Calvin Blocker

USA · 71 yrs · K=10 · Peak 2395 (By Jan 2001)

Best performance: 2515 at Cleveland Masters(Best of 2007)

OCT26 Rating

2311

Live Rating

2311.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Official classical rating by month

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	The 2025 Cardinal Open - EliteJan 24, 2025 – Jan 26, 2025TPR 2014	3/5	2014

The live rating moves only when new rated games are played. Until then it matches the published rating.

12 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

The 2025 Cardinal Open - Elite2014
Jan 2025Swissfederation source
Best of 2025Score 3/5Opp avg 1942Start 2323
4th Annual Joe Yun Memorial - Elite1977
Jul 2024Swissfederation source
Best of 2024Score 2½/5Opp avg 1977Start 2342
2021 Ohio Chess Congress2053
Sep 2021Swissfederation source
Best of 2021Score 3/5Opp avg 1981Start 2355
2019 Ohio Chess Congress2160
Aug – Sep 2019Swissfederation source
Best of 2019Score 2/4Opp avg 2035Start 2360
Dayton Masters2284
Jul 2015Round robinfederation source
Best of 2015Score 2½/9Opp avg 2450Start 2370
69th Ohio Chess Congress2250
Aug – Sep 2013Swissfederation source
Best of 2013Score 4½/6Opp avg 2101Start 2373
68th Ohio Chess Congress2302
Sep 2012Swissfederation source
Best of 2012Score 4/6Opp avg 2177Start 2378
64th Annual Ohio Chess Congress2485
Aug – Sep 2008Swissfederation source
Best of 2008Score 5/6Opp avg 2245Start 2372
Cleveland Open—(2)
Jun 2008Swissfederation source
Score 2/3Opp avg 2319Start 2372
Cleveland Masters2515
Jul 2007Swissfederation source
Best of 2007Score 3½/5Opp avg 2242Start 2391
35th Annual World Open Open Section1355
Jun 2007Swissfederation source
Score 0/4Opp avg 2155Start 2386
The Ohio Masters—(2)
May 2007Swissfederation source
Score 5/5Opp avg 2211Start 2386

Live ratings projected from the OCT26 published list · Not affiliated with FIDE