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EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Ra6 draw
3 Ra7 draw
4 Rb8 draw
5 Rbb7 draw
6 Rbc6 draw
7 Rc7 draw
8 Rd8 draw
9 Rdb7 draw
10 Rdc6 draw
11 Re6 draw
12 Re7 draw
13 Rb1 loss in 6 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves