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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Bd3 draw
3 Nf6 draw
4 Nf8 draw
5 Rc3 draw
6 Rg5 draw
7 Rg7 draw
8 Rg8 draw
9 Bb1 loss in 2 half-moves
10 Bc2 loss in 2 half-moves
11 Bc8 loss in 2 half-moves
12 Bd7 loss in 2 half-moves
13 Be4 loss in 2 half-moves
14 Be6 loss in 2 half-moves
15 Bg4 loss in 2 half-moves
16 Bg6 loss in 2 half-moves
17 Bh3 loss in 2 half-moves
18 Ng5 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh3 loss in 2 half-moves