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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ra1 draw
3 Ra3 draw
4 Ra8 draw
5 Raa2 draw
6 Rb7 draw
7 Rc1 draw
8 Rca2 draw
9 Rd2 draw
10 Rd7 draw
11 Rf7 draw
12 Na2 loss in 2 half-moves
13 Na4 loss in 2 half-moves
14 Nb1 loss in 2 half-moves
15 Nb5 loss in 2 half-moves
16 Nd1 loss in 2 half-moves
17 Nd5 loss in 2 half-moves
18 Ne2 loss in 2 half-moves
19 Ne4 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rg2 loss in 2 half-moves
28 Rg7 loss in 2 half-moves
29 Rh2 loss in 2 half-moves
30 Rh7 loss in 2 half-moves