White to play and win (hard)
 ← 
 → 
1.R1xf5! gxf5 2.Qh5! fxe4 3.Rxh6+ Kg8 ( 3...Bxh6 4.Qxh6+ Kg8 5.e6+− ) 4.Qg6‼ 1-0
[Event "Linz"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Glek, I."]
[Black "Lanka, Z."]
[Result "1-0"]
[FEN "1r2qr1k/5pb1/5Rpp/1np1Pn2/2B1N3/6B1/1PP3PP/3Q1RK1 w - - 0 1"]
[SetUp "1"]

1.R1xf5 $1 gxf5 2.Qh5 $1 fxe4 3.Rxh6+ Kg8 ( 3...Bxh6 4.Qxh6+ Kg8 5.e6 $18 )
4.Qg6 $3 1-0