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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rg2 win in 3 half-moves
3 Ka3 draw
4 Kb3 draw
5 Rb7 draw
6 Rc7 draw
7 Rd7 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Rh7 draw
13 Ka1 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Ke1 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves