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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Ke5 draw
4 Ke6 draw
5 Ke7 draw
6 Rb3 draw
7 Rb4 draw
8 Rb5 draw
9 Rb8 draw
10 Rc7 draw
11 Rd7 draw
12 Re7 draw
13 Rf7 draw
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kg2 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kh1 loss in 2 half-moves
23 Kh2 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rb2 loss in 2 half-moves
27 Rb6 loss in 2 half-moves