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Subject: Re: Dann, did anyone get back to you how long it took to solve these ??

Author: Uri Blass

Date: 22:03:01 12/10/04

Go up one level in this thread


On December 11, 2004 at 00:30:11, Uri Blass wrote:

>On December 11, 2004 at 00:15:54, Uri Blass wrote:
>
>>On December 11, 2004 at 00:01:13, Les Fernandez wrote:
>>
>>>On December 10, 2004 at 22:15:09, Uri Blass wrote:
>>>
>>>>On December 10, 2004 at 21:47:46, Uri Blass wrote:
>>>>
>>>>>On December 10, 2004 at 21:06:42, Uri Blass wrote:
>>>>>
>>>>>>On December 10, 2004 at 02:17:59, Les Fernandez wrote:
>>>>>>
>>>>>>>On December 10, 2004 at 00:09:02, Uri Blass wrote:
>>>>>>>
>>>>>>>>On December 09, 2004 at 23:57:26, Les Fernandez wrote:
>>>>>>>>
>>>>>>>>>On December 09, 2004 at 00:41:18, Uri Blass wrote:
>>>>>>>>>
>>>>>>>>>>Here are results for default movei for the first 11 positions in the seond set
>>>>>>>>>>
>>>>>>>>>>Note that movei was not designed to solve mates and I am sure it could do
>>>>>>>>>>clearly better than it in case that it was designed for that purpose.
>>>>>>>>>>
>>>>>>>>>>It gets a mate score in less than 62 seconds for everyone of them.
>>>>>>>>>>The big number is the number of nodes and I also gave translation of the score
>>>>>>>>>>to distance to mate.
>>>>>>>>>>
>>>>>>>>>>11 9987  371  2214115 mate in 7 d8g8
>>>>>>>>>>14 9985 5462 28819188 mate in 8 b5a4
>>>>>>>>>>14 9985 6195 32582992 mate in 8 b4a4
>>>>>>>>>>14 9985 5337 27793757 mate in 8 c4a4
>>>>>>>>>>14 9985 5728 29850523 mate in 8 d4a4
>>>>>>>>>>14 9985 6157 32404314 mate in 8 b3a4
>>>>>>>>>>14 9985 5748 30085900 mate in 8 c2a4
>>>>>>>>>>11 9987  548  2972896 mate in 7 e8e5
>>>>>>>>>>9  9987  195   978781 mate in 7 e7e1
>>>>>>>>>>6  9993    6    22984 mate in 4 e5a5
>>>>>>>>>>9  9987  160   836546 mate in 7 e4e1
>>>>>>>>>>
>>>>>>>>>>Uri
>>>>>>>>>
>>>>>>>>>Hi Uri,
>>>>>>>>>
>>>>>>>>>First thanks for giving it a go.  What hardware are you running them on and do
>>>>>>>>>you plan on running all of them?  It is of interest to me to know the total time
>>>>>>>>>it took to solve the set, but understand that is is rather time consuming.
>>>>>>>>>
>>>>>>>>>Talk to you soon,
>>>>>>>>>
>>>>>>>>>Les
>>>>>>>>
>>>>>>>>I used A3000
>>>>>>>>I will certainly not run all the positions manually.
>>>>>>>>
>>>>>>>>I may do it automatically not based on fixed time but based on stopping when it
>>>>>>>>finds mate but I need first to finish some tool to analyze epd file.
>>>>>>>>
>>>>>>>>Uri
>>>>>>>
>>>>>>>Hi Uri,
>>>>>>>
>>>>>>>I certainly can appreciate not doing it manually.  Listen perhaps when you have
>>>>>>>time you can just look at the first 10 positions of the second set of positions
>>>>>>>since they were much more difficult.  If you have trouble finding them I can
>>>>>>>always repost them.  Thanks for your time.
>>>>>>>
>>>>>>>Les
>>>>>>
>>>>>>my results are for them and not for the easy positions.
>>>>>>
>>>>>>Uri
>>>>>
>>>>>I can add that I now test the easy positions automatically and it seems that
>>>>>part of them are not so easy.
>>>>>
>>>>>I expected based on Antony that movei on A1000 will solve all of them in a short
>>>>>time but it does not do it.
>>>>>
>>>>>I implemented function to analyze epd and not leave a position before mate
>>>>>unless very long time was used and I test it with this function.
>>>>>
>>>>>The fact that there are a lot of easy problems does not mean that all of them
>>>>>are easy and solving all the positions on p233 in less than a minute(not one of
>>>>>them) is clearly a good result.
>>>>
>>>>correction
>>>>I remembered wrong:
>>>>
>>>>Dann Corbit said:
>>>>"There is a utility that computes all the answers in under a minute on a Pentium
>>>>II, 166 MHz."
>>>>
>>>>There are not small number of cases when
>>>>Movei on A1000 needs some minutes to solve positions in the set that was defined
>>>>as the easy test.
>>>>
>>>>I see on the screen the following output that means that movei needed almost
>>>>1000 seconds to solve one of the position and more than 700 seconds to solve
>>>>another position(1000 seconds is the time limit that I gave movei to solve the
>>>>positions and with more than 1000 seconds it should not search even if it finds
>>>>no mate.
>>>>
>>>> 12 9983 98807 210114214 g4d4 a3e3 b8g3 f2g1 d4e3 g1h1 h3g2 h1g2 e3f2 g2h1 f8f5
>>>>e2f1 f5h5 f1h3 h5h3 f3h2 h3h2
>>>>
>>>> 12 9983 73247 155531978 h4d4 a3e3 b8g3 f2g1 d4e3 g1h1 h3g2 h1g2 e3f2 g2h1 f8f5
>>>>e2f1 f5h5 f1h3 h5h3 f3h2 h3h2
>>>>
>>>> 12 9983 14458 26428369 c3d4 a3e3 b8g3 f2g1 d4e3 g1h1 h3g2 h1g2 e3f2 g2h1 f8f5
>>>>2f1 f5h5 f1h3 h5h3 f3h2 h3h2
>>>>
>>>> 12 9983 14318 26932012 d3d4 a3e3 b8g3 f2g1 d4e3 g1h1 h3g2 h1g2 e3f2 g2h1 f8f5 e
>>>>2f1 f5h5 f1h3 h5h3 f3h2 h3h2
>>>>
>>>>It seems that the positions are almost the same based on the pv and I suspect
>>>>that the relevant tool that Dan Corbit used simply does not clear it's hash
>>>>between positions.
>>>>
>>>>Uri
>>>
>>>Hi Uri,
>>>
>>>I must say first thank you for trying to solve these positions.  When you are
>>>done with however many you can I would also be interested in knowing how long
>>>each ONE took to solve if you keep the output of the analyses.  Good work Uri.
>>>
>>>Les
>>
>>Movei is still busy in mirror positions
>>
>>It seems that there was one unsolved position in the easy test in 1000 seconds.
>>Unfortunately this version does not print the fen of the position in the screen
>>so I will have to use the pv to pick the relevant position
>>
>>I detect based on the pv:
>>
>>quuen at g5
>>rook or queen at a6
>>bishop or queen at b1
>>king or queen(probably king) at f7
>>bishop or king at h6
>>knight at d7
>>bishop or queen at e7
>>rook king or queen at d8
>>rook or queen at f1
>>11 1139 33180 69023962 g5d5 a6e6 b1g6 f7g8 d5e6 g8h8 h6g5 d7f8 g5f6 e7f6 e6e8 d
>>8e8 g6e8 f6e7 f1f5 b4c3 b2c3
>>
>>now it seems that it has the mirror position under analyze and also has problems
>>to finish depth 11.
>>
>>Uri
>
>The mirror position was solved but it seems that every position appear 4 times
>because except mirrors the d-e mirroring there is the white-black mirroring.
>
>Movei is already running for almost 3 hours on these positions.
>I do other things like posting at the same time but they do not cause big slow
>down.
>
> 11 1139 22151 47686072 b5e5 h6d6 g1b6 c7b8 e5d6 b8a8 a6b5 e7c8 b5c6 d7c6 d6d8 e
>8d8 b6d8 c6d7 c1c5 g4f3 g2f3
> 11 1139 88188 189632493 b5e5 h6d6 g1b6 c7b8 e5d6 b8a8 a6b5 e7c8 b5c6 d7c6 d6d8
>e8d8 b6d8 c6d7 c1c5 g4f3 g2f3
>12 1169 89243 191639687 b5e5
>12 1239 89281 191700782 b5e5
> 12 9983 90015 193452849 b5e5 h6d6 g1b6 c7b8 e5d6 b8a8 a6b7 a8b7 d6c7 b7a8 c1c4
>d7c8 c4a4 c8a6 a4a6 c6a7 a6a7
>
>Uri

I decided to stop when movei still did not analayze the following positions.

The first position is example to position that is not easy.

I guess it needed total time near 6 hours to solve all of the positions.

3rq3/2kbn3/Bpn4r/Q3p2p/4P1p1/1N3P2/PP4PP/1KR3B1 w - -
4r1b1/k1p4p/p1n3p1/5pP1/1bqp1Q1P/P1P1P3/4RRB1/K1B5 b - -
4r1b1/k1p4p/p1n3p1/5pP1/2qp1Q1P/P1P1P3/3bRRB1/K1B5 b - -
4r1b1/k1p4p/p1n3p1/5pP1/2qp1Q1P/P1P1P3/4RRB1/K1B1b3 b - -
4r1b1/k1p4p/p1n3p1/5pP1/2qp1Q1P/P1b1P3/4RRB1/1KB5 b - -
4r1b1/k1p4p/p1n3p1/b4pP1/2qp1Q1P/P1P1P3/4RRB1/K1B5 b - -
5b1k/1brr4/3p1p1p/p1q1PQ2/1pP4B/1P3N1P/P4P1K/1B1R4 w - -
5b1k/1brr4/3p1p1p/p1q1PQB1/1pP5/1P3N1P/P4P1K/1B1R4 w - -
5b1k/1brrB3/3p1p1p/p1q1PQ2/1pP5/1P3N1P/P4P1K/1B1R4 w - -
5bk1/1brr4/3p1B1p/p1q1PQ2/1pP5/1P3N1P/P4P1K/1B1R4 w - -
5bk1/1brr4/3p1B1p/p1q1PQ2/1pP5/1P3N1P/P4P1K/1B2R3 w - -
5bk1/1brr4/3p1B1p/p1q1PQ2/1pP5/1P3N1P/P4P1K/1B3R2 w - -
5bk1/1brr4/3p1B1p/p1q1PQ2/1pP5/1P3N1P/P4P1K/1B5R w - -
5bk1/1brr4/3p1B1p/p1q1PQ2/1pP5/1P3N1P/P4P1K/1BR5 w - -
5rb1/k1p4p/p1n3p1/5pP1/2qp1Q1P/P1b1P3/4RRB1/1KB5 b - -
8/1p1n4/1P2p3/2B1P3/3P1r1p/3K3n/qPP1P2P/3k2b1 b - -
8/1p6/1P2p3/2B1P3/3P1r1p/1n1K3n/qPP1P2P/3k2b1 b - -
8/1p6/1P2p3/2B1P3/3Pnr1p/3K3n/qPP1P2P/3k2b1 b - -
8/1p6/1P2p3/2B1P3/n2P1r1p/3K3n/qPP1P2P/3k2b1 b - -
8/1p6/nP2p3/2B1P3/3P1r1p/3K3n/qPP1P2P/3k2b1 b - -
8/4n1p1/3p2P1/3P1B2/p1r1P3/n3K3/P2P1PPq/1b2k3 b - -
8/6p1/3p2P1/3P1B2/p1r1P2n/n3K3/P2P1PPq/1b2k3 b - -
8/6p1/3p2P1/3P1B2/p1r1P3/n3K1n1/P2P1PPq/1b2k3 b - -
8/6p1/3p2P1/3P1B2/p1rnP3/n3K3/P2P1PPq/1b2k3 b - -
8/6p1/3p2Pn/3P1B2/p1r1P3/n3K3/P2P1PPq/1b2k3 b - -
BBn4b/5p2/8/rN3K1k/2P1RP2/QnRN2qP/8/1b3r2 b - -
BBn4b/5p2/8/rN3K1k/2P1RP2/QnRN3P/4q3/1b3r2 b - -
BBn4b/5p2/8/rN3K1k/2P1RP2/QnRN3P/5q2/1b3r2 b - -
BBn4b/5p2/8/rN3K1k/2P1RP2/QnRN3P/6q1/1b3r2 b - -
BBn4b/5p2/8/rN3K1k/2P1RP2/QnRN3P/8/1b1q1r2 b - -
BBn4b/5p2/8/rN3K1k/2P1RP2/QnRN3P/8/1b3r1q b - -
BBn4b/5p2/8/rN3K1k/2P1RP2/QnRNq2P/8/1b3r2 b - -
Q1R3B1/8/p3nrNq/2pr1p2/K1k3nR/8/2P5/B4Nbb w - -
Q2qr3/3nbk2/r4npB/p2p4/1p1P4/2P3N1/PP4PP/1B3RK1 w - -
b4nBB/2p5/8/k1K3Nr/2PR1P2/P2qNRnQ/8/2r3b1 b - -
b4nBB/2p5/8/k1K3Nr/2PR1P2/P3NRnQ/1q6/2r3b1 b - -
b4nBB/2p5/8/k1K3Nr/2PR1P2/P3NRnQ/2q5/2r3b1 b - -
b4nBB/2p5/8/k1K3Nr/2PR1P2/P3NRnQ/3q4/2r3b1 b - -
b4nBB/2p5/8/k1K3Nr/2PR1P2/P3NRnQ/8/2r1q1b1 b - -
b4nBB/2p5/8/k1K3Nr/2PR1P2/P3NRnQ/8/q1r3b1 b - -
b4nBB/2p5/8/k1K3Nr/2PR1P2/Pq2NRnQ/8/2r3b1 b - -
k1b1B3/4rrb1/p1p1p3/2QP1q1p/5Pp1/P1N3P1/K1P4P/4R1B1 w - -
k1b5/3Brrb1/p1p1p3/2QP1q1p/5Pp1/P1N3P1/K1P4P/4R1B1 w - -
k1b5/4rrb1/p1p1p3/1BQP1q1p/5Pp1/P1N3P1/K1P4P/4R1B1 w - -
k1b5/4rrb1/p1p1p3/2QP1q1p/B4Pp1/P1N3P1/K1P4P/4R1B1 w - -
r5b1/k1p4p/p1n3p1/5pP1/2qp1Q1P/P1b1P3/4RRB1/1KB5 b - -






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