Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coltman, A (Ariana)

Chess SA id

2160152444

FIDE id

Date of birth

2016-09-19 (U10)

Gender

Female

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1143.5	1161.2	1200	1200
Raw rating	1143.5	1161.2	1200	1200
Weighted rating	1141	1158.2	1200	1200
Weighted performance	879.2	886.2	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.7	175.2	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1143.5	1161.2	1200	1200
Analysis
Rating	1143.5	1161.2	1200	1200
Raw rating	1143.5	1161.2	1200	1200
Weighted rating	1141	1158.2	1200
Weighted performance	879.2	886.2	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.7	175.2	165.8	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	1143.5	1161.2	1200	1200
New weighted rating	1142	1159.4	1200	1200
New weighted performance	878	885	0	0
Temp new rating	1143.5	1161.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1143.5	1161.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	6	6
	31	31
	0	0
	0	0
History	37	37

Games since
	Main 16	Standard 16		Rapid 0		Blitz 0
Gender	Female
Age group	U10
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-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	37	11.5	31.08	-160.8	1222	1061.2
Standard	37	11.5	31.08	-160.8	1222	1061.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1143.5	1161.2	1200	1200
2025-09-01	1143.5	1161.2	1200	1200
2025-08-01	1143.5	1161.2	1200	1200
2025-07-01	1143.5	1161.2	1200	1200
2025-06-01	1143.5	1161.2	1200	1200
2025-05-01	1143.5	1161.2	1200	1200
2025-04-01	1143.5	1161.2	1200	1200
2025-03-01	1143.5	1161.2	1200	1200
2025-02-01	1143.5	1161.2	1200	1200
2025-01-01	1143.5	1161.2	1200	1200
2024-12-01	1143.5	1161.2	1200	1200
2024-11-01	1143.5	1161.2	1200	1200
2024-10-01	1143.5	1161.2	1200	1200
2024-09-01	1143.5	1161.2	1200	1200
2024-08-01	1143.5	1161.2	1200	1200
2024-07-01	1143.5	1161.2	1200	1200
2024-06-01	1143.5	1161.2	1200	1200
2024-08-01	1143.5	1161.2	1200	1200
2024-04-01	1143.5	1161.2	1200	1200
2024-03-01	1143.5	1161.2	1200	1200
2024-02-01	1068.5	1070.8	1200	1200
2024-01-01	1068.5	1070.8	1200	1200
2023-12-01	1068.5	1070.8	1200	1200
2023-11-01	1068.5	1070.8	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	NMBCU Trials 2 2024 (U10)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	0	0	No	Analysis
2	NMBCU Trials 1 2024 (U10)	2024-02-16	2024-02-17	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
3	Eastern Cape Provincial Individual Championship 2023 (U8 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	6	3	Yes	Analysis
4	Eastern Cape Chess Team Championship 2023 (U10)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	0	Yes	Analysis
5	NMBCU Closed 2023 (U8)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
6	NMBCU Trial 4 2023 (U8)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	5	1	Yes	Analysis
7	EP Trials 3 2023 (U8)	2023-05-06	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
8	NMB 2nd Trials 2023 (U8)	2023-03-25	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	0.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament NMBCU Closed 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-10-05	rnd 3	type Standard	result 1
		Opponent Mitchell, N (Nicholas)				Opponent Swart, W (Waldemar)
2	4	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 6	type Standard	result 1
		Opponent Viljoen, C (Colton)				Opponent Barnett, C (Cadain)
3	1	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 7	type Standard	result 1	date 2023-10-05	rnd 7	type Standard	result 1
		Opponent Ndawana, E (Elimiyo)				Opponent Ndawana, E (Elimiyo)

#	Games	Start				End
1	5	Tournament NMBCU Closed 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-10-05	rnd 3	type Standard	result 1
		Opponent Mitchell, N (Nicholas)				Opponent Swart, W (Waldemar)
2	4	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 6	type Standard	result 1
		Opponent Viljoen, C (Colton)				Opponent Barnett, C (Cadain)
3	1	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 7	type Standard	result 1	date 2023-10-05	rnd 7	type Standard	result 1
		Opponent Ndawana, E (Elimiyo)				Opponent Ndawana, E (Elimiyo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 6	type Standard	result 1
		Opponent Viljoen, C (Colton)				Opponent Barnett, C (Cadain)
2	2	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 2	type Standard	result 1	date 2023-10-05	rnd 3	type Standard	result 1
		Opponent Lotter, F (Francois Daniel)				Opponent Swart, W (Waldemar)
3	1	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 7	type Standard	result 1	date 2023-10-05	rnd 7	type Standard	result 1
		Opponent Ndawana, E (Elimiyo)				Opponent Ndawana, E (Elimiyo)

#	Games	Start				End
1	4	Tournament NMBCU Trials 1 2024				Tournament NMBCU Trials 1 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 6	type Standard	result 1
		Opponent Viljoen, