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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Rd6 draw
7 Re6 draw
8 Rg6 draw
9 Rh6 draw
10 K5d6 loss in 2 half-moves
11 K5e6 loss in 2 half-moves
12 K5f6 loss in 2 half-moves
13 K7d6 loss in 2 half-moves
14 K7e6 loss in 2 half-moves
15 K7f6 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke8 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Kf5 loss in 2 half-moves
24 Kf7 loss in 2 half-moves
25 Kf8 loss in 2 half-moves
26 Ra5 loss in 2 half-moves
27 Ra7 loss in 2 half-moves
28 Ra8 loss in 2 half-moves
29 Rb6 loss in 2 half-moves
30 Rc6 loss in 2 half-moves