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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc4 draw
5 Rd4 draw
6 Rg1 draw
7 Rg5 draw
8 Kd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Kef7 loss in 2 half-moves
12 Kef8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Kgf7 loss in 2 half-moves
17 Kgf8 loss in 2 half-moves
18 Kh6 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Kh8 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves