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 (πŸ‡¨πŸ‡¦ CAN, GM, 2541).

Bator Sambuev (πŸ‡¨πŸ‡¦ 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
πŸ‡¨πŸ‡¦Ottawa, Canada
Dates
27 Feb 2026 β†’ 01 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 5 rounds
Top seed
πŸ‡¨πŸ‡¦GMBator Sambuev2541
Avg top 10
2,177
Participants
26
Titled players Β· 6
GMΓ—1
IMΓ—1
CMΓ—3
WCMΓ—1
Federations Β· 3 represented
πŸ‡¨πŸ‡¦CanadaΓ—24
πŸ‡±πŸ‡§LebanonΓ—1
πŸ‡·πŸ‡΄RomaniaΓ—1
Top 3
  • πŸ₯‡
    GMBator Sambuev
    πŸ‡¨πŸ‡¦CANΒ·2541
    4.0ptsΒ·2319perf-3.1
  • πŸ₯ˆ
    Marc Nassar
    πŸ‡±πŸ‡§LBNΒ·2070
    4.0ptsΒ·2222perf+38.4
  • πŸ₯‰
    Laurian Draghici
    πŸ‡·πŸ‡΄ROUΒ·2370
    4.0ptsΒ·2135perf+142.8

How it unfolded

Top 6 Β· 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 Β· TIEBREAK CLUSTER

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

R2–R5 Β· WIN STREAK

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

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Marc Nassar*β€”β€”
Β½
2Laurian Draghiciβ€”*β€”
Β½
3GMBator Sambuevβ€”β€”*β€”
4Victor Nicolae Iordanescu
Β½
Β½
β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Sambuev, BatorGM2541CANβˆ’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=5Nβˆ’1B3.511.512.06.252203-4.4
7Vu, Huy Minh1836CAN+23B=5N=15Bβˆ’1N+17B3.012.013.06.002152+54.8
8Qi, Jason0CANβˆ’17B+10N+26Bβˆ’3N+16B3.011.011.55.501909+18.4
9Pelev, Iassen2155CAN+1Bβˆ’17N=22B+19N=14N3.010.011.07.252098+22.2
10Zhu, Elber1848CANβˆ’11Nβˆ’8B+20N+25B+18N3.09.09.54.001939+2.4
11Fiset, Anais ChloeWCM1747CAN+10B=2Nβˆ’5Bβˆ’16N+19B2.512.514.06.501924+37.6
12Latreille, Etienne1950CANβˆ’5B+23N=13Nβˆ’14B+20B2.510.011.03.752000+10.6
13Valdizon, Armando2247CANβˆ’16B+21N=12B+22Nβˆ’2B2.510.011.03.751861-30.2
14Moses, NeilCM1829CANF+25Nβˆ’2B+12N=9B2.510.010.04.501996-38.8
15Guillemette, HugoCM1755CANF+24B=7N+17Nβˆ’3B2.59.59.54.002065-24.8
16Wang, Edison1732CAN+13Nβˆ’6Bβˆ’1N+11Bβˆ’8N2.013.015.55.001998+15.6
17Rousskikh, Maxim1774CAN+8N+9Bβˆ’6Nβˆ’15Bβˆ’7N2.012.515.06.001973-5.2
18Berube, Maximilien1747CAN=19Bβˆ’3N=25B+21Nβˆ’10B2.010.010.52.501758-65.6
19Duval, Mathieu1898CAN=18Nβˆ’1B+24Nβˆ’9Bβˆ’11N1.511.512.01.501876-4.4
20Tan, Shuwen1712CANβˆ’2B=26Nβˆ’10B+24Bβˆ’12N1.510.010.50.751801-2.0
21Hong, Zihan1759CANβˆ’4Nβˆ’13B+23Nβˆ’18B=22B1.59.010.01.501793-19.2
22Filion, Samuel1777CANFβˆ’4B=9Nβˆ’13B=21N1.010.510.52.251776+5.2
23Couture, Jonathan1756CANβˆ’7Nβˆ’12Bβˆ’21BF+25N1.07.57.50.501700-15.6
24Xu, Zhihan (samuel)CM1313CAN=3Bβˆ’15Nβˆ’19Bβˆ’20NF0.59.59.52.001583-96.9
25Sun, Jonathan1495CANFβˆ’14B=18Nβˆ’10Nβˆ’23B0.58.58.51.001685-34.8
26Huang, Patrick L.1954CANβˆ’6N=20Bβˆ’8NFF0.58.08.00.751697-13.2

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2026 Ottawa March Open β€” Ottawa, Canada | Chess Tournament Results | ChessStats