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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Ra1 draw
3 Rg5 draw
4 g8=B loss in 2 half-moves
5 g8=K loss in 2 half-moves
6 g8=N loss in 2 half-moves
7 g8=Q loss in 2 half-moves
8 g8=R loss in 2 half-moves
9 Nb3 loss in 2 half-moves
10 Nb7 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Nc6 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh1 loss in 2 half-moves