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EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Na5 draw
3 Nd4 draw
4 Ne7 draw
5 Ra8 draw
6 Rb6 draw
7 Rb7 draw
8 Rh8 draw
9 Na7 loss in 10 half-moves
10 Nd8 loss in 10 half-moves
11 Rc8 loss in 4 half-moves
12 Nb4 loss in 2 half-moves
13 Ne5 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 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
21 Rg8 loss in 2 half-moves