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Subject: Re: Easy Test Move for Engines

Author: John Merlino

Date: 14:07:31 03/28/02

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On March 28, 2002 at 09:53:08, Art Basham wrote:

>Phalanx20 finds Nxe5..! at only 4 ply, then it changes it's mind,
>and then finds it again at 7 ply!
>
>[D]r2qkb1r/pp3ppp/1nn5/2p1p2b/8/1BNP1N1P/PPP2PP1/R1BQ1RK1 w - -

Chessmaster 9000 (testing version) finds it in less than two seconds on a
PIII-600:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.40	1409		1.g4 Bg6 2.Bg5 Be7 3.Bxe7 Qxe7
0:00	1/3	0.45	1782		1.Be3 Be7 2.a3
0:00	1/4	0.49	3089		1.Be3 Be7 2.a3 Nd4
0:00	1/4	0.58	6570		1.Re1 Be7 2.g4 c4 3.dxc4
0:00	1/4	0.69	7714		1.g4 Bg6 2.Qe2 Bd6 3.Bf4
0:00	2/5	0.62	14349		1.g4 Bg6 2.Qe2 Bd6 3.Bf4 Nd4
0:00	2/6	0.62	37156		1.g4 Bg6 2.Qe2 Bd6 3.Bf4 Nd4
0:01	2/6	1.79	88998		1.Nxe5 Qh4 2.Qe1 Be7 3.Nxc6 bxc6
					4.Ne4 Bg6 5.Nxc5
0:02	3/7	2.08	147851		1.Nxe5 Qh4 2.Qe1 Ne7 3.Ne4 Rd8
					4.Bg5
0:05	3/8	2.26	329574		1.Nxe5 Qh4 2.Qe1 Be7 3.Nxc6 bxc6
					4.Qe5 Kf8 5.Be3 Nd7
0:19	4/9	2.22	1529469		1.Nxe5 Bxd1 2.Bxf7+ Ke7 3.Bg5+
					Kd6 4.Ne4+ Kc7 5.Bxd8+ Rxd8 6.Nxc6
					Kxc6 7.Raxd1 Bd6 8.Rfe1 Rhf8 9.Nxd6
					Rxd6
1:15	4/10	2.42	5881371		1.Nxe5 Bxd1 2.Bxf7+ Ke7 3.Bg5+
					Kd6 4.Ne4+ Kc7 5.Bxd8+ Rxd8 6.Nxc6
					Kxc6 7.Raxd1 Bd6 8.Nxd6 Rxd6 9.Rfe1

jm



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