FIDE ID:
Miguel Santos Ruiz
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 48th Rilton Cup 2018-19 | 12/27/2018 | 2320 |  Sweden |
| TCh-BEL 2018-19 | 09/30/2018 | 2331 |  Belgium |
| Aeroflot Open A 2019 | 02/20/2019 | 2565 |  Russian Federation |
| Gibraltar Masters 2019 | 01/22/2019 | 2375 |  United Kingdom |
Miguel Santos Ruiz Repertoire with White pieces (most played)
| ECO | Opening | Games |
| B13 | Caro-Kann, exchange variation | 6 games |
| B21 | Sicilian, Grand Prix attack | 6 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 6 games |
| B48 | Sicilian, Taimanov variation | 5 games |
Miguel Santos Ruiz Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| B90 | Sicilian, Najdorf | 11 games |
| A07 | Reti, King's Indian attack (Barcza system) | 7 games |
| A40 | Queen's pawn | 5 games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 5 games |
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