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EGTB: win in 12 half-moves

# move score
1 Rf4 win in 11 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rd6 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kf1 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kg1 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kh1 loss in 2 half-moves
23 Kh2 loss in 2 half-moves
24 Kh3 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rf7 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rh6 loss in 2 half-moves