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EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 K4g5 draw
3 K4h5 draw
4 K6g5 draw
5 K6h5 draw
6 Kf7 draw
7 Kg7 draw
8 Kh3 draw
9 Kh4 draw
10 Kh6 draw
11 Kh7 draw
12 Ra8 draw
13 Rb2 draw
14 Rb6 draw
15 Rb7 draw
16 Rg8 draw
17 K4f5 loss in 2 half-moves
18 K6f5 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Rc8 loss in 2 half-moves
28 Rd8 loss in 2 half-moves
29 Re8 loss in 2 half-moves
30 Rf8 loss in 2 half-moves