Author: Uri Blass
Date: 09:23:55 03/21/05
Go up one level in this thread
On March 20, 2005 at 08:25:55, Eduard Nemeth wrote: >On March 18, 2005 at 22:11:39, Mike Byrne wrote: > >>Many engines will show this as mate-in-66 with Rxf5. But if your engines plays >>Rxf5, it will be a drawn game under current FIDE rules. However there are many >>shorter mates (<less than 50 moves) that begin with Kd6 . >> >>[d]5k2/3K4/8/R4b2/1R6/8/3B4/5r2 w - - 0 1 >> >>Best, >> >>Michael > > >All Engines with 5-6 pices TBs will plays this bad line with a 50 Rules draw: > >[Event "?"] >[Site "?"] >[Date "2005.03.20"] >[Round "?"] >[White "?"] >[Black "?"] >[Result "*"] >[SetUp "1"] >[FEN "5k2/3K4/8/R4b2/1R6/8/3B4/5r2 w - -"] > >1. Rxf5+ Rxf5 2. Ke6 Rc5 3. Rf4+ Kg8 4. Rg4+ Kh7 5. Bf4 Rb5 >6. Be3 Rb1 7. Kf7 Rb7+ 8. Kf6 Rb3 9. Rg7+ Kh8 10. Re7 Rc3 >11. Bf4 Rc6+ 12. Kf7 Ra6 13. Be3 Rc6 14. Ra7 Kh7 15. Rd7 >Rc8 16. Bg5 Rb8 17. Rd1 Rb7+ 18. Be7 Rb6 19. Bd6 Rb7+ >20. Kf6 Rb3 21. Rh1+ Kg8 22. Rg1+ Kh7 23. Rg7+ Kh8 24. Rd7 >Rb2 25. Bc5 Rc2 26. Rd5 Rc3 27. Bd6 Rc1 28. Rh5+ Kg8 >29. Be5 Rb1 30. Rg5+ Kh7 31. Rg7+ Kh8 32. Ra7 Rb6+ 33. Kf7+ >Kh7 34. Bf4 Rb4 35. Kf6+ Kh8 36. Ra8+ Kh7 37. Be5 Rb1 >38. Ra7+ Kg8 39. Bd4 Rf1+ 40. Ke6 Rf7 41. Ra1 Rf8 42. Rh1 >Re8+ 43. Kf6 Re2 44. Rg1+ Kf8 45. Be5 Ke8 46. Ke6 Rf2 >47. Rh1 Rf7 48. Rh8+ Rf8 49. Rh7 Rf2 50. Ra7 Rd2 * > >And draw! > >But, after Kd6, yes, I seems that white can wins with a 50 Rules line. > >But Computers plays another. No Human will here Play Rxf5?! I am sure. > >Best, >Eduard You can be sure that no movei will play here Rxf5 even with tablebases. even after using tablebases not at the root long mates are translated to small scores and it will prefer a bigger advantage. Uri
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