White to play and win (hard)
 ← 
 → 
1.Bxh6‼ Bxh6 2.Ng5+ Kg7 3.Rxf7+ Rxf7 4.Qxh6+ Kg8 ( 4...Kxh6 5.Nxf7+ ) 5.Qh8+! Kxh8 6.Nxf7+ Kg8 7.Nxd8 Rb8 ( 7...Bd7 8.Nb7 ) 8.Rf1 Rxb2 9.Rf2‼ 1-0
[Event "?"]
[Site "Cuba"]
[Date "2004.??.??"]
[Round "?"]
[White "Perez"]
[Black "Veloz"]
[Result "1-0"]
[FEN "r1bq1r2/4npbk/p1pp2pp/2p5/4P2Q/2NP1N2/PPP3PP/R1B2RK1 w - - 0 1"]
[SetUp "1"]

1.Bxh6 $3 Bxh6 2.Ng5+ Kg7 3.Rxf7+ Rxf7 4.Qxh6+ Kg8 ( 4...Kxh6 5.Nxf7+ )
5.Qh8+ $1 Kxh8 6.Nxf7+ Kg8 7.Nxd8 Rb8 ( 7...Bd7 8.Nb7 ) 8.Rf1 Rxb2 9.Rf2 $3
1-0