Author: Robert Hyatt
Date: 10:48:14 05/08/04
Go up one level in this thread
On May 07, 2004 at 16:45:27, José Antônio Fabiano Mendes wrote:
> Twins = Prokop 1928 = Test Positions
> Source ==> "Queen and Pawn Endings", by Yuri Averbakh, 1975 [page 132]
> [D]5q2/Q7/3kp3/8/4P3/1p1K4/1P6/8 w
12 23.80 1.46 1. e5+ Kd5 2. Qd4+ Kc6 3. Qc4+ Kd7
4. Qb5+ Kc7 5. Kc3 Qf3+ 6. Qd3 Qc6+
7. Kxb3 Qb6+ 8. Kc4 Qxb2 9. Qd6+ Kb7
10. Qe7+ Ka8 11. Qe8+ Kb7 12. Qxe6
12 25.42 +1 1. Qb6+!!
12 25.45 +3 1. Qb6+!!
12 25.49 +M 1. Qb6+!!
12 27.16 12.61 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Ke7 9. Qxf4 e5
10. Qf5 Kd6 11. Qf6+ Kc7 12. Qxe5+
Kd7 <HT>
12-> 27.27 12.61 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Ke7 9. Qxf4 e5
10. Qf5 Kd6 11. Qf6+ Kc7 12. Qxe5+
Kd7 <HT> (s=2)
13 27.63 12.61 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Ke7 9. Qxf4 e5
10. Qf5 Kd6 11. Qf6+ Kc7 12. Qxe5+
Kb6
13-> 28.86 12.61 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Ke7 9. Qxf4 e5
10. Qf5 Kd6 11. Qf6+ Kc7 12. Qxe5+
Kb6 (s=5)
14 29.03 +1 1. Qb6+!!
14 29.07 +3 1. Qb6+!!
14 29.63 +M 1. Qb6+!!
14 30.53 19.79 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Kd7 9. Qxf4 e5
10. Qxe5 Kd8 11. Qe6 Kc7 12. Qxb3 (s=4)
14-> 32.71 19.79 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Kd7 9. Qxf4 e5
10. Qxe5 Kd8 11. Qe6 Kc7 12. Qxb3
15 32.77 +1 1. Qb6+!!
15 32.85 +3 1. Qb6+!!
15 32.91 +M 1. Qb6+!!
15 37.01 Mat31 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Kd7 9. Qxf4 Kc6
10. Kc4 Kb7 11. Qb8+ Kxb8 12. Kxb3
<EGTB>
15-> 41.10 Mat31 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Kd7 9. Qxf4 Kc6
10. Kc4 Kb7 11. Qb8+ Kxb8 12. Kxb3
<EGTB> (s=2)
16 47.78 Mat31 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Kd7 9. Qxf4 Ke8
10. Qf8+ Kxf8 11. Kc4 Kf7 12. Kxb3
<HT>
16-> 1:04 Mat31 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Kd7 9. Qxf4 Ke8
10. Qf8+ Kxf8 11. Kc4 Kf7 12. Kxb3
<HT> (s=3)
17 1:06 Mat29 1. Qb6+ Kd7 2. Qb7+ Kd6 3. Qb4+ Ke5
4. Qd4+ Kf4 5. Qf2+ Ke5 6. Qh2+ Qf4
7. Qh8+ Kd6 8. Qb8+ Kd7 9. Qxf4 Ke8
10. Kc4 Ke7 11. Qe5 Kf7 12. Qxe6+ Kxe6
<EGTB> (s=2)
> [D]6q1/1Q6/4kp2/8/5P2/2p1K3/2P5/8 w
15 10.18 10.11 1. Qc6+ Kf5 2. Qe4+ Kg4 3. f5+ Kg3
4. Qf3+ Kh2 5. Qh5+ Kg3 6. Qg6+ Qxg6
7. fxg6 f5 8. g7 f4+ 9. Ke4 Kf2 10.
g8=Q f3 11. Qg4 Ke1 12. Qg1+ Kd2 13.
Qf2+ Kc1 <HT>
15-> 13.87 10.11 1. Qc6+ Kf5 2. Qe4+ Kg4 3. f5+ Kg3
4. Qf3+ Kh2 5. Qh5+ Kg3 6. Qg6+ Qxg6
7. fxg6 f5 8. g7 f4+ 9. Ke4 Kf2 10.
g8=Q f3 11. Qg4 Ke1 12. Qg1+ Kd2 13.
Qf2+ Kc1 <HT> (s=2)
16 14.12 +1 1. Qc6+!!
16 14.32 +3 1. Qc6+!!
16 20.67 11.97 1. Qc6+ Kf5 2. Qe4+ Kg4 3. f5+ Kg3
4. Qf3+ Kh2 5. Qh5+ Kg3 6. Qg6+ Qxg6
7. fxg6 Kg4 8. g7 Kf5 9. Kd4 Ke6 10.
g8=Q+ Ke7 11. Qc8 f5 12. Qxf5 Kd8 13.
Kxc3
16-> 30.07 11.97 1. Qc6+ Kf5 2. Qe4+ Kg4 3. f5+ Kg3
4. Qf3+ Kh2 5. Qh5+ Kg3 6. Qg6+ Qxg6
7. fxg6 Kg4 8. g7 Kf5 9. Kd4 Ke6 10.
g8=Q+ Ke7 11. Qc8 f5 12. Qxf5 Kd8 13.
Kxc3
17 30.25 +1 1. Qc6+!!
17 30.36 +3 1. Qc6+!!
17 30.46 +M 1. Qc6+!!
17 36.75 16.68 1. Qc6+ Kf5 2. Qe4+ Kg4 3. f5+ Kg3
4. Qf3+ Kh2 5. Qh5+ Kg3 6. Qg6+ Qxg6
7. fxg6 f5 8. g7 f4+ 9. Ke4 Kf2 10.
g8=Q Ke2 11. Qc4+ Kd2 12. Qd3+ Kc1
13. Qxc3 Kb1 14. Qb3+ Ka1 15. Kxf4
17-> 44.70 16.68 1. Qc6+ Kf5 2. Qe4+ Kg4 3. f5+ Kg3
4. Qf3+ Kh2 5. Qh5+ Kg3 6. Qg6+ Qxg6
7. fxg6 f5 8. g7 f4+ 9. Ke4 Kf2 10.
g8=Q Ke2 11. Qc4+ Kd2 12. Qd3+ Kc1
13. Qxc3 Kb1 14. Qb3+ Ka1 15. Kxf4
18 44.92 +1 1. Qc6+!!
18 45.10 +3 1. Qc6+!!
18 45.24 +M 1. Qc6+!!
18 1:11 Mat27 1. Qc6+ Ke7 2. Qc7+ Ke6 3. Qc4+ Kf5
4. Qe4+ Kg4 5. f5+ Kg3 6. Qf3+ Kh2
7. Qh5+ Kg3 8. Qg6+ Qxg6 9. fxg6 f5
10. Kd3 f4 11. Kxc3 <HT>
18-> 1:34 Mat27 1. Qc6+ Ke7 2. Qc7+ Ke6 3. Qc4+ Kf5
4. Qe4+ Kg4 5. f5+ Kg3 6. Qf3+ Kh2
7. Qh5+ Kg3 8. Qg6+ Qxg6 9. fxg6 f5
10. Kd3 f4 11. Kxc3 <HT>
19 2:19 Mat27 1. Qc6+ Ke7 2. Qc7+ Ke6 3. Qc4+ Kf5
4. Qe4+ <HT>
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