Pirc Defense: Classical Variation, Quiet System, Czech Defense
White
Rating Group
Elo gain/loss
Game count
All
0.27
2,000
<1000
5.42
61
1000-1500
1.65
297
1500-2000
0.65
835
2000+
-1.03
802
Black
Rating Group
Elo gain/loss
Count
All
-0.27
2,000
<1000
2.55
43
1000-1500
0.7
278
1500-2000
-0.08
830
2000+
-0.91
844