[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Black to play and mate in 4"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "8/3r1pk1/1Q4pp/1pp2q2/2Bn1Pb1/2P5/PP1R2PP/2KR4 b - - 0 1"] [PlyCount "7"] [EventDate "1988.06.??"] [EventType "tourn"] [EventRounds "15"] [EventCategory "15"] [SourceVersionDate "2020.04.01"] {[#]} 1... Qc2+ $1 2. Rxc2 Nb3+ 3. Kb1 (3. Bxb3 Rxd1#) 3... Rxd1+ 4. Rc1 Rxc1# *