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EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ba8 draw
3 Bb7 draw
4 Bc6 draw
5 Bd5 draw
6 Be4 draw
7 Bf1 draw
8 Bf3 draw
9 Bh1 draw
10 Bh3 draw
11 Re8 draw
12 Rg4 draw
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves