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EGTB: win in 4 half-moves

# move score
1 Rd5 win in 3 half-moves
2 R3b4 draw
3 R5b4 draw
4 Ra1 draw
5 Ra2 draw
6 Ra4 draw
7 Raa3 draw
8 Rb1 draw
9 Rb2 draw
10 Rba3 draw
11 Rh3 draw
12 Rh5 draw
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg5 loss in 2 half-moves