Author: Jon Dart
Date: 20:47:08 07/08/02
Yace played the surprising d6! here against Arasan:
[D] r1n2rk1/pppqppb1/6p1/1N1P4/4P3/1Q2B1R1/PP2KP1P/3R4 w - -
Most versions of Arasan can find this pretty quickly.
Curiously, Crafty does not select it, even after 20 minutes on a PIII-733:
6 0.53 0.02 1. Bd4 Bf6 2. Rc3 Qg4+ 3. Kf1 Qxe4
4. Bxf6 exf6 5. Rxc7
6-> 0.66 0.02 1. Bd4 Bf6 2. Rc3 Qg4+ 3. Kf1 Qxe4
4. Bxf6 exf6 5. Rxc7
7 1.17 0.10 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Qd3 Rfc8 5. Rdg1
7-> 1.55 0.10 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Qd3 Rfc8 5. Rdg1
8 2.28 -0.06 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Qc4 e5 5. Rdg1 Rac8
8 5.77 -0.04 1. Nd4 Nb6 2. Qc2 Be5 3. f4 Bg7 4.
Kf1 Rad8
8-> 6.78 -0.04 1. Nd4 Nb6 2. Qc2 Be5 3. f4 Bg7 4.
Kf1 Rad8
9 9.91 -0.03 1. Nd4 Nb6 2. Qc2 Be5 3. f4 Bxd4 4.
Bxd4 e6 5. dxe6 Qxe6 6. Kf1
9-> 12.96 -0.03 1. Nd4 Nb6 2. Qc2 Be5 3. f4 Bxd4 4.
Bxd4 e6 5. dxe6 Qxe6 6. Kf1
10 35.70 -0.15 1. Nd4 Nd6 2. Qd3 Qa4 3. a3 Be5 4.
Rg5 Bf6 5. Rg4 Qd7
10 47.65 -0.06 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Qc3+ Kg8 5. Rh3 Qg4+ 6. Qf3 Qg5
7. Rg3 Qe5
(2) 10-> 1:01 -0.06 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Qc3+ Kg8 5. Rh3 Qg4+ 6. Qf3 Qg5
7. Rg3 Qe5
11 1:14 0.05 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Rc1 Rh8 5. h3 Rh5 6. Qc4 e6 7. dxe6
fxe6
(2) 11-> 1:38 0.05 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Rc1 Rh8 5. h3 Rh5 6. Qc4 e6 7. dxe6
fxe6
12 2:09 -0.04 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Qc3+ Kg8 5. Rc1 Qb5+ 6. Kf3 e6 7.
dxe6 fxe6+ 8. Kg2 Qh5 9. Rg1
(3) 12-> 9:41 -0.04 1. Bd4 Nd6 2. Nxd6 cxd6 3. Bxg7 Kxg7
4. Qc3+ Kg8 5. Rc1 Qb5+ 6. Kf3 e6 7.
dxe6 fxe6+ 8. Kg2 Qh5 9. Rg1
(2) 13 12:00 -0.03 1. Bd4 Nd6 2. Nxd6 cxd6 3. Kf1 Bxd4
4. Rxd4 Rac8 5. Kg2 b5 6. Rd2 Rfe8
7. Qf3 e5 8. dxe6 Qxe6
But if I give Crafty the position after d6, it does realize that White is
better:
6 0.68 0.41 1. ... c6 2. dxe7 Qxe7 3. Nc3 Nd6 4.
Rxg6 Nxe4 5. Kd3 Nxc3 6. bxc3
6 0.83 0.09 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 e6
4. Rg3 Rfc8
(2) 6-> 0.97 0.09 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 e6
4. Rg3 Rfc8
7 1.03 -- 1. ... Nxd6
7 1.27 0.61 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 Kh8
4. Rg5 Bf6 5. Qb5
7 2.32 0.56 1. ... cxd6 2. Rxg6 Kh7 3. Rg5 Bh6
4. Rg3 Bxe3 5. Kxe3
(2) 7-> 2.53 0.56 1. ... cxd6 2. Rxg6 Kh7 3. Rg5 Bh6
4. Rg3 Bxe3 5. Kxe3
8 3.13 0.66 1. ... cxd6 2. Rxg6 Kh7 3. Rgg1 Qc6
4. Rd5 Be5 5. h4
8 4.11 0.48 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 e6
4. Rg5 f6 5. Qb5 Qc7
(2) 8-> 5.22 0.48 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 e6
4. Rg5 f6 5. Qb5 Qc7
9 6.59 0.76 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 Kh7
4. Rg5 Bh6 5. Qb5 Qxb5+ 6. Rxb5 Bxe3
7. Kxe3
(2) 9-> 10.96 0.76 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 Kh7
4. Rg5 Bh6 5. Qb5 Qxb5+ 6. Rxb5 Bxe3
7. Kxe3
10 14.27 1.10 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 Kh7
4. Rg5 f6 5. Rh5+ Kg6 6. Rb5 Qg4+ 7.
f3 Qg2+ 8. Kd3
10 26.64 0.93 1. ... cxd6 2. Rxg6 Kh7 3. Rg5 Bh6
4. Rf5 Bg7 5. Qc2 Qe6 6. Rdd5
10-> 31.90 0.93 1. ... cxd6 2. Rxg6 Kh7 3. Rg5 Bh6
4. Rf5 Bg7 5. Qc2 Qe6 6. Rdd5
11 52.74 1.24 1. ... cxd6 2. Rxg6 Kh8 3. Rg3 a6 4.
Nd4 a5 5. Qd5 Be5 6. f4 Nb6
11 1:08 1.09 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 Kh7
4. Rgg1 f5 5. Bd4 Bh6 6. Qg3 Qb5+ 7.
Kf3 fxe4+ 8. Kg2
(2) 11-> 1:37 1.09 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 Kh7
4. Rgg1 f5 5. Bd4 Bh6 6. Qg3 Qb5+ 7.
Kf3 fxe4+ 8. Kg2
12 2:10 1.41 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 Kh7
4. Rg5 Bh6 5. Rf5 Qe6 6. Qxe6 fxe6
7. Rxf8 Bxf8 8. h4
(2) 12-> 3:43 1.41 1. ... Nxd6 2. Nxd6 cxd6 3. Rxg6 Kh7
4. Rg5 Bh6 5. Rf5 Qe6 6. Qxe6 fxe6
7. Rxf8 Bxf8 8. h4
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