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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kd7 draw
3 Kd8 draw
4 Kee8 draw
5 Kef8 draw
6 Kfe8 draw
7 Kff8 draw
8 Kg7 draw
9 Kg8 draw
10 Ra6 draw
11 Rb1 draw
12 Rb7 draw
13 Rb8 draw
14 Rc6 draw
15 Rh6 draw
16 Kd6 loss in 2 half-moves
17 Kee6 loss in 2 half-moves
18 Kef6 loss in 2 half-moves
19 Kfe6 loss in 2 half-moves
20 Kff6 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rd6 loss in 2 half-moves
27 Re6 loss in 2 half-moves
28 Rf6 loss in 2 half-moves