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EGTB: win in 20 half-moves

# move score
1 Rf4 win in 19 half-moves
2 Nd7 draw
3 Ne6 draw
4 Ng6 draw
5 Nh7 draw
6 Rd6 draw
7 Re6 draw
8 Rf5 draw
9 Rf7 draw
10 Rg6 draw
11 Rh6 draw
12 Ra6 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves