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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rf7 win in 3 half-moves
3 Kd5 draw
4 Ke5 draw
5 Kf5 draw
6 Ra2 draw
7 Rb2 draw
8 Rc2 draw
9 Rf1 draw
10 Rf5 draw
11 Rf8 draw
12 Ka6 loss in 2 half-moves
13 Ka8 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves