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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ra1 draw
3 Rb2 draw
4 Rb3 draw
5 Rbc1 draw
6 Rg2 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Rgc1 draw
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rbd1 loss in 2 half-moves
16 Rbe1 loss in 2 half-moves
17 Rbf1 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rgd1 loss in 2 half-moves
22 Rge1 loss in 2 half-moves
23 Rgf1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves