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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Kg1 draw
3 Kh1 draw
4 Ra2 draw
5 Ra8 draw
6 Rbd2 draw
7 Rc2 draw
8 Rc8 draw
9 Rd1 draw
10 Rdb8 draw
11 Rdd2 draw
12 Re2 draw
13 Re8 draw
14 Rg2 draw
15 Kg3 loss in 2 half-moves
16 Kh3 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rbb8 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Rd5 loss in 2 half-moves
26 Rd6 loss in 2 half-moves
27 Rd7 loss in 2 half-moves
28 Rf2 loss in 2 half-moves
29 Rf8 loss in 2 half-moves
30 Rg8 loss in 2 half-moves
31 Rh8 loss in 2 half-moves
32 Kg2 loss in 1 half-moves