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EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Ke7 draw
3 Kef5 draw
4 Kef6 draw
5 Kef7 draw
6 Kg7 draw
7 Kgf5 draw
8 Kgf6 draw
9 Kgf7 draw
10 Kh5 draw
11 Kh6 draw
12 Kh7 draw
13 Rc1 draw
14 Rc2 draw
15 Rc3 draw
16 Rc4 draw
17 Rd8 draw
18 Re8 draw
19 Rf8 draw
20 Rg8 draw
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Kd7 loss in 2 half-moves
24 Ke5 loss in 2 half-moves
25 Kg5 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb8 loss in 2 half-moves
28 Rc5 loss in 2 half-moves
29 Rc6 loss in 2 half-moves
30 Rc7 loss in 2 half-moves