1 c4 c5
| Rating Group | Elo gain/loss | Game count |
|---|---|---|
| All | 0.02 | 144,000 |
| <1000 | 2.89 | 4,280 |
| 1000-1500 | 1.32 | 28,400 |
| 1500-2000 | 0.14 | 68,900 |
| 2000+ | -1.33 | 42,300 |
| Rating Group | Elo gain/loss | Count |
|---|---|---|
| All | -0.02 | 144,000 |
| <1000 | 2.48 | 4,140 |
| 1000-1500 | 1.05 | 27,600 |
| 1500-2000 | 0.06 | 69,600 |
| 2000+ | -1.09 | 42,500 |