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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Ra2 draw
3 Rd2 draw
4 Re2 draw
5 Rf2 draw
6 Rg1 draw
7 Rg5 draw
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kff7 loss in 2 half-moves
12 Kfg8 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kgf7 loss in 2 half-moves
15 Kgg8 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Kh8 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh2 loss in 2 half-moves