Prepare against Bayarjavkhlan Delgerdalai
FM · Czechia · World #1,840 classical · FIDE ID 23727276
When preparing against Bayarjavkhlan Delgerdalai, expect 1.e4 in 77% of White games. Against 1.e4 the reply is 1...c5 (75% of games); against 1.d4, 1...Nf6 (64%). Lowest win rate among frequent openings: Sicilian: Najdorf as Black, 34.5% over 29 games.
Our database contains 438 games by Bayarjavkhlan Delgerdalai, covering Feb 2019 to Aug 2026. Below you'll find Bayarjavkhlan Delgerdalai's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bayarjavkhlan Delgerdalai 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 | 2,392 | 2,414 | Feb 2026 |
| Rapid | 2,360 | 2,367 | Sep 2024 |
| Blitz | 2,391 | 2,409 | Feb 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 438 | 175 | 133 | 130 | 40.0% |
| As White | 227 | 102 | 67 | 58 | 44.9% |
| As Black | 211 | 73 | 66 | 72 | 34.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bayarjavkhlan Delgerdalai's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bayarjavkhlan Delgerdalai's side.
First moves as White (227 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 175 | 77.1% | 59.4% |
| d4 | 43 | 18.9% | 60.5% |
| Nf3 | 6 | 2.6% | 58.3% |
| c4 | 3 | 1.3% | 66.7% |
Main lines as White
- 1.e4 — 77% of White games, 59.4% score
- …c5 (39% of these games) — Delgerdalai usually continues Nf3 (56.5% score)
- …e5 (22% of these games) — Delgerdalai usually continues Nf3 (62.8% score)
- …e6 (13% of these games) — Delgerdalai usually continues d4 (70.0% score)
- 1.d4 — 19% of White games, 60.5% score
- …Nf6 (72% of these games) — Delgerdalai usually continues c4 (54.8% score)
- …d5 (23% of these games) — Delgerdalai usually continues c4 (77.8% score)
- …e6 (2% of these games) — Delgerdalai usually continues c4 (50.0% score)
As Black against 1.e4 (112 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 84 | 75.0% | 56.5% |
| e5 | 17 | 15.2% | 38.2% |
| e6 | 11 | 9.8% | 54.5% |
As Black against 1.d4 (59 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 38 | 64.4% | 43.4% |
| d5 | 21 | 35.6% | 40.5% |
Bayarjavkhlan Delgerdalai's chess games
All 438 games by Bayarjavkhlan Delgerdalai in the Chess.ceo database (Feb 2019 - Aug 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: 175 wins, 133 draws, 130 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B41 | Sicilian | 24 | 9/8/7 | 37.5% |
| B90 | Sicilian: Najdorf | 19 | 8/2/9 | 42.1% |
| C02 | French: Advance Variation | 12 | 8/3/1 | 66.7% |
| B12 | Caro-Kann: Advance Variation | 11 | 4/2/5 | 36.4% |
| C88 | Ruy Lopez: Closed | 8 | 4/1/3 | 50.0% |
| C77 | Ruy Lopez: Morphy Defense | 7 | 4/1/2 | 57.1% |
| A28 | Indian Defense | 7 | 3/4/0 | 42.9% |
| C42 | Petrov's Defense | 6 | 3/3/0 | 50.0% |
| B04 | Alekhine Defense | 6 | 4/1/1 | 66.7% |
| B01 | Scandinavian Defense: Main Line | 6 | 3/1/2 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B92 | Sicilian: Najdorf | 29 | 10/7/12 | 34.5% |
| A31 | Sicilian | 15 | 10/1/4 | 66.7% |
| A46 | Indian Defense | 15 | 6/6/3 | 40.0% |
| B22 | Sicilian: Alapin | 10 | 3/5/2 | 30.0% |
| E04 | Catalan | 9 | 3/1/5 | 33.3% |
| A07 | Réti Opening | 8 | 4/2/2 | 50.0% |
| D37 | Queen's Gambit Declined | 8 | 2/4/2 | 25.0% |
| B45 | Sicilian: Four Knights | 7 | 4/2/1 | 57.1% |
| B52 | Sicilian: Moscow Variation | 7 | 3/2/2 | 42.9% |
| A13 | English Opening | 6 | 2/1/3 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2024 | Tomas Laurusas | 2,590 | chT-SVK 2324 | D11 |
| Feb 2025 | Robert Kempinski | 2,560 | TCh-CZE Extraliga 2024-25 | B90 |
| Jul 2025 | Jan Subelj | 2,549 | 36th Czech Rapid G1 | B30 |
| Feb 2025 | Marcin Krzyzanowski | 2,503 | TCh-CZE Extraliga 2024-25 | A06 |
| Dec 2022 | Nino Batsiashvili | 2,493 | ch-EU Blitz | C60 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Piestany Slovakia Open A | 2024 | 17 | 7 | 2,193 |
| Stare Mesto Open | 2023 | 15 | 7.5 | 2,234 |
| chT-CZE 1 Liga Vychod | 2026 | 13 | 8 | 2,381 |
| TIPOS TCh-SVK 2025-26 | 2026 | 11 | 6 | 2,407 |
| TCh-CZE Extraliga 2024-25 | 2025 | 11 | 3.5 | 2,416 |
| TCh-CZE Extraliga 2025-26 | 2026 | 11 | 4 | 2,282 |
| chT2E-CZE 2122 | 2022 | 10 | 4.5 | 2,121 |
| 36th Czech Rapid G1 | 2025 | 9 | 5 | 2,359 |
Interactive opening tree from all 438 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bayarjavkhlan Delgerdalai's chess games?
438 games by Bayarjavkhlan Delgerdalai, from Feb 2019 to Aug 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 Bayarjavkhlan Delgerdalai has played.
What does Bayarjavkhlan Delgerdalai play on the first move as White?
Across 227 games with White in our database, Bayarjavkhlan Delgerdalai opens with 1.e4 (77% of games), 1.d4 (19% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Bayarjavkhlan Delgerdalai answers 1...c5 (75% of games), 1...e5 (15% of games), 1...e6 (10% of games). Against 1.d4: 1...Nf6 (64% of games), 1...d5 (36% of games).
What openings does Bayarjavkhlan Delgerdalai play as White?
As White, Bayarjavkhlan Delgerdalai's most-played openings in our database are: Sicilian (24 games, 37.5% win rate); Sicilian: Najdorf (19 games, 42.1% win rate); French: Advance Variation (12 games, 66.7% win rate). The full breakdown of 227 games with White is in the table above.
What openings does Bayarjavkhlan Delgerdalai play as Black?
As Black, Bayarjavkhlan Delgerdalai most often plays: Sicilian: Najdorf (29 games, 34.5% win rate); Sicilian (15 games, 66.7% win rate); Indian Defense (15 games, 40.0% win rate). See the table above for the top ten Black openings across 211 games.
What is Bayarjavkhlan Delgerdalai's FIDE rating?
Bayarjavkhlan Delgerdalai is currently rated 2,392 in classical chess, 2,360 in rapid and 2,391 in blitz. Peak classical rating: 2,414 (Feb 2026).
How many games has Bayarjavkhlan Delgerdalai played?
Our database contains 438 games by Bayarjavkhlan Delgerdalai, covering Feb 2019 to Aug 2026. Overall record: 175 wins, 133 draws, 130 losses (40.0% win rate).
How do I prepare against Bayarjavkhlan Delgerdalai?
438 games by Bayarjavkhlan Delgerdalai 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.