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EGTB: win in 4 half-moves

# move score
1 Rf2 win in 3 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rf1 draw
6 Rf3 draw
7 Rf4 draw
8 Rf5 draw
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Kef1 loss in 2 half-moves
13 Kef2 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Kgf1 loss in 2 half-moves
16 Kgf2 loss in 2 half-moves
17 Kh1 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves