Prepare against Leticia Fiorella Guerrero Diaz
CRI · World #125,074 classical · FIDE ID 6556574
When preparing against Leticia Fiorella Guerrero Diaz, expect 1.d4 in 58% of White games. Against 1.e4 the reply is 1...c5 (100% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 58 games by Leticia Fiorella Guerrero Diaz, covering Jul 2023 to Nov 2026. Below you'll find Leticia Fiorella Guerrero Diaz's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Leticia Fiorella Guerrero Diaz 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 | 1,663 | 1,757 | Oct 2026 |
| Rapid | 1,629 | 1,629 | Nov 2026 |
| Blitz | 1,599 | 1,614 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 58 | 20 | 14 | 24 | 34.5% |
| As White | 31 | 10 | 10 | 11 | 32.3% |
| As Black | 27 | 10 | 4 | 13 | 37.0% |
FIDE rated record
From FIDE's official rated-game ledger (2022-2026): 460 rated games against 326 different opponents, across 62 events in 4 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 182 | 93 | 38 | 51 | 51.1% | 1,634 | 1,637 | 13 |
| Rapid | 54 | 30 | 8 | 16 | 55.6% | 1,499 | 1,626 | 14 |
| Blitz | 145 | 74 | 17 | 54 | 51.0% | 1,578 | 1,502 | 14 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 134 | 31 | 28 | 75 | 23.1% |
| Against lower-rated | 111 | 61 | 31 | 19 | 55.0% |
Wins over titled players: 1 vs WIM · 1 vs WFM · 4 vs WCM.
Tournament wins
5 tournament wins from 40 events, 2 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 116 | 54 | 30 | 32 | 1,679 | 1,706 |
| 2025 | 98 | 53 | 15 | 30 | 1,603 | 1,570 |
| 2024 | 163 | 90 | 26 | 47 | 1,585 | 1,577 |
| 2023 | 69 | 35 | 11 | 23 | 1,282 | 1,247 |
| 2022 | 14 | 4 | 0 | 10 | 1,382 | 1,142 |
Where Leticia Fiorella Guerrero Diaz has played
Costa Rica (63) · El Salvador (2) · Colombia (1) · Spain (1)
Move-by-move preparation stats
Straight from the preparation tree built over all of Leticia Fiorella Guerrero Diaz's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Leticia Fiorella Guerrero Diaz's side.
First moves as White (31 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 18 | 58.1% | 50.0% |
| e4 | 10 | 32.3% | 45.0% |
| d3 | 1 | 3.2% | 0.0% |
| Nf3 | 1 | 3.2% | 100.0% |
| g3 | 1 | 3.2% | 50.0% |
Main lines as White
- 1.d4 — 58% of White games, 50.0% score
- …d5 (61% of these games) — Diaz usually continues Nf3 (40.9% score)
- …Nf6 (33% of these games) — Diaz usually continues Nf3 (33.3% score)
- …f5 (6% of these games) — Diaz usually continues Nf3 (100.0% score)
- 1.e4 — 32% of White games, 45.0% score
- …c5 (40% of these games) — Diaz usually continues Nf3 (12.5% score)
- …e5 (30% of these games) — Diaz usually continues Nf3 (50.0% score)
- …c6 (20% of these games) — Diaz usually continues d4 (100.0% score)
As Black against 1.e4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 21 | 100.0% | 45.2% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 100.0% | 30.0% |
Leticia Fiorella Guerrero Diaz's chess games
All 58 games by Leticia Fiorella Guerrero Diaz in the Chess.ceo database (Jul 2023 - 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: 20 wins, 14 draws, 24 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Queen's Pawn Game | 4 | 1/2/1 | 25.0% |
| D04 | Colle System | 4 | 1/2/1 | 25.0% |
| D05 | Indian Defense | 4 | 1/1/2 | 25.0% |
| A05 | Réti Opening | 2 | 1/1/0 | 50.0% |
| B30 | Sicilian: Rossolimo | 2 | 0/0/2 | 0.0% |
| C47 | Four Knights Game: Scotch Variation | 2 | 0/1/1 | 0.0% |
| D03 | Torre Attack | 2 | 1/0/1 | 50.0% |
| B22 | Sicilian | 1 | 0/1/0 | 0.0% |
| B95 | Sicilian: Najdorf | 1 | 0/0/1 | 0.0% |
| C46 | Three Knights Opening | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B72 | Sicilian: Dragon | 5 | 3/1/1 | 60.0% |
| B50 | Sicilian | 4 | 1/0/3 | 25.0% |
| B23 | Sicilian: Closed | 4 | 2/2/0 | 50.0% |
| B35 | Sicilian: Accelerated Dragon | 2 | 0/0/2 | 0.0% |
| B30 | Sicilian: Rossolimo | 2 | 0/0/2 | 0.0% |
| B22 | Sicilian: Alapin | 1 | 1/0/0 | 100.0% |
| B21 | Sicilian: Grand Prix Attack | 1 | 0/0/1 | 0.0% |
| B27 | Sicilian: Hyperaccelerated Dragon | 1 | 0/0/1 | 0.0% |
| B52 | Sicilian: Moscow Variation | 1 | 1/0/0 | 100.0% |
| A56 | Benoni Defense | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2026 | Katherin Gomez Arias | 1,782 | XXXVI Pan-American Youth Chess Festival | G14 | B13 |
| Jan 2026 | Victoria Sandi Barrantes | 1,749 | Campeonato Nacional Costa Rica 2026 | Femenino | B22 |
| Mar 2026 | Diana Arias Carmona | 1,710 | Campeonato Centroamericano y del Caribe U20 San José 2026 | Femenino | A80 |
| Jul 2026 | Elena Fernandez Mayorga | 1,644 | Costa Rica Campeonato Nacional Impares 2026 | G15 | B72 |
| Nov 2026 | Sofia Loria Molina | 1,640 | Central American and Caribbean Youth Championship 2026 | G14 | A46 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Campeonato Nacional Costa Rica 2026 | Femenino | 2026 | 11 | 2 | 1,589 |
| 1st San Jose Solidario Blitz Open | 2024 | 8 | 3.5 | 1,655 |
| Campeonato Centroamericano y del Caribe U20 San José 2026 | Femenino | 2026 | 8 | 4 | 1,716 |
| Central American and Caribbean Youth Championship 2026 | Rapid | O14 | 2026 | 7 | 2 | 1,413 |
| Costa Rica Campeonato Nacional Impares 2026 | G15 | 2026 | 7 | 6 | 1,856 |
| XXXVI Pan-American Youth Chess Festival | G14 | 2026 | 6 | 2 | 1,629 |
| Central American and Caribbean Youth Championship 2026 | G14 | 2026 | 5 | 4.5 | 1,854 |
| FIDE World U7-U17 Championships 2026 | G15 | 2026 | 2 | 0 | 1,601 |
Interactive opening tree from all 58 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Leticia Fiorella Guerrero Diaz's chess games?
58 games by Leticia Fiorella Guerrero Diaz, from Jul 2023 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 Leticia Fiorella Guerrero Diaz has played.
What does Leticia Fiorella Guerrero Diaz play on the first move as White?
Across 31 games with White in our database, Leticia Fiorella Guerrero Diaz opens with 1.d4 (58% of games), 1.e4 (32% of games), 1.d3 (3% of games). Against 1.e4 as Black, Leticia Fiorella Guerrero Diaz answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Leticia Fiorella Guerrero Diaz play as White?
As White, Leticia Fiorella Guerrero Diaz's most-played openings in our database are: Queen's Pawn Game (4 games, 25.0% win rate); Colle System (4 games, 25.0% win rate); Indian Defense (4 games, 25.0% win rate). The full breakdown of 31 games with White is in the table above.
What openings does Leticia Fiorella Guerrero Diaz play as Black?
As Black, Leticia Fiorella Guerrero Diaz most often plays: Sicilian: Dragon (5 games, 60.0% win rate); Sicilian (4 games, 25.0% win rate); Sicilian: Closed (4 games, 50.0% win rate). See the table above for the top ten Black openings across 27 games.
What is Leticia Fiorella Guerrero Diaz's FIDE rating?
Leticia Fiorella Guerrero Diaz is currently rated 1,663 in classical chess, 1,629 in rapid and 1,599 in blitz. Peak classical rating: 1,757 (Oct 2026).
How many games has Leticia Fiorella Guerrero Diaz played?
Our database contains 58 games by Leticia Fiorella Guerrero Diaz, covering Jul 2023 to Nov 2026. Overall record: 20 wins, 14 draws, 24 losses (34.5% win rate).
How do I prepare against Leticia Fiorella Guerrero Diaz?
58 games by Leticia Fiorella Guerrero Diaz 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.