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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra5 draw
3 Rd5 draw
4 Re5 draw
5 Rf5 draw
6 Rg1 draw
7 Rg3 draw
8 Rg8 draw
9 Kc2 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd1 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kdd2 loss in 2 half-moves
15 Kde2 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ked2 loss in 2 half-moves
19 Kee2 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh5 loss in 2 half-moves