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EGTB: win in 6 half-moves

# move score
1 Rf4 win in 5 half-moves
2 Nb1 draw
3 Nb3 draw
4 Nc4 draw
5 Ra7 draw
6 Rb7 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf5 draw
11 Rf6 draw
12 Rf8 draw
13 Ne4 loss in 2 half-moves
14 Nf1 loss in 2 half-moves
15 Nf3 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves