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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Rh3 win in 3 half-moves
3 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Rd3 draw
8 Re3 draw
9 Rg3 draw
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kfg6 loss in 2 half-moves
16 Kfg7 loss in 2 half-moves
17 Kfg8 loss in 2 half-moves
18 Kh6 loss in 2 half-moves
19 Kh8 loss in 2 half-moves
20 Khg6 loss in 2 half-moves
21 Khg7 loss in 2 half-moves
22 Khg8 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Rb3 loss in 2 half-moves
27 Rc3 loss in 2 half-moves