Grand Prix Kobe 2009 (extended)			starting rating: 1321
round	table	opponent (rating)	result	Δrating
1extended	145	Nakamura, Toshiki (1519)	Lost 0-2	-141307
2extended	155	Tachibana, Shinichiro (1450)	Won 2-0	+201327
3extended	188	Sugawara, Hisashi (1465)	Won 2-0	+211348
4extended	101	Kawakami, Kazuto (1661)	Won 2-1	+231371
5extended	92	Oonishi, Tatsuya (1478)	Lost 1-2	-161355
6extended	151	Hirata, Minoru (1593)	Lost 1-2	-141341
top		average opponent: 1528record: 3-3	new rating: 1341

Grand Prix Okayama 2008 (ALA limited)			starting rating: 1360
round	table	opponent (rating)	result	Δrating
1sealed	293	Shigehara, Akinori (1382)	Won 0-0	+191379
2sealed	160	Yuba, Hirofumi (1517)	Lost 0-2	-161363
3sealed	131	Shimada, Hiroya (1574)	Lost 0-2	-141349
4sealed	212	Kato, Kazuyuki (1483)	Lost 1-2	-161333
5sealed	223	Nomura, Eiji (1649)	Lost 0-2	-121321
top		average opponent: 1521record: 1-4	new rating: 1321

Grand Prix Nagoya 2004 (5DN standard)			starting rating: 1393
round	table	opponent (rating)	result	Δrating
1standard	102	Yamada, Keiichi (1386)	Draw 1-1	01393
2standard	248	Adachi, Takeshi (1500)	Lost 0-2	-171376
3standard	365	Mori, Takashi 2 (1481)	Lost 0-2	-161360
top		average opponent: 1456record: 0-2-1	new rating: 1360

Grand Prix Hiroshima 2003 (extended)			starting rating: 1463
round	table	opponent (rating)	result	Δrating
1extended	24	Kamimura, Akihiro (1500)	Lost 0-1	-181445
2extended	159	Isoda, Yusuke (1447)	Lost 0-2	-181427
3extended	174	Ishihara, Kosuke (1465)	Lost 1-2	-171410
4extended	184	Yabuguchi, Youhei (1446)	Lost 0-1	-171393
top		average opponent: 1465record: 0-4	new rating: 1393

Grand Prix Utsunomiya 2002 (ONS rochester)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1sealed	211	Nagano, Munehisa (1435)	Draw 1-1	-11499
2sealed	171	Chiba, Katsutoshi (1483)	Lost 0-2	-181481
3sealed	266	Mashiko, Shinsuke (1482)	Lost 0-2	-181463
top		average opponent: 1467record: 0-2-1	new rating: 1463