Author: Omid David Tabibi
Date: 02:45:24 11/22/02
Go up one level in this thread
On November 22, 2002 at 01:37:13, Vincent Diepeveen wrote: >On November 22, 2002 at 01:14:51, Vincent Diepeveen wrote: > >position 40 in your testset is illegal: > >4kqrk/r5pp/pn1p1p2/2pPpPPQ/2P4P/1P3P2/2BBK3/6RR w - - 0 1 [280] > There were several errors which were fixed. But apparently, I have uploaded the old version. Anyway, the correct FEN for your mentioned position is: 5qrk/r5pp/pn1p1p2/2pPpPPQ/2P4P/1P3P2/2BBK3/6RR w - - 0 1 >I wonder how you ran tests with it. > >>Hello, first table is first part of Omids numbers he needs at >> >>http://www.cs.biu.ac.il/~davoudo/pubs/vrfd_neishtadt_dep9.txt >> >>Node counts to get a 9 ply search depth. >> >> std R = 1 std R = 2 std R = 3 vrfd R = 3 >> >> 1 6864391 2073995 353415 640836 >> 2 11849513 3952080 704417 1159792 >> 3 7735232 2421290 1024175 1909431 >> 4 10399311 3217656 296633 424892 >> 5 7894973 1667965 391265 1276789 >> 6 23843259 8257609 9196191 7599069 >> 7 16628446 4849724 774861 1275569 >> 8 232149 100757 25096 47493 >> 9 7923159 2472308 282501 542888 >> 10 8422519 2967494 277978 519170 >> 11 5882451 2211559 418959 630473 >> 12 16328807 10896537 3521012 3423127 >> 13 11757759 3931197 1670286 4404093 >> 14 52221384 15187127 7874393 13271141 >> 15 25414826 8068577 802341 1448106 >> 16 4928787 1841152 744449 986228 >> 17 29153860 8656690 7331342 19243173 >> 18 19251137 6351804 5102125 7498985 >> 19 2676023 981646 416481 636074 >> 20 36591070 14202065 6044385 8603409 >> 21 22981115 16732702 17323332 13160168 >> 22 1850548 662302 334199 748723 >> 23 1329803 499360 213462 350438 >> 24 25077330 7829115 1872259 3658545 >> 25 7918374 3624752 2546515 6415498 >> 26 12932272 3954053 1515639 2121015 >> 27 7918018 2639096 765158 1687489 >> 28 7931073 2880664 1432676 2767042 >> 29 3068185 1122273 146023 281129 >> 30 10010362 2893682 1196519 2498546 >> 31 1785611 622960 111294 161102 >> 32 21267135 7950051 3624877 8643335 >> 33 4507858 2653606 1259310 2984433 >> 34 5462440 1951888 413763 756776 >> 35 15510610 6237615 2680171 5205710 >> 36 19031416 8431949 6134553 10015012 >> 37 23244769 10064705 4283335 2791961 >> 38 3982956 2258114 1285883 1117010 >> 39 540635 226331 90965 146517 >> 40 7366081 3515047 1956719 686776 >> 41 4465020 1442182 489696 1152792 >> 42 10442881 5683547 1495948 4652067 >> 43 1698094 623525 95375 244035 >> 44 560198 436933 335003 167386 >> 45 27686232 8698978 4577878 9033014 >> 46 4688588 1802221 583648 1320446 >> 47 921944 282597 100937 224661 >> 48 4140231 1368459 321342 707243 >> 49 13663065 4713142 2904570 6137891 >> 50 9705458 3848893 1637528 2530890 >> >> >> >>From Omid's positions the vaste majority is mating positions. >> >>position 4 is a mate in 2. How do you manage to need 10.4MLN nodes >>there Omid to finish 9 ply. >> >>Here is what DIEP needs at 9 ply for the >>same positions and fullwidth it ain't much more for the mate in 2: >> >>depth totalnodes time needed (single cpu) >> 9 223019 ( 0, 0) 3.02 1 >> 9 54038 ( 0, 0) 0.83 2 >> 9 1707338 ( 0, 0) 21.74 3 >> 9 9814 ( 0, 0) 0.27 4 >> 9 145529 ( 0, 0) 1.98 5 >> 9 1343273 ( 0, 0) 19.77 6 >> 9 142710 ( 0, 0) 1.34 7 >> 9 37725 ( 0, 0) 0.81 8 >> 9 178479 ( 0, 0) 2.05 9 >> 9 11620 ( 0, 0) 0.44 10 >> 9 53039 ( 0, 0) 0.89 11 >> 9 2348386 ( 0, 0) 25.78 12 >> 9 1541525 ( 0, 0) 18.14 13 >> 9 5177632 ( 0, 0) 63.75 14 >> 9 120584 ( 0, 0) 1.57 15 >> 9 43201 ( 0, 0) 0.76 16 >> 9 3599264 ( 0, 0) 49.54 17 >> 9 1253990 ( 0, 0) 16.47 18 >> 9 173255 ( 0, 0) 2.95 19 >> 9 186748 ( 0, 0) 1.56 20 >> 9 3836215 ( 0, 0) 53.99 21 >> 9 183931 ( 0, 0) 1.67 22 >> >>So you need a factor 1000 more with R=1 there >>than DIEP needs with nullmove. >> >>296613 nodes for R=3 is also a weird high number >>for a mate in 2, considering how simple your qsearch >>seems to be. >> >>Not a single position is not getting solved. >>Not a single position therefore we have a regular >>search seraching the next ply. It's just fail high fail high >>fail high. >> >>And majority is mates. Perhaps it's all mates even... >> >>How can you need a 6.9 branching factor with R=1 when it is >>basically all mates? >> >>10 million nodes for a mate in 2 to finish 9 ply!!!!!!!!!!!!!!!!!!!!! >> >>This is weird. >> >>Best Regards, >>Vincent
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