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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Re7 win in 3 half-moves
3 Ra7 draw
4 Rc7 draw
5 Rd7 draw
6 Rh1 draw
7 Rh4 draw
8 Rh5 draw
9 Rh6 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kcc3 loss in 2 half-moves
16 Kcd4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kdc3 loss in 2 half-moves
20 Kdd4 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh2 loss in 2 half-moves
27 Rh3 loss in 2 half-moves
28 Rh8 loss in 2 half-moves