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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kf5 draw
3 Kg5 draw
4 Kh5 draw
5 Ra6 draw
6 Rb6 draw
7 Rc6 draw
8 Re6 draw
9 Rf2 draw
10 Rf3 draw
11 Rf4 draw
12 Rf5 draw
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kd1 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Kg3 loss in 2 half-moves
24 Kh3 loss in 2 half-moves
25 Kh4 loss in 2 half-moves
26 Rd6 loss in 2 half-moves
27 Rf7 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rh6 loss in 2 half-moves