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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Kg5 draw
3 Kh5 draw
4 Kh8 draw
5 Rc2 draw
6 Rg1 draw
7 Rg3 draw
8 Rg4 draw
9 Rg6 draw
10 Rh2 draw
11 K6g6 loss in 2 half-moves
12 K6g7 loss in 2 half-moves
13 K7g6 loss in 2 half-moves
14 K7g7 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves