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EGTB: win in 12 half-moves

# move score
1 Rg7 win in 11 half-moves
2 Rh7 win in 13 half-moves
3 Ra7 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb6 draw
8 Rf7 draw
9 K3e3 loss in 2 half-moves
10 K3e4 loss in 2 half-moves
11 K3g3 loss in 2 half-moves
12 K3g4 loss in 2 half-moves
13 K4e3 loss in 2 half-moves
14 K4e4 loss in 2 half-moves
15 K4g3 loss in 2 half-moves
16 K4g4 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Kg5 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves
28 Re7 loss in 2 half-moves