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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kb7 draw
3 Kd7 draw
4 R1a2 draw
5 R1a6 draw
6 R7a2 draw
7 R7a6 draw
8 Ra8 draw
9 Rb1 draw
10 Rb7 draw
11 Rc1 draw
12 Rd1 draw
13 Re1 draw
14 Kb6 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 R1a3 loss in 2 half-moves
21 R1a4 loss in 2 half-moves
22 R1a5 loss in 2 half-moves
23 R7a3 loss in 2 half-moves
24 R7a4 loss in 2 half-moves
25 R7a5 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves