Chess South Africa Ratings Database

PLAYER PAGE

Personal

Behrens, O (Otto-Karl)

Chess SA id

1100152069

FIDE id

Date of birth

2010-12-08 (U16)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1215.4	1192	1220.5	1200
Raw rating	1215.4	1192	1220.5	1200
Weighted rating	1212.3	1191.9	1217.4	1200
Weighted performance	0	0	0	0
Floor	731.5	737.2	720.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.2	167.7	161	165.8
Highest rating	1361.8 2023-03-01	1357.9 2023-03-01	1301.2 2024-07-01	1200 2018-10-01
Highest raw rating	1231.5 2023-04-01	1237.2 2023-04-01	1220.5 2024-08-01	1200 2024-03-01
Highest weighted rating	1210.9 2025-08-01	1237.2 2023-04-01	1216 2025-08-01	1200 2018-10-01
Highest weighted performance	1361.8 2023-03-01	1357.9 2023-03-01	1301.2 2024-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1215.4	1192	1220.5	1200
Analysis
Rating	1215.4	1192	1220.5	1200
Raw rating	1215.4	1192	1220.5	1200
Weighted rating	1212.3	1191.9	1217.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	731.5	737.2	720.5	700
Max/Min rating change allowed	162.2	167.7	161	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1215.4	1192	1220.5	1200
New weighted rating	1213	1191.9	1218	1200
New weighted performance	0	0	0	0
Temp new rating	1215.4	1192	1220.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1215.4	1192	1220.5	1200
New K-factor	36	36	36	36
New floor	731.5	737.2	720.5	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	0	5
	10	10	0
	0	0	0
	0	0	0
History	15	10	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	8.5	56.67	56.7	1174.1	1230.8
Standard	10	5.5	55	42.5	1137.3	1179.8
Rapid	5	3	60	85	1247.7	1332.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1215.4	1192	1220.5	1200
2025-09-01	1215.4	1192	1220.5	1200
2025-08-01	1215.4	1192	1220.5	1200
2025-07-01	1215.4	1192	1220.5	1200
2025-06-01	1215.4	1192	1220.5	1200
2025-05-01	1215.4	1192	1220.5	1200
2025-04-01	1215.4	1192	1220.5	1200
2025-03-01	1215.4	1192	1220.5	1200
2025-02-01	1215.4	1192	1220.5	1200
2025-01-01	1215.4	1191.8	1220.5	1200
2024-12-01	1215.4	1191.8	1220.5	1200
2024-11-01	1215.4	1191.8	1220.5	1200
2024-10-01	1215.4	1191.8	1220.5	1200
2024-09-01	1215.4	1191.8	1220.5	1200
2024-08-01	1215.4	1191.8	1220.5	1200
2024-07-01	1195	1191.8	1200	1200
2024-06-01	1195	1191.8	1200	1200
2024-08-01	1195	1191.8	1200	1200
2024-04-01	1195	1191.8	1200	1200
2024-03-01	1195	1191.8	1200	1200
2024-02-01	1195	1191.8	1200	1200
2024-01-01	1195	1191.8	1200	1200
2023-12-01	1195	1191.8	1200	1200
2023-11-01	1195	1191.8	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Clash Of Schools - Secondary 2024 (U15)	2024-07-27	2024-07-27	Rapid	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
2	Grenswag's Community Battle 2023 (Knights)	2023-04-22	2023-04-22	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
3	Schoemies Kings & Queens 2023 (Development)	2023-03-18	2023-03-18	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Mphomane, O (Omolemo)				Opponent Mathuloe, K (Kagiso)
2	3	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies Kings & Queens 2023
		date 2023-03-18	rnd 1	type Standard	result 1	date 2023-03-18	rnd 3	type Standard	result 1
		Opponent Scholtz, C (Corniel)				Opponent Du Toit, A (Aiden)
3	1	Tournament Grenswag's Community Battle 2023				Tournament Grenswag's Community Battle 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent Bossert, SW (Sam)				Opponent Bossert, SW (Sam)

#	Games	Start				End
1	3	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies Kings & Queens 2023
		date 2023-03-18	rnd 1	type Standard	result 1	date 2023-03-18	rnd 3	type Standard	result 1
		Opponent Scholtz, C (Corniel)				Opponent Du Toit, A (Aiden)
2	1	Tournament Grenswag's Community Battle 2023				Tournament Grenswag's Community Battle 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent Bossert, SW (Sam)				Opponent Bossert, SW (Sam)
3	1	Tournament Grenswag's Community Battle 2023				Tournament Grenswag's Community Battle 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Pieterse, S (Stian)				Opponent Pieterse, S (Stian)

#	Games	Start				End
1	3	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Mphomane, O (Omolemo)				Opponent Mathuloe, K (Kagiso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Mphomane, O (Omolemo)				Opponent Mathuloe, K (Kagiso)
2	3	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies Kings & Queens 2023
		date 2023-03-18	rnd 1	type Standard	result 1	date 2023-03-18	rnd 3	type Standard	result 1
		Opponent Scholtz, C (Corniel)				Opponent Du Toit, A (Aiden)
3	1	Tournament Grenswag's Community Battle 2023				Tournament Grenswag's Community Battle 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent Bossert, SW (Sam)				Opponent Bossert, SW (Sam)

#	Games	Start				End
1	3	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies Kings & Queens 2023
		date 2023-03-18	rnd 1	type Standard	result 1	date 2023-03-18	rnd 3	type Standard	result 1
		Opponent Scholtz, C (Corniel)				Opponent Du Toit, A (Aiden)
2	1	Tournament Grenswag's Community Battle 2023				Tournament Grenswag's Community Battle 2023
		date 2023-04-22	rnd 4	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent Bossert, SW (Sam)				Opponent Bossert, SW (Sam)
3	1	Tournament Grenswag's Community Battle 2023				Tournament Grenswag's Community Battle 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Pieterse, S (Stian)				Opponent Pieterse, S (Stian)

#	Games	Start				End
1	3	Tournament Bojanala's Clash Of Schools - Secondary 2024				Tournament Bojanala's Clash Of Schools - Secondary 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 5	type Rapid	result 1
		Opponent Mphomane, O (Omolemo)				Opponent Mathuloe, K (Kagiso)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Du Toit ,A (Aiden)	1	1	425	1	1	425	0	0	0	0	0	0
1	Du Toit ,A (Aiden)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Pieterse ,S (Stian)	1	1	425	1	1	425	0	0	0	0	0	0
2	Pieterse ,S (Stian)	1	1186.3	1611.3	1	1200	1611.3	0	0	0	0	0	0
3	Scholtz ,C (Corniel)	1	1	425	1	1	425	0	0	0	0	0	0
3	Scholtz ,C (Corniel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Swart ,J (Jan-Dirk)	1	1	425	1	1	425	0	0	0	0	0	0
4	Swart ,J (Jan-Dirk)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Kalp ,F (Frans)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kalp ,F (Frans)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Enslin ,J (Jason)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Enslin ,J (Jason)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Mosito ,B (Bokamosa)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mosito ,B (Bokamosa)	1	732	307	1	768.8	307	0	0	0	0	0	0
8	Bossert ,SW (Sam Werner)	1	1	425	1	1	425	0	0	0	0	0	0
8	Bossert ,SW (Sam Werner)	1	1062.8	1487.8	1	1044.8	1487.8	0	0	0	0	0	0
9	Bosch ,O (Ockert)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Bosch ,O (Ockert)	1	1119.3	694.3	1	1100	694.3	0	0	0	0	0	0
10	Makgala ,N (Nkosana)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Makgala ,N (Nkosana)	1	1272.4	847.4	1	1280.2	847.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Behrens, O (Otto-Karl)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms