Hoshi, Masaru
Current rating: 1437
Record: 15-20-1
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 363 | Kamezawa, Yoshifumi (1384) | Won 2-0 | +181451 |
| 2standard | 13 | Terada, Shuuhei (1693) | Lost 1-2 | -141437 |
| 3standard | 553 | Yokoide, Yuuta (1382) | Won 2-1 | +171454 |
| 4standard | 535 | Yamasaki, Yuuta (1474) | Lost 0-2 | -181436 |
| 5standard | 567 | Suzuki, Masahiro 5436 (1674) | Lost 1-2 | -131423 |
| 6standard | 669 | Deng, Jun (1512) | Lost 0-2 | -171406 |
| 7standard | 552 | Shiraishi, Shinji (1294) | Won 2-0 | +161422 |
| 8standard | 433 | Hishida, Tomoya (1266) | Won 2-0 | +151437 |
| top | average opponent: 1460record: 4-4 | new rating: 1437 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1385 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 107 | Koike, Katsutoshi (1372) | Lost 0-2 | -181367 |
| 2sealed | 767 | Furukawa, Takuto (1393) | Won 2-1 | +181385 |
| 3sealed | 883 | Hase, Shun (1378) | Won 2-0 | +181403 |
| 4sealed | 750 | Mori, Shuichi (1516) | Lost 0-2 | -161387 |
| 5sealed | 842 | Inoue, Akira (1456) | Won 2-1 | +201407 |
| 6sealed | 506 | Ohsato, Tetsuya (1546) | Lost 1-2 | -161391 |
| 7sealed | 546 | Fujita, Toshihide (1678) | Won 2-0 | +231414 |
| 8sealed | 452 | Miyamoto, Naoki (1481) | Won 2-0 | +191433 |
| top | average opponent: 1478record: 5-3 | new rating: 1433 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 778 | Marumo, Tsubasa (1534) | Lost 1-2 | -151404 |
| 2modern | 716 | Nishida, Masashi (1490) | Lost 0-2 | -171387 |
| 3modern | 1115 | Yamada, Ryusuke (1268) | Lost 0-2 | -201367 |
| 4modern | 1191 | Suzuki, Takatoshi (1381) | Won 2-0 | +181385 |
| top | average opponent: 1418record: 1-3 | new rating: 1385 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 594 | Oka, Kenji (1500) | Lost 0-2 | -181446 |
| 2standard | 791 | Numaguchi, Yumeto (1479) | Draw 1-1 | +11447 |
| 3standard | 987 | Yin, Yue (1691) | Lost 1-2 | -141433 |
| 4standard | 1043 | Murayama, Taiki (1438) | Won 2-0 | +191452 |
| 5standard | 917 | Huang, Erxuan (1479) | Won 2-1 | +181470 |
| 6standard | 759 | Suzuki, Yuta (1437) | Lost 0-2 | -191451 |
| 7standard | 745 | Arakaki, Gen (1405) | Lost 0-2 | -181433 |
| 8standard | 712 | Choi, Jae-Joon (1707) | Lost 0-2 | -141419 |
| top | average opponent: 1517record: 2-5-1 | new rating: 1419 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 656 | Maruno, Takaaki (1604) | Lost 0-2 | -161484 |
| 2sealed | 678 | Takayama, Kiichiro (1406) | Won 2-0 | +161500 |
| 3sealed | 550 | Tomono, Naotake (1500) | Won 2-1 | +181518 |
| 4sealed | 279 | Kogure, Takamasa (1477) | Lost 0-2 | -181500 |
| 5sealed | 560 | Yoshimura, Genki (1612) | Lost 0-2 | -161484 |
| 6sealed | 767 | Kohagura, Masataka (1446) | Won 2-0 | +171501 |
| 7sealed | 659 | Rama, Harry (1514) | Lost 1-2 | -181483 |
| 8sealed | 513 | Kakuuchi, Mayako (1402) | Lost 0-2 | -191464 |
| top | average opponent: 1495record: 3-5 | new rating: 1464 | ||