Grand Prix Yokohama 2010 (extended)			starting rating: 1513
round	table	opponent (rating)	result	Δrating
1extended	275	Siritanaratkul, Bhavin (1500)	Won 2-0	+181531
2extended	43	Mizobuchi, Yuuji (1518)	Lost 0-2	-191512
3extended	269	Toyota, Hiroki (1438)	Lost 1-2	-191493
4extended	350	Yamauchi, Mari (1453)	Won 2-1	+171510
5extended	243	Saiki, Keisuke (1525)	Won 2-1	+191529
6extended	174	Takamizu, Tomohiro (1466)	Lost 1-2	-201509
top		average opponent: 1483record: 3-3	new rating: 1509

Grand Prix Kitakyushu 2009 (ZEN limited)			starting rating: 1448
round	table	opponent (rating)	result	Δrating
1sealed	112	Hiyoshi, Tatsuhiko (1500)	Lost 1-2	-171431
2sealed	157	Sato, Daisuke (1450)	Won 2-0	+181449
3sealed	169	Mino, Tetsuya (1607)	Won 2-1	+211470
4sealed	152	Umeno, Yoshihiro (1737)	Won 2-1	+231493
5sealed	79	Ishikawa, Masayo (1864)	Won 2-1	+241517
6sealed	68	Yanaseko, Kentarou (1581)	Won 2-0	+191536
7sealed	35	Morita, Masahiko (1970)	Won 2-1	+261562
8sealed	26	Wachi, Shinya (1609)	Lost 0-2	-171545
9draft	9	Matsuyama, Satoshi (1573)	Lost 0-2	-181527
11draft	29	Furutate, Mikihiko (1528)	Won 2-1	+181545
12draft	17	Koshiba, Norihiko (1596)	Lost 0-2	-171528
13draft	40	Kyo, Ifu (1682)	Lost 0-2	-151513
top		average opponent: 1641record: 7-5	new rating: 1513

Grand Prix Nagoya 2004 (5DN standard)			starting rating: 1460
round	table	opponent (rating)	result	Δrating
1standard	282	Tomita, Shuntarou (1622)	Lost 1-2	-151445
2standard	341	Sumii, Hiroyuki (1498)	Won 2-0	+191464
3standard	198	Nakada, Masahiro (1496)	Lost 1-2	-181446
4standard	384	Amayasu, Kazunori (1482)	Won 2-0	+191465
5standard	313	Midorikawa, Takashi (1503)	Draw 1-1	+11466
6standard	274	Imamura, Akihiro (1467)	Lost 0-2	-181448
top		average opponent: 1511record: 2-3-1	new rating: 1448

Grand Prix Okayama 2004 (extended)			starting rating: 1515
round	table	opponent (rating)	result	Δrating
1extended	51	Kai, Tsubasa (1428)	Lost 0-2	-191496
2extended	156	Noyama, Kouji (1484)	Lost 0-2	-181478
3extended	167	Sumii, Hiroyuki (1500)	Lost 1-2	-181460
top		average opponent: 1470record: 0-3	new rating: 1460

Grand Prix Hiroshima 2001 (INV limited)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1sealed	36	Kamei, Kazuhiko (1415)	Lost 1-2	-201480
2sealed	150	Kumagai, Hiroaki (1482)	Won 2-1	+181498
3sealed	79	Murata, Kazuaki (1500)	Lost 0-2	-171481
4sealed	173	Hayashi, Shigenobu (1482)	Won 2-0	+181499
5sealed	134	Wakabayashi, Kiyoshi (1484)	Won 2-1	+171516
6sealed	74	Nagamori, Yukio (1518)	Won 2-0	+181534
7sealed	57	Ando, Rage (1483)	Lost 0-2	-191515
top		average opponent: 1481record: 4-3	new rating: 1515