Author: David Dahlem
Date: 03:39:48 08/28/05
Go up one level in this thread
On August 28, 2005 at 00:20:57, Mike Byrne wrote: >Work has begun on Crafty Classic 2005. It will not be a straight Crafty 20.0. >One example where you will see a difference is in this position. > >A position noted by Ed Schröder many moons ago. > >Crafty Classic 2005 (based on Crafty 20.0) > >solves this mate-in-30 in 0.36 seconds > >Black(1): [d]5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - - 0 1 My little engine finds the mate in 15 seconds. :-) Sage 0.9a: 7 00:01 +5.89 1.Neg4+ 7 00:01 +4.56 1.Neg4+ Kf5 2.Nh6+ Ke5 3.Nf7+ Kf5 4.Nd6+ Ke5 5.Ng4+ Kd5 6.c4+ Bxc4 7.Ne3+ Ke5 8.Ndxc4+ Ke4 9.Nxd2+ Ke5 10.Nxb1 Nh7 8 00:04 +4.06 1.Neg4+ 8 00:06 +2.97 1.Neg4+ Kf5 2.Nh6+ Ke5 3.Nf7+ Kf5 4.Nd6+ Ke5 5.Ng4+ Kd5 6.c4+ Bxc4 7.Ne3+ Ke5 8.Ndxc4+ Ke4 9.Nxd2+ Ke5 10.Nxb1 Nh7 11.Bb8+ Kd4 9 00:07 +3.47 1.Neg4+ 9 00:15 +M30 1.Neg4+ Kf5 2.Nh6+ Ke5 3.Nf7+ Kf5 4.Nd6+ Ke5 5.Ng4+ Kd5 6.Ne3+ Ke5 7.Nf7+ Ke4 8.Ng5+ Ke5 9.Nf3+ Ke4 10.Nxd2+ Ke5 11.Nf3+ Ke4 12.Ng5+ Ke5 13.Nf7+ Ke4 14.Nd6+ Ke5 15.Ng4+ Kd5 16.Nf6+ Ke5 17.Nf7+ Kf5 18.Nh6+ Ke5 19.Nhg4+ Kf5 20.Ne3+ Ke5 21.Nfg4+ Ke4 22.Nf2+ Ke5 23.Nxd3+ Ke4 24.Nf2+ Ke5 25.Nfg4+ Ke4 26.Nf6+ Ke5 27.Nc4+ Kf5 28.Nd6+ Ke5 29.Ng4+ Kd5 30.c4+ Regards Dave >White(1): g > time surplus 28.51 time limit 5.00 (5.00) > depth time score variation (1) > 1 0.00 -10.57 1. cxd3 Qxd3 > 1 0.00 0.01 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nhg4+ > 1-> 0.02 0.01 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nhg4+ > 2 0.02 0.01 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nhg4+ > 2-> 0.03 0.01 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nhg4+ > 3 0.06 +1 1. Neg4+!! > 3 0.06 +3 1. Neg4+!! > 3 0.08 +M 1. Neg4+!! > 3 0.09 4.68 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. c4+ Bxc4 > 7. Ne3+ Ke5 8. Ndxc4+ Ke4 9. Nxd2+ > Kd3 10. Nxb1 > 3-> 0.11 4.68 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. c4+ Bxc4 > 7. Ne3+ Ke5 8. Ndxc4+ Ke4 9. Nxd2+ > Kd3 10. Nxb1 > 4 0.11 4.82 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nxb1 Bxc2 12. Nxc2 > 4-> 0.12 4.82 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nxb1 Bxc2 12. Nxc2 > (s=2) > 5 0.12 4.82 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nxb1 Bxc2 12. Nxc2 > 5-> 0.14 4.82 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nxb1 Bxc2 12. Nxc2 > (s=2) > 6 0.14 4.82 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. c4+ Bxc4 > 7. Ne3+ Ke5 8. Ndxc4+ Ke4 9. Nxd2+ > Kd3 10. Nxb1 Nh7 11. g4 > 6-> 0.17 4.82 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. c4+ Bxc4 > 7. Ne3+ Ke5 8. Ndxc4+ Ke4 9. Nxd2+ > Kd3 10. Nxb1 Nh7 11. g4 (s=2) > 7 0.19 4.91 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nxb1 Bxc2 12. Nxc2 > Ne6 13. Bf2 > 7-> 0.23 4.91 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nxb1 Bxc2 12. Nxc2 > Ne6 13. Bf2 (s=2) > 8 0.28 +1 1. Neg4+!! > 8 0.30 +3 1. Neg4+!! > 8 0.30 +M 1. Neg4+!! > 8 0.36 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > 8-> 0.41 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# (s=2) > 9 0.56 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > 9-> 0.66 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > 10 1.00 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > 10-> 1.17 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > 11 1.89 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > 11-> 2.23 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > 12 3.70 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > 12-> 4.41 Mat30 1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 > 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 > 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 > 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ > Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ > Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ > Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. > Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd3+ Ke4 > 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ > Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ > Kd5 30. c4# > time=5.00 mat=-12 n=26728274 fh=99% nps=5.35M > ext-> chk=1735694 cap=12655 1rep=86809 mate=5525 > predicted=0 nodes=26728274 evals=4498 50move=0 > endgame tablebase-> probes=0 hits=0 > SMP-> split=1788 stop=14 data=8/64 elap=5.00 > >mate in 30 moves.
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