KQPvk

h#7

6Qk/8/8/8/8/8/4P3/2K5 b - - 0 1

1. Kxg8 e3 Kf7 e4 Ke6 e5 Kd5 e6 Kc4 e7 Kb3 e8=Q Ka2 Qa4#

pure model ideal mirror promotion excelsior excelsior:white single-piece single-piece:white single-piece:black phoenix nocheck umnov

Note: the side to move is in check in the diagram; the solution begins with a capture.

h#7

8/8/8/K7/8/8/3P3Q/7k b - - 0 1

1. Kxh2 d4 Kg3 d5 Kf4 d6 Ke5 d7 Kd6 Kb5 Kc7 Ka6 Kb8 d8=Q#

pure model ideal mirror promotion excelsior excelsior:white single-piece single-piece:black phoenix nocheck umnov

Note: the side to move is in check in the diagram; the solution begins with a capture.

h#7

2K5/8/8/8/8/8/3P4/6Qk b - - 0 1

1. Kxg1 d3 Kf2 d4 Ke3 d5 Kd4 d6 Kc5 d7 Kb6 d8=Q+ Ka7 Qa5#

pure model ideal mirror promotion excelsior excelsior:white single-piece single-piece:white single-piece:black phoenix umnov

Note: the side to move is in check in the diagram; the solution begins with a capture.

h#4

8/5Q2/8/6k1/4P3/8/8/K7 b - - 0 1

Two solutions, with different first and last moves (2 starts, 2 ends).

1. Kg4 Qa2 Kf3 Kb2 Ke2 Kc3+ Kd1 Qd2#
2. Kh6 Qh5+ Kg7 e5 Kg8 e6 Kf8 Qf7#

set-play pure model switchback single-piece single-piece:black nocapture

h#4

8/4k3/8/8/3Q4/8/P7/2K5 b - - 0 1

Two solutions, with different first and last moves (2 starts, 2 ends).

1. Ke6 Qb6+ Kd5 Kd2 Kc4 Ke3 Kc3 Qb3#
2. Kf7 Kd2 Kg6 Ke3 Kh5 Kf4 Kh4 Qh8#

pure model mirror single-piece single-piece:black nocapture

h#4

4k3/8/8/3Q4/8/P7/2K5/8 b - - 0 1

Two solutions, with different first and last moves (2 starts, 2 ends).

1. Ke7 Qb7+ Kd6 Kd3 Kc5 Ke4 Kc4 Qb4#
2. Kf8 Kd3 Kg7 Ke4 Kh6 Kf5 Kh5 Qh1#

pure model mirror single-piece single-piece:black nocapture