CChessStats

2025 Halifax Christmas Chess Festival - Open Championship

Open SwissStandard

12 players participated in this 5-round tournament, held from 13 Dec 2025 to 14 Dec 2025 in Halifax, NS, Canada. 1 titled players from 4 federations. Top 10 Elo average was 1606, and top seed was Calix Marchand (🇨🇦 CAN, FM, 2115).

Calix Marchand (🇨🇦 CAN, FM, 2115) won with 5.0/5, ahead of P Karthikeyan (3.5) and Alice Yancey (3.0). Marchand won solo starting round 3.

The biggest upset came in round 1: Han Zhang (1449) beat Elon Lau (1719), a +270-point gap.

Location
🇨🇦Halifax, NS, Canada
Dates
13 Dec 2025 → 14 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇦FMCalix Marchand2115
Avg top 10
1,606
Participants
12
Titled players · 1
FM×1
Federations · 4 represented
🇨🇦Canada×9
🇮🇳India×1
🇩🇰Denmark×1
🇩🇪Germany×1
Top 3

How it unfolded

Top 6 · 5 rounds

FM Calix Marchand led from R3; +1.5-point edge over the runner-up.

Co-leaders
6
3
1
1
1
1.52.545R1R2R3R4R5
R3–R5 · LEAD HELD

FM Calix Marchand never relinquished the lead after R3; final gap +1.5 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

FM Calix Marchand beat P Karthikeyan (Black).

R1–R5 · WIN STREAK

FM Calix Marchand won 5 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Marchand, CalixFM2115CAN+7N+9B+2N+3B+5N5.010.512.012.002588+23.6
2Karthikeyan, P1995IND+4B+5N1B+7N=3N3.513.515.08.501948-3.8
3Yancey, Alice1723CAN+8N+11B=9N1N=2B3.011.513.05.501856+24.0
4Rasmussen, Noah Kirkegaard1869DEN2N+6B+8N5B+10N3.09.511.05.001796-14.4
5Fillmore, Louis1700CAN+6B2B=11N+4N1B2.513.515.05.751863+19.6
6Singh, Agamnoor0CAN5N4NF+8B+7B2.08.58.53.0016860.0
7Agam, Aakash0CAN1B=12N+10B2B6N1.512.012.51.7517770.0
8Wolf, Moritz1864GER3B=10N4B6N+12N1.59.510.01.251648-46.8
9Zhang, Han1449CAN+12B1N=3BFF1.58.58.52.001764+43.2
10Sharma, Kaven1625CAN11N=8B7N+12B4B1.57.58.01.251817+29.2
11Robitaille, Samuel0CAN+10B3N=5BFF1.57.07.02.7516840.0
12Lau, Elon1719CAN9N=7BF10N8B0.56.06.00.75846-70.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets