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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 K5d6 draw
3 K5e6 draw
4 K5f6 draw
5 K7d6 draw
6 K7e6 draw
7 K7f6 draw
8 Kd5 draw
9 Kd7 draw
10 Kd8 draw
11 Ke8 draw
12 Kf8 draw
13 Ra3 draw
14 Rb4 draw
15 Rb5 draw
16 Rb6 draw
17 Rb7 draw
18 Rc3 draw
19 Rg3 draw
20 Rh3 draw
21 Kd4 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Kf4 loss in 2 half-moves
24 Kf5 loss in 2 half-moves
25 Kf7 loss in 2 half-moves
26 Rb1 loss in 2 half-moves
27 Rb2 loss in 2 half-moves
28 Rd3 loss in 2 half-moves
29 Re3 loss in 2 half-moves
30 Rf3 loss in 2 half-moves