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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Kc7 draw
3 Kg4 draw
4 Kh4 draw
5 Ra7 draw
6 Rb1 draw
7 Rb2 draw
8 Rb3 draw
9 Rb4 draw
10 Rb5 draw
11 Kc6 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kg6 loss in 2 half-moves
20 Kh6 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb8 loss in 2 half-moves