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EGTB: win in 20 half-moves

# move score
1 Rg7 win in 19 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kc7 draw
5 Kc8 draw
6 Kd8 draw
7 Ke7 draw
8 Ke8 draw
9 Ra2 draw
10 Rb2 draw
11 Rf2 draw
12 Rg1 draw
13 Rg8 draw
14 Rh2 draw
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves