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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd3 draw
6 Ke1 draw
7 Ke2 draw
8 Ke3 draw
9 Rb1 draw
10 Rd3 draw
11 Rdh1 draw
12 Rh2 draw
13 Rh4 draw
14 Rh8 draw
15 Rhh1 draw
16 Ra1 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh6 loss in 2 half-moves
28 Rh7 loss in 2 half-moves