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Helpstalemate in 2.5 moves

Helpstalemate in 2.5 moves

Posers and Puzzles

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White to play. Black and White cooperate. White's 3rd move stalemates Black.
The problem has 4 solutions.

1 edit
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i think this is one (corner, with knght):
c8(N) Rd7+
Kxd7 Ka8
Kc7

2 edits
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another (corner, with rook):
c8(R) Rc7
Rxc7+ Ka8
Kc8

and (i like this one best!):
Ke8 Ka7
c8(Q) Rc7
Kxc7

edit: can't figure out the last one

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c8Q+ Ka7
Qc6 Rc7
Kxc7

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Try this one: Black to play and what would you play?


Quite a good puzzle.

1 edit
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oops, my last solution was flawed.. ian's is the correct version

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Originally posted by pootstick
edit: can't figure out the last one
Well, we have rook, knight and queen so
1.c8B+ Ka7 2.Bb7 Rc7 3.Kxc7

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I'll try...
1. c8Q+ Ka7
2. Qc6 Rc7
3. Kxc7

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Didn't realise ilywrin was posting a similar solution at the same time...

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I know this is a miniature and AUW (probably the economy record for AUW), but I really don't like the repeated move 1.Rc7 in three different solutions. 😕