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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rc4 win in 3 half-moves
3 Ra1 draw
4 Ra2 draw
5 Rb3 draw
6 Rbb1 draw
7 Rc3 draw
8 Rcc1 draw
9 Rg3 draw
10 Rg4 draw
11 Rg5 draw
12 Rgb1 draw
13 Rgc1 draw
14 Rgg2 draw
15 Rb5 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 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rcg2 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rd2 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Re2 loss in 2 half-moves
28 Rf1 loss in 2 half-moves
29 Rf2 loss in 2 half-moves
30 Rg6 loss in 2 half-moves
31 Rg7 loss in 2 half-moves
32 Rg8 loss in 2 half-moves
33 Rh1 loss in 2 half-moves
34 Rh2 loss in 2 half-moves