Grand Prix Yokohama 2012 (modern)			starting rating: 1589
round	table	opponent (rating)	result	Δrating
1modern	249	Kurata, Shintaro (1500)	Lost 1-2	-201569
2modern	544	Sumikawa, Daiki (1482)	Won 2-0	+171586
3modern	439	Nakaoka, Koshiro (1480)	Won 2-0	+161602
4modern	338	Iwao, Takashi (1505)	Won 2-1	+161618
5modern	181	Sasamoto, Yuko (1473)	Lost 1-2	-211597
6modern	427	Ichige, Masato (1518)	Won 2-0	+171614
7modern	155	Oiso, Masashi (2013)	Lost 1-2	-111603
8modern	264	Terasawa, Kazuya (1739)	Lost 1-2	-161587
top		average opponent: 1589record: 4-4	new rating: 1587

Grand Prix Kobe 2011 (extended)			starting rating: 1536
round	table	opponent (rating)	result	Δrating
1extended	11	A., Keisuke (1500)	Lost 1-2	-191517
2extended	214	Matsumoto, Fumiya (1607)	Lost 1-2	-161501
3extended	294	I., Masahiro (1466)	Won 2-0	+171518
4extended	302	Tamura, Yasuo (1461)	Won 2-0	+171535
5extended	182	Kawaguchi, Akira (1530)	Won 2-0	+181553
6extended	161	U, Kashin (1436)	Won 2-1	+161569
7extended	100	Senba, Kotaro (1656)	Won 2-1	+191588
8extended	71	Akita, Naoto (1661)	Won 2-0	+201608
9extended	68	Itou, Kouei (1560)	Lost 0-2	-191589
top		average opponent: 1542record: 6-3	new rating: 1589

Grand Prix Yokohama 2010 (extended)			starting rating: 1519
round	table	opponent (rating)	result	Δrating
1extended	161	Sekino, Masato (1500)	Draw 1-1	01519
2extended	273	Fujii, Shuuhei (1534)	Lost 0-2	-181501
3extended	385	Yanagisawa, Keiji (1483)	Won 2-0	+171518
4extended	319	Washimi, Kazuo (1489)	Won 2-0	+181536
5extended	218	Hirabayashi, Yuuki (1515)	Draw 1-1	01536
top		average opponent: 1504record: 2-1-2	new rating: 1536

Grand Prix Yokohama 2004 (COK limited)			starting rating: 1498
round	table	opponent (rating)	result	Δrating
1sealed	62	Goto, Takahiro (1431)	Won 2-0	+171515
2sealed	150	Suzuki, Masatsuna (1694)	Lost 1-2	-151500
3sealed	143	Igarashi, Jun (1500)	Won 2-0	+181518
4sealed	123	Okazaki, Yoshihiko (1521)	Won 2-0	+181536
5sealed	83	Harada, Hiroaki (1519)	Won 2-0	+181554
6sealed	26	Takasaki, Yuichi (1613)	Lost 1-2	-171537
7sealed	62	Kishigami, Osamu (1518)	Lost 0-2	-181519
top		average opponent: 1542record: 4-3	new rating: 1519

Grand Prix Nagoya 2004 (5DN standard)			starting rating: 1517
round	table	opponent (rating)	result	Δrating
1standard	164	Ura, Tsuyoshi (1578)	Won 2-1	+201537
2standard	165	Suzuki, Yoichi (1518)	Won 2-1	+171554
3standard	127	Koide, Masaru (1536)	Lost 0-2	-181536
4standard	198	Shiba, Norihito (1422)	Lost 1-2	-201516
5standard	277	Yagura, Hisayoshi (1549)	Lost 1-2	-181498
top		average opponent: 1521record: 2-3	new rating: 1498

Grand Prix Sendai 2004 (DST limited)			starting rating: 1517
round	table	opponent (rating)	result	Δrating
1sealed	146	Shimizu, Sho (1500)	Won 2-1	+181535
2sealed	36	Ikeda, Eiji (1518)	Lost 1-2	-181517
3sealed	169	Harada, Yoshio (1460)	Won 2-1	+171534
4sealed	138	Fujihira, Taro (1598)	Lost 0-2	-171517
5sealed	117	Endo, Tadashi (1433)	Won 2-0	+161533
6sealed	111	Fuma, Masaharu (1650)	Lost 0-2	-161517
top		average opponent: 1526record: 3-3	new rating: 1517

Grand Prix Yokohama 2003 (Onslaught block)			starting rating: 1555
round	table	opponent (rating)	result	Δrating
1block	78	Hashimoto, Yuu(Ibaraki) (1500)	Lost 1-2	-191536
2block	255	Minamide, Hiroki (1499)	Lost 0-2	-191517
top		average opponent: 1500record: 0-2	new rating: 1517

Grand Prix Utsunomiya 2002 (ONS rochester)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1sealed	113	Komai, Taisuke (1447)	Draw 1-1	-11499
2sealed	186	Tomita, Kayoko (1450)	Won 2-0	+171516
3sealed	104	Okada, Kou (1584)	Lost 0-2	-171499
4sealed	183	Tsunokawa, Yoshikazu (1452)	Won 2-1	+171516
5sealed	118	Taya, Hiroyuki (1516)	Won 2-0	+181534
6sealed	76	Miyabe, Kouichi (1537)	Lost 1-2	-171517
7sealed	112	Koyama, Yuki(Yokohama) (1513)	Won 2-0	+171534
8sealed	35	Kimoto, Kenji (1676)	Won 2-0	+211555
top		average opponent: 1522record: 5-2-1	new rating: 1555