Jan Kosior

POL · 22 yrs · K=20 · Peak 1738 (Mar 2024)

Best performance: 1818 at Turniej Otwarcia Meczu Kobiet Polska - Reszta Swiata(Best of 2019)

OCT26 Rating

1738

Live Rating

1738.0

Change

0.0

Games Played

Rating History · Rapid

Loading chart…

Rapid games since the October list

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

	Last played	Score	TPR
	Adolf Anderssen Memorial 2021Jul 31, 2021TPR 1728	5/9	1728

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

Event timeline · Rapid

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.

Adolf Anderssen Memorial 20211728
Jul 2021Swissfederation source
Best of 2021Score 5/9Opp avg 1853Start 1481
Mistrzostwa Dolnego Slaska w Szachach Szybkich 20201233
Dec 2020Swissfederation source
#4 in 2020Score 4/9Opp avg 1506Start 1532
Turniej Open przy Festiwalu Szachowym Kobiet im. Krystyny Holuj-Radzikowskiej1715
Nov 2020Swissfederation source
Best of 2020Score 4/9Opp avg 1802Start 1506
Mistrzostwa Polski Juniorow w Szachach Szybkich 2020 - C161442
Aug 2020Swissfederation source
#3 in 2020Score 4½/11Opp avg 1507Start 1537
Grand Prix Polonii Wroclaw 2020-01-101707
Jan 2020Swissfederation source
#2 in 2020Score 4/7Opp avg 1657Start 1511
Grand Prix Polonii Wroclaw 06-12-20191714
Dec 2019Swissfederation source
#2 in 2019Score 3/7Opp avg 1839Start 1457
Turniej Otwarcia Meczu Kobiet Polska - Reszta Swiata1818
Dec 2019Swissfederation source
Best of 2019Score 2½/7Opp avg 1967Start 1457
Mistrzostwa Dolnego Slaska w Szachach Szybkich 20191642
Nov 2019Swissfederation source
#3 in 2019Score 5/9Opp avg 1599Start 1456
Grand Prix Polonii Wroclaw 22-11-20191509
Nov 2019Swissfederation source
#4 in 2019Score 3/7Opp avg 1634Start 1456
Mistrzostwa Dolnego Slaska w Szachach Szybkich 20181626
Nov 2018Swissfederation source
#2 in 2018Score 5/9Opp avg 1576Start 1431
DRUZYNOWE MISTRZOSTWA DOLNEGO SLASKA JUNIOROW-Rapid1393
Oct 2018Teamfederation source
#7 in 2018Score 4/7Opp avg 1343Start 1435
Turniej Czekoladowy w Hetmanie 20181398
Oct 2018Swissfederation source
#6 in 2018Score 6/7Opp avg 1205Start 1435
Otwarte Mistrzostwa Wroclawia Mlodziezy -T31559
Sep 2018Swissfederation source
#3 in 2018Score 5½/7Opp avg 1366Start 1410
VI Mistrzostwa Gminy Oborniki Slaskie w Szachach Szybkich1527
Jun 2018Swissfederation source
#4 in 2018Score 4½/9Opp avg 1570Start 1394
Mistrzostwa Dolnego Slaska Juniorow w Szachach Szybkich'2018 - C141414
May 2018Swissfederation source
#5 in 2018Score 6/9Opp avg 1256Start 1387
V Mistrzostwa Polski Amatorow w Szachach Szybkich1797
Apr 2018Swissfederation source
Best of 2018Score 5/9Opp avg 1754Start 1303
Adolf Anderssen Memorial Tournament 20171572
Dec 2017Swissfederation source
#2 in 2017Score 3/13Opp avg 1783Start 1291
III Druzynowe Mistrzostwa Dolnego Slaska Juniorow W Szachach Szybkich1109
Oct 2017Teamfederation source
#5 in 2017Score 3½/7Opp avg 1196Start 1314
Polish Rapid Youth Chess Championship 2017 - B141307
Aug 2017Swissfederation source
#3 in 2017Score 4/11Opp avg 1409Start 1320
Mistrzostwa Dolnego Slaska Juniorow w Szachach Szybkich - Chlopcy do lat 141196
May 2017Swissfederation source
#4 in 2017Score 5/9Opp avg 1321Start 1344
Mistrzostwa Polski Amatorow w Szachach Szybkich 20171587
Apr 2017Individualfederation source
Best of 2017Score 3½/9Opp avg 1689Start 1314

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