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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rc7 draw
3 Rd7 draw
4 Re7 draw
5 Rf7 draw
6 Rg2 draw
7 Rg3 draw
8 Rg8 draw
9 Kd2 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke1 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Kee2 loss in 2 half-moves
15 Kef3 loss in 2 half-moves
16 Kf1 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kfe2 loss in 2 half-moves
19 Kff3 loss in 2 half-moves
20 Kg1 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rh7 loss in 2 half-moves