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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Re1 win in 7 half-moves
3 Ka3 draw
4 Rb3 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rc1 draw
9 Rd1 draw
10 Rg1 draw
11 Rh1 draw
12 Ka5 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Kb3 loss in 1 half-moves