Author: David Dahlem
Date: 09:57:30 03/27/03
Go up one level in this thread
On March 27, 2003 at 12:47:53, Tim Foden wrote: Hi Tim Thanks for all this info. I'll change my epd file to reflect these alternate solutions and run the test again. :-) Regards Dave >Hehe. Now that I have seen pictures of the positions, I see that most of them >are in the 5 piece tablebases! > >Thus it is very easy to confirm the best moves. >>[d]8/4p3/4k3/8/4K3/8/3PP3/8 w - - bm Kd4 d4; id "Fine 36"; >> >>Possible alternate solution: >> 22 5.428 +9.993 5814645 d3 Kd6 2. d4 e6 3. e3 Kc6 4. Ke5 Kd7 5. d5 exd5 6. >> Kxd5 Ke7 7. Ke5 Kd7 8. Kf6 Kd6 9. e4 Kd7 10. e5 >> Ke8 11. Ke6 Kf8 > >It looks like any move is a valid solution to this one. > >>[d]8/8/3k1p2/5P2/3K4/8/3P4/8 w - - bm Ke4 d3; id "Fine 22"; >> >>Possible alternate solution: >> 26 11.356 +9.999 14129k Kc4 Ke5 2. d4+ Kd6 3. d5 Ke7 4. Kc5 Kd7 5. d6 Kd8 >> 6. Kc4 Kc8 7. Kd4 Kd8 8. Kc5 Kd7 9. Kd5 Kd8 10. >> Ke6 Ke8 11. Kxf6 Kd7 12. Kg7 Kxd6 13. f6 Ke5 14. >> f7 Ke4 > >Kc4 Mate in 20 >d3 Mate in 22 >Ke4 Mate in 24 > >other moves draw. > >>[d]8/8/3kp3/8/3PP3/3K4/8/8 w - - bm Kc3 Ke3; id "Fine 37"; > >>Possible alternate solution: >> 24 3.896 +10.171 4441784 Kc4 Kd7 2. Kc5 Kc7 3. e5 Kd7 4. Kb6 Kd8 5. Kc6 Ke8 >> 6. Kd6 Kd8 7. Kxe6 Kc7 8. Kf6 Kc6 9. e6 Kd6 10. >> e7 Kd5 11. e8=Q Kxd4 12. Qe5+ Kd3 13. Qd5+ Ke3 >> 14. Ke5 > >Kc4 M24 >Kc3 M25 >Ke2 M26 >Ke3 M26 >Kd2 M26 >Kc2 M26 > >>[d]8/8/8/8/4k1p1/8/4KPP1/8 w - - bm f3; id "Fine 38"; >> >>Possible alternate solution: >> 30 13.640 +9.993 17325k g3 Kd4 2. f4 Ke4 3. Kd1 Kd4 4. Kd2 Ke4 5. Kc3 Kf5 >> 6. Kd4 Kf6 7. Ke4 Ke6 8. f5+ Kf6 9. Kf4 Kg7 10. >> Kxg4 Kf7 11. Kh5 Kg7 12. g4 Kf7 13. g5 Kf8 14. >> g6 Ke8 15. f6 Kd7 16. f7 Ke7 17. f8=Q+ Kxf8 > >g3 Mate in 26 >Kd2 Mate in 28 >Ke1 Mate in 30 >Kf1 Mate in 31 >Kd1 Mate in 31 > >other moves draw. > >>[d]8/pp2k3/8/3PPK2/8/8/8/8 w - - bm d6; id "Fine 47"; >> >>Possible alternate solution: >> 16 5.858 +8.492 6347970 e6 b5 2. Ke5 a6 3. d6+ Ke8 4. Kf6 b4 5. d7+ Kd8 6. >> Kf7 a5 7. Kf8 a4 8. e7+ Kxd7 9. e8=Q+ Kd6 10. >> Qe7+ Kc6 11. Qxb4 >> >> >>If anyone else can confirm or deny these, please do so. >> >>Cheers, Tim. >> >>PS. Some of the others look suspect as well, but the idea may be to draw so >>it's not so easy to tell.
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