Antichess Solution Explorer

Antichess Solution Explorer Antichess Opening Explorer Watkins's Longest Games
2021 Openings: ChangeOpening 2021 Openings: Kex 2021 Openings: TUGR 2020 Openings: PepsiNGaming 2020 Openings: GrohochetGrom 2020 Openings: Flo
Lichess Antichess Ratings
aabbccddeeffgghh1122334455667788
MoveScore# Positions
#7952 288 096 +++
?334 604 +++
g3
?
?
?
29 127 +++
b3
?
?
a4
?
?
g4
?
?
#−120?
23 043 +++
#−76123 571 +++
#−75574 291 +++
#−453 770 281
#−424 783 488
#−378 148 763
#−25661 310
#−25181 626
#−2566 017
#−22105 062
#−17129
#−16172
#−1645

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Open on Lichess Open Watkins's Open Nilatac's

Links

  • Wikipedia
  • Rules
  • The Ultimate Guide to Antichess
  • Watkins's solution
  • Nilatac's opening book
  • Watkins's solution browser
  • Course: Road to 2000+
  • Anti-bot
  • Puzzles

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. 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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