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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Bc3 draw
3 Bf6 draw
4 Bf8 draw
5 Nb8 draw
6 Nc7 draw
7 Rg8 draw
8 Rh8 draw
9 Ra7 loss in 8 half-moves
10 Ba1 loss in 4 half-moves
11 Bh8 loss in 4 half-moves
12 Bb2 loss in 2 half-moves
13 Be5 loss in 2 half-moves
14 Bh6 loss in 2 half-moves
15 Nb4 loss in 2 half-moves
16 Nc5 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Bd4 loss in 1 half-moves