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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Ra1 draw
3 Ra3 draw
4 Rb2 draw
5 Rbb3 draw
6 Rc1 draw
7 Rc3 draw
8 Rd2 draw
9 Rdb3 draw
10 Rdd1 draw
11 Rf3 draw
12 Rbd1 loss in 4 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh1 loss in 2 half-moves
28 Rh3 loss in 2 half-moves