Sugai, Kouji
Current rating: 1473
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Koyama, Syun (1481) | Lost 0-1 | -181430 |
| 2sealed | 760 | Omura, Hajime (1434) | Draw 1-1 | 01430 |
| 3sealed | 1084 | Ota, Masahito (1483) | Won 2-0 | +191449 |
| 4sealed | 838 | Seo, Noboru (1499) | Won 2-0 | +191468 |
| 5sealed | 564 | Akase, Daisuke (1430) | Lost 1-2 | -181450 |
| 6sealed | 775 | Zhang, Yi 1971 (1436) | Won 2-1 | +171467 |
| 7sealed | 570 | Naganawa, Satoshi (1517) | Won 2-1 | +191486 |
| 8sealed | 389 | Onizuka, Hiroshi (1732) | Lost 0-2 | -131473 |
| top | average opponent: 1502record: 4-3-1 | new rating: 1473 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 767 | Sonoda, Naohiro (1624) | Won 2-0 | +211479 |
| 2legacy | 630 | Kawachi, Hayato (1518) | Lost 0-2 | -181461 |
| 3legacy | 738 | Ryu, Toshiki (1565) | Won 2-0 | +201481 |
| 4legacy | 701 | Yamakoshi, Nozomi (1489) | Lost 1-2 | -181463 |
| 5legacy | 789 | Tanaka, Rizumu (1599) | Lost 1-2 | -151448 |
| top | average opponent: 1559record: 2-3 | new rating: 1448 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 696 | Matsuo, Keisuke (1465) | Lost 1-2 | -191481 |
| 2sealed | 968 | Yamano, Nobuteru (1446) | Won 2-1 | +181499 |
| 3sealed | 986 | Kiyono, Shoya (1499) | Draw 1-1 | 01499 |
| 4sealed | 943 | Traboco, Manuel (1445) | Lost 1-2 | -191480 |
| 5sealed | 1006 | Obata, Maiko (1384) | Draw 1-1 | -21478 |
| 6sealed | 964 | Shikibu, Hayato (1465) | Draw 1-1 | 01478 |
| 7sealed | 892 | Shimamura, Kazushige (1360) | Lost 0-2 | -201458 |
| 8sealed | 851 | Mialaret, Gary (1449) | Lost 1-2 | -191439 |
| 9sealed | 807 | Mori, Yuki (1449) | Won 2-1 | +191458 |
| top | average opponent: 1440record: 2-4-3 | new rating: 1458 | ||