2026 Illinois Open & Blitz

DoubleTree by Hilton Lisle Naperville,
3003 Corporate W Dr, Lisle, IL 60532
$126 room rate until 8/13

Event run by the organizers of the Chicago Summer Open, King Registration and Wilson Chess

6 Sections - Open, U2100, and U1900 sections are FIDE Rated

Top section Norms possible!!! 

Open section: 9SS G/90;+30 sec. (5-day)
Other sections: 7SS G/90;+ 30 sec. US Chess Rated (4-day, 3-day, and 2-day schedules)

Also Sunday Night Blitz (see below)

$15,000 Prize Fund
including $500 in door prizes for ICA members
80 US Chess Enhanced Grand Prix Points

Register at https://www.kingregistration.com/event/ilopen26

Open (FIDE Rated): $1600 — $800 — $600 — $400
Under 2100 (FIDE Rated): $1200 — $700 — $400 — 300
Under 1900 (FIDE Rated): $1200 — $700 — $400 — 300
Under 1700: $1000 — $600 — $400 — $200
Under 1500: $1000 — $600 — $400 — $200
Under 1300: $600 — $400 — $300 — $200

Unrateds may not win more than $200 in U1300, $250, $300 in U1700, or $350 in U1900.

Minimum Prize Guarantee for foreign GM's, IM's (must register by 8/13 and play all 9 rounds to qualify):
Foreign GM's = $600
Foreign IM's = $300

Entry Fee:

• $120 online by 8/13
• $130 online by 8/27
• $140 online by 9/2 - Open Section
• $140 online by 9/2 - All other sections
• $160 after that or onsite
  • $5 discount for ICA members
  • Become an ICA member - Here
• GMs/WGMs and all IL FIDE titled players (FM/WFM and above) free entry. Online registration should recognize title.
• Out of state IMs $50 off.
• You may play up one section up to U2100 for $25 extra. Must be at within 200 points of next section.
• Play up unto Open $220 anyone below 2100 US Chess and below 2000 FIDE.
• Entries later than 30 minutes before round 1 of any schedule receive 1/2-point bye for round 1.
• 1/2 point byes OK all rounds, must commit by end of round 2 (maximum 2)
• Reentry available for $60 (no Open to Open).
• Default time is 1 hour.

5-day Schedule (Open only): G/90;+30 second increment

• Thursday 7:00pm
• Friday 2:00pm, 7:00pm
• Saturday 10:00am, 4:00pm
• Sunday 10:00am, 3:00pm
• Monday 10:00am, 3:00pm

4-day Schedule: G/90;+30 second increment

• Friday 7:00pm
• Saturday 10:00am, 4:00pm
• Sunday 10:00am, 3:00pm
• Monday 10:00am, 3:00pm

3-day Schedule: 1st two games G/60;d10, then merges with 4-day schedule

• Saturday (G/60;d10) 10:00am, 1:00pm
• Saturday (G/90;+30) 4:00pm
• Sunday (G/90;+30) 10:00am, 3:00pm
• Monday (G/90;+30) 10:00am, 3:00pm

2-day Schedule: 1st four games G/30;d5, then merges with 4-day schedule

• Sunday (G/30;d5) 9:00am, 10:30am, 12:00pm, 1:30pm
• Sunday (G/90;+30) 3:00pm
• Monday (G/90;+30) 10:00am, 3:00pm

Other information: Boards, sets, and clocks provided
For more information: https://www.kingregistration.com/event/ilopen26

Sunday Night Blitz!
7:30pm September 6th
4 double rounds (one as white/one as black) at G/3;+2

PRIZES!
1st - $150
2nd - $90
1st Under 2100 - $70
1st Under 1900 - $70
1st Under 1700 - $60
1st Under 1500 - $50
1st Under 1300 (or Unrated) - $40
1st Under 900 - $40

Entry Fee: GMs free, $25 by 9/5, $30 after that or onsite
One bye available (any round)
Register online at https://www.kingregistration.com/event/ilopenblitz26 or onsite by 7:15pm