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EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Ke4 draw
3 Ke5 draw
4 Kf5 draw
5 Kg5 draw
6 Ra6 draw
7 Rb4 draw
8 Rb7 draw
9 Rb8 draw
10 Rc6 draw
11 Rd6 draw
12 Rf6 draw
13 Rh6 draw
14 Ke3 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves