Kosma Grochowski

POL · 30 yrs · K=20 · Peak 1956 (Mar 2024)

Best performance: 2160 at MetLife Warsaw Najdorf Chess Festiwal Gr. B(Best of 2017)

World #=38978 live648#38,330 publishedPoland #=1007

OCT26 Rating

1943

Live Rating

1943.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Classical games since the October list

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

	Last played	Score	TPR
	XVIII Międzynarodowy Turniej Szachowy im. Jana Zukertorta, FIDE (pula nagród w F estiwalu 10.000 PLN)Aug 3 – Aug 9TPR 1905	5½/9	1905

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

Event timeline · Classical

21 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.

XVIII Międzynarodowy Turniej Szachowy im. Jana Zukertorta, FIDE (pula nagród w F estiwalu 10.000 PLN)1905
Aug 2026Swisschess-results.com
#2 in 2026Score 5½/9Opp avg 1825Start 1954
III Mistrzostwa Cebularza w Szachach Klasycznych—(0)
May 2026Swissfederation source
Score 5/7Start 1954
II Arche Chess Open A1987
Feb 2026Swissfederation source
Best of 2026Score 5/9Opp avg 1944Start 1945
Mistrzostwa Wojewodztwa Lubelskiego w szachach klasycznych OPEN2047
Nov 2025Swissfederation source
Best of 2025Score 5½/7Opp avg 1817Start 1924
I Arche Chess Open B1895
Feb – Mar 2025Swissfederation source
#2 in 2025Score 4½/8Opp avg 1852Start 1930
Staszic Youth Chess Festival 2024 - Turniej A (Od 1700 PZSzach - FIDE)1822
Sep 2024Swissfederation source
#2 in 2024Score 1/3Opp avg 1947Start 1939
XVI Miedzynarodowy Turniej Szachowy im. Jana Zukertorta1883
Aug 2024Swissfederation source
Best of 2024Score 4/9Opp avg 1926Start 1956
Szachy ze SKOKiem im. Zygmunta Chmielewskiego w Lublinie 20211880
Dec 2021Swissfederation source
Best of 2021Score 4½/7Opp avg 1778Start 1928
68. Mistrzostwa Warszawy w szachach standardowych - gr. A1972
Nov 2019Swissfederation source
#2 in 2019Score 3½/8Opp avg 2015Start 1920
DMP II liga seniorow 20192082
Sep 2019Teamfederation source
Best of 2019Score 2/4Opp avg 2082Start 1903
Najdorf Chess Festival gr. B1789
Jul 2019Swissfederation source
#4 in 2019Score 4½/8Opp avg 1746Start 1930
" XI Miedzynarodowy Turniej Szachowy im. Jana Zukertorta"1815
Jun 2019Swissfederation source
#3 in 2019Score 5½/9Opp avg 1735Start 1954
Szachy ze SKOKiem im. Zygmunta Chmielewskiego w Lublinie 20182036
Dec 2018Swissfederation source
Best of 2018Score 5½/7Opp avg 1806Start 1935
18th INTERNATIONAL NAJDORF CHESS FESTIVAL Gr. B1935
Jul 2018Swissfederation source
#3 in 2018Score 6½/9Opp avg 1769Start 1931
Wiosenny Turniej Fide na Bemowie'20181974
Apr 2018Swissfederation source
#2 in 2018Score 4/5Opp avg 1734Start 1917
Szachy ze SKOKiem im. Zygmunta Chmielewskiego w Lublinie'20171498
Dec 2017Swissfederation source
#4 in 2017Score 1/3Opp avg 1623Start 1949
MetLife Warsaw Najdorf Chess Festiwal Gr. B2160
Jul 2017Swissfederation source
Best of 2017Score 6½/9Opp avg 2019Start 1891
IX Miedzynarodowy Turniej Szachowy im. Jana Zukertorta do 1800 FIDE - MP Amatorow1919
Jun 2017Swissfederation source
#3 in 2017Score 5/9Opp avg 1876Start 1856
Turniej o Puchar Burmistrza Ursusa - Open A2018
Jun 2017Swissfederation source
#2 in 2017Score 3½/5Opp avg 1869Start 1856
Szachy ze SKOKiem im. Zygmunta Chmielewskiego w Lublinie'1944
Dec 2016Swissfederation source
#2 in 2016Score 4½/7Opp avg 1842Start 1831
VIII Miedzynarodowy Turniej Szachowy im. Jana Zukertorta do 1800 FIDE - MP Amatorow1951
Jun 2016Individualfederation source
Best of 2016Score 7½/9Opp avg 1678Start 1799

Rated near Kosma Grochowski · Classical

World

#=38978Freitas,Marcos Antonio da Costa1943.0
#=38978Rubens Gazineu Neto1943.0
#=38978Kosma Grochowski1943.0
#=38978Arturo Pastor Villalba1943.0
#=38978Roberto Ramirez Alvarez1943.0

Poland

#=1007Krzysztof Lusio1943.0
#=1007Marcin Tabola1943.0
#=1007Kosma Grochowski1943.0
#=1007Jakub Slawniak1943.0
#=1014Andrzej Migala1942.8

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