Antichess Solution Explorer

r n b . k b n r p p . p p p p p . . . . . . . . . p . . . . . . . P . . . . . . . . . . P N . . P . Q P . P P P R N B . K . . R
MoveScore# Positions
g5#-33Loss74 433
h5#-33Loss72 692
♘h6#-20Loss12 306
h6#-20Loss7 864
g6#-19Loss7 626
f5#-19Loss3 572
a6#-17Loss1 482
e6#-15Loss413
♘f6#-15Loss244
e5#-15Loss107
♘c6#-15Loss43
♔d8#-14Loss78
b6#-14Loss77
f6#-14Loss65
d6#-14Loss52
a5#-14Loss50
♘a6#-14Loss45
d5#-13Loss29
1. e3 c6 2. ♗b5 cxb5 3. b4 ♕c7 4. ♘f3 ♕xc2 5. ♕xc2
Andryushkov DefenceFrâncu-Nye 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