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EGTB: win in 12 half-moves

# move score
1 Rf7 win in 11 half-moves
2 Kaa7 draw
3 Kab8 draw
4 Kba7 draw
5 Kbb8 draw
6 Kc6 draw
7 Kc7 draw
8 Kc8 draw
9 Rd5 draw
10 Re5 draw
11 Rf1 draw
12 Rf6 draw
13 Rf8 draw
14 Rg5 draw
15 Rh5 draw
16 Ka6 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf4 loss in 2 half-moves