Chess Fact 25 ‘Immortal’ is also used for chess problem. One of them was composed in 1856 by Konrad Bayer (1828-17.10.1897). A prize winner by Konrad Bayer, where White, after having sacrificed 6 men, mates with the only remaining piece, a Pawn. [Event "The Era Tourney"] [Site "?"] [Date "1856.??.??"] [Round "?"] [White "Konrad Breyer"] [Black "mate in 9 moves"] [Result "*"] [SetUp "1"] [FEN "3Q4/5q1k/4ppp1/2Kp1N1B/RR6/3P1r2/4nP1b/3b4 w - - 0 1"] [PlyCount "17"] 1. Rb7 Qxb7 2. Bxg6+ Kxg6 3. Qg8+ Kxf5 4. Qg4+ Ke5 5. Qh5+ Rf5 6. f4+ Bxf4 7. Qxe2+ Bxe2 8. Re4+ dxe4 9. d4# * You must activate JavaScript to enhance chess game visualization.