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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd8 draw
6 Kf6 draw
7 Kf8 draw
8 Kg6 draw
9 Kg8 draw
10 Kh6 draw
11 Kh7 draw
12 Kh8 draw
13 Ra4 draw
14 Re4 draw
15 Rf5 draw
16 Rf6 draw
17 Rf7 draw
18 Rg4 draw
19 Rh4 draw
20 Kd7 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves