Grand Prix Nagoya 2004 (5DN standard)			starting rating: 1389
round	table	opponent (rating)	result	Δrating
1standard	72	Kaida, Hiroshi (1500)	Lost 1-2	-161373
2standard	311	Ono, Kouichi (1483)	Won 2-0	+201393
3standard	356	Miyazaki, Keita (1500)	Won 2-0	+201413
4standard	204	Ishihara, Ken (1519)	Lost 0-2	-161397
top		average opponent: 1500record: 2-2	new rating: 1397

Grand Prix Okayama 2004 (extended)			starting rating: 1393
round	table	opponent (rating)	result	Δrating
1extended	76	Katou, Masanari (1525)	Won 2-0	+201413
2extended	82	Okita, Kenichiro (1547)	Lost 0-2	-151398
3extended	101	Tanaka, Yoshinori (1484)	Draw 1-1	+11399
4extended	129	Yamanaka, Toshihisa (1530)	Lost 0-1	-151384
5extended	152	Inanaga, Nobuyuki (1470)	Won 2-1	+191403
6extended	123	Kobashi, Motoki (1481)	Lost 0-1	-161387
7extended	111	Noyama, Kouji (1483)	Lost 0-2	-171370
8extended	100	Shiba, Norihito (1418)	Won 2-0	+191389
top		average opponent: 1492record: 3-4-1	new rating: 1389

Grand Prix Hiroshima 2003 (extended)			starting rating: 1404
round	table	opponent (rating)	result	Δrating
1extended	9	Ohige, Tatsuya (1447)	Draw 1-1	01404
2extended	99	Mizuno, Akimitsu (1466)	Lost 0-2	-161388
3extended	152	Nonaka, Masafumi (1495)	Draw 1-1	+21390
4extended	179	Yamamoto, Takumi (1465)	Lost 0-1	-171373
5extended	176	Sugihara, Keiichi (1477)	Won 2-0	+201393
top		average opponent: 1470record: 1-2-2	new rating: 1393

Grand Prix Sapporo 2002 (Odyssey block)			starting rating: 1413
round	table	opponent (rating)	result	Δrating
1block	80	Kamifuji, Kenichi (1500)	Lost 0-2	-161397
2block	185	Iwabuchi, Kazuho (1481)	Won 2-0	+191416
3block	120	Takahashi, Manabu (1500)	Won 2-0	+201436
4block	98	Kanetaka, Yujiro (1518)	Lost 0-2	-171419
5block	155	Yoshikawa, Yuusuke (1543)	Lost 0-2	-151404
top		average opponent: 1508record: 2-3	new rating: 1404

Grand Prix Kobe 2001 (Invasion block)			starting rating: 1420
round	table	opponent (rating)	result	Δrating
1block	145	Takahashi, Satoshi 2 (1484)	Lost 0-2	-171403
2block	540	Sonoi, Kensuke (1482)	Won 2-0	+191422
3block	354	Sugioka, Yuta (1500)	Won 2-1	+201442
4block	343	Katsu, Masahiro (1520)	Lost 1-2	-171425
5block	332	Nomoto, Kentaro (1500)	Won 2-1	+191444
6block	191	Sakamoto, Kikutaro (1518)	Lost 1-2	-161428
7block	276	Muranaka, Nobutoshi (1500)	Lost 1-2	-171411
8block	271	Enoki, Kiyoyuki (1482)	Won 2-1	+191430
9block	215	Morisaki, Nobuki (1484)	Lost 1-2	-171413
top		average opponent: 1497record: 4-5	new rating: 1413

Grand Prix Hiroshima 2001 (INV limited)			starting rating: 1428
round	table	opponent (rating)	result	Δrating
1sealed	155	Fuma, Masaharu (1475)	Lost 1-2	-171411
2sealed	149	Kobayashi, Yasushi (1483)	Lost 0-2	-171394
3sealed	183	Miyahara, Naoaki (1464)	Won 2-0	+191413
4sealed	181	Ishibashi, Yoshiro (1483)	Won 2-0	+201433
5sealed	106	Arai, Junko (1530)	Lost 0-2	-171416
6sealed	120	Biwaki, Toshiaki (1528)	Lost 0-2	-161400
7sealed	120	Miyahara, Hiroshi (1462)	Won 2-0	+201420
top		average opponent: 1489record: 3-4	new rating: 1420

Grand Prix Kyoto 2000 (extended)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1extended	116	Sasaya, Seisaku (1500)	Lost 0-2	-181482
2extended	264	Niwa, Takeshi (1482)	Lost 1-2	-181464
3extended	333	Miyamoto, Keisuke (1464)	Won 2-0	+181482
4extended	279	Heima, Yasutaka (1482)	Won 2-0	+181500
5extended	231	Morinaga, Teppei (1500)	Lost 0-2	-181482
6extended	240	Sugiyama, Hironori (1481)	Lost 0-2	-181464
7extended	203	Nakanishi, Kazuo (1464)	Lost 0-2	-181446
8extended	194	Oyama, Takeo (1446)	Lost 1-2	-181428
top		average opponent: 1477record: 2-6	new rating: 1428