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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kcd1 draw
3 Ked1 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Rc1 draw
9 Rd1 draw
10 Re1 draw
11 Rg1 draw
12 Rh1 draw
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Rb1 loss in 2 half-moves
27 Kcd2 loss in 1 half-moves
28 Kcd3 loss in 1 half-moves
29 Ked2 loss in 1 half-moves
30 Ked3 loss in 1 half-moves