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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Ra6 draw
3 Rc6 draw
4 Rd6 draw
5 Re6 draw
6 Rf7 draw
7 Rf8 draw
8 Kd1 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Kee2 loss in 2 half-moves
12 Kef1 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kfe2 loss in 2 half-moves
15 Kff1 loss in 2 half-moves
16 Kg1 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rh6 loss in 2 half-moves