CChessStats

40th National Age Group Chess Championships Under 20

Open SwissStandard

28 players participated in this 9-round tournament, held from 09 Dec 2025 to 13 Dec 2025 in Singapore, Singapore. 2 titled players from 7 federations. Top 10 Elo average was 1889, and top seed was Tuan An Tran (🇬🇺 GUM, CM, 2036).

Jai Adithya Gnanasekar (🇸🇬 SGP, 1875) won with 6.5/9, ahead of Meng Ren Morgan Chen (6.5) and Tze Shyan Evin Sung (6.5). Gnanasekar shared the lead from round 8, winning on tie-break.

The biggest upset came in round 1: Cheng Hao Soo (1664) beat Tuan An Tran (CM, 2036), a +372-point gap.

Location
🇸🇬Singapore, Singapore
Dates
09 Dec 2025 → 13 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇬🇺CMTuan An Tran2036
Avg top 10
1,889
Participants
28
Titled players · 2
CM×2
Federations · 7 represented
🇸🇬Singapore×20
🇬🇺Guam×3
🇺🇸United States of America×1
🇲🇾Malaysia×1
🇨🇳China×1
🇮🇳India×1
🇵🇭Philippines×1
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R5; 3 players tied at 6.5/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders
13
6
2
2
1
1
1
2
3
2.54.579R1R2R3R4R5R6R7R8R9Leong takes lead
R6 · LEADER CHANGE11 Dec

Jyuin Pang Alexx Xander Leong takes the sole lead (5.0/6).

R9 · TIEBREAK CLUSTER

3 players finish on 6.5/9. Gnanasekar takes the title on Buchholz Cut1 (45.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Jai Adithya Gnanasekar drew with Meng Ren Morgan Chen (White).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Gnanasekar, Jai Adithya1875SGP+25B+12N+5B=2B+7N4N=13B+8N=3N6.545.548.533.751982+59.6
2Chen, Meng Ren Morgan1930SGP+16B+6N+4B=1N=3B5N+11B=10N+13B6.545.049.534.501968+26.4
3Sung, Tze Shyan EvinCM2022SGP+15N+14B=10N=13B=2N=11N+6B+4N=1B6.543.548.034.251968-8.5
4Leong, Jyuin Pang Alexx Xander1855SGP+11N+21B2N+10B+13N+1B=5N3B=6N6.045.549.030.251943+44.8
5Ventura, Gio Troy1793PHI+27B+19N1N+8B=10N+2B=4B13N+11B6.043.045.028.501834+24.0
6Yu, Kaiyi1727SGP+9N2B11N+26B+19N+7B3N+21B=4B5.542.544.523.501780+11.2
7Tran, Tuan AnCM2036GUM21N+8B+23B+17N1B6N+12B=9N+10B5.540.543.525.251814-73.6
8Ong, En Jie Jakin1465SGP+18B7N+12B5N+17B=10B+14N1B+23N5.540.543.523.001842+162.0
9Wang, Zihao0SGP6B=16N+25B+12N=15N+18B10N=7B+14N5.538.541.523.7517660.0
10Liew, Tze Chi1805SGP+20B+23N=3B4N=5B=8N+9B=2B7N5.045.548.524.751770-10.0
11Aditya Sriram1517IND4B+28N+6B=21N+14N=3B2N+15B5N5.043.043.520.001781+98.4
12Yu, Shuugo1669USA+22N1B8N9B+26N+19B7N+24B+17B5.037.539.516.501687+0.8
13Kapoor, Satvik2027SGPF=17N+18B=3N4B+15B=1N+5B2N4.544.044.023.001874-56.4
14Gan, Wei En Justin1747SGP+28B3N=17B+16N11B+24N8B+18N9B4.538.038.514.001686-22.0
15Chen, Ziyi Claire1623SGP3B=27N+19B+20N=9B13N=18B11N+25N4.536.538.516.751642-5.2
16Tan, Sue Anne1580MAS2N=9B+22N14B24N23B+26N+19B+21N4.533.535.515.751476-23.5
17Chern, Ze Hearn1748SGP+26N=13B=14N7B8N+20B=21N=23B12N4.035.537.513.751621-57.2
18Manjunathan Janani, Yokgan1798SGP8N+26B13N+27B+21B9N=15N14B=20B4.034.036.011.751589-72.4
19Yap, Jyan0SGP+24N5B15N+23B6B12N+27B16N+28N4.033.534.08.5015480.0
20Loh, Magnus1495SGP10N+24B=21N15B=23N17N=22B+28B=18N4.030.531.010.501595+30.4
21Soo, Cheng Hao1664SGP+7B4N=20B=11B18N+22N=17B6N16B3.538.542.015.501578-40.0
22Zhao, Kexuan0CHN12B=25N16B=28N+27N21B=20N=26B=24N3.527.027.58.2514790.0
23Thoo, Jun Xue Tristan1568SGPF10B7N19N=20B+16N+24B=17N8B3.035.535.511.501626+15.6
24Combs, Noah1673GUM19B20N=27B+25N+16B14B23N12N=22B3.031.533.510.251476-75.6
25Low, Hei Yuet Cheryl1543SGP1N=22B9N24B+28N=26BF+27N15B3.027.527.55.251462-9.2
26Lee, Kang Yu0SGP17B18N+28B6N12B=25N16B=22NF2.031.532.03.7512770.0
27Sim, Guan Yee Cedric1444SGP5N=15B=24N18N22B+28B19N25BF2.030.030.54.251447-2.0
28Padrique, Sarah Jennica0GUM14N11B26N=22B25B27NF20N19B0.528.028.01.757490.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets