Author: Uri Blass
Date: 14:04:07 12/10/02
Go up one level in this thread
On December 10, 2002 at 16:49:07, Uri Blass wrote: >On December 10, 2002 at 16:33:19, Chris Hull wrote: > >>In a previous thread, someone was asking about positional factors that go into >>an evaluation. Below, I have created a made up postion that is purely positional >>with no tactics. See what score your engines give in the following positional >>evaluations categories. >> >>1. space >>2. mobility (white has 43 move vs 19 for black) >>3. control of center >>4. king safety >>5. development (white is 16 developing moves ahead) >>6. pawn structure >>7. anything else you use for positional evaluation >> >>[D]rnbqkbnr/pppppppp/8/3P4/2PNPP2/P1NBB2P/1P3QP1/3R1RK1 w kq - 0 1 >> >>Chris > >Movei can see +2.xx from depth 1 > >depth=10 +2.46 e4e5 c7c5 d5c6 d7c6 d4b3 b8d7 d3e4 a7a6 f4f5 f7f6 >Nodes: 3475313 NPS: 124074 >Time: 00:00:28.01 >depth=11 +2.27 e4e5 c7c5 d5c6 d7c6 d4b3 b8d7 d3e4 a7a5 f2h4 g8h6 e3d4 >Nodes: 8062560 NPS: 127652 >Time: 00:01:03.16 >depth=12 +2.34 e4e5 d7d6 f2c2 g7g6 e5e6 f8h6 c2a4 e8f8 e6f7 f8f7 d4e6 c8e6 d5e6 >f7e6 f4f5 e6e5 a4a5 d6d5 c3d5 g6f5 f1f5 >Nodes: 36919221 NPS: 131717 >Time: 00:04:40.29 > >Uri Yace only material with the following values claims that it is tactics. pawn=0.8 knigh=3.4 bishop=3.5 rook=5 queen=10.01 New position [D]rnbqkbnr/pppppppp/8/3P4/2PNPP2/P1NBB2P/1P3QP1/3R1RK1 w kq - 0 1 Analysis by yace_mo: 1.d6 exd6 µ (-0.80) Depth: 1 00:00:05 1.f5 = (0.00) Depth: 1 00:00:05 1.f5 Nh6 = (0.00) Depth: 2 00:00:05 1.f5 Nh6 2.Qd2 = (0.00) Depth: 3 00:00:05 1.f5 Nh6 2.Qd2 a5 = (0.00) Depth: 4 00:00:05 1.f5 Nh6 2.Qd2 a5 3.Ndb5 = (0.00) Depth: 5 00:00:05 4kN 1.f5 Nh6 2.Qd2 a5 3.Ndb5 b6 = (0.00) Depth: 6 00:00:05 13kN 1.f5 Nh6 2.Qd2 a5 3.Ndb5 b6 4.Bf2 = (0.00) Depth: 7 00:00:06 37kN 1.f5 Nh6 2.Qd2 a5 3.Ndb5 b6 4.Bf2 g6 = (0.00) Depth: 8 00:00:06 132kN 1.f5 Nh6 2.Qd2 a5 3.Ndb5 b6 4.Bf2 g6 5.fxg6 = (0.00) Depth: 9 00:00:06 438kN 1.f5 Nh6 2.Qd2 a5 3.Ndb5 b6 4.Bf2 g6 5.fxg6 hxg6 = (0.00) Depth: 10 00:00:07 934kN 1.f5 Nh6 2.Qd2 a5 3.Ndb5 b6 4.Bf2 g6 5.fxg6 hxg6 6.Be2 d6 = (0.00) Depth: 11 00:00:11 3609kN 1.f5 d6 2.Be2 Nf6 3.e5 dxe5 4.Ne6 fxe6 5.dxe6 Nbd7 6.exd7+ Bxd7 7.Bxa7 Kf7 = (0.00) Depth: 12 00:00:57 28599kN 1.e5 b6 2.e6 fxe6 3.dxe6 dxe6 4.Nf3 Nd7 5.Qg3 Nh6 6.Bg6+ hxg6 7.Qxg6+ Nf7 8.Ng5 Nde5 9.Rxd8+ Kxd8 = (0.01) Depth: 12 00:02:14 71742kN 1.e5 b6 2.e6 Nh6 3.exf7+ Nxf7 4.Qc2 g6 5.Qa4 Bb7 6.Ne6 Qc8 7.Nxf8 = (0.10) Depth: 12 00:02:54 94557kN 1.e5 b6 2.e6 Nh6 3.f5 Bb7 4.Bxh6 gxh6 5.exf7+ Kxf7 6.Ne6 Qc8 7.f6 dxe6 8.fxe7+ Ke8 9.exf8Q+ Kd7 ² (0.50) Depth: 13 00:05:46 193739kN 1.e5 b6 2.e6 Nh6 3.f5 c5 4.dxc6 dxc6 5.exf7+ ± (0.80) Depth: 13 00:09:33 324089kN (blass, tel-aviv 11.12.2002) Uri
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