Sergey Ionov

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

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

NOV26 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
Nov 2026	2502	0
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

Form · Classical

oldest → latest

Unbeaten in every game on record since Sep 24, 2022 (9: 2 wins, 7 draws). Games before 2021 are not all on record yet.

From 195 classical games on record, the latest on Oct 2, 2022.

Classical games since the November list

No rated standard games this rating periodsince the NOV26 list (Nov 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.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2022	9	5½	2327	2407
2019	11	6	2454	2490
2017	9	6½	2238	2404
2014	5	2½	2488	2488
2013	4	2	2496	2496
2012	13	8	2387	2474
2011	28	17	2483	2563
2009	21	12½	2492	2564
2008	26	14	2480	2509
2007	27	18	2461	2586

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

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 NOV26 published list · Not affiliated with FIDE