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EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Ke6 draw
4 Ke7 draw
5 Kff7 draw
6 Kfg7 draw
7 Kgf7 draw
8 Kgg7 draw
9 Kh5 draw
10 Kh6 draw
11 Kh7 draw
12 Ra1 draw
13 Rb8 draw
14 Rc1 draw
15 Rg1 draw
16 Rh1 draw
17 Ke5 loss in 2 half-moves
18 Kff5 loss in 2 half-moves
19 Kfg5 loss in 2 half-moves
20 Kgf5 loss in 2 half-moves
21 Kgg5 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Re1 loss in 2 half-moves
28 Rf1 loss in 2 half-moves