12th Queen's
Open SwissStandard
38 players participated in this 4-round tournament, held on 19 Oct 2025 in Bundang, South Korea. 2 federations represented. Top 10 Elo average was 1665, and top seed was Kun Park (🇰🇷 KOR, 1764).
Eunsung You (🇰🇷 KOR, 1691) won with 4.0/4, ahead of Yisoo Shin (3.5) and Jiwon Kang (3.0). You broke clear in the final round.
The biggest upset came in round 3: Siwoo Hwang (1431) beat Teo An (1599), a +168-point gap.
Location
🇰🇷Bundang, South Korea
Dates
19 Oct 2025
Time control
Standard: All Moves in 55 Min. Incr. 5 Sec. / /
System
Swiss · 4 rounds
Federations · 2 represented
🇰🇷South Korea×35
🇸🇪Sweden×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsEunsung You led from R4; +0.5-point edge over the runner-up.
Co-leaders
18
8
3
1
R4–R4 · LEAD HELD
Eunsung You held the sole lead from R4 through R4 without losing it.
WIN STREAKS · 2 top finishers
Eunsung You 4 wins (R1–R4)Yisoo Shin 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Eunsung You | * | — | — | 1 |
| 2Yisoo Shin | — | * | 1 | — |
| 3Isu Baek | — | 0 | * | — |
| 4Jiwon Kang | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | You, Eunsung | 1691 | KOR | +13B | +14N | +17B | +3N | 4.0 | 7.0 | 9.0 | 9.00 | 2401 | +61.6 |
| 2 | Shin, Yisoo | 1666 | KOR | +29N | +8B | +9N | =5B | 3.5 | 9.0 | 10.0 | 8.50 | 1936 | +44.0 |
| 3 | Kang, Jiwon | 1677 | KOR | +22N | +15B | +6N | −1B | 3.0 | 9.0 | 11.0 | 7.00 | 1785 | +23.2 |
| 4 | Lee, Ain | 1714 | KOR | +10N | −7B | +29N | +15B | 3.0 | 8.0 | 9.0 | 6.00 | 1711 | +0.8 |
| 5 | Choi, Chanuk | 1667 | KOR | =20B | +38N | +12B | =2N | 3.0 | 8.0 | 8.0 | 5.25 | 1708 | +7.6 |
| 6 | Kim, Kwansoo | 1649 | KOR | +27B | +16N | −3B | +11N | 3.0 | 7.5 | 9.0 | 6.00 | 1752 | +10.6 |
| 7 | Yang, Heewon | 1584 | KOR | +34B | +4N | −11B | +13N | 3.0 | 7.5 | 8.5 | 6.00 | 1733 | +24.0 |
| 8 | Baek, Isu | 0 | KOR | +38B | −2N | +18B | +14N | 3.0 | 7.5 | 7.5 | 4.00 | 1813 | +26.0 |
| 9 | Lee, Juhwan | 1602 | KOR | +30B | +25N | −2B | +16N | 3.0 | 7.0 | 8.0 | 4.50 | 1736 | +28.8 |
| 10 | Ahn, Taehyun | 1524 | KOR | −4B | +37N | +19B | +17N | 3.0 | 7.0 | 7.0 | 4.00 | 1666 | +15.6 |
| 11 | Pak, Maksim | 1598 | KOR | +37B | =12N | +7N | −6B | 2.5 | 8.5 | 8.5 | 4.25 | 1615 | +3.6 |
| 12 | Park, Ire | 0 | KOR | +28N | =11B | −5N | +26B | 2.5 | 7.0 | 8.5 | 4.25 | 1599 | 0.0 |
| 13 | Lee, Donghwa | 1519 | KOR | −1N | +33B | +28N | −7B | 2.0 | 8.5 | 9.5 | 2.50 | 1482 | -7.6 |
| 14 | Han, Jaejun | 1592 | KOR | +26N | −1B | +32N | −8B | 2.0 | 8.5 | 9.5 | 2.50 | 886 | -28.8 |
| 15 | Lim, Siheon | 1528 | KOR | +19B | −3N | +20B | −4N | 2.0 | 8.0 | 10.0 | 4.00 | 1494 | -3.6 |
| 16 | Lee, Kangin | 1564 | KOR | +33N | −6B | +21N | −9B | 2.0 | 8.0 | 9.0 | 3.00 | 822 | -30.8 |
| 17 | Lee, Chanhee | 1623 | KOR | +31N | +32B | −1N | −10B | 2.0 | 8.0 | 9.0 | 2.00 | 1436 | -14.8 |
| 18 | Collins, Thomas Mathew | 1593 | KOR | +35B | −24B | −8N | +25N | 2.0 | 6.5 | 7.5 | 2.50 | 1542 | -13.6 |
| 19 | Yoo, Seungwon | 0 | KOR | −15N | +31B | −10N | +29B | 2.0 | 6.0 | 7.0 | 2.00 | 1493 | 0.0 |
| 20 | Son, Sanghyun | 1462 | KOR | =5N | =36B | −15N | +32B | 2.0 | 6.0 | 6.5 | 2.75 | 1454 | -3.6 |
| 21 | Park, Siyul | 0 | KOR | −25B | +27N | −16B | +36N | 2.0 | 5.0 | 5.5 | 2.00 | 1526 | 0.0 |
| 22 | Song, Haeseong | 1500 | KOR | −3B | −35N | +37B | +30B | 2.0 | 5.0 | 5.0 | 1.00 | 1536 | +1.6 |
| 23 | Lee, Geonmin | 1526 | KOR | −24N | −26B | +36N | +31B | 2.0 | 4.5 | 5.0 | 1.50 | 1728 | +31.2 |
| 24 | Park, Kun | 1764 | KOR | +23B | +18N | F | F | 2.0 | 4.0 | 4.0 | 4.00 | 2377 | +10.4 |
| 25 | Kim, Gyubeen | 1550 | KOR | +21N | −9B | =26N | −18B | 1.5 | 7.0 | 8.5 | 2.75 | 812 | -33.6 |
| 26 | Lee, Bitnari | 0 | KOR | −14B | +23N | =25B | −12N | 1.5 | 6.5 | 8.0 | 2.75 | 1554 | 0.0 |
| 27 | Seo, Yerin | 1445 | KOR | −6N | −21B | +33N | =28B | 1.5 | 6.5 | 7.5 | 1.75 | 1409 | -3.6 |
| 28 | Seol, Youngjun | 1562 | KOR | −12B | +30N | −13B | =27N | 1.5 | 6.0 | 7.0 | 1.75 | 1459 | -15.2 |
| 29 | Choi, Gyungsook | 1458 | KOR | −2B | +34N | −4B | −19N | 1.0 | 8.5 | 9.5 | 1.00 | 892 | -8.2 |
| 30 | Hwang, Siwoo | 1431 | KOR | −9N | −28B | +38B | −22N | 1.0 | 6.5 | 6.5 | 0.00 | 1373 | -5.6 |
| 31 | Cho, Sungjun | 1441 | KOR | −17B | −19N | +34B | −23N | 1.0 | 6.0 | 7.0 | 1.00 | 774 | -29.6 |
| 32 | Jea, Daeul | 0 | KOR | +36B | −17N | −14B | −20N | 1.0 | 6.0 | 6.5 | 0.50 | 1369 | 0.0 |
| 33 | Park, Halyn | 0 | KOR | −16B | −13N | −27B | +37N | 1.0 | 5.5 | 5.5 | 0.00 | 705 | 0.0 |
| 34 | Lee, Minho | 0 | KOR | −7N | −29B | −31N | +38N | 1.0 | 5.0 | 5.0 | 0.00 | 1336 | 0.0 |
| 35 | FIDE 13236628 | 0 | — | −18N | +22B | F | F | 1.0 | 4.0 | 4.0 | 2.00 | 1574 | 0.0 |
| 36 | Yang, Junseo | 1598 | KOR | −32N | =20N | −23B | −21B | 0.5 | 6.0 | 7.0 | 1.00 | 1309 | -26.8 |
| 37 | FIDE 13230719 | 0 | — | −11N | −10B | −22N | −33B | 0.0 | 7.5 | 8.5 | 0.00 | 740 | 0.0 |
| 38 | An, Teo | 1599 | SWE | −8N | −5B | −30N | −34B | 0.0 | 7.0 | 8.0 | 0.00 | 782 | -61.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1You, EunsungKOR+61.64.0 pts · #1
- 2Shin, YisooKOR+44.03.5 pts · #2
- 3Lee, GeonminKOR+31.22.0 pts · #13
Top rating losers
- 1An, TeoSWE-61.60.0 pts · #36
- 2Kim, GyubeenKOR-33.61.5 pts · #32
- 3Lee, KanginKOR-30.82.0 pts · #38
Biggest upsets
- R3+168 Elo gap
- R2+130 Elo gap