Depth 59 in 0 seconds, Little Thought depth 127 in 5 seconds

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Moderator: Ras

kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 4:19 pm

Depth 59 in 0 seconds, Little Thought depth 127 in 5 seconds

Post by kgburcham »

[d] k7/6p1/1p3pP1/1Pp1pP2/2PpP3/3P4/8/7K w - -


Rybka 2.3.2a

59.00 0:00 0.00 1.Kg2 Kb7 2.Kf3 Kc7 3.Ke2 Kd6 4.Kf3 Kc7 5.Ke2 Kd6 6.Kf3 Kc7 7.Ke2 Kd6 (344) 22
best move: Kh1-g2 time: 1:07.391 min n/s: 5 nodes: 345

Little Thought

127/73 0:05 0.00 1.Kg2 Kb7 2.Kh3 Kb8 3.Kh4 Kc8 4.Kg4 Kd7 5.Kh3 Kc7 6.Kg4 Kd6 7.Kf3 Kd7 8.Kg3 Kc7 9.Kg4 (6.032.104) 1043

Rybka goes to depth 59 without calculating past 0 seconds. all others seem to calculate. Dan, do any of your other programs max out depth search as quick as Rybka?

kburcham
Dann Corbit
Posts: 12845
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Depth 59 in 0 seconds, Little Thought depth 127 in 5 sec

Post by Dann Corbit »

kgburcham wrote:[d] k7/6p1/1p3pP1/1Pp1pP2/2PpP3/3P4/8/7K w - -


Rybka 2.3.2a

59.00 0:00 0.00 1.Kg2 Kb7 2.Kf3 Kc7 3.Ke2 Kd6 4.Kf3 Kc7 5.Ke2 Kd6 6.Kf3 Kc7 7.Ke2 Kd6 (344) 22
best move: Kh1-g2 time: 1:07.391 min n/s: 5 nodes: 345

Little Thought

127/73 0:05 0.00 1.Kg2 Kb7 2.Kh3 Kb8 3.Kh4 Kc8 4.Kg4 Kd7 5.Kh3 Kc7 6.Kg4 Kd6 7.Kf3 Kd7 8.Kg3 Kc7 9.Kg4 (6.032.104) 1043

Rybka goes to depth 59 without calculating past 0 seconds. all others seem to calculate. Dan, do any of your other programs max out depth search as quick as Rybka?

kburcham
Almost all engines solve this position instantly to the maximum depth that they allow search (to avoid array overflow).

This position is much more interesting and has a similar theme:
[d]1b1b1b1k/8/1p3p2/1Pp1pPp1/2PpP1P1/3P4/8/1B1B1B1K w - -

I am testing it now to see how fast engines recognize the draw that any human can see at a glance.
sorcerers_apprentice

Re: Depth 59 in 0 seconds, Little Thought depth 127 in 5 sec

Post by sorcerers_apprentice »

Hello,
Very nice position! HIARCS 12 MP seems to see the draw at a glance, too

Code: Select all


1b1b1b1k/8/1p3p2/1Pp1pPp1/2PpP1P1/3P4/8/1B1B1B1K w - -

Engine: HIARCS 12 MP (512 MB)
by Mark John Uniacke

26/27  0:01   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bbc7 
                       10.Ba4 Bb8 (1.675.620) 1455 

27/27  0:01   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd6 (2.038.189) 1483 

28/29  0:01   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Ba4 Bcd6 (2.474.701) 1509 

29/30  0:01   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Bc2 Bcd6 (3.040.190) 1538 

30/30  0:02   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Bc2 Bcd6 (3.747.485) 1552 

31/30  0:02   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Bc2 Bcd6 (4.429.876) 1579 

32/33  0:03   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bdc7 
                       13.Be2 Bf8 (5.496.623) 1618 

33/33  0:03   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (6.477.019) 1646 

34/33  0:04   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (7.795.865) 1668 

35/34  0:05   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 
                       13.Bb3 (8.914.516) 1688 

36/34  0:06   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Bc2 Bcd6 (10.528.758) 1712 

37/34  0:06   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd8 11.Ba4 Bf8 12.Bed1 Bdc7 
                       13.Be2 Bcd6 (12.151.800) 1737 

38/34  0:08   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (14.167.668) 1741 

39/38  0:09   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 
                       13.Bb3 Kg7 14.Ba2 (16.442.652) 1754 

