Author: Richard Pijl
Date: 00:12:57 06/18/04
Go up one level in this thread
On June 17, 2004 at 23:54:25, Jon Dart wrote:
>From a testgame Arasan-Phalanx:
>
>[D] r7/2R2N1r/8/N2k2p1/3Pnp2/4p3/6P1/R5K1 b - -
>
>Black played Rah8. This seems to be quite hard for some engines
>to find: a fairly recent Crafty version didn't select it after
>10 minutes search on my Athlon XP2500+. On other hand, if I
>force Rah8, and then search for White I get a -2.42 score
>under a minute.
>
The Baron 1.3.1 beta 5 on a Xeon 2.8 with 100Mb hash selected Rah8 in just over
13 seconds and the score rises with each following ply:
ply time nodes score pv
4(11). 0:00.05 10728 +1.35 Ra8-f8 Rc7-d7 Kd5-e6 Nf7-d6 Rh7xd7
5(14)& 0:00.09 25368 +1.35 Ra8-f8 Rc7-d7 Kd5-e6 Nf7-d6 Rh7xd7 Nd6xe4
5(15). 0:00.13 35132 +1.35 Ra8-f8 Rc7-d7 Kd5-e6 Nf7-d6 Rh7xd7 Nd6xe4
6(16)& 0:00.28 88360 +1.23 Ra8-f8 Rc7-d7 Kd5-e6 Nf7xg5 Ne4xg5 Rd7xh7
Ng5xh7 Na5-c6
6(18). 0:00.70 218773 +1.23 Ra8-f8 Rc7-d7 Kd5-e6 Nf7xg5 Ne4xg5 Rd7xh7
Ng5xh7 Na5-c6
7(19)- 0:01.83 583334 +0.88 Ra8-f8 (Rc7-e7) (e3-e2) (Re7-e5) (Kd5xd4)
(Nf7xg5)
(Rh7-c7) (Re5xe4) (Kd4-d3)
7(19)& 0:01.92 616187 +0.81 Ra8-f8 Rc7-e7 Rf8xf7 Re7-e5 Kd5xd4 Na5-c6
Kd4-c4 Ra1-a4 Kc4-c3 Ra4xe4 Kc3-d3
7(19). 0:02.16 691137 +0.81 Ra8-f8 Rc7-e7 Rf8xf7 Re7-e5 Kd5xd4 Na5-c6
Kd4-c4 Ra1-a4 Kc4-c3 Ra4xe4 Kc3-d3
8(18)& 0:02.56 836078 +1.03 Ra8-f8 Rc7-e7 Rf8xf7 Re7-e5 Kd5xd4 Na5-c6
Kd4-d3 Nc6-b4 Kd3-e2 Re5xe4 Rf7-e7
8(20). 0:04.03 1310486 +1.03 Ra8-f8 Rc7-e7 Rf8xf7 Re7-e5 Kd5xd4 Na5-c6
Kd4-d3 Nc6-b4 Kd3-e2 Re5xe4 Rf7-e7
9(22)& 0:05.34 1779082 +0.88 Ra8-f8 Rc7-e7 Rf8xf7 Re7-e5 Kd5xd4 Na5-c6
Kd4-d3 Nc6-b4 Kd3-d2 Ra1-a2 Kd2-c3 Re5xe4
Rf7-e7
9(23)& 0:13.39 4452340 +1.08 Ra8-h8 Nf7xh8 Rh7xc7 Nh8-g6 Ne4-g3 Ng6-f8
Rc7-f7 Nf8-g6 Rf7-g7 Ng6-f8 (Kd5xd4)
9(23). 0:13.84 4588758 +1.08 Ra8-h8 Nf7xh8 Rh7xc7 Nh8-g6 Ne4-g3 Ng6-f8
Rc7-f7 Nf8-g6 Rf7-g7 Ng6-f8 (Kd5xd4)
10(23)& 0:27.28 8782052 +1.23 Ra8-h8 Nf7xh8 Rh7xc7 Nh8-g6 Ne4-g3 Ra1-b1
Ng3-e2 Kg1-f1 Ne2xd4 Na5-b3 Rc7-c2
10(24). 0:33.81 10945519 +1.23 Ra8-h8 Nf7xh8 Rh7xc7 Nh8-g6 Ne4-g3 Ra1-b1
Ng3-e2 Kg1-f1 Ne2xd4 Na5-b3 Rc7-c2
11(24)& 0:46.75 15387974 +1.48 Ra8-h8 Nf7xh8 Rh7xc7 Nh8-g6 Ne4-g3 Ra1-b1
Rc7-h7 Rb1-b5 Kd5xd4 Na5-c6 Kd4-c4 Rb5-b4
Kc4-d3
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