2025 Illinois Open & Blitz

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

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

4 Sections – Open and U2100 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 or 3-day schedules)

Also Saturday Night Blitz (see below)

$15,000 Prize Fund
including $1000 in door prizes for ICA members
60 US Chess Enhanced Grand Prix Points

Register at https://www.kingregistration.com/event/ilopen25

Open (FIDE Rated): $2000 — $1000 — $800 — $600 — $400
Under 2100 (FIDE Rated): $1500 — $900 — $500 — $400 — 300
Under 1700: $1300 — $700 — $450 — $400 — $300
Under 1300: $1000 — $500 — $400 — $300 — $250

Unrateds may not win more than $300 in U1300 or $400 in U1700.

Minimum Prize Guarantee for foreign GM’s, IM’s & WGM’s (must play all 9 rounds to qualify):
Foreign GM’s = $300
Foreign IM’s = $150

Entry Fee:

• $120 online by 8/1
• $130 online by 8/15
• $140 online by 8/27 – Open Section
• $140 online by 8/28 – 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

Other information: Boards, sets, and clocks provided
For more information: https://www.kingregistration.com/event/ilopen25

Sunday Night Blitz!
7:30pm August 31st
4 double rounds (one as white/one as black) at G/3;+2

PRIZES!
1st – $150
2nd – $100
1st Under 2100 – $80
1st Under 1900 – $70
1st Under 1700 – $70
1st Under 1500 – $60
1st Under 1300 (or Unrated) – $50

Entry Fee: GMs free, $25 by 8/30, $30 after that or onsite
One bye available (any round)
Register online at https://www.kingregistration.com/event/ilopenblitz25 or onsite by 7:15pm