Grand Prix Kitakyushu 2013 (M14 standard)			starting rating: 1377
round	table	opponent (rating)	result	Δrating
1standard	195	Kawashima, Tatsuya (1500)	Lost 0-2	-161361
2standard	420	Endo, Takuya (1433)	Won 2-0	+191380
3standard	384	Nishiguchi, Hajime (1438)	Lost 0-2	-171363
4standard	475	Kawasaki, Takeshi (1487)	Lost 0-2	-151348
5standard	510	Shimizu, Yousuke (1582)	Lost 1-2	-141334
top		average opponent: 1488record: 1-4	new rating: 1334

Grand Prix Nagoya 2004 (5DN standard)			starting rating: 1380
round	table	opponent (rating)	result	Δrating
1standard	139	Hisaki, Yuu (1514)	Lost 0-2	-161364
2standard	305	Tanaka, Masayuki (1482)	Won 2-0	+201384
3standard	347	Konishi, Hideaki (1464)	Won 2-1	+201404
4standard	202	Nakazawa, Kazuhiro (1567)	Lost 0-1	-151389
5standard	339	Toyama, Masayuki (1501)	Lost 1-2	-161373
6standard	286	Kuraoka, Satoshi (1478)	Won 2-1	+201393
7standard	243	Yamazaki, Ginjiro (1499)	Lost 1-2	-161377
top		average opponent: 1501record: 3-4	new rating: 1377

Grand Prix Okayama 2004 (extended)			starting rating: 1447
round	table	opponent (rating)	result	Δrating
1extended	15	Yamada, Yasuo (1487)	Lost 0-2	-181429
2extended	129	Isomoto, Hirofumi (1586)	Lost 0-2	-151414
3extended	165	Yagi, Naoki (1464)	Lost 0-2	-171397
4extended	181	Kikuchi, Osamu (1436)	Lost 0-2	-171380
top		average opponent: 1493record: 0-4	new rating: 1380

Grand Prix Sendai 2001 (extended)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1extended	114	Arai, Jin (1535)	Won 2-0	+191519
2extended	39	Suzuki, Takayuki (1519)	Lost 0-2	-181501
3extended	96	Seki, Yutaka (1504)	Lost 0-2	-181483
4extended	152	Mitsui, Hideo (1482)	Lost 0-2	-181465
5extended	179	Nara, Ryuji (1463)	Lost 0-2	-181447
top		average opponent: 1501record: 1-4	new rating: 1447

Grand Prix Kobe 2001 (Invasion block)			starting rating: 1500
round	table	opponent (rating)	result	Δrating
1block	295	Hirota, Ginjiro (1500)	Won 2-0	+181518
2block	217	Noguchi, Masami (1517)	Lost 0-2	-181500
top		average opponent: 1509record: 1-1	new rating: 1500