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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Ra2 draw
4 Rb2 draw
5 Rc2 draw
6 Rd2 draw
7 Rg3 draw
8 Rg4 draw
9 Rg6 draw
10 Rg7 draw
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kcc6 loss in 2 half-moves
17 Kcd7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Kdc6 loss in 2 half-moves
21 Kdd7 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Ke6 loss in 2 half-moves
24 Ke7 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh2 loss in 2 half-moves