Kobayashi, Jun
Current rating: 1518
Record: 60-75 (GP) / 2-6 (professional)
- 2007
- 2008
- 2009
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2017
- 2018
- 2019
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Yashiro, Kazuki (1830) | Lost 1-2 | -121525 |
| 2standard | 645 | Kinoshita, Kazuya (1425) | Lost 0-2 | -201505 |
| 3standard | 921 | Mihashi, Takanobu (1480) | Lost 1-2 | -191486 |
| 4standard | 951 | Urabe, Hirofumi (1307) | Won 2-0 | +151501 |
| 5standard | 808 | Iijima, Yuuki (1457) | Won 2-1 | +171518 |
| top | average opponent: 1500record: 2-3 | new rating: 1518 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 262 | Tsuchida, Yoshitaka (1515) | Won 2-1 | +171565 |
| 2standard | 204 | Kasuga, Koki (1428) | Lost 1-2 | -201545 |
| 3standard | 737 | Fujioka, Naoya (1574) | Won 2-0 | +181563 |
| 4standard | 469 | Saiga, Noriaki (1544) | Lost 1-2 | -181545 |
| 5standard | 796 | Takada, Narumasa (1521) | Lost 0-2 | -191526 |
| 6standard | 796 | Kounosu, Hiroaki (1187) | Won 2-1 | +121538 |
| 7standard | 695 | Kato, Wataru (1465) | Won 2-0 | +171555 |
| 8standard | 598 | Nishikawa, Ryota (1582) | Lost 0-2 | -181537 |
| top | average opponent: 1477record: 4-4 | new rating: 1537 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1418 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 533 | Nakabayashi, Ryouta (1482) | Won 2-0 | +191437 |
| 2sealed | 258 | Iwata, Ryoji (1450) | Won 2-0 | +191456 |
| 3sealed | 525 | Zhi, Yimin (1760) | Lost 1-2 | -131443 |
| 4sealed | 762 | Goto, Satoshi (1513) | Won 2-0 | +191462 |
| 5sealed | 262 | Ikarashi, Satoru (1505) | Lost 0-2 | -171445 |
| 6sealed | 560 | Iwazaki, Yuuta (1669) | Lost 1-2 | -141431 |
| 7sealed | 803 | Shimizu, Naoki (1795) | Won 2-1 | +241455 |
| 8sealed | 450 | Gotou, Atsushi (1512) | Won 2-0 | +191474 |
| 9sealed | 285 | Shinkai, Yasuhiro (1579) | Won 2-1 | +201494 |
| 10draft | 280 | Setoguchi, Takaaki (1522) | Won 2-1 | +191513 |
| 11draft | 282 | Nagao, Shunsuke (1659) | Won 2-1 | +201533 |
| 12draft | 157 | Sugiura, Hiroki (1667) | Won 2-0 | +211554 |
| 13draft | 112 | Yokoi, Masaki (1717) | Lost 0-2 | -151539 |
| 14draft | 25 | Riphat, Aziz (1743) | Lost 1-2 | -151524 |
| 15draft | 198 | Sifuentes, Francisco (1815) | Won 2-1 | +241548 |
| top | average opponent: 1626record: 10-5 | new rating: 1548 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 138 | Itou, Tomoya (1622) | Lost 1-2 | -141412 |
| 4sealed | 198 | Caro, Kyle (1520) | Won 2-0 | +201432 |
| 5sealed | 119 | Araki, Satoshi (1528) | Lost 0-2 | -161416 |
| 6sealed | 303 | Iijima, Shin (1488) | Won 2-0 | +191435 |
| 7sealed | 165 | Satou, Naoki0092 (1506) | Lost 0-2 | -171418 |
| top | average opponent: 1533record: 2-3 | new rating: 1418 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1391 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 196 | Funahashi, Shun (1589) | Lost 0-2 | -151376 |
| 4sealed | 209 | Komeda, Hiroshi (1519) | Lost 0-2 | -151361 |
| 5sealed | 323 | Amano, Takatoshi (1498) | Won 2-1 | +201381 |
| 6sealed | 160 | Tamai, Yuno (1527) | Won 2-1 | +211402 |
| 7sealed | 130 | Ono, Masayuki (1454) | Won 2-0 | +191421 |
| 8sealed | 79 | Kasuga, Nobuhiro (1580) | Won 2-0 | +211442 |
| 9sealed | 68 | Hanaoka, Shinichiro (1573) | Lost 0-2 | -161426 |
| top | average opponent: 1534record: 4-3 | new rating: 1426 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 87 | Akaboshi, Yuki (1537) | Lost 1-2 | -161377 |
| 4modern | 236 | Oonishi, Tomokazu (1500) | Won 2-1 | +211398 |
| 5modern | 216 | Yohara, Tosho (1557) | Lost 0-2 | -161382 |
| 6modern | 253 | Nakanishi, Hiroki (1499) | Won 2-1 | +211403 |
| 7modern | 255 | Hosokawa, Shun'ya (1494) | Won 2-0 | +191422 |
| 8modern | 154 | Suzuki, Futaro (1617) | Lost 1-2 | -141408 |
| 9modern | 206 | Sakai, Ryou (1468) | Lost 0-2 | -171391 |
| top | average opponent: 1525record: 3-4 | new rating: 1391 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1357 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 110 | Fujii, Yuusaku (1410) | Won 2-1 | +191376 |
| 4sealed | 54 | Matsuda, Yuuichi (1535) | Won 2-0 | +211397 |
| 5sealed | 20 | Otani, Makoto (1469) | Won 2-0 | +191416 |
| 6sealed | 22 | Yuasa, Kentarou (1659) | Lost 1-2 | -141402 |
| 7sealed | 41 | Oshima, Takafumi (1621) | Won 2-1 | +221424 |
| 8sealed | 28 | Kamei, Kazuhiko (1500) | Lost 1-2 | -161408 |
| 9sealed | 68 | Higuchi, Makoto (1584) | Lost 1-2 | -151393 |
| top | average opponent: 1540record: 4-3 | new rating: 1393 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1372 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 175 | Adachi, Takaaki (1518) | Lost 0-2 | -151357 |
| top | record: 0-1 | new rating: 1357 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1324 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1423 | McDermott, Michael (1559) | Won 2-0 | +221346 |
| 4sealed | 1404 | Chandler, Kyle (1656) | Lost 0-2 | -131333 |
| 5sealed | 1216 | Robards, Nathan (1540) | Won 2-0 | +221355 |
| 6sealed | 982 | Wallendorf, Jonas (1787) | Lost 1-2 | -111344 |
| 7sealed | 768 | Nesteby, Steven (1550) | Won 2-1 | +221366 |
| 8sealed | 658 | Brown, Stephen (1506) | Lost 0-2 | -151351 |
| 9sealed | 500 | Finefield, Mark (1540) | Won 2-1 | +211372 |
| top | average opponent: 1591record: 4-3 | new rating: 1372 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1358 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 239 | Terajima, Kazuma (1494) | Lost 0-2 | -151343 |
| 4standard | 442 | Okamoto, Akinori (1520) | Lost 1-2 | -151328 |
| 5standard | 476 | Ono, Shoichi (1484) | Lost 1-2 | -151313 |
| 6standard | 564 | Yasunaka, Shinichi (1482) | Won 2-0 | +211334 |
| 7standard | 429 | Kawasaki, Hirotaka (1501) | Lost 0-2 | -151319 |
| 8standard | 427 | Sasabe, Yusuke (1474) | Lost 1-2 | -151304 |
| 9standard | 366 | Ishikawa, Syota (1415) | Won 2-1 | +201324 |
| top | average opponent: 1481record: 2-5 | new rating: 1324 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1312 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 154 | Takahashi, Nozomu (1599) | Lost 0-2 | -131299 |
| 3modern | 463 | Nishikori, Kouji (1484) | Won 2-0 | +211320 |
| 4modern | 266 | Matoba, Takashi (1724) | Won 2-0 | +251345 |
| 5modern | 283 | Takami, Yuta (1534) | Won 2-1 | +221367 |
| 6modern | 91 | Karlsson, Rickard (1463) | Won 2-1 | +201387 |
| 7modern | 83 | Yamaguchi, Hiroshi (Fukui) (1563) | Lost 0-2 | -151372 |
| 8modern | 121 | Sugita, Daichi (1617) | Lost 0-2 | -141358 |
| top | average opponent: 1569record: 4-3 | new rating: 1358 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1282 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 77 | Tanabe, Yuusuke (1519) | Lost 0-2 | -141268 |
| 3standard | 147 | Mitsuyasu, Hidetoshi (1549) | Lost 0-2 | -131255 |
| 4standard | 353 | Tsukamoto, Tatsushi (1446) | Won 2-1 | +221277 |
| 5standard | 262 | Yamauchi, Kazushi (1447) | Won 2-0 | +211298 |
| 6standard | 141 | Hada, Nobuto (1385) | Won 2-0 | +191317 |
| 7standard | 120 | Takenaka, Yuuhi (1543) | Lost 0-2 | -141303 |
| 8standard | 138 | Hayashi, Shouya (1608) | Lost 0-2 | -121291 |
| 9standard | 141 | Fukuda, Yousuke (1473) | Won 2-0 | +211312 |
| top | average opponent: 1496record: 4-4 | new rating: 1312 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1282 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 72 | Tashiro, Yoshiaki (1719) | Lost 1-2 | -111271 |
| 3extended | 124 | Shimizu, Ryo (1408) | Won 2-1 | +201291 |
| 4extended | 202 | Chen, Liang (1752) | Lost 0-2 | -101281 |
| 5extended | 219 | Shimizu, Kouji (1533) | Lost 1-2 | -131268 |
| 6extended | 225 | Kobayashi, Shougo (1482) | Lost 1-2 | -141254 |
| 7extended | 195 | Okamura, Kazuya (1423) | Won 2-0 | +211275 |
| 8extended | 150 | F., Kentarou (1491) | Won 2-0 | +221297 |
| 9extended | 114 | Takeno, Shinichi (1485) | Lost 1-2 | -151282 |
| top | average opponent: 1537record: 3-5 | new rating: 1282 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1325 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 174 | Takebayashi, Tomo (1740) | Lost 1-2 | -111314 |
| 3standard | 174 | Takahashi, Tsutomu (1448) | Won 2-1 | +201334 |
| 4standard | 238 | Kimura, Kazuaki (1733) | Lost 1-2 | -111323 |
| 5standard | 295 | Kojima, Tatsuhiro (1497) | Lost 0-2 | -151308 |
| 6standard | 322 | Yoshimura, Yutaka (1452) | Lost 1-2 | -151293 |
| 7standard | 276 | Matsuo, Keita (1405) | Lost 1-2 | -161277 |
| 8standard | 232 | Kishimoto, Hiromichi (1406) | Won 2-0 | +201297 |
| 9standard | 186 | Speed, Erek (1415) | Lost 1-2 | -151282 |
| top | average opponent: 1512record: 2-6 | new rating: 1282 | ||
| Pro Tour San Juan 2010 (Zendikar block) | starting rating: 1355 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 65 | Ambler, Kevin (1522) | Lost 0-2 | -151340 |
| 2block | 134 | Jissang, Vincent (1551) | Lost 0-2 | -141326 |
| 3block | 173 | Strom, Tobias (1623) | Lost 0-2 | -131313 |
| 4block | 188 | Guzman, David (1476) | Won 2-1 | +211334 |
| 5block | 147 | Golia, Patrizio (1777) | Won 2-0 | +261360 |
| 6draft | 66 | Boggemes, Kyle (1986) | Lost 0-2 | -81352 |
| 7draft | 129 | Reinschmidt, Christian (1579) | Lost 0-2 | -141338 |
| 8draft | 118 | Fox, Adam M (1612) | Lost 1-2 | -131325 |
| top | average opponent: 1641record: 2-6 | new rating: 1325 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1353 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 381 | Yoshino, Takaaki (1500) | Won 2-0 | +201373 |
| 2extended | 233 | Shimura, Ichirou (1820) | Lost 0-2 | -101363 |
| 3extended | 178 | Watanabe, Tetsuo (1433) | Lost 0-2 | -171346 |
| 4extended | 460 | Take, Toshiharu (1527) | Lost 0-2 | -151331 |
| 5extended | 415 | Aihara, Hironori (1349) | Lost 0-2 | -171314 |
| 6extended | 368 | Yoshino, Eiichi (1486) | Lost 0-2 | -151299 |
| 7extended | 288 | Hisaki, Yuu (1408) | Won 2-1 | +201319 |
| 8extended | 122 | Einoo, Takafumi (1305) | Won 2-1 | +181337 |
| 9extended | 152 | Sakamoto, Naoki (1366) | Won 2-0 | +181355 |
| top | average opponent: 1466record: 4-5 | new rating: 1355 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1372 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 46 | Araki, Youhei (1500) | Lost 0-2 | -151357 |
| 2extended | 161 | Sasaki, Tsuyoshi (1470) | Lost 0-2 | -161341 |
| 3extended | 223 | Tsuba, Yuuki (1407) | Won 2-1 | +191360 |
| 4extended | 239 | Yanaseko, Kentarou (1537) | Won 2-0 | +211381 |
| 5extended | 191 | Fujii, Toshikazu (1429) | Lost 1-2 | -171364 |
| 6extended | 175 | Honda, Hirohito (1456) | Won 2-0 | +201384 |
| 7extended | 113 | Yoshinaga, Mitsuteru (1524) | Lost 0-2 | -161368 |
| 8extended | 138 | Ooba, Hideto (1499) | Lost 0-2 | -151353 |
| top | average opponent: 1478record: 3-5 | new rating: 1353 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Makino, Satoshi (1500) | Won 2-1 | +201433 |
| 2standard | 5 | Sugiyama, Hitoshi (1570) | Lost 0-2 | -161417 |
| 3standard | 173 | Kosuga, Shuhei (1422) | Lost 0-2 | -171400 |
| 4standard | 356 | Shiga, Yuuta (1533) | Lost 0-2 | -161384 |
| 5standard | 334 | Nagai, Yuuki (1438) | Won 2-1 | +191403 |
| 6standard | 264 | Adachi, Ryosuke (1459) | Lost 1-2 | -171386 |
| 7standard | 89 | Atsumi, Takafumi (1466) | Won 2-1 | +191405 |
| 8standard | 117 | Kobashi, Motoki (1484) | Lost 0-2 | -161389 |
| 9standard | 113 | Bareiro, Carlos (1467) | Lost 0-2 | -171372 |
| top | average opponent: 1482record: 3-6 | new rating: 1372 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 277 | Harada, Yoshio (1431) | Lost 0-2 | -191481 |
| 2standard | 248 | Nakazawa, Kazuhiro (1590) | Won 2-0 | +201501 |
| 3standard | 297 | Shimono, Tetsuro (1475) | Lost 0-2 | -191482 |
| 4standard | 358 | Kamiyama, Daiki (1478) | Lost 0-2 | -181464 |
| 5standard | 319 | Abe, Masaki (1465) | Lost 0-2 | -181446 |
| 6standard | 298 | Murayama, Yoshiyuki (1551) | Lost 0-2 | -161430 |
| 7standard | 253 | Yasukawa, Kazuhide (1543) | Lost 0-2 | -161414 |
| 8standard | 210 | Fujimoto, Takehiro (Hyogo) (1429) | Lost 1-2 | -181396 |
| 9standard | 176 | Yoshimura, Motoki (1340) | Won 2-1 | +171413 |
| top | average opponent: 1478record: 2-7 | new rating: 1413 | ||