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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Ra2 draw
3 Rc2 draw
4 Rd2 draw
5 Re2 draw
6 Rg3 draw
7 Rg4 draw
8 Rg5 draw
9 Kf6 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kgg6 loss in 2 half-moves
13 Kgg8 loss in 2 half-moves
14 Kgh6 loss in 2 half-moves
15 Kgh8 loss in 2 half-moves
16 Khg6 loss in 2 half-moves
17 Khg8 loss in 2 half-moves
18 Khh6 loss in 2 half-moves
19 Khh8 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh2 loss in 2 half-moves