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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra2 draw
3 Rb3 draw
4 Rb6 draw
5 Rb8 draw
6 Rd2 draw
7 Kg5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves