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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd7 draw
6 Rg1 draw
7 Rg3 draw
8 Rg8 draw
9 Kb2 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kcc2 loss in 2 half-moves
13 Kcc4 loss in 2 half-moves
14 Kcd2 loss in 2 half-moves
15 Kcd4 loss in 2 half-moves
16 Kdc2 loss in 2 half-moves
17 Kdc4 loss in 2 half-moves
18 Kdd2 loss in 2 half-moves
19 Kdd4 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg4 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