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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ra5 win in 5 half-moves
3 Bf2 draw
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Rb4 draw
8 Ba5 loss in 2 half-moves
9 Bb4 loss in 2 half-moves
10 Bc3 loss in 2 half-moves
11 Bd2 loss in 2 half-moves
12 Bg3 loss in 2 half-moves
13 Bh4 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves