Chess tactic

Endgame Puzzle (2051)

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

Position after Rg1. White to move.

Puzzle ID

0HrU6

Rating

2051

Side to move

White

Themes

Endgame, Mate, Mate in 2

Material

Black is ahead by 2 points

FEN

8/1pR5/3p1Npk/4p2p/4P3/1P3PK1/r5PP/6r1 w - - 10 38

What to look for

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

38. Ng8+ 38... Kg5 39. h4#

The full forcing line from the source position is:

37... Rg1 38. Ng8+ 38... Kg5 39. h4#