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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 g4 draw
3 Na7 draw
4 Nd4 draw
5 Rh7 loss in 4 half-moves
6 g3 loss in 2 half-moves
7 Na3 loss in 2 half-moves
8 Nc3 loss in 2 half-moves
9 Nd6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Nc7 loss in 1 half-moves
19 Ra7 loss in 1 half-moves
20 Rc7 loss in 1 half-moves