Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ahrens, H (Heinrich)

Chess SA id

106092829

FIDE id

Date of birth

2006-12-06 (U20)

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	996.4	967	1200	1182.5
Raw rating	996.4	967	1200	1182.5
Weighted rating	994.6	967	1200	1180.1
Weighted performance	418.8	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	221.6	231.1	165.8	170
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	996.4	967	1200	1182.5
Analysis
Rating	996.4	967	1200	1182.5
Raw rating	996.4	967	1200	1182.5
Weighted rating	994.6	967	1200
Weighted performance	418.8	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	221.6	231.1	165.8	170
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	996.4	967	1200	1182.5
New weighted rating	995	967	1200	1180
New weighted performance	418.4	0	0	0
Temp new rating	996.4	967	1200	1182.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	996.4	967	1200	1182.5
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	8	0	8
	0	0	0
	0	0	0
	0	0	0
History	34	26	8

Games since
	Main 8	Standard 0		Rapid 0		Blitz 8
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	29	8	27.59	-190.5	1053.8	863.3
Standard	21	5	23.81	-222.6	990.2	767.6
Rapid	0	0	0	0	0	0
Blitz	8	3	37.5	-106.2	1220.8	1114.6

Date	Main	Standard	Rapid	Blitz
2025-09-30	996.4	967	1200	1182.5
2025-09-01	996.4	967	1200	1182.5
2025-08-01	996.4	967	1200	1182.5
2025-07-01	996.4	967	1200	1182.5
2025-06-01	996.4	967	1200	1182.5
2025-05-01	996.4	967	1200	1182.5
2025-04-01	996.4	967	1200	1182.5
2025-03-01	996.4	967	1200	1182.5
2025-02-01	996.4	967	1200	1181.7
2025-01-01	996.4	967	1200	1162.6
2024-12-01	996.4	967	1200	1162.6
2024-11-01	996.4	967	1200	1162.6
2024-10-01	996.4	967	1200	1162.6
2024-09-01	996.4	967	1200	1162.6
2024-08-01	996.4	967	1200	1162.6
2024-07-01	984.5	967	1200	1200
2024-06-01	984.5	967	1200	1200
2024-08-01	984.5	967	1200	1200
2024-04-01	984.5	967	1200	1200
2024-03-01	984.5	967	1200	1200
2024-02-01	984.5	967	1200	1200
2024-01-01	984.5	967	1200	1200
2023-12-01	984.5	967	1200	1200
2023-11-01	984.5	967	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	8	3	Yes	Analysis
2	Springs Chess Club Open 2020 (B)	2020-01-25	2020-01-25	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
3	Springs Open 2019 (C)	2019-08-31	2019-08-31	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Dalpark Open 2018 (C)	2018-05-04	2018-05-05	Standard	Ekurhuleni (GE)	6	6	2	Yes	Analysis
5	Ekurhuleni Trials 1 2018 (U14)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 3	type Blitz	result 1	date 2024-07-27	rnd 6	type Blitz	result 1
		Opponent Izinae, D (Dezy)				Opponent Gebrewold, A (Aaron)
2	1	Tournament Springs Chess Club Open 2020				Tournament Springs Chess Club Open 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Ndwandwe, N (Ntokozo)				Opponent Ndwandwe, N (Ntokozo)
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 Nzimaude, A (Aphiwe)				Opponent Nzimaude, A (Aphiwe)

#	Games	Start				End
1	1	Tournament Springs Chess Club Open 2020				Tournament Springs Chess Club Open 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Ndwandwe, N (Ntokozo)				Opponent Ndwandwe, N (Ntokozo)
2	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 Nzimaude, A (Aphiwe)				Opponent Nzimaude, A (Aphiwe)
3	1	Tournament Springs Open 2019				Tournament Springs Open 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Msibi, B (Banele)				Opponent Msibi, B (Banele)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 3	type Blitz	result 1	date 2024-07-27	rnd 6	type Blitz	result 1
		Opponent Izinae, D (Dezy)				Opponent Gebrewold, A (Aaron)

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 3	type Blitz	result 1	date 2024-07-27	rnd 6	type Blitz	result 1
		Opponent Izinae, D (Dezy)				Opponent Gebrewold, A (Aaron)
2	1	Tournament Springs Chess Club Open 2020				Tournament Springs Chess Club Open 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Ndwandwe, N (Ntokozo)				Opponent Ndwandwe, N (Ntokozo)
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 Nzimaude, A (Aphiwe)				Opponent Nzimaude, A (Aphiwe)

#	Games	Start				End
1	1	Tournament Springs Chess Club Open 2020				Tournament Springs Chess Club Open 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Ndwandwe, N (Ntokozo)				Opponent Ndwandwe, N (Ntokozo)
2	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 Nzimaude, A (Aphiwe)				Opponent Nzimaude, A (Aphiwe)
3	1	Tournament Springs Open 2019				Tournament Springs Open 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Msibi, B (Banele)				Opponent Msibi, B (Banele)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 3	type Blitz	result 1	date 2024-07-27	rnd 6	type Blitz	result 1
		Opponent Izinae, D (Dezy)				Opponent Gebrewold, A (Aaron)

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	Botha ,F (Franco)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Botha ,F (Franco)	1	613.3	188.3	1	633.2	188.3	0	0	0	0	0	0
2	Grootboom ,C (Chante)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Grootboom ,C (Chante)	1	1204.8	779.8	1	1182	779.8	0	0	0	0	0	0
3	Claven ,R (Ryan Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Claven ,R (Ryan Daniel)	1	1212.9	787.9	1	1205.9	787.9	0	0	0	0	0	0
4	Slabbert ,U (Ulrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Slabbert ,U (Ulrich)	1	1198.4	773.4	1	1191	773.4	0	0	0	0	0	0
5	Myburgh ,A (Aj)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Myburgh ,A (Aj)	1	1247.8	822.8	1	1248.9	822.8	0	0	0	0	0	0
6	Cronje ,H (Hanrique)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Cronje ,H (Hanrique)	1	668.7	243.7	1	698.4	243.7	0	0	0	0	0	0
7	Singh ,N (Nimai)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Singh ,N (Nimai)	1	931.4	506.4	1	926.8	506.4	0	0	0	0	0	0
8	Swart ,Z (Zander)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Swart ,Z (Zander)	1	1203.5	778.5	1	1188.3	778.5	0	0	0	0	0	0
9	Cronje ,NM (Nicolaas Mattheus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Cronje ,NM (Nicolaas Mattheus)	1	953.6	528.6	1	955.2	528.6	0	0	0	0	0	0
10	Ngidi ,B (Byron)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ngidi ,B (Byron)	1	1095.7	670.7	1	1086.8	670.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Ahrens, H (Heinrich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms