playstrategy.org

 
 
PlayStrategy is a real-time platform to play two-player Mind Sports board games. Over 30 different games available including Chess, Go, Othello, Mancala, Draughts... on this free and open-source site. About PlayStrategy...
Puzzle of the day - HordeBlack to play

Latest forum posts

More »
  1. Weekly Challenge 154: Prime Win LowestPosWinRate just own PB: 113 plies are prime 11 own captures 11 total pieces on…
  2. Weekly Challenge 154: Prime Win e-pluszak https://playstrategy.org/sWJdQD35vfBY 7 captures, 17 pieces left, 71 …
  3. Weekly Challenge 154: Prime Win statmatt @e-pluszak its total number of pieces on the board at the end of the g…
  4. Weekly Challenge 154: Prime Win LowestPosWinRate If anybody fears to attempt this challenge bc of its reference to math…
  5. [GO] The game not allowing pla… woll Read also: https://playstrategy.org/forum/playstrategy-feedback/bug-a…
  6. Weekly Challenge 154: Prime Win LowestPosWinRate I actually cannot say for sure bc I only proposed closest to a prime n…
  7. [GO] The game not allowing pla… woll If your opponent disagree, capture all his stones. I think when both…
  8. cats or dogs? PersyJackson ONLY DOGS! 🐶 🐾

MSO Grand Prix 2026 starts in February

Puzzles have arrived!

End Of Year News - Diving Chess, Quiz and more!

Reconnecting