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EGTB: win in 20 half-moves

# move score
1 Rf1 win in 19 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rf2 draw
6 Rf3 draw
7 Rf4 draw
8 Rf5 draw
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Ka3 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves
25 Kbc1 loss in 1 half-moves
26 Kbc2 loss in 1 half-moves
27 Kbc3 loss in 1 half-moves
28 Kdc1 loss in 1 half-moves
29 Kdc2 loss in 1 half-moves
30 Kdc3 loss in 1 half-moves