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EGTB: win in 4 half-moves

# move score
1 Rf2 win in 3 half-moves
2 Ra6 draw
3 Rc6 draw
4 Rf3 draw
5 Rf4 draw
6 Rf5 draw
7 Rg6 draw
8 Ke1 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh6 loss in 2 half-moves