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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Kd5 draw
3 Kf6 draw
4 Ra6 draw
5 Rb3 draw
6 Rb5 draw
7 Rb7 draw
8 Rb8 draw
9 Rg6 draw
10 Re6 loss in 18 half-moves
11 Kd6 loss in 8 half-moves
12 Ke6 loss in 8 half-moves
13 Kd4 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves