Prepare against Semen I. Dvoirys
GM · Russia · World #1,815 classical · FIDE ID 4100379
Our database contains 2,186 games by Semen I. Dvoirys, covering Apr 2003 to Aug 2026. Below you'll find Semen I. Dvoirys's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Semen I. Dvoirys 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 | 2,393 | 2,615 | Oct 2004 |
| Rapid | 2,370 | 2,556 | Jan 2015 |
| Blitz | 2,373 | 2,586 | Oct 2014 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 2,186 | 943 | 854 | 386 | 43.1% |
| As White | 1,098 | 563 | 371 | 163 | 51.3% |
| As Black | 1,088 | 380 | 483 | 223 | 34.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Semen I. Dvoirys's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Semen I. Dvoirys's side.
First moves as White (1,098 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 1,033 | 94.1% | 67.9% |
| c4 | 41 | 3.7% | 72.0% |
| Nf3 | 15 | 1.4% | 86.7% |
| d4 | 9 | 0.8% | 61.1% |
Main lines as White
- 1.e4 — 94% of White games, 67.9% score
- …c5 (42% of these games) — Dvoirys usually continues Nf3 (69.3% score)
- …e5 (27% of these games) — Dvoirys usually continues Nf3 (66.1% score)
- …e6 (16% of these games) — Dvoirys usually continues d4 (67.3% score)
- 1.c4 — 4% of White games, 72.0% score
- …Nf6 (29% of these games) — Dvoirys usually continues Nf3 (57.1% score)
- …e5 (22% of these games) — Dvoirys usually continues Nc3 (83.3% score)
- …g6 (15% of these games) — Dvoirys usually continues d4 (75.0% score)
As Black against 1.e4 (486 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 469 | 96.5% | 58.3% |
| e5 | 15 | 3.1% | 46.7% |
| e6 | 1 | 0.2% | 100.0% |
| c6 | 1 | 0.2% | 50.0% |
As Black against 1.d4 (399 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 387 | 97.0% | 58.5% |
| d5 | 11 | 2.8% | 40.9% |
Semen I. Dvoirys's chess games
All 2,186 games by Semen I. Dvoirys 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: 943 wins, 854 draws, 386 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B66 | Sicilian | 169 | 96/52/21 | 56.8% |
| B93 | Sicilian: Najdorf | 94 | 48/29/17 | 51.1% |
| C84 | Ruy Lopez: Closed | 83 | 32/35/16 | 38.6% |
| C08 | French: Tarrasch Variation | 81 | 40/26/15 | 49.4% |
| C02 | French: Advance Variation | 72 | 41/19/12 | 56.9% |
| C42 | Petrov's Defense | 48 | 19/25/4 | 39.6% |
| B33 | Sicilian: Sveshnikov | 35 | 12/16/7 | 34.3% |
| C78 | Ruy Lopez: Morphy Defense | 31 | 17/8/6 | 54.8% |
| B48 | Sicilian: Taimanov | 30 | 17/7/6 | 56.7% |
| B76 | Sicilian: Dragon | 29 | 18/8/3 | 62.1% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 233 | 91/79/63 | 39.1% |
| D85 | Grünfeld Defense | 168 | 59/76/33 | 35.1% |
| A30 | English Opening | 101 | 24/57/18 | 23.8% |
| D85 | Indian Defense | 100 | 27/51/22 | 27.0% |
| B50 | Sicilian | 65 | 30/24/11 | 46.2% |
| B51 | Sicilian: Moscow Variation | 48 | 17/21/10 | 35.4% |
| B22 | Sicilian: Alapin | 42 | 16/17/9 | 38.1% |
| A25 | English Opening: Reverse Sicilian | 41 | 13/23/5 | 31.7% |
| B23 | Sicilian: Closed | 32 | 16/14/2 | 50.0% |
| E15 | Queen's Indian Defense | 31 | 11/13/7 | 35.5% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2004 | Vladimir Malakhov | 2,700 | Moscow Aeroflot Open A | B60 |
| Nov 2010 | Artyom Timofeev | 2,681 | RUS Cup final | B76 |
| Aug 2012 | Sergei Tiviakov | 2,674 | St Petersburg Botvinnik Memorial Open | B11 |
| Feb 2010 | Alexander Lastin | 2,659 | Moscow Open A | B18 |
| Aug 2011 | Vadim Zvjaginsev | 2,659 | St Petersburg Botvinnik 100 Open | B56 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Oberwart Open | 2004 | 69 | 53 | 2,593 |
| chT-ISR | 2024 | 66 | 41.5 | 2,562 |
| Hoogeveen Essent Open | 2006 | 45 | 31 | 2,596 |
| Leeuwarden Open | 1997 | 34 | 22 | 2,577 |
| ch-RUS | 1996 | 33 | 17.5 | 2,533 |
| ch-RSFSR | 1988 | 31 | 17.5 | 2,433 |
| Groningen Open | 1994 | 30 | 21.5 | 2,574 |
| Pavlodar Open | 2013 | 29 | 21.5 | 2,574 |
Frequent opponents
Head-to-head records: Yuri S Balashov (14 games) · Eduardas Rozentalis (14 games) · Gabriel Flom (10 games) · Ilia Smirin (10 games)
Interactive opening tree from all 2,186 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Semen I. Dvoirys's chess games?
2,186 games by Semen I. Dvoirys, 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 Semen I. Dvoirys has played.
What does Semen I. Dvoirys play on the first move as White?
Across 1,098 games with White in our database, Semen I. Dvoirys opens with 1.e4 (94% of games), 1.c4 (4% of games), 1.Nf3 (1% of games). Against 1.e4 as Black, Semen I. Dvoirys answers 1...c5 (97% of games), 1...e5 (3% of games), 1...e6 (0% of games). Against 1.d4: 1...Nf6 (97% of games), 1...d5 (3% of games).
What openings does Semen I. Dvoirys play as White?
As White, Semen I. Dvoirys's most-played openings in our database are: Sicilian (169 games, 56.8% win rate); Sicilian: Najdorf (94 games, 51.1% win rate); Ruy Lopez: Closed (83 games, 38.6% win rate). The full breakdown of 1,098 games with White is in the table above.
What openings does Semen I. Dvoirys play as Black?
As Black, Semen I. Dvoirys most often plays: Sicilian: Najdorf (233 games, 39.1% win rate); Grünfeld Defense (168 games, 35.1% win rate); English Opening (101 games, 23.8% win rate). See the table above for the top ten Black openings across 1,088 games.
What is Semen I. Dvoirys's FIDE rating?
Semen I. Dvoirys is currently rated 2,393 in classical chess, 2,370 in rapid and 2,373 in blitz. Peak classical rating: 2,615 (Oct 2004).
How many games has Semen I. Dvoirys played?
Our database contains 2,186 games by Semen I. Dvoirys, covering Apr 2003 to Aug 2026. Overall record: 943 wins, 854 draws, 386 losses (43.1% win rate).
How do I prepare against Semen I. Dvoirys?
2,186 games by Semen I. Dvoirys 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.