CChessStats

2026 Ottawa March Open

Open SwissStandard

26 players participated in this 5-round tournament, held from 27 Feb 2026 to 01 Mar 2026 in Ottawa, Canada. 6 titled players from 3 federations. Top 10 Elo average was 2177, and top seed was Bator Sambuev (🇨🇦 CAN, GM, 2541).

Bator Sambuev (🇨🇦 CAN, GM, 2541) won with 4.0/5, ahead of Marc Nassar (4.0) and Laurian Draghici (4.0). Sambuev won on tie-break after catching the field in the final round.

The biggest upset came in round 1: Edison Wang (1732) beat Armando Valdizon (2247), a +515-point gap.

Location
🇨🇦Ottawa, Canada
Dates
27 Feb 2026 → 01 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇦GMBator Sambuev2541
Avg top 10
2,177
Participants
26
Titled players · 6
GM×1
IM×1
FM×1
CM×2
WCM×1
Federations · 3 represented
🇨🇦Canada×24
🇱🇧Lebanon×1
🇷🇴Romania×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 3 players tied at 4.0/5, decided on Buchholz.

Co-leaders
9
3
1
1
3
1.52.545R1R2R3R4R5
Nassar4Draghici4Sambuev4Iordanescu3.5Azar3.5Chiku-Ratte3.5
R5 · TIEBREAK CLUSTER

3 players finish on 4.0/5. Sambuev takes the title on Buchholz Cut1 (11.5).

R2–R5 · WIN STREAK

GM Bator Sambuev won 4 in a row (R2–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Marc Nassar*——
½
2Laurian Draghici—*—
½
3GMBator Sambuev——*—
4Victor Nicolae Iordanescu
½
½
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Sambuev, BatorGM2541CAN−9N+19N+16B+7B+6N4.011.513.010.002319-3.1
2Nassar, Marc2070LBN+20N=11B+14N=4B+13N4.011.012.59.502222+38.4
3Draghici, Laurian2370ROU=24N+18B=4N+8B+15N4.011.011.59.502135+142.8
4Iordanescu, Victor Nicolae1968CAN+21B+22N=3B=2N=5B3.513.014.08.251970-0.4
5Azar, Sebastien2015CAN+12N=7B+11N=6B=4N3.512.515.010.002136+15.6
6Chiku-Ratte, Olivier-KentaIM2502CAN+26B+16N+17B=5N−1B3.511.512.06.252203-4.4
7Vu, Huy Minh1836CAN+23B=5N=15B−1N+17B3.012.013.06.002152+54.8
8Qi, Jason0CAN−17B+10N+26B−3N+16B3.011.011.55.501909+18.4
9Pelev, Iassen2155CAN+1B−17N=22B+19N=14N3.010.011.07.252098+22.2
10Zhu, Elber1848CAN−11N−8B+20N+25B+18N3.09.09.54.001939+2.4
11Fiset, Anais ChloeWCM1747CAN+10B=2N−5B−16N+19B2.512.514.06.501924+37.6
12Latreille, Etienne1950CAN−5B+23N=13N−14B+20B2.510.011.03.752000+10.6
13Valdizon, Armando2247CAN−16B+21N=12B+22N−2B2.510.011.03.751861-30.2
14Moses, NeilFM1829CANF+25N−2B+12N=9B2.510.010.04.501996-38.8
15Guillemette, HugoCM1755CANF+24B=7N+17N−3B2.59.59.54.002065-24.8
16Wang, Edison1732CAN+13N−6B−1N+11B−8N2.013.015.55.001998+15.6
17Rousskikh, Maxim1774CAN+8N+9B−6N−15B−7N2.012.515.06.001973-5.2
18Berube, Maximilien1747CAN=19B−3N=25B+21N−10B2.010.010.52.501758-65.6
19Duval, Mathieu1898CAN=18N−1B+24N−9B−11N1.511.512.01.501876-4.4
20Tan, Shuwen1712CAN−2B=26N−10B+24B−12N1.510.010.50.751801-2.0
21Hong, Zihan1759CAN−4N−13B+23N−18B=22B1.59.010.01.501793-19.2
22Filion, Samuel1777CANF−4B=9N−13B=21N1.010.510.52.251776+5.2
23Couture, Jonathan1756CAN−7N−12B−21BF+25N1.07.57.50.501700-15.6
24Xu, Zhihan (samuel)CM1313CAN=3B−15N−19B−20NF0.59.59.52.001583-96.9
25Sun, Jonathan1495CANF−14B=18N−10N−23B0.58.58.51.001685-34.8
26Huang, Patrick L.1954CAN−6N=20B−8NFF0.58.08.00.751697-13.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets