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EGTB: win in 4 half-moves

# move score
1 R7a3 win in 3 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 R1a5 draw
6 R1a6 draw
7 R7a2 draw
8 R7a4 draw
9 R7a5 draw
10 R7a6 draw
11 Rb7 draw
12 Rc7 draw
13 Rd7 draw
14 Re1 draw
15 Re7 draw
16 Rf1 draw
17 Rf7 draw
18 Rg1 draw
19 Rg7 draw
20 R1a2 loss in 2 half-moves
21 R1a3 loss in 2 half-moves
22 R1a4 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Rh7 loss in 2 half-moves