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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 R3f4 draw
3 R5f4 draw
4 Rb5 draw
5 Rf1 draw
6 Rf2 draw
7 Rfh5 draw
8 Rg5 draw
9 Rh1 draw
10 Rh2 draw
11 Rh4 draw
12 Rhg3 draw
13 Rfg3 loss in 6 half-moves
14 Rhh5 loss in 4 half-moves
15 Ra3 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves