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EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Kf8 draw
3 Nf1 draw
4 Ng4 draw
5 Re1 draw
6 Rf1 draw
7 Rh1 draw
8 Kh7 loss in 6 half-moves
9 Kh8 loss in 6 half-moves
10 Kf7 loss in 2 half-moves
11 Nf3 loss in 2 half-moves
12 Ra1 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 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves