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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Ra7 draw
6 Rb7 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rg1 draw
11 Rg2 draw
12 Rg3 draw
13 Rg4 draw
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Ke1 loss in 2 half-moves
23 Ke2 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves