It is black turn to move. What is the least number of moves for black to checkmate the white king? Assume that both sides play optimally.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
Mate in 3. 1. Ng3+, Kg1 2. Kxh3+, gxh3 3. Qh1# OR The knight does check on g3, and then the king can only move onto g1. Then, black sacrifices one of his/her knights on h3, and white has no choice but to take the knight. That allows black to put his/her queen on h1 for checkmate.