Dr. Joaquin Diaz

GER · 62 yrs · K=20 · Peak 2176 (May 2012)

Best performance: 2271 at Oberliga Ost Staffel B(Best of 2006)

World #=15277 live156#15,121 publishedGermany #=1733

NOV26 Rating

2105

Live Rating

2105.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Nov 2026	2105	0
Oct 2026	2105	0
Sep 2026	2105	0
Aug 2026	2105	0
Jul 2026	2105	0
Jun 2026	2105	0
May 2026	2105	0
Apr 2026	2105	0
Mar 2026	2105	0
Feb 2026	2105	-30
Jan 2026	2135	0
Dec 2025	2135	0

Form · Classical

oldest → latest

Unbeaten in the last 5 games (2 wins, 3 draws), since Dec 28, 2025.

From 56 classical games on record, the latest on Dec 30, 2025.

Classical games since the November list

No rated standard games this rating periodsince the NOV26 list (Nov 1, 2026)

	Last played	Score	TPR
	22. Bad-Koenigshofen-Open 2025Dec 27, 2025 – Dec 30, 2025TPR 1912	3½/6	1912

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

Best wins · Classical

From 51 rated classical games against rated opponents, 2006–2025

#	Opponent	Rating
1,	Karsten Schuh, Mannschaftsmeisterschaft 2.Bundesliga Sued, Jan 2012	, 2238
2,	Dr. Bernhard Seehaus, Hessen Verbandsliga Sued, Sep 2008	, 2142
3,	Jens Haertig, Oberliga Ost B 2018/2019 February 2019, Feb 2019	, 2130
4,	Dr. Peter Kopp, Oberliga Ost Gruppe B, Oct 2008	, 2127
5,	WFM Kristin Mueller-Ludwig, Oberliga Ost Staffel B, Oct 2006	, 2077
6,	Dr. Peter Rohs, Oberliga Ost Staffel B, Oct 2006	, 2054
7,	Stefan Berger, 5.Griesheimer Schachtage, May 2009	, 2045
8,	Manfred Fussnecker, Verbandslige Sued, Jan 2007	, 2025
9,	Frank Rosenberger, Oberliga Ost B 2019/2020 December 2019, Dec 2019	, 2022
10,	GM Alexander Donchenko, 5.Griesheimer Schachtage, May 2009	, 1984

#	Opponent	Score	Rating
1,	GM Zhaoqin Peng, 2.Bundesliga West 2007/08, Oct 2007	, 0/1	, 2429
2,	GM Miklos Galyas, 1.Schachbundesliga 2012/2013, Mar 2013	, 0/1	, 2423
3,	IM Arno Zude, 2. Bundesliga Sued 2014/15 rounds 6 - 7, Feb 2015	, 0/1	, 2376
4,	IM Sarah Papp, 1. Bundesliga 2013/14 rounds 5 and 6, Dec 2013	, 0/1	, 2330
5,	FM Alexander Postoev-Birkenberg, 1.Schachbundesliga 2012/2013, Feb 2013	, 0/1	, 2310
6,	FM Dan Florea, Mannschaftsmeisterschaft 2.Bundesliga Sued, Apr 2012	, ½/1	, 2304
7,	FM Oliver Uwira, Hessen Verbandsliga Sued, Sep 2008	, 0/1	, 2302
8,	FM Laszlo Pergel, 2.Bundesliga Sued, Oct 2009	, ½/1	, 2301
9,	Joerg Kienast, 2. Bundesliga Sued 2014/15 round 8, Mar 2015	, 1/2	, 2262
10,	Karsten Schuh, Mannschaftsmeisterschaft 2.Bundesliga Sued, Jan 2012	, 1/1	, 2238

Openings · Classical

From the moves of 6 of 56 classical games on record.

As WhiteOpens 1.e4 in 3 of 3 games.

All openings

No opening played 3 times yet (3 games with this colour).

Event timeline · Classical

23 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.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2025	6	3½	1855	1912
2022	4	1½	2093	2006
2021	1	½	2174	—
2020	1	½	1998	—
2019	5	3	2110	2182
2018	1	0	2126	—
2015	3	1	2234	2109
2012	3	2	2236	2361
2008	8	4	2159	2159

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

22. Bad-Koenigshofen-Open 20251912
Dec 2025Swissfederation source
Best of 2025Score 3½/6Opp avg 1855Start 2135
Oberliga Ost B 2021/2022 July 2022—(1)
Jul 2022Teamfederation source
Score ½/1Opp avg 2084Start 2136
Oberliga Ost B 2021/2022 May 2022—(1)
May 2022Teamfederation source
Score 0/1Opp avg 2040Start 2149
Oberliga Ost B 2021/2022 March 2022—(2)
Mar 2022Teamfederation source
Score 1/2Opp avg 2124Start 2151
Oberliga Ost B 2021/2022 October 2021—(1)
Oct 2021Teamfederation source
Score ½/1Opp avg 2174Start 2150
Oberliga Ost B 2019/2020 September 2021—(0)
Sep 2021Teamfederation source
Score 0/1Start 2150
Oberliga Ost B 2019/2020 January 2020—(1)
Jan 2020Teamfederation source
Score ½/1Opp avg 1998Start 2154
Oberliga Ost B 2019/2020 December 2019—(1)
Dec 2019Teamfederation source
Score 1/1Opp avg 2022Start 2147
Oberliga Ost B 2018/2019 April 2019—(2)
Apr 2019Teamfederation source
Score 1/2Opp avg 2095Start 2150
Oberliga Ost B 2018/2019 February 2019—(2)
Feb 2019Teamfederation source
Score 1/2Opp avg 2169Start 2149
Oberliga Ost B 2018/2019 October 2018—(1)
Oct 2018Teamfederation source
Score 0/1Opp avg 2126Start 2160
2. Bundesliga Sued 2014/15 round 8—(1)
Mar 2015Teamfederation source
Score ½/1Opp avg 2262Start 2157
2. Bundesliga Sued 2014/15 rounds 6 - 7—(2)
Feb 2015Teamfederation source
Score ½/2Opp avg 2220Start 2164
1. Bundesliga 2013/14 rounds 5 and 6—(1)
Dec 2013Teamfederation source
Score 0/1Opp avg 2330Start 2168
1.Schachbundesliga 2012/20132026
Oct 2012 – Apr 2013Teamfederation source
Best of 2013Score ½/3Opp avg 2299Start 2176
Mannschaftsmeisterschaft 2.Bundesliga Sued—(2)
Oct 2011 – Apr 2012Teamfederation source
Score 1½/2Opp avg 2271Start 2164
2.Bundesliga Sued—(2)
Oct 2009Teamfederation source
Score 1/2Opp avg 2187Start 2163
5.Griesheimer Schachtage2162
May 2009Swissfederation source
Best of 2009Score 3½/5Opp avg 2013Start 2162
Oberliga Ost Gruppe B—(2)
Oct 2008Teamfederation source
Score 2/3Opp avg 2104Start 2162
Hessen Verbandsliga Sued2121
Sep 2008Teamfederation source
Best of 2008Score 3/7Opp avg 2178Start 2162
2.Bundesliga West 2007/08—(2)
Oct 2007Teamfederation source
Score ½/2Opp avg 2334Start 2163
Verbandslige Sued—(2)
Sep 2006 – Mar 2007Teamfederation source
Score 3½/5Opp avg 2059Start 2120
Oberliga Ost Staffel B2271
Oct 2006Teamfederation source
Best of 2006Score 3½/5Opp avg 2122Start 2146

Rated near Dr. Joaquin Diaz · Classical

World

#=15277Dirk Thomaschke2105.0
#=15277Dr. Michael Negele2105.0
#=15277Dr. Joaquin Diaz2105.0
#=15277Dr. Erich Flach2105.0
#=15277CM Christian Jordan2105.0

Germany

#=1733Dirk Thomaschke2105.0
#=1733Dr. Michael Negele2105.0
#=1733Dr. Joaquin Diaz2105.0
#=1733Dr. Erich Flach2105.0
#=1733CM Christian Jordan2105.0

Live ratings projected from the NOV26 published list · Not affiliated with FIDE