Antichess Solution Explorer

. n b q k b n r . p p p p p p p . . . . . . . . . . . . . . . . . p . . . . . . . . . B P . . . R . P P . P P P . N B Q K . N R
MoveScore# Positions
♘f6#-22Loss261 553
f5#-21Loss50 592
b3#-21Loss45 745
♘a6#-21Loss18 462
♘c6#-19Loss3 756
g6#-17Loss5 042
b6#-17Loss3 230
b5#-17Loss2 223
h6#-17Loss922
c6#-16Loss1 145
g5#-16Loss776
h5#-15Loss851
f6#-15Loss476
♘h6#-15Loss425
e6#-15Loss132
c5#-15Loss130
e5#-15Loss85
d6#-14Loss86
d5#-14Loss33
1. e3 a5 2. b4 axb4 3. ♗d3 ♖xa2 4. ♖xa2
Marmaliser Defence
Open on Lichess

The site features solutions for some antichess openings, providing a path that White or Black can follow so as to defeat any defense. The solutions will be gradually updated and supplemented.

The solutions of Mark Watkins, Klaas Steenhuis, and Cătălin Frâncu were partially used. Pierre Caetano's suggestions regarding reducing the maximum winning length are included in 1.f4, 1.♘c3, 1.e3 f6, and 1.e3 b5 lines. Credit to Vladica Andrejić for most of the opening names and their proof status. Pedro Re's suggestions regarding reducing the maximum winning length are included in 1.a3, 1.h3, 1.c3, 1.b4, 1.♘c3, 1.h4, 1.f4, 1.♘f3, 1.c4 ♘h6, 1.c4 b5, 1.e3 c6, 1.e3 b5 2.♗xb5 ♗a6, 1.e3 c5, and 1.e3 b5. Yabba's suggestions are included in 1.h3, 1.e3 g5, 1.e3 ♘c6, 1.e3 c5 2.♗b5 e6/a5/b6/♕c7/♕a5/Nh6, and 1.e3 b5 2.♗xb5 e6 3.♗xd7 ♗xd7 4.♘h3 ♘e7. Awkwardmammal's suggestions are included in 1.e3 b6, 1.e3 g5, and 1.e3 a5. Thanks to ChessDemon989 for his help with comprehension of the technical aspects of Watkins solutions and the factoradic in the context of its application to endgame tablebases.
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