Ruy Lopez: Old Steinitz Defense, Semi-Duras Variation
White
Rating Group
Elo gain/loss
Game count
All
-0.85
219
<1000
3
11
1000-1500
0.9
75
1500-2000
-1.74
108
2000+
-3.92
25
Black
Rating Group
Elo gain/loss
Count
All
0.85
219
<1000
1.58
12
1000-1500
0.7
76
1500-2000
1.2
114
2000+
-1.35
17