[White "Black to play and win"]   [Black "    Cebalo - Inkiov, Rome, 1985   "]   [Result "0-1"]   [FEN "4r1k1/7p/2p3p1/1q1p4/p1nPrBP1/PpRQP3/1P3P2/1K1R4 w - - 0 1"]   {The exchange sacrifice does the trick:}   1 ... Rxf4! 2 exf4 Re2!!   {If}  3 Qxe2 Nxa3  {wins, and if} ( 3 Rxc4 Qxc4  {is also enough.})