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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Kd8 draw
3 Kg7 draw
4 Kg8 draw
5 Ra1 draw
6 Ra3 draw
7 Ra8 draw
8 Rb2 draw
9 Rf2 draw
10 Rh2 draw
11 Kd7 loss in 2 half-moves
12 Kee7 loss in 2 half-moves
13 Kef7 loss in 2 half-moves
14 Kfe7 loss in 2 half-moves
15 Kff7 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re2 loss in 2 half-moves