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EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Nd3 draw
3 Nh1 draw
4 Ra3 draw
5 Rb1 draw
6 Rb2 draw
7 Rc3 draw
8 Rg3 draw
9 Nd1 loss in 2 half-moves
10 Ne4 loss in 2 half-moves
11 Ng4 loss in 2 half-moves
12 Nh3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 g7 loss in 1 half-moves
21 Rb8 loss in 1 half-moves