White to play and win (medium)
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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