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there are 3 ways white can mate:
Ne3 g1Q (or e1Q) Rf8#
Nd5 e1Q Rf8+ Qe8 Rxe8#
Rxg2 e1Q Rg8+ Qe8 Rxe8#
The last two take one move more, and therefore are worse?! Oh, come on! THis clearly is a composed chess problem, and if people make a chess problem, they should put more effort in it to make it a good one, instead of fleeing to this easy way out.
Nd4 is not good because black can stop the mate by one move.
Yes, the last two lines are worse because they do not solve the problem, which says 'Mate in 2'. If it had said 'White to play and win' the number of moves wouldn't matter. This is how chess problems work.
This puzzel is nice and simple! The white knight is the key!
Because the problem isn't trying to make sure you can win a game that ends up in this exact position. The problem is trying to help you see the pattern of cutting off potential blockers before you rush to give check/checkmate. Perhaps in a real game, e8 would be hit twice and so you would need to block it with the Knight, and not just play Rxg2.
Why not Nd4?
why not Nd4? easy puzzle anyway
READ THE THREAD YOU'RE POSTING IN!!!
Error with the problem setter, should have been announced as White to move and mate in two.
nice and easy
no comment x.x
i had trouble seeing why ne3 was better than nd4- both allow mate but ne3 allows the e2 pawn to promote, then when rf1+, black can block for 1 move with Qe8. It's still mate of course.
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