[Event "?"]  [Site "?"]  [Date "????.??.??"]  [Round "?"]  [White "B. Pavcevic- R.Ognjan"]  [Black "Black to play and win"]  [Result "0-1"]  [SetUp "1"]  [FEN "4r1k1/5ppp/Q1p5/3nq3/N7/Pr4Pb/1P2BP1P/2R1R1K1 b - - 0 1"]  [PlyCount "7"]   1... Re3 2. fxe3   (2. Nc3 Nxc3 3. bxc3 Rxe2 4. Rxe2 Qxe2)   (2. f3 Nf4 3. gxf4Qxf4 4. Bf1   (4. Rc4 Qg5+ 5. Rg4 Bxg4 6. fxg4 Qh4) 4... Qxf3 5. Bxh3 Qxh3 6. Qf1  Qg4+ 7. Kh1 Qe4+) 2... Qxe3+ 3. Kh1 Qe4+ 4. Kg1 Qg2# *