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EGTB: win in 12 half-moves

# move score
1 Rf1 win in 11 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rf2 draw
5 Rf3 draw
6 Rf8 draw
7 Rg7 draw
8 K1a2 loss in 2 half-moves
9 K1b2 loss in 2 half-moves
10 K3a2 loss in 2 half-moves
11 K3b2 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rh7 loss in 2 half-moves