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Subject: Re: Looking for Fine endgame test suite.

Author: Tim Foden

Date: 09:47:53 03/27/03

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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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