Martinez-Cedillo Abajo, Guillermo
Current rating: 1594
Record: 12-9-3
| Regional Championships Lille 2023 (pioneer) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 223 | Lefebvre, Adrien (1519) | Lost 1-2 | -171474 |
| 2pioneer | 180 | Hayoun Caballero, Isaac (1694) | Won 2-0 | +221496 |
| 3pioneer | 137 | Osmialowski, Jacek (1490) | Won 2-0 | +181514 |
| 4pioneer | 142 | Kikidis, Charalampos (1785) | Lost 0-2 | -141500 |
| 5pioneer | 171 | Halldorsson, Andreas (1504) | Won 2-1 | +181518 |
| 6pioneer | 112 | Manchado, Alberto (1866) | Draw 1-1 | +61524 |
| 7pioneer | 122 | Libert, Julien (1564) | Won 2-0 | +191543 |
| 8pioneer | 75 | Jones, Ben (1961) | Won 2-0 | +251568 |
| 9pioneer | 49 | Birettoni, Luca (1664) | Won 2-0 | +201588 |
| 10pioneer | 29 | Serraarens, Terrence (1812) | Won 2-1 | +221610 |
| 11pioneer | 20 | van den Brande, Romain (1608) | Draw 1-1 | 01610 |
| 12pioneer | 34 | Goncalves, Rui (1615) | Lost 1-2 | -181592 |
| 13pioneer | 50 | Bruschi, Matteo (1661) | Draw 1-1 | +11593 |
| 14pioneer | 61 | Di Candia, Morgan (1604) | Lost 1-2 | -171576 |
| 15pioneer | 65 | Istillarte, Diego (1595) | Won 2-1 | +181594 |
| average opponent: 1663record: 8-4-3 | new rating: 1594 | |||
| Regional Championships Athens 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 224 | Terradura, Claudio (1545) | Lost 1-2 | -171483 |
| 2pioneer | 136 | Bousfield, Callum (1590) | Lost 1-2 | -161467 |
| 3pioneer | 200 | Sznajder, Kacper (1453) | Lost 0-2 | -181449 |
| 4pioneer | 201 | Andreassen Bye, Nicolai (1451) | Won 2-0 | +181467 |
| 5pioneer | 178 | Meekcoms, Zach (1583) | Lost 1-2 | -161451 |
| 6pioneer | 192 | Hergueta, Fran (1477) | Won 2-0 | +181469 |
| 7pioneer | 159 | Menci, Nicola (1447) | Lost 1-2 | -181451 |
| 8pioneer | 135 | Amendola, Michele (1694) | Won 2-0 | +221473 |
| 9pioneer | 116 | Berte, Antonio (1476) | Won 2-0 | +181491 |
| average opponent: 1524record: 4-5 | new rating: 1491 | |||