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Chess Problems Archive

These are chess problems presented (and solved) by MFOers. As usual with chess diagrams, clicking on a diagram opens Diagram Wizard with the position on the diagram, so you don't need board to solve this problems. Clicking problem number brings you to the post that first presented the puzzle. The answer to the problem is usually in the thread. Be careful going to the topic if you don't want to see the answer yet. Problems that are still unsolved are marked with green lock. Put your mouse pointer on open lock and wait for tooltip to appear to see short version of the solution for problems that are already solved.

171
White to play and win
 
147
White to play and win
 
132
White to play and win
 
172
White to play
 
170
White to play and win
 
169
Black to play
 
168
White to play and win
 
167
White to play
 
166
Black to play
 
165
Black to play
 
164
Black to play
 
163
White to play
 
162
White to play
 
161
White to play
 
160
Black to play
 
159
Black played Rxc6
 
158
White to play and win
 
157
White to play and win
 
156
Mate in 3
 
155
Mate in 2