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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ra6 draw
3 Ra8 draw
4 Rb7 draw
5 Rbb6 draw
6 Rc6 draw
7 Rc8 draw
8 Rd2 draw
9 Rd7 draw
10 Rdb6 draw
11 Rdd8 draw
12 Re6 draw
13 Re8 draw
14 Rbd8 loss in 4 half-moves
15 Rb1 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh6 loss in 2 half-moves
28 Rh8 loss in 2 half-moves