Computer Chess Club Archives

Search

Terms

Messages

Subject: Zappa: 6 minutes/ 15 ply :(

Author: Anthony Cozzie

Date: 11:38:48 10/26/02

On October 26, 2002 at 11:35:18, Mustafa wrote:

>[D]4r3/3brk1p/5pp1/1p1p4/p1qP1NPP/2P1RP2/1PQ3K1/4R3 w - - 0 35

I'm not quite sure why Zappa takes so long to find this.  Perhaps this is a hard
position for engines that use null move aggressively?

1. Rxe7 Rxe7 2. Rxe7 Kf8 3. Rxd7
 + (0.82)       Depth: 5        00:00:00.08     10kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be6 4. hxg6
 = (1.28)       Depth: 5        00:00:00.15     20kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 b4 4. hxg6 bxc3
 = (1.13)       Depth: 6        00:00:00.27     38kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 b4 4. hxg6 bxc3 5. bxc3
 = (1.13)       Depth: 7        00:00:00.57     85kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 b4 4. hxg6 hxg6 5. Nxg6 Kd6 6. Nf4
 = (1.23)       Depth: 8        00:00:01.10     197kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be8 4. Nxg6 hxg6 5. hxg6 Bxg6 6. Qxg6 Qe2
 - (0.98)       Depth: 9        00:00:02.26     554kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be8 4. Kg3 b4 5. hxg6 hxg6 6. Qd2
 = (0.44)       Depth: 9        00:00:03.21     953kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be8 4. Kf2 b4 5. Qe2 Qxe2 6. Kxe2 Bb5 7. Kd1
bxc3 8. Nxd5 Kd6
 + (0.69)       Depth: 10       00:00:03.75     1187kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be8 4. Kf2 b4 5. Qe2 Qxe2 6. Kxe2 Kd6 7. cxb4
Bf7
 = (0.79)       Depth: 10       00:00:05.18     1736kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be8 4. Kf2 b4 5. Qe2 Qxe2 6. Kxe2 bxc3 7. Nxd5
Kd6 8. Nxc3 gxh5
 = (0.74)       Depth: 11       00:00:10.17     3768kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be8 4. Kf2 b4 5. hxg6 hxg6 6. Qe2 Qxe2 7. Kxe2
Kd6 8. cxb4 Bf7
 = (0.79)       Depth: 12       00:00:21.03     8174kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be8 4. Kf2 b4 5. hxg6 hxg6 6. Qe2 Qxe2 7. Kxe2
bxc3 8. Nxd5 Kd6 9. Nxc3 Bc6
 = (0.79)       Depth: 13       00:00:42.28     17147kN
1. Rxe7 Rxe7 2. Rxe7 Kxe7 3. h5 Be8 4. Kf2 b4 5. Qe2 Qxe2 6. Kxe2 bxc3 7. Nxd5
Kd6 8. Nxc3 gxh5 9. gxh5 Bxh5 10. Nxa4
 = (0.74)       Depth: 14       00:01:38.71     39655kN
1. h5 Rxe3 2. hxg6 hxg6 3. Qxg6 Kf8 4. Qxf6 Kg8 5. Rh1 Re2 6. Kg3 Rg2 7. Nxg2
Bxg4
 + (0.99)       Depth: 15       00:05:52.07     147059kN
1. h5 f5 2. Rxe7 Rxe7 3. Rxe7 Kxe7 4. hxg6 hxg6 5. Nxg6 Kf6 6. Ne5 Qc8 7. f4 Be6
8. g5 Kg7 9. Kf3 Bf7 10. Qc1
 = (1.73)       Depth: 15       00:13:08.34     310148kN


Time: 802994ms, Nodes: 315590k, Quiescence Nodes: 97364k [31%]
Table Hits: 45549k [14%], Table Pings: 67706k [21%], NPS: 393k, Null Cuts: 6932k

Re: Zappa: 6 minutes/ 15 ply :( Uri Blass 12:28:07 10/26/02

This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.