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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rg7 win in 5 half-moves
3 Ke8 draw
4 Kf8 draw
5 Kg8 draw
6 Ra1 draw
7 Rb1 draw
8 Rc1 draw
9 Rg5 draw
10 Rg8 draw
11 Rh1 draw
12 Ka4 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Kg6 loss in 2 half-moves
24 Kg7 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 Rg2 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rg4 loss in 2 half-moves