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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Kd6 draw
3 Kd7 draw
4 Ke8 draw
5 Kee7 draw
6 Kef7 draw
7 Kf6 draw
8 Kfe7 draw
9 Kff7 draw
10 Kg7 draw
11 Kg8 draw
12 Ra7 draw
13 Rb1 draw
14 Rb5 draw
15 Rb6 draw
16 Rb8 draw
17 Re7 draw
18 Rf7 draw
19 Rh7 draw
20 Kd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves