Antichess Solution Explorer

r n b q k b n r . . . p p p p p p . . . . . . . . . . . P . . . . . p . . . . . . . N . . . . . P P . P . P P P R . B Q K . N R
MoveScore# Positions
♕a5#-17Loss12 397
a5#-17Loss2 578
♕c7#-16Loss3 538
♕b6#-16Loss1 168
h5#-15Loss308
d6#-15Loss286
d5#-15Loss286
♘h6#-15Loss265
f6#-14Loss169
f5#-14Loss169
♖a7#-14Loss156
♘f6#-14Loss83
g5#-14Loss59
g6#-14Loss39
h6#-14Loss35
e6#-13Loss45
♗b7#-13Loss19
♘c6#-13Loss13
1. e3 c6 2. e4 b5 3. ♗xb5 cxb5 4. e5 a6 5. c4 bxc4 6. ♘c3
Andryushkov DefenceSteenhuis's Proof
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.
If your language is not supported, you can help with translation. Just drop a message to get a list of words and phrases for translation. We would really appreciate it.

Contact | Suggestions regarding improvements | Feedback: tolius