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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Kh2 draw
4 Kh3 draw
5 Kh4 draw
6 Ra1 draw
7 Ra6 draw
8 Ra7 draw
9 Ra8 draw
10 Rd4 draw
11 Re4 draw
12 Rh4 draw
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Kg6 loss in 2 half-moves
24 Kg7 loss in 2 half-moves
25 Kg8 loss in 2 half-moves
26 Ra2 loss in 2 half-moves
27 Ra3 loss in 2 half-moves
28 Ra5 loss in 2 half-moves
29 Rb4 loss in 2 half-moves
30 Rc4 loss in 2 half-moves