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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Bb7 draw
3 Bh3 draw
4 Rb6 draw
5 Re6 draw
6 Rg6 draw
7 Rh2 draw
8 Rh5 draw
9 Rh7 draw
10 Rh8 draw
11 Ba6 loss in 2 half-moves
12 Bd7 loss in 2 half-moves
13 Be6 loss in 2 half-moves
14 Bf5 loss in 2 half-moves
15 Bg4 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves