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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Raa5 draw
6 Rab4 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rba5 draw
11 Rbb4 draw
12 Rf5 draw
13 Rh4 draw
14 Rh5 draw
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Re5 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rg5 loss in 2 half-moves