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EGTB: win in 4 half-moves

# move score
1 Rge1 win in 3 half-moves
2 Ra1 draw
3 Ra7 draw
4 Re2 draw
5 Re3 draw
6 Re8 draw
7 Ree1 draw
8 Rf7 draw
9 Rb1 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh7 loss in 2 half-moves