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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 Ka6 draw
4 Ka7 draw
5 Kbb7 draw
6 Kbc7 draw
7 Kcb7 draw
8 Kcc7 draw
9 Ra1 draw
10 Re1 draw
11 Rf8 draw
12 Rg1 draw
13 Rh1 draw
14 Ka5 loss in 2 half-moves
15 Kbb5 loss in 2 half-moves
16 Kbc5 loss in 2 half-moves
17 Kcb5 loss in 2 half-moves
18 Kcc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rf4 loss in 2 half-moves
28 Rf5 loss in 2 half-moves