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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb7 win in 9 half-moves
3 Kb7 draw
4 Kb8 draw
5 Kcc8 draw
6 Kcd8 draw
7 Kdc8 draw
8 Kdd8 draw
9 Ke7 draw
10 Ke8 draw
11 Ra1 draw
12 Rb2 draw
13 Rh1 draw
14 Kb6 loss in 2 half-moves
15 Kcc6 loss in 2 half-moves
16 Kcd6 loss in 2 half-moves
17 Kdc6 loss in 2 half-moves
18 Kdd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rc1 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