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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ba1 draw
3 Bd2 draw
4 Bd4 draw
5 Be1 draw
6 Be5 draw
7 Bf6 draw
8 Bg7 draw
9 Rc8 draw
10 Ba5 loss in 4 half-moves
11 Nf6 loss in 2 half-moves
12 Nf8 loss in 2 half-moves
13 Ng5 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Bb2 loss in 1 half-moves
20 Bb4 loss in 1 half-moves