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EGTB: win in 12 half-moves

# move score
1 Rg7 win in 11 half-moves
2 Rc7 draw
3 Rd1 draw
4 Rd2 draw
5 Rd3 draw
6 Rd4 draw
7 Rh7 draw
8 Ka6 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Kg7 loss in 2 half-moves
21 Kh5 loss in 2 half-moves
22 Kh6 loss in 2 half-moves
23 Kh7 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re7 loss in 2 half-moves
28 Rf7 loss in 2 half-moves