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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Be1 draw
3 Bf2 draw
4 Bf6 draw
5 Ra1 draw
6 Rb1 draw
7 Rg5 draw
8 Rg7 draw
9 Bd8 loss in 2 half-moves
10 Be7 loss in 2 half-moves
11 Bg3 loss in 2 half-moves
12 Bg5 loss in 2 half-moves
13 Nf7 loss in 2 half-moves
14 Ng6 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh1 loss in 2 half-moves