White to play and win (medium)
 ← 
 → 
1.Re1+ ( 1.Re3+? Kf7 2.Rf1+ Kg6 3.Rg3+ Kh5 4.Rh1+ Rh2 5.Rh3+ Rxh3 6.Rxh3+ Kg4= ) 1...Kf7 2.Rf3+ Kg6 3.Rg1+ Rg2 4.Rg3+ Rxg3 5.Rxg3+ Kf5 6.Kxa2 1-0
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "1-0"]
[FEN "4k3/8/8/8/8/3R4/r1r5/1K1R4 w - - 0 1"]
[SetUp "1"]

1.Re1+ ( 1.Re3+ $2 Kf7 2.Rf1+ Kg6 3.Rg3+ Kh5 4.Rh1+ Rh2 5.Rh3+ Rxh3 6.Rxh3+ Kg4 $10 )  1...Kf7 2.Rf3+ Kg6 3.Rg1+ Rg2 4.Rg3+ Rxg3 5.Rxg3+ Kf5 6.Kxa2 1-0