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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Bb2 draw
3 Bd4 draw
4 Be5 draw
5 Bg7 draw
6 Bh8 draw
7 Rg2 draw
8 Rg3 draw
9 Rh1 draw
10 Bc3 loss in 2 half-moves
11 Bf6 loss in 2 half-moves
12 Nb2 loss in 2 half-moves
13 Nc3 loss in 2 half-moves
14 Ne3 loss in 2 half-moves
15 Nf2 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves