if QxN, then Rd6 to f6, white Q moves (without taking the rook at f6), then QF3 check white, ....Re8 x e3 follows.....

hmm don't quite understand it..

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I did it.

hmmmmmmmmmmmm...

y not qxf2

But the possition after 2.Qxf2 is still better than the one in the puzzle:

nice one

zzz

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 but white has a knight

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After 5. Qf1 not 5. ... Qg3+ , better move is 5. ... Qe4. The Rf6 attacks the Qf1 and after 6. Qg2 follows Rf3 with the threat 7. ... Rxg3. How will white prevent this?

Not so easy

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if Qxf2, then (variation #1 #2 #3)

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You're right speedfile- it will be prevented only if 6.Qxf6 (exchanging queen with rook) and even then white's Rc2 would be impossible (as in the puzzle), so the puzzle version is indeed better than mine.

etarnal- in my version white and black end with the same material, but 3 pawns in a chain are better than a knight and can be stopped with minimum 2 sacrifices.

I dont see how black wins when white play Rc3 (idea: Rf3, e4) instead of Rc2. Better to play more seriously.

JCE77 (comment #42): that is why 4.Kg1 is better than 4.Kh2 (comparing with our versions). But the best version for white is the version of the puzzle.

I have a lot of questions on this one. First of all, R c3 significantly prolongs white's loss, leaving a knight against a rook and 3 pawns. But even more optimistically, what about 3. ... Qf3 Kg1 4. Re3 Qf1 5. Qg3 Qg2  ?? I see no attack following this. (I see someone has already pointed this out.) Also, in the puzzle itself, what happens if white play Rh2 after the last black's move?

it is not complete

its a bad one white can take knight with queen wtf?

1st