Self-Mate

 How can Black self-mate here?  What are the two ways he can avoid mate?



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Failure to play e6

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 There were a number of errors in this game, but the first one is the failure of Black on the right board to play e6: Black plays Bxf3, which further weakens f3: Black tries to shore up f7 by playing @f6, not a bad idea: Black on the right board plays Nd6, hanging the d-pawn and allowing an attack of f7.  Maybe Ng5 is better with the idea of going Nd6: This is getting serious.  White takes on f7.  Black does not control e6: White plays B@b3.  When Black interposes, he takes on e5.  This is a mistake because it gives back control of e6.  If White can get a pawn, he should play @e6 instead.  If he does not get a pawn, he can play N@f4: White plays N@f4 now, which is good.  Black plays N@f3+ which is awful: Black plays @g2, another meaningless one move threat.  After Rg1, she plays e6.  So the queen is hanging.  If Nxd5 and exd5 the e6 square is opened again, this is all a result of not defending the square earlier: White plays @e...
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