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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kf2 draw
3 Kf4 draw
4 Kfg4 draw
5 Kg2 draw
6 Kg3 draw
7 Kg5 draw
8 Kg6 draw
9 Kh4 draw
10 Kh6 draw
11 Khg4 draw
12 Ra1 draw
13 Re1 draw
14 Rf1 draw
15 Rg5 draw
16 Rg7 draw
17 Rg8 draw
18 Rh1 draw
19 Rg3 loss in 4 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg4 loss in 2 half-moves