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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb6 draw
5 Kc6 draw
6 Kc7 draw
7 Kc8 draw
8 Kd6 draw
9 Kd8 draw
10 Ke6 draw
11 Ke7 draw
12 Ke8 draw
13 Ra1 draw
14 Rb1 draw
15 Rf1 draw
16 Rg5 draw
17 Rg7 draw
18 Rg8 draw
19 Rh1 draw
20 Kb4 loss in 2 half-moves
21 Kb5 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves