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EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rf1 win in 3 half-moves
3 R1a2 draw
4 R1a3 draw
5 R1a4 draw
6 R5a2 draw
7 R5a3 draw
8 R5a4 draw
9 Ra6 draw
10 Rab5 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rbb5 draw
15 Rf5 draw
16 Rh1 draw
17 Rh5 draw
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rd5 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Re5 loss in 2 half-moves
28 Rg1 loss in 2 half-moves
29 Rg5 loss in 2 half-moves