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g7
1.g7 and try to gobble unfortunate black R. Win R vs 2P ending.
Why is there posting problem?
It may just be me, but a Troitzky puzzle usually requires more than “1.g7 white wins”. Bhat is right, but how does white go about taking d8 away from the black rook?
I think we are at the old ways again,publishing correct or near correct comments at the end. That would be good giving opportunity to all. When my solution did not appear I thought there is posting problem.
Yancey is right, Troitzky was a genius and some of his puzzles are real classics.
1. g7 looks natural indeed, there are only 2 ways to stop the pawn: Bf7 and Kf7
1… Kf7 seems easy: 2. Rg1 is enough to promote, more elegant 2. g8Q Kxg8 3. Nf6+ and 4. Nxd5 also wins.
1… Bf7 is much trickier, 2. Ng5+ Kf6 3. Nxf7 Kxf7 4. Ra7+ Kg8 5. Ra8+! Kxg7 and
Kc6! is the fantastic ending. Rook trapped in the middle of the empty board.
Brilliant! (Am I missing something in the middle?)
Nope, nothing missed.
In the line 1… Bf7 , 3…. Kxg7 also does not help. Immediate 4.Kc6 follows.
The blog is not accepting my solution.
My truncated solution. 1.g7 Kf7 2.Rg1 Rb5+ 3.Kc7 Kg8 4.Nf6+ Kf7 5.g8=Q+ Kxf6 6.Rf1+ Ke7 7.Qf8+ Ke6 8.Qd6#
Congratulations to whanasz
Complete source:
Troitzky,A, 500 Endspielstudien #199, 1924. (version of a former study published in Novoye Vremja, 1895)