If the player with the king and 2 knights fails to checkmate the lone king within 50 moves then the player with the lone king can claim a draw. Checkmate with either 1 bishop or 1 knight and a king against a lone king is IMPOSSIBLE. What CAN be forced is checkmate with a king and a knight and a bishop against a lone king.

Nov 20, 2021 · This is generally a win for White (unless Black's already forked the king and queen, of course.) White's king and queen can force the Black king to the edge of the board, and after that, either the knight is too close to the king to prevent checkmate threats, or too far to be protected by the king and gets forked by the queen.

Apr 29, 2017 · Chess.com appears to use something similar to the USCF rules for this situation; it says "... note that in cases where the opponent has insufficient material to mate (lone King, King + Knight, King + Bishop, King + 2 Knights) a draw will be automatically declared where there is a time-out." So even if the game doesn't immediately end and you've ...

Apr 24, 2015 · The king and the knight will defend each other, and white will not be able to force mate. However, the knight is a clumsy piece. If the knight is not positioned perfectly, then the rook will frequently be able to drive the knight to a bad square and deprive it of moves.

Aug 6, 2020 · Consider this (illegal) checkmate position with king and 2 knights vs king and queen: [fen "kq6/2N5/KN6/8/8/8/8/8 w - - 0 1"] If you remove either knight then the queen can take the other one.

Sep 6, 2020 · It is still possible to lose on time in positions where mate is extremely unlikely but not theoretically impossible, as with king and bishop versus king and knight. (Under USCF rules, king and bishop, king and knight, or king and 2 knights with no pawns on the board is not considered sufficient mating material, unless the opponent has a forced ...

Aug 3, 2021 · King + Knight vs King + Queen. This doesn't work because the queen can always either take the knight or the position is illegal because both kings are in check. Hence checkmate not possible. [fen "KQ6/2n5/k7/8/8/8/8/8 w - - 1 1"] King + Knight vs King + Rook. The rook isn't quite as mobile as the queen so this does work.

Dec 20, 2016 · Force the king to one side of the board so he is stuck on either the a/h file or 1st/8th rank; Use the W manoeuvre to force the king to the corner of your bishop, then use the motif of knight check on (e.g. Na3+ to hit b1) then mate with your king on b3, knight covering b1 and Bishop mates on the long diagonal (e.g. Bg7#).

Jun 11, 2020 · Checkmate is possible with a king, bishop and knight against a bare king, and therefore it would have been a win for white if you timed out before the 50 or 75 move rules came into play. So for instance if the game had gone 72 ... Qxh3 73 Bxg3 and then you timed out within the next 50 moves it would be a win for white.

Dec 12, 2014 · 2) Pinning the knight against the king when the king has to abandon the knight 3) Stalemating the knight and capturing it. With an additional knight these threats can be more generalized because if the knights are exchanged the win is easy and the stronger side can even sacrifice his knight to lure the opposing knight far enough away from the ...