Grand Prix Nagoya 2004 (5DN standard)			starting rating: 1398
round	table	opponent (rating)	result	Δrating
4standard	27	Yasooka, Shota (1576)	Lost 0-2	-141384
5standard	125	Ikawa, Yoshihiko (1519)	Lost 1-2	-161368
6standard	188	Okazaki, Hideki (1468)	Lost 0-2	-161352
top		average opponent: 1521record: 0-3	new rating: 1352

Grand Prix Okayama 2004 (extended)			starting rating: 1422
round	table	opponent (rating)	result	Δrating
1extended	114	Nagayasu, Yoshinori (1519)	Lost 0-2	-171405
2extended	159	Mitani, Shinya (1446)	Won 2-1	+191424
3extended	89	Nohira, Takanori (1500)	Lost 1-2	-161408
4extended	138	Shibata, Keigo (1492)	Won 2-1	+191427
5extended	104	Nakauchi, Mayumi (1542)	Lost 0-2	-161411
6extended	128	Nobushita, Jun (1619)	Won 2-1	+221433
7extended	103	Hatano, Tomoki (1505)	Lost 0-2	-171416
8extended	96	Omori, Ken'ichirou (1424)	Lost 1-2	-181398
top		average opponent: 1506record: 3-5	new rating: 1398

Grand Prix Yokohama 2003 (Onslaught block)			starting rating: 1411
round	table	opponent (rating)	result	Δrating
1block	107	Kawaguchi, Masashi (1465)	Lost 1-2	-171394
2block	284	Ootsu, Tadashi (1482)	Won 2-0	+201414
3block	291	Kawasaki, Mariko (1430)	Won 2-0	+181432
4block	180	Koji, Kazumasa (1594)	Lost 0-2	-151417
5block	285	Ishihara, Kazutae (1485)	Lost 1-2	-171400
6block	281	Kawashima, Mitsuhiro (1482)	Lost 0-2	-161384
7block	268	Yamagishi, Norikazu (1431)	Won 2-1	+191403
8block	209	Kondo, Takahito (1461)	Won 2-0	+191422
top		average opponent: 1479record: 4-4	new rating: 1422

Grand Prix Sapporo 2002 (Odyssey block)			starting rating: 1463
round	table	opponent (rating)	result	Δrating
1block	92	Kumagai, Shinichi (1537)	Lost 0-2	-161447
2block	188	Sato, Takeshi (1446)	Lost 1-2	-181429
3block	203	Kidachi, Ryo (1463)	Lost 0-2	-181411
top		average opponent: 1482record: 0-3	new rating: 1411

Grand Prix Sendai 2001 (extended)			starting rating: 1414
round	table	opponent (rating)	result	Δrating
1extended	45	Hanada, Haruki (1500)	Won 2-1	+191433
2extended	97	Watanabe, Masanari (1648)	Won 2-1	+221455
3extended	71	Satou, Akihiko (1536)	Lost 0-2	-161439
4extended	86	Kamei, Kazuhiko (1504)	Lost 1-2	-171422
5extended	112	Takano, Yutaro (1499)	Lost 1-2	-171405
6extended	153	Waga, Hiroyuki (1482)	Won 2-0	+201425
7extended	114	Takahashi, Kazuo (1500)	Won 2-0	+191444
8extended	84	Ito, Yoshimasa (1518)	Won 2-1	+191463
top		average opponent: 1523record: 5-3	new rating: 1463

Grand Prix Kobe 2001 (Invasion block)			starting rating: 1465
round	table	opponent (rating)	result	Δrating
1block	352	Tadokoro, Shintaro (1500)	Lost 1-2	-171448
2block	415	Yasukawa, Kazuhide (1434)	Lost 0-2	-181430
3block	615	Konno, Yoshiki (1464)	Draw 1-1	01430
4block	596	Kawasaki, Ryusuke (1463)	Lost 1-2	-171413
5block	574	Kita, Meguto (1446)	Won 2-1	+181431
6block	480	Sugama, Hideichi (1446)	Lost 1-2	-171414
top		average opponent: 1459record: 1-4-1	new rating: 1414

Grand Prix Hiroshima 2001 (INV limited)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1sealed	151	Nishida, Hiroshi (1500)	Lost 1-2	-181482
2sealed	122	Toriumi, Takashi (1482)	Draw 1-1	01482
3sealed	166	Tsuchiya, Heinrich (1482)	Won 2-1	+181500
4sealed	126	Ueno, Motohiro (1501)	Lost 0-2	-181482
5sealed	149	Noguchi, Masami (1481)	Won 2-0	+181500
6sealed	110	Goda, Masayuki (1501)	Lost 0-2	-181482
7sealed	108	Yamasaki, Yudai (1547)	Lost 0-2	-171465
top		average opponent: 1499record: 2-4-1	new rating: 1465

Grand Prix Kyoto 2000 (extended)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1extended	135	Nogami, Kazuki (1500)	Won 2-0	+181518
2extended	176	Ito, Kunihiko (1518)	Lost 0-2	-181500
3extended	137	Oda, Shinsuke (1500)	Lost 1-2	-181482
4extended	249	Nakachi, Yusuke (1482)	Won 2-0	+181500
5extended	168	Bun, Takutoshi (1500)	Won 2-0	+181518
6extended	145	Oba, Yoshimitsu (1515)	Lost 1-2	-181500
top		average opponent: 1502record: 3-3	new rating: 1500