Standard / Classic -- December -- World
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3-8 December 2026 // Sant Boi de Llobregat (Barcelona), Spain
El Llobregat Open Chess Tournament
Official Website: elllobregat.com
Prize Fund: 25.000 Euro
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12-22 December 2026 // Sitges, Spain
Sunway Sitges Chess Festival
Official Website: sunwaychessfestival.com
HomeOffice: 16:30 h (local time)
Prize Fund: ~ 30.050 Euro
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26-30 December 2026 // Zurich, Switzerland
Christmas Tournament // (+ Blitz + Rapid)
Official Website: weihnachtsopen.ch
Prize Fund: ~ 18.500 CHF
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2025
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1-8 December 2025 // Roma, Italy
Roma Citta Aperta
Official Website: romacittaperta.com
Prize Fund: ~ 11.000 Euro
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4-12 December 2025 // Tashkent, Uzbekistan
President Cup
Info: calendar.fide.com
Prize Fund: ~ 80 000 USD
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5-11 December 2025 // Yerevan, Armenia
Yerevan Open
Info: yerevanchessfed.com
Prize Fund: ~ 28.900 Euro -- 12.000.000 AMD
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5-12 December 2025 // Vega de San Mateo, Gran Canaria, Spain
Torneo International Vega de San Mateo
Info: grancanariaajedrez.es
Prize Fund: ~ 9.150 Euro
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5-8 December 2025 // Irun, Spain
International Chess Open City of Irun
Tournament Website: openciudadirun.com
Prize Fund: ~ 6.000 Euro
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12-20 December 2025 // Selce, Croatia
Crikvenica Open
Info: chess-results.com
Prize Fund: ~ 8.000 Euro
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13-19 December 2025 // Wroclaw, Poland
Wroclaw Chess Festival
Tournament Website: wroclawchessfestival.pl
Prize Fund: ~ 11.800 Euro ~ 50.000 PLN
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18-21 December 2025 // Dubrovnik, Croatia
Dubrovnik Advent Open
Info: skdubrovnik.hr
Prize Fund: 7.000 Euro
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21-30 December 2025 // Groningen, Netherlands
Chess Festival Groningen
Official Website: chessfestival.nl
Prize Fund: ~ 9.550 Euro
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24-31 December 2025 // Madurai, India
AOE International Grandmaster Open Chess Tournament
Info: ananthichessacademy.com
Prize Fund: ~ 56.000 USD -- 48,00,000 INR
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26-30 December 2025 // Basel, Switzerland
Basel Christmas Chess Festival
Official Website: schachfestivalbasel.com
Prize Fund: ~ 14.000 CHF
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26-30 December 2025 // Bois-Colombes (near Paris, France)
Bois-Colombes Chess Master
Official Website: bccm-bois-colombes-echecs.com
Prize Fund: ~ 8.000 Euro
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26-30 December 2025 // Tours, France
Festival International d'Echecs de Tours
Info: echecs.asso.fr
Prize Fund: ~ 6.500 Euro
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26-30 December 2025 // Alcorcon, Spain
Festival de Navidad Open Internacional Ajedrez Diagonal Alcorcon
Info: chess-results.com
Prize Fund: ~ 4.000 Euro
.pdf December 26-30 - International Open
.pdf December 26-30 - Closed for IM rules
.pdf January 4 - Rapid Open
.pdf Diagonal Alcorcon Christmas Festival (all 3 tournaments)
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26-28 December 2025 // Lorca (Region of Murcia), Spain
Festival International De Ajedrez De Lorca
T-Website: clubajedrezlorca.com/torneo
Prize Fund: ~ 5.000 Euro
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26-30 December 2025 // Las Vegas, United States
North American Open
Info: chesstour.com // new.uschess.org
Prize Fund: ~ 130.000 USD
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26-29 December 2025 // Arlington, Virginia, USA
Eastern Open
Info: new.uschess.org
Prize Fund: ~ 30.000 USD
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27–30 December 2025 // Bremen, Germany
Bremer Silvester Open
Official Website: imperialchess.org
Prize Fund: ~ 2.850 Euro
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27-31 December 2025 // Bialystok, Poland
Memorial Zamenhofa
T-Website: stoczek45.pl/zamenhof.html
Prize Fund: ~ 23.500 Euro -- ~ 100.000 PLN
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27-3 December/January 2025/2026 // Palmanova, Italy
Festival Citta di Palmanova
T-Website: palmascacchi.it
Prize Fund: ~ 7.500 Euro
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27-5 December/January 2025-2026 // Stockholm, Sweden
Rilton Cup
Official Website: rilton.se
Prize Fund: ~ 18.000 Euro -- ~ 200.000 SEK
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27-30 December 2025 // Karlstadt, Sweden
Karlstadt Open
Official Website: karlstadopen.se
Prize Fund: ~ ~ 2.900 Euro -- 32.000 SEK
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27-4 December/January 2025/2026 // Krakow, Poland
International Chess Festival "Cracovia"
T-Website: cracoviachess.net
Prize Fund: ~ 17.500 Euro ~ 75.000 PLN
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28-2/4 December-January 2025/2026 // Hastings, England
Caplin Hastings Congress
Official Website: hastingschess.com
Prize Fund: ? (First prize: £2,500)
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3-8 December 2026 // Sant Boi de Llobregat (Barcelona), Spain
El Llobregat Open Chess Tournament
Official Website: elllobregat.com
Prize Fund: 25.000 Euro
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12-22 December 2026 // Sitges, Spain
Sunway Sitges Chess Festival
Official Website: sunwaychessfestival.com
HomeOffice: 16:30 h (local time)
Prize Fund: ~ 30.050 Euro
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26-30 December 2026 // Zurich, Switzerland
Christmas Tournament // (+ Blitz + Rapid)
Official Website: weihnachtsopen.ch
Prize Fund: ~ 18.500 CHF
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2025
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1-8 December 2025 // Roma, Italy
Roma Citta Aperta
Official Website: romacittaperta.com
Prize Fund: ~ 11.000 Euro
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4-12 December 2025 // Tashkent, Uzbekistan
President Cup
Info: calendar.fide.com
Prize Fund: ~ 80 000 USD
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5-11 December 2025 // Yerevan, Armenia
Yerevan Open
Info: yerevanchessfed.com
Prize Fund: ~ 28.900 Euro -- 12.000.000 AMD
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5-12 December 2025 // Vega de San Mateo, Gran Canaria, Spain
Torneo International Vega de San Mateo
Info: grancanariaajedrez.es
Prize Fund: ~ 9.150 Euro
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5-8 December 2025 // Irun, Spain
International Chess Open City of Irun
Tournament Website: openciudadirun.com
Prize Fund: ~ 6.000 Euro
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12-20 December 2025 // Selce, Croatia
Crikvenica Open
Info: chess-results.com
Prize Fund: ~ 8.000 Euro
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13-19 December 2025 // Wroclaw, Poland
Wroclaw Chess Festival
Tournament Website: wroclawchessfestival.pl
Prize Fund: ~ 11.800 Euro ~ 50.000 PLN
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18-21 December 2025 // Dubrovnik, Croatia
Dubrovnik Advent Open
Info: skdubrovnik.hr
Prize Fund: 7.000 Euro
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21-30 December 2025 // Groningen, Netherlands
Chess Festival Groningen
Official Website: chessfestival.nl
Prize Fund: ~ 9.550 Euro
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24-31 December 2025 // Madurai, India
AOE International Grandmaster Open Chess Tournament
Info: ananthichessacademy.com
Prize Fund: ~ 56.000 USD -- 48,00,000 INR
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26-30 December 2025 // Basel, Switzerland
Basel Christmas Chess Festival
Official Website: schachfestivalbasel.com
Prize Fund: ~ 14.000 CHF
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26-30 December 2025 // Bois-Colombes (near Paris, France)
Bois-Colombes Chess Master
Official Website: bccm-bois-colombes-echecs.com
Prize Fund: ~ 8.000 Euro
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26-30 December 2025 // Tours, France
Festival International d'Echecs de Tours
Info: echecs.asso.fr
Prize Fund: ~ 6.500 Euro
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26-30 December 2025 // Alcorcon, Spain
Festival de Navidad Open Internacional Ajedrez Diagonal Alcorcon
Info: chess-results.com
Prize Fund: ~ 4.000 Euro
.pdf December 26-30 - International Open
.pdf December 26-30 - Closed for IM rules
.pdf January 4 - Rapid Open
.pdf Diagonal Alcorcon Christmas Festival (all 3 tournaments)
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26-28 December 2025 // Lorca (Region of Murcia), Spain
Festival International De Ajedrez De Lorca
T-Website: clubajedrezlorca.com/torneo
Prize Fund: ~ 5.000 Euro
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26-30 December 2025 // Las Vegas, United States
North American Open
Info: chesstour.com // new.uschess.org
Prize Fund: ~ 130.000 USD
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26-29 December 2025 // Arlington, Virginia, USA
Eastern Open
Info: new.uschess.org
Prize Fund: ~ 30.000 USD
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27–30 December 2025 // Bremen, Germany
Bremer Silvester Open
Official Website: imperialchess.org
Prize Fund: ~ 2.850 Euro
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27-31 December 2025 // Bialystok, Poland
Memorial Zamenhofa
T-Website: stoczek45.pl/zamenhof.html
Prize Fund: ~ 23.500 Euro -- ~ 100.000 PLN
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27-3 December/January 2025/2026 // Palmanova, Italy
Festival Citta di Palmanova
T-Website: palmascacchi.it
Prize Fund: ~ 7.500 Euro
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27-5 December/January 2025-2026 // Stockholm, Sweden
Rilton Cup
Official Website: rilton.se
Prize Fund: ~ 18.000 Euro -- ~ 200.000 SEK
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27-30 December 2025 // Karlstadt, Sweden
Karlstadt Open
Official Website: karlstadopen.se
Prize Fund: ~ ~ 2.900 Euro -- 32.000 SEK
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27-4 December/January 2025/2026 // Krakow, Poland
International Chess Festival "Cracovia"
T-Website: cracoviachess.net
Prize Fund: ~ 17.500 Euro ~ 75.000 PLN
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28-2/4 December-January 2025/2026 // Hastings, England
Caplin Hastings Congress
Official Website: hastingschess.com
Prize Fund: ? (First prize: £2,500)