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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Kef7 draw
6 Kef8 draw
7 Kg7 draw
8 Kgf7 draw
9 Kgf8 draw
10 Kh7 draw
11 Kh8 draw
12 Rc4 draw
13 Rg5 draw
14 Rg6 draw
15 Rh4 draw
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves