Author: Jon Dart
Date: 18:57:35 06/18/00
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Arasan 5.4 does not find the mate in 300 seconds on a fast machine (Athlon 750). Arasan 5.2, which has somewhat less aggressive extensions, does better, finding it in 264 seconds at ply 12. ply 4. Kb1 0 seconds. score: -1.48 2949 nodes. ply 5. Kb1 0 seconds. score: -1.59 11168 nodes. ply 6. Kb1 0 seconds. score: -1.67 29825 nodes. ply 7. Rxh5 0 seconds. score: -1.14 59883 nodes. ply 7. Rxh5 0 seconds. score: -1.14 80991 nodes. ply 8. Rxh5 1 seconds. score: -1.25 152707 nodes. ply 9. Rxh5 1 seconds. score: -0.75 310296 nodes. ply 10. Rxh5 3 seconds. score: -0.75 652975 nodes. ply 11. Rxh5 4 seconds. score: -0.13 819584 nodes. ply 11. Rxh5 8 seconds. score: 1.31 1849544 nodes. ply 12. Rxh5 12 seconds. score: 1.94 2472316 nodes. ply 12. Rxh5 264 seconds. score: 155.98 65220903 nodes. 246321 nodes/second. On the other hand, I believe version 5.4 generally plays better. --Jon
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