Mate in 2 Moves, Black to Play | Chess Puzzle #297
What is the hardest mate-in-2 puzzle? - Quora
Chess Puzzles - Mate in 2
International Chess Federation on X: "White to move and mate in two. 🧩 This problem composed by John Griswold White was published in "Canadian Illustrated News" in 1879. John G. White (1845-1928)