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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rd7 win in 3 half-moves
3 Ra7 draw
4 Rc7 draw
5 Re7 draw
6 Rh1 draw
7 Rh3 draw
8 Rh4 draw
9 Rh5 draw
10 Ka4 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kab4 loss in 2 half-moves
13 Kab5 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kcb4 loss in 2 half-moves
19 Kcb5 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh2 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh8 loss in 2 half-moves