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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Ba3 draw
3 Be3 draw
4 Bf4 draw
5 Bg5 draw
6 Bh6 draw
7 Rf8 draw
8 Rg7 draw
9 Rh7 draw
10 Rf2 loss in 4 half-moves
11 Bb2 loss in 2 half-moves
12 Bd2 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves