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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ke5 draw
3 Ke6 draw
4 Kf6 draw
5 Kg5 draw
6 Kg6 draw
7 Kh1 draw
8 Kh2 draw
9 Ra7 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rb8 draw
15 Rf7 draw
16 Rh7 draw
17 Ke4 loss in 2 half-moves
18 Kf1 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re7 loss in 2 half-moves