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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kh1 draw
6 Kh2 draw
7 Ra1 draw
8 Ra5 draw
9 Rb2 draw
10 Rb3 draw
11 Rc1 draw
12 Rc5 draw
13 Re2 draw
14 Re3 draw
15 Re4 draw
16 Re6 draw
17 Reb5 draw
18 Ree1 draw
19 Rbb5 loss in 4 half-moves
20 Rbe1 loss in 4 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rd5 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Re8 loss in 2 half-moves
28 Rf1 loss in 2 half-moves
29 Rf5 loss in 2 half-moves
30 Rg5 loss in 2 half-moves
31 Rh5 loss in 2 half-moves