Petter B Markussen

NOR · 33 yrs · K=20 · Peak 1974 (Aug 2024)

Best performance: 2228 at OSS Klassiske 2019(Best of 2019)

NOV26 Rating

1955

Live Rating

1955.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

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Official classical rating by month

List	Rating	Change
Nov 2026	1955	0
Oct 2026	1955	0
Sep 2026	1955	0
Aug 2026	1955	0
Jul 2026	1955	0
Jun 2026	1955	0
May 2026	1955	0
Apr 2026	1955	0
Mar 2026	1955	0
Feb 2026	1955	0
Jan 2026	1955	0
Dec 2025	1955	0

Form · Classical

oldest → latest

From 126 classical games on record, the latest on Jul 12, 2025.

Classical games since the November list

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

	Last played	Score	TPR
	Landsturneringen 2025 Kl MesterJul 5, 2025 – Jul 12, 2025TPR 1881	2½/8	1881

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

Best wins · Classical

From 119 rated classical games against rated opponents, 2016–2025

#	Opponent	Rating
1	FM Johannes Luangtep Kvisla, OSS Klassiske 2019, Mar 2019	, 2256
2	FM Daniel Nordquelle, Oslo Chess Festival 2017, Oct 2017	, 2203
3	FM Isak Sjoberg, Oslo Chess Festival 2017, Oct 2017	, 2078
4	Benjamin Halvorsen, Landsturneringen 2025 Kl Mester, Jul 2025	, 2016
5	Rune Harald Kristiansen, Landsturneringen 2025 Kl Mester, Jul 2025	, 1993
6	David Lange, Landsturneringen 2023 kl 1, Jul 2023	, 1987
7	Elias Hulleberg Sidali, Nordstrand GP Langsjakk 2019 A, Apr 2019	, 1944
8	Andreas Strand, Landsturneringen 2023 kl 1, Jul 2023	, 1928
9	Juergen Kleinert, Oslo Chess Festival 2017, Oct 2017	, 1918
10	Andreas Stole, Norwegian ind. Championship Cl. 2 2017, Jul 2017	, 1915

#	Opponent	Score	Rating
1	IM Joachim Birger Nilsen, NM for klubblag 2019, May 2019	, 0/1	, 2401
2	IM Mikkel Antonsen, Xtracon Chess Open 2019, Jul 2019	, ½/1	, 2400
3	GM Thomas Ernst, Oslo Chess Festival 2017, Sep 2017	, 0/1	, 2371
4	GM Elham Amar, 1911 Langsjakk A I, Mar 2022	, 0/1	, 2353
5	IM Johannes Haug, Gjovik Grand Prix A 2017, May 2017	, 0/1	, 2321
6	FM Anders Hobber, Nordstrand GP Langsjakk 2019 A, Apr 2019	, 0/1	, 2295
7	FM Eero Valkama, Xtracon Chess Open 2019, Jul 2019	, ½/1	, 2286
8	WGM Kateryna Dolzhykova, Oslo Chess Festival 2017, Oct 2017	, ½/1	, 2270
9	FM Daniel Nordquelle, Nordstrand GP Langsjakk 2019 A, Apr 2019	, 1/3	, 2264
10	FM Johannes Luangtep Kvisla, OSS Klassiske 2019, Mar 2019	, 1/1	, 2256

Openings · Classical

From the moves of 20 of 126 classical games on record.

As WhiteOpens 1.d4 in 8 of 10 games.

As BlackMeets 1.d4 with 1...Nf6, and 1.e4 with 1...e6.

All openings (1 as White, 2 as Black)

Openings in White games	Games	Score
Queen's Pawn Game	4	75%

6 more games in openings played fewer than 3 times.

Openings in Black games	Games	Score
French Defense	4	25%
King's Indian Defense	3	0%

Event timeline · Classical

19 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	8	2½	2022	1881
2024	9	6½	1893	2059
2023	9	6	1879	2004
2022	4	0	2190	1390
2021	4	3	1731	1924
2019	29	16	1921	1957
2018	9	3½	1914	1834
2017	30	18	1819	1891
2016	17	6	1804	1694

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

Landsturneringen 2025 Kl Mester1881
Jul 2025Swissfederation source
Best of 2025Score 2½/8Opp avg 2022Start 1974
Landsturneringen 2024 kl 12059
Jun – Jul 2024Swissfederation source
Best of 2024Score 6½/9Opp avg 1893Start 1948
Landsturneringen 2023 kl 12004
Jul 2023Swissfederation source
Best of 2023Score 6/9Opp avg 1879Start 1886
1911 Langsjakk A I1390
Mar 2022Swissfederation source
Score 0/4Opp avg 2190Start 1900
OSS Klassiske 20211924
Nov 2021Swissfederation source
Best of 2021Score 4/5Opp avg 1731Start 1890
Xtracon Chess Open 20191968
Jul 2019Swissfederation source
#3 in 2019Score 5/10Opp avg 1968Start 1873
NM for klubblag 20191823
May – Jun 2019Teamfederation source
#5 in 2019Score 2/6Opp avg 1948Start 1882
Nordstrand GP Langsjakk 2019 A1992
Apr 2019Swissfederation source
#2 in 2019Score 2/5Opp avg 2064Start 1872
OSS Klassiske 20192228
Mar 2019Swissfederation source
Best of 2019Score 4½/5Opp avg 1862Start 1826
Helgeland og Salten Kretsmesterskap i lagsjakk 20191846
Jan 2019Teamfederation source
#4 in 2019Score 3½/4Opp avg 1573Start 1822
Landsturneringen 2018 kl. 11834
Jul 2018Swissfederation source
Best of 2018Score 3½/9Opp avg 1914Start 1819
Oslo Chess Festival 20172139
Sep – Oct 2017Swissfederation source
Best of 2017Score 5/8Opp avg 2044Start 1756
Norwegian ind. Championship Cl. 2 20171903
Jul 2017Swissfederation source
#2 in 2017Score 5½/9Opp avg 1823Start 1708
Scandic Hell 20171739
Jun 2017Swissfederation source
#4 in 2017Score 3/5Opp avg 1667Start 1695
Trondheimsmesterskapet 20171741
May 2017Swissfederation source
#3 in 2017Score 4/5Opp avg 1548Start 1693
Gjovik Grand Prix A 20171733
May 2017Swissfederation source
#5 in 2017Score 2½/5Opp avg 1820Start 1693
Trondheim Pokalturneringen A 20161619
Oct – Nov 2016Swissfederation source
#3 in 2016Score 2/9Opp avg 1892Start 1713
Knut Brokstads minneturnering A 20161744
Oct 2016Swissfederation source
Best of 2016Score 2/4Opp avg 1744Start 1713
Landsturneringen 2016 kl. 21713
Jul 2016Swissfederation source
#2 in 2016Score 3½/9Opp avg 1763

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