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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ra2 draw
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 K5g6 loss in 2 half-moves
10 K5h6 loss in 2 half-moves
11 K7g6 loss in 2 half-moves
12 K7h6 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Kh8 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc7 loss in 2 half-moves