It’s a win for black.
It’s obvious that white will give the rook for the black pawn. All you need to know is how to win K + R against K + P endgame. Therefore there is the only winning move.
1…Rc4
2. Re8 Ka3
3. Re3 Ka2
4. Kg3 b2
5. Re1 b1=Q
6. Rxb1 Kxb1
7. Kh4 Kc2
8. Kg5 Kd3
9. Kf5 Rc5+
10. Kf4 Kd4
11. g5 Rc1
12. Kf5 Kd5
13. Kf6 Kd6
14. Kf5 Ke7
15. g6 Kf8
16. Ke5 Kg7
17. Ke4 Rg1
18. Kd5 Rxg6
5. Re1
Expand ch.
1. Rxc7+ Kxc7 (Kb8 2. Rb7+ Ka8 3. Nb6#)
2. Be5+ Kc8
3. Nb6#
Wasn’t this just posted within the past month or so?
It was, though maybe not in the last month, but in the last 2 or 3 surely.
Puzzle for Alena:
R7/8/8/8/6P1/1p3K2/1kr5/8 b – – 0 1 Black to move, of course. Win, lose or draw for black?
It’s a win for black.
It’s obvious that white will give the rook for the black pawn. All you need to know is how to win K + R against K + P endgame. Therefore there is the only winning move.
1…Rc4
2. Re8 Ka3
3. Re3 Ka2
4. Kg3 b2
5. Re1 b1=Q
6. Rxb1 Kxb1
7. Kh4 Kc2
8. Kg5 Kd3
9. Kf5 Rc5+
10. Kf4 Kd4
11. g5 Rc1
12. Kf5 Kd5
13. Kf6 Kd6
14. Kf5 Ke7
15. g6 Kf8
16. Ke5 Kg7
17. Ke4 Rg1
18. Kd5 Rxg6
5. Re1