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Subject: Blitz: Rybka vs Rybka

Author: Thomas Logan

Date: 19:11:58 12/31/05


I have seen concern expressed that later versions of Rybka may

weaker than the early vesion especially at blitz

To that end a quick 20 game match bewteen Rybka 1.0 beta vs Rybka 1.01 beta 7

The results

THOMAS-KBZT8WLT, Blitz:5'  0


1   Rybka 1.01 Beta 7 32-bit  +5/-1/=14 60.00   12.0/20
2   Rybka 1.0 Beta 32-bit     +1/-5/=14 40.00    8.0/20

At slower Speed Rybka preview 2 did nominally better vs Fritz 9
than preview 1

THOMAS-KBZT8WLT, 40'/40+40'/40+40'  0


1   Rybka 1.01 Preview 2 32-bit  +13/-5/=12 63.33   19.0/30
2   Fritz 9                      +5/-13/=12 36.67   11.0/30

THOMAS-KBZT8WLT, 40'/40+40'/40+40'  0


1   Rybka 1.0 Preview 32-bit  +12/-5/=13 61.67   18.5/30
2   Fritz 9                   +5/-12/=13 38.33   11.5/30

Tom









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