8th Gimpo City Statndard Open
Open SwissStandard
20 players participated in this 6-round tournament, held from 31 Aug 2025 to 07 Sept 2025 in Gimpo, South Korea. Top 10 Elo average was 1637, and top seed was Jaehyun Sung (🇰🇷 KOR, 1774).
Hajin Gim (🇰🇷 KOR, 1651) won with 5.0/6, ahead of Sanghui Jun (4.5) and Keonwoo Kim (4.0). Gim shared the lead from round 5 and broke clear in the final round.
The biggest upset came in round 5: Donghwa Lee (1485) beat Jeonghyun Choi (1640), a +155-point gap.
Location
🇰🇷Gimpo, South Korea
Dates
31 Aug 2025 → 07 Sept 2025
Time control
Standard: 60 minutes for game
System
Swiss · 6 rounds
Federations · 1 represented
🇰🇷South Korea×18
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsHajin Gim led from R6; +0.5-point edge over the runner-up.
Co-leaders
9
4
2
1
3
1
R6 · LEADER CHANGE07 Sept
Hajin Gim takes the sole lead (5.0/6).
WIN STREAKS · 2 top finishers
Hajin Gim 4 wins (R3–R6)Sanghui Jun 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Hajin Gim | * | — | 1 | 1 |
| 2Sanghui Jun | — | * | 0 | 1 |
| 3Eunsung You | 0 | 1 | * | — |
| 4Keonwoo Kim | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gim, Hajin | 1651 | KOR | +18N | −9N | +16B | +14B | +3N | +4B | 5.0 | 14.0 | 15.0 | 12.00 | 1889 | +69.6 |
| 2 | Jun, Sanghui | 1672 | KOR | +7N | +8B | +3N | +10B | −4N | =12B | 4.5 | 16.5 | 19.0 | 13.75 | 1764 | +24.4 |
| 3 | Kim, Keonwoo | 1689 | KOR | +13B | +5N | −2B | +8N | −1B | +7N | 4.0 | 19.5 | 21.5 | 12.00 | 1718 | +10.0 |
| 4 | You, Eunsung | 1668 | KOR | +19B | +16N | −9B | +5N | +2B | −1N | 4.0 | 17.5 | 18.5 | 10.50 | 1743 | +26.4 |
| 5 | Han, Dohoon | 1588 | KOR | +6N | −3B | +7N | −4B | +14N | +10B | 4.0 | 17.0 | 19.0 | 11.00 | 1610 | +6.0 |
| 6 | Kim, Hajin A | 0 | KOR | −5B | +13N | =11B | −12N | +17B | +16N | 3.5 | 12.0 | 13.0 | 5.25 | 1545 | 0.0 |
| 7 | Lee, Donghwa | 1485 | KOR | −2B | +17N | −5B | +13N | +8B | −3B | 3.0 | 17.5 | 18.5 | 6.00 | 1542 | +4.4 |
| 8 | Choi, Jeonghyun | 1640 | KOR | +17B | −2N | +19B | −3B | −7N | +13N | 3.0 | 14.5 | 15.5 | 4.00 | 1498 | -38.8 |
| 9 | Sung, Jaehyun | 1774 | KOR | +11N | +1B | +4N | F | F | F | 3.0 | 11.5 | 11.5 | 11.50 | 2413 | +17.6 |
| 10 | Park, Jiho B | 0 | KOR | +?N | =14B | +15B | −2N | −12B | −5N | 2.5 | 14.5 | 14.5 | 2.50 | 1435 | 0.0 |
| 11 | Kim, Siho | 1528 | KOR | −9B | −18N | =6N | +20B | −13B | +14N | 2.5 | 11.5 | 12.5 | 4.75 | 1377 | -32.4 |
| 12 | Lee, Chamin | 1565 | KOR | F | F | F | +6B | +10N | =2N | 2.5 | 10.5 | 10.5 | 8.25 | 1671 | +6.0 |
| 13 | Seo, Yerin | 1506 | KOR | −3N | −6B | +20N | −7B | +11N | −8B | 2.0 | 16.0 | 17.0 | 3.50 | 1403 | -18.0 |
| 14 | Woo, Taisung | 1568 | KOR | =15B | =10N | +18B | −1N | −5B | −11B | 2.0 | 15.5 | 16.5 | 3.00 | 1360 | -43.2 |
| 15 | Kong, Youngkun | 0 | KOR | =14N | +?B | −10N | F | F | F | 1.5 | 4.5 | 4.5 | 1.00 | 1572 | 0.0 |
| 16 | Lee, Eunji | 1558 | KOR | +20N | −4B | −1N | F | F | −6B | 1.0 | 13.5 | 13.5 | 1.00 | 855 | -29.2 |
| 17 | FIDE 13225448 | 0 | — | −8N | −7B | −?N | +?B | −6N | −20B | 1.0 | 10.5 | 10.5 | 0.00 | 767 | 0.0 |
| 18 | Kim, Dohun | 1455 | KOR | −1B | +11B | −14N | F | F | F | 1.0 | 9.5 | 9.5 | 2.50 | 1457 | +1.2 |
| 19 | Choi, Gyungsook | 1477 | KOR | −4N | +20B | −8N | F | F | F | 1.0 | 8.0 | 8.0 | 1.00 | 850 | -10.8 |
| 20 | FIDE 13235745 | 0 | — | −16B | −19N | −13B | −11N | F | +17N | 1.0 | 7.5 | 7.5 | 1.00 | 714 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Gim, HajinKOR+69.65.0 pts · #1
- 2You, EunsungKOR+26.44.0 pts · #2
- 3Jun, SanghuiKOR+24.44.5 pts · #4
Top rating losers
- 1Woo, TaisungKOR-43.22.0 pts · #13
- 2Choi, JeonghyunKOR-38.83.0 pts · #8
- 3Kim, SihoKOR-32.42.5 pts · #15
Biggest upsets
- R5+155 Elo gap