Kobayashi Masahiro

Kobayashi Masahiro (小林将宏) has a rating of 1448.

Retired. The rating shown is the rating at retirement.

Kobayashi Masahiro7 dan小林将宏Kansai Ki-in

Rating1448

Rank—

1-year change—

Peak rating—

Last 40-4

1979 record: 0-1
Record since 1927: 0-4
Win rate: .000

Rating at retirement (not included in the rating list)

The rating is calculated from published game results. It does not include any adjustment for playing Black.

Professional ratings Find a player

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
Date	Opponent and tournament	Result	Change
February 7, 1979	Kosugi MasaruKisei 6 dan Section　as White	Loss	↓17
February 15, 1978	Tokimoto HajimeKisei 6 dan Section　as White	Loss	↓14
April 25, 1973	Hashimoto UtaroFormer Meijin Preliminary　as White	Loss	↓5
April 9, 1965	Okuma ChikukoHayago Meijin Preliminary　as White	Loss	↓16

Head-to-head

Up to 10 opponents, most-played first. Records are from Kobayashi Masahiro's point of view; jigo and no-result games are not counted as wins or losses. Only games from 1927 onward are included.
Opponent	Total	As Black	As White
Tokimoto Hajime	0-1.000	0-0	0-1
Hashimoto Utaro	0-1.000	0-0	0-1
Okuma Chikuko	0-1.000	0-0	0-1
Kosugi Masaru	0-1.000	0-0	0-1

Record by year

Counted by calendar year, January to December (default wins and losses are included; jigo and no-result games are not). Only games from 1927 onward are counted, so these totals do not match the career records published by the two Ki-in.

Year	Record	Win rate
1979	0-1	.000
1978	0-1	.000
1973	0-1	.000
1965	0-1	.000
Total	0-4	.000

Calculated from games played between 1927 and 2026 (as of September 17, 2026).