Prepare against Thien Kim Ngoc Diep Mai
WFM · VNM · World #70,120 classical · FIDE ID 12401846
When preparing against Thien Kim Ngoc Diep Mai, expect 1.d4 in 41% of White games. Against 1.e4 the reply is 1...e5 (35% of games); against 1.d4, 1...d5 (50%). Lowest win rate among frequent openings: Slav Defense as Black, 33.3% over 15 games.
Our database contains 189 games by Thien Kim Ngoc Diep Mai, covering Nov 2012 to Jul 2026. Below you'll find Thien Kim Ngoc Diep Mai's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Thien Kim Ngoc Diep Mai 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 | 1,821 | 1,899 | Dec 2025 |
| Rapid | 1,744 | 1,899 | Apr 2024 |
| Blitz | 1,844 | 1,891 | Dec 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 189 | 86 | 36 | 67 | 45.5% |
| As White | 94 | 42 | 21 | 31 | 44.7% |
| As Black | 95 | 44 | 15 | 36 | 46.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Thien Kim Ngoc Diep Mai's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Thien Kim Ngoc Diep Mai's side.
First moves as White (94 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 39 | 41.5% | 51.3% |
| e4 | 38 | 40.4% | 57.9% |
| c4 | 12 | 12.8% | 54.2% |
| Nf3 | 5 | 5.3% | 80.0% |
Main lines as White
- 1.d4 — 41% of White games, 51.3% score
- …d5 (54% of these games) — Mai usually continues c4 (61.8% score)
- …Nf6 (44% of these games) — Mai usually continues c4 (53.6% score)
- …f5 (3% of these games) — Mai usually continues c4 (0.0% score)
- 1.e4 — 40% of White games, 57.9% score
- …c5 (47% of these games) — Mai usually continues Nf3 (58.8% score)
- …e5 (21% of these games) — Mai usually continues Nf3 (68.8% score)
- …e6 (11% of these games) — Mai usually continues d4 (50.0% score)
As Black against 1.e4 (52 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 18 | 34.6% | 75.0% |
| c5 | 15 | 28.8% | 36.7% |
| g6 | 7 | 13.5% | 78.6% |
| c6 | 5 | 9.6% | 50.0% |
| d6 | 4 | 7.7% | 62.5% |
| b6 | 3 | 5.8% | 66.7% |
As Black against 1.d4 (38 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 19 | 50.0% | 39.5% |
| Nf6 | 17 | 44.7% | 44.1% |
| f5 | 1 | 2.6% | 100.0% |
| g6 | 1 | 2.6% | 100.0% |
Thien Kim Ngoc Diep Mai's chess games
All 189 games by Thien Kim Ngoc Diep Mai in the Chess.ceo database (Nov 2012 - Jul 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: 86 wins, 36 draws, 67 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Indian Defense | 9 | 4/2/3 | 44.4% |
| B44 | Sicilian | 9 | 4/1/4 | 44.4% |
| D15 | Slav Defense | 5 | 1/1/3 | 20.0% |
| A36 | English Opening: Symmetrical | 4 | 2/1/1 | 50.0% |
| A80 | Queen's Pawn Game | 4 | 3/1/0 | 75.0% |
| A25 | English Opening: Reverse Sicilian | 3 | 2/1/0 | 66.7% |
| A40 | Modern Defense | 3 | 1/0/2 | 33.3% |
| E43 | Queen's Indian Defense | 3 | 2/0/1 | 66.7% |
| C54 | Italian Game: Giuoco Pianissimo | 3 | 2/1/0 | 66.7% |
| B07 | Pirc Defense | 3 | 2/0/1 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D13 | Slav Defense | 15 | 5/3/7 | 33.3% |
| E91 | King's Indian Defense: Orthodox Variation | 6 | 2/2/2 | 33.3% |
| B76 | Sicilian | 6 | 3/0/3 | 50.0% |
| B06 | Modern Defense | 6 | 4/1/1 | 66.7% |
| C50 | Italian Game | 5 | 4/0/1 | 80.0% |
| B06 | Pirc Defense | 4 | 2/1/1 | 50.0% |
| A46 | Indian Defense | 4 | 2/1/1 | 50.0% |
| B13 | Caro-Kann: Exchange Variation | 3 | 1/1/1 | 33.3% |
| D31 | Semi-Slav Defense | 3 | 1/0/2 | 33.3% |
| B00 | Owen Defense | 3 | 2/0/1 | 66.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2018 | Luong Phuong Hanh | 2,152 | ch-VIE B w | B41 |
| Nov 2018 | Hoang Tran Chau Le | 2,151 | ch-VIE B w | B30 |
| Jan 2005 | Zulkafli Nur Shazwani | 2,138 | ASEAN-ch6 U16 Girls | C01 |
| Aug 2013 | Hoang Anh Nguyen | 1,896 | chT-VIE w | A06 |
| Jul 2014 | Truong Canh Nguyen | 1,866 | ch-VIE U15 | E51 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-VIE w | 2020 | 77 | 33.5 | 1,883 |
| ch-VIE U15 Girls | 2005 | 18 | 16 | 2,376 |
| ch-VIE U11 Girls | 2001 | 18 | 11 | – |
| ch-VIE U13 Girls | 2003 | 16 | 9.5 | – |
| Nu Tieu hoc | 2000 | 9 | 5.5 | – |
| ch-VIE U09 Girls | 1999 | 9 | 6.5 | – |
| ASEAN-ch6 U16 Girls | 2005 | 9 | 4.5 | 2,036 |
| 5th Tan Binh Open w | 2000 | 9 | 3 | 2,087 |
Interactive opening tree from all 189 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Thien Kim Ngoc Diep Mai's chess games?
189 games by Thien Kim Ngoc Diep Mai, from Nov 2012 to Jul 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 Thien Kim Ngoc Diep Mai has played.
What does Thien Kim Ngoc Diep Mai play on the first move as White?
Across 94 games with White in our database, Thien Kim Ngoc Diep Mai opens with 1.d4 (41% of games), 1.e4 (40% of games), 1.c4 (13% of games). Against 1.e4 as Black, Thien Kim Ngoc Diep Mai answers 1...e5 (35% of games), 1...c5 (29% of games), 1...g6 (13% of games). Against 1.d4: 1...d5 (50% of games), 1...Nf6 (45% of games), 1...f5 (3% of games).
What openings does Thien Kim Ngoc Diep Mai play as White?
As White, Thien Kim Ngoc Diep Mai's most-played openings in our database are: Indian Defense (9 games, 44.4% win rate); Sicilian (9 games, 44.4% win rate); Slav Defense (5 games, 20.0% win rate). The full breakdown of 94 games with White is in the table above.
What openings does Thien Kim Ngoc Diep Mai play as Black?
As Black, Thien Kim Ngoc Diep Mai most often plays: Slav Defense (15 games, 33.3% win rate); King's Indian Defense: Orthodox Variation (6 games, 33.3% win rate); Sicilian (6 games, 50.0% win rate). See the table above for the top ten Black openings across 95 games.
What is Thien Kim Ngoc Diep Mai's FIDE rating?
Thien Kim Ngoc Diep Mai is currently rated 1,821 in classical chess, 1,744 in rapid and 1,844 in blitz. Peak classical rating: 1,899 (Dec 2025).
How many games has Thien Kim Ngoc Diep Mai played?
Our database contains 189 games by Thien Kim Ngoc Diep Mai, covering Nov 2012 to Jul 2026. Overall record: 86 wins, 36 draws, 67 losses (45.5% win rate).
How do I prepare against Thien Kim Ngoc Diep Mai?
189 games by Thien Kim Ngoc Diep Mai 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.