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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Nb4 draw
3 Nc1 draw
4 Nc3 draw
5 Ra8 draw
6 Rb2 draw
7 Rb4 draw
8 Ba6 loss in 2 half-moves
9 Bb7 loss in 2 half-moves
10 Bd7 loss in 2 half-moves
11 Be6 loss in 2 half-moves
12 Bf5 loss in 2 half-moves
13 Bg4 loss in 2 half-moves
14 Bh3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves