Endgame Challenge

Can you find the winning thread? A full solution is 9 moves deep on this one. White to move.

r7/2PK2P1/8/1n5k/8/6b1/6P1/8 w - - 0 1

Comments
No. 1-10
Yancey_Ward
Yancey_Ward

Editor

I will just say that like most modern puzzles, getting the position down to a winning position that can be verified by the tablebases is all the puzzle composer requires for a solution. The solution Krug gives ends basically at move 9 in Umeshn's line, but of course with 1. c8N as the start.

Yancey_Ward
Yancey_Ward

Editor

I would say that for me, I would have an easier time winning Q+N+P vs R+B+N than the ending Alena finds Q+P vs B+N. The addition of a knight to the queen is quite a bit more power than trading that knight for the black rook- the queen is major power enhancer to any piece and vice versa.

umeshpn
umeshpn

Q+N+P against R+N+B ending!

umeshpn
umeshpn

Now, 1. c8=N will prevent 1... Ra7+, and 1... Rxc8 will proceed as above. But Does Black have much choice? How can he prevent 2. g8=Q?

umeshpn
umeshpn

Wow, 1. c8=Q Ra7+ draws!

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