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EGTB: win in 18 half-moves

# move score
1 Rg7 win in 17 half-moves
2 Rc4 draw
3 Rd4 draw
4 Re4 draw
5 Rg5 draw
6 Rg6 draw
7 Rg8 draw
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves