Prepare against Oleg Korchagin
Estonia · World #40,884 classical · FIDE ID 4500725
When preparing against Oleg Korchagin, expect 1.d4 in 90% of White games. Against 1.e4 the reply is 1...g6 (52% of games); against 1.d4, 1...Nf6 (63%). Lowest win rate among frequent openings: Modern Defense as Black, 28.6% over 21 games.
Our database contains 143 games by Oleg Korchagin, covering Apr 2003 to Aug 2026. Below you'll find Oleg Korchagin's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oleg Korchagin 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 | 1,931 | 2,183 | Apr 2008 |
| Rapid | 1,891 | 2,158 | Dec 2015 |
| Blitz | 1,958 | 2,150 | Jul 2014 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 143 | 44 | 30 | 69 | 30.8% |
| As White | 70 | 25 | 14 | 31 | 35.7% |
| As Black | 73 | 19 | 16 | 38 | 26.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oleg Korchagin's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oleg Korchagin's side.
First moves as White (70 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 63 | 90.0% | 47.6% |
| c4 | 4 | 5.7% | 37.5% |
| Nf3 | 2 | 2.9% | 25.0% |
| e4 | 1 | 1.4% | 0.0% |
Main lines as White
- 1.d4 — 90% of White games, 47.6% score
- …Nf6 (62% of these games) — Korchagin usually continues c4 (39.2% score)
- …d5 (21% of these games) — Korchagin usually continues c4 (73.1% score)
- …e6 (10% of these games) — Korchagin usually continues c4 (50.0% score)
- 1.c4 — 6% of White games, 37.5% score
- …Nf6 (50% of these games) — Korchagin usually continues b3 (50.0% score)
- …c5 (25% of these games) — Korchagin usually continues Nf3 (0.0% score)
- …e5 (25% of these games) — Korchagin usually continues Nc3 (0.0% score)
As Black against 1.e4 (31 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| g6 | 16 | 51.6% | 40.6% |
| e5 | 11 | 35.5% | 31.8% |
| d6 | 4 | 12.9% | 37.5% |
As Black against 1.d4 (27 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 17 | 63.0% | 17.6% |
| f5 | 5 | 18.5% | 40.0% |
| g6 | 2 | 7.4% | 75.0% |
| c5 | 2 | 7.4% | 50.0% |
| d6 | 1 | 3.7% | 100.0% |
Oleg Korchagin's chess games
All 143 games by Oleg Korchagin 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: 44 wins, 30 draws, 69 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E97 | King's Indian Defense: Orthodox Variation | 12 | 3/2/7 | 25.0% |
| D36 | Indian Defense | 10 | 3/4/3 | 30.0% |
| A43 | Benoni Defense | 7 | 2/1/4 | 28.6% |
| E15 | Queen's Indian Defense | 5 | 1/1/3 | 20.0% |
| A46 | Horwitz Defense | 4 | 2/1/1 | 50.0% |
| A15 | English Opening | 4 | 2/1/1 | 50.0% |
| D45 | Slav Defense | 4 | 2/0/2 | 50.0% |
| E01 | Catalan | 3 | 0/0/3 | 0.0% |
| A40 | English Defense | 2 | 0/0/2 | 0.0% |
| D28 | Queen's Gambit Accepted | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B06 | Modern Defense | 21 | 6/5/10 | 28.6% |
| D85 | Grünfeld Defense | 9 | 0/0/9 | 0.0% |
| A80 | Dutch Defense | 8 | 2/3/3 | 25.0% |
| B08 | Pirc Defense | 4 | 1/1/2 | 25.0% |
| A53 | Indian Defense | 4 | 1/1/2 | 25.0% |
| C77 | Ruy Lopez: Morphy Defense | 3 | 0/1/2 | 0.0% |
| A15 | English Opening | 3 | 1/1/1 | 33.3% |
| E60 | Anti-Grünfeld | 2 | 0/1/1 | 0.0% |
| A44 | Benoni Defense | 2 | 0/2/0 | 0.0% |
| C54 | Italian Game: Classical Variation | 2 | 1/0/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2002 | Dmitrij Novitzkij | 2,413 | Birstonas Open | B07 |
| Aug 2002 | Giedrius Sulskis | 2,247 | Birstonas Open | A40 |
| Apr 2002 | Alvar Kangur | 2,242 | chT-EST | E97 |
| Mar 2010 | Olev Schuls | 2,237 | ch-EST | C54 |
| Mar 2002 | Tiit Tanav | 2,230 | chT-EST | E61 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Keres Memorial Open | 2000 | 18 | 8 | 2,247 |
| ch-EST | 2017 | 18 | 7 | 2,119 |
| Birstonas Open | 2002 | 9 | 5.5 | 2,436 |
| Vilnius Open A | 2025 | 9 | 5 | 1,922 |
| 57th Viljandi Raud Memorial | 2023 | 9 | 4.5 | 1,987 |
| Baltija Cup | 2008 | 9 | 1 | 1,992 |
| 30th Pardubice Open Rapid | 2019 | 9 | 3.5 | 2,009 |
| Riga Tech Rapid Open | 2023 | 8 | 2 | 1,911 |
Interactive opening tree from all 143 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oleg Korchagin's chess games?
143 games by Oleg Korchagin, 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 Oleg Korchagin has played.
What does Oleg Korchagin play on the first move as White?
Across 70 games with White in our database, Oleg Korchagin opens with 1.d4 (90% of games), 1.c4 (6% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Oleg Korchagin answers 1...g6 (52% of games), 1...e5 (35% of games), 1...d6 (13% of games). Against 1.d4: 1...Nf6 (63% of games), 1...f5 (19% of games), 1...g6 (7% of games).
What openings does Oleg Korchagin play as White?
As White, Oleg Korchagin's most-played openings in our database are: King's Indian Defense: Orthodox Variation (12 games, 25.0% win rate); Indian Defense (10 games, 30.0% win rate); Benoni Defense (7 games, 28.6% win rate). The full breakdown of 70 games with White is in the table above.
What openings does Oleg Korchagin play as Black?
As Black, Oleg Korchagin most often plays: Modern Defense (21 games, 28.6% win rate); Grünfeld Defense (9 games, 0.0% win rate); Dutch Defense (8 games, 25.0% win rate). See the table above for the top ten Black openings across 73 games.
What is Oleg Korchagin's FIDE rating?
Oleg Korchagin is currently rated 1,931 in classical chess, 1,891 in rapid and 1,958 in blitz. Peak classical rating: 2,183 (Apr 2008).
How many games has Oleg Korchagin played?
Our database contains 143 games by Oleg Korchagin, covering Apr 2003 to Aug 2026. Overall record: 44 wins, 30 draws, 69 losses (30.8% win rate).
How do I prepare against Oleg Korchagin?
143 games by Oleg Korchagin 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.