9th Eastern Asia Youth Chess Championships 2025 Standard-G12
Open SwissStandard
33 players participated in this 9-round tournament, held from 22 Jul 2025 to 28 Jul 2025 in Zhuhai,GuangDong, China. 2 titled players from 8 federations. Top 10 Elo average was 1671, and top seed was Ider Tselmuun (🇲🇳 MGL, WCM, 1822).
Yiting Wu (🇨🇳 CHN, 1721) won with 7.0/9, ahead of Ider Tselmuun (6.5) and Zhenzhen Luo (6.5). Wu shared the lead from round 4 and won solo starting round 8.
The biggest upset came in round 8: Zhenzhen Luo (1540) beat Ider Tselmuun (WCM, 1822), a +282-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
Titled players · 2
WCM×2
Federations · 8 represented
🇨🇳China×15
🇲🇳Mongolia×6
🇲🇾Malaysia×3
🇹🇭Thailand×2
🇸🇬Singapore×2
🇻🇳Vietnam×1
🇵🇭Philippines×1
🇮🇩Indonesia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsYiting Wu led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
13
5
1
2
1
6
3
1
1
R5 · LEADER CHANGE24 Jul
Yiting Wu takes the sole lead (4.5/5).
R9 · HEAD-TO-HEAD · WINNER VS 2ND
Yiting Wu drew with Zhenzhen Luo (Black).
WIN STREAKS · 3 top finishers
Yiting Wu 4 wins (R2–R5)Zhenzhen Luo 3 wins (R6–R8)WCM Ider Tselmuun 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Yiting Wu | * | ½ | 1 | 1 |
| 2Zhenzhen Luo | ½ | * | 1 | 0 |
| 3WCMIder Tselmuun | 0 | 0 | * | — |
| 4WCMNyamdorj Enkhriikhen | 0 | 1 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Wu, Yiting | 1721 | CHN | =16N | +13B | +10N | +4B | +2B | −6N | +8N | +7B | =3N | 7.0 | 46.5 | 51.0 | 40.00 | 1793 | +27.6 |
| 2 | Tselmuun, IderWCM | 1822 | MGL | =11N | +16B | +25N | +6B | −1N | +5B | +12N | −3B | +7N | 6.5 | 45.5 | 48.5 | 32.25 | 1747 | -24.8 |
| 3 | Luo, Zhenzhen | 1540 | CHN | +27B | =21B | =5N | +9N | −4B | +15N | +14B | +2N | =1B | 6.5 | 44.5 | 47.0 | 32.00 | 1813 | +117.2 |
| 4 | Enkhriikhen, NyamdorjWCM | 1769 | MGL | +31B | +7N | +14B | −1N | +3N | −12B | +21N | =5B | +8B | 6.5 | 44.0 | 46.0 | 31.00 | 1750 | -6.8 |
| 5 | Liu, Dijia | 1672 | CHN | +22N | =10B | =3B | +8N | =14B | −2N | +17B | =4N | +6B | 6.0 | 45.0 | 49.0 | 31.00 | 1699 | +10.0 |
| 6 | Sim, En Rui Audelle | 1694 | SGP | +18B | +15N | =8B | −2N | +17B | +1B | −7N | +12B | −5N | 5.5 | 44.5 | 49.0 | 28.25 | 1701 | +2.8 |
| 7 | Pham Thi Minh Ngoc | 1565 | VIE | +32B | −4B | +23N | +21B | =12N | +9N | +6B | −1N | −2B | 5.5 | 44.0 | 45.5 | 23.00 | 1697 | +48.0 |
| 8 | Chen, Yian(Sh) | 0 | CHN | +24B | +12B | =6N | −5B | +22N | +14N | −1B | +21B | −4N | 5.5 | 42.5 | 46.5 | 24.25 | 1681 | 0.0 |
| 9 | Deng, Mingtong | 1581 | CHN | =13N | +11B | =21N | −3B | +10N | −7B | +20N | +16B | =12N | 5.5 | 42.0 | 46.0 | 27.00 | 1657 | +22.4 |
| 10 | Castronuevo, Elle | 1543 | PHI | +28B | =5N | −1B | +30N | −9B | =19N | =15B | +24N | +18B | 5.5 | 38.5 | 41.0 | 21.00 | 1600 | +20.0 |
| 11 | Wang, Leyi | 1535 | CHN | =2B | −9N | =17B | +23N | =19B | +26N | =24B | =18N | +15B | 5.5 | 38.0 | 41.0 | 23.50 | 1579 | +14.8 |
| 12 | Wang, Xiangyi | 1607 | CHN | +26B | −8N | +18B | +15N | =7B | +4N | −2B | −6N | =9B | 5.0 | 44.0 | 47.0 | 24.00 | 1689 | +30.0 |
| 13 | Egshiglen, Bayasgalan | 0 | MGL | =9B | −1N | +24B | =19N | −15B | −20N | +32N | +29B | +21N | 5.0 | 36.5 | 38.0 | 17.00 | 1557 | 0.0 |
| 14 | Lu, Yichen | 1577 | CHN | +23B | +30N | −4N | +25B | =5N | −8B | −3N | =17B | =20N | 4.5 | 40.5 | 43.0 | 17.00 | 1444 | -36.0 |
| 15 | Jiang, Zixian | 1545 | CHN | +29N | −6B | +27N | −12B | +13N | −3B | =10N | +23B | −11N | 4.5 | 39.5 | 42.0 | 16.75 | 1218 | -69.6 |
| 16 | Namsraibadam, Otgontumur | 1511 | MGL | =1B | −2N | =26N | +29B | +25N | −21B | +19B | −9N | =23N | 4.5 | 37.5 | 40.0 | 17.00 | 1526 | +0.8 |
| 17 | Lim, Yihui Sophia | 1438 | MAS | −21N | +29B | =11N | +31B | −6N | +22B | −5N | =14N | =19B | 4.5 | 36.5 | 38.5 | 15.75 | 1543 | +41.6 |
| 18 | Tourteau, Victoria | 1467 | THA | −6N | +32B | −12N | +28B | −21N | +25B | +22N | =11B | −10N | 4.5 | 35.0 | 36.5 | 13.75 | 1389 | -24.4 |
| 19 | Suthiponpaisarn, Proudpitcha | 1570 | THA | +33N | −25B | =22N | =13B | =11N | =10B | −16N | +28B | =17N | 4.5 | 34.5 | 36.0 | 16.25 | 1424 | -40.0 |
| 20 | Tan, Xuan Ying Calyn | 1543 | SGP | −25N | −23B | +32N | −22B | +29N | +13B | −9B | +26N | =14B | 4.5 | 31.5 | 33.0 | 14.25 | 1270 | -40.4 |
| 21 | Peng, Shiyang | 1654 | CHN | +17B | =3N | =9B | −7N | +18B | +16N | −4B | −8N | −13B | 4.0 | 43.5 | 48.0 | 19.50 | 1605 | -12.3 |
| 22 | Gerel, Purevdorj | 1445 | MGL | −5B | +28N | =19B | +20N | −8B | −17N | −18B | +30N | =24B | 4.0 | 36.0 | 38.5 | 13.75 | 1427 | -8.0 |
| 23 | Liang, Zhixi | 0 | CHN | −14N | +20N | −7B | −11B | =28N | +31B | +27N | −15N | =16B | 4.0 | 34.0 | 36.0 | 12.50 | 1442 | 0.0 |
| 24 | Zhong, Wanhua | 1610 | CHN | −8N | =26B | −13N | +33B | =27N | +32B | =11N | −10B | =22N | 4.0 | 32.5 | 34.0 | 10.50 | 1386 | -36.0 |
| 25 | Wavina Kamita Putri | 0 | INA | +20B | +19N | −2B | −14N | −16B | −18N | −33B | F | +27N | 3.0 | 33.0 | 33.0 | 11.50 | 1458 | 0.0 |
| 26 | Davidson, Miara Cruize | 0 | MAS | −12N | =24N | =16B | =27B | +31N | −11B | =28N | −20B | F | 3.0 | 30.5 | 30.5 | 8.75 | 1431 | 0.0 |
| 27 | Yang, Shunying | 0 | CHN | −3N | F | −15B | =26N | =24B | =30N | −23B | +31N | −25B | 2.5 | 29.5 | 29.5 | 6.75 | 1467 | 0.0 |
| 28 | FIDE 8644292 | 0 | — | −10N | −22B | +33N | −18N | =23B | F | =26B | −19N | =31B | 2.5 | 29.0 | 29.0 | 6.00 | 1147 | 0.0 |
| 29 | Oyudari Tumenbayar | 0 | MGL | −15B | −17N | F | −16N | −20B | +33N | =30B | −13N | +32B | 2.5 | 28.5 | 28.5 | 4.25 | 710 | 0.0 |
| 30 | FIDE 8674957 | 0 | — | F | −14B | =31N | −10B | −32N | =27B | =29N | −22B | +33B | 2.5 | 24.0 | 24.0 | 5.00 | 1203 | 0.0 |
| 31 | Foong, Livia | 1527 | MAS | −4N | +33B | =30B | −17N | −26B | −23N | F | −27B | =28N | 2.0 | 27.0 | 27.0 | 4.00 | 804 | -32.8 |
| 32 | Meng, Zuoning | 0 | CHN | −7N | −18N | −20B | F | +30B | −24N | −13B | =33N | −29N | 1.5 | 30.0 | 30.0 | 3.25 | 747 | 0.0 |
| 33 | Liu, Entong | 0 | CHN | −19B | −31N | −28B | −24N | F | −29B | +25N | =32B | −30N | 1.5 | 22.5 | 22.5 | 3.75 | 769 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Luo, ZhenzhenCHN+117.26.5 pts · #1
- 2Pham Thi Minh NgocVIE+48.05.5 pts · #11
- 3Lim, Yihui SophiaMAS+41.64.5 pts · #12
Top rating losers
- 1Jiang, ZixianCHN-69.64.5 pts · #29
- 2Tan, Xuan Ying CalynSGP-40.44.5 pts · #28
- 3Suthiponpaisarn, ProudpitchaTHA-40.04.5 pts · #17
Biggest upsets
- R8+282 Elo gap
- R6+162 Elo gap
- R7+129 Elo gap