Author: Uri Blass
Date: 02:14:31 10/21/02
Go up one level in this thread
On October 21, 2002 at 02:26:38, Anthony Cozzie wrote: >On October 20, 2002 at 23:48:55, K. Burcham wrote: > >> >>seems most programs will find Qe5. > >Zappa in 2 seconds / 8 ply. > > >1...Nfd5 2. Qxe7 Rxe7 3. Ne4 Ne3 > = (0.19) Depth: 5 00:00:00.26 31kN >1...Nfd5 2. Qxe7 Rxe7 3. hxg6 hxg6 4. Ne4 > = (0.04) Depth: 6 00:00:00.42 52kN >1...Nfd5 2. Qxe7 Rxe7 3. Nxd5 Nxd5 4. Bc4 Re5 > = (-0.05) Depth: 7 00:00:00.87 130kN >1...Nfd5 2. Qxe7 Rxe7 3. Nxd5 Re2 4. Bxe2 > - (-0.30) Depth: 8 00:00:01.55 290kN >1...Qe5 2. Qxe5 dxe5 3. hxg6 hxg6 4. Bd3 Kg7 5. Kd2 > = (-0.30) Depth: 8 00:00:02.13 470kN >1...Qe5 2. Qxe5 dxe5 3. hxg6 hxg6 4. Bd3 Kg7 5. Ne4 Nbd5 > = (-0.20) Depth: 9 00:00:03.66 1009kN >1...Qe5 2. Qxe5 dxe5 3. hxg6 hxg6 4. Bd3 Kg7 5. Ne4 Nbd5 6. Kd2 > = (-0.18) Depth: 10 00:00:06.79 2208kN >1...Qe5 2. Qxe5 dxe5 3. hxg6 hxg6 4. Bd3 Kg7 5. Ne4 Nbd5 6. Kd2 Nxe4 7. Bxe4 > = (-0.18) Depth: 11 00:00:12.43 4332kN >1...Qe5 2. Qxe5 dxe5 3. hxg6 hxg6 4. Bd3 Kg7 5. Ne4 Nbd5 6. Nd6 Re7 7. Kd2 > = (-0.26) Depth: 12 00:00:28.47 10634kN >1...Qe5 2. Qxe5 dxe5 3. hxg6 hxg6 4. Bd3 Kg7 5. Ne4 Nxe4 6. Bxe4 Re6 7. Rhe1 Kf6 > = (-0.20) Depth: 13 00:01:04.54 24725kN >1...Qe5 2. Qxe5 dxe5 3. hxg6 hxg6 4. Bd3 Kg7 5. Kd2 Nbd5 6. Rhe1 Nf4 7. g3 N4d5 >8. Nxd5 > = (-0.19) Depth: 14 00:02:36.25 57654kN > >Note that zappa doesn't dislike black's position as much as most commercial >engines; this is because the knight/bishop evaluation code isn't working very >well :) Movei needs only 6 plies and less than 0.3 to converge to Qe5(it finds Qe5 at ply 1 but changes it's mind later at depth 4. 6 -20 23 24185 e7e5 6 8 27 30722 e7e5 g5e5 d6e5 h5g6 h7g6 f1e2 Score is similiar to Zappa's score This was copied from the analysis window: depth=13 -0.20 e7e5 g5e5 d6e5 h5g6 h7g6 f1d3 g8g7 d1e1 b6d5 c3e4 f6e4 d3e4 e8d8 c1b1 Nodes: 22332874 NPS: 147246 Time: 00:02:31.67 depth=14 -0.18 e7e5 g5e5 d6e5 h5g6 h7g6 f1d3 g8g7 d1e1 b6d5 c3d5 f6d5 d3e4 b7b5 c2c3 e8d8 Nodes: 82002334 NPS: 151047 Time: 00:09:02.89 Note that movei of today knows nothing about pawn structure excpt knowing that 2 pawns in the same files are punished by 0.3 pawns panelty. I plan to teach it more than it but it is still not in my top priority and it is possible that the next public version of movei is going to know nothing about it(It is dependent on when I am going to release it). Uri
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