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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Kg6 draw
3 Kh3 draw
4 Kh6 draw
5 Ra2 draw
6 Rb2 draw
7 Rf1 draw
8 Rf7 draw
9 Rh2 draw
10 K4g4 loss in 2 half-moves
11 K4g5 loss in 2 half-moves
12 K5g4 loss in 2 half-moves
13 K5g5 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf8 loss in 2 half-moves