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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Ke5 draw
4 Ke6 draw
5 Ke7 draw
6 Rb1 draw
7 Rb2 draw
8 Rb4 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Kf5 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kg1 loss in 2 half-moves
16 Kg2 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kg6 loss in 2 half-moves
20 Kg7 loss in 2 half-moves
21 Kh1 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rb7 loss in 2 half-moves