lichess-org/scalachess

Knight vs Bishop is not a draw

MrGorbunov opened this issue · 1 comments

Playing on Lichess.org, I had an endgame of king & knight vs king & bishop which is a draw by insufficient material. However, it was only deemed a draw after one of the pieces was eaten. Doing some testing the following situations were also not considered draws:

  • knight v knight
  • bishop v bishop (opposite squares)

Note that it can be possible to mate with a single knight or bishop if the opponent has a piece that could block the king.

https://lichess.org/faq#timeout