Korchnoi 1/2 point off the lead in Vegas

After 4 rounds, GM Kolev and super IM Gonzalez from Miami, member of the Miami-Dade college chess team that made big news across the country, are tied for 1st with a perfect 4-0 score. Korchnoi and a number of others are 1/2 point back.

Standings after 4 rounds at the National Open:

1 GM Kolev, Atanas BUL 2603 4.0
2 IM Gonzalez, Renier FL 2526 4.0

3 GM Nakamura, Hikaru NY 2738 3.5
4 GM Kortchnoi, Viktor SUI 2664 3.5
5 GM Erenburg, Sergey MD 2610 3.5
6 GM Becerra, Julio FL 2592 3.5
7 GM Gurevich, Dmitry IL 2583 3.5
8 IM Sevillano, Enrico CA 2571 3.5
9 GM Serper, Gregory WA 2562 3.5
10 GM Khachiyan, Melikset CA 2553 3.5

11 GM Ehlvest, Jaan NY 2683 3.0
12 GM Shabalov, Alexander PA 2671 3.0
13 GM Akobian, Varuzhan CA 2651 3.0
14 IM Finegold, Ben MI 2604 3.0
15 GM Abramovic, Bosko SRB 2559 3.0
16 IM Friedel, Joshua E NH 2542 3.0
17 IM Matikozyan, Andranik CA 2524 3.0
18 IM Krush, Irina NY 2488 3.0
19 IM Simutowe, Amon S TX 2460 3.0
20 IM Stein, Alan CA 2457 3.0
21 IM Mezentsev, Vladimir CA 2450 3.0
22 IM Vigorito, David MA 2450 3.0
23 IM Ginsburg, Mark IL 2417 3.0
24 Dishman, Steve TX 2339 3.0