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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 Rg1 draw
6 Rg4 draw
7 Rg5 draw
8 Rg6 draw
9 K7a7 loss in 2 half-moves
10 K7a8 loss in 2 half-moves
11 K7c7 loss in 2 half-moves
12 K7c8 loss in 2 half-moves
13 K8a7 loss in 2 half-moves
14 K8a8 loss in 2 half-moves
15 K8c7 loss in 2 half-moves
16 K8c8 loss in 2 half-moves
17 Ka6 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh7 loss in 2 half-moves