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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Kf5 draw
4 Kg5 draw
5 Kh5 draw
6 Ra1 draw
7 Rf5 draw
8 Rf7 draw
9 Rg1 draw
10 Rh1 draw
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kh6 loss in 2 half-moves
23 Kh7 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Re1 loss in 2 half-moves
28 Rf2 loss in 2 half-moves
29 Rf3 loss in 2 half-moves
30 Rf4 loss in 2 half-moves