Author: Anthony Cozzie
Date: 11:28:32 07/11/03
Go up one level in this thread
On July 11, 2003 at 13:47:30, Tim Foden wrote:
>On July 11, 2003 at 12:35:49, Rex wrote:
>
>>
>>Junior 8 makes a great move 36...Rb2 against Deep Sjeng 1.5 during the RK 2003
>>Tourney.
>>
>>How long does your program find Rb2!!
>>
>>[D]6k1/pp6/7p/P2P1Rp1/1Bb5/1qP5/4r1PP/2Q3K1 b - - 0 1
>
>GLC 3.00, AXP 1.47GHz, 24MB Hash... 0.63s/7ply => draw, 2.99s/9ply => +2.5
>
>I see it does better than some of the pros here... this probably means that the
>evaluation is faulty :)
>
>Cheers, Tim.
>
>Analysis below:
>
> Game stage: Middle game
> Current eval: -1.419
> Ply Time Score Nodes Principal variation
> 4 0.010 -0.119 5934 Rc2 2. Qe1 Bxd5 3. Qe8+ Kh7
> 4 0.010 -0.119 6527 Rc2 2. Qe1 Bxd5 3. Qe8+ Kh7
> 5 0.020 -0.519 16797 Rc2 {--} 2. Qe1 Bxd5 3. Qe8+ Kh7 4. Qd7+ Kg6 5.
> Rxd5
> 5 0.030 -1.712 20644 Rc2 2. Qe1 Re2 3. Rf8+ Kh7 4. Rf7+ Kh8
> 5 0.030 -1.420 27017 Bxd5 2. Rxg5+ Kh7 3. Qf1 Re1 4. Qxe1 hxg5
> 5 0.070 -1.379 57235 Kh7 2. d6 Bd5 3. g3 Kh8
> 5 0.070 -1.379 62973 Kh7 2. d6 Bd5 3. g3 Kh8
> 6 0.100 -1.224 88251 Kh7 2. Qf1 Rf2 3. Rf7+ Kg6 4. Rg7+ Kxg7 5. Qxf2
> Bxd5 6. Qxa7
> 6 0.120 -1.131 104992 Bxd5 2. Rxg5+ Kh7 3. Qf1 hxg5 4. Qxe2 Qb1+ 5. Kf2
> 6 0.181 -1.131 155351 Bxd5 2. Rxg5+ Kh7 3. Qf1 hxg5 4. Qxe2 Qb1+ 5. Kf2
> 7 0.211 -1.053 178656 Bxd5 2. Rxg5+ Kh7 3. Qf1 hxg5 4. Qxe2 Qb1+ 5. Qf1
> Qxf1+ 6. Kxf1 Be4
> 7 0.291 -0.731 260304 Kh7 {++} 2. Rf8 Bxd5 3. Rf7+ Bxf7 4. Qf1
> 7 0.391 -0.070 365034 Kh7 2. Rf7+ Kg6 3. Re7 Rxe7 4. Bxe7 Bxd5 5. Qe1
> Qc4
> 7 0.631 +0.000 588625 Rb2 2. Rf8+ Kg7 3. Rd8 Rb1 4. Rd7+ Kg8 5. Rd8+ Kg7
> 7 0.631 +0.000 590976 Rb2 2. Rf8+ Kg7 3. Rd8 Rb1 4. Rd7+ Kg8 5. Rd8+ Kg7
> 8 0.882 +0.000 819608 Rb2 2. Rxg5+ hxg5 3. Qxg5+ Kh7 4. Qe7+ Kg6 5. Qe8+
> Kg7 6. Bf8+ Kf6 7. Qe6+ Kg5 8. Be7+ Kf4 9. Bd6+
> Kg5 10. Be7+
> 8 1.172 +0.000 1105952 Rb2 2. Rxg5+ hxg5 3. Qxg5+ Kh7 4. Qe7+ Kg6 5. Qe8+
> Kg7 6. Bf8+ Kf6 7. Qe6+ Kg5 8. Be7+ Kf4 9. Bd6+
> Kg5 10. Be7+
> 9 1.963 +0.400 1824387 Rb2 {++} 2. Rxg5+ Kh7 3. Qf1 Bxf1 4. Kxf1
> 9 2.985 +2.503 2716264 Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. g4+ Kxg4 7. Re4+ Kf5 8. Rf4+ Ke5 9. Bd6+
> Kxd6
> 9 3.145 +2.503 2892808 Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. g4+ Kxg4 7. Re4+ Kf5 8. Rf4+ Ke5 9. Bd6+
> Kxd6
> 10 4.707 +2.672 4247543 Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Qe1 Rxe1+ 7. Rxe1 Bxd5 8. Re7
> 10 4.987 +2.672 4551225 Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Qe1 Rxe1+ 7. Rxe1 Bxd5 8. Re7
> 11 10.185 +2.881 8980206 Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Re1 Rxc1 7. Rxc1 Bxd5 8. Re1
> 11 10.896 +2.881 9744421 Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Re1 Rxc1 7. Rxc1 Bxd5 8. Re1
> 12 19.548 +2.936 17129k Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Re1 Rxc1 7. Rxc1 Bxd5 8. Rf1+ {ht}
> 12 21.211 +2.936 18805k Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Re1 Rxc1 7. Rxc1 Bxd5 8. Rf1+ {ht}
> 13 54.419 +3.100 46721k Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Re1 Rxc1 7. Rxc1 Bxd5 8. Bf8 Kg5 9. Bd6
> 13 1:02.09 +3.100 53930k Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Re1 Rxc1 7. Rxc1 Bxd5 8. Bf8 Kg5 9. Bd6
> 14 2:15.88 +3.239 115471k Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Re1 Rxc1 7. Rxc1 Bxd5 8. Re1 Qc2 9. Rf1+
> Kg6 10. Rf2
> 14 2:44.35 +3.239 141643k Rb2 2. Rxg5+ Kh7 3. Re5 Rb1 4. Re7+ Kg6 5. Re6+
> Kf5 6. Re1 Rxc1 7. Rxc1 Bxd5 8. Re1 Qc2 9. Rf1+
> Kg6 10. Rf2
very impressive. A lot of amatuers seem to do well on this one, I wonder if
this position is sensitive to the greater amount of pruning the pros do.
anthony
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