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EGTB: win in 4 half-moves

# move score
1 R2b3 win in 3 half-moves
2 Kd2 draw
3 R2b7 draw
4 R8b3 draw
5 R8b7 draw
6 Ra2 draw
7 Ra8 draw
8 Rb1 draw
9 Rf8 draw
10 Kb1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 R2b4 loss in 2 half-moves
17 R2b5 loss in 2 half-moves
18 R2b6 loss in 2 half-moves
19 R8b4 loss in 2 half-moves
20 R8b5 loss in 2 half-moves
21 R8b6 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves