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2025 National Qualifiers B

Open SwissStandard

20 players participated in this 5-round tournament, held from 13 Nov 2025 to 17 Nov 2025 in Singapore, Singapore. Top 10 Elo average was 1800, and top seed was Hong Ming Teo (🇸🇬 SGP, 1966).

Jing Xi Jonathan Lee (🇸🇬 SGP, 1908) won with 4.0/5, ahead of Hong Ming Teo (3.5) and Yen-Hsiu Elliot Wong (3.5). Lee won solo starting round 4.

The biggest upset came in round 3: Judith Supatra Sophie (1507) beat Hong Ming Teo (1966), a +459-point gap.

Location
🇸🇬Singapore, Singapore
Dates
13 Nov 2025 → 17 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇸🇬Hong Ming Teo1966
Avg top 10
1,800
Participants
20
Federations · 1 represented
🇸🇬Singapore×20
Top 3

How it unfolded

Top 6 · 5 rounds

Jing Xi Jonathan Lee led from R4; +0.5-point edge over the runner-up.

Co-leaders
8
3
2
1
1
1.52.545R1R2R3R4R5
R4–R5 · LEAD HELD

Jing Xi Jonathan Lee held the sole lead from R4 through R5 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Jing Xi Jonathan Lee drew with Yen-Hsiu Elliot Wong (White).

R1–R5 · UNBEATEN

Jing Xi Jonathan Lee went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jing Xi Jonathan Lee*
½
½
—
2Yen-Hsiu Elliot Wong
½
*
0
—
3Hong Ming Teo
½
1
*—
4Chee Heng Jayden Cheng———*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Lee, Jing Xi Jonathan1908SGP+15B+11N=3B+4N=2B4.012.514.010.501968+19.6
2Teo, Hong Ming1966SGP+10B+12N−4B+3N=1N3.513.515.510.501901-5.0
3Wong, Yen-Hsiu Elliot1911SGP+16N+14B=1N−2B+5N3.512.513.58.001937+10.0
4Sophie, Judith Supatra1507SGPF+5B+2N−1B+6N3.013.513.59.501997+90.4
5Yu, Bei Hao1784SGP+7B−4N+13B+8N−3B3.012.514.58.001780+0.8
6Sun, Leran1602SGP+8B−13N+12B+9N−4B3.011.013.08.001763+44.0
7Tobin, Paul Nicholas1626SGP−5N+10N−15B+16B+13N3.09.510.56.001764+19.0
8Teo, Hong Kai Javier1771SGP−6N+16B+17N−5B+12N3.09.010.04.001728-9.2
9Cheng, Chee Heng Jayden1745SGP−11B+15N+18N−6B+14N3.09.09.54.001674-18.0
10Timothy, Gerard Lopez1667SGP−2N−7B+20N+17B+18N3.08.08.01.501697+3.4
11Loh, Yang Hao1594SGP+9N−1B=14N−12B+15B2.511.012.55.501728+33.6
12Mooi, Kok Onn Osric1707SGP+18B−2B−6N+11N−8B2.012.012.53.001620-12.8
13Sim, En Rui Audelle1716SGP=17N+6B−5N=14B−7B2.011.012.04.501564-40.4
14Yeo, Si En Faith1628SGP+19B−3N=11B=13N−9B2.011.011.52.751685+11.6
15Chai, Sea Yong1646SGP−1N−9B+7N=18B−11N1.512.513.03.251532-31.6
16Law, Dominic1650SGP−3B−8NF−7N+20B1.09.59.50.001498-16.0
17Tobin, William Christie1538SGP=13B=19N−8B−10NF1.08.58.51.251549+0.6
18Lim, Shi Han Magnus1526SGP−12NF−9B=15N−10B0.59.59.50.751370-26.8
19Vedant Nayudu1820SGP−14N=17BFFF0.53.03.00.501393-43.2
20Tan, Yishun Edison1460SGPFF−10BF−16N0.04.04.00.00859-19.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2025 National Qualifiers B — Singapore, Singapore | Chess Tournament Results | ChessStats