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Kobayashi, Ryohei
Current rating: 1679

Regional Championships Aichi 2023 (pioneer) starting rating: 1699
round table opponent (rating) result Δrating
1pioneer 14 Fukasawa, Masanari (1484) Won 2-0 +141713
2pioneer 5 Atsuji, Makoto (1559) Lost 1-2 -211692
3pioneer 49 Omori, Ken'ichirou (1775) Lost 0-2 -161676
4pioneer 83 Song, Kihoon (1495) Won 2-0 +151691
5pioneer 54 Takahashi, Yuta (1928) Won 2-1 +221713
6pioneer 54 Mikami, Yoshirou (1899) Lost 1-2 -151698
7pioneer 64 Yoshimori, Sho (1602) Lost 1-2 -191679
top average opponent: 1677record: 3-4 new rating: 1679

Regional Championships Chiba 2023 (pioneer) starting rating: 1723
round table opponent (rating) result Δrating
1pioneer 35 Kim, Do Hyung (1535) Lost 0-2 -211702
2pioneer 85 Ozawa, Takeshi (1933) Won 2-1 +221724
3pioneer 82 Ueki, Yuuya (1615) Won 2-0 +161740
4pioneer 24 kamezaki, sho (1501) Lost 0-2 -221718
5pioneer 73 Kawasaki, Keita (1767) Won 2-1 +191737
6pioneer 35 Fujino, Yoshitaka (1623) Lost 1-2 -201717
7pioneer 66 Hori, Masataka (1748) Lost 1-2 -181699
top average opponent: 1675record: 3-4 new rating: 1699

Regional Championships Yokohama 2023 (ONE standard) starting rating: 1685
round table opponent (rating) result Δrating
1standard 57 Yukuhiro, Ken (1790) Won 2-1 +201705
2standard 1 Yajima, Yasunori (1412) Lost 1-2 -231682
3standard 44 Bang, Hyun-Jung (1514) Won 2-0 +151697
4standard 19 Honda, Rintaro (1810) Won 2-0 +201717
5standard 23 Kiyofuji, Kazuya (1776) Won 2-0 +191736
6standard 15 Kobayasi, Tomoya (1843) Won 2-1 +201756
7standard 6 Noine, Kazuhiro (1912) Lost 0-2 -151741
8standard 6 Segou, Kenji (1930) Lost 1-2 -151726
9standard 20 Atsuji, Makoto (1483) Won 2-0 +141740
10standard 13 Moriyama, Masahide (1923) Lost 1-2 -151725
11standard 20 Ebitani, Keisuke (1775) Lost 0-2 -171708
12standard 20 JANG, HYUNDEOK (1563) Won 2-1 +151723
top average opponent: 1728record: 7-5 new rating: 1723

Regional Championships Aichi 2022 (pioneer) starting rating: 1631
round table opponent (rating) result Δrating
1pioneer 47 Yamashita, Yoshiki (1483) Won 2-1 +151646
2pioneer 33 Takahashi, Yuta (2165) Won 2-1 +271673
3pioneer 19 Sato, Rei (1942) Won 2-1 +221695
4pioneer 5 Hashizume, Hayato (1560) Lost 0-2 -201675
5pioneer 30 Fukudome, Yuu (1710) Won 2-1 +191694
6pioneer 6 Tsubouchi, Tomoya (1944) Lost 1-2 -141680
7pioneer 17 Kosaka, Kazune (1915) Won 2-0 +221702
8pioneer 13 Hirokawa, Ryouji (1591) Lost 1-2 -201682
9pioneer 24 Miyabe, Kouichi (1791) Lost 0-2 -161666
10pioneer 27 Inui, Takashi (1756) Lost 0-2 -161650
11pioneer 29 Cho, Jae Seok (1691) Won 2-1 +191669
12pioneer 24 Matsumoto, Tomohiro (1577) Won 2-0 +161685
top average opponent: 1760record: 7-5 new rating: 1685

Neon Dynasty Championship (MTGA mixed) starting rating: 1670
round table opponent (rating) result Δrating
1alchemy 5 Zhi, Yimin (2083) Lost 0-2 -101660
2alchemy 77 Burkhart, Corey (1902) Lost 0-2 -141646
3alchemy 108 Gennari, Justin (1555) Won 2-1 +161662
4historic 61 Rosdahl, Alexander (1933) Lost 1-2 -131649
5historic 83 Avsec, Anze (1753) Lost 1-2 -161633
6historic 96 Karamchandani, Arya (1686) Lost 1-2 -171616
7historic 94 Komiyama, Kouhei (1431) Won 2-1 +151631
top average opponent: 1763record: 2-5 new rating: 1631

Grand Prix Nagoya 2020 (pioneer) starting rating: 1654
round table opponent (rating) result Δrating
3pioneer 92 Tanaka, Yoshihiro (1492) Won 2-1 +151669
4pioneer 23 Miura, Ryuji (1860) Lost 1-2 -141655
5pioneer 282 Wentao, Qi (1887) Won 2-1 +221677
6pioneer 182 Kodera, Yasunori (1579) Won 2-1 +161693
7pioneer 116 Dadyko, Alexander (1741) Lost 0-2 -171676
8pioneer 201 Kimura, Minori (1514) Won 2-1 +151691
9pioneer 169 Matsuda, Taku (1547) Won 2-0 +161707
10pioneer 31 Ju, Yaqiong (1783) Lost 1-2 -171690
11pioneer 125 Saito, Naoki (1611) Lost 1-2 -201670
top average opponent: 1668record: 5-4 new rating: 1670

Grand Prix Richmond 2019 (ELD standard) starting rating: 1692
round table opponent (rating) result Δrating
3standard 65 Housley, Kyle (1544) Lost 1-2 -211671
4standard 200 DuBois, Jesse (1483) Won 2-0 +151686
5standard 103 Vieren, Pascal (2074) Lost 1-2 -121674
6standard 111 Hemstedt, Daniel (1557) Lost 1-2 -201654
top average opponent: 1665record: 1-3 new rating: 1654

Mythic Championship VI (ELD standard) starting rating: 1712
round table opponent (rating) result Δrating
1draft 242 Nettles, Logan (1934) Lost 0-2 -141698
2draft 93 Marts, Logan (1797) Lost 0-2 -161682
3draft 34 Henry, Julien (1862) Won 2-0 +211703
4standard 156 Kaplan, Louis (1946) Lost 0-2 -141689
5standard 197 Harding, Tommy (1821) Won 2-1 +211710
6standard 136 Lyons, Andrew (1461) Won 2-0 +131723
7standard 154 Innauer, Felix (2028) Lost 1-2 -121711
8standard 167 Fiedler, Andrew (1668) Lost 0-2 -191692
top average opponent: 1814record: 3-5 new rating: 1692

Grand Prix Nagoya 2019 (ELD standard) starting rating: 1692
round table opponent (rating) result Δrating
3standard 76 Murakami, Souta (1666) Lost 0-2 -181674
4standard 414 Shoji, Tatsuro (1796) Won 2-0 +201694
5standard 216 Sarusawa, Yuichi (1233) Won 2-1 +101704
6standard 91 Uno, Yuki (1515) Won 2-0 +151719
7standard 87 Abe, Michio (1516) Won 2-0 +141733
8standard 64 Obara, Takahiro (1571) Lost 0-2 -211712
9standard 148 Yuzo Sumiyoshi, Ivan (1638) Lost 1-2 -191693
10standard 128 Omonishi, Kojiro (1756) Won 2-0 +191712
top average opponent: 1586record: 5-3 new rating: 1712

Grand Prix Chiba 2019 (M20 limited) starting rating: 1716
round table opponent (rating) result Δrating
3sealed 149 Huang, Hao-Shan (1727) Won 2-0 +181734
4sealed 17 Hamasaki, Masayuki (1572) Lost 1-2 -201714
5sealed 402 Shiwaku, Tsuyoshi (1883) Lost 0-2 -151699
6sealed 530 Kazami, Hayato (1515) Won 2-1 +141713
7sealed 304 Kasuya, Takeshi (1538) Lost 1-2 -211692
top average opponent: 1647record: 2-3 new rating: 1692

Mythic Championship II (modern) starting rating: 1679
round table opponent (rating) result Δrating
1draft 95 Silva, Dagoberto (1691) Won 2-0 +181697
2draft 94 Moscato, Adriano (1938) Lost 1-2 -131684
3draft 93 Pozzo, Sebastian (1964) Won 2-1 +231707
4modern 87 Budde, Kai (1841) Won 2-1 +201727
5modern 72 Kuribara, Shuta (1770) Lost 1-2 -171710
6modern 68 Cole, Seth (1688) Won 2-0 +171727
7modern 52 Magalhaes, Edgar (2085) Lost 0-2 -111716
8modern 63 Kiihne, Zachary (1844) Lost 1-2 -161700
9draft 33 Wibmer, Sebastian (1731) Won 2-0 +191719
10draft 33 Verdiani, Luca (1763) Won 2-0 +181737
11draft 29 Hatchel, Tyler (1770) Lost 0-2 -171720
12modern 116 Wu, Kon Fai (1969) Lost 0-2 -141706
13modern 119 Friedman, Matt (1557) Lost 1-2 -201686
14modern 12 Cuneo, Andrew (2017) Lost 1-2 -131673
15modern 133 Rubin, Steve (1900) Won 2-1 +231696
16modern 88 Stark, Ben S (1848) Won 2-0 +201716
top average opponent: 1836record: 8-8 new rating: 1716

