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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Bd2 draw
3 Be3 draw
4 Nf6 draw
5 Ra1 draw
6 Rb2 draw
7 Rb3 draw
8 Ba3 loss in 2 half-moves
9 Bb2 loss in 2 half-moves
10 Bf4 loss in 2 half-moves
11 Bg5 loss in 2 half-moves
12 Bh6 loss in 2 half-moves
13 Nf8 loss in 2 half-moves
14 Ng5 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves