Prepare against Ko Ko Ohn
FM · MMR · World #29,797 classical · FIDE ID 13000390
When preparing against Ko Ko Ohn, expect 1.e4 in 59% of White games. Against 1.e4 the reply is 1...c5 (89% of games); against 1.d4, 1...Nf6 (85%).
Our database contains 45 games by Ko Ko Ohn, covering Apr 2003 to Oct 2026. Below you'll find Ko Ko Ohn's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ko Ko Ohn before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,988 | 2,443 | Jan 2005 |
| Rapid | 1,995 | 2,236 | Mar 2023 |
| Blitz | 2,001 | 2,205 | Feb 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 45 | 22 | 5 | 18 | 48.9% |
| As White | 22 | 14 | 0 | 8 | 63.6% |
| As Black | 23 | 8 | 5 | 10 | 34.8% |
FIDE rated record
From FIDE's official rated-game ledger (2008-2026): 836 rated games against 403 different opponents, across 103 events in 2 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 210 | 109 | 26 | 75 | 51.9% | 1,904 | 1,957 | 8 |
| Rapid | 142 | 90 | 10 | 42 | 63.4% | 1,817 | 1,943 | 10 |
| Blitz | 459 | 303 | 19 | 137 | 66.0% | 1,846 | 1,981 | 18 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 185 | 39 | 11 | 135 | 21.1% |
| Against lower-rated | 616 | 444 | 46 | 126 | 72.1% |
Wins over titled players: 1 vs GM · 2 vs IM · 27 vs FM · 12 vs CM · 2 vs WIM · 4 vs WFM · 6 vs WCM.
Tournament wins
8 tournament wins from 99 events, 6 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 110 | 67 | 5 | 38 | 1,877 | 1,980 |
| 2025 | 229 | 133 | 20 | 76 | 1,876 | 1,971 |
| 2024 | 256 | 159 | 22 | 75 | 1,860 | 1,977 |
| 2023 | 207 | 138 | 7 | 62 | 1,800 | 1,928 |
| 2022 | 15 | 10 | 1 | 4 | 1,662 | 1,822 |
| 2019 | 8 | 4 | 2 | 2 | 1,892 | 1,950 |
| 2008 | 11 | 6 | 0 | 5 | 2,301 | 2,337 |
Where Ko Ko Ohn has played
Thailand (101) · Myanmar (Burma) (2)
Move-by-move preparation stats
Straight from the preparation tree built over all of Ko Ko Ohn's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ko Ko Ohn's side.
First moves as White (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 13 | 59.1% | 76.9% |
| c4 | 8 | 36.4% | 37.5% |
| f4 | 1 | 4.5% | 100.0% |
Main lines as White
- 1.e4 — 59% of White games, 76.9% score
- …c5 (54% of these games) — Ohn usually continues Nf3 (100.0% score)
- …c6 (23% of these games) — Ohn usually continues d4 (100.0% score)
- …e5 (15% of these games) — Ohn usually continues Nf3 (0.0% score)
- 1.c4 — 36% of White games, 37.5% score
- …e5 (38% of these games) — Ohn usually continues a3 (0.0% score)
- …Nf6 (25% of these games) — Ohn usually continues Nc3 (50.0% score)
- …e6 (25% of these games) — Ohn usually continues e4 (0.0% score)
As Black against 1.e4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 8 | 88.9% | 62.5% |
| e6 | 1 | 11.1% | 50.0% |
As Black against 1.d4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 11 | 84.6% | 27.3% |
| e6 | 1 | 7.7% | 100.0% |
| c5 | 1 | 7.7% | 100.0% |
Ko Ko Ohn's chess games
All 45 games by Ko Ko Ohn in the Chess.ceo database (Apr 2003 - Oct 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 22 wins, 5 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B55 | Sicilian | 5 | 5/0/0 | 100.0% |
| A20 | English Opening: Reverse Sicilian | 3 | 1/0/2 | 33.3% |
| B12 | Caro-Kann: Advance Variation | 2 | 2/0/0 | 100.0% |
| A36 | English Opening | 2 | 1/0/1 | 50.0% |
| E80 | King's Indian: Sämisch | 2 | 1/0/1 | 50.0% |
| C77 | Ruy Lopez: Morphy Defense | 1 | 0/0/1 | 0.0% |
| B21 | Sicilian: Grand Prix Attack | 1 | 1/0/0 | 100.0% |
| A03 | Bird's opening | 1 | 1/0/0 | 100.0% |
| B92 | Sicilian: Najdorf | 1 | 0/0/1 | 0.0% |
| B11 | Caro-Kann: Two Knights Variation | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A46 | Indian Defense | 3 | 0/0/3 | 0.0% |
| A31 | Sicilian | 3 | 1/1/1 | 33.3% |
| E85 | King's Indian: Sämisch | 2 | 0/2/0 | 0.0% |
| A43 | Benoni Defense | 2 | 1/0/1 | 50.0% |
| A32 | Catalan | 2 | 1/0/1 | 50.0% |
| B22 | Sicilian: Alapin | 2 | 2/0/0 | 100.0% |
| B23 | Sicilian: Closed | 2 | 0/2/0 | 0.0% |
| B90 | Sicilian: Najdorf | 2 | 1/0/1 | 50.0% |
| A04 | Réti Opening | 1 | 0/0/1 | 0.0% |
| A97 | Horwitz Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Shinya Kojima | 2,281 | 2nd Bangkok Summer International Chess Open | Rapid | A97 |
| May 2025 | Ching Wei Austin Yang | 2,176 | 5th Big Rook Open | A22 |
| May 2025 | Jony Habla | 2,174 | 5th Big Rook Open | B12 |
| May 2025 | Hong Ming Teo | 1,989 | 5th Big Rook Open | B12 |
| Jul 2023 | Fredrik Attefall | 1,936 | Phuket Blue Chevaliers Open | A31 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Bangkok Olympiad Qual | 2024 | 6 | 4.5 | 2,011 |
| 5th Bangkok Big Rook Open | 2024 | 6 | 4.5 | 1,892 |
| 5th Big Rook Open | 2025 | 6 | 3 | 2,169 |
| 3rd Phuket Blue Chevaliers Open | 2024 | 5 | 3 | 2,016 |
| Bangkok Big Rook Open | 2023 | 5 | 4 | 1,960 |
| 2nd Bangkok Summer International Chess Open | Rapid | 2026 | 3 | 1 | 2,101 |
| 1st Bangkok Summer Open | 2025 | 2 | 0 | 1,826 |
| Bangkok Rooky Open | 2023 | 2 | 2 | 2,041 |
Interactive opening tree from all 45 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ko Ko Ohn's chess games?
45 games by Ko Ko Ohn, from Apr 2003 to Oct 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Ko Ko Ohn has played.
What does Ko Ko Ohn play on the first move as White?
Across 22 games with White in our database, Ko Ko Ohn opens with 1.e4 (59% of games), 1.c4 (36% of games), 1.f4 (5% of games). Against 1.e4 as Black, Ko Ko Ohn answers 1...c5 (89% of games), 1...e6 (11% of games). Against 1.d4: 1...Nf6 (85% of games), 1...e6 (8% of games), 1...c5 (8% of games).
What openings does Ko Ko Ohn play as White?
As White, Ko Ko Ohn's most-played openings in our database are: Sicilian (5 games, 100.0% win rate); English Opening: Reverse Sicilian (3 games, 33.3% win rate); Caro-Kann: Advance Variation (2 games, 100.0% win rate). The full breakdown of 22 games with White is in the table above.
What openings does Ko Ko Ohn play as Black?
As Black, Ko Ko Ohn most often plays: Indian Defense (3 games, 0.0% win rate); Sicilian (3 games, 33.3% win rate); King's Indian: Sämisch (2 games, 0.0% win rate). See the table above for the top ten Black openings across 23 games.
What is Ko Ko Ohn's FIDE rating?
Ko Ko Ohn is currently rated 1,988 in classical chess, 1,995 in rapid and 2,001 in blitz. Peak classical rating: 2,443 (Jan 2005).
How many games has Ko Ko Ohn played?
Our database contains 45 games by Ko Ko Ohn, covering Apr 2003 to Oct 2026. Overall record: 22 wins, 5 draws, 18 losses (48.9% win rate).
How do I prepare against Ko Ko Ohn?
45 games by Ko Ko Ohn reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.