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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 Rb1 draw
4 Rb2 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Rg1 draw
9 Rg2 draw
10 Rh3 draw
11 Ra3 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rbc3 loss in 2 half-moves
15 Rbd3 loss in 2 half-moves
16 Rbe3 loss in 2 half-moves
17 Rbf3 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 Rgc3 loss in 2 half-moves
22 Rgd3 loss in 2 half-moves
23 Rge3 loss in 2 half-moves
24 Rgf3 loss in 2 half-moves