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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 g8=K draw
3 Nb3 draw
4 Ra1 draw
5 Rc1 draw
6 Rg2 draw
7 Rg5 draw
8 g8=B loss in 2 half-moves
9 g8=N loss in 2 half-moves
10 g8=Q loss in 2 half-moves
11 g8=R loss in 2 half-moves
12 Na4 loss in 2 half-moves
13 Na6 loss in 2 half-moves
14 Nb7 loss in 2 half-moves
15 Nd3 loss in 2 half-moves
16 Nd7 loss in 2 half-moves
17 Ne4 loss in 2 half-moves
18 Ne6 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh1 loss in 2 half-moves