Player profile

Oh, Sejun

Standard: 1826 Rapid: 1690 Blitz: 1699 (last updated 2026-11-02)

FIDE ID: 13216112 (view FIDE profile)

Federation: KOR Sex: M Birth Year: 2014 Age: 12

Title: — Women's title: — Other title: — FOA title: —

Games: 14 Wins: 4 (29%) Draws: 3 (21%) Losses: 7 (50%)

View all games

Dossier

14 of 14 games analyzed.

View full dossier

Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 6 games 2W 1D 3L

Dutch Defense 2 games 1W 0D 1L

Classical Variation 1 game 0W 0D 1L

Huisl Variation 1 game 0W 0D 1L

Fianchetto Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Gambit Declined 1 game 1W 0D 0L

Chigorin Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Benoni Defense 1 game 0W 0D 1L

King's Pawn Line 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Gambit Accepted 1 game 0W 0D 1L

Old Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Catalan Opening 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

As Black 8 games 2W 2D 4L

Sicilian Defense 5 games 2W 2D 1L

Accelerated Dragon 3 games 1W 1D 1L

Maróczy Bind, Gurgenidze Variation 2 games 1W 1D 0L

(unspecified) 1 game 0W 0D 1L

Old Sicilian 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Alapin Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Semi-Slav Defense 3 games 0W 0D 3L

Noteboom Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Normal Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Quiet Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Blunders Top 4 of 74

This player's costliest moves in analyzed games. Can you find the winning move?

2026.01.03 · 45... Rc4 (−47.5% win chance) 1/2-1/2

Oh, Sejun

Megias, Eva

Engine View game

2025.12.30 · 24... Nxe3 (−41.2% win chance) 0-1

Oh, Sejun

Gibson, Christopher A

Engine View game

2026.01.03 · 39... Rf5 (−33.4% win chance) 1/2-1/2

Oh, Sejun

Megias, Eva

Engine View game

2026.01.02 · 19... Nxf2 (−28.7% win chance) 1-0

Oh, Sejun

Evans-White, Daniel

Engine View game

View blunders & mistakes

Games Showing all 14 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.01.04	Round 5: V, Krish - Oh, Sejun	5.14	2026.01.04 V, Krish (343470556) (1521)	1	98.20%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2026.01.04	Round 4: Oh, Sejun - Napolitano, Domenico	4.16	2026.01.04 Napolitano, Domenico (456993) (1863)	1	96.10%	1. d4 d5 2. c4 Nc6 3. e3 e5
2026.01.03	Round 3: Megias, Eva - Oh, Sejun	3.17	2026.01.03 Megias, Eva (465062) (1676)	½	77.50%	1. e4 c5 2. Nf3 Nc6 3. c3 Nf6
2026.01.03	Round 2: Oh, Sejun - Simms, Jake	2.15	2026.01.03 Simms, Jake (343404367) (1832)	0	76.20%	1. d4 f5 2. g3 Nf6 3. Bg2 e6
2026.01.02	Round 1: Evans-White, Daniel - Oh, Sejun	1.12	2026.01.02 Evans-White, Daniel (343461646) (1890)	0	85.20%	1. d4 d5 2. c4 e6 3. Nc3 c6
2026.01.02	Round 9: Lee, Younggyu - Oh, Sejun	9.22	2026.01.02 Lee, Younggyu (13227378) (1905)	0	91.70%	1. Nf3 d5 2. c4 c6 3. e3 e6
2026.01.01	Round 8: Oh, Sejun - Ashton, Alannah	8.37	2026.01.01 Ashton, Alannah (480681) (1984)	0	86.00%	1. d4 Nf6 2. c4 g6 3. f3 c5
2026.01.01	Round 7: Chapman, Luke - Oh, Sejun	7.39	2026.01.01 Chapman, Luke (343416608) (1976)	½	93.40%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.12.31	Round 6: Oh, Sejun - Clarke, Connor	6.30	2025.12.31 Clarke, Connor (457655) (2058)	0	90.70%	1. d4 d5 2. c4 dxc4 3. e3 Nf6
2025.12.30	Round 5: Gibson, Christopher A - Oh, Sejun	5.47	2025.12.30 Gibson, Christopher A (414697) (1887)	1	89.10%	1. e4 c5 2. c3 Nf6 3. e5 Nd5
2025.12.30	Round 4: ONUOHA, Obioma - Oh, Sejun	4.36	2025.12.30 ONUOHA, Obioma (8505837) (2056)	0	83.50%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.12.29	Round 3: Oh, Sejun - Norinkeviciute, Rasa	3.39	2025.12.29 Norinkeviciute, Rasa (12801925) (1904)	½	83.60%	1. d4 Nf6 2. c4 e6 3. g3 Bb4+
2025.12.29	Round 2: Bharat Kumar, Balahari - Oh, Sejun	2.27	2025.12.29 Bharat Kumar, Balahari (496464) (2068)	0	91.40%	1. d4 d5 2. c4 c6 3. Nf3 e6
2025.12.28	Round 1: Oh, Sejun - Binks, Michael	1.49	2025.12.28 Binks, Michael (1800957) (1898)	1	82.60%	1. d4 f5 2. g3 g6 3. Bg2 Bg7