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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rg8 win in 9 half-moves
3 Kg7 draw
4 Kh7 draw
5 Rb2 draw
6 Rd2 draw
7 Re2 draw
8 Rf2 draw
9 Rg3 draw
10 Rg4 draw
11 Rg5 draw
12 Rg7 draw
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Kg5 loss in 2 half-moves
22 Kg6 loss in 2 half-moves
23 Kh5 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rc2 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves