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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kg4 draw
3 Kh4 draw
4 Kh7 draw
5 Rc2 draw
6 Rg1 draw
7 Rg3 draw
8 Rg5 draw
9 Rh2 draw
10 K5g5 loss in 2 half-moves
11 K5g6 loss in 2 half-moves
12 K6g5 loss in 2 half-moves
13 K6g6 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves