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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Rb7 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rf1 draw
7 Rf2 draw
8 Rf4 draw
9 Rf5 draw
10 Rf6 draw
11 Kd3 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kef3 loss in 2 half-moves
17 Kef4 loss in 2 half-moves
18 Kef5 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kgf3 loss in 2 half-moves
22 Kgf4 loss in 2 half-moves
23 Kgf5 loss in 2 half-moves
24 Kh3 loss in 2 half-moves
25 Kh4 loss in 2 half-moves
26 Kh5 loss in 2 half-moves
27 Ra7 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves