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EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Kf2 draw
3 Kfg4 draw
4 Kg2 draw
5 Kg3 draw
6 Kg6 draw
7 Kgg4 draw
8 Kh4 draw
9 Kh5 draw
10 Kh6 draw
11 Ra8 draw
12 Rb1 draw
13 Rf8 draw
14 Rg8 draw
15 Ke2 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kff4 loss in 2 half-moves
21 Kgf4 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 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
28 Rc8 loss in 2 half-moves
29 Rd8 loss in 2 half-moves
30 Re8 loss in 2 half-moves