Chess tactic

Endgame Puzzle (909)

After the setup move Rxf2, it is Black to move. Find the forcing continuation before checking the solution.

Position after Rxf2. Black to move.

Puzzle ID

0Hmnr

Rating

909

Side to move

Black

Themes

Endgame, Mate, Mate in 2

Material

White is ahead by 7 points

FEN

4r1k1/p1p2ppp/8/3B1r2/2P3Q1/1P6/P4RPP/6K1 b - - 0 22

What to look for

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

22... Re1+ 23. Rf1 23... Rexf1#

The full forcing line from the source position is:

22. Rxf2 22... Re1+ 23. Rf1 23... Rexf1#