Author: Mike Byrne
Date: 21:20:57 08/27/05
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
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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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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