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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rg8 win in 11 half-moves
3 Kb7 draw
4 Kb8 draw
5 Kc7 draw
6 Kd7 draw
7 Kd8 draw
8 Ke6 draw
9 Ke7 draw
10 Kf7 draw
11 Kg5 draw
12 Kg6 draw
13 Kg7 draw
14 Ra4 draw
15 Rg5 draw
16 Rg6 draw
17 Rh4 draw
18 Ke5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves