Prepare against Juan Bosco Ruiz
NIC · World #36,637 classical · FIDE ID 6100856
When preparing against Juan Bosco Ruiz, expect 1.e4 in 92% of White games. Against 1.e4 the reply is 1...c5 (43% of games); against 1.d4, 1...d5 (92%).
Our database contains 77 games by Juan Bosco Ruiz, covering Jan 2007 to Jul 2026. Below you'll find Juan Bosco Ruiz's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Juan Bosco Ruiz 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 | 1,951 | 2,098 | Oct 2007 |
| Rapid | 1,994 | 2,013 | Aug 2019 |
| Blitz | 2,036 | 2,062 | Aug 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 77 | 28 | 35 | 14 | 36.4% |
| As White | 38 | 17 | 16 | 5 | 44.7% |
| As Black | 39 | 11 | 19 | 9 | 28.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Juan Bosco Ruiz's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Juan Bosco Ruiz's side.
First moves as White (38 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 35 | 92.1% | 65.7% |
| d4 | 2 | 5.3% | 50.0% |
| Nf3 | 1 | 2.6% | 100.0% |
Main lines as White
- 1.e4 — 92% of White games, 65.7% score
- …c5 (34% of these games) — Ruiz usually continues Nf3 (70.0% score)
- …e5 (20% of these games) — Ruiz usually continues Nf3 (75.0% score)
- …c6 (14% of these games) — Ruiz usually continues d4 (62.5% score)
- 1.d4 — 5% of White games, 50.0% score
- …d6 (50% of these games) — Ruiz usually continues Nf3 (100.0% score)
As Black against 1.e4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 9 | 42.9% | 44.4% |
| d5 | 6 | 28.6% | 66.7% |
| e5 | 4 | 19.0% | 25.0% |
| e6 | 1 | 4.8% | 50.0% |
| c6 | 1 | 4.8% | 50.0% |
As Black against 1.d4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 11 | 91.7% | 63.6% |
| Nf6 | 1 | 8.3% | 100.0% |
Juan Bosco Ruiz's chess games
All 77 games by Juan Bosco Ruiz in the Chess.ceo database (Jan 2007 - Jul 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: 28 wins, 35 draws, 14 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 4 | 3/0/1 | 75.0% |
| B31 | Sicilian: Rossolimo | 3 | 1/2/0 | 33.3% |
| B19 | Caro-Kann: Classical | 2 | 1/1/0 | 50.0% |
| B23 | Sicilian: Closed | 2 | 0/1/1 | 0.0% |
| B06 | Modern Defense | 2 | 1/1/0 | 50.0% |
| B00 | King's Pawn Game | 2 | 2/0/0 | 100.0% |
| B52 | Sicilian: Moscow Variation | 2 | 1/1/0 | 50.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 0/2/0 | 0.0% |
| C33 | King's Gambit | 1 | 1/0/0 | 100.0% |
| B10 | Caro-Kann: Endgame Variation | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B33 | Sicilian: Sveshnikov | 5 | 0/3/2 | 0.0% |
| D10 | Slav Defense | 5 | 2/2/1 | 40.0% |
| D02 | London System | 3 | 2/1/0 | 66.7% |
| D27 | Queen's Pawn Game | 3 | 0/2/1 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 3 | 2/0/1 | 66.7% |
| A22 | English Opening: Reverse Sicilian | 3 | 1/1/1 | 33.3% |
| C41 | Philidor | 2 | 0/1/1 | 0.0% |
| B30 | Sicilian | 2 | 1/1/0 | 50.0% |
| B01 | Nimzowitsch Defense: Scandinavian Variation | 1 | 0/1/0 | 0.0% |
| A04 | King's Indian Attack | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2014 | Carlos David Quinonez Centeno | 2,326 | Managua Sub zt 2.3 | B06 |
| Oct 2020 | Jorge Picado | 2,262 | chT-NCA Final | B10 |
| Apr 2014 | Nahun Gavarrete | 2,167 | Managua Sub zt 2.3 | B60 |
| Mar 2019 | William Alfaro Caracas | 2,144 | ch-NCA | D59 |
| Oct 2019 | Carlos Cano | 2,033 | chT-NCA Final | E11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-NCA Final | 2020 | 26 | 17 | 2,093 |
| ch-NCA | 2019 | 18 | 9.5 | 2,078 |
| Managua NCA Select 1 | 2021 | 8 | 3 | 2,005 |
| Managua Sub zt 2.3 | 2014 | 7 | 5.5 | 2,435 |
| Managua Linicad Rapid Open 2nd | 2019 | 7 | 5 | 1,985 |
| chT-NCA | 2015 | 7 | 4 | 1,844 |
| 38th Utrecht OKU Open | 2011 | 4 | 1.5 | 2,168 |
Interactive opening tree from all 77 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Juan Bosco Ruiz's chess games?
77 games by Juan Bosco Ruiz, from Jan 2007 to Jul 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 Juan Bosco Ruiz has played.
What does Juan Bosco Ruiz play on the first move as White?
Across 38 games with White in our database, Juan Bosco Ruiz opens with 1.e4 (92% of games), 1.d4 (5% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Juan Bosco Ruiz answers 1...c5 (43% of games), 1...d5 (29% of games), 1...e5 (19% of games). Against 1.d4: 1...d5 (92% of games), 1...Nf6 (8% of games).
What openings does Juan Bosco Ruiz play as White?
As White, Juan Bosco Ruiz's most-played openings in our database are: Sicilian (4 games, 75.0% win rate); Sicilian: Rossolimo (3 games, 33.3% win rate); Caro-Kann: Classical (2 games, 50.0% win rate). The full breakdown of 38 games with White is in the table above.
What openings does Juan Bosco Ruiz play as Black?
As Black, Juan Bosco Ruiz most often plays: Sicilian: Sveshnikov (5 games, 0.0% win rate); Slav Defense (5 games, 40.0% win rate); London System (3 games, 66.7% win rate). See the table above for the top ten Black openings across 39 games.
What is Juan Bosco Ruiz's FIDE rating?
Juan Bosco Ruiz is currently rated 1,951 in classical chess, 1,994 in rapid and 2,036 in blitz. Peak classical rating: 2,098 (Oct 2007).
How many games has Juan Bosco Ruiz played?
Our database contains 77 games by Juan Bosco Ruiz, covering Jan 2007 to Jul 2026. Overall record: 28 wins, 35 draws, 14 losses (36.4% win rate).
How do I prepare against Juan Bosco Ruiz?
77 games by Juan Bosco Ruiz 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.