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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra5 draw
3 Rd5 draw
4 Re5 draw
5 Rf5 draw
6 Rg1 draw
7 Rg3 draw
8 Rg4 draw
9 Rg8 draw
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Kf2 loss in 2 half-moves
21 Kg1 loss in 2 half-moves
22 Kg2 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rc5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh5 loss in 2 half-moves