Ruy Lopez: Morphy Defense, Breyer Defense, Zaitsev Hybrid
White
Rating Group
Elo gain/loss
Game count
All
0.89
1,300
<1000
7.79
27
1000-1500
3.09
92
1500-2000
1.82
333
2000+
0.06
849
Black
Rating Group
Elo gain/loss
Count
All
-0.89
1,300
<1000
0.94
14
1000-1500
0.13
80
1500-2000
0.25
279
2000+
-1.34
928