Neanderthal September 3x3

Neanderthal September 3x3

Open Sans Prix

Saturday, September 26th, 2026

Signature 222 South Prospect, Floor R, Park Ridge, IL 60068

US Chess Membership: Required, please obtain before the event. Discounted scholastic (ages 5-18) memberships are available at cavechess.cc/voucher. Free US Chess membership to Park Ridge students (ages 5-18).

3 Sections: Gold (1800 and up), Silver U1800 (1400 - 1799), and Bronze U1400 (below 1400). Play-up fee: $20.

Rounds/Style: 3-round Swiss System

No tournament check-in at the site is needed. Just verify your registration online before the tournament. If there are issues that require making changes to your registration, please visit cavechess.cc/change.

Time Control & Schedule: G/45; +5

Round 1 is at 10:00 AM

Round 2 is at 1:00 PM

Round 3 is at 3:00 PM

Registration & Entry Fee:

• Register online at cavechess.cc/orc
• $5 for Subscribers until 9/19
• $10 Non-Subscribers until 9/19
• $5 late fee for either
• Registration ends one hour before Round 1.
• No entries onsite, online entries only.

Byes: One ½-point bye available for any round, committed by the end of round 1. No byes may be added or rescinded after round 1.

Chess Equipment: Boards, sets, and clocks provided by Caveman Chess, LLC.

Parking: Free parking. Visitors' parking behind the building and the SW corner lot @ Garden & S. Fairview Streets, also street parking.

Ratings: September supplement. All sections are US Chess-rated.

Questions: Click here to show mail address

Watch for additional information on upcoming events at

1. https://www.cavemanchess.com/new-events

2. Caveman Chess Registration at https://register.cavemanchess.com