Prepare against Gunnar Andersen
FM · United States · World #4,993 classical · FIDE ID 30920795
Our database contains 243 games by Gunnar Andersen, covering Jun 2015 to Jul 2026. Below you'll find Gunnar Andersen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Gunnar Andersen 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 | 2,274 | 2,298 | Apr 2025 |
| Blitz | 2,177 | 2,199 | Aug 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 243 | 83 | 70 | 90 | 34.2% |
| As White | 126 | 48 | 35 | 43 | 38.1% |
| As Black | 117 | 35 | 35 | 47 | 29.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Gunnar Andersen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Gunnar Andersen's side.
First moves as White (126 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 78 | 61.9% | 46.8% |
| d4 | 27 | 21.4% | 66.7% |
| Nf3 | 17 | 13.5% | 52.9% |
| g3 | 3 | 2.4% | 33.3% |
| d3 | 1 | 0.8% | 100.0% |
Main lines as White
- 1.e4 — 62% of White games, 46.8% score
- …c5 (38% of these games) — Andersen usually continues Nf3 (46.6% score)
- …e5 (29% of these games) — Andersen usually continues Nf3 (45.0% score)
- …c6 (13% of these games) — Andersen usually continues Nc3 (41.7% score)
- 1.d4 — 21% of White games, 66.7% score
- …Nf6 (70% of these games) — Andersen usually continues Nc3 (65.8% score)
- …d5 (26% of these games) — Andersen usually continues Nc3 (71.4% score)
- …f5 (4% of these games) — Andersen usually continues Nc3 (50.0% score)
As Black against 1.e4 (69 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 61 | 88.4% | 46.7% |
| g6 | 8 | 11.6% | 68.8% |
As Black against 1.d4 (37 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 33 | 89.2% | 36.4% |
| d5 | 3 | 8.1% | 66.7% |
| g6 | 1 | 2.7% | 0.0% |
Gunnar Andersen's chess games
All 243 games by Gunnar Andersen in the Chess.ceo database (Jun 2015 - 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: 83 wins, 70 draws, 90 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D00 | Queen's Pawn Game: Chigorin Variation | 23 | 13/6/4 | 56.5% |
| B30 | Sicilian | 12 | 5/3/4 | 41.7% |
| B90 | Sicilian: Najdorf | 9 | 4/1/4 | 44.4% |
| A07 | Réti Opening | 8 | 3/3/2 | 37.5% |
| B11 | Caro-Kann: Two Knights Variation | 6 | 1/2/3 | 16.7% |
| C88 | Ruy Lopez: Closed | 6 | 2/2/2 | 33.3% |
| C02 | French: Advance Variation | 4 | 1/2/1 | 25.0% |
| C00 | King's Indian Attack | 3 | 2/0/1 | 66.7% |
| A04 | Modern Defense | 3 | 0/1/2 | 0.0% |
| C04 | French: Tarrasch Variation | 3 | 2/0/1 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 26 | 7/13/6 | 26.9% |
| B30 | Sicilian: Rossolimo | 13 | 0/5/8 | 0.0% |
| D76 | Indian Defense | 11 | 4/4/3 | 36.4% |
| B06 | Modern Defense | 9 | 5/1/3 | 55.6% |
| B38 | Sicilian: Accelerated Dragon | 8 | 2/3/3 | 25.0% |
| D85 | Grünfeld Defense | 6 | 0/1/5 | 0.0% |
| A58 | King's Indian Defense | 6 | 0/3/3 | 0.0% |
| B83 | Sicilian: Four Knights | 4 | 2/0/2 | 50.0% |
| B22 | Sicilian: Alapin | 4 | 3/0/1 | 75.0% |
| B26 | Sicilian: Closed | 3 | 3/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2022 | Mikhail Al. Antipov | 2,608 | US Masters Open | C02 |
| Mar 2023 | Alexander Katz | 2,470 | Los Angeles 1000 GM Spring Open | B32 |
| Jun 2023 | Mark Paragua | 2,447 | 16th Philadelphia Open | B90 |
| Mar 2023 | Joseph Levine | 2,417 | Los Angeles 1000 GM Spring Open | B30 |
| May 2022 | Bach Ngo | 2,361 | 31st Chicago Open | D00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| New York Winter GM-D | 2023 | 9 | 3.5 | 2,146 |
| Los Angeles 1000 GM Spring Open | 2023 | 9 | 5 | 2,407 |
| RUDAR 48 IM A 2026 | 2026 | 9 | 4.5 | 2,242 |
| 50th World Open | 2022 | 9 | 6 | 2,227 |
| RUDAR 49 IM 2026 | 2026 | 9 | 5.5 | 2,336 |
| 52nd World Open | 2024 | 9 | 5 | 2,266 |
| 47th Dortmund Sparkassen Open | 2019 | 9 | 5 | 2,298 |
| 13th Saint Louis SPICE Cup Open | 2019 | 9 | 3.5 | 2,106 |
Interactive opening tree from all 243 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Gunnar Andersen's chess games?
243 games by Gunnar Andersen, from Jun 2015 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 Gunnar Andersen has played.
What does Gunnar Andersen play on the first move as White?
Across 126 games with White in our database, Gunnar Andersen opens with 1.e4 (62% of games), 1.d4 (21% of games), 1.Nf3 (13% of games). Against 1.e4 as Black, Gunnar Andersen answers 1...c5 (88% of games), 1...g6 (12% of games). Against 1.d4: 1...Nf6 (89% of games), 1...d5 (8% of games), 1...g6 (3% of games).
What openings does Gunnar Andersen play as White?
As White, Gunnar Andersen's most-played openings in our database are: Queen's Pawn Game: Chigorin Variation (23 games, 56.5% win rate); Sicilian (12 games, 41.7% win rate); Sicilian: Najdorf (9 games, 44.4% win rate). The full breakdown of 126 games with White is in the table above.
What openings does Gunnar Andersen play as Black?
As Black, Gunnar Andersen most often plays: Sicilian (26 games, 26.9% win rate); Sicilian: Rossolimo (13 games, 0.0% win rate); Indian Defense (11 games, 36.4% win rate). See the table above for the top ten Black openings across 117 games.
What is Gunnar Andersen's FIDE rating?
Gunnar Andersen is currently rated 2,274 in classical chess and 2,177 in blitz. Peak classical rating: 2,298 (Apr 2025).
How many games has Gunnar Andersen played?
Our database contains 243 games by Gunnar Andersen, covering Jun 2015 to Jul 2026. Overall record: 83 wins, 70 draws, 90 losses (34.2% win rate).
How do I prepare against Gunnar Andersen?
243 games by Gunnar Andersen 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.