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EGTB: win in 20 half-moves

# move score
1 R7a5 win in 19 half-moves
2 Rd7 draw
3 Re7 draw
4 Rf7 draw
5 Rh7 draw
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 R4a5 loss in 2 half-moves
12 R4a6 loss in 2 half-moves
13 R7a6 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh4 loss in 2 half-moves