Grand Prix Yokohama 2019 (modern) starting rating: 1705
round table opponent (rating) result Δrating
3modern 488 Funami, Syun (1528) Lost 1-2 -211684
4modern 590 Matsuda, Issui (1559) Lost 0-2 -201664
5modern 608 Yanagawa, Tomoyuki (1437) Won 2-1 +141678
6modern 438 Aridome, Tomohiro (1913) Won 2-1 +221700
7modern 487 Kato, Yusuke9880 (1549) Lost 1-2 -211679
top average opponent: 1597record: 2-3 new rating: 1679

Grand Prix Kyoto 2019 (RNA standard) starting rating: 1750
round table opponent (rating) result Δrating
3standard 361 Tsukada, Hiroshi (1465) Won 2-0 +131763
4standard 43 Takahashi, Yuta (1985) Won 2-0 +221785
5standard 119 Xu, Haonan (1584) Won 2-0 +151800
6standard 32 Masuda, Masahito (1658) Lost 1-2 -211779
7standard 59 Kanbara, Hokuto (1573) Won 2-0 +141793
8standard 88 Liu, Yuchen (1939) Lost 1-2 -151778
9standard 147 Shono, Takanari (1533) Lost 1-2 -221756
10standard 137 Yanagidate, Ikumi (1564) Won 2-1 +141770
11standard 124 Jung, Yong Hyuk (1548) Lost 1-2 -221748
12standard 157 Sasaki, Shin (1550) Lost 1-2 -211727
13standard 165 Nakamura, Yuu (1530) Lost 0-2 -221705
top average opponent: 1630record: 5-6 new rating: 1705

Grand Prix Shizuoka 2018 (standard) (GRN standard) starting rating: 1721
round table opponent (rating) result Δrating
3standard 212 Nagao, Yasutaka (1832) Lost 1-2 -161705
4standard 661 Takekiyo, Koji (1324) Won 2-0 +121717
5standard 453 Saito, Tomoya (1719) Lost 0-2 -181699
6standard 650 Tsuruoka, Shouta (1532) Won 2-1 +151714
7standard 550 Zhuang, Kai (1715) Won 2-1 +181732
8standard 328 Kurusu, Kazuki (1553) Won 2-1 +151747
9standard 103 Oooka, Daiji (1562) Won 2-0 +141761
10standard 56 Kawabata, Yuji (1593) Lost 1-2 -211740
11standard 137 Suzuki, Takahito (1544) Won 2-0 +151755
12standard 60 Maeba, Hideaki (1826) Lost 1-2 -171738
13standard 121 Hirano, Mikita (1737) Won 2-1 +181756
14standard 81 Hayashi, Masayori (1578) Won 2-1 +151771
15standard 63 Iimura, Yuta (1640) Lost 1-2 -211750
top average opponent: 1627record: 8-5 new rating: 1750

Pro Tour Guilds of Ravnica (GRN standard) starting rating: 1813
round table opponent (rating) result Δrating
1draft 203 Foderaro, Massimiliano (1483) Lost 0-2 -241789
2draft 255 Gennari Souza, Juliano (1729) Lost 0-2 -191770
3draft 112 Zheng, Kai (1400) Lost 0-2 -241746
4standard 253 Nakagami, Takanori (1416) Won 2-0 +121758
5standard 209 Brown, Robert L (1715) Won 2-1 +171775
6standard 195 Chew, Kelvin (1940) Lost 0-2 -151760
7standard 187 Gennari Souza, Juliano (1720) Lost 0-2 -191741
8standard 199 Gellis, Dylan (1628) Lost 1-2 -201721
top average opponent: 1629record: 2-6 new rating: 1721

Grand Prix Chiba 2018 (M19 limited) starting rating: 1643
round table opponent (rating) result Δrating
3sealed 484 Miyawaki, Takeshi (1644) Won 2-0 +181661
4sealed 93 Sonoda, Shouhei (1487) Won 2-0 +141675
5sealed 16 Hattori, Taiki (1650) Lost 0-2 -181657
6sealed 207 Kozakai, Yukio (1710) Won 2-1 +191676
7sealed 171 Wu, Xuan (1785) Won 2-0 +201696
8sealed 28 Okamoto, Yuuya (1767) Won 2-0 +191715
9sealed 17 Kubota, Muneaki (1744) Won 2-1 +191734
10draft 762 Sekikawa, Daichi (1807) Won 2-0 +191753
11draft 685 Shirakihara, Ryuuichi (1487) Won 2-0 +131766
12draft 737 Masukado, Kenta (1943) Won 2-0 +221788
13draft 595 Nanba, Naoya (1863) Won 2-1 +191807
14draft 703 Kawasaki, Keita (1971) Lost 1-2 -151792
15draft 676 Shimamura, Kazushige (1569) Won 2-1 +141806
Qdraft Hagiwara, Genta (2001) Won 2-0 +211827
Sdraft Salvador Arnal, Guillem (2036) Lost 0-2 -141813
top average opponent: 1764record: 12-3 new rating: 1813

Grand Prix Kyoto 2017 (HOU limited) starting rating: 1648
round table opponent (rating) result Δrating
2sealed 242 Tanigaki, Toshiyuki (1436) Won 2-0 +141662
3sealed 371 Nakajima, Takuya (1538) Won 2-0 +161678
4sealed 159 Orange, Gregory (1984) Won 2-1 +231701
5sealed 23 Tsuchiya, Hideaki (1855) Lost 0-2 -151686
6sealed 303 Cho, Won-Jun (1619) Won 2-0 +171703
7sealed 108 Ohki, Tatsuhiko (1750) Lost 1-2 -171686
8sealed 158 Kawamoto, Takahiro (1542) Won 2-0 +151701
9sealed 81 Soh, Joe (2112) Lost 0-2 -111690
10draft 138 McVety, Max (1973) Won 2-0 +231713
11draft 54 Calcano, Christian (1919) Lost 0-2 -141699
12draft 252 Amon, Harald (1564) Lost 1-2 -211678
13draft 141 Kimura, Shigeki (1766) Lost 0-2 -161662
14draft 219 Saito, Toru (1579) Lost 1-2 -191643
top average opponent: 1741record: 6-7 new rating: 1643

Grand Prix Shizuoka 2017 (AER standard) starting rating: 1531
round table opponent (rating) result Δrating
3standard 411 Motoshi, Takahashi (1435) Won 2-0 +161547
4standard 174 Matsushima, Syuuitirou (1541) Won 2-1 +181565
5standard 71 Yamauchi, Takashi (1472) Won 2-1 +171582
6standard 48 Lim, Zhong Yi (2006) Lost 1-2 -111571
7standard 156 Komiyama, Kenichiro (1546) Won 2-0 +171588
8standard 129 Ishimura, Shintaro (2104) Lost 1-2 -91579
9standard 241 Segou, Kenji (1615) Won 2-0 +191598
10standard 98 Chew, Kelvin (2136) Won 2-0 +271625
11standard 104 Hosokawa, Yuya (1792) Lost 0-2 -151610
12standard 154 Masuda, Sho (1603) Lost 0-2 -181592
13standard 194 Fujita, Tsuyoshi (1796) Won 2-0 +211613
14standard 121 Takita, Ryuta (1589) Won 2-1 +181631
15standard 113 Iwata, Sou (1580) Won 2-1 +171648
top average opponent: 1709record: 9-4 new rating: 1648

Grand Prix Chiba 2016 (legacy) starting rating: 1500
round table opponent (rating) result Δrating
3legacy 330 Kaneko, Masayuki4374 (1538) Won 2-0 +191519
4legacy 102 Utiyama, Yasuyuki (1520) Lost 1-2 -181501
5legacy 230 Shiraishi, Tsutomu (1553) Won 2-1 +191520
6legacy 132 Kozakai, Yukio (1652) Lost 1-2 -161504
7legacy 376 Saito, Shinya (1649) Lost 1-2 -151489
8legacy 575 Oota, Kazuki (1554) Won 2-1 +191508
9legacy 394 Takeuchi, Keisuke (1477) Won 2-0 +171525
10legacy 319 Matsuda, Atsushi (1568) Lost 0-2 -171508
11legacy 277 Ito, Takayuki (1444) Lost 1-2 -191489
12legacy 312 Takata, Takumi (1443) Won 2-0 +171506
13legacy 285 Oomura, Takashi (1558) Won 2-1 +191525
14legacy 236 Kakumae, Teruya (1873) Lost 1-2 -121513
15legacy 224 Noguchi, Takeshi (1517) Won 2-0 +181531
top average opponent: 1565record: 7-6 new rating: 1531