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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Ka1 draw
3 Kb1 draw
4 Ra7 draw
5 Rb7 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Rg1 draw
10 Rg3 draw
11 Rg4 draw
12 Rg5 draw
13 Ka3 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ke5 loss in 2 half-moves
24 Rg2 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