Grand Prix Hiroshima 2006 (CSP limited)			starting rating: 1434
round	table	opponent (rating)	result	Δrating
1sealed	123	Kamei, Toru (1291)	Lost 1-2	-211413
2sealed	136	Takanashi, Kouji (1482)	Lost 0-2	-171396
3sealed	171	Imamura, Taichirou (1492)	Lost 0-2	-161380
top		average opponent: 1422record: 0-3	new rating: 1380

Grand Prix Kitakyushu 2005 (extended)			starting rating: 1470
round	table	opponent (rating)	result	Δrating
1extended	3	Ootsu, Ryou (1500)	Won 2-0	+191489
2extended	22	Yamane, Masahiro (1472)	Lost 1-2	-181471
3extended	76	Fujita, Yoshiaki (1501)	Lost 0-2	-181453
4extended	107	Yamasaki, Sadaharu (1374)	Lost 0-2	-191434
top		average opponent: 1462record: 1-3	new rating: 1434

Grand Prix Niigata 2005 (Kamigawa block)			starting rating: 1461
round	table	opponent (rating)	result	Δrating
1block	113	Tanabe, Kazuya (1350)	Won 1-0	+161477
2block	60	Yamakawa, Hiroyuki (1507)	Won 2-0	+181495
3block	10	Ishihara, Takashi (1671)	Won 2-1	+211516
4block	28	Harada, Satoshi (1699)	Lost 0-2	-141502
5block	94	Yanagi, Hiroki (1676)	Lost 0-2	-151487
6block	97	Kaida, Hiroshi (1578)	Lost 0-2	-171470
top		average opponent: 1580record: 3-3	new rating: 1470

Grand Prix Yokohama 2004 (COK limited)			starting rating: 1495
round	table	opponent (rating)	result	Δrating
1sealed	24	Takahashi, Yuu (1500)	Lost 0-2	-181477
2sealed	229	Yamazaki, Tatsuya (1481)	Won 2-1	+181495
3sealed	245	Yoshikawa, Hiroshi (1521)	Lost 0-2	-171478
4sealed	268	Kawamura, Akihiro (1519)	Lost 0-2	-171461
top		average opponent: 1505record: 1-3	new rating: 1461

Grand Prix Nagoya 2004 (5DN standard)			starting rating: 1419
round	table	opponent (rating)	result	Δrating
1standard	8	Okuyama, Tatsunori (1498)	Won 2-1	+201439
2standard	4	Fujimoto, Tomoya (1550)	Won 2-0	+201459
3standard	59	Senou, Yoshiyuki (1590)	Lost 0-2	-161443
4standard	172	Gotou, Hiroaki (1487)	Won 2-0	+191462
5standard	172	Okada, Wataru (1509)	Won 2-0	+191481
6standard	85	Terasawa, Kazuya (1772)	Won 2-0	+231504
7standard	72	Takahama, Norimasa (1523)	Won 2-1	+181522
8standard	25	Ishida, Itaru (1894)	Lost 0-2	-111511
9standard	51	Tsuchiya, Heinrich (1635)	Lost 1-2	-161495
top		average opponent: 1606record: 6-3	new rating: 1495

Grand Prix Okayama 2004 (extended)			starting rating: 1430
round	table	opponent (rating)	result	Δrating
1extended	39	Yamanishi, Mamoru (1578)	Lost 1-2	-151415
2extended	146	Takei, Taiki (1482)	Won 2-0	+191434
3extended	123	Wakuda, Hiroyasu (1493)	Won 2-0	+191453
4extended	64	Sugama, Hideichi (1526)	Lost 1-2	-171436
5extended	150	Yamane, Masahiro (1502)	Lost 1-2	-171419
top		average opponent: 1516record: 2-3	new rating: 1419

Grand Prix Hiroshima 2003 (extended)			starting rating: 1483
round	table	opponent (rating)	result	Δrating
1extended	117	Kito, Takeshi (1517)	Lost 0-2	-171466
2extended	155	Komura, Nobuhiro (1482)	Lost 0-2	-181448
3extended	180	Masamura, Ayumu (1451)	Lost 1-2	-181430
top		average opponent: 1484record: 0-3	new rating: 1430

Grand Prix Sapporo 2002 (Odyssey block)			starting rating: 1460
round	table	opponent (rating)	result	Δrating
1block	87	Yamazaki, Shun (1500)	Lost 0-2	-171443
2block	177	Suzuki, Kenichi (1482)	Won 2-1	+181461
3block	95	Koeda, Satoru (1501)	Won 2-0	+191480
4block	81	Oishi, Shinji (1485)	Won 2-1	+181498
5block	83	Kunugi, Ryou (1537)	Won 2-1	+191517
6block	54	Nakamura, Tomoya (1598)	Lost 0-2	-171500
7block	50	Asada, Tomohiro (1536)	Lost 0-2	-171483
top		average opponent: 1520record: 4-3	new rating: 1483

Grand Prix Sendai 2001 (extended)			starting rating: 1433
round	table	opponent (rating)	result	Δrating
1extended	42	Goto, Yuta (1500)	Won 2-0	+191452
2extended	17	Yagi, Akira (1512)	Won 2-0	+191471
3extended	64	Yamakawa, Youichirou (1564)	Lost 0-2	-161455
4extended	111	Osaki, Motohiro (1505)	Won 2-0	+191474
5extended	79	Ikeda, Tsuyoshi (1560)	Lost 0-2	-171457
6extended	71	Hase, Akira (1467)	Lost 0-2	-171440
7extended	108	Goto, Takashi (1530)	Won 2-0	+191459
8extended	72	Yasufuku, Akihiro (1488)	Draw 1-1	+11460
top		average opponent: 1516record: 4-3-1	new rating: 1460

Grand Prix Kobe 2001 (Invasion block)			starting rating: 1464
round	table	opponent (rating)	result	Δrating
1block	73	Fukushima, Yoshiki (1500)	Won 2-0	+181482
2block	39	Oda, Katsumi (1518)	Won 2-1	+191501
3block	190	Kodani, Ryousuke (1518)	Lost 1-2	-181483
4block	354	Higaki, Takao (1676)	Lost 0-2	-141469
5block	358	Suematsu, Masataka (1449)	Won 2-1	+171486
6block	232	Yamasaki, Kishun (1517)	Lost 0-2	-171469
7block	312	Suga, Takeichi (1439)	Lost 0-2	-191450
8block	284	Matsumoto, Kenji (1480)	Lost 0-2	-171433
top		average opponent: 1512record: 3-5	new rating: 1433

Grand Prix Kyoto 2000 (extended)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1extended	105	Taniyama, Shunsuke (1500)	Won 2-0	+181518
2extended	137	Yakushiji, Shin (1500)	Lost 1-2	-181500
3extended	230	Nozaki, Taiki (1500)	Lost 0-2	-181482
4extended	299	Hisaki, Yuu (1481)	Won 2-1	+181500
5extended	247	Akemitsu, Hiroaki (1501)	Lost 1-2	-181482
6extended	228	Nishioka, Junichiro (1482)	Won 2-0	+181500
7extended	154	Sato, Mitsunori (1499)	Lost 0-2	-181482
8extended	177	Tanaka, Fumito (1482)	Lost 1-2	-181464
top		average opponent: 1493record: 3-5	new rating: 1464