15th Queen's
Open SwissStandard
39 players participated in this 4-round tournament, held on 22 Feb 2026 in Seongnam, South Korea. 2 federations represented. Top 10 Elo average was 1709, and top seed was Jeongyeon Lee (🇰🇷 KOR, 1792).
Nayoon B Kim (🇰🇷 KOR, 1693) won with 4.0/4, ahead of Heesung Moon (3.5) and Siho Kim (3.0). Kim broke clear in the final round.
The biggest upset came in round 3: Jaejun Han (1495) beat Isu Baek (1723), a +228-point gap.
Location
🇰🇷Seongnam, South Korea
Dates
22 Feb 2026
Time control
Standard: All Moves in 55 Min. / /
System
Swiss · 4 rounds
Federations · 2 represented
🇰🇷South Korea×33
🇸🇪Sweden×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsNayoon B Kim led from R4; +0.5-point edge over the runner-up.
Co-leaders
19
6
3
1
R4–R4 · LEAD HELD
Nayoon B Kim held the sole lead from R4 through R4 without losing it.
R1–R4 · WIN STREAK
Nayoon B Kim won 4 in a row (R1–R4).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kim, Nayoon B | 1693 | KOR | +19N | +18B | +3N | +6N | 4.0 | 8.0 | 10.0 | 10.00 | 2323 | +44.4 |
| 2 | Moon, Heesung | 1724 | KOR | +27B | =15N | +10B | +4N | 3.5 | 7.5 | 9.0 | 8.00 | 1887 | +23.6 |
| 3 | Kim, Siho | 1520 | KOR | +23B | +8N | −1B | +16B | 3.0 | 9.0 | 11.0 | 7.00 | 1823 | +48.4 |
| 4 | Lee, Kangin | 1535 | KOR | +32N | +11B | +5N | −2B | 3.0 | 9.0 | 10.0 | 6.50 | 1808 | +44.0 |
| 5 | Lee, Joowon | 1650 | KOR | +35B | +9N | −4B | +20B | 3.0 | 8.0 | 9.0 | 6.00 | 1812 | +26.0 |
| 6 | Lee, Hyunho | 1600 | KOR | +34B | +21N | +16N | −1B | 3.0 | 8.0 | 9.0 | 5.00 | 1834 | +37.6 |
| 7 | Jun, Sanghui | 1691 | KOR | +12B | =10N | =13B | +22N | 3.0 | 7.5 | 9.5 | 7.00 | 1761 | +14.0 |
| 8 | Choi, Juhun | 1690 | KOR | +26N | −3B | +19N | +17B | 3.0 | 7.0 | 8.5 | 5.50 | 1667 | -4.0 |
| 9 | Eom, Huisang | 1734 | KOR | +17N | −5B | +30N | +15B | 3.0 | 7.0 | 8.0 | 5.00 | 1753 | +2.2 |
| 10 | An, Teo | 1568 | SWE | +39N | =7B | −2N | +26B | 2.5 | 8.0 | 8.0 | 3.00 | 1616 | +8.0 |
| 11 | Kang, Jiwon | 1675 | KOR | +38B | −4N | +24B | =12N | 2.5 | 7.5 | 7.5 | 3.25 | 1478 | -30.4 |
| 12 | Yoo, Seungwon | 1444 | KOR | −7N | +39B | +18N | =11B | 2.5 | 7.5 | 7.5 | 3.25 | 1629 | +28.0 |
| 13 | Lee, Juhwan | 1658 | KOR | +37N | =20B | =7N | =29B | 2.5 | 6.5 | 6.5 | 3.25 | 1742 | +9.2 |
| 14 | Collins, Thomas Mathew | 1630 | KOR | −31N | +37B | =26N | +28B | 2.5 | 4.0 | 4.0 | 2.25 | 1432 | -10.0 |
| 15 | Kim, Juwon | 1615 | KOR | +28B | =2B | =20N | −9N | 2.0 | 8.5 | 10.0 | 4.25 | 1625 | +1.6 |
| 16 | Kim, Ria | 1714 | KOR | +24B | +22N | −6B | −3N | 2.0 | 8.0 | 10.0 | 4.00 | 1544 | -34.8 |
| 17 | Han, Jaejun | 1495 | KOR | −9B | +35N | +21B | −8N | 2.0 | 8.0 | 9.0 | 3.00 | 1590 | +13.6 |
| 18 | Arundellee, Donggwan | 1536 | KOR | +33B | −1N | −12B | +27N | 2.0 | 8.0 | 9.0 | 2.50 | 1417 | -16.8 |
| 19 | Jea, Daeul | 1452 | KOR | −1B | +33N | −8B | +34N | 2.0 | 8.0 | 9.0 | 2.00 | 892 | -16.0 |
| 20 | Lee, Jeongyeon | 1792 | KOR | +25B | =13N | =15B | −5N | 2.0 | 7.5 | 9.5 | 4.25 | 1605 | -38.0 |
| 21 | Baek, Isu | 1723 | KOR | +30N | −6B | −17N | +31B | 2.0 | 6.0 | 7.0 | 2.00 | 1401 | -50.0 |
| 22 | Choi, Mingyu | 1604 | KOR | +36N | −16B | +31N | −7B | 2.0 | 6.0 | 7.0 | 2.00 | 902 | -29.2 |
| 23 | Seo, Sanghyeok | 0 | KOR | −3N | −26B | +36N | +30B | 2.0 | 5.5 | 6.5 | 2.00 | 1352 | 0.0 |
| 24 | Kim, Choi | 1455 | KOR | −16N | +36B | −11N | +32B | 2.0 | 5.5 | 6.5 | 2.00 | 893 | -16.0 |
| 25 | Yun, Junseo | 1499 | KOR | −20N | +31B | −29N | +33B | 2.0 | 4.5 | 5.5 | 2.00 | 992 | -6.0 |
| 26 | Choi, Jiwan | 1434 | KOR | −8B | +23N | =14B | −10N | 1.5 | 8.0 | 10.0 | 3.25 | 1356 | -10.0 |
| 27 | Kim, Rian | 1488 | KOR | −2N | =28B | +32N | −18B | 1.5 | 7.0 | 8.0 | 1.75 | 823 | -26.0 |
| 28 | Joi, Woojoo | 0 | KOR | −15N | =27N | +38B | −14N | 1.5 | 6.0 | 6.0 | 0.75 | 1304 | 0.0 |
| 29 | Hwang, Seungjae | 0 | KOR | F | F | +25B | =13N | 1.5 | 4.5 | 4.5 | 3.25 | 1598 | 0.0 |
| 30 | Lim, Siheon | 1481 | KOR | −21B | +34N | −9B | −23N | 1.0 | 7.0 | 8.0 | 1.00 | 928 | -15.6 |
| 31 | Jeong, Yul | 0 | KOR | +14B | −25N | −22B | −21N | 1.0 | 6.5 | 8.5 | 2.50 | 1420 | 0.0 |
| 32 | FIDE 13239155 | 0 | — | −4B | +38N | −27B | −24N | 1.0 | 6.5 | 6.5 | 0.00 | 692 | 0.0 |
| 33 | FIDE 13238825 | 0 | — | −18N | −19B | +35B | −25N | 1.0 | 6.0 | 7.0 | 1.00 | 690 | 0.0 |
| 34 | FIDE 13237772 | 0 | — | −6N | −30B | +37N | −19B | 1.0 | 6.0 | 6.0 | 0.00 | 711 | 0.0 |
| 35 | Jeong, Eunchae | 0 | KOR | −5N | −17B | −33N | +37B | 1.0 | 6.0 | 6.0 | 0.00 | 773 | 0.0 |
| 36 | FIDE 13238523 | 0 | — | −22B | −24N | −23B | +38N | 1.0 | 6.0 | 6.0 | 0.00 | 729 | 0.0 |
| 37 | Choi, Robin | 0 | KOR | −13B | −14N | −34B | −35N | 0.0 | 6.0 | 7.0 | 0.00 | 844 | 0.0 |
| 38 | FIDE 13239350 | 0 | — | −11N | −32B | −28N | −36B | 0.0 | 5.0 | 6.0 | 0.00 | 874 | 0.0 |
| 39 | Lee, Seunghoon | 0 | KOR | −10B | −12N | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 706 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kim, SihoKOR+48.43.0 pts · #7
- 2Kim, Nayoon BKOR+44.44.0 pts · #1
- 3Lee, KanginKOR+44.03.0 pts · #11
Top rating losers
- 1Baek, IsuKOR-50.02.0 pts · #19
- 2Lee, JeongyeonKOR-38.02.0 pts · #8
- 3Kim, RiaKOR-34.82.0 pts · #6
Biggest upsets
- R3+228 Elo gap
- R4+194 Elo gap
- R2+170 Elo gap