Author: Andreas Herrmann
Date: 13:33:43 10/30/02
Go up one level in this thread
On October 30, 2002 at 16:13:36, Gerd Isenberg wrote:
>Position from Shark - IsiChessMMX, Leiden Round 10
>
>[D] r4rk1/2n1b1pN/pqb1p1Qp/1p6/P1p3n1/N1P1B3/1PB2PPP/R2R2K1 b - - ; bm Rxf2
>
>Even if the position is already won by black, finding the spectacular 24...Rxf2
>seems quite difficult for some engines. Ruffian is clearly the fastest i tried
>so far on my 2.1XP+ :
>
>Ruffian 1.0.0 2 seconds
>Shredder5 14 seconds
>IsiChessMMX 47 seconds
>
>May be a bad testposition due to Nxe3 wins too.
>
>Cheers,
>Gerd
Hi Gerd,
just tryd my current version of Holmes. I was surprised that Holmes plays also
Rxf2 after only 19 seconds on a AMD K6-2/450 Mhz.
stat. eval: -0,07 (mat. balance: 0,00 pos. val: -0,07)
>1 -892 1 850 1. .. Nf6 {85kNs 0:00}
>1 -778 2 1217 1. .. Nxh2 {61kNs 0:00}
>1 -600 3 2096 1. .. Nxf2 {70kNs 0:00}
>1 183 5 3689 1. .. Nxe3 {74kNs 0:00}
>2 202 6 4274 1. .. Nxe3 2.fxe3 Qxe3+ 3.Kh1 {71kNs 0:00}
>3 175 10 6606 1. .. Nxe3 2.fxe3 Qxe3+ 3.Kh1 Rf2 {66kNs 0:00}
>4 181 23 18299 1. .. Nxe3 2.a5 Qc5 3.fxe3 {80kNs 0:00}
>5 201 41 38606 1. .. Nxe3 2.a5 Qc5 3.fxe3 Qxe3+ 4.Kh1 {94kNs 0:00}
>6 204 143 161459 1. .. Nxe3 2.fxe3 Qxe3+ 3.Kh1 Rf2 4.Rg1 Nd5 5.axb5 {113kNs 0:01}
>7 195 390 447037 1. .. Nxe3 2.a5 Qc5 3.fxe3 Qxe3+ 4.Kh1 Be8 5.Nxf8 {115kNs 0:03}
>7 287 1985 2652586 1. .. Rxf2 2.Nf6+ Bxf6 3.Qh7+ Kf8 4.Bxb6 Rxg2+ 5.Kf1 Nxh2+ 6.Ke1 Bh4+ 7.Bf2 Bxf2+ 8.Kd2 {134kNs 0:19}
>8 287 3254 4454205 1. .. Rxf2 2.Nf6+ Bxf6 {137kNs 0:32}
>9 287 6642 9447803 1. .. Rxf2 2.Nf6+ Bxf6 3.Qh7+ Kf8 4.Bxb6 Rxg2+ 5.Kf1 Nxh2+ 6.Ke1 Nf3+ 7.Kf1 Nh2+ {142kNs 1:06}
have a nice day
Andreas
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