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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Ra7 draw
3 Rd7 draw
4 Re7 draw
5 Rf7 draw
6 Rg4 draw
7 Rg8 draw
8 Kd1 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Ke1 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kef1 loss in 2 half-moves
14 Kef2 loss in 2 half-moves
15 Kef3 loss in 2 half-moves
16 Kg1 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kgf1 loss in 2 half-moves
19 Kgf2 loss in 2 half-moves
20 Kgf3 loss in 2 half-moves
21 Kh1 loss in 2 half-moves
22 Kh2 loss in 2 half-moves
23 Kh3 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rh7 loss in 2 half-moves