Discussion of anything and everything relating to chess playing software and machines.
Moderators: hgm, Harvey Williamson, bob
Forum rules
This textbox is used to restore diagrams posted with the [d] tag before the upgrade.
-
Vinvin
- Posts: 4023
- Joined: Thu Mar 09, 2006 8:40 am
Post
by Vinvin » Tue Jul 12, 2016 11:56 pm
[d]4k3/5ppp/8/8/8/8/PPP5/3K4 w - - 0 1
Info about Szén position :
https://chessprogramming.wikispaces.com ... enPosition
On an i7 6*4 GHz, Stockfish_160708_x64_modern_fast, 6 pieces Syzygy.
Ke2 with a score > +3.00 found in 4 runs in 10, 18, 12 and 13 seconds !
One example :
Code: Select all
FEN: 4k3/5ppp/8/8/8/8/PPP5/3K4 w - - 0 1
Stockfish_160708_x64_modern_fast:
...
31/38 00:02 32 064k 12 950k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.a5 Kb5 7.b4 Ka6 8.Kh3 Kb5 9.Kg4
32/38 00:02 35 457k 13 088k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.a5 Kb5 7.b4 Ka6 8.Kh3 Kb5 9.Kg4
33/38 00:03 43 874k 13 050k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.a5 Kb5 7.b4 Ka6 8.Kh3 Kb5 9.Kg4
34/38 00:03 48 491k 13 155k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.a5 Kb5 7.b4 Ka6 8.Kh3 Kb5 9.Kg4
35/41 00:04 58 854k 13 223k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.c4 Kb6 7.Kh3 Kb7 8.Kg4 Kb6
36/46+ 00:08 133 958k 15 009k +0,06 1.Ke2
36/46+ 00:08 134 004k 15 011k +0,13 1.Ke2
36/46+ 00:33 587 397k 17 307k +46,96 1.Ke2
-
MikeB
- Posts: 2522
- Joined: Thu Mar 09, 2006 5:34 am
- Location: Pen Argyl, Pennsylvania
Post
by MikeB » Wed Jul 13, 2016 3:07 am
Vinvin wrote:[d]4k3/5ppp/8/8/8/8/PPP5/3K4 w - - 0 1
Info about Szén position :
https://chessprogramming.wikispaces.com ... enPosition
On an i7 6*4 GHz, Stockfish_160708_x64_modern_fast, 6 pieces Syzygy.
Ke2 with a score > +3.00 found in 4 runs in 10, 18, 12 and 13 seconds !
One example :
Code: Select all
FEN: 4k3/5ppp/8/8/8/8/PPP5/3K4 w - - 0 1
Stockfish_160708_x64_modern_fast:
...
31/38 00:02 32 064k 12 950k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.a5 Kb5 7.b4 Ka6 8.Kh3 Kb5 9.Kg4
32/38 00:02 35 457k 13 088k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.a5 Kb5 7.b4 Ka6 8.Kh3 Kb5 9.Kg4
33/38 00:03 43 874k 13 050k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.a5 Kb5 7.b4 Ka6 8.Kh3 Kb5 9.Kg4
34/38 00:03 48 491k 13 155k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.a5 Kb5 7.b4 Ka6 8.Kh3 Kb5 9.Kg4
35/41 00:04 58 854k 13 223k 0,00 1.a4 Kd7 2.Ke2 Kc6 3.Kf3 h5 4.Kf4 h4 5.Kg4 g5 6.c4 Kb6 7.Kh3 Kb7 8.Kg4 Kb6
36/46+ 00:08 133 958k 15 009k +0,06 1.Ke2
36/46+ 00:08 134 004k 15 011k +0,13 1.Ke2
36/46+ 00:33 587 397k 17 307k +46,96 1.Ke2
That is impressive.
-
MikeB
- Posts: 2522
- Joined: Thu Mar 09, 2006 5:34 am
- Location: Pen Argyl, Pennsylvania
Post
by MikeB » Wed Jul 13, 2016 3:58 am
K sees the mate score in about 30 seconds on my machine - playing K vs K shows that it is a Mate in 38.
[pgn][Event "Computer Chess Game"]
[Site "Mac-Pro.local"]
[Date "2016.07.12"]
[Round "-"]
[White "Komodo 10 64-bit"]
[Black "Komodo 10 64-bit"]
[Result "1-0"]
[TimeControl "3600+60"]
[FEN "4k3/5ppp/8/8/8/8/PPP5/3K4 w - - 0 1"]
[SetUp "1"]
1. Ke2 {+250.00/36} Kd7 {-250.00/36 31} 2. a4 {+250.00/39 22} Kd6
{-250.00/38 26} 3. a5 {+250.00/37 16} Kc6 {-250.00/39 7} 4. c4
{+250.00/40 6} Kb7 {-250.00/40 9} 5. c5 {+250.00/43 7} h5 {-250.00/39 6} 6.
Kf2 {+250.00/48 8} h4 {-250.00/41 7} 7. Kg2 {+250.00/50 7} g5
{-250.00/51 9} 8. Kh3 {+250.00/52 5} Kb8 {-250.00/53 5} 9. b3
{+250.00/53 5} Kb7 {-250.00/54 8} 10. b4 {+250.00/53 3} f5 {-250.00/54 5}
11. Kh2 {+250.00/52 6} f4 {-250.00/53 5} 12. Kg2 {+250.00/51 5} g4
{-250.00/52 6} 13. Kg1 {+250.00/52 5} h3 {-250.00/49 4} 14. Kh2
{+250.00/51 4} f3 {-250.00/46 4} 15. Kg3 {+250.00/47 3} Kb8 {-250.00/45 4}
16. a6 {+250.00/43 2.6} Ka8 {-250.00/47 3} 17. c6 {+250.00/51 4} Kb8
{-250.00/46 9} 18. b5 {+250.00/50 2.9} f2 {-250.00/47 15} 19. Kxf2
{+250.00/46 3} h2 {-250.00/45 2.5} 20. Kg2 {+250.00/49 2.9} g3
{-250.00/45 2.8} 21. b6 {+250.00/48 4} Ka8 {-250.00/46 3} 22. b7+
{+250.00/46 3} Kb8 {-250.00/99 0.1} 23. Kh1 {+250.00/99 0.1} Kc7
{-250.00/99 0.1} 24. b8=Q+ {+250.00/99 0.1} Kxb8 {-250.00/99 0.1} 25. Kg2
{+1010.00/5 0.1} Ka7 {-1000.13/35 3} 26. c7 {+1010.00/5 0.1} Kxa6
{-1000.12/36 2.1} 27. c8=Q+ {+1000.12/36 2.2} Kb6 {-1000.11/37 1.9} 28. Qh3
{+1000.11/33 2.1} Kb5 {-1000.10/37 2.3} 29. Kxg3 {+1000.10/40 1.8} Ka4
{-1000.09/47 2.5} 30. Qxh2 {+1000.09/45 1.9} Kb3 {-1000.08/87 3} 31. Kf4
{+1000.08/66 1.8} Kc3 {-1000.07/99 0.8} 32. Ke3 {+1000.07/71 0.6} Kc4
{-1000.06/99 0.2} 33. Qe5 {+1000.06/99 0.7} Kb3 {-1000.05/99 0.1} 34. Qd4
{+1000.05/99 0.1} Ka2 {-1000.04/99 0.1} 35. Qb4 {+1000.04/99 0.1} Ka1
{-1000.03/5 0.1} 36. Kd3 {+1000.03/99 0.1} Ka2 {-1000.02/5 0.1} 37. Kc3
{+1000.02/99 0.1} Ka1 {-1000.01/5 0.1} 38. Qb2# {+1000.01/99 0.1}
{White mates} 1-0[/pgn]
