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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Bf7 draw
3 Nb4 draw
4 Nc7 draw
5 Ra8 draw
6 Rd8 draw
7 Re8 draw
8 Rf2 draw
9 Bb1 loss in 2 half-moves
10 Bb3 loss in 2 half-moves
11 Bc4 loss in 2 half-moves
12 Bd5 loss in 2 half-moves
13 Be6 loss in 2 half-moves
14 Bg8 loss in 2 half-moves
15 Nb8 loss in 2 half-moves
16 Nc5 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves