Chess/Puzzles/Directmates/Fourteen-move 1/Solution

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Note that all of Black's moves are forced.

1.Qe4+ Qb7

2.Qa4+ Kb8

3.Qf4+ Ka8

4.Qf8+ Qb8

5.Qf3+ Qb7

6.Qa3+ Kb8

7.Qg3+ Ka8

8.Qxg8+ Qb8

9.Qg2+ Qb7

10.Qxa2+ Kb8

11.Qh2+ Ka8

12.Qh8+ Qb8

13.Qa1+

If 13... Kb7 then 14. Qa6#

If 13... Qa7 then 14. Qxa7#

a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h
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