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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 K3g2 draw
3 Ra8 draw
4 Rb8 draw
5 Rd8 draw
6 Rg5 draw
7 Kf1 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kf4 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Kh1 loss in 2 half-moves
12 Kh3 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 K1f2 loss in 1 half-moves
21 K1g2 loss in 1 half-moves
22 K1h2 loss in 1 half-moves
23 K3f2 loss in 1 half-moves
24 K3h2 loss in 1 half-moves