Prepare against Tomas Sosa
GM · Argentina · World #300 classical · FIDE ID 121576
When preparing against Tomas Sosa, expect 1.e4 in 88% of White games. Against 1.e4 the reply is 1...e5 (51% of games); against 1.d4, 1...Nf6 (52%). Lowest win rate among frequent openings: Queen's Gambit Declined: Ragozin Defense as Black, 20.0% over 15 games.
Our database contains 1,124 games by Tomas Sosa, covering Apr 2009 to Sep 2026. Below you'll find Tomas Sosa's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Tomas Sosa 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 | 2,551 | 2,575 | May 2024 |
| Rapid | 2,592 | 2,592 | Sep 2026 |
| Blitz | 2,550 | 2,566 | Sep 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,124 | 539 | 377 | 208 | 48.0% |
| As White | 582 | 293 | 203 | 86 | 50.3% |
| As Black | 542 | 246 | 174 | 122 | 45.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Tomas Sosa's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Tomas Sosa's side.
First moves as White (582 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 515 | 88.5% | 68.6% |
| Nf3 | 19 | 3.3% | 57.9% |
| d4 | 18 | 3.1% | 55.6% |
| c4 | 16 | 2.7% | 65.6% |
| g3 | 7 | 1.2% | 57.1% |
| b3 | 5 | 0.9% | 100.0% |
Main lines as White
- 1.e4 — 88% of White games, 68.6% score
- …c5 (41% of these games) — Sosa usually continues Nf3 (64.5% score)
- …e5 (27% of these games) — Sosa usually continues Nf3 (68.1% score)
- …e6 (14% of these games) — Sosa usually continues d4 (73.5% score)
- 1.Nf3 — 3% of White games, 57.9% score
- …Nf6 (47% of these games) — Sosa usually continues g3 (42.9% score)
- …d5 (37% of these games) — Sosa usually continues g3 (60.0% score)
- …c5 (11% of these games) — Sosa usually continues c4 (100.0% score)
As Black against 1.e4 (247 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 127 | 51.4% | 57.9% |
| c5 | 109 | 44.1% | 67.9% |
| c6 | 5 | 2.0% | 60.0% |
| e6 | 3 | 1.2% | 66.7% |
| d6 | 3 | 1.2% | 66.7% |
As Black against 1.d4 (192 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 100 | 52.1% | 60.0% |
| d5 | 49 | 25.5% | 59.2% |
| e6 | 24 | 12.5% | 75.0% |
| d6 | 10 | 5.2% | 65.0% |
| g6 | 7 | 3.6% | 78.6% |
| b6 | 2 | 1.0% | 100.0% |
Tomas Sosa's chess games
All 1,124 games by Tomas Sosa in the Chess.ceo database (Apr 2009 - Sep 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: 539 wins, 377 draws, 208 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C06 | French: Tarrasch Variation | 64 | 36/24/4 | 56.3% |
| B22 | Sicilian | 57 | 28/19/10 | 49.1% |
| C54 | Italian Game | 43 | 27/9/7 | 62.8% |
| B93 | Sicilian: Najdorf | 31 | 15/8/8 | 48.4% |
| C84 | Ruy Lopez: Closed | 22 | 9/9/4 | 40.9% |
| B30 | Sicilian: Rossolimo | 21 | 10/6/5 | 47.6% |
| B23 | Sicilian: Closed | 21 | 8/11/2 | 38.1% |
| B08 | Pirc Defense | 18 | 10/7/1 | 55.6% |
| B22 | Sicilian: Alapin | 16 | 10/5/1 | 62.5% |
| B51 | Sicilian: Moscow Variation | 15 | 8/5/2 | 53.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A53 | Indian Defense | 64 | 29/26/9 | 45.3% |
| B56 | Sicilian | 47 | 27/12/8 | 57.4% |
| C78 | Ruy Lopez: Morphy Defense | 24 | 11/8/5 | 45.8% |
| C50 | Italian Game | 22 | 10/6/6 | 45.5% |
| C45 | Scotch Game | 19 | 8/4/7 | 42.1% |
| E97 | King's Indian Defense: Orthodox Variation | 18 | 10/1/7 | 55.6% |
| B31 | Sicilian: Rossolimo | 16 | 7/6/3 | 43.8% |
| A21 | English Opening: Reverse Sicilian | 15 | 6/5/4 | 40.0% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 15 | 3/7/5 | 20.0% |
| D02 | Réti Opening | 15 | 3/8/4 | 20.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2022 | Gabriel Sargissian | 2,711 | Santiago de Compostela Bicapawn GP B3 | E95 |
| Aug 2019 | David Anton Guijarro | 2,678 | 7th ch-Iberoamerican | B83 |
| Dec 2023 | Alan Pichot | 2,651 | ch-Iberoamerican Rapid | C60 |
| Apr 2025 | Murali Karthikeyan | 2,651 | IV Menorca Open A | A01 |
| Apr 2017 | Axel Bachmann | 2,646 | Buenos Aires Szmetan Memorial | A49 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2024 | 39 | 21.5 | 2,394 |
| chT-ARG | 2018 | 23 | 17.5 | 2,475 |
| chT-Catalunya Gp1 | 2022 | 21 | 17 | 2,586 |
| ch-ARG 92nd | 2017 | 13 | 7.5 | 2,541 |
| ch-ARG 93rd | 2018 | 13 | 6.5 | 2,443 |
| 2nd Gran Canaria Online Blitz | 2022 | 13 | 9.5 | 2,298 |
| chT-ESP CECLUB Div2 | 2023 | 13 | 9 | 2,526 |
| ch-ARG 91st | 2016 | 13 | 6.5 | 2,455 |
Frequent opponents
Head-to-head records: Alan Pichot (16 games) · Sergio Slipak (15 games) · Jose Carlos Ibarra Jerez (11 games)
Interactive opening tree from all 1,124 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Tomas Sosa's chess games?
1,124 games by Tomas Sosa, from Apr 2009 to Sep 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 Tomas Sosa has played.
What does Tomas Sosa play on the first move as White?
Across 582 games with White in our database, Tomas Sosa opens with 1.e4 (88% of games), 1.Nf3 (3% of games), 1.d4 (3% of games). Against 1.e4 as Black, Tomas Sosa answers 1...e5 (51% of games), 1...c5 (44% of games), 1...c6 (2% of games). Against 1.d4: 1...Nf6 (52% of games), 1...d5 (26% of games), 1...e6 (13% of games).
What openings does Tomas Sosa play as White?
As White, Tomas Sosa's most-played openings in our database are: French: Tarrasch Variation (64 games, 56.3% win rate); Sicilian (57 games, 49.1% win rate); Italian Game (43 games, 62.8% win rate). The full breakdown of 582 games with White is in the table above.
What openings does Tomas Sosa play as Black?
As Black, Tomas Sosa most often plays: Indian Defense (64 games, 45.3% win rate); Sicilian (47 games, 57.4% win rate); Ruy Lopez: Morphy Defense (24 games, 45.8% win rate). See the table above for the top ten Black openings across 542 games.
What is Tomas Sosa's FIDE rating?
Tomas Sosa is currently rated 2,551 in classical chess, 2,592 in rapid and 2,550 in blitz. Peak classical rating: 2,575 (May 2024).
How many games has Tomas Sosa played?
Our database contains 1,124 games by Tomas Sosa, covering Apr 2009 to Sep 2026. Overall record: 539 wins, 377 draws, 208 losses (48.0% win rate).
How do I prepare against Tomas Sosa?
1,124 games by Tomas Sosa 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.