1 c4
| Rating Group | Elo gain/loss | Game count |
|---|---|---|
| All | -0.09 | 633,000 |
| <1000 | 2.39 | 20,800 |
| 1000-1500 | 0.97 | 151,000 |
| 1500-2000 | -0.11 | 320,000 |
| 2000+ | -1.54 | 141,000 |
| Rating Group | Elo gain/loss | Count |
|---|---|---|
| All | 0.09 | 633,000 |
| <1000 | 2.33 | 20,900 |
| 1000-1500 | 1.04 | 150,000 |
| 1500-2000 | 0.05 | 323,000 |
| 2000+ | -1.19 | 139,000 |