Event Overview
2027 Cornerstone Chess Winter Classic – Irvine
January 30 - 31, 2027
Back Bay Conference Center
3415 Michelson Dr, Irvine, CA 92612
OPEN • U2000 • U1700 • U1400 • U1000
6 Rounds • G/60+30
REGISTRATION
Open Section, Under 2000, Under 1700:
$100 — Special Early Entry until December 1, 2026
$110 — Advance Entry until January 1, 2027
$120 — Standard Entry through January 24, 2027
$130 — Late Entry after January 24, 2027
Under 1400:
$60 — Special Early Entry until December 1, 2026
$65 — Advance Entry until January 1, 2027
$70 — Standard Entry through January 24, 2027
$75 — Late Entry after January 24, 2027
Under 1000:
$50 — Special Early Entry until December 1, 2026
$55 — Advance Entry until January 1, 2027
$60 — Standard Entry through January 24, 2027
$65 — Late Entry after January 24, 2027
GM / IM / WGM — FREE ENTRY if under 2400 FIDE Classical
Registration Deadline: Saturday 1/30 at 9:00 AM
Register by 9:00 AM to be paired for Round 1. Registrations after 9:00 AM will receive a ½-point bye for Round 1.
MAIN EVENT & BLITZ REGISTRATION
PRIZES
$5000 (Based on 175 Main Event Entries)
Open (FIDE): $1150 - $700 - $450 - U2200 $200
U2000 (FIDE): $750 - $450 - $300
U1700: $500 - $300 - $200
U1400: Trophies for top 5.
U1000: Trophies for top 3.
SECTIONS
RATING ELIGIBILITY
Playing Up: Players may use their live USCF Regular rating to be eligible for a higher section. Pairings will use the January 2027 supplement. Players can pay a $100 fee to play up one section only.
OPEN — 2000+
FIDE & USCF Rated • G/60+30
Open to players rated 2000+. Players rated 1900–1999 are eligible to play up for the additional fee.
Players must be under 2400 FIDE Classical. There is no USCF maximum.
U2000 — UNDER 2000
FIDE & USCF Rated • G/60+30
Open to players rated 1700-1999. Players rated 1600–1699 are eligible to play up for the additional fee.
Players below 1600 with a FIDE Classical rating are eligible play in U2000.
U1700 — UNDER 1700 & UNRATED
USCF Rated Only • G/60+30
Open to players rated 1400-1699. Players rated 1300–1399 are eligible to play up for the additional fee.
U1400 — UNDER 1400 & UNRATED
USCF Rated Only • G/60+30
Open to players rated 1000-1399.
Players with a FIDE Classical rating are not eligible.
U1000 — UNDER 1000 & UNRATED
USCF Rated Only • G/60+30
Open to players rated under 1000.
Players with a FIDE Classical rating are not eligible.
SCHEDULE
OPEN • U2000 • U1700 • U1400 • U1000: 1 game per round
SATURDAY — JANUARY 30
Round 1 — 10:00 AM
Round 2 — 1:30 PM
Round 3 — 5:00 PM
SUNDAY — JANUARY 31
Round 4 — 10:00 AM
Round 5 — 1:30 PM
Round 6 — 5:00 PM
PLAYER INFORMATION
Players must bring their own board, pieces, and digital chess clock.
Scoresheets and pens are provided. Players in non-FIDE rated sections may bring their own scoresheet if they prefer.
Players in FIDE-rated sections must submit the WHITE COPY after each game.
BYES & WITHDRAWALS
Byes: Up to 2 half-point byes may be requested. Other byes will be 0-points. All bye requests are irrevocable and must be made before round 3.
Withdrawals: Notify the Tournament Director before the next round is paired.
NEED A USA FIDE ID?
REFUNDS
Refunds are available through January 29, 2027, with a $50 administrative fee.
No refunds beginning January 30, 2027.
SATURDAY NIGHT BLITZ
MAIN EVENT & BLITZ REGISTRATION
SATURDAY 1/30 — $10 Entry until January 1. $25 Entry after.
Main Event participation is not required. Pairings and section eligibility based on published USCF regular rating. Prizes only for Open section.
G/3+2 • 5 Double Rounds • 10 Games
Registration Deadline — 8:00 PM
Required Check-In — By 8:15 PM
Round 1 Starts — 8:30 PM
Players must check in by 8:15 PM to be paired.
Game 1 starts at the scheduled time. Game 2 starts as soon as possible after Game 1.
Players rated under 1600 and unrated players may choose to play in either the U1600 or Open section.
OPEN
FIDE & USCF Rated • All Ratings
No maximum rating.
PRIZES (B/25)
1st: $150
2nd: $90
3rd: $60
U1600
USCF Rated Only • Under 1600 & Unrated
BEST GAME
Submit a Main Event classical game.
One submission per player.
TOP 3 GAMES
The Top 3 Games will each receive a:
1-Month Diamond Membership
PARKING & HOTEL
Back Bay Conference Center
3415 Michelson Dr, Irvine, CA 92612
Parking — Completely Free, big lot for the building.
Hotels: Many hotels within 1-2 miles: Hilton Irvine, Residence Inn, Hyatt Regency, AC Marriot
CONTACT
Tournament Director: Jake Nemeth
[email protected], (949) 554-4539
Organizers: Paris Prestia & Derek Wu
Paris Prestia: [email protected], (631) 469-2886
Derek Wu: [email protected], (205) 835-5861
3415 Michelson Dr
Irvine, CA 92612
United States
