Sergey Ionov

RUS · 64 yrs · K=10 · Peak 2559 (May 2011)

Best performance: 2711 at RUS Chmp. 2011 Team Men(Best of 2011)

OCT26 Rating

2502

Live Rating

2502.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Oct 2026	2502	0
Sep 2026	2502	0
Aug 2026	2502	0
Jul 2026	2502	0
Jun 2026	2502	0
May 2026	2502	0
Apr 2026	2502	0
Mar 2026	2502	0
Feb 2026	2502	0
Jan 2026	2502	0
Dec 2025	2502	0
Nov 2025	2502	0

Classical games since the October list

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

	Last played	Score	TPR
	Senior Men Russian Championship 2022_HLSep 24, 2022 – Oct 2, 2022TPR 2407	5½/9	2407

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

Event timeline · Classical

24 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.

Senior Men Russian Championship 2022_HL2407
Sep – Oct 2022Swissfederation source
Best of 2022Score 5½/9Opp avg 2327Start 2513
Rilton Cup 2019 20202453
Dec 2019 – Jan 2020Swissfederation source
Best of 2020Score 5½/9Opp avg 2373Start 2521
Team men PL chess final 20192419
May 2019Teamfederation source
Best of 2019Score 2/6Opp avg 2544Start 2530
2017 World Senior Team Championships open 50 plus2404
Apr – May 2017Teamfederation source
Best of 2017Score 6½/9Opp avg 2238Start 2535
21 russian championship(male teams) 20142488
Apr 2014Teamfederation source
Best of 2014Score 2½/5Opp avg 2488Start 2538
20 russian championship(male teams)2496
Apr 2013Teamfederation source
Best of 2013Score 2/4Opp avg 2496Start 2540
M.Chigorin Memorial 20122432
Oct – Nov 2012Swissfederation source
#2 in 2012Score 6/9Opp avg 2307Start 2550
RUS Team Chmp. 2012 Men2566
Apr 2012Teamfederation source
Best of 2012Score 2/4Opp avg 2566Start 2549
M.Chigorin Memorial 2011 Open2594
Oct 2011Swissfederation source
#2 in 2011Score 6½/9Opp avg 2428Start 2540
84th Men’s Champ. St. Petersburg2427
May 2011Round robinfederation source
#3 in 2011Score 5/11Opp avg 2463Start 2559
RUS Chmp. 2011 Team Men2711
Apr 2011Teamfederation source
Best of 2011Score 5½/8Opp avg 2570Start 2541
83. St.Petersburg Chmp. 20102533
May 2010Round robinfederation source
#2 in 2010Score 5½/11Opp avg 2533Start 2542
17. RUS Club Cup 2010 Premier League2473
Apr 2010Teamfederation source
#3 in 2010Score 2/6Opp avg 2598Start 2548
Rilton Cup 2009/20102567
Dec 2009 – Jan 2010Swissfederation source
Best of 2010Score 6/9Opp avg 2442Start 2545
M.Chigorin Memorial 20092463
Oct 2009Swissfederation source
#2 in 2009Score 5½/9Opp avg 2383Start 2554
16. RUS Club Cup 2009 Premier League2711
Apr 2009Teamfederation source
Best of 2009Score 3½/7Opp avg 2711Start 2538
M.Chigorin Memorial 2008 open2481
Oct 2008Swissfederation source
#2 in 2008Score 6½/9Opp avg 2315Start 2543
RUS Club Chmp. 2008 HL2636
Apr 2008Teamfederation source
Best of 2008Score 5½/9Opp avg 2556Start 2530
Aeroflot open 2008 A12387
Feb 2008Swissfederation source
#3 in 2008Score 2/8Opp avg 2580Start 2546
14. RUS Club Chmp. 2007 HL2510
May 2007Teamfederation source
#3 in 2007Score 5/9Opp avg 2467Start 2539
23e Open International2589
Mar 2007Swissfederation source
#2 in 2007Score 6½/9Opp avg 2423Start 2522
Moscow open 2007 A2660
Jan 2007Swissfederation source
Best of 2007Score 6½/9Opp avg 2494Start 2522
59th Chmp 2006 men HL2523
Sep 2006Swissfederation source
Best of 2006Score 4/9Opp avg 2566Start 2517
11th RUS Team Champ.Men2571
Apr 2004Teamfederation source
Best of 2004Score 4/8Opp avg 2571Start 2538

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