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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ke1 draw
3 Ke2 draw
4 Kf2 draw
5 Kg1 draw
6 Kg2 draw
7 Ra3 draw
8 Ra5 draw
9 Rb1 draw
10 Rb2 draw
11 Rc3 draw
12 Rc5 draw
13 Re1 draw
14 Re2 draw
15 Re4 draw
16 Re6 draw
17 Reb5 draw
18 Ree3 draw
19 Rbb5 loss in 4 half-moves
20 Rbe3 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 Rd3 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 Rf3 loss in 2 half-moves
29 Rf5 loss in 2 half-moves
30 Rg3 loss in 2 half-moves
31 Rg5 loss in 2 half-moves
32 Rh3 loss in 2 half-moves
33 Rh5 loss in 2 half-moves