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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Ra1 draw
3 Rd3 draw
4 Rd4 draw
5 Rd5 draw
6 Rd8 draw
7 Rf1 draw
8 Rh1 draw
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kfg4 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kh2 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Khg4 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re1 loss in 2 half-moves