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EGTB: win in 4 half-moves

# move score
1 Rf2 win in 3 half-moves
2 Rf5 win in 3 half-moves
3 Ra7 draw
4 Rc7 draw
5 Rd7 draw
6 Re7 draw
7 Rf1 draw
8 Rf3 draw
9 Rf4 draw
10 Rf6 draw
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kcc3 loss in 2 half-moves
17 Kcd4 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kdc3 loss in 2 half-moves
21 Kdd4 loss in 2 half-moves
22 Ke2 loss in 2 half-moves
23 Ke3 loss in 2 half-moves
24 Ke4 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves