Bohumil Sieber

CZE · 73 yrs · K=20 · Peak 1657 (Mar 2024)

Best performance: 1662 at DAFO CUP 2019(Best of 2019)

NOV26 Rating

1597

Live Rating

1597.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Rapid

Loading chart…

Official rapid rating by month

List	Rating	Change
Nov 2026	1597	0
Oct 2026	1597	0
Sep 2026	1597	0
Aug 2026	1597	0
Jul 2026	1597	0
Jun 2026	1597	0
May 2026	1597	0
Apr 2026	1597	+1
Mar 2026	1596	0
Feb 2026	1596	-1
Jan 2026	1597	0
Dec 2025	1597	0

Form · Rapid

oldest → latest

From 162 rapid games on record, the latest on Mar 15, 2025.

Rapid games since the November list

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

	Last played	Score	TPR
	Open Petrvald 2025Mar 15, 2025TPR 1597	4/9	1597

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

Event timeline · Rapid

18 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	3	1684	1597
2024	20	8	1631	1559
2023	29	14	1454	1440
2019	25	9	1524	1422
2018	32	13	1649	1584
2017	7	3	1597	1547

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

Open Petrvald 20251597
Mar 2025Swissfederation source
Best of 2025Score 4/9Opp avg 1684Start 1608
DAFO CUP 20241658
Dec 2024Swissfederation source
Best of 2024Score 5/9Opp avg 1658Start 1601
Open Orlova 20241378
Sep 2024Swissfederation source
#3 in 2024Score 4/9Opp avg 1651Start 1643
Open Petrvald 20241576
Mar 2024Swissfederation source
#2 in 2024Score 5/9Opp avg 1576Start 1657
DAFO CUP 20231570
Dec 2023Swissfederation source
Best of 2023Score 5/9Opp avg 1570Start 1408
Open Orlova 20231492
Sep 2023Swissfederation source
#2 in 2023Score 5/9Opp avg 1449Start 1394
II OTWARTE MISTRZOSTWA SKOCZOWA W SZACHACH SZYBKICH1367
Jun 2023Swissfederation source
#3 in 2023Score 5½/9Opp avg 1367Start 1399
Open Petrvald 20231267
Mar 2023Swissfederation source
#4 in 2023Score 4/9Opp avg 1392Start 1431
DAFO CUP 20221451
Dec 2022Swissfederation source
Best of 2022Score 5½/9Opp avg 1451Start 1432
Open Orlova 20221320
Oct 2022Swissfederation source
#2 in 2022Score 5/9Opp avg 1560Start 1457
DAFO CUP 20191662
Dec 2019Swissfederation source
Best of 2019Score 4/9Opp avg 1749Start 1441
Bohuslavice Open 20191231
Mar 2019Swissfederation source
#3 in 2019Score 3/9Opp avg 1356Start 1542
Open Petrvald 20191402
Mar 2019Swissfederation source
#2 in 2019Score 4/9Opp avg 1489Start 1542
DAFO CUP 20181400
Dec 2018Swissfederation source
#4 in 2018Score 3/9Opp avg 1709Start 1571
Bohuslavice Open 20181635
Apr 2018Swissfederation source
#2 in 2018Score 4/9Opp avg 1678Start 1560
Open Petrvald 20181562
Mar 2018Swissfederation source
#3 in 2018Score 5/9Opp avg 1562Start 1564
Slezsky open 20181649
Feb 2018Swissfederation source
Best of 2018Score 4/9Opp avg 1649Start 1547
DAFO CUP 20171547
Dec 2017Swissfederation source
Best of 2017Score 5/9Opp avg 1597

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