Balbuena Evans, Sergio
Current rating: 1679
Record: 48-34-5
| Regional Championships Athens 2023 (pioneer) | starting rating: 1705 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 173 | Frontuto, Daniele (1503) | Lost 1-2 | -211684 |
| 2pioneer | 122 | Kelbel, Marko (1482) | Lost 1-2 | -221662 |
| 3pioneer | 221 | Urena, Abraham (1586) | Won 2-0 | +171679 |
| 4pioneer | 183 | Stadler, Jan (1715) | Won 2-0 | +181697 |
| 5pioneer | 96 | Vojta, Jakub (1714) | Draw 1-1 | +11698 |
| 6pioneer | 115 | Venturi, Matteo (1673) | Lost 1-2 | -191679 |
| top | average opponent: 1612record: 2-3-1 | new rating: 1679 | ||
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1684 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 90 | Collinet, Patrick (1650) | Won 2-1 | +171701 |
| 2pioneer | 353 | Jousma, Baukejan (1647) | Lost 1-2 | -191682 |
| 3pioneer | 542 | Houssier, Yann (1516) | Won 2-0 | +151697 |
| 4pioneer | 347 | Gayer, Nils (1465) | Lost 0-2 | -221675 |
| 5pioneer | 410 | Kamil, Oded (1538) | Won 2-0 | +161691 |
| 6pioneer | 285 | Rascato, Pier Paolo (1624) | Won 2-0 | +161707 |
| 7pioneer | 236 | Becker, Felix (1575) | Won 2-1 | +161723 |
| 8pioneer | 132 | Vallejo Pascual, Inigo (1741) | Lost 1-2 | -181705 |
| top | average opponent: 1594record: 5-3 | new rating: 1705 | ||
| Grand Prix Barcelona 2019 (modern) | starting rating: 1681 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 312 | Buckingham, Dustin (1616) | Won 2-1 | +171698 |
| 2modern | 91 | Servia Eiras, Daniel (1430) | Lost 1-2 | -231675 |
| 3modern | 507 | Tiersma, Pieter Jan (1429) | Lost 1-2 | -221653 |
| 4modern | 591 | Herranz, Miguel (1410) | Won 2-0 | +141667 |
| 5modern | 587 | Blasi, Matteo (1699) | Won 2-0 | +181685 |
| 6modern | 261 | Wroblewski, Florian (1591) | Won 2-1 | +161701 |
| 7modern | 334 | Gotfredsen, Anders (1722) | Lost 1-2 | -171684 |
| top | average opponent: 1557record: 4-3 | new rating: 1684 | ||
| Grand Prix Bilbao 2019 (modern) | starting rating: 1694 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 506 | Martin Burgos, Alejandro (1500) | Won 1-0 | +141708 |
| 2modern | 235 | Pena Quintana, Inaki (1322) | Won 2-1 | +121720 |
| 3modern | 323 | Lihoreau, Ibai (1728) | Won 2-1 | +181738 |
| 4modern | 15 | Parazzoli, Dario (1731) | Lost 0-2 | -181720 |
| 5modern | 152 | Thorsboe Lundblad, Asger (1628) | Lost 0-2 | -201700 |
| 6modern | 415 | Pike, Michael (1665) | Lost 0-2 | -191681 |
| top | average opponent: 1596record: 3-3 | new rating: 1681 | ||
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1703 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 251 | Poltorak, Darren (1331) | Draw 1-1 | -61697 |
| 3standard | 363 | Pena De La, Sergio (1444) | Won 2-1 | +131710 |
| 4standard | 206 | Carceles Mendez, Hector (1611) | Lost 0-2 | -191691 |
| 5standard | 344 | Kisswani, Lennart (1517) | Won 2-0 | +141705 |
| 6standard | 212 | Gimenez Cubells, Pablo (1644) | Lost 1-2 | -191686 |
| 7standard | 328 | Fuentes, Antonio (1520) | Won 2-0 | +151701 |
| 8standard | 232 | Torres Torres, David (1569) | Won 2-1 | +161717 |
| 9standard | 173 | Kirchbacher, Florian (1782) | Won 2-0 | +191736 |
| 10standard | 105 | Bratu, Cosmin (1494) | Lost 1-2 | -221714 |
| 11standard | 157 | Jara Perez, Juan Carlos (1604) | Lost 0-2 | -201694 |
| top | average opponent: 1551record: 5-4-1 | new rating: 1694 | ||
| Grand Prix Seville 2015 (FRF standard) | starting rating: 1717 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 8 | Gonzalez Garcia, Diego Jesus (1431) | Won 2-0 | +131730 |
| 3standard | 55 | Toledo, Daniel (1662) | Won 2-0 | +171747 |
| 4standard | 86 | Granados, Xavier (1537) | Lost 1-2 | -221725 |
| 5standard | 67 | Fernandez Paris, Andres (1431) | Won 2-0 | +131738 |
| 6standard | 72 | Silva, Ricardo (1623) | Won 2-1 | +151753 |
| 7standard | 41 | Garzon Serrano, Nahum (1665) | Won 2-1 | +171770 |
| 8standard | 28 | Sevaux, Yoann (1755) | Lost 0-2 | -181752 |
| 9standard | 43 | Bonaventura, Ciro (1727) | Won 2-1 | +171769 |
| 10standard | 32 | Camacho, Francisco Javier (1768) | Won 2-0 | +181787 |
| 11standard | 15 | Batista, Marco (1583) | Lost 0-2 | -221765 |
| 12standard | 25 | Choca, Joao (1694) | Lost 1-2 | -191746 |
| 13standard | 34 | Marques, Ricardo (1585) | Lost 0-2 | -211725 |
| 14standard | 43 | Guzman, David (1509) | Lost 1-2 | -221703 |
| top | average opponent: 1613record: 7-6 | new rating: 1703 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 116 | Blohon, Lukas (2083) | Won 2-1 | +261618 |
| 4modern | 119 | Marti, Jordi (1697) | Won 2-0 | +191637 |
| 5modern | 93 | Bachiller, Alberto (1591) | Won 2-0 | +181655 |
| 6modern | 42 | Mochan, Levi (1627) | Won 2-0 | +171672 |
| 7modern | 20 | Zatlkaj, Matej (1995) | Won 2-1 | +241696 |
| 8modern | 227 | Semkin, Alexander (1726) | Lost 0-2 | -181678 |
| 9modern | 19 | Bernal Exposito, Angel (1574) | Won 2-0 | +161694 |
| 10modern | 22 | Pla, David (1668) | Draw 1-1 | 01694 |
| 11modern | 17 | Quintero Medina, Alberto (1583) | Won 2-0 | +161710 |
| 12modern | 9 | Garcia, Eliezer (1641) | Won 2-1 | +171727 |
| 13modern | 6 | Nobari, Poya (1790) | Won 2-0 | +191746 |
| 14modern | 3 | Matesanz, Sergio (1830) | Lost 1-2 | -171729 |
| 15modern | 9 | Dickmann, Patrick (2045) | Lost 0-2 | -121717 |
| top | average opponent: 1758record: 9-3-1 | new rating: 1717 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 86 | Been, Iso (1702) | Lost 1-2 | -151539 |
| 4modern | 425 | Lange, Nick (1517) | Won 2-0 | +171556 |
| 5modern | 218 | Jessen, Andreas (1508) | Won 2-0 | +171573 |
| 6modern | 214 | Verbiest, Bart (1430) | Draw 1-1 | -21571 |
| 7modern | 136 | Lebon, Tristan (1767) | Lost 1-2 | -151556 |
| 8modern | 252 | De Neuter, Nicolas (1537) | Won 2-0 | +181574 |
| 9modern | 168 | Eichfelder, Florian (1556) | Won 2-0 | +181592 |
| top | average opponent: 1574record: 4-2-1 | new rating: 1592 | ||
| Grand Prix Bilbao 2013 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 32 | Verdoodt, Philip (1558) | Draw 1-1 | +11487 |
| 3modern | 161 | Gonzalez, Raul [ESP] (1657) | Lost 1-2 | -151472 |
| 4modern | 323 | Conde, Javier (1514) | Won 2-1 | +191491 |
| 5modern | 231 | Ortiz de Zarate, Javier (1567) | Won 2-1 | +191510 |
| 6modern | 161 | Joens, Klaus (1812) | Won 2-0 | +241534 |
| 7modern | 90 | Cano Garcia, Jaime (1480) | Won 2-0 | +171551 |
| 8modern | 56 | Habert, Alexandre (1717) | Lost 0-2 | -151536 |
| 9modern | 111 | Nachbur, Mickael (1555) | Won 2-1 | +181554 |
| top | average opponent: 1608record: 5-2-1 | new rating: 1554 | ||
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 702 | Serrao, Pedro (1558) | Won 2-0 | +191519 |
| 2sealed | 625 | Moldes, Felipe (1580) | Lost 0-2 | -171502 |
| 3sealed | 659 | Geuens, Peter (1442) | Won 2-0 | +171519 |
| 4sealed | 614 | La Loggia, Matteo (1509) | Lost 0-2 | -181501 |
| 5sealed | 667 | Madruga, Andres (1691) | Lost 0-2 | -151486 |
| 6sealed | 751 | Roguetto, Nuno (1485) | Won 2-1 | +181504 |
| 7sealed | 665 | Mikucionis, Kazimeras (1503) | Lost 0-2 | -181486 |
| 8sealed | 680 | Lourenco, Carlos (1453) | Lost 0-2 | -181468 |
| 9sealed | 791 | Vilchez, Angel (1469) | Won 2-0 | +181486 |
| top | average opponent: 1521record: 4-5 | new rating: 1486 | ||