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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Ke1 draw
3 Ke2 draw
4 Kf1 draw
5 Kg1 draw
6 Kg2 draw
7 Kh3 draw
8 Kh5 draw
9 Ra7 draw
10 Rg2 draw
11 Rg3 draw
12 Rg8 draw
13 Rh7 draw
14 Ke3 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kfg3 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Khg3 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves