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EGTB: win in 4 half-moves

# move score
1 Nb1 win in 3 half-moves
2 Nb5 draw
3 Ra6 draw
4 Ra7 draw
5 Ra8 draw
6 Rb4 draw
7 Rb5 draw
8 Rc4 draw
9 Rc5 draw
10 Nc2 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh5 loss in 2 half-moves