Author: Matthew Hull
Date: 18:25:00 09/23/03
Go up one level in this thread
On September 22, 2003 at 19:12:02, Vincent Diepeveen wrote: >On September 22, 2003 at 12:50:34, Vincent Diepeveen wrote: > >hi, though my computer is making extra hours nowadays analyzing openingpositions >(no not anything like CAP, just for some corr game of a friend who wants to win >BADLY as that matters for his career; which ain't easy against Svidler), i >managed to stop it shortly. > >Without extensions the current version finds this in 4 minutes. Even though >that's based upon a few thousands of a pawn it's pretty interesting. Crafty also selects Bxc4 at ply 15 with a 0.41 score. Ply 16 drops to 0.32. Nothing special for progs to find. MH > >The move goes back later and then gets back 1 ply deeper again. > >Best regards, >Vincent > >>On September 21, 2003 at 05:58:50, emerson tan wrote: >> >>>On September 19, 2003 at 11:14:29, Vincent Diepeveen wrote: >>> >>>>Hello, >>>> >>>>I'm looking for positions to search very deep with a cpu or 500 which are >>>>interesting to search deep. Seemingly a whole machine must get reserved for DIEP >>>>world champs 2003. The NWO/NCF perhaps needs to pay for the cpu hours also >>>>during the night says SARA (there is 7 organisations involved and i have written >>>>at least 1 page for each processor to get it so i won't even start quoting all >>>>the organisations involved). >>>> >>>>Most jobs run like 2 weeks or so at say for example 32 processors, so all those >>>>jobs cannot get started trivially in the night. >>>> >>>>Anyway more negotiations will be there, because the world champs like this will >>>>cost 80000 cpu hours. >>>> >>>>This is all internal talks. In case any of such scenario happens or even between >>>>rounds when diep finishes sooner its games, there sometimes is a few hours left >>>>to run diep at 500 cpu's at for example 1 position each run. >>>> >>>>that's 250Ghz with around 200GB hashtables in total. >>>> >>>>So this allows some massive deep calculations. I'm looking for cool positions to >>>>try. >>>> >>>>Please don't mention the openings position, i'm already using that now and it >>>>isn't very interesting at all to search that one deep. >>>> >>>>feel free to email to me about this: diep@xs4all.nl >>>> >>>>Best regards, >>>>Vincent >>> >>> >>> I still havent seen a computer find the move here even if it takes several >>>days. The move is correct because white is already holpless in all variations. I >>>tried autoplaying with long time control, both computers cant understand black >>>is winning, but all the games black ended up winning. >>> >>> >>>[D]r3r1k1/pp1q1p2/2p2npb/PPPp1bnp/3PpN2/2N1P1PP/1R1B1PBK/3Q1R2 b - - 0 19 >>> >>>Nikolic - Fischer 1968 >>> >>>The key move is 19 - Bg4!! >>> >>> >>>The next Diagram was mentioned in Kasparov's My Predesessors, Kasparov said no >>>computer can find the move here. >>> >>> >>>[D]2r2rk1/pp3pp1/4bb1p/q2p1P1Q/3P4/2N5/PP4PP/1K1R1B1R b - - 0 17 >>> >>>Pillsbury - Lasker 1896 >>> >>>Key move 17 - Rxc3!! >>> >>> >>>The next one here involves early sacrifice in the opening, there's no forcing >>>line, just for iniative. This became the best played game in one of the 1990 >>>Informator. >>> >>> >>>[D]rn1qk1nr/1b3ppp/p2b4/3p4/P1pP4/5N2/2PNBPPP/R1BQ1RK1 w kq - 0 11 >>> >>>Geller - Dreev 1990 >>> >>>Key move 11. Bxc4!! >> >>Gonna investigate this one. this pos looks very cool. complex middlegame >>with a lot of possibilities. It's the first pos from which i say: "YES this is >>interesting". >> >>> >>>Next one here people might already mentioned this to you, but just in case no >>>one mentioned it, I'll post it here because its too good to miss. >>> >>>[D]8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - - 0 47 >>> >>>Topalov - Shirov 1998 >>> >>>Key move 47 - Bh3!!
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.