ 52 } 1... Ka7 2. Qg1+ Ka6 3. Qg6+ Ka5 4. Qf5+ Kb4 5. Ke1 Rdc2 6. Qf8+ Kb3 7. Qb8+ Ka3 8. Kd1 Rd2+ 9. Ke1 Re2+ 10. Kf1 Rf2+ 11. Ke1 Rae2+ 12. Kd1 Rd2+ 13. Ke1 Rfe2+ 14. Kf1 Rh2 15. Qa8+ Kb2 16. Kg1 Rhe2 17. Kf1 Rc2 18. Qa4 Rh2 19. Qb4+ Ka1 20. Qe1+ Ka2 21. Qe6+ Kb2 22. Qe5+ Kb1 23. Kg1 Rhd2 24. Qb5+ Rb2 25. Qa4 Rdc2 26. Qe4 Rc1+ 27. Qe1 Rxe1# { Checkmate } 1-0
[/pgn]