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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Ra7 draw
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Rg1 draw
8 Rg3 draw
9 Rg5 draw
10 Rg6 draw
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kcc2 loss in 2 half-moves
17 Kcd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kdc2 loss in 2 half-moves
21 Kdd2 loss in 2 half-moves
22 Ke1 loss in 2 half-moves
23 Ke2 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves