Chess tactic

Endgame Puzzle (1581)

After the setup move Rg1, it is Black to move. Find the forcing continuation before checking the solution.

Position after Rg1. Black to move.

Puzzle ID

0iCzp

Rating

1581

Side to move

Black

Themes

Endgame, Mate, Mate in 3

Material

White is ahead by 2 points

FEN

5rk1/p5r1/3R3Q/1p5p/8/2P5/PP3qPP/6RK b - - 4 27

What to look for

A tactic from a reduced-material position where king activity and promotion threats matter.

27... Qxg2+ 28. Rxg2 28... Rf1+ 29. Rg1 29... Rfxg1#

The full forcing line from the source position is:

27. Rg1 27... Qxg2+ 28. Rxg2 28... Rf1+ 29. Rg1 29... Rfxg1#