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EGTB: win in 50 half-moves

# move score
1 Ra8 win in 49 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kd5 draw
5 Ra1 draw
6 Ra2 draw
7 Ra6 draw
8 Ra7 draw
9 Rf5 draw
10 Rg5 draw
11 Rh5 draw
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Kh8 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Re5 loss in 2 half-moves