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EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Ra2 draw
3 Ra7 draw
4 Rb6 draw
5 Rb8 draw
6 Rbc7 draw
7 Rc6 draw
8 Rc8 draw
9 Rcb2 draw
10 Rd2 draw
11 Re2 draw
12 Rcc7 loss in 4 half-moves
13 Rb1 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rbb2 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh2 loss in 2 half-moves
28 Rh7 loss in 2 half-moves