CChessStats

2025 CCC U1800 (FIDE) Open (Summer)

Open SwissStandard

26 players participated in this 5-round tournament, held on 19 Jul 2025 in Calgary, Canada. Top 10 Elo average was 1644, and top seed was Hien Son Tran (🇨🇦 CAN, 1832).

Sylvester Oluoha (🇨🇦 CAN, 0) won with 4.5/5, ahead of Nathaniel Agyenim-Boateng (4.0) and Daniel Gao (4.0). Oluoha clinched sole first place in the final round.

The biggest upset came in round 4: Nathaniel Agyenim-Boateng (1237) beat Hien Son Tran (1832), a +595-point gap.

Location
🇨🇦Calgary, Canada
Dates
19 Jul 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇦Hien Son Tran1832
Avg top 10
1,644
Participants
26
Federations · 1 represented
🇨🇦Canada×25
Top 3

How it unfolded

Top 6 · 5 rounds

Sylvester Oluoha led from R5; +0.5-point edge over the runner-up.

Co-leaders
11
4
2
1
1
1.52.545R1R2R3R4R5Oluoha takes lead
Oluoha4.5Tang4Agyenim-Boateng4Gao4Dunn3.5Bull3
R5 · LEADER CHANGE19 Jul

Sylvester Oluoha takes the sole lead (4.5/5).

WIN STREAKS · 2 top finishers

Sylvester Oluoha 3 wins (R3–R5)Nathaniel Agyenim-Boateng 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Sylvester Oluoha*——
1
2Wei Tang—*——
3Nathaniel Agyenim-Boateng——*—
4Daniel Gao
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Oluoha, Sylvester0CAN+18N=15B+5N+12B+3N4.512.014.013.0017130.0
2Agyenim-Boateng, Nathaniel1237CAN+9B−6N+19B+7N+8B4.012.014.011.001817+44.4
3Gao, Daniel1672CAN+22B+16N+11B+6N−1B4.012.013.59.0017800.0
4Tang, Wei1600CAN=13B+23B=15N+16N+6B4.09.511.08.7516890.0
5Dunn, Garth1758CAN+19B=17N−1B+13N+11B3.511.513.58.001936+23.4
6Delloro, Therense1636CAN+10N+2B+12N−3B−4N3.015.017.59.502406+35.6
7Tran, Hien Son1832CAN+24B−11N+9B−2B+17N3.011.512.05.501645+16.4
8Atwood, Matthew1190CAN+20N−12B+14N+15B−2N3.011.013.06.501540-6.6
9Thompson, David0CAN−2N+20B−7N+18B+15N3.011.013.06.001621+16.8
10Bull, James0CAN−6B+13N+17B=11N=12B3.010.512.57.001757+56.8
11Lai, Zhihui1744CAN+25N+7B−3N=10B−5N2.513.514.05.001649-26.0
12Lodhi, Talha1706CAN+26B+8N−6B−1N=10N2.513.513.54.501689+1.6
13Valdes, Javier1122CAN=4N−10B+21N−5B+23N2.512.514.05.501534-4.8
14Bautista, John Carlo1322CAN−16B+26N−8B=25N+22B2.57.07.01.7514560.0
15Sharma, Gagan0CAN+21B=1N=4B−8N−9B2.014.516.56.251423-46.4
16Tak, Simrat0CAN+14N−3B+18N−4BF2.012.514.54.502401+19.6
17Boyd, Doug1547CAN=23N=5B−10N+22N−7B2.011.012.54.001363-59.6
18Kapila, Jai0CAN−1B+24N−16B−9N+25B2.010.010.51.001423-28.8
19Havlik, Matej0CAN−5N+25B−2N+26BF2.010.010.00.5015390.0
20Shah, Arpit0CAN−8B−9N=24B=21N+26N2.08.58.51.2514350.0
21Yang, Peihong1361CAN−15N=22N−13B=20B+24N2.08.08.52.25836-23.6
22Zare, Nozhan1476CAN−3N=21B+23N−17B−14N1.510.512.02.5015410.0
23Dahlke, Zeth Matthew1472CAN=17B−4N−22B+24N−13B1.510.010.51.501408-8.8
24FIDE 26784030—−7N−18B=20N−23B−21B0.59.010.51.007350.0
25Fu, Logan1250CAN−11B−19NF=14B−18N0.59.09.01.25894-20.0
26Karabanov, Youri1465CAN−12N−14BF−19N−20B0.09.09.00.00875-4.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets