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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rg6 win in 3 half-moves
3 Kh1 draw
4 Kh2 draw
5 Ra6 draw
6 Rb1 draw
7 Rb2 draw
8 Rb3 draw
9 Rb8 draw
10 Re6 draw
11 Rh6 draw
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Kg5 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rc6 loss in 2 half-moves
27 Rd6 loss in 2 half-moves