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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kh1 draw
5 Ra2 draw
6 Rb2 draw
7 Rc2 draw
8 Rg3 draw
9 Rg5 draw
10 Rg6 draw
11 Rh1 draw
12 Rh3 draw
13 Rh5 draw
14 Rh6 draw
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves