Grand Prix Kitakyushu 2009 (ZEN limited)			starting rating: 1449
round	table	opponent (rating)	result	Δrating
1sealed	89	Kawasaki, Shingo (1443)	Won 2-0	+181467
2sealed	114	Sutou, Takuo (1657)	Lost 0-2	-141453
3sealed	124	Takasaki, Yuichi (1568)	Lost 0-2	-161437
4sealed	170	Omori, Ken'ichirou (1520)	Won 2-0	+191456
top		average opponent: 1547record: 2-2	new rating: 1456

Grand Prix Kitakyushu 2007 (LRW limited)			starting rating: 1460
round	table	opponent (rating)	result	Δrating
1sealed	103	Sakamoto, Sakito (1493)	Lost 0-2	-171443
2sealed	133	Fujimoto, Taichi (1638)	Won 2-1	+211464
3sealed	88	Kadooka, Toshiyuki (1630)	Lost 0-2	-151449
top		average opponent: 1587record: 1-2	new rating: 1449

Grand Prix Niigata 2005 (Kamigawa block)			starting rating: 1480
round	table	opponent (rating)	result	Δrating
1block	30	Hirokawa, Tatsuya (1500)	Lost 1-2	-181462
2block	146	Nishizawa, Yasuhide (1482)	Won 2-1	+191481
3block	158	Mikami, Iesato (1340)	Lost 1-2	-211460
top		average opponent: 1441record: 1-2	new rating: 1460

Grand Prix Nagoya 2004 (5DN standard)			starting rating: 1460
round	table	opponent (rating)	result	Δrating
1standard	19	Nishitani, Yasunobu (1500)	Won 2-0	+191479
2standard	3	Okano, Tetsuya (1500)	Lost 0-2	-171462
3standard	221	Nagase, Shougo (1446)	Lost 0-2	-191443
4standard	329	Takahashi, Katsuhiko (1449)	Won 2-1	+181461
5standard	231	Kou, Nobuaki (1493)	Won 2-1	+191480
top		average opponent: 1478record: 3-2	new rating: 1480

Grand Prix Yokohama 2003 (Onslaught block)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1block	50	Matsubara, Shingo (1500)	Lost 1-2	-181482
2block	257	Ishiduka, Hazime (1482)	Won 2-0	+181500
3block	308	Kobashi, Motoki (1486)	Won 2-1	+181518
4block	168	Date, Tsutomu (1522)	Lost 0-2	-181500
5block	213	Yoshida, Mitsutaka (1309)	Lost 1-2	-221478
6block	250	Wada, Tomohiro (1482)	Lost 0-2	-181460
top		average opponent: 1464record: 2-4	new rating: 1460