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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Ka3 draw
4 Ka4 draw
5 Ka5 draw
6 Ra7 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rg3 draw
11 Rg4 draw
12 Rg5 draw
13 Rg6 draw
14 Kb1 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Kd1 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves