Yamaguchi, Yoshiki
Current rating: 1431
Record: 17-22
| Grand Prix Phoenix 2018 (modern) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 403 | Loftesness, Eric (1409) | Won 2-0 | +181428 |
| 2modern | 98 | Valente, Joey (1650) | Won 2-0 | +221450 |
| 3modern | 232 | Scheid, Daniel (1714) | Won 2-0 | +231473 |
| 4modern | 139 | Eakins, Loren (1736) | Lost 1-2 | -131460 |
| 5modern | 245 | Schroeder, Brayton (1544) | Won 2-0 | +191479 |
| 6modern | 99 | McGlasson, Dustin (1564) | Lost 0-2 | -161463 |
| 7modern | 123 | Sharpe, Richard (1535) | Lost 1-2 | -171446 |
| 8modern | 257 | Clark, Jeffrey (1626) | Lost 1-2 | -151431 |
| top | average opponent: 1597record: 4-4 | new rating: 1431 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 767 | Maune, Sarah (1392) | Lost 1-2 | -191425 |
| 2modern | 653 | Friesen, Glenn (1481) | Won 2-0 | +191444 |
| 3modern | 1249 | Domeij, Johan (1421) | Lost 1-2 | -181426 |
| 4modern | 1297 | Daniel, Johnny (1571) | Lost 0-2 | -161410 |
| top | average opponent: 1466record: 1-3 | new rating: 1410 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | Shepherd, Rachel (1500) | Lost 0-2 | -171444 |
| top | record: 0-1 | new rating: 1444 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 230 | Fujiwara, Tsukasa (1500) | Lost 1-2 | -191547 |
| 2standard | 782 | Sawada, Tetsushi (1627) | Lost 0-2 | -161531 |
| 3standard | 1263 | Sugimura, Masakazu (1433) | Won 2-1 | +161547 |
| 4standard | 1194 | Miyauchi, Kazutoshi (1478) | Lost 0-2 | -191528 |
| 5standard | 1097 | Inoue, Makoto (1422) | Won 2-1 | +161544 |
| 6standard | 1076 | Watanabe, Kyohei2393 (1482) | Lost 0-2 | -191525 |
| 7standard | 1041 | Takata, Mutsumu (1322) | Lost 0-2 | -221503 |
| 8standard | 950 | Kimonji, Hiroki (1509) | Lost 0-2 | -181485 |
| 9standard | 843 | Furuya, Satoshi (1168) | Lost 0-2 | -241461 |
| top | average opponent: 1438record: 2-7 | new rating: 1461 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 280 | Galarza, Andre (1500) | Lost 1-2 | -171469 |
| 2modern | 837 | Chadwick, Richard (1482) | Won 2-0 | +181487 |
| 3modern | 840 | Kraemer, Geoffrey (1483) | Won 2-1 | +181505 |
| 4modern | 697 | Nollen, Dylan (1627) | Won 2-0 | +201525 |
| 5modern | 366 | Van Scyoc, Lenny (1514) | Won 2-1 | +181543 |
| 6modern | 286 | Guerrero, Leopoldo (1552) | Lost 0-2 | -181525 |
| 7modern | 409 | Thompson, Bradley (1672) | Won 2-1 | +211546 |
| 8modern | 221 | ReCasino, Matthew (1557) | Lost 1-2 | -181528 |
| 9modern | 418 | Jacob, Conor (1720) | Won 2-1 | +211549 |
| 10modern | 160 | Beltran, Matthew (1523) | Lost 0-2 | -181531 |
| 11modern | 244 | Moore, Nathan (1481) | Won 2-0 | +171548 |
| 12modern | 167 | Comella, Terrence (1571) | Won 2-0 | +181566 |
| top | average opponent: 1557record: 8-4 | new rating: 1566 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 27 | MacDonald, Ryan (1464) | Lost 0-2 | -191481 |
| 2standard | 649 | Wilhelm, Aris (1533) | Lost 0-2 | -171464 |
| 3standard | 785 | Browning, Clay (1464) | Won 2-0 | +181482 |
| 4standard | 626 | Wilkes, Johnathan (1482) | Won 2-0 | +181500 |
| 5standard | 466 | Yeem, Soohwang (1729) | Lost 0-2 | -141486 |
| top | average opponent: 1534record: 2-3 | new rating: 1486 | ||