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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 Rb4 draw
5 Rb5 draw
6 Rb7 draw
7 Re2 draw
8 Rf2 draw
9 Rh2 draw
10 K3g3 loss in 2 half-moves
11 K3g4 loss in 2 half-moves
12 K4g3 loss in 2 half-moves
13 K4g4 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rd2 loss in 2 half-moves