[d]8/8/k7/8/KR6/Rn6/8/8 w - - 0 1
The following position is double mate in 1 (side that begin has a single solution for mate in 1.
same for the following position
[d]7q/8/8/8/Q7/K7/8/k7 w - - 0 1
I wonder what is the number of double mate positions in different tablebases
statistics about mates from tablebases
Moderators: hgm, Rebel, chrisw
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Re: statistics about mates from tablebases
I can find the double mates with the help of SEE but only if both moves are the only winning moves. So your KQvKQ example is missing from this list (176 positions) because of the dual win 1.Kb3+.
8/8/8/8/q7/k7/5Q2/K7 w - - 0 1
8/8/1Q6/8/8/8/8/K1kq4 w - - 0 1
8/8/8/8/q7/k7/5Q2/1K6 w - - 0 1
8/8/8/8/q7/k7/6Q1/1K6 w - - 0 1
8/8/8/8/q7/k7/7Q/1K6 w - - 0 1
8/8/8/4Q3/q7/k7/8/1K6 w - - 0 1
8/8/1Q6/8/q7/k7/8/1K6 w - - 0 1
8/8/5Q2/8/q7/k7/8/1K6 w - - 0 1
8/1Q6/8/8/q7/k7/8/1K6 w - - 0 1
8/6Q1/8/8/q7/k7/8/1K6 w - - 0 1
1Q6/8/8/8/q7/k7/8/1K6 w - - 0 1
7Q/8/8/8/q7/k7/8/1K6 w - - 0 1
8/8/1q6/8/8/8/8/k1KQ4 w - - 0 1
8/8/8/8/8/8/k4q2/2KQ4 w - - 0 1
8/8/8/8/8/8/k5q1/2KQ4 w - - 0 1
8/8/8/8/8/8/k6q/2KQ4 w - - 0 1
8/8/8/4q3/8/8/k7/2KQ4 w - - 0 1
8/8/1q6/8/8/8/k7/2KQ4 w - - 0 1
8/8/5q2/8/8/8/k7/2KQ4 w - - 0 1
8/1q6/8/8/8/8/k7/2KQ4 w - - 0 1
8/6q1/8/8/8/8/k7/2KQ4 w - - 0 1
1q6/8/8/8/8/8/k7/2KQ4 w - - 0 1
7q/8/8/8/8/8/k7/2KQ4 w - - 0 1
8/8/6q1/8/8/8/8/4QK1k w - - 0 1
8/8/8/8/8/8/q6k/4QK2 w - - 0 1
8/8/8/8/8/8/1q5k/4QK2 w - - 0 1
8/8/8/8/8/8/2q4k/4QK2 w - - 0 1
8/8/8/3q4/8/8/7k/4QK2 w - - 0 1
8/8/2q5/8/8/8/7k/4QK2 w - - 0 1
8/8/6q1/8/8/8/7k/4QK2 w - - 0 1
8/1q6/8/8/8/8/7k/4QK2 w - - 0 1
8/6q1/8/8/8/8/7k/4QK2 w - - 0 1
q7/8/8/8/8/8/7k/4QK2 w - - 0 1
6q1/8/8/8/8/8/7k/4QK2 w - - 0 1
8/8/8/8/7q/7k/Q7/6K1 w - - 0 1
8/8/8/8/7q/7k/1Q6/6K1 w - - 0 1
8/8/8/8/7q/7k/2Q5/6K1 w - - 0 1
8/8/8/3Q4/7q/7k/8/6K1 w - - 0 1
8/8/2Q5/8/7q/7k/8/6K1 w - - 0 1
8/8/6Q1/8/7q/7k/8/6K1 w - - 0 1
8/1Q6/8/8/7q/7k/8/6K1 w - - 0 1
8/6Q1/8/8/7q/7k/8/6K1 w - - 0 1
Q7/8/8/8/7q/7k/8/6K1 w - - 0 1
6Q1/8/8/8/7q/7k/8/6K1 w - - 0 1
8/8/8/8/7q/7k/2Q5/7K w - - 0 1
8/8/6Q1/8/8/8/8/4qk1K w - - 0 1
8/8/8/8/8/8/K4Q2/2kq4 w - - 0 1
8/8/8/8/8/8/K5Q1/2kq4 w - - 0 1
8/8/8/8/8/8/K6Q/2kq4 w - - 0 1
8/8/8/4Q3/8/8/K7/2kq4 w - - 0 1
8/8/1Q6/8/8/8/K7/2kq4 w - - 0 1
8/8/5Q2/8/8/8/K7/2kq4 w - - 0 1
8/1Q6/8/8/8/8/K7/2kq4 w - - 0 1
8/6Q1/8/8/8/8/K7/2kq4 w - - 0 1
1Q6/8/8/8/8/8/K7/2kq4 w - - 0 1
7Q/8/8/8/8/8/K7/2kq4 w - - 0 1
8/8/8/8/8/8/Q6K/4qk2 w - - 0 1
8/8/8/8/8/8/1Q5K/4qk2 w - - 0 1
8/8/8/8/8/8/2Q4K/4qk2 w - - 0 1
8/8/8/3Q4/8/8/7K/4qk2 w - - 0 1
8/8/2Q5/8/8/8/7K/4qk2 w - - 0 1
8/8/6Q1/8/8/8/7K/4qk2 w - - 0 1
8/1Q6/8/8/8/8/7K/4qk2 w - - 0 1
8/6Q1/8/8/8/8/7K/4qk2 w - - 0 1
Q7/8/8/8/8/8/7K/4qk2 w - - 0 1
6Q1/8/8/8/8/8/7K/4qk2 w - - 0 1
8/8/8/8/Q7/K7/5q2/k7 w - - 0 1
8/8/8/8/Q7/K7/5q2/1k6 w - - 0 1
8/8/8/8/Q7/K7/6q1/1k6 w - - 0 1
8/8/8/8/Q7/K7/7q/1k6 w - - 0 1
8/8/8/4q3/Q7/K7/8/1k6 w - - 0 1
8/8/1q6/8/Q7/K7/8/1k6 w - - 0 1
8/8/5q2/8/Q7/K7/8/1k6 w - - 0 1
8/1q6/8/8/Q7/K7/8/1k6 w - - 0 1
8/6q1/8/8/Q7/K7/8/1k6 w - - 0 1
1q6/8/8/8/Q7/K7/8/1k6 w - - 0 1
7q/8/8/8/Q7/K7/8/1k6 w - - 0 1
8/8/8/8/7Q/7K/q7/6k1 w - - 0 1
8/8/8/8/7Q/7K/1q6/6k1 w - - 0 1
8/8/8/8/7Q/7K/2q5/6k1 w - - 0 1
8/8/8/3q4/7Q/7K/8/6k1 w - - 0 1
8/8/2q5/8/7Q/7K/8/6k1 w - - 0 1
8/8/6q1/8/7Q/7K/8/6k1 w - - 0 1
8/1q6/8/8/7Q/7K/8/6k1 w - - 0 1
8/6q1/8/8/7Q/7K/8/6k1 w - - 0 1
q7/8/8/8/7Q/7K/8/6k1 w - - 0 1
6q1/8/8/8/7Q/7K/8/6k1 w - - 0 1
8/8/8/8/7Q/7K/2q5/7k w - - 0 1
k7/5q2/K7/Q7/8/8/8/8 w - - 0 1
1k6/8/K7/Q7/8/8/8/1q6 w - - 0 1
1k6/8/K7/Q7/8/8/8/7q w - - 0 1
1k6/8/K7/Q7/8/8/1q6/8 w - - 0 1
1k6/8/K7/Q7/8/8/6q1/8 w - - 0 1
1k6/8/K7/Q7/8/1q6/8/8 w - - 0 1
1k6/8/K7/Q7/8/5q2/8/8 w - - 0 1
1k6/8/K7/Q7/4q3/8/8/8 w - - 0 1
1k6/5q2/K7/Q7/8/8/8/8 w - - 0 1
1k6/6q1/K7/Q7/8/8/8/8 w - - 0 1
1k6/7q/K7/Q7/8/8/8/8 w - - 0 1
6k1/8/7K/7Q/8/8/8/q7 w - - 0 1
6k1/8/7K/7Q/8/8/8/6q1 w - - 0 1
6k1/8/7K/7Q/8/8/1q6/8 w - - 0 1
6k1/8/7K/7Q/8/8/6q1/8 w - - 0 1
6k1/8/7K/7Q/8/2q5/8/8 w - - 0 1
6k1/8/7K/7Q/8/6q1/8/8 w - - 0 1
6k1/8/7K/7Q/3q4/8/8/8 w - - 0 1
6k1/q7/7K/7Q/8/8/8/8 w - - 0 1
6k1/1q6/7K/7Q/8/8/8/8 w - - 0 1
6k1/2q5/7K/7Q/8/8/8/8 w - - 0 1
7k/2q5/7K/7Q/8/8/8/8 w - - 0 1
2kq4/K7/8/8/8/8/8/1Q6 w - - 0 1
2kq4/K7/8/8/8/8/8/7Q w - - 0 1
2kq4/K7/8/8/8/8/1Q6/8 w - - 0 1
2kq4/K7/8/8/8/8/6Q1/8 w - - 0 1
2kq4/K7/8/8/8/1Q6/8/8 w - - 0 1
2kq4/K7/8/8/8/5Q2/8/8 w - - 0 1
2kq4/K7/8/8/4Q3/8/8/8 w - - 0 1
2kq4/K4Q2/8/8/8/8/8/8 w - - 0 1
2kq4/K5Q1/8/8/8/8/8/8 w - - 0 1
2kq4/K6Q/8/8/8/8/8/8 w - - 0 1
4qk2/7K/8/8/8/8/8/Q7 w - - 0 1
4qk2/7K/8/8/8/8/8/6Q1 w - - 0 1
4qk2/7K/8/8/8/8/1Q6/8 w - - 0 1
4qk2/7K/8/8/8/8/6Q1/8 w - - 0 1
4qk2/7K/8/8/8/2Q5/8/8 w - - 0 1
4qk2/7K/8/8/8/6Q1/8/8 w - - 0 1
4qk2/7K/8/8/3Q4/8/8/8 w - - 0 1
4qk2/Q6K/8/8/8/8/8/8 w - - 0 1
4qk2/1Q5K/8/8/8/8/8/8 w - - 0 1
4qk2/2Q4K/8/8/8/8/8/8 w - - 0 1
K1kq4/8/8/8/8/1Q6/8/8 w - - 0 1
K7/5Q2/k7/q7/8/8/8/8 w - - 0 1
1K6/8/k7/q7/8/8/8/1Q6 w - - 0 1
1K6/8/k7/q7/8/8/8/7Q w - - 0 1
1K6/8/k7/q7/8/8/1Q6/8 w - - 0 1
1K6/8/k7/q7/8/8/6Q1/8 w - - 0 1
1K6/8/k7/q7/8/1Q6/8/8 w - - 0 1
1K6/8/k7/q7/8/5Q2/8/8 w - - 0 1
1K6/8/k7/q7/4Q3/8/8/8 w - - 0 1
1K6/5Q2/k7/q7/8/8/8/8 w - - 0 1
1K6/6Q1/k7/q7/8/8/8/8 w - - 0 1
1K6/7Q/k7/q7/8/8/8/8 w - - 0 1
2KQ4/k7/8/8/8/8/8/1q6 w - - 0 1
2KQ4/k7/8/8/8/8/8/7q w - - 0 1
2KQ4/k7/8/8/8/8/1q6/8 w - - 0 1
2KQ4/k7/8/8/8/8/6q1/8 w - - 0 1
2KQ4/k7/8/8/8/1q6/8/8 w - - 0 1
2KQ4/k7/8/8/8/5q2/8/8 w - - 0 1
2KQ4/k7/8/8/4q3/8/8/8 w - - 0 1
2KQ4/k4q2/8/8/8/8/8/8 w - - 0 1
2KQ4/k5q1/8/8/8/8/8/8 w - - 0 1
2KQ4/k6q/8/8/8/8/8/8 w - - 0 1
k1KQ4/8/8/8/8/1q6/8/8 w - - 0 1
4QK2/7k/8/8/8/8/8/q7 w - - 0 1
4QK2/7k/8/8/8/8/8/6q1 w - - 0 1
4QK2/7k/8/8/8/8/1q6/8 w - - 0 1
4QK2/7k/8/8/8/8/6q1/8 w - - 0 1
4QK2/7k/8/8/8/2q5/8/8 w - - 0 1
4QK2/7k/8/8/8/6q1/8/8 w - - 0 1
4QK2/7k/8/8/3q4/8/8/8 w - - 0 1
4QK2/q6k/8/8/8/8/8/8 w - - 0 1
4QK2/1q5k/8/8/8/8/8/8 w - - 0 1
4QK2/2q4k/8/8/8/8/8/8 w - - 0 1
4QK1k/8/8/8/8/6q1/8/8 w - - 0 1
6K1/8/7k/7q/8/8/8/Q7 w - - 0 1
6K1/8/7k/7q/8/8/8/6Q1 w - - 0 1
6K1/8/7k/7q/8/8/1Q6/8 w - - 0 1
6K1/8/7k/7q/8/8/6Q1/8 w - - 0 1
6K1/8/7k/7q/8/2Q5/8/8 w - - 0 1
6K1/8/7k/7q/8/6Q1/8/8 w - - 0 1
6K1/8/7k/7q/3Q4/8/8/8 w - - 0 1
6K1/Q7/7k/7q/8/8/8/8 w - - 0 1
6K1/1Q6/7k/7q/8/8/8/8 w - - 0 1
6K1/2Q5/7k/7q/8/8/8/8 w - - 0 1
4qk1K/8/8/8/8/6Q1/8/8 w - - 0 1
7K/2Q5/7k/7q/8/8/8/8 w - - 0 1
8/8/8/8/q7/k7/5Q2/K7 w - - 0 1
8/8/1Q6/8/8/8/8/K1kq4 w - - 0 1
8/8/8/8/q7/k7/5Q2/1K6 w - - 0 1
8/8/8/8/q7/k7/6Q1/1K6 w - - 0 1
8/8/8/8/q7/k7/7Q/1K6 w - - 0 1
8/8/8/4Q3/q7/k7/8/1K6 w - - 0 1
8/8/1Q6/8/q7/k7/8/1K6 w - - 0 1
8/8/5Q2/8/q7/k7/8/1K6 w - - 0 1
8/1Q6/8/8/q7/k7/8/1K6 w - - 0 1
8/6Q1/8/8/q7/k7/8/1K6 w - - 0 1
1Q6/8/8/8/q7/k7/8/1K6 w - - 0 1
7Q/8/8/8/q7/k7/8/1K6 w - - 0 1
8/8/1q6/8/8/8/8/k1KQ4 w - - 0 1
8/8/8/8/8/8/k4q2/2KQ4 w - - 0 1
8/8/8/8/8/8/k5q1/2KQ4 w - - 0 1
8/8/8/8/8/8/k6q/2KQ4 w - - 0 1
8/8/8/4q3/8/8/k7/2KQ4 w - - 0 1
8/8/1q6/8/8/8/k7/2KQ4 w - - 0 1
8/8/5q2/8/8/8/k7/2KQ4 w - - 0 1
8/1q6/8/8/8/8/k7/2KQ4 w - - 0 1
8/6q1/8/8/8/8/k7/2KQ4 w - - 0 1
1q6/8/8/8/8/8/k7/2KQ4 w - - 0 1
7q/8/8/8/8/8/k7/2KQ4 w - - 0 1
8/8/6q1/8/8/8/8/4QK1k w - - 0 1
8/8/8/8/8/8/q6k/4QK2 w - - 0 1
8/8/8/8/8/8/1q5k/4QK2 w - - 0 1
8/8/8/8/8/8/2q4k/4QK2 w - - 0 1
8/8/8/3q4/8/8/7k/4QK2 w - - 0 1
8/8/2q5/8/8/8/7k/4QK2 w - - 0 1
8/8/6q1/8/8/8/7k/4QK2 w - - 0 1
8/1q6/8/8/8/8/7k/4QK2 w - - 0 1
8/6q1/8/8/8/8/7k/4QK2 w - - 0 1
q7/8/8/8/8/8/7k/4QK2 w - - 0 1
6q1/8/8/8/8/8/7k/4QK2 w - - 0 1
8/8/8/8/7q/7k/Q7/6K1 w - - 0 1
8/8/8/8/7q/7k/1Q6/6K1 w - - 0 1
8/8/8/8/7q/7k/2Q5/6K1 w - - 0 1
8/8/8/3Q4/7q/7k/8/6K1 w - - 0 1
8/8/2Q5/8/7q/7k/8/6K1 w - - 0 1
8/8/6Q1/8/7q/7k/8/6K1 w - - 0 1
8/1Q6/8/8/7q/7k/8/6K1 w - - 0 1
8/6Q1/8/8/7q/7k/8/6K1 w - - 0 1
Q7/8/8/8/7q/7k/8/6K1 w - - 0 1
6Q1/8/8/8/7q/7k/8/6K1 w - - 0 1
8/8/8/8/7q/7k/2Q5/7K w - - 0 1
8/8/6Q1/8/8/8/8/4qk1K w - - 0 1
8/8/8/8/8/8/K4Q2/2kq4 w - - 0 1
8/8/8/8/8/8/K5Q1/2kq4 w - - 0 1
8/8/8/8/8/8/K6Q/2kq4 w - - 0 1
8/8/8/4Q3/8/8/K7/2kq4 w - - 0 1
8/8/1Q6/8/8/8/K7/2kq4 w - - 0 1
8/8/5Q2/8/8/8/K7/2kq4 w - - 0 1
8/1Q6/8/8/8/8/K7/2kq4 w - - 0 1
8/6Q1/8/8/8/8/K7/2kq4 w - - 0 1
1Q6/8/8/8/8/8/K7/2kq4 w - - 0 1
7Q/8/8/8/8/8/K7/2kq4 w - - 0 1
8/8/8/8/8/8/Q6K/4qk2 w - - 0 1
8/8/8/8/8/8/1Q5K/4qk2 w - - 0 1
8/8/8/8/8/8/2Q4K/4qk2 w - - 0 1
8/8/8/3Q4/8/8/7K/4qk2 w - - 0 1
8/8/2Q5/8/8/8/7K/4qk2 w - - 0 1
8/8/6Q1/8/8/8/7K/4qk2 w - - 0 1
8/1Q6/8/8/8/8/7K/4qk2 w - - 0 1
8/6Q1/8/8/8/8/7K/4qk2 w - - 0 1
Q7/8/8/8/8/8/7K/4qk2 w - - 0 1
6Q1/8/8/8/8/8/7K/4qk2 w - - 0 1
8/8/8/8/Q7/K7/5q2/k7 w - - 0 1
8/8/8/8/Q7/K7/5q2/1k6 w - - 0 1
8/8/8/8/Q7/K7/6q1/1k6 w - - 0 1
8/8/8/8/Q7/K7/7q/1k6 w - - 0 1
8/8/8/4q3/Q7/K7/8/1k6 w - - 0 1
8/8/1q6/8/Q7/K7/8/1k6 w - - 0 1
8/8/5q2/8/Q7/K7/8/1k6 w - - 0 1
8/1q6/8/8/Q7/K7/8/1k6 w - - 0 1
8/6q1/8/8/Q7/K7/8/1k6 w - - 0 1
1q6/8/8/8/Q7/K7/8/1k6 w - - 0 1
7q/8/8/8/Q7/K7/8/1k6 w - - 0 1
8/8/8/8/7Q/7K/q7/6k1 w - - 0 1
8/8/8/8/7Q/7K/1q6/6k1 w - - 0 1
8/8/8/8/7Q/7K/2q5/6k1 w - - 0 1
8/8/8/3q4/7Q/7K/8/6k1 w - - 0 1
8/8/2q5/8/7Q/7K/8/6k1 w - - 0 1
8/8/6q1/8/7Q/7K/8/6k1 w - - 0 1
8/1q6/8/8/7Q/7K/8/6k1 w - - 0 1
8/6q1/8/8/7Q/7K/8/6k1 w - - 0 1
q7/8/8/8/7Q/7K/8/6k1 w - - 0 1
6q1/8/8/8/7Q/7K/8/6k1 w - - 0 1
8/8/8/8/7Q/7K/2q5/7k w - - 0 1
k7/5q2/K7/Q7/8/8/8/8 w - - 0 1
1k6/8/K7/Q7/8/8/8/1q6 w - - 0 1
1k6/8/K7/Q7/8/8/8/7q w - - 0 1
1k6/8/K7/Q7/8/8/1q6/8 w - - 0 1
1k6/8/K7/Q7/8/8/6q1/8 w - - 0 1
1k6/8/K7/Q7/8/1q6/8/8 w - - 0 1
1k6/8/K7/Q7/8/5q2/8/8 w - - 0 1
1k6/8/K7/Q7/4q3/8/8/8 w - - 0 1
1k6/5q2/K7/Q7/8/8/8/8 w - - 0 1
1k6/6q1/K7/Q7/8/8/8/8 w - - 0 1
1k6/7q/K7/Q7/8/8/8/8 w - - 0 1
6k1/8/7K/7Q/8/8/8/q7 w - - 0 1
6k1/8/7K/7Q/8/8/8/6q1 w - - 0 1
6k1/8/7K/7Q/8/8/1q6/8 w - - 0 1
6k1/8/7K/7Q/8/8/6q1/8 w - - 0 1
6k1/8/7K/7Q/8/2q5/8/8 w - - 0 1
6k1/8/7K/7Q/8/6q1/8/8 w - - 0 1
6k1/8/7K/7Q/3q4/8/8/8 w - - 0 1
6k1/q7/7K/7Q/8/8/8/8 w - - 0 1
6k1/1q6/7K/7Q/8/8/8/8 w - - 0 1
6k1/2q5/7K/7Q/8/8/8/8 w - - 0 1
7k/2q5/7K/7Q/8/8/8/8 w - - 0 1
2kq4/K7/8/8/8/8/8/1Q6 w - - 0 1
2kq4/K7/8/8/8/8/8/7Q w - - 0 1
2kq4/K7/8/8/8/8/1Q6/8 w - - 0 1
2kq4/K7/8/8/8/8/6Q1/8 w - - 0 1
2kq4/K7/8/8/8/1Q6/8/8 w - - 0 1
2kq4/K7/8/8/8/5Q2/8/8 w - - 0 1
2kq4/K7/8/8/4Q3/8/8/8 w - - 0 1
2kq4/K4Q2/8/8/8/8/8/8 w - - 0 1
2kq4/K5Q1/8/8/8/8/8/8 w - - 0 1
2kq4/K6Q/8/8/8/8/8/8 w - - 0 1
4qk2/7K/8/8/8/8/8/Q7 w - - 0 1
4qk2/7K/8/8/8/8/8/6Q1 w - - 0 1
4qk2/7K/8/8/8/8/1Q6/8 w - - 0 1
4qk2/7K/8/8/8/8/6Q1/8 w - - 0 1
4qk2/7K/8/8/8/2Q5/8/8 w - - 0 1
4qk2/7K/8/8/8/6Q1/8/8 w - - 0 1
4qk2/7K/8/8/3Q4/8/8/8 w - - 0 1
4qk2/Q6K/8/8/8/8/8/8 w - - 0 1
4qk2/1Q5K/8/8/8/8/8/8 w - - 0 1
4qk2/2Q4K/8/8/8/8/8/8 w - - 0 1
K1kq4/8/8/8/8/1Q6/8/8 w - - 0 1
K7/5Q2/k7/q7/8/8/8/8 w - - 0 1
1K6/8/k7/q7/8/8/8/1Q6 w - - 0 1
1K6/8/k7/q7/8/8/8/7Q w - - 0 1
1K6/8/k7/q7/8/8/1Q6/8 w - - 0 1
1K6/8/k7/q7/8/8/6Q1/8 w - - 0 1
1K6/8/k7/q7/8/1Q6/8/8 w - - 0 1
1K6/8/k7/q7/8/5Q2/8/8 w - - 0 1
1K6/8/k7/q7/4Q3/8/8/8 w - - 0 1
1K6/5Q2/k7/q7/8/8/8/8 w - - 0 1
1K6/6Q1/k7/q7/8/8/8/8 w - - 0 1
1K6/7Q/k7/q7/8/8/8/8 w - - 0 1
2KQ4/k7/8/8/8/8/8/1q6 w - - 0 1
2KQ4/k7/8/8/8/8/8/7q w - - 0 1
2KQ4/k7/8/8/8/8/1q6/8 w - - 0 1
2KQ4/k7/8/8/8/8/6q1/8 w - - 0 1
2KQ4/k7/8/8/8/1q6/8/8 w - - 0 1
2KQ4/k7/8/8/8/5q2/8/8 w - - 0 1
2KQ4/k7/8/8/4q3/8/8/8 w - - 0 1
2KQ4/k4q2/8/8/8/8/8/8 w - - 0 1
2KQ4/k5q1/8/8/8/8/8/8 w - - 0 1
2KQ4/k6q/8/8/8/8/8/8 w - - 0 1
k1KQ4/8/8/8/8/1q6/8/8 w - - 0 1
4QK2/7k/8/8/8/8/8/q7 w - - 0 1
4QK2/7k/8/8/8/8/8/6q1 w - - 0 1
4QK2/7k/8/8/8/8/1q6/8 w - - 0 1
4QK2/7k/8/8/8/8/6q1/8 w - - 0 1
4QK2/7k/8/8/8/2q5/8/8 w - - 0 1
4QK2/7k/8/8/8/6q1/8/8 w - - 0 1
4QK2/7k/8/8/3q4/8/8/8 w - - 0 1
4QK2/q6k/8/8/8/8/8/8 w - - 0 1
4QK2/1q5k/8/8/8/8/8/8 w - - 0 1
4QK2/2q4k/8/8/8/8/8/8 w - - 0 1
4QK1k/8/8/8/8/6q1/8/8 w - - 0 1
6K1/8/7k/7q/8/8/8/Q7 w - - 0 1
6K1/8/7k/7q/8/8/8/6Q1 w - - 0 1
6K1/8/7k/7q/8/8/1Q6/8 w - - 0 1
6K1/8/7k/7q/8/8/6Q1/8 w - - 0 1
6K1/8/7k/7q/8/2Q5/8/8 w - - 0 1
6K1/8/7k/7q/8/6Q1/8/8 w - - 0 1
6K1/8/7k/7q/3Q4/8/8/8 w - - 0 1
6K1/Q7/7k/7q/8/8/8/8 w - - 0 1
6K1/1Q6/7k/7q/8/8/8/8 w - - 0 1
6K1/2Q5/7k/7q/8/8/8/8 w - - 0 1
4qk1K/8/8/8/8/6Q1/8/8 w - - 0 1
7K/2Q5/7k/7q/8/8/8/8 w - - 0 1
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- Posts: 12540
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: statistics about mates from tablebases
17,633 exactly reversible mates (IOW, if the side to move changes, it is mate for the other side in the exact same number of moves):
https://drive.google.com/open?id=1FIEo2 ... 9W6bV4suk-
I was going to attach it, but the forum software said it was too big.
Most of these are not tablebase mates.
https://drive.google.com/open?id=1FIEo2 ... 9W6bV4suk-
I was going to attach it, but the forum software said it was too big.
Most of these are not tablebase mates.
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
-
- Posts: 12540
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: statistics about mates from tablebases
This is how I found them:
Code: Select all
select * from Epd a, Epd b
where a.Epd LIKE '% w %'
AND b.Epd LIKE '% b %'
AND LEFT(a.Epd, CHARINDEX(' w ', a.Epd) - 1) = LEFT(b.Epd, CHARINDEX(' b ', b.Epd) - 1)
and a.dm = b.dm
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.