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EGTB: win in 4 half-moves

# move score
1 Kg2 win in 3 half-moves
2 Ra2 draw
3 Rb2 draw
4 Rc2 draw
5 Rh1 draw
6 Ke3 loss in 2 half-moves
7 Ke4 loss in 2 half-moves
8 Ke5 loss in 2 half-moves
9 Kf3 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Kfg3 loss in 2 half-moves
12 Kfg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Khg3 loss in 2 half-moves
16 Khg4 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg2 loss in 2 half-moves