Round 4 - Board 2: Umayan, Vincent ½-½ Kozower, Ethan
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bc3 6. Qc3 d5 7. Nf3 b6 8. e3 Bb7 9. Be2 Nbd7 10. O-O c5 11. b3 Rc8 12. Bb2 Qe7 13. Rac1 Rfd8 14. Rfd1 Ne4 15. Qe1 cd4 16. Nd4 Nd6 17. cd5 Bd5 18. f3 e5 19. Nb5 Nb5 20. Bb5 Rc1 21. Rc1 Bb3 22. Rc7 Qd6 23. Qc3 Qd1 24. Kf2 Nf8 25. Bc1 Ne6 26. Be2 Qh1 27. Rc8 Rc8 28. Qc8 Nf8 29. a4 Be6 30. Qc7 Qh2 31. Ba3 Qh4 32. Kf1 Qh1 33. Kf2 Qh4 34. Kf1 Qh1 35. Kf2 Qh4 36. 12-12