Yamazaki, Yuki
Current rating: 1510
Record: 34-35-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 198 | Saito, Naoki (1542) | Lost 1-2 | -181511 |
| 2pioneer | 510 | Zhang, Haoyang (1483) | Won 2-1 | +181529 |
| 3pioneer | 570 | Shimazaki, Ryo (1497) | Lost 0-2 | -191510 |
| top | average opponent: 1507record: 1-2 | new rating: 1510 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 245 | Seo, Hiroki (1530) | Lost 1-2 | -181517 |
| 2standard | 548 | Asao, Kazuki (1408) | Won 2-0 | +161533 |
| 3standard | 541 | Takeuchi, Shuuji (1491) | Won 2-0 | +181551 |
| 4standard | 580 | Ohshiba, Atsushi (1284) | Won 2-0 | +131564 |
| 5standard | 146 | Hirosawa, Yuuta (1673) | Lost 1-2 | -161548 |
| 6standard | 537 | Tokuda, Ryusei (1491) | Lost 0-2 | -191529 |
| top | average opponent: 1479record: 3-3 | new rating: 1529 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 364 | Saito, Yasushi (1442) | Won 2-0 | +171508 |
| 2sealed | 386 | Ooba, Hideto (1383) | Lost 0-2 | -201488 |
| 3sealed | 957 | Horibe, Yoshifumi (1591) | Won 2-1 | +201508 |
| 4sealed | 534 | Sasaki, Ken (1508) | Won 2-0 | +181526 |
| 5sealed | 425 | Ishii, Kouki (1586) | Won 2-0 | +191545 |
| 6sealed | 162 | Ookura, Yasuhiro (1600) | Lost 1-2 | -171528 |
| 7sealed | 275 | Ichikawa, Yuuki (1995) | Lost 1-2 | -101518 |
| 8sealed | 391 | Yajima, Hiromichi (1511) | Won 2-1 | +171535 |
| top | average opponent: 1577record: 5-3 | new rating: 1535 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 208 | Kitajima, Shunsuke (1500) | Lost 0-2 | -181508 |
| 2modern | 897 | Yoon, SooHan (1638) | Lost 0-2 | -161492 |
| 3modern | 1173 | Suzuki, Yuuji0113 (1447) | Won 2-1 | +171509 |
| 4modern | 1068 | Itou, Taiga (1477) | Lost 1-2 | -181491 |
| top | average opponent: 1515record: 1-3 | new rating: 1491 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 508 | Akimoto, Daichi (1644) | Won 2-1 | +201549 |
| 2standard | 304 | Bollen, Blake (1481) | Lost 1-2 | -191530 |
| 3standard | 537 | Nakanishi, Kota (1324) | Lost 1-2 | -221508 |
| 4standard | 731 | Kamezawa, Yoshifumi (1410) | Won 2-0 | +161524 |
| 5standard | 566 | Kitagawa, Yuta (1696) | Won 2-1 | +221546 |
| 6standard | 440 | Kitahara, Shinichi (1480) | Lost 1-2 | -201526 |
| top | average opponent: 1506record: 3-3 | new rating: 1526 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 204 | Omi, Tatsuya (1554) | Won 2-1 | +181563 |
| 5standard | 5 | Nuruki, Hiroaki (1573) | Won 2-1 | +191582 |
| 6standard | 28 | Terada, Tadashi (1573) | Lost 0-2 | -181564 |
| 7standard | 89 | Fujimoto, Katsuya (1550) | Lost 1-2 | -191545 |
| 8standard | 227 | Isayama, Yusuke (1648) | Lost 1-2 | -161529 |
| top | average opponent: 1580record: 2-3 | new rating: 1529 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 60 | Matushita, Masakazu (1560) | Won 2-1 | +181607 |
| 2block | 82 | Sakai, Yuuto (1560) | Lost 0-2 | -191588 |
| 3block | 125 | Sakurai, Yuu (1443) | Lost 0-2 | -211567 |
| 4block | 214 | Suzuki, Sadao (1358) | Lost 0-2 | -221545 |
| top | average opponent: 1480record: 1-3 | new rating: 1545 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 43 | Miura, Shuuichi (1646) | Won 2-0 | +181616 |
| 4sealed | 55 | Sasaki, Yusuke(Miyagi) (1682) | Won 2-0 | +201636 |
| 5sealed | 33 | Oiso, Masashi (2025) | Lost 0-2 | -121624 |
| 6sealed | 46 | Nakajima, Chikara (1699) | Lost 0-2 | -161608 |
| 7sealed | 72 | Saito, Takaya (1573) | Lost 0-2 | -191589 |
| top | average opponent: 1725record: 2-3 | new rating: 1589 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 12 | Shibata, Toshiya (1500) | Won 2-0 | +161592 |
| 4sealed | 30 | Maki, Koichiro (1761) | Lost 0-2 | -151577 |
| 5sealed | 78 | Suzuki, Nobuyoshi (1540) | Won 2-0 | +181595 |
| 6sealed | 17 | Iwano, Shuzo (1624) | Won 2-1 | +181613 |
| 7sealed | 9 | Okamoto, Jin (1923) | Lost 0-2 | -121601 |
| 8sealed | 35 | Murakami, Ken (1546) | Won 2-1 | +171618 |
| 9draft | 10 | Endou, Yuusuke (1683) | Won 2-1 | +191637 |
| 10draft | 28 | Fujita, Osamu (1958) | Lost 0-2 | -131624 |
| 11draft | 32 | Kato, Kazuki (1843) | Lost 0-2 | -141610 |
| 12draft | 12 | Miyajima, Yoshitaka (1658) | Lost 1-2 | -171593 |
| 13draft | 20 | Yokosuka, Tomohiro (1802) | Lost 1-2 | -141579 |
| 14draft | 23 | Murakami, Norichika (1611) | Won 2-0 | +191598 |
| top | average opponent: 1704record: 6-6 | new rating: 1598 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 17 | Nakao, Munenari (1454) | Lost 1-2 | -201576 |
| top | record: 0-1 | new rating: 1576 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 46 | Kudo, Koichi (1483) | Won 2-1 | +181519 |
| 3sealed | 1 | Yamada, Yoshiharu (1621) | Won 2-0 | +201539 |
| 4sealed | 28 | Nishimura, Sho (1402) | Won 2-0 | +151554 |
| 5sealed | 17 | Hashimoto, Rei (1542) | Won 2-1 | +181572 |
| 6sealed | 6 | Fujishiro, Takashi (1671) | Lost 1-2 | -161556 |
| 7sealed | 41 | Suganuma, Takeshi (1587) | Won 2-1 | +191575 |
| 8sealed | 61 | Akashi, Toshihiko (1591) | ID | 01575 |
| 9rochester | 12 | Akashi, Toshihiko (1591) | Lost 1-2 | -181557 |
| 10rochester | 23 | Lee, Sang-Ryeol (1551) | Won 2-0 | +181575 |
| 11rochester | 15 | Suzuki, Fumio (1526) | Won 2-0 | +171592 |
| 12rochester | 10 | Rikuno, Keito (1630) | Won 2-1 | +191611 |
| 13rochester | 24 | Kinoshita, Junichi (1777) | Draw 1-1 | +31614 |
| 14rochester | 9 | Nakajima, Chikara (1641) | Lost 1-2 | -181596 |
| top | average opponent: 1586record: 8-3-2 | new rating: 1596 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 22 | Matsuki, Takashi (1504) | Won 2-0 | +181518 |
| 3sealed | 53 | Yoshikawa, Yuusuke (1598) | Lost 1-2 | -161502 |
| 4sealed | 80 | Takeiri, Go (1495) | Won 2-0 | +171519 |
| 5sealed | 55 | Kanda, Satoshi (1521) | Lost 1-2 | -181501 |
| top | average opponent: 1530record: 2-2 | new rating: 1501 | ||