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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Ra5 draw
3 Rd5 draw
4 Re5 draw
5 Rf5 draw
6 Rg2 draw
7 Rg3 draw
8 Rg4 draw
9 Rg8 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh5 loss in 2 half-moves