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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rf7 draw
3 Rg6 draw
4 Rg8 draw
5 Rh7 draw
6 Nh5 loss in 10 half-moves
7 Nh3 loss in 8 half-moves
8 Ng6 loss in 4 half-moves
9 Rd7 loss in 4 half-moves
10 Rg4 loss in 4 half-moves
11 Nd3 loss in 2 half-moves
12 Nd5 loss in 2 half-moves
13 Ne2 loss in 2 half-moves
14 Ne6 loss in 2 half-moves
15 Ng2 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg5 loss in 2 half-moves