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EGTB: win in 38 half-moves

# move score
1 Kb7 win in 37 half-moves
2 Ra8 draw
3 Rb1 draw
4 Rb2 draw
5 Kc7 loss in 2 half-moves
6 Kcd7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ked7 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves