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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rd7 draw
3 Re7 draw
4 Rf7 draw
5 Rg2 draw
6 Rg4 draw
7 Rg5 draw
8 Rg6 draw
9 K6a6 loss in 2 half-moves
10 K6a7 loss in 2 half-moves
11 K6c6 loss in 2 half-moves
12 K6c7 loss in 2 half-moves
13 K7a6 loss in 2 half-moves
14 K7a7 loss in 2 half-moves
15 K7c6 loss in 2 half-moves
16 K7c7 loss in 2 half-moves
17 Ka5 loss in 2 half-moves
18 Ka8 loss in 2 half-moves
19 Kb5 loss in 2 half-moves
20 Kb8 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Kc8 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh7 loss in 2 half-moves