[Event "The Problemist"] [Site "?"] [Date "2017.??.??"] [Round "?"] [White "(3) Darko Hlebec (SRB)"] [Black "?"] [Result "1-0"] [SetUp "1"] [FEN "3r4/Kb1pk3/4n3/4Q3/3B4/3n4/5R2/2b5 w - - 0 1"] [PlyCount "13"] [EventDate "2015.??.??"] 1. Qf6+ Kd6 2. Re2 $1 Bg5 (2... Bd5 3. Rxe6+ $1 Bxe6 4. Qxd8 $18) 3. Rxe6+ $1 dxe6 4. Qxg5 Rd7 5. Kb6 $1 (5. Qg3+ $2 e5 $1 $11) 5... Bd5 6. Qe5+ $3 Nxe5 ( 6... Ke7 7. Qg7+ Ke8 8. Qh8+ Kf7 9. Qh7+ Ke8 10. Qxd3 $18) 7. Bc5# {This is first correct example of mate by a single bishop with four active selfblocks.} 1-0