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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Ke6 draw
4 Kf6 draw
5 Kg6 draw
6 Rd2 draw
7 Re2 draw
8 Rf2 draw
9 Rg3 draw
10 Rg4 draw
11 Rg5 draw
12 Rg6 draw
13 Rh2 draw
14 Ka7 loss in 2 half-moves
15 Ka8 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ke8 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Kg7 loss in 2 half-moves
23 Kg8 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rg1 loss in 2 half-moves