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EGTB: win in 4 half-moves

# move score
1 Nf7 win in 3 half-moves
2 Rg3 draw
3 d8=N loss in 4 half-moves
4 Rg2 loss in 4 half-moves
5 d8=B loss in 2 half-moves
6 d8=K loss in 2 half-moves
7 d8=Q loss in 2 half-moves
8 d8=R loss in 2 half-moves
9 Ne4 loss in 2 half-moves
10 Ne6 loss in 2 half-moves
11 Nf3 loss in 2 half-moves
12 Nh3 loss in 2 half-moves
13 Nh7 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh1 loss in 2 half-moves