Mate Puzzle (1692)

After the setup move Kh2, it is Black to move. Find the forcing continuation before checking the solution.

Position after Kh2. Black to move.

Puzzle ID

0ipoR

Rating

1692

Side to move

Black

Themes

Mate, Mate in 2, Middlegame

Material

White is ahead by 1 point

FEN

2kr2r1/2p1qp2/p1p4p/2NpP3/3P1R1P/1QP4b/PP1Nn1PK/R7 b - - 9 19

What to look for

Calculate a forcing checkmate sequence.

19... Rxg2+ 20. Kxh3 20... Nxf4#

The full forcing line from the source position is:

19. Kh2 19... Rxg2+ 20. Kxh3 20... Nxf4#