Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ahrens, C (Conrad)

Chess SA id

108092826

FIDE id

Date of birth

2008-07-07 (U18)

Gender

Male

Region

Ekurhuleni (GE)

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	1103.7	1046	1200	1304.4
Raw rating	1103.7	1046	1200	1304.4
Weighted rating	1097.9	1046	1200	1288.7
Weighted performance	0	0	0	0
Floor	700	700	700	804.4
K-factor	36	36	36	36
Min/Max rating change allowed	190.2	206.5	165.8	142.9
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1624.6 2024-07-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1304.4 2024-08-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1281.4 2025-08-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1624.6 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1103.7	1046	1200	1304.4
Analysis
Rating	1103.7	1046	1200	1304.4
Raw rating	1103.7	1046	1200	1304.4
Weighted rating	1097.9	1046	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	804.4
Max/Min rating change allowed	190.2	206.5	165.8	142.9
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	1103.7	1046	1200	1304.4
New weighted rating	1099.1	1046	1200	1291.9
New weighted performance	0	0	0	0
Temp new rating	1103.7	1046	1200	1304.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1103.7	1046	1200	1304.4
New K-factor	36	36	36	36
New floor	700	700	700	804.4

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	35	29	6

Games since
	Main 6	Standard 0		Rapid 0		Blitz 6
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	30	13	43.33	-56.7	1134.4	1077.7
Standard	24	7	29.17	-177.1	1121.1	944
Rapid	0	0	0	0	0	0
Blitz	6	6	100	425	1187.7	1612.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1103.7	1046	1200	1304.4
2025-09-01	1103.7	1046	1200	1304.4
2025-08-01	1103.7	1046	1200	1304.4
2025-07-01	1103.7	1046	1200	1304.4
2025-06-01	1103.7	1046	1200	1304.4
2025-05-01	1103.7	1046	1200	1304.4
2025-04-01	1103.7	1046	1200	1304.4
2025-03-01	1103.7	1046	1200	1304.4
2025-02-01	1103.7	1046	1200	1304.4
2025-01-01	1103.7	1046	1200	1304.4
2024-12-01	1103.7	1046	1200	1304.4
2024-11-01	1103.7	1046	1200	1304.4
2024-10-01	1103.7	1046	1200	1304.4
2024-09-01	1103.7	1046	1200	1304.4
2024-08-01	1103.7	1046	1200	1304.4
2024-07-01	1065	1046	1200	1200
2024-06-01	1065	1046	1200	1200
2024-08-01	1065	1046	1200	1200
2024-04-01	1065	1046	1200	1200
2024-03-01	1065	1046	1200	1200
2024-02-01	1065	1046	1200	1200
2024-01-01	1065	1046	1200	1200
2023-12-01	1065	1046	1200	1200
2023-11-01	1065	1046	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	Helpmekaar Kollege Blitz Chess Invitational 2024 (B)	2024-07-27	2024-07-27	Blitz	Johannesburg Metro (GJM)	9	6	6	Yes	Analysis
2	Springs Chess Club Open 2020 (C)	2020-01-25	2020-01-25	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
3	2019 South African Top Schools Team Championships (U13 Open)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	3	1	Yes	Analysis
4	Springs Open 2019 (C)	2019-08-31	2019-08-31	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
5	Dalpark Open 2018 (C)	2018-05-04	2018-05-05	Standard	Ekurhuleni (GE)	6	6	1	Yes	Analysis
6	Ekurhuleni Trials 1 2018 (U12)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 9	type Blitz	result 1
		Opponent Millicevic, J (Josslynn)				Opponent Correia, T (Tomas)
2	2	Tournament Springs Chess Club Open 2020				Tournament Springs Chess Club Open 2020
		date 2020-01-25	rnd 3	type Standard	result 0.5	date 2020-01-25	rnd 4	type Standard	result 1
		Opponent Mulder, J (Jayden)				Opponent Bouwer, P (Phillipus)
3	1	Tournament 2019 South African Top Schools Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-10	rnd 3	type Standard	result 1	date 2020-01-10	rnd 3	type Standard	result 1
		Opponent Thomo, S (Sinothando)				Opponent Thomo, S (Sinothando)

