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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb8 draw
6 Kd8 draw
7 Ke7 draw
8 Kf7 draw
9 Kf8 draw
10 Ra3 draw
11 Rb3 draw
12 Rc3 draw
13 Rg4 draw
14 Rg5 draw
15 Rg6 draw
16 Rg8 draw
17 Rh3 draw
18 Kb7 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves