9th Eastern Asia Youth Chess Championships 2025 Standard-U8
Open SwissStandard
39 players participated in this 9-round tournament, held from 22 Jul 2025 to 28 Jul 2025 in Zhuhai,GuangDong, China. 8 federations represented. Top 10 Elo average was 1389, and top seed was Jaeha Kim (🇰🇷 KOR, 1723).
Zach Alexander Tjong (🇮🇩 INA, 1630) won with 7.5/9, ahead of Enkhtur Iveelt (7.5) and Shang Du (7.0). Tjong shared the lead from round 8, winning on tie-break.
The biggest upset came in round 3: Yuval Ng (1530) beat Jaeha Kim (1723), a +193-point gap.
Location
🇨🇳Zhuhai,GuangDong, China
Dates
22 Jul 2025 → 28 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Federations · 8 represented
🇨🇳China×13
🇸🇬Singapore×4
🇲🇳Mongolia×4
🇭🇰Hong Kong China×3
🇰🇷South Korea×1
🇮🇩Indonesia×1
🇹🇭Thailand×1
🇲🇾Malaysia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R6; 2 players tied at 7.5/9, decided on Buchholz.
Co-leaders
22
8
4
1
1
1
1
4
2
R6 · LEADER CHANGE26 Jul
Enkhtur Iveelt takes the sole lead (5.5/6).
R9 · TIEBREAK CLUSTER
2 players finish on 7.5/9. Tjong takes the title on Buchholz Cut1 (49.0).
R8 · HEAD-TO-HEAD · WINNER VS 2ND
Enkhtur Iveelt lost to Zach Alexander Tjong (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Enkhtur Iveelt | * | 0 | — | 1 |
| 2Zach Alexander Tjong | 1 | * | 1 | 0 |
| 3Shang Du | — | 0 | * | 1 |
| 4Jake Chong | 0 | 1 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Tjong, Zach Alexander | 1630 | INA | +30B | +27N | +3B | =6N | −5B | +11N | +8B | +2N | +4B | 7.5 | 49.0 | 53.0 | 43.50 | 1556 | -8.4 |
| 2 | Iveelt, Enkhtur | 1562 | MGL | +38N | =4B | +10N | +11B | +13N | +5N | +6B | −1B | +7N | 7.5 | 49.0 | 50.0 | 39.25 | 1758 | +41.6 |
| 3 | Du, Shang | 0 | CHN | +?N | +?B | −1N | +10B | +7N | −8B | +11N | +13B | +5B | 7.0 | 42.5 | 42.5 | 29.00 | 1605 | 0.0 |
| 4 | Jin, Yuxin | 0 | CHN | +26B | =2N | +12B | +14N | =6B | +16N | =5B | +8N | −1N | 6.5 | 49.0 | 53.0 | 35.50 | 1607 | 0.0 |
| 5 | Chong, Jake | 1552 | HKG | +34N | +29B | +25N | +7B | +1N | −2B | =4N | +14B | −3N | 6.5 | 47.5 | 51.0 | 33.25 | 1810 | +64.8 |
| 6 | Wang, Shulang | 0 | CHN | +17N | +?B | +13N | =1B | =4N | +20B | −2N | −7B | +15N | 6.0 | 47.0 | 47.0 | 26.50 | 1547 | 0.0 |
| 7 | Ng, Yuval | 1530 | SGP | +23B | +37N | +14B | −5N | −3B | +32N | +18B | +6N | −2B | 6.0 | 45.0 | 47.5 | 26.50 | 1482 | -7.6 |
