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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rg8 win in 5 half-moves
3 Kg5 draw
4 Kh5 draw
5 Rb1 draw
6 Rd1 draw
7 Re1 draw
8 Rf1 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rh1 loss in 2 half-moves