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EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Rb2 draw
3 Rb3 draw
4 Rb8 draw
5 Rc7 draw
6 Rg7 draw
7 g5 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves