We have a Patreon! Click here to become a patron, or read the blog to learn more!
   
Koike, Tomoyuki
Current rating: 1461

Grand Prix Nagoya 2020 (pioneer) starting rating: 1338
round table opponent (rating) result Δrating
2pioneer 4 Kozawa, Kazuki (1523) Lost 0-2 -151323
3pioneer 647 Shih, Chengyao (1499) Won 2-1 +221345
4pioneer 504 Iso, Toshiharu (1502) Lost 1-2 -161329
5pioneer 405 Yamamoto, Haruka (1489) Won 2-1 +211350
6pioneer 507 Park, Geon-Wook (1619) Won 2-1 +231373
7pioneer 279 Futamata, Yojiro (1814) Won 2-1 +261399
8pioneer 196 Sagawa, Zen (1494) Won 2-0 +191418
9pioneer 127 Tomioka, Shota (1599) Won 2-0 +221440
10pioneer 32 Iizuka, Hirofumi (1552) Won 2-0 +201460
11pioneer 27 Higuchi, Yasuhiro (1581) Lost 1-2 -161444
12pioneer 88 Ono, Shoichi (1705) Lost 1-2 -141430
13pioneer 82 Kim, Kyungho (1592) Won 2-0 +211451
14pioneer 95 Saito, Shinnosuke (1674) Lost 1-2 -141437
15pioneer 98 Hoshi, Kazuto (1751) Won 2-0 +241461
top average opponent: 1600record: 9-5 new rating: 1461

Grand Prix Nagoya 2019 (ELD standard) starting rating: 1327
round table opponent (rating) result Δrating
2standard 274 Chen, Mingyu (1515) Lost 0-2 -151312
3standard 739 Saitoh, Makoto (1499) Won 2-0 +211333
4standard 370 Harada, Yugo (1612) Lost 0-2 -131320
5standard 621 Kimura, Kazuki (1668) Won 2-0 +241344
6standard 389 Haritani, Ryosuke (1664) Lost 1-2 -121332
7standard 514 Nishikawa, Haruyoshi (1457) Won 2-0 +201352
8standard 307 Nakada, Shogo (1559) Lost 1-2 -141338
top average opponent: 1568record: 3-4 new rating: 1338

Grand Prix Chiba 2019 (M20 limited) starting rating: 1407
round table opponent (rating) result Δrating
2sealed 501 Yamauchi, Takashi (1400) Lost 0-2 -181389
3sealed 823 Murakami, Haruki (1501) Lost 0-2 -161373
4sealed 834 Yamao, Tsuyoshi (1479) Lost 0-2 -161357
5sealed 868 Kikuchi, Takashi (1282) Won 2-0 +171374
6sealed 704 Yamagiwa, Shimpei (1486) Lost 0-2 -161358
7sealed 636 Song, Shang (1560) Lost 0-2 -151343
8sealed 531 Asao, Kazuki (1408) Lost 0-2 -161327
top average opponent: 1445record: 1-6 new rating: 1327

Grand Prix Taipei 2019 (WAR standard) starting rating: 1364
round table opponent (rating) result Δrating
2standard 157 Lee, Chen Yu (1514) Won 2-1 +211385
3standard 143 Lu, Hao (1644) Won 2-0 +231408
4standard 69 Horiuchi, Makoto (1779) Lost 0-2 -121396
5standard 135 Shinohara, Gen 8933 (1771) Lost 0-2 -111385
6standard 284 Tan, Xiangsheng (1384) Won 2-1 +181403
7standard 176 Miyagi, Moto (1736) Won 2-1 +231426
8standard 123 Lin, You-Yi (1554) Won 2-1 +211447
9standard 95 Goshima, Akito (1880) Lost 0-2 -111436
10standard 88 Oca, Ramon Allan (1568) Lost 1-2 -151421
11standard 100 Lu, Pengjie (1686) Lost 1-2 -141407
top average opponent: 1652record: 5-5 new rating: 1407

Grand Prix Yokohama 2019 (modern) starting rating: 1402
round table opponent (rating) result Δrating
2modern 384 Ishikawa, Shigeru (1441) Won 2-1 +181420
3modern 424 Huang, Hao-Shan (1705) Lost 0-2 -131407
4modern 383 Hayashi, Hisaaki (1509) Lost 0-2 -161391
5modern 684 Taniguchi, Hironobu (1512) Lost 0-2 -151376
6modern 814 Uechi, Shintaro (1540) Won 2-1 +201396
7modern 699 Hoshi, Hirohito (1506) Lost 1-2 -161380
8modern 578 Kawafuji, Soichi (1475) Lost 0-2 -161364
top average opponent: 1527record: 2-5 new rating: 1364

Grand Prix Kyoto 2019 (RNA standard) starting rating: 1408
round table opponent (rating) result Δrating
2standard 367 Muroya, Ryusei (1529) Won 2-0 +201428
3standard 174 Tanaka, Tomoya (1558) Lost 0-2 -161412
4standard 302 Mashima, Mitsuharu (1755) Lost 0-2 -121400
5standard 621 Yamamoto, Kazuaki (1471) Lost 0-2 -161384
6standard 713 Ohshiba, Atsushi (1316) Won 2-1 +171401
7standard 479 Hiroyama, Tomoki (1521) Won 2-1 +201421
8standard 430 Yoshida, Atsushi (1365) Lost 0-2 -191402
top average opponent: 1502record: 3-4 new rating: 1402

Grand Prix Shizuoka 2018 (standard) (GRN standard) starting rating: 1413
round table opponent (rating) result Δrating
2standard 413 Hamada, Akira (1586) Won 2-1 +211434
3standard 419 Yamada, Junki (1522) Lost 0-2 -161418
4standard 629 Imaoka, Syoichi (1579) Won 2-1 +201438
5standard 552 Oikawa, Ryusuke (1626) Lost 1-2 -141424
6standard 726 Kusuzawa, Takuma (1479) Won 2-1 +191443
7standard 529 Yamashita, Yoshiki (1463) Lost 1-2 -181425
8standard 560 Sasaki, Tsuyoshi (1465) Lost 0-2 -171408
top average opponent: 1531record: 3-4 new rating: 1408

Grand Prix Chiba 2018 (M19 limited) starting rating: 1460
round table opponent (rating) result Δrating
2sealed 189 Shibasaki, Jun (1515) Lost 0-2 -171443
3sealed 579 Sawai, Fuka (1501) Lost 1-2 -171426
4sealed 908 Aoki, Takeyuki (1422) Lost 0-2 -181408
5sealed 938 Tsunoda, Yotaro (1327) Lost 0-2 -201388
6sealed 851 Takeda, Teruhisa (1458) Won 2-1 +191407
7sealed 706 Harada, Dampei (1584) Lost 1-2 -141393
8sealed 627 Tanaka, Shun (1517) Won 2-0 +201413
top average opponent: 1475record: 2-5 new rating: 1413

Grand Prix Kyoto 2017 (HOU limited) starting rating: 1426
round table opponent (rating) result Δrating
2sealed 440 Hattori, Kazuki (1588) Won 2-1 +211447
3sealed 353 Toyoda, Takahiro (1537) Won 2-1 +201467
4sealed 173 Takahashi, Yuta (2009) Lost 0-2 -91458
5sealed 531 Soh, Joe (2110) Lost 0-2 -81450
6sealed 580 Arai, Yuusuke0780 (1430) Won 2-0 +181468
7sealed 265 Cammilluzzi, Marco (1812) Lost 1-2 -121456
8sealed 461 Hakozaki, Yuta (1516) Won 2-0 +191475
9sealed 501 Nishimura, Masateru (1622) Lost 1-2 -151460
top average opponent: 1703record: 4-4 new rating: 1460

Grand Prix Kobe 2017 (modern) starting rating: 1471
round table opponent (rating) result Δrating
3modern 482 Ikeda, Tomokazu (1445) Lost 0-2 -191452
4modern 846 Paul, Benjamin (1487) Won 2-1 +191471
5modern 479 Nakajima, Chikara (1784) Lost 1-2 -121459
6modern 597 Oomori, Shouhei (1459) Lost 0-2 -181441
7modern 882 Kedo, Yuta (1501) Lost 0-2 -171424
8modern 852 Hayashi, Masayori (1479) Lost 0-2 -171407
9modern 813 Oota, Ryou (1481) Won 2-1 +191426
top average opponent: 1520record: 2-5 new rating: 1426

Grand Prix Shizuoka 2017 (AER standard) starting rating: 1462
round table opponent (rating) result Δrating
2standard 269 Kurita, Yudai (1567) Lost 0-2 -161446
3standard 1004 Hirano, Satohiro (1531) Lost 0-2 -171429
4standard 1190 Nakano, Makoto (1457) Won 2-0 +191448
5standard 707 Morokuma, Akira (1469) Won 2-1 +181466
6standard 522 Togawa, Syuuichi (1519) Won 2-0 +191485
7standard 567 Morinaka, Fuyuki (1511) Won 2-0 +181503
8standard 325 Liu, Xuan (1610) Lost 1-2 -161487
9standard 372 Kato, Jun (1571) Lost 0-2 -161471
top average opponent: 1529record: 4-4 new rating: 1471

Grand Prix Tokyo 2016 (SOI standard) starting rating: 1489
round table opponent (rating) result Δrating
2standard 267 Nagahashi, Sadaaki (1677) Lost 0-2 -151474
3standard 994 Kitano, Masaaki (1500) Lost 0-2 -171457
4standard 1384 Miyajima, Takuto (1444) Won 2-0 +171474
5standard 1076 Hayashi, Shinsuke (1840) Draw 1-1 +71481
6standard 999 Brown, Christine (1396) Won 2-1 +161497
7standard 723 Ishikawa, Ryosuke (1508) Lost 1-2 -181479
8standard 908 Murata, Kazuki (1488) Lost 1-2 -171462
top average opponent: 1551record: 2-4-1 new rating: 1462

Grand Prix Nagoya 2016 (OGW limited) starting rating: 1444
round table opponent (rating) result Δrating
1sealed 524 Uchiyama, Kouichi (1406) Won 2-1 +171461
2sealed 516 Ohkura, Ryota (1502) Lost 1-2 -171444
3sealed 621 Kounosu, Hiroaki (1387) Won 2-0 +171461
4sealed 560 Iijima, Shin (1524) Won 2-0 +191480
5sealed 199 Yoshioka, Kousuke (1517) Won 2-1 +191499
6sealed 257 Gao, Tan (1833) Lost 1-2 -121487
7sealed 325 Murakami, Noriaki (1612) Lost 0-2 -161471
8sealed 633 Komatsu, Isamu (1540) Won 2-0 +191490
9sealed 287 Hashimoto, Arata (1547) Won 2-0 +191509
10draft 255 Matsumoto, Masataka (1761) Won 2-1 +231532
11draft 354 Kasuga, Ryou (1614) Won 2-0 +191551
12draft 74 Nakamura, Yusuke (1796) Lost 0-2 -131538
13draft 233 Ishikami, Naotaka (1640) Lost 1-2 -171521
14draft 223 Harada, Dampei (1691) Lost 1-2 -141507
15draft 141 Ishino, Katsunori (1522) Lost 0-2 -181489
top average opponent: 1593record: 8-7 new rating: 1489

Grand Prix Chiba 2015 (MM2 limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 101 Sakai, Noriyuki (1500) Won 2-0 +181518
2sealed 179 Takashima, Ryuichi (1532) Lost 0-2 -181500
3sealed 500 Itazu, Yoshihisa (1394) Won 2-1 +161516
4sealed 167 Yamakabe, Syun (1499) Lost 1-2 -181498
5sealed 359 Shiozaki, Toshinori (1520) Lost 0-2 -181480
6sealed 359 Kawai, Kennosuke (1452) Lost 1-2 -181462
7sealed 307 Takahashi, Tomoyoshi (1463) Lost 0-2 -181444
top average opponent: 1480record: 2-5 new rating: 1444