| 8 | Khangaisaikhan Bayasgalan | 0 | MGL | +?N | −13B | +9N | +?B | +15B | +3N | −1N | −4B | +14N | 6.0 | 42.0 | 42.0 | 23.00 | 1609 | 0.0 |
| 9 | Zhang, Xuanpeng | 0 | CHN | −27B | +30N | −8B | +23N | +24B | −15N | +32B | +17B | +16N | 6.0 | 38.0 | 41.5 | 26.50 | 1458 | 0.0 |
| 10 | Qiao, Yinhan | 0 | CHN | +16B | +15N | −2B | −3N | =21N | +?B | =?B | +25N | +?B | 6.0 | 33.0 | 33.0 | 16.25 | 1575 | 0.0 |
| 11 | Yu, Xiaotong | 0 | CHN | +31B | =24N | +33B | −2N | +?N | −1B | −3B | +32N | +20B | 5.5 | 42.0 | 42.0 | 17.75 | 1425 | 0.0 |
| 12 | Zhong, Junrui | 0 | CHN | +22N | =?B | −4N | +33N | −32B | +21B | +20N | −16B | +?B | 5.5 | 32.0 | 32.0 | 17.00 | 1477 | 0.0 |
| 13 | Lai, Yun-Cheng | 1558 | TPE | F | +8N | −6B | +31N | −2B | +19B | +15N | −3N | +18B | 5.0 | 45.5 | 45.5 | 25.00 | 1497 | -6.0 |
| 14 | Kim, Jaeha | 1723 | KOR | +18N | +21B | −7N | −4B | +27N | +17B | +16N | −5N | −8B | 5.0 | 44.5 | 48.5 | 23.50 | 1396 | -49.6 |
| 15 | Ruengjirachuporn, Chantat | 1433 | THA | +36N | −10B | +18N | +29B | −8N | +9B | −13B | +31N | −6B | 5.0 | 42.0 | 44.5 | 21.50 | 749 | -13.6 |
| 16 | Lu, Bingyang | 1481 | SGP | −10N | +36B | +22N | +27B | +25N | −4B | −14B | +12N | −9B | 5.0 | 41.5 | 44.0 | 20.50 | 1565 | +8.0 |
| 17 | Huang, Kaijin | 0 | CHN | −6B | +23N | −20B | +35N | +30B | −14N | +26B | −9N | +29B | 5.0 | 38.0 | 41.0 | 19.50 | 911 | 0.0 |
| 18 | Li, Chongyun | 0 | CHN | −14B | +28N | −15B | +?N | +?B | +25B | −7N | +?B | −13N | 5.0 | 29.0 | 29.0 | 8.00 | 1486 | 0.0 |
| 19 | Javkhlan Enkh-Amgalan | 0 | MGL | −20B | −35N | +36B | +39N | +26B | −13N | +?B | −?N | +25B | 5.0 | 24.0 | 24.0 | 11.50 | 1404 | 0.0 |
| 20 | Yang, Zhiyi | 0 | CHN | +19N | −25B | +17N | =?B | +?N | −6N | −12B | +21B | −11N | 4.5 | 35.5 | 35.5 | 14.50 | 1456 | 0.0 |
| 21 | Jiang, Kaixi | 0 | CHN | +28B | −14N | −26B | +37N | =10B | −12N | +30B | −20N | +?B | 4.5 | 35.5 | 35.5 | 13.50 | 911 | 0.0 |
| 22 | Lewis Moezac | 0 | MYA | −12B | +39N | −16B | =28N | =35B | −26N | +36B | =?N | +33B | 4.5 | 28.5 | 28.5 | 10.50 | 681 | 0.0 |
| 23 | Meng, Xiangyi | 0 | HKG | −7N | −17B | +?N | −9B | +?B | −31N | +35B | =26N | +?B | 4.5 | 28.0 | 28.0 | 5.00 | 729 | 0.0 |
| 24 | FIDE 8677662 | 0 | — | +?N | =11B | −?N | −?B | −9N | +37B | −28N | +34B | +27N | 4.5 | 25.5 | 25.5 | 12.75 | 754 | 0.0 |
| 25 | Mohd Shahrul Annuar, Muhd Aariz Daniel | 1419 | MAS | +39B | +20N | −5B | +26N | −16B | −18N | +29B | −10B | −19N | 4.0 | 40.0 | 41.0 | 13.50 | 717 | -29.2 |
| 26 | FIDE 8674388 | 0 | — | −4N | +38B | +21N | −25B | −19N | +22B | −17N | =23B | =28N | 4.0 | 38.0 | 39.0 | 14.25 | 619 | 0.0 |
| 27 | Jin, Yi | 0 | SGP | +9N | −1B | +?B | −16N | −14B | +36N | −?B | +?N | −24B | 4.0 | 30.5 | 30.5 | 8.50 | 811 | 0.0 |
| 28 | Zhang, Chun | 0 | CHN | −21N | −18B | +34N | =22B | +33B | −?N | +24B | −?N | =26B | 4.0 | 29.5 | 29.5 | 15.75 | 740 | 0.0 |
| 29 | Ochirt Munkh-Od | 0 | MGL | +?B | −5N | +32B | −15N | +31B | −?N | −25N | +?B | −17N | 4.0 | 28.0 | 28.0 | 7.50 | 1263 | 0.0 |
| 30 | FIDE 8673195 | 0 | — | −1N | −9B | +?N | +?B | −17N | −?B | −21N | +38B | +35N | 4.0 | 27.0 | 27.0 | 4.00 | 831 | 0.0 |
| 31 | Jiang, Fuyan | 0 | CHN | −11N | +?B | +?N | −13B | −29N | +23B | +?N | −15B | −?N | 4.0 | 24.0 | 24.0 | 4.50 | 691 | 0.0 |
| 32 | Huang, Yantao | 0 | HKG | −?N | +?B | −29N | +?B | +12N | −7B | −9N | −11B | =?N | 3.5 | 27.0 | 27.0 | 5.50 | 729 | 0.0 |
| 33 | FIDE 8673217 | 0 | — | =?N | +?B | −11N | −12B | −28N | +34B | −?N | +37B | −22N | 3.5 | 25.5 | 25.5 | 6.00 | 1282 | 0.0 |
| 34 | FIDE 8677522 | 0 | — | −5B | −?N | −28B | +?B | =37N | −33N | +39B | −24N | +38N | 3.5 | 23.0 | 23.0 | 3.25 | 786 | 0.0 |
| 35 | Rajendran, I | 0 | SGP | −?N | +19B | =?N | −17B | =22N | −?B | −23N | +?B | −30B | 3.0 | 23.0 | 23.0 | 7.25 | 1282 | 0.0 |
| 36 | FIDE 8673578 | 0 | — | −15B | −16N | −19N | +38B | +?N | −27B | −22N | =?B | F | 2.5 | 24.5 | 24.5 | 1.00 | 658 | 0.0 |
| 37 | FIDE 6019188 | 0 | — | +?N | −7B | −?N | −21B | =34B | −24N | F | −33N | +?B | 2.5 | 22.0 | 22.0 | 1.75 | 695 | 0.0 |
| 38 | FIDE 7007434 | 0 | — | −2B | −26N | −39B | −36N | F | +?B | −?N | −30N | −34B | 1.0 | 22.5 | 22.5 | 0.00 | 759 | 0.0 |
| 39 | FIDE 8673764 | 0 | — | −25N | −22B | +38N | −19B | −?N | −?B | −34N | F | −?N | 1.0 | 18.0 | 18.0 | 1.00 | 619 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Chong, JakeHKG+64.86.5 pts · #2
- 2Iveelt, EnkhturMGL+41.67.5 pts · #7
- 3Lu, BingyangSGP+8.05.0 pts · #15
Top rating losers
- 1Kim, JaehaKOR-49.65.0 pts · #13
- 2Mohd Shahrul Annuar, Muhd Aariz DanielMAS-29.24.0 pts · #37
- 3Ruengjirachuporn, ChantatTHA-13.65.0 pts · #24
Biggest upsets
- R3+193 Elo gap
- R8+171 Elo gap