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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ra2 draw
3 Ra3 draw
4 Rb1 draw
5 Rbb2 draw
6 Rc2 draw
7 Rc3 draw
8 Rd2 draw
9 Rd3 draw
10 Re1 draw
11 Re7 draw
12 Reb2 draw
13 Ree3 draw
14 Rbe3 loss in 4 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh2 loss in 2 half-moves
28 Rh3 loss in 2 half-moves