Prepare against Samuel Johannes Constantinou
Cyprus · World #35,573 classical · FIDE ID 5906229
When preparing against Samuel Johannes Constantinou, expect 1.d4 in 56% of White games. Against 1.e4 the reply is 1...d6 (57% of games); against 1.d4, 1...f5 (56%).
Our database contains 71 games by Samuel Johannes Constantinou, covering Jan 2019 to Aug 2026. Below you'll find Samuel Johannes Constantinou's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Samuel Johannes Constantinou 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 | 1,956 | 1,957 | Feb 2026 |
| Rapid | 1,868 | 1,875 | May 2026 |
| Blitz | 1,885 | 1,897 | Jan 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 71 | 34 | 10 | 27 | 47.9% |
| As White | 36 | 14 | 6 | 16 | 38.9% |
| As Black | 35 | 20 | 4 | 11 | 57.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Samuel Johannes Constantinou's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Samuel Johannes Constantinou's side.
First moves as White (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 20 | 55.6% | 35.0% |
| c4 | 8 | 22.2% | 62.5% |
| e4 | 5 | 13.9% | 60.0% |
| Nf3 | 3 | 8.3% | 66.7% |
Main lines as White
- 1.d4 — 56% of White games, 35.0% score
- …Nf6 (60% of these games) — Constantinou usually continues c4 (29.2% score)
- …d5 (15% of these games) — Constantinou usually continues c4 (100.0% score)
- …f5 (10% of these games) — Constantinou usually continues c4 (25.0% score)
- 1.c4 — 22% of White games, 62.5% score
- …e5 (38% of these games) — Constantinou usually continues Nc3 (100.0% score)
- …Nf6 (38% of these games) — Constantinou usually continues Nc3 (100.0% score)
- …g6 (13% of these games) — Constantinou usually continues g3 (0.0% score)
As Black against 1.e4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d6 | 12 | 57.1% | 75.0% |
| c5 | 8 | 38.1% | 37.5% |
| g6 | 1 | 4.8% | 100.0% |
As Black against 1.d4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| f5 | 5 | 55.6% | 90.0% |
| d5 | 4 | 44.4% | 87.5% |
Samuel Johannes Constantinou's chess games
All 71 games by Samuel Johannes Constantinou in the Chess.ceo database (Jan 2019 - 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: 34 wins, 10 draws, 27 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E20 | Nimzo-Indian: Kmoch Variation | 8 | 1/1/6 | 12.5% |
| A21 | English Opening: Reverse Sicilian | 5 | 3/0/2 | 60.0% |
| A87 | Dutch Defense | 2 | 0/1/1 | 0.0% |
| B23 | Sicilian: Closed | 2 | 2/0/0 | 100.0% |
| D15 | Slav Defense | 2 | 2/0/0 | 100.0% |
| A24 | Modern Defense | 2 | 1/0/1 | 50.0% |
| A40 | Queen's Pawn Game | 2 | 1/0/1 | 50.0% |
| D02 | London System | 1 | 0/0/1 | 0.0% |
| A58 | Benoni Defense | 1 | 0/1/0 | 0.0% |
| D07 | Queen's Gambit Declined | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 12 | 8/2/2 | 66.7% |
| A80 | Dutch Defense | 6 | 5/1/0 | 83.3% |
| B80 | Sicilian: Najdorf | 3 | 0/0/3 | 0.0% |
| B52 | Sicilian: Moscow Variation | 2 | 2/0/0 | 100.0% |
| D37 | Indian Defense | 2 | 1/0/1 | 50.0% |
| A07 | Réti Opening | 1 | 0/0/1 | 0.0% |
| B22 | Sicilian: Alapin | 1 | 0/0/1 | 0.0% |
| B86 | Sicilian: Scheveningen | 1 | 1/0/0 | 100.0% |
| B21 | Sicilian: Smith-Morra Gambit | 1 | 0/0/1 | 0.0% |
| E08 | Catalan | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2025 | Konstantinos Michaelides | 2,313 | ch-CYP | E20 |
| Apr 2025 | Nikolai Cherkasov | 2,276 | 3rd Paphos Int Open | B86 |
| Jun 2022 | Laurent Huynh | 2,216 | chT-Francophonie Rapid | A40 |
| Nov 2023 | Jon I Horni Nielsen | 2,092 | 8th EU Small Countries Olympiad | B52 |
| Oct 2023 | Robert Zerafa | 2,080 | 8th EU Small Countries Olympiad | B09 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-CYP Open | 2024 | 13 | 9.5 | 1,727 |
| chT-Francophonie Rapid | 2022 | 11 | 7 | 2,103 |
| ch-CYP | 2025 | 11 | 5.5 | 1,954 |
| 8th EU Small Countries Blitz Open | 2023 | 10 | 4.5 | 1,927 |
| 8th EU Small Countries Olympiad | 2023 | 8 | 6 | 2,105 |
| TCh-Euro Small Nations | 2025 | 5 | 3.5 | 2,013 |
| 3rd Paphos Int Open | 2025 | 4 | 1 | 2,177 |
| Cyprus Open 2026 | 2026 | 4 | 2 | 1,772 |
Interactive opening tree from all 71 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Samuel Johannes Constantinou's chess games?
71 games by Samuel Johannes Constantinou, from Jan 2019 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 Samuel Johannes Constantinou has played.
What does Samuel Johannes Constantinou play on the first move as White?
Across 36 games with White in our database, Samuel Johannes Constantinou opens with 1.d4 (56% of games), 1.c4 (22% of games), 1.e4 (14% of games). Against 1.e4 as Black, Samuel Johannes Constantinou answers 1...d6 (57% of games), 1...c5 (38% of games), 1...g6 (5% of games). Against 1.d4: 1...f5 (56% of games), 1...d5 (44% of games).
What openings does Samuel Johannes Constantinou play as White?
As White, Samuel Johannes Constantinou's most-played openings in our database are: Nimzo-Indian: Kmoch Variation (8 games, 12.5% win rate); English Opening: Reverse Sicilian (5 games, 60.0% win rate); Dutch Defense (2 games, 0.0% win rate). The full breakdown of 36 games with White is in the table above.
What openings does Samuel Johannes Constantinou play as Black?
As Black, Samuel Johannes Constantinou most often plays: Pirc Defense (12 games, 66.7% win rate); Dutch Defense (6 games, 83.3% win rate); Sicilian: Najdorf (3 games, 0.0% win rate). See the table above for the top ten Black openings across 35 games.
What is Samuel Johannes Constantinou's FIDE rating?
Samuel Johannes Constantinou is currently rated 1,956 in classical chess, 1,868 in rapid and 1,885 in blitz. Peak classical rating: 1,957 (Feb 2026).
How many games has Samuel Johannes Constantinou played?
Our database contains 71 games by Samuel Johannes Constantinou, covering Jan 2019 to Aug 2026. Overall record: 34 wins, 10 draws, 27 losses (47.9% win rate).
How do I prepare against Samuel Johannes Constantinou?
71 games by Samuel Johannes Constantinou 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.