White to play and win (hard)
 ← 
 → 
1.Rd2+ Ke7 2.Rd6‼ Rc3 ( 2...Kxd6 3.Kc8 Rc3+ 4.Kd8 ) 3.Rc6‼ Rd3 ( 3...Rxc6 4.Ka7 ) 4.Rc1! Kd7 ( 4...Ra3 5.Kc7 ) 5.Ra1 Kc6 6.Ka7 Rd7 7.Ka6 { 7...Rxb7 8.Rc1+ } 1-0
[Event "?"]
[Site "?"]
[Date "??.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "1-0"]
[FEN "1K6/1P1k4/1P6/8/8/r7/6R1/8 w - - 0 1"]
[SetUp "1"]

1.Rd2+ Ke7 2.Rd6 $3 Rc3 ( 2...Kxd6 3.Kc8 Rc3+ 4.Kd8 )  3.Rc6 $3 Rd3 ( 3...Rxc6 4.Ka7 )  4.Rc1 $1 Kd7 ( 4...Ra3 5.Kc7 )  5.Ra1 Kc6 6.Ka7 Rd7 7.Ka6 { 7...Rxb7 8.Rc1+ } 1-0