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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ra2 win in 7 half-moves
3 Rc2 draw
4 Rd2 draw
5 Re2 draw
6 Rf2 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 Ka1 loss in 2 half-moves
12 Ka2 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Kd5 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh2 loss in 2 half-moves