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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ke5 draw
3 Kf5 draw
4 Kg5 draw
5 Rc2 draw
6 Rd2 draw
7 Re2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Rg8 draw
13 Rh2 draw
14 Ka6 loss in 2 half-moves
15 Ka7 loss in 2 half-moves
16 Ka8 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Kc8 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Kf3 loss in 2 half-moves
25 Kg3 loss in 2 half-moves
26 Kg4 loss in 2 half-moves
27 Ra2 loss in 2 half-moves
28 Rb2 loss in 2 half-moves
29 Rf2 loss in 2 half-moves
30 Rg1 loss in 2 half-moves