Nakamura, Kouki
Current rating: 1415
Record: 37-53-2
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 379 | Mimido, Ryuji (1560) | Lost 0-2 | -151394 |
| 4sealed | 375 | Tamano, Yuuki (1446) | Won 2-1 | +191413 |
| 5sealed | 219 | Matsui, Hideyuki (1448) | Won 2-0 | +191432 |
| 6sealed | 118 | Igarashi, Hisakazu (1540) | Lost 1-2 | -161416 |
| 7sealed | 282 | Chen, Mingjie (1505) | Lost 1-2 | -171399 |
| 8sealed | 615 | Ogawa, Daiki (1503) | Won 2-1 | +201419 |
| 9sealed | 310 | Tsuji, Ryosuke (1554) | Won 2-0 | +211440 |
| 10draft | 278 | Takuwa, Kazuya (1613) | Lost 1-2 | -151425 |
| 11draft | 224 | Nagai, Kousuke (1696) | Won 2-1 | +231448 |
| 12draft | 74 | Kusunoki, Yuki (1653) | Lost 1-2 | -151433 |
| 13draft | 150 | Hasegawa, Tsuneyuki (1438) | Lost 1-2 | -181415 |
| top | average opponent: 1541record: 5-6 | new rating: 1415 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 593 | Takafuji, Masato (1511) | Lost 1-2 | -161397 |
| 3standard | 848 | Ishigaki, Kiyotaka (1500) | Lost 0-2 | -161381 |
| 4standard | 942 | Terai, Shinnosuke (1451) | Won 2-1 | +191400 |
| 5standard | 739 | Yamamoto, Takahiro (1654) | Lost 0-2 | -131387 |
| 6standard | 970 | Matsunaga, Koudai (1448) | Won 2-1 | +191406 |
| 7standard | 901 | Kurokawa, Kinpei (1502) | Won 2-1 | +201426 |
| 8standard | 468 | Wu, Chia-Ju (1528) | Lost 1-2 | -171409 |
| top | average opponent: 1513record: 3-4 | new rating: 1409 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1400 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 356 | Motegi, Ryouta (1499) | Lost 1-2 | -161384 |
| 3standard | 1172 | Farrington, Kyle (1564) | Lost 0-2 | -151369 |
| 4standard | 1331 | Kobayashi, Gen (1486) | Lost 0-2 | -161353 |
| 5standard | 1361 | Nakamura, Ryouta (1527) | Won 2-0 | +221375 |
| 6standard | 1209 | Maitani, Shintarou (1347) | Won 2-0 | +171392 |
| 7standard | 973 | Hiyama, Seiya (1504) | Won 2-0 | +201412 |
| 8standard | 773 | Sato, Daisuke (1364) | Won 2-1 | +171429 |
| 9standard | 569 | Yuya, Fuke (1536) | Lost 0-2 | -161413 |
| top | average opponent: 1479record: 4-4 | new rating: 1413 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 308 | Koyama, Syun (1498) | Won 2-1 | +201419 |
| 3sealed | 580 | Frej Hoffman, Emil (1564) | Won 2-0 | +211440 |
| 4sealed | 235 | Chu, I Cheng (1554) | Lost 1-2 | -161424 |
| 5sealed | 334 | Hirabayashi, Kazuya (1779) | Won 2-1 | +241448 |
| 6sealed | 247 | Itou, Takanori (1606) | Lost 0-2 | -151433 |
| 7sealed | 323 | Shibayama, Hayato (1413) | Lost 0-2 | -191414 |
| 8sealed | 448 | Kawatsu, Shunsuke (1506) | Draw 1-1 | +21416 |
| 9sealed | 541 | Saito, Yoshihiro (1542) | Lost 1-2 | -161400 |
| top | average opponent: 1558record: 3-4-1 | new rating: 1400 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 486 | Senoo, Yuto (1515) | Lost 0-2 | -161381 |
| 3standard | 727 | Okubo, Ryo (1500) | Won 2-1 | +201401 |
| 4standard | 646 | Hattori, Hiroki (1519) | Lost 0-2 | -161385 |
| 5standard | 840 | Sato, Shinya (1591) | Won 2-0 | +221407 |
| 6standard | 571 | Hirayama, Atsushi (1696) | Lost 1-2 | -131394 |
| 7standard | 601 | Kageyama, Hiroki (1583) | Lost 0-2 | -151379 |
| 8standard | 593 | Saitou, Ryo (1482) | Won 2-0 | +201399 |
| top | average opponent: 1555record: 3-4 | new rating: 1399 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1333 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 294 | Mochiduki, Masashi (1556) | Won 2-1 | +221355 |
| 3sealed | 20 | Hasegawa, Gaku (1722) | Lost 0-2 | -121343 |
| 4sealed | 256 | Yoshimoto, Takashi (1411) | Won 2-1 | +191362 |
| 5sealed | 167 | Tani, Chiharu (1582) | Won 2-0 | +221384 |
| 6sealed | 118 | Ishikami, Naotaka (1555) | Won 2-1 | +211405 |
| 7sealed | 34 | Takahashi, Kazuya (1547) | Lost 0-2 | -151390 |
| 8sealed | 134 | Yaoita, Akihiro (1624) | Won 2-1 | +221412 |
| 9sealed | 69 | Oosawa, Yuki (1538) | Lost 0-2 | -151397 |
| top | average opponent: 1567record: 5-3 | new rating: 1397 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1337 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 87 | Yoshizaki, Hiroki (1501) | Lost 0-2 | -151322 |
| 3sealed | 330 | Ogura, Tomomasa (1481) | Won 2-0 | +211343 |
| 4sealed | 323 | Kawahama, Yoshikazu (1448) | Lost 0-2 | -161327 |
| 5sealed | 365 | Yamazaki, Yusuke (1504) | Won 2-0 | +211348 |
| 6sealed | 284 | Ohata, Hiroyuki (1482) | Lost 1-2 | -151333 |
| top | average opponent: 1483record: 2-3 | new rating: 1333 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1349 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 949 | Koshimura, Takeshi (1615) | Lost 1-2 | -131336 |
| 3modern | 957 | Hamamoto, Yohei (1502) | Won 2-1 | +211357 |
| 4modern | 976 | Sugiyama, Wataru (1453) | Won 2-1 | +201377 |
| 5modern | 838 | Nakahara, Yoshihiro (1503) | Lost 1-2 | -161361 |
| 6modern | 899 | Akabane, Jun (1521) | Lost 0-2 | -151346 |
| 7modern | 961 | Hashimoto, Masatoshi (1591) | Lost 0-2 | -141332 |
| 8modern | 943 | Tamaru, Daisuke (1484) | Lost 1-2 | -151317 |
| 9modern | 925 | Takeshita, Masato (1463) | Won 2-0 | +201337 |
| top | average opponent: 1516record: 3-5 | new rating: 1337 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1349 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 514 | Kajitani, Tsuyoshi (1562) | Lost 0-2 | -141335 |
| 2sealed | 841 | Konta, Takumi (1482) | Won 2-0 | +211356 |
| 3sealed | 745 | Ejima, Kazuki (1503) | Won 2-1 | +201376 |
| 4sealed | 728 | Kase, Koichi (1440) | Lost 0-2 | -171359 |
| 5sealed | 806 | Ito, Masahiro (1623) | Lost 0-2 | -131346 |
| 6sealed | 788 | Obata, Koji (1381) | Won 2-1 | +191365 |
| 7sealed | 717 | Nakamura, Ryuji (1487) | Lost 1-2 | -161349 |
| top | average opponent: 1497record: 3-4 | new rating: 1349 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 135 | Yoshida, Shunsuke (1518) | Lost 0-2 | -161416 |
| 3standard | 308 | Fujikake, Hiroaki (1501) | Lost 1-2 | -171399 |
| 4standard | 344 | Takano, Hirokazu (1485) | Lost 1-2 | -161383 |
| 5standard | 367 | Tominaga, Yuya (1468) | Lost 1-2 | -171366 |
| 6standard | 316 | Koyama, Mitsuru (1416) | Lost 0-2 | -171349 |
| top | average opponent: 1477record: 0-5 | new rating: 1349 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 14 | Topolnyan, Alexey (1485) | Lost 1-2 | -171422 |
| 4standard | 289 | Adachi, Junya (1472) | Won 2-0 | +191441 |
| 5standard | 160 | Trakulsuk, Kawin (1557) | Lost 1-2 | -161425 |
| 6standard | 355 | Tashiro, Kouichi (1745) | Won 2-0 | +231448 |
| 7standard | 240 | Takisaka, Toru (1534) | Lost 1-2 | -161432 |
| top | average opponent: 1559record: 2-3 | new rating: 1432 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 904 | Renger, Michael (1465) | Lost 1-2 | -171426 |
| 3sealed | 852 | Shimura, Ichirou (1794) | Lost 1-2 | -121414 |
| 4sealed | 1095 | Uchiyama, Daichi (1482) | Won 2-1 | +191433 |
| 5sealed | 887 | Hirosawa, Yuuta (1714) | Won 2-1 | +231456 |
| 6sealed | 840 | Arai, Ryo (1500) | Lost 0-2 | -171439 |
| top | average opponent: 1591record: 2-3 | new rating: 1439 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 229 | Ishikawa, Naoto (1479) | Lost 0-2 | -181482 |
| 2standard | 614 | Curry, Andrew D (1432) | Lost 0-2 | -191463 |
| 3standard | 710 | Ooshima, Hidenori (1464) | Won 2-0 | +181481 |
| 4standard | 731 | Welty, Jaramiah (1466) | Draw 1-1 | -11480 |
| 5standard | 638 | Kobayashi, Shougo (1374) | Lost 0-2 | -191461 |
| 6standard | 618 | Nakagami, Hikaru (1465) | Won 2-0 | +181479 |
| 7standard | 496 | Inagaki, Ryou (1506) | Lost 0-2 | -181461 |
| 8standard | 436 | DiGiovanni, Daniel (1463) | Lost 0-2 | -181443 |
| top | average opponent: 1456record: 2-5-1 | new rating: 1443 | ||