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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rh7 win in 5 half-moves
3 Kg3 draw
4 Kgg2 draw
5 Kgh1 draw
6 Kh3 draw
7 Khh1 draw
8 Ra7 draw
9 Rb4 draw
10 Rb5 draw
11 Rb6 draw
12 Rb8 draw
13 Kf1 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Khg2 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves