Prepare against Gudmundur Halldorsson
CM · Iceland · World #16,001 classical · FIDE ID 2300494
When preparing against Gudmundur Halldorsson, expect 1.d4 in 76% of White games. Against 1.e4 the reply is 1...c5 (33% of games); against 1.d4, 1...f5 (37%).
Our database contains 176 games by Gudmundur Halldorsson, covering Apr 2003 to Aug 2026. Below you'll find Gudmundur Halldorsson's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Gudmundur Halldorsson 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 | 2,095 | 2,282 | Oct 2003 |
| Rapid | 2,195 | 2,202 | Nov 2022 |
| Blitz | 2,197 | 2,227 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 176 | 52 | 48 | 76 | 29.5% |
| As White | 85 | 32 | 23 | 30 | 37.6% |
| As Black | 91 | 20 | 25 | 46 | 22.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Gudmundur Halldorsson's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Gudmundur Halldorsson's side.
First moves as White (85 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 65 | 76.5% | 56.2% |
| c4 | 9 | 10.6% | 27.8% |
| Nf3 | 6 | 7.1% | 33.3% |
| e4 | 5 | 5.9% | 50.0% |
Main lines as White
- 1.d4 — 76% of White games, 56.2% score
- …Nf6 (62% of these games) — Halldorsson usually continues c4 (62.1% score)
- …d5 (28% of these games) — Halldorsson usually continues c4 (60.7% score)
- …e6 (6% of these games) — Halldorsson usually continues c4 (62.5% score)
- 1.c4 — 11% of White games, 27.8% score
- …Nf6 (44% of these games) — Halldorsson usually continues g3 (33.3% score)
- …c6 (22% of these games) — Halldorsson usually continues d4 (50.0% score)
- …e6 (11% of these games) — Halldorsson usually continues Nf3 (50.0% score)
As Black against 1.e4 (46 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 15 | 32.6% | 43.3% |
| e6 | 13 | 28.3% | 50.0% |
| d6 | 5 | 10.9% | 50.0% |
| c6 | 4 | 8.7% | 50.0% |
| Nf6 | 4 | 8.7% | 25.0% |
| e5 | 4 | 8.7% | 50.0% |
As Black against 1.d4 (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| f5 | 13 | 37.1% | 38.5% |
| d5 | 12 | 34.3% | 20.8% |
| Nf6 | 5 | 14.3% | 60.0% |
| e6 | 3 | 8.6% | 0.0% |
| d6 | 2 | 5.7% | 0.0% |
Gudmundur Halldorsson's chess games
All 176 games by Gudmundur Halldorsson in the Chess.ceo database (Apr 2003 - 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: 52 wins, 48 draws, 76 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E05 | Catalan | 11 | 8/1/2 | 72.7% |
| D12 | Slav Defense | 9 | 2/6/1 | 22.2% |
| D36 | Indian Defense | 8 | 3/3/2 | 37.5% |
| A57 | Benoni Defense | 6 | 1/2/3 | 16.7% |
| A34 | English Opening | 4 | 0/1/3 | 0.0% |
| A46 | Torre Attack | 4 | 2/1/1 | 50.0% |
| D91 | Grünfeld Defense | 4 | 3/1/0 | 75.0% |
| E12 | Queen's Indian Defense | 3 | 1/2/0 | 33.3% |
| E76 | King's Indian Defense: Four Pawns Attack | 3 | 3/0/0 | 100.0% |
| E97 | King's Indian Defense: Orthodox Variation | 3 | 0/1/2 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A80 | Dutch Defense | 13 | 3/4/6 | 23.1% |
| B79 | Sicilian: Dragon | 7 | 1/3/3 | 14.3% |
| C18 | French: Winawer Variation | 5 | 3/1/1 | 60.0% |
| D36 | Indian Defense | 5 | 1/1/3 | 20.0% |
| C03 | French: Tarrasch Variation | 4 | 1/1/2 | 25.0% |
| B05 | Alekhine Defense | 4 | 1/0/3 | 25.0% |
| D07 | Queen's Gambit | 4 | 1/0/3 | 25.0% |
| B07 | Pirc Defense | 4 | 1/2/1 | 25.0% |
| B22 | Sicilian | 3 | 2/1/0 | 66.7% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 3 | 1/0/2 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1986 | Anthony Miles | 2,610 | Reykjavik Open | E32 |
| Mar 2003 | Bartosz Socko | 2,577 | Internet Section 16-A | E76 |
| Jan 1994 | Helgi Olafsson | 2,535 | chT-ISL | B00 |
| Aug 2003 | Jon Viktor Gunnarsson | 2,411 | ch-ISL | A57 |
| Jan 1995 | Nikolaj Borge | 2,405 | Hafnarfjordur Open | E76 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2010 | 35 | 17 | 2,256 |
| ch-ISL | 2003 | 21 | 10 | 2,348 |
| chT-ISL | 2000 | 12 | 5 | 2,399 |
| Kopavogur | 1994 | 9 | 3.5 | 2,226 |
| Hafnarfjordur Open | 1995 | 9 | 4 | 2,230 |
| Oz.com qual blitz | 2000 | 8 | 3.5 | 2,223 |
| Skákþing Reykjavíkur 2026 | 2026 | 7 | 5 | 2,185 |
| Internet Section 16-A | 2003 | 7 | 4 | 2,435 |
Interactive opening tree from all 176 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Gudmundur Halldorsson's chess games?
176 games by Gudmundur Halldorsson, from Apr 2003 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 Gudmundur Halldorsson has played.
What does Gudmundur Halldorsson play on the first move as White?
Across 85 games with White in our database, Gudmundur Halldorsson opens with 1.d4 (76% of games), 1.c4 (11% of games), 1.Nf3 (7% of games). Against 1.e4 as Black, Gudmundur Halldorsson answers 1...c5 (33% of games), 1...e6 (28% of games), 1...d6 (11% of games). Against 1.d4: 1...f5 (37% of games), 1...d5 (34% of games), 1...Nf6 (14% of games).
What openings does Gudmundur Halldorsson play as White?
As White, Gudmundur Halldorsson's most-played openings in our database are: Catalan (11 games, 72.7% win rate); Slav Defense (9 games, 22.2% win rate); Indian Defense (8 games, 37.5% win rate). The full breakdown of 85 games with White is in the table above.
What openings does Gudmundur Halldorsson play as Black?
As Black, Gudmundur Halldorsson most often plays: Dutch Defense (13 games, 23.1% win rate); Sicilian: Dragon (7 games, 14.3% win rate); French: Winawer Variation (5 games, 60.0% win rate). See the table above for the top ten Black openings across 91 games.
What is Gudmundur Halldorsson's FIDE rating?
Gudmundur Halldorsson is currently rated 2,095 in classical chess, 2,195 in rapid and 2,197 in blitz. Peak classical rating: 2,282 (Oct 2003).
How many games has Gudmundur Halldorsson played?
Our database contains 176 games by Gudmundur Halldorsson, covering Apr 2003 to Aug 2026. Overall record: 52 wins, 48 draws, 76 losses (29.5% win rate).
How do I prepare against Gudmundur Halldorsson?
176 games by Gudmundur Halldorsson 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.