#	Games	Start				End
1	2	Tournament Springs Chess Club Open 2020				Tournament Springs Chess Club Open 2020
		date 2020-01-25	rnd 3	type Standard	result 0.5	date 2020-01-25	rnd 4	type Standard	result 1
		Opponent Mulder, J (Jayden)				Opponent Bouwer, P (Phillipus)
2	1	Tournament 2019 South African Top Schools Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-10	rnd 3	type Standard	result 1	date 2020-01-10	rnd 3	type Standard	result 1
		Opponent Thomo, S (Sinothando)				Opponent Thomo, S (Sinothando)
3	1	Tournament Springs Open 2019				Tournament Springs Open 2019
		date 2019-08-31	rnd 4	type Standard	result 1	date 2019-08-31	rnd 4	type Standard	result 1
		Opponent Malinga, R (Reabetswe)				Opponent Malinga, R (Reabetswe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 9	type Blitz	result 1
		Opponent Millicevic, J (Josslynn)				Opponent Correia, T (Tomas)

#	Games	Start				End
1	6	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 9	type Blitz	result 1
		Opponent Millicevic, J (Josslynn)				Opponent Correia, T (Tomas)
2	1	Tournament Springs Chess Club Open 2020				Tournament Springs Chess Club Open 2020
		date 2020-01-25	rnd 4	type Standard	result 1	date 2020-01-25	rnd 4	type Standard	result 1
		Opponent Bouwer, P (Phillipus)				Opponent Bouwer, P (Phillipus)
3	1	Tournament 2019 South African Top Schools Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-10	rnd 3	type Standard	result 1	date 2020-01-10	rnd 3	type Standard	result 1
		Opponent Thomo, S (Sinothando)				Opponent Thomo, S (Sinothando)

#	Games	Start				End
1	1	Tournament Springs Chess Club Open 2020				Tournament Springs Chess Club Open 2020
		date 2020-01-25	rnd 4	type Standard	result 1	date 2020-01-25	rnd 4	type Standard	result 1
		Opponent Bouwer, P (Phillipus)				Opponent Bouwer, P (Phillipus)
2	1	Tournament 2019 South African Top Schools Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-10	rnd 3	type Standard	result 1	date 2020-01-10	rnd 3	type Standard	result 1
		Opponent Thomo, S (Sinothando)				Opponent Thomo, S (Sinothando)
3	1	Tournament Springs Open 2019				Tournament Springs Open 2019
		date 2019-08-31	rnd 4	type Standard	result 1	date 2019-08-31	rnd 4	type Standard	result 1
		Opponent Malinga, R (Reabetswe)				Opponent Malinga, R (Reabetswe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 9	type Blitz	result 1
		Opponent Millicevic, J (Josslynn)				Opponent Correia, T (Tomas)

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	Janse Van Vuuren ,A (Alexander)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Janse Van Vuuren ,A (Alexander)	1	1101.3	676.3	1	1086	676.3	0	0	0	0	0	0
2	Klinkert ,C (Cade)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Klinkert ,C (Cade)	1	1149.9	724.9	1	1142	724.9	0	0	0	0	0	0
3	Sweeting ,S (Sarah)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Sweeting ,S (Sarah)	1	500	75	1	500	75	0	0	0	0	0	0
4	Janse Van Rensburg ,T (Tyler)	1	1	425	1	1	425	0	0	0	0	0	0
4	Janse Van Rensburg ,T (Tyler)	1	1100.1	1525.1	1	1079.6	1525.1	0	0	0	0	0	0
5	Janse Van Rensburg ,J (Jayden)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Janse Van Rensburg ,J (Jayden)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Sebogoane ,KC (Kgwerano Covenant)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Sebogoane ,KC (Kgwerano Covenant)	1	610.9	185.9	1	625.2	185.9	0	0	0	0	0	0
7	Mulder ,J (Jayden)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Mulder ,J (Jayden)	1	1259.2	1259.2	1	1262.9	1259.2	0	0	0	0	0	0
8	Mthethwa ,K (Khaya)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mthethwa ,K (Khaya)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Malinga ,R (Reabetswe)	1	1	425	1	1	425	0	0	0	0	0	0
9	Malinga ,R (Reabetswe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Govender ,K (Kaylin)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Govender ,K (Kaylin)	1	1275.9	850.9	1	1258.5	850.9	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

Ahrens, C (Conrad)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms