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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rb2 draw
3 Rc2 draw
4 Rd2 draw
5 Re2 draw
6 Rg3 draw
7 Rg4 draw
8 Rg5 draw
9 Rg7 draw
10 Rg8 draw
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kdd7 loss in 2 half-moves
15 Kde8 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ked7 loss in 2 half-moves
18 Kee8 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves