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Subject: Re: A test position to see if your program is materialistic(most are not)

Author: John Merlino

Date: 08:56:31 11/12/01

Go up one level in this thread


On November 12, 2001 at 06:22:04, Uri Blass wrote:

>This position could happen in my crrespondence game
>
>[D]2r2rk1/p3q1pp/1p6/2bp1p2/4n3/1P2P1P1/PB3PBP/1QR1RbK1 w - - 0 25
>
>If your program plays Bxe4 then it is materialistic(Bxe4 is the only move that
>does not lose material)
>
>If it plays Rxf1 then it is not materialistic
>
>It seems that most programs are not materialistic based on the test that I did.
>I guess also that most humans are not materialistic here and are going to prefer
>Rxf1
>
>Uri

CM8000's results (PIII-733):

Time	Depth	Score	Positions	Moves
0:00	1/4	0.08	4468		1. Rxf1 Ba3 2. Rfd1 Bxb2 3. Qxb2
					Rxc1 4. Qxc1
0:00	2/6	-0.02	31873		1. Rxf1 Nd2 2. Bxd5+ Kh8 3. Qd3
					Nxf1 4. Kxf1 Rcd8
0:02	3/7	0.11	166087		1. Rxf1 Nd2 2. Bxd5+ Kh8 3. Qd3
					Nxf1 4. Kxf1 Rcd8 5. Qc4
0:05	3/8	0.11	380126		1. Rxf1 Nd2 2. Bxd5+ Kh8 3. Qd3
					Nxf1 4. Kxf1 Rcd8 5. Qc4
0:15	4/9	0.15	1273454		1. Rxf1 Nd2 2. Bxd5+ Kh8 3. Qd3
					Nxf1 4. Kxf1 Rcd8 5. Qc4 a6
0:31	4/10	-0.08	2804755		1. Rxf1 Nd2 2. Bxd5+ Kh8 3. Qd3
					Nxf1 4. Kxf1 Rcd8 5. Rd1 Ba3 6.
					Bc3
3:54	5/11	-0.03	21056613	1. Rxf1 Nd2 2. Bxd5+ Kh8 3. Qd3
					Nxf1 4. Kxf1 Rcd8 5. Rd1 Ba3 6.
					Bc3 Bb4

jm



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