Barring blunders on the defending side is there a way to reliably force mate with king and rook against king and bishop? Ended up facing king and bishop and accepting a draw after my opponent kept using the bishop to keep my king out of the squares I needed him in.
I strongly advise playing on even if you don`t know how to make progress you will most likely win accidentally unless you are psychologically resigned to not trying to win in the first place.
If the defending king makes it to a corner not covered by the bishop, the draw is simple, as there is nothing the rook can do. Barring an unusual condition, the draw is relatively easy.
Originally posted by National Master Dale It depends on the location of the pieces.
I strongly advise playing on even if you don`t know how to make progress you will most likely win accidentally unless you are psychologically resigned to not trying to win in the first place.
Open board, I could block the king against a wall easily enough but couldn't get my king into position to drop the rook and complete the mate.
Cover your mates again... It'll solve the vision issue here. You'll notice that if the
defending king is not resigned to move his king in the K+R mate, you cannot deliver mate.
Unless the situation is aided by pawns or other pieces, and its not #2, or immediately
winning the Bishop as material - a draw is certain in correct play.
Originally posted by Nowakowski Cover your mates again... It'll solve the vision issue here. You'll notice that if the
defending king is not resigned to move his king in the K+R mate, you cannot deliver mate.
Unless the situation is aided by pawns or other pieces, and its not #2, or immediately
winning the Bishop as material - a draw is certain in correct play.
-GIN
not quite accurate although I think what you meant was correct. Remember the bishop cuts off a flight square as well
I thought this would be of passing interest. In my database of 3.4 million games, there are 572 examples of pure rook vs bishop endings. 73% (414 games) were draws, with the other 27% (obviously) were decisive- I assume the guy with the rook won.
GM Ian Rogers calls it a draw- "easy, if the defending king runs to the correct corner.
He adds: "If the white king runs to a corner not covered by the bishop, there's nothing the rook can do. It is worth playing on with the rook, but only until your opponent's king is at the right corner."
"In the general case (pieces arbitrarily placed) this is a draw. It can be won by force only if the black king is in the 'wrong' corner or in the center with his opponent having the opposition."
22 Apr '10 18:25
king and rook vs king and bishop
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