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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 Rc1 draw
6 Rc2 draw
7 Rd3 draw
8 Rd4 draw
9 Rd8 draw
10 Rdd2 draw
11 Re3 draw
12 Re4 draw
13 Re8 draw
14 Red2 draw
15 Ree1 draw
16 Rg2 draw
17 Rde1 loss in 4 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Re7 loss in 2 half-moves
28 Rf1 loss in 2 half-moves
29 Rf2 loss in 2 half-moves
30 Rh2 loss in 2 half-moves