Author: Mike Byrne
Date: 15:20:13 02/15/03
looks pretty good ....
finds this mate-in 13 in 10 seconds on my machine
[d] 2k5/215/3pr2p/5Qp1/8/6P1/3pqP1P/R5K1 w - - bm Ra8 id "CCC"
solution 1. Ra8+
end-game phase
time surplus 0.00 time limit 30.00 (30.00)
depth time score variation (1)
2 0.00 -1.98 1. Qc2+ Kb7 2. Rd1
2-> 0.00 -1.98 1. Qc2+ Kb7 2. Rd1
3 0.00 -1.63 1. Qc2+ Kd7 2. Rd1 Qe1+ 3. Kg2
3-> 0.02 -1.63 1. Qc2+ Kd7 2. Rd1 Qe1+ 3. Kg2 (s=3)
4 0.02 -1.49 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 (s=2)
4-> 0.03 -1.49 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 (s=3)
5 0.03 ++ 1. Qc2+!!
5 0.03 -1.04 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 5. Rf8+ Kg4 (s=2)
5-> 0.06 -1.04 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 5. Rf8+ Kg4 (s=4)
6 0.06 -0.81 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 5. Rf8+ Ke5 6. Qxg5+ Kd4
(s=3)
6-> 0.10 -0.81 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 5. Rf8+ Ke5 6. Qxg5+ Kd4
(s=3)
7 0.13 -0.70 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 5. Rf8+ Ke5 6. Qxg5+ Kd4
7. Qf4+ Kc3 (s=2)
7-> 0.24 -0.70 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 5. Rf8+ Ke5 6. Qxg5+ Kd4
7. Qf4+ Kc3 (s=3)
8 0.36 -0.75 1. Qc2+ Kd8 2. Ra8+ Ke7 3. Qh7+ Kf6
4. Qxh6+ Kf5 5. Rf8+ Ke5 6. Qxg5+ Kd4
7. Qf4+ Kd3 8. Qf5+ Re4 (s=2)
8 0.55 -0.67 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Ra4+ Ke5 6. Qb2+ Kd5
7. Rd4+ Kc5 8. Qb4+ Kc6 9. Rxd2
8-> 0.56 -0.67 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Ra4+ Ke5 6. Qb2+ Kd5
7. Rd4+ Kc5 8. Qb4+ Kc6 9. Rxd2 (s=3)
9 0.61 ++ 1. Ra8+!!
9 0.74 0.00 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Qb2+ Kc4 6. Qb5+ Kc3
7. Ra3+ Kd4 8. Ra4+ Kc3 9. Ra3+ (s=2)
9-> 1.20 0.00 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Qb2+ Kc4 6. Qb5+ Kc3
7. Ra3+ Kd4 8. Ra4+ Kc3 9. Ra3+ (s=4)
10 1.44 ++ 1. Ra8+!!
10 1.80 4.31 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Qb2+ Kc4 6. Ra4+ Kc5
7. Qc3+ Kb6 8. Rb4+ Qb5 9. Rxb5+ Kxb5
10. Qxd2 (s=3)
10-> 2.63 4.31 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Qb2+ Kc4 6. Ra4+ Kc5
7. Qc3+ Kb6 8. Rb4+ Qb5 9. Rxb5+ Kxb5
10. Qxd2 (s=3)
11 3.41 4.23 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Qb2+ Kc4 6. Ra4+ Kc5
7. Qc3+ Kb6 8. Rb4+ Qb5 9. Qxd2 Qxb4
10. Qxb4+ Kc6 (s=2)
11-> 5.91 4.23 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Qb2+ Kc4 6. Ra4+ Kc5
7. Qc3+ Kb6 8. Rb4+ Qb5 9. Qxd2 Qxb4
10. Qxb4+ Kc6 (s=4)
12 6.42 ++ 1. Ra8+!!
12 10.49 Mat13 1. Ra8+ Kd7 2. Ra7+ Kc6 3. Qc2+ Kd5
4. Ra5+ Kd4 5. Qb2+ Kc4 6. Qb5+ Kc3
7. Ra3+ Kd4 8. Ra4+ Kc3 9. Qb4+ Kc2
10. Ra2+ Kd3 11. Ra3+ Kc2 12. Rc3+
Kd1 13. Qb1# (s=3)
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