Author: Richard Pijl
Date: 02:22:49 09/08/05
The following position occurred in a game The Baron - Amyan in the RWBC class A:
[D]r1bq1rk1/1pppnppp/pbn5/4P1B1/B3N3/5N2/PP3PPP/R2Q1RK1 w - -
Amyan just castled into trouble. Nf6+ wins material, but when black is not
careful (which Amyan wasn't) it will step into a mate soon.
Apparently this is easy for some, difficult for others. I've tried the following
engines, sorted by solution time:
Spike 1.0a 0:06
SOS 4 0:15
Nejmet 3.07 0:21
The Baron 1.7.0 0:22
Fruit 2.1 0:35
AnMon 5.50 1:01
Zappa 1.1 1:29
Ruffian 1.0.5 3:16
Yace Paderborn 3:34
Dragon 4.6 > 5
Hardware: Xeon 2.8Ghz 150Mb hash
game:
[Event "RWBC_Class_A_5th_Edition"]
[Site "ESPRESSO"]
[Date "2005.09.07"]
[Round "12"]
[Number "247"]
[White "Baron_170"]
[Black "Amyan_1597"]
[Result "1-0"]
[TimeControl "40/900"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 {-0.03/11} 6. O-O
Bc5 {+0.02/11} 7. e5 Ng8 {+0.04/11} 8. c3 dxc3 {+0.03/12} 9. Nxc3
Nge7 {+0.07/11} 10. Ne4 Bb6 {+0.31/11} 11. Bg5 {-0.08/10} O-O {+0.18/10}
12. Nf6+ {+2.61/10} gxf6 {+0.20/12} 13. Bxf6 {+4.31/10} Qe8 {-1.78/11} 14.
Qc1 {+327.56/11} Nxe5 {-5.81/11} 15. Nxe5 {+327.58/20}
{Black resigns} 1-0
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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