Author: Michel Langeveld
Date: 12:05:41 11/01/03
Go up one level in this thread
On October 31, 2003 at 17:23:33, Art Basham wrote:
>[D]r2qk2r/1bp2pQp/p7/1p1pP3/4n3/1B2b3/PPP2PPP/RN3RK1 b - - 0 1
>
>Black plays 1.....Qg5!
>
>My Fritz 5.32 finds it at 10 ply in just afew sec.
>
>RISC takes over 2 and a half minutes.
>
>To get full credit, it must display the move and stay there!...:-)
>
>Art
Nullmover 0.22H finds it at 14.14 seconds.
The Nullmover 0.20H version without kingsafety finds it already after 7 seconds.
{0.22h} 10 -7 1414 4119196 1... Qg5 {291315}
{0.22h}*9 ++ 1414 4119196 1... Qg5 {291315}
search on ply: 10 [-9999,9999]
{0.22h} 10 39 1722 4983886 1... Qg5 2.Qxh8+ Ke7 3.Qxh7 Bxf2+ 4.Kh1 Qxe5 5.Bxd5 B
xd5 6.Rd1 Ng5 7.Qd3 {289441}
{0.22h}*10 39 1755 5060193 1... Qg5 2.Qxh8+ Ke7 3.Qxh7 Bxf2+ 4.Kh1 Qxe5 5.Bxd5 B
xd5 6.Rd1 Ng5 7.Qd3 {288379}
search on ply: 11 [14,64]
{0.22h} 11 64 1938 5664737 1... Qg5 {292374}
{0.22h}*10 ++ 1939 5664737 1... Qg5 {292147}
search on ply: 11 [-9999,9999]
{0.22h} 11 164 2914 8500141 1... Qg5 2.Qxh8+ Ke7 3.Qxh7 Bxf2+ 4.Kh1 Qxe5 5.Bxd5
Bxd5 6.Nc3 Rh8 7.Nxd5+ Kf8 8.Qxh8+ Qxh8 {291700}
{0.22h}*11 164 3578 10334615 1... Qg5 2.Qxh8+ Ke7 3.Qxh7 Bxf2+ 4.Kh1 Qxe5 5.Bxd5
Bxd5 6.Nc3 Rh8 7.Nxd5+ Kf8 8.Qxh8+ Qxh8 {288830}
search on ply: 12 [139,189]
{0.22h} 12 181 4778 13940279 1... Qg5 2.Qxg5 Bxg5 3.Re1 Rd8 4.f3 Nc5 5.Kh1 Rf8 6
.Nc3 Bh4 7.Red1 {291754}
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