Author: Bryan Hofmann
Date: 06:58:01 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.
>
>--Jon
Crafty 19.13 does find it but it takes awhile;
11 6.61 -0.40 1. ... e2 2. Re7 Rxf7 3. Rxf7 Ke6 4.
Re1 Ng3 5. Rc7 Rxa5 6. Rc5 Rxc5 7.
dxc5 Kd5
11-> 9.42 -0.40 1. ... e2 2. Re7 Rxf7 3. Rxf7 Ke6 4.
Re1 Ng3 5. Rc7 Rxa5 6. Rc5 Rxc5 7.
dxc5 Kd5
12 16.01 -0.60 1. ... e2 2. Re7 Rxf7 3. Rxf7 Ke6 4.
Re1 Ng3 5. Rc7 Rxa5 6. Kf2 Ra4 7. Rc6+
Kd5 8. Rc5+ Kxd4 9. Rxg5
12-> 31.15 -0.60 1. ... e2 2. Re7 Rxf7 3. Rxf7 Ke6 4.
Re1 Ng3 5. Rc7 Rxa5 6. Kf2 Ra4 7. Rc6+
Kd5 8. Rc5+ Kxd4 9. Rxg5
13 48.23 -0.60 1. ... e2 2. Re7 Rxf7 3. Rxf7 Ke6 4.
Re1 Ng3 5. Rc7 Rxa5 6. Kf2 Ra4 7. Rc6+
Kd5 8. Rc5+ Kxd4 9. Rxg5
13 10:31 +1 1. ... Rah8!!
13 11:04 +3 1. ... Rah8!!
13 11:44 -2.01 1. ... Rah8 2. Rd7+ Ke6 3. Nxg5+ Nxg5
4. Rxh7 Rxh7 5. Nc6 Ne4 6. Nd8+ Kd6
7. Ra6+ Kd5 8. Ne6 Ng3 9. Nxf4+ Ke4
10. Nh3 Ne2+ 11. Kh2 Nxd4
13-> 11:52 -2.01 1. ... Rah8 2. Rd7+ Ke6 3. Nxg5+ Nxg5
4. Rxh7 Rxh7 5. Nc6 Ne4 6. Nd8+ Kd6
7. Ra6+ Kd5 8. Ne6 Ng3 9. Nxf4+ Ke4
10. Nh3 Ne2+ 11. Kh2 Nxd4
Tao57 Beta
1 00:00 -1.08 Rah8
1 00:00 -1.01 e2
2 00:00 -0.96 e2 Re7
2+ 00:00 -0.96 Rah8
2 00:00 -0.85 Rah8 Rd7+ Ke6
3 00:00 -0.66 Rah8 Rd7+ Ke6 Nxh8 Rxd7
3+ 00:00 -0.66 Rf8
3 00:00 0.67 Rf8 Rd7+ Ke6 Nd6 Rxd7 Nxe4 Rxd4 Nxg5+ Kd5
4 00:00 0.67 Rf8 Rd7+ Ke6 Nd6 Rxd7 Nxe4 Rxd4 Nxg5+ Kd5
5 00:00 0.67 Rf8 Rd7+ Ke6 Nd6 Rxd7 Nxe4 Rxd4 Nxg5+ Kd5
6 00:00 0.57 Rf8 Re7 Rfxf7 Re5+ Kxd4 Nc6+ Kd3 Nb4+ Ke2 Rxe4
7 00:00 0.57 Rf8 Re7 Rfxf7 Re5+ Kxd4 Nc6+ Kd3 Nb4+ Ke2 Rxe4
8 00:00 0.50 Rf8 Rd7+ Ke6 Nd6 Rxd7 Nxe4 Rxd4 Nxg5+ Kd5 Nb3
9 00:01 0.18 Rf8 Re7 Rfxf7 Re5+ Kxd4 Nc6+ Kd3 Ra3+ Nc3 Rd5+ Kc2 Nd4+ Kd2
Nf3+ Ke2 Rxc3
9+ 00:02 0.18 e2
9 00:02 0.29 e2 Re7 Rxf7 Rxf7 Ke6 Rb7 Rxa5 Rb6+ Nd6 Rab1
9+ 00:02 0.29 Rah8
9 00:03 0.97 Rah8 Nxh8 Rxc7 Rb1 Ng3 Rb5+ Kxd4 Rb4+ Kc3 Rb1 Kd3
10 00:03 1.19 Rah8 Nxh8 Rxc7 Rb1 Ng3 Rb5+ Kxd4 Rb4+ Kd3 Nb3 Ne2+ Kf1 Rc2
11 00:05 1.55 Rah8 Rd7+ Ke6 Nxg5+ Nxg5 Rxh7 Rxh7 Nb3 Ne4 Nc5+ Nxc5 dxc5 Kd5
Rf1 Re7 Rxf4 Kxc5
12 00:09 1.68 Rah8 Rd7+ Ke6 Nxg5+ Nxg5 Rxh7 Rxh7 Nb3 f3 gxf3 Nxf3+ Kg2 Rf7
Ra2 Nd2
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