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EGTB: win in 12 half-moves

# move score
1 Rg7 win in 11 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd1 draw
6 Rd2 draw
7 Rd3 draw
8 Rd4 draw
9 Rh7 draw
10 Ka7 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Kh6 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf7 loss in 2 half-moves