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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ra4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Re4 draw
8 Rf4 draw
9 K4g5 loss in 2 half-moves
10 K4h5 loss in 2 half-moves
11 K6g5 loss in 2 half-moves
12 K6h5 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Kh7 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves