Round 4 pairings
| 1 | GM Margvelashvili, Giorgi | 1.5 | GEO | 2547 | – GM Finegold, Benjamin | 1.5 | USA | 2505 | |
| 2 | IM Arnold, Marc T | 2.0 | USA | 2502 | – IM Gerzhoy, Leonid | 0.5 | CAN | 2489 | |
| 3 | IM Brooks, Michael A | 0.5 | USA | 2456 | – IM Young, Angelo | 1.0 | PHI | 2321 | |
| 4 | IM Yang, Darwin | 2.0 | USA | 2448 | – GM Moradiabadi, Elshan | 2.5 | IRI | 2542 | |
| 5 | IM Molner, Mackenzie | 1.5 | USA | 2465 | – IM Sevillano, Enrico | 2.0 | USA | 2502 |
Official website: http://saintlouischessclub.org/2012-saint-louis-invitational
Chess Daily News from Susan Polgar
Bring Nakamura in to show these patzers who’s the real boss in St. Louis.