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Sorry, second move should read pawn x e3

Actually, I think the black queen will move to a1 in response to b-c4, as that defends the key pawn on d4
Not sure what happens next yet

  1. Bc4 Qa1
    and black wins! :)

This one is tough!!

So now I am thinking:

Qxa6, Bxa6
Knight-g7 to pressure the rook - if he moves off column e then I win with rook-e7.
But now my queen has gone the black king can escape down to d3

Is this the right track?

  1. Qxa6 Bxa6
  2. Ng7 Bxf2 (followed by Be2+)
    and - unfortunately - black wins again! :)

Ok, this is four moves, but it assumes that the black queen falls for the white queen sacrifice:

R-e7, Qxd3,
Knight xf4 check, Rxe7
Kxg6 check, k-e4
Pawn-f3 checkmate

Need to look at what else black can do to defend

If the black queen instead takes the bishop on a2 that doesn't help:

Rxe7, Qxa2
Kxg5, Rxc7
Q-e4 checkmate

But if the black rook simply takes mine on e7, then I am back to square one, but down a rook

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