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EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Rc3 draw
3 Re3 draw
4 Rf2 draw
5 Rf4 draw
6 Rf5 draw
7 Rf6 draw
8 Rh3 draw
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg3 loss in 2 half-moves