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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kd6 draw
3 Kd7 draw
4 Ke7 draw
5 Kf6 draw
6 Kf7 draw
7 Kg7 draw
8 Kg8 draw
9 Kh7 draw
10 Ra8 draw
11 Rb1 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Re8 draw
16 Rf8 draw
17 Kd5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves