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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kf2 draw
3 Kf3 draw
4 Kf4 draw
5 Re1 draw
6 Rf4 draw
7 Kg2 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Kg8 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Kh8 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rh4 loss in 2 half-moves