40/38  0:10   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (19.338.624) 1776 

41/39  0:13   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 
                       13.Bb3 Kg7 14.Ba2 (23.437.908) 1795 

42/39  0:14   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd8 11.Ba4 Bf8 12.Bed1 Bdc7 
                       13.Be2 Bcd6 (26.129.560) 1803 

43/39  0:17   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (31.457.734) 1820 

44/39  0:19   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd8 11.Ba4 Bf8 12.Bed1 Bdc7 
                       13.Be2 Bcd6 (35.976.096) 1829 

45/41  0:21   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd8 11.Ba4 Bf8 12.Bed1 Bdc7 
                       13.Be2 Bcd6 (40.499.909) 1837 

46/43  0:25   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bh6 11.Bc2 Bd6 12.Bb3 Bg7 (47.322.640) 1842 

47/43  0:28   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (53.657.420) 1859 

48/45  0:32   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (60.271.850) 1873 

49/47  0:36   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (69.084.620) 1884 

50/47  0:42   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (81.606.996) 1902 

51/50  0:49   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 
                       13.Bb3 Kg7 14.Ba2 (94.903.857) 1915 

52/50  0:56   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (109.771.647) 1927 

best move: Kh1-g2 time: 1:00.919 min  n/s: 1.929.578  nodes: 116.857.392 
Dann Corbit
Posts: 12845
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Depth 59 in 0 seconds, Little Thought depth 127 in 5 sec

Post by Dann Corbit »

sorcerers_apprentice wrote:Hello,
Very nice position! HIARCS 12 MP seems to see the draw at a glance, too

Code: Select all


1b1b1b1k/8/1p3p2/1Pp1pPp1/2PpP1P1/3P4/8/1B1B1B1K w - -

Engine: HIARCS 12 MP (512 MB)
by Mark John Uniacke

26/27  0:01   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bbc7 
                       10.Ba4 Bb8 (1.675.620) 1455 

27/27  0:01   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd6 (2.038.189) 1483 

28/29  0:01   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Ba4 Bcd6 (2.474.701) 1509 

29/30  0:01   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Bc2 Bcd6 (3.040.190) 1538 

30/30  0:02   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Bc2 Bcd6 (3.747.485) 1552 

31/30  0:02   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Bc2 Bcd6 (4.429.876) 1579 

32/33  0:03   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bdc7 
                       13.Be2 Bf8 (5.496.623) 1618 

33/33  0:03   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (6.477.019) 1646 

34/33  0:04   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (7.795.865) 1668 

35/34  0:05   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 
                       13.Bb3 (8.914.516) 1688 

36/34  0:06   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bf8 11.Bc2 Bcd6 (10.528.758) 1712 

37/34  0:06   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd8 11.Ba4 Bf8 12.Bed1 Bdc7 
                       13.Be2 Bcd6 (12.151.800) 1737 

38/34  0:08   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (14.167.668) 1741 

39/38  0:09   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 
                       13.Bb3 Kg7 14.Ba2 (16.442.652) 1754 

40/38  0:10   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (19.338.624) 1776 

41/39  0:13   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 
                       13.Bb3 Kg7 14.Ba2 (23.437.908) 1795 

42/39  0:14   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd8 11.Ba4 Bf8 12.Bed1 Bdc7 
                       13.Be2 Bcd6 (26.129.560) 1803 

43/39  0:17   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (31.457.734) 1820 

44/39  0:19   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd8 11.Ba4 Bf8 12.Bed1 Bdc7 
                       13.Be2 Bcd6 (35.976.096) 1829 

45/41  0:21   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bd8 11.Ba4 Bf8 12.Bed1 Bdc7 
                       13.Be2 Bcd6 (40.499.909) 1837 

46/43  0:25   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Bh6 11.Bc2 Bd6 12.Bb3 Bg7 (47.322.640) 1842 

47/43  0:28   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (53.657.420) 1859 

48/45  0:32   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (60.271.850) 1873 

49/47  0:36   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 (69.084.620) 1884 

50/47  0:42   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (81.606.996) 1902 

51/50  0:49   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Kg8 11.Bc2 Bd6 12.Ba4 Bgf8 
                       13.Bb3 Kg7 14.Ba2 (94.903.857) 1915 

52/50  0:56   -0.01    1.Kg2 Kg7 2.Kf3 Kf7 3.Bbc2 Bdc7 
                       4.Bg2 Bcd6 5.Bb3 Bg7 6.Be2 Bh6 
                       7.Bed1 Bhf8 8.Ba4 Bg7 9.Bab3 Bdc7 
                       10.Be2 Ke7 11.Bed1 Bd6 12.Ba4 Bf8 
                       13.Bab3 (109.771.647) 1927 

best move: Kh1-g2 time: 1:00.919 min  n/s: 1.929.578  nodes: 116.857.392 
Dann Corbit
Posts: 12845
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Depth 59 in 0 seconds, Little Thought depth 127 in 5 sec

Post by Dann Corbit »

The machine ate my message.
Similar themes:

2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - bm Rb4; id "WAC.230";
2r5/3k1pr1/p3q1p1/Pp1pPpPp/1PpP1Q2/2P4R/5PPK/4R3 b - -
3qrrk1/5p1p/bp1p2pb/p2Pp3/P1PpPP2/1P1Q2PB/3NR2P/5RK1 w - -
4k3/2p5/1p2p1p1/p1p1P1P1/P1P3p1/1P6/5PK1/8 b - -
4r2k/1r4p1/3q1p1p/1PbNpB1P/2PpP1P1/pQ1K4/P7/7R w - -
4r3/4r1p1/1ppkppp1/1p6/1P1P1P1P/P1P1R1P1/1K2R3/8 w - -
6k1/6pp/2p1qrr1/1pRp1p2/p2P1P2/P3PR1P/1PQ3PK/8 w - -
6r1/1p2kp2/p1p2p2/P3bR2/1PB1P1Pp/2P4P/2K5/8 b - -
8/1b6/1p1k1p2/pP1p1Pp1/P5Pp/2P1N2P/3K4/8 b - -
8/2p2b2/1p1k1b2/2p2p1p/2P4P/1P1NKPP1/4N3/8 w - -
8/3k4/2p2p2/1pP1n1p1/1P2BbP1/7P/8/B2K4 w - -
8/6p1/1p5p/p1p1k2P/P2pB1K1/1P1P4/3bP3/8 b - -
8/8/6b1/p4p1p/k2Np3/P3P1P1/1K3P2/8 w - -
8/8/p4k2/1p2p1pp/1P2P3/P4PP1/6K1/8 w - -
8/p7/2b1k1pp/2p2p2/1pP2P2/1P1BK1P1/P6P/8 w - -
bob
Posts: 20943
Joined: Mon Feb 27, 2006 7:30 pm
Location: Birmingham, AL

Re: Depth 59 in 0 seconds, Little Thought depth 127 in 5 sec

Post by bob »

kgburcham wrote:[d] k7/6p1/1p3pP1/1Pp1pP2/2PpP3/3P4/8/7K w - -


Rybka 2.3.2a

59.00 0:00 0.00 1.Kg2 Kb7 2.Kf3 Kc7 3.Ke2 Kd6 4.Kf3 Kc7 5.Ke2 Kd6 6.Kf3 Kc7 7.Ke2 Kd6 (344) 22
best move: Kh1-g2 time: 1:07.391 min n/s: 5 nodes: 345

Little Thought

127/73 0:05 0.00 1.Kg2 Kb7 2.Kh3 Kb8 3.Kh4 Kc8 4.Kg4 Kd7 5.Kh3 Kc7 6.Kg4 Kd6 7.Kf3 Kd7 8.Kg3 Kc7 9.Kg4 (6.032.104) 1043

Rybka goes to depth 59 without calculating past 0 seconds. all others seem to calculate. Dan, do any of your other programs max out depth search as quick as Rybka?

kburcham
Crafty on a slow computer:

Code: Select all

               60->   0.17   0.01   1. Kg2 Kb7 2. Kg3 Kc7 3. Kf3 Kd7 4.
                                    Kg4 Kd6 5. Kh3 Ke7 6. Kg2 Kd7 7. Kf2
                                    Kd6 8. Kf1 Kd7 9. Ke1 Kc7 10. Ke2 Kd6
                                    11. Kd1 Kc7 12. Kc1 Kd7 13. Kb2 Kd6
                                    14. Kc2 Kc7 15. Kb1 Kd6 16. Kb2 Kc7
                                    17. Kb3 Kd6 18. Ka3 Kc7 19. Kb2 Kd6
60 plies is as deep as it can search, took .017 seconds on this slow computer to reach it.