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EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Na7 draw
4 Nc3 draw
5 Nc7 draw
6 Nd6 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Rg8 draw
11 Rh8 draw
12 Na3 loss in 2 half-moves
13 Nd4 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves