The Mirror of Erised

Wizard's Chess

Answer: MAYHEM

Although some of these chess puzzles have multiple solutions, there is only one solution for each that allows the rest to be solved as well. One needs to keep track of all the winning side's moves and read their final locations on the final board, which spells out the answer. The correct moves are:

First board:
1. Rf8+ Rd8
2. Rxd8#

Second board:
1. ... Rd2#

Third board:
1. Nxg7#

Fourth board:
1. ... Bc3#

Fifth board:
1. ... Nc2#

Sixth board:
1. ... Rxg3#

Seventh board:
1. gxf4#

Eighth board:
1. ... Bxe3#

Ninth board:
1. e4+ Kc6
2. Ba4#

Tenth board:
1. ... c1 = N+
2. Kf3 g4#

Eleventh board:
1. Qxc7#

Twelfth board:
1. Na7#