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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Kg2 draw
3 Kh2 draw
4 Ra7 draw
5 Rb7 draw
6 Rc7 draw
7 Re7 draw
8 Rf1 draw
9 Rf2 draw
10 Rf4 draw
11 Rf5 draw
12 Rf6 draw
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Kh4 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves