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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kg3 draw
3 Kh3 draw
4 Rc7 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rg2 draw
9 Rg3 draw
10 Rg4 draw
11 Rg5 draw
12 Rg6 draw
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kh1 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh7 loss in 2 half-moves