2025 Chicago Summer Open

2025 Chicago Summer Open

June 20th - 22nd, 2025

Hyatt Regency Schaumburg $139 room rate until 6/4. See the event page for reservation link.

6 Sections - Major and U2100 sections are FIDE rated 2 playing schedules (3-day or 2-day)

$10,000 in prizes guaranteed - 50 US Chess Enhanced Grand Prix points

Register at https://www.kingregistration.com/event/Chisummeropen25

Also Saturday Night Blitz (see below)

Sections and Prizes:

• Major (FIDE rated): $1200 - $600 - $400 - $200
• Under 2100 (FIDE rated): $1000 - $500 - $300 - $200
• Under 1900: $1000 — $500 — $300 — $200
• Under 1700: $800 — $400 — $200 — $150
• Under 1500: $600 — $300 — $200 — $100
• Under 1300: $400 — $200 — $150 — $100

Unrateds may not win more than $100 in U1300, $150 in U1500, $200 in U1700, $250 in U1900, or $300 in U2100.

Entry Fees:

• $95 online by 6/5
• $105 online by 6/19
• $115 after that or onsite
• GMs/WGMs free entry. IMs $50 off. Online registration should recognize title.
• 3-day onsite entries after 6:30pm Friday receive ½-point bye for round 1
• 2-day onsite entries after 9:30am Saturday receive ½-point bye for round 1
• You may play up one section for $20 extra. Must be at least 1100 to play up into U1500.
• 1/2 point byes OK all rounds, must commit by end of round 2 (maximum 2)
• Reentry available for $45
• Default time is 1 hour

Time Controls and Playing Schedule:

• 3-Day: G/90;+30 second increment Friday: 7:00 p.m. Saturday: 10:00 a.m., 4:00 p.m. Sunday: 10:00 a.m., 3:00 p.m.  
• 2-day: 1st two games G/60;d10, then merges with 3-day schedule Saturday (G/60;d10): 10:00 a.m., 1:00 p.m Saturday (G/90;+30): 4:00 p.m Sunday (G/90;+30): 10:00 a.m., 3:00 p.m.

Register online at https://www.kingregistration.com/event/Chisummeropen25

Boards, sets, and clocks provided Refunds are subject to $15 processing fee Latest updates and corrections posted at https://www.kingregistration.com/event/Chisummeropen25

Saturday Night Blitz!

9:00 p.m. 6/21 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

ENTRY FEE: GMs free, $20 by 6/20, $25 after that or onsite

One bye available (any round)

Register online at https://www.kingregistration.com/event/chisummerblitz25 or onsite by 8:30pm  

For the Individual Summer Scholastic on Saturday June 21 see https://www.kingregistration.com/event/summerschol25.