Antichess Solution Explorer

r n b . k b n r p p . p p p p p . . p . . . . . . . . . . . . . . . . . . . . . . . N . . . . . P B P P . P P P R . . Q K . N R
MoveScore# Positions
g5#-19Loss3 481
g6#-17Loss7 600
f6#-16Loss2 099
c5#-15Loss712
b5#-14Loss34
h5#-13Loss36
a6#-13Loss20
d5#-13Loss20
e5#-13Loss17
b6#-13Loss15
♘f6#-13Loss12
♔d8#-13Loss12
♘a6#-13Loss12
e6#-13Loss12
d6#-13Loss12
a5#-13Loss12
♘h6#-12Loss11
h6#-12Loss11
f5#-12Loss11
1. e3 c6 2. e4 ♕c7 3. e5 ♕xe5 4. ♗b5 ♕xb5 5. ♘c3 ♕xb2 6. ♗xb2
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