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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 K6d6 draw
3 K6d7 draw
4 K6f6 draw
5 K6f7 draw
6 K7d6 draw
7 K7d7 draw
8 K7f6 draw
9 K7f7 draw
10 Kd8 draw
11 Ke8 draw
12 Kf8 draw
13 Ra1 draw
14 Rb6 draw
15 Rb7 draw
16 Rc1 draw
17 Rh1 draw
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves
28 Rg1 loss in 2 half-moves