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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rh1 win in 7 half-moves
3 Ke7 draw
4 Ke8 draw
5 Kf6 draw
6 Kff7 draw
7 Kfg8 draw
8 Kg6 draw
9 Kgf7 draw
10 Kgg8 draw
11 Kh6 draw
12 Kh7 draw
13 Kh8 draw
14 Ra1 draw
15 Rg5 draw
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rg4 loss in 2 half-moves