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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ke5 draw
3 Kg4 draw
4 Ra3 draw
5 Rc3 draw
6 Rg7 draw
7 a3 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kg5 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh3 loss in 2 half-moves