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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rf6 draw
3 Rf7 draw
4 Rf8 draw
5 Rfa1 loss in 4 half-moves
6 Rg1 loss in 4 half-moves
7 Rh1 loss in 4 half-moves
8 Nb4 loss in 2 half-moves
9 Nb8 loss in 2 half-moves
10 Nc5 loss in 2 half-moves
11 Nc7 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Raa1 loss in 2 half-moves
16 Raf3 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rf5 loss in 2 half-moves
27 Rff3 loss in 2 half-moves
28 Rg3 loss in 2 half-moves
29 Rh3 loss in 2 half-moves