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EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc2 draw
5 Kc6 draw
6 Kc8 draw
7 Ke1 draw
8 Ke2 draw
9 Ra2 draw
10 Rb4 draw
11 Rb7 draw
12 Rc2 draw
13 Kc1 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb8 loss in 2 half-moves