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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kf4 draw
3 Ra3 draw
4 Rf1 draw
5 Rf2 draw
6 Rg3 draw
7 Rh3 draw
8 Ke4 loss in 2 half-moves
9 Ke5 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves