Prepare against Dalver Paulino Rosario
Dominican Republic · World #68,722 classical · FIDE ID 6411371
When preparing against Dalver Paulino Rosario, expect 1.e4 in 95% of White games. Against 1.e4 the reply is 1...e5 (82% of games); against 1.d4, 1...d5 (36%).
Our database contains 47 games by Dalver Paulino Rosario, covering May 2015 to Nov 2026. Below you'll find Dalver Paulino Rosario's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Dalver Paulino Rosario 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 | 1,827 | 1,882 | Nov 2024 |
| Blitz | 1,847 | 1,924 | Apr 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 47 | 15 | 6 | 26 | 31.9% |
| As White | 22 | 7 | 3 | 12 | 31.8% |
| As Black | 25 | 8 | 3 | 14 | 32.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Dalver Paulino Rosario's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Dalver Paulino Rosario's side.
First moves as White (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 21 | 95.5% | 35.7% |
| d4 | 1 | 4.5% | 100.0% |
Main lines as White
- 1.e4 — 95% of White games, 35.7% score
- …e5 (29% of these games) — Rosario usually continues Nf3 (58.3% score)
- …c5 (24% of these games) — Rosario usually continues Nf3 (12.5% score)
- …c6 (19% of these games) — Rosario usually continues f4 (50.0% score)
- 1.d4 — 5% of White games, 100.0% score
- …Nf6 (100% of these games) — Rosario usually continues Nc3 (100.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 9 | 81.8% | 38.9% |
| c5 | 2 | 18.2% | 0.0% |
As Black against 1.d4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 4 | 36.4% | 50.0% |
| Nf6 | 4 | 36.4% | 37.5% |
| e5 | 3 | 27.3% | 83.3% |
Dalver Paulino Rosario's chess games
All 47 games by Dalver Paulino Rosario in the Chess.ceo database (May 2015 - 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: 15 wins, 6 draws, 26 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C01 | French: Exchange Variation | 3 | 1/0/2 | 33.3% |
| B10 | Caro-Kann | 3 | 1/1/1 | 33.3% |
| B50 | Sicilian | 2 | 0/1/1 | 0.0% |
| C53 | Italian Game: Classical Variation | 2 | 1/0/1 | 50.0% |
| A45 | Queen's Pawn Game | 1 | 1/0/0 | 100.0% |
| C60 | Ruy Lopez | 1 | 0/0/1 | 0.0% |
| C84 | Ruy Lopez: Closed | 1 | 1/0/0 | 100.0% |
| C68 | Ruy Lopez: Morphy Defense | 1 | 0/1/0 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 4 | 1/0/3 | 25.0% |
| A40 | Englund Gambit | 3 | 2/1/0 | 66.7% |
| D10 | Slav Defense | 2 | 0/0/2 | 0.0% |
| C50 | Italian Game | 2 | 1/0/1 | 50.0% |
| C28 | King's Gambit | 2 | 0/0/2 | 0.0% |
| D02 | Queen's Pawn Game | 2 | 1/0/1 | 50.0% |
| C54 | Italian Game: Classical Variation | 1 | 1/0/0 | 100.0% |
| B52 | Sicilian: Moscow Variation | 1 | 0/0/1 | 0.0% |
| D04 | Colle System | 1 | 1/0/0 | 100.0% |
| C22 | Center Game | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2016 | Richards Reynier Lugo Matos | 2,160 | Santo Domingo Gesta Catorce Open | C54 |
| Oct 2015 | Rafael Apolina Javier Florencio | 1,981 | Santo Domingo La Raza Open | B12 |
| Jun 2015 | Rene Oscar Holguin Velazquez | 1,972 | 2nd Santo Domingo Open U2100 | D77 |
| Jun 2016 | Jose Joel Leonardo | 1,930 | Santo Domingo Gesta Catorce Open | B01 |
| Jun 2015 | Rafael Jorge Batlle Ysa | 1,925 | 2nd Santo Domingo Open U2100 | C53 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Subzonal 2.3.2 | 2025 | 9 | 3.5 | 1,592 |
| 5th Santo Domingo Duarte Memorial | 2016 | 7 | 3 | 1,787 |
| 2nd Santo Domingo Open U2100 | 2015 | 7 | 3 | 1,837 |
| Santo Domingo La Raza Open | 2015 | 7 | 2.5 | 1,818 |
| Santo Domingo Gesta Catorce Open | 2016 | 6 | 3 | 2,006 |
| Santiago de los Caballeros Open | 2015 | 5 | 1.5 | 1,969 |
| ch-DOM U20 | 2015 | 4 | 0.5 | 1,473 |
| chT-DOM | 2017 | 2 | 1 | 1,761 |
Interactive opening tree from all 47 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Dalver Paulino Rosario's chess games?
47 games by Dalver Paulino Rosario, from May 2015 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 Dalver Paulino Rosario has played.
What does Dalver Paulino Rosario play on the first move as White?
Across 22 games with White in our database, Dalver Paulino Rosario opens with 1.e4 (95% of games), 1.d4 (5% of games). Against 1.e4 as Black, Dalver Paulino Rosario answers 1...e5 (82% of games), 1...c5 (18% of games). Against 1.d4: 1...d5 (36% of games), 1...Nf6 (36% of games), 1...e5 (27% of games).
What openings does Dalver Paulino Rosario play as White?
As White, Dalver Paulino Rosario's most-played openings in our database are: French: Exchange Variation (3 games, 33.3% win rate); Caro-Kann (3 games, 33.3% win rate); Sicilian (2 games, 0.0% win rate). The full breakdown of 22 games with White is in the table above.
What openings does Dalver Paulino Rosario play as Black?
As Black, Dalver Paulino Rosario most often plays: London System (4 games, 25.0% win rate); Englund Gambit (3 games, 66.7% win rate); Slav Defense (2 games, 0.0% win rate). See the table above for the top ten Black openings across 25 games.
What is Dalver Paulino Rosario's FIDE rating?
Dalver Paulino Rosario is currently rated 1,827 in classical chess and 1,847 in blitz. Peak classical rating: 1,882 (Nov 2024).
How many games has Dalver Paulino Rosario played?
Our database contains 47 games by Dalver Paulino Rosario, covering May 2015 to Nov 2026. Overall record: 15 wins, 6 draws, 26 losses (31.9% win rate).
How do I prepare against Dalver Paulino Rosario?
47 games by Dalver Paulino Rosario 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.