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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rf5 win in 3 half-moves
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Ra8 draw
7 Raa7 draw
8 Raf6 draw
9 Re6 draw
10 Re7 draw
11 Rf8 draw
12 Rff6 draw
13 Rg6 draw
14 Rg7 draw
15 Rh6 draw
16 Rh7 draw
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rfa7 loss in 2 half-moves