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EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Kd7 draw
3 Ke7 draw
4 Kf7 draw
5 Ra4 draw
6 Ra5 draw
7 Ra7 draw
8 Ra8 draw
9 Rb1 draw
10 Rd1 draw
11 Re1 draw
12 Rf1 draw
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kh4 loss in 2 half-moves
22 Kh6 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves