Prepare against Michael Mortensen
CM · Norway · World #10,134 classical · FIDE ID 1580515
When preparing against Michael Mortensen, expect 1.Nf3 in 73% of White games. Against 1.e4 the reply is 1...c5 (88% of games); against 1.d4, 1...Nf6 (100%). Lowest win rate among frequent openings: Réti Opening as White, 44.0% over 50 games.
Our database contains 217 games by Michael Mortensen, covering Sep 2023 to Nov 2026. Below you'll find Michael Mortensen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Michael Mortensen 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 | 2,168 | 2,198 | May 2026 |
| Rapid | 2,114 | 2,114 | Nov 2026 |
| Blitz | 2,112 | 2,146 | Oct 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 217 | 89 | 22 | 106 | 41.0% |
| As White | 107 | 52 | 10 | 45 | 48.6% |
| As Black | 110 | 37 | 12 | 61 | 33.6% |
FIDE rated record
From FIDE's official rated-game ledger (2023-2026): 1,072 rated games against 573 different opponents, across 152 events in 8 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 | 322 | 157 | 64 | 101 | 48.8% | 1,827 | 1,871 | 12 |
| Rapid | 257 | 139 | 38 | 80 | 54.1% | 1,807 | 1,883 | 14 |
| Blitz | 479 | 253 | 40 | 186 | 52.8% | 1,852 | 1,896 | 9 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 458 | 126 | 81 | 251 | 27.5% |
| Against lower-rated | 524 | 364 | 55 | 105 | 69.5% |
Wins over titled players: 2 vs IM · 12 vs FM · 19 vs CM · 1 vs WIM · 5 vs WCM.
Tournament wins
15 tournament wins from 136 events, 6 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 204 | 105 | 32 | 67 | 1,954 | 2,023 |
| 2025 | 397 | 207 | 59 | 131 | 1,906 | 1,975 |
| 2024 | 376 | 199 | 42 | 135 | 1,781 | 1,824 |
| 2023 | 95 | 46 | 10 | 39 | 1,410 | 1,379 |
Where Michael Mortensen has played
Norway (137) · Czechia (3) · Denmark (3) · Sweden (3) · Spain (2) · Estonia (2) · Iceland (1) · Latvia (1)
Move-by-move preparation stats
Straight from the preparation tree built over all of Michael Mortensen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Michael Mortensen's side.
First moves as White (103 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 75 | 72.8% | 50.7% |
| d4 | 19 | 18.4% | 52.6% |
| e4 | 5 | 4.9% | 90.0% |
| c4 | 4 | 3.9% | 50.0% |
Main lines as White
- 1.Nf3 — 73% of White games, 50.7% score
- …Nf6 (33% of these games) — Mortensen usually continues e3 (42.0% score)
- …d5 (31% of these games) — Mortensen usually continues e3 (47.8% score)
- …c5 (16% of these games) — Mortensen usually continues e3 (50.0% score)
- 1.d4 — 18% of White games, 52.6% score
- …d5 (58% of these games) — Mortensen usually continues c4 (50.0% score)
- …Nf6 (42% of these games) — Mortensen usually continues c4 (35.7% score)
As Black against 1.e4 (49 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 43 | 87.8% | 33.7% |
| e5 | 3 | 6.1% | 33.3% |
| c6 | 2 | 4.1% | 100.0% |
As Black against 1.d4 (31 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 31 | 100.0% | 46.8% |
Michael Mortensen's chess games
All 217 games by Michael Mortensen in the Chess.ceo database (Sep 2023 - Nov 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: 89 wins, 22 draws, 106 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A05 | Réti Opening | 50 | 22/3/25 | 44.0% |
| A04 | Colle System | 13 | 6/0/7 | 46.2% |
| London System | 5 | 4/0/1 | 80.0% | |
| A04 | Modern Defense | 4 | 4/0/0 | 100.0% |
| A06 | English Opening: Slav Setup | 4 | 3/1/0 | 75.0% |
| Catalan | 4 | 1/1/2 | 25.0% | |
| D41 | English Opening | 3 | 0/1/2 | 0.0% |
| D43 | Semi-Slav Defense | 3 | 2/0/1 | 66.7% |
| Petrov's Defense | 2 | 2/0/0 | 100.0% | |
| E73 | King's Indian Defense: Averbakh System | 2 | 0/0/2 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A50 | Indian Defense | 11 | 4/1/6 | 36.4% |
| B54 | Sicilian | 11 | 6/0/5 | 54.5% |
| A31 | English Opening | 6 | 1/1/4 | 16.7% |
| B23 | Sicilian: Closed | 6 | 1/0/5 | 16.7% |
| A05 | Réti Opening | 6 | 0/0/6 | 0.0% |
| B70 | Sicilian: Dragon | 5 | 0/0/5 | 0.0% |
| B52 | Sicilian: Moscow Variation | 5 | 0/0/5 | 0.0% |
| A45 | Queen's Pawn Game | 5 | 4/0/1 | 80.0% |
| B47 | Sicilian: Taimanov | 5 | 0/2/3 | 0.0% |
| B22 | Sicilian: Alapin | 4 | 2/2/0 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Dennis Wagner | 2,577 | 1st 3-0 Thu 20th Aug 2026 | A04 |
| Aug 2026 | Sergei Iskusnyh | 2,440 | 1st 3-0 Thu 20th Aug 2026 | A06 |
| Aug 2026 | Lorenzo Perea Fruet | 2,400 | Titled Tue 25th Aug 2026 | A04 |
| Aug 2026 | Agustin Bonaveri | 2,367 | Titled Tue 4th Aug 2026 | B23 |
| Aug 2026 | Melika Mohammadi | 2,342 | 1st 3-0 Thu 20th Aug 2026 | A04 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 99 | 41.5 | 2,112 |
| 1st 3-0 Thu 13th Aug 2026 | 2026 | 11 | 3 | 1,924 |
| 1st 3-0 Thu 9th Jul 2026 | 2026 | 11 | 4 | 1,969 |
| 1st 3-0 Thu 20th Aug 2026 | 2026 | 11 | 5.5 | 2,314 |
| 1st 3-0 Thu 27th Aug 2026 | 2026 | 11 | 5 | 2,216 |
| Det åpne NM i hurtigsjakk | 2026 | 10 | 5.5 | 1,967 |
| 1st 3-0 Thu 21st May 2026 | 2026 | 9 | 4 | 2,078 |
| Landsturneringen 2023 | Klasse Mikroputt | 2023 | 9 | 8 | – |
Interactive opening tree from all 217 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Michael Mortensen's chess games?
217 games by Michael Mortensen, from Sep 2023 to Nov 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 Michael Mortensen has played.
What does Michael Mortensen play on the first move as White?
Across 103 games with White in our database, Michael Mortensen opens with 1.Nf3 (73% of games), 1.d4 (18% of games), 1.e4 (5% of games). Against 1.e4 as Black, Michael Mortensen answers 1...c5 (88% of games), 1...e5 (6% of games), 1...c6 (4% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Michael Mortensen play as White?
As White, Michael Mortensen's most-played openings in our database are: Réti Opening (50 games, 44.0% win rate); Colle System (13 games, 46.2% win rate); London System (5 games, 80.0% win rate). The full breakdown of 107 games with White is in the table above.
What openings does Michael Mortensen play as Black?
As Black, Michael Mortensen most often plays: Indian Defense (11 games, 36.4% win rate); Sicilian (11 games, 54.5% win rate); English Opening (6 games, 16.7% win rate). See the table above for the top ten Black openings across 110 games.
What is Michael Mortensen's FIDE rating?
Michael Mortensen is currently rated 2,168 in classical chess, 2,114 in rapid and 2,112 in blitz. Peak classical rating: 2,198 (May 2026).
How many games has Michael Mortensen played?
Our database contains 217 games by Michael Mortensen, covering Sep 2023 to Nov 2026. Overall record: 89 wins, 22 draws, 106 losses (41.0% win rate).
How do I prepare against Michael Mortensen?
217 games by Michael Mortensen 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.