The 45th Annual World Open will be held from June 29-July 4, 2017 at the Philadelphia Marriott Downtown, 1201 Market St., Philadelphia, Pennsylvania.

The event has 9 sections: Open, Under 2200, Under 2000, Under 1800, Under 1600, Under 1400, Under 1200, Under 900 and Unrated.

The Open Section is a 9-round Swiss, 5-day tournament (June 30-July 4) with FIDE norms possible. The time control is 40/2, SD/30 d10.

Last year winner was GM Gabor Papp.

Under 2200 to Under 1200 Sections, June 29-July 4, June 30-July 4, July 1-4 or 2-4: 40/2, SD/30 d10 (4-day option, rds. 1-2 G/60 d10; 3-day option, rds. 1-5 G/35 d10). Unrated not allowed in U1200, U1400, U1600 or U1800.

Under 900 Section & Unrated Section, July 2-4 only: G/60 d10

The event has a $225,000 prize fund unconditionally guaranteed.

Open Section: $20000-10000-5000-2500-1300-1000-800-700-600-500, clear winner bonus $500, top FIDE 2300-2449 $5000-2500-1500, top FIDE 2200-2299 $5000-2500-1500, top FIDE Under 2200/Unr $5000-2500-1500.

If tie for first, top 2 on tiebreak play speed game 10 pm 7/4 for title & bonus prize. GM & IM norms possible. FIDE rated.

Under 2200/Unr Section: $12000-6000-3000-1500-1000-800-600-500-400-400, top U2100 (no unr) $2000-1000, unrated limit $2000.
Under 2000/Unr Section: $12000-6000-3000-1500-1000-800-600-500-400-400, top U1900 (no unr) $2000-1000, unrated limit $1000.
Under 1800 Section: $12000-6000-3000-1500-1000-800-600-500-400-400, top U1700 $2000-1000.
Under 1600 Section: $10000-5000-2500-1300-900-700-600-500-400-400, top U1500 $2000-1000.
Under 1400 Section: $8000-4000-2000-1300-900-700-600-500-400-400, top U1300 $1600-800.
Under 1200 Section: $4000-2000-1000-800-600-500-400-400-300-300, top U1000 $1000-500.
Under 900 Section: $600-400-300-200-100, plaques to top 10.
Unrated Section: $600-400-300-200-100, plaques to top 10.

Entry fees from $308-350

Additional events:
World Open Under 13 (June 28-29)
World Open Action (June 29)
World Open G/7 Championship (June 30)
World Open Daily Blitz (July 1, 2, 3, 4)
World Open G/10 Championship (July 3)
World Open Blitz Championship (July 4)