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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 7 half-moves
3 Kf5 draw
4 Kg5 draw
5 Kh5 draw
6 Ra2 draw
7 Rb4 draw
8 Rb5 draw
9 Rb6 draw
10 Rf2 draw
11 Rg2 draw
12 Rh2 draw
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ke8 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Kg3 loss in 2 half-moves
24 Kh3 loss in 2 half-moves
25 Kh4 loss in 2 half-moves
26 Rb1 loss in 2 half-moves
27 Rb3 loss in 2 half-moves
28 Rc2 loss in 2 half-moves
29 Rd2 loss in 2 half-moves
30 Re2 loss in 2 half-moves