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Subject: Re: Collector's Corner..Dual Processor Dedicated Chess Computers

Author: Mike Byrne

Date: 20:12:50 03/01/05

Go up one level in this thread


On March 01, 2005 at 21:54:16, Steve B wrote:

>>geez , now you are making me work ...
>>
>>Lazy regards,
>ok  ok
>
>one position
>
>try this
>
>OPENING BOOKS OFF
>how long for dual to reach 15 ply?
>how long for single?
>
> [D] rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
>
>:))
>
>Waiting Regards
>Steve

[Event "Short - Ribli"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt01"]
[Black "Nf5xg7"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]rq2r1k1/5pp1/p7/4bNP1/1p2P2P/5Q2/PP4K1/5R1R w - - 0 1"]
sd 13
sst 28.81
dst 13.24
2.18


1. Nxg7 *

[Event "Hedinger"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt02"]
[Black "Bd4xb6"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]6k1/2b2p1p/ppP3p1/4p3/PP1B4/5PP1/7P/7K w - - 0 1"]

1. Bxb6 *
sd 16
sst 42.06
dst 18.12
sppedup 2.32

[Event "Kwinones"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt03"]
[Black "Re5-e6"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]5r1k/p1q2pp1/1pb4p/n3R1NQ/7P/3B1P2/2P3P1/7K w - - 0 1"]

1. Re6 *
sd 12
sst 27.70 +14.53
dst 50.40 but returnd a mate-in 10, the single CPU was "only" +14
speedup .54

[Event "Harding Test"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Bt04-Qa2-f7"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "[d]5r1k/1P4pp/3P1p2/4p3/1P5P/3q2P1/Q2b2K1/B3R3 w - - 0 2"]
[PlyCount "0"]

 *
sd 11
ssd 26.54
dst 14.52
speedup 1.83
... *


[Event "Judowitsch"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt05"]
[Black "Kb5-a6"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]3B4/8/2B5/1K6/8/8/3p4/3k4 w - - 0 1"]

1. Ka6 *
sd 14
sst 29.83
dst 15.53
speedup 1.92

[Event "Bernd Feustel"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt06"]
[Black "e4-e3"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]1k1r4/1pp4p/2n5/P6R/2R1p1r1/2P2p2/1PP2B1P/4K3 b - - 0 1"]

1... e3 *
sd 14
sst 27.39
dst 17.42
speedup 1.57


[Event "Schulz - BĀcker"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt07"]
[Black "Rc6-d6"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]6k1/p3q2p/1nr3pB/8/3Q1P2/6P1/PP5P/3R2K1 b - - 0 1"]

1... Rd6 *
sd 16
sst 46.38
dst 23.75
speedup 1.95


[Event "Source unkown"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt08"]
[Black "Rd6xc6+"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]2krr3/1p4pp/p1bRpp1n/2p5/P1B1PP2/8/1PP3PP/R1K3B1 w - - 0 1"]

1. Rxc6+ *
sd 14
sst 23.81
dst 13.61
speedup 1.79


[Event "Reitz - Bednorz"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt09"]
[Black "g6-g5"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]r5k1/pp2p1bp/6p1/n1p1P3/2qP1NP1/2PQB3/P5PP/R4K2 b - - 0 1"]

1... g5 *
sd 14
sst 43.24
dst 27.50
speedup  1.57



[Event "Kasparov (Blindfold !!) 1985"]
[Site ""]
[Date "1994.04.16"]
[Round ""]
[White "Bt10"]
[Black "Rg1xg7+"]
[Result "*"]
[BlackElo "    "]
[WhiteElo "    "]
[FEN "[d]2r3k1/1qr1b1p1/p2pPn2/nppPp3/8/1PP1B2P/P1BQ1P2/5KRR w - - 0 1"]

1. Rxg7+ *
sd 12
sst  5:16 mate-in-9*
dst 37.91 mate-in-9*
speedup    8.33!!!! ocassionally happens that a dual finds  aproblem much faster
or much slower!

Crafty settings were adjusted for both the same way to enable Crafty to reach 12
ply.  Otherwise, it search 11 ply in 10 seconds and 12 ply in over 10 minutes.
("ext one .5" and "ext rec .5")


average    2.40 more than double!
discount #3 and #10 as aberations
average    1.89

and finally your last request for the night (I hope!!)
;>)

sd=14
[d]rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
sst 2:06
dst 1:06
speedup 1.91

Tired Regards,

Michael




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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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