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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Ra6 draw
3 Ra8 draw
4 Rab7 draw
5 Rb6 draw
6 Rb8 draw
7 Rba2 draw
8 Rbb7 draw
9 Rc2 draw
10 Rd2 draw
11 Rh2 draw
12 Ra1 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Raa2 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves