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EGTB: win in 12 half-moves

# move score
1 Rg7 win in 11 half-moves
2 Rg8 win in 11 half-moves
3 Rb4 draw
4 Rc4 draw
5 Rd4 draw
6 Rf4 draw
7 Rg1 draw
8 Rg5 draw
9 Rg6 draw
10 Ka6 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Ka8 loss in 2 half-moves
13 Kbb6 loss in 2 half-moves
14 Kbb8 loss in 2 half-moves
15 Kbc6 loss in 2 half-moves
16 Kbc8 loss in 2 half-moves
17 Kcb6 loss in 2 half-moves
18 Kcb8 loss in 2 half-moves
19 Kcc6 loss in 2 half-moves
20 Kcc8 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Kd8 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rh4 loss in 2 half-moves