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EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Ne5 draw
3 Ra4 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Rg5 draw
8 Na7 loss in 4 half-moves
9 Nb8 loss in 4 half-moves
10 Nd8 loss in 4 half-moves
11 Ne7 loss in 4 half-moves
12 Re5 loss in 4 half-moves
13 Nb4 loss in 2 half-moves
14 Nd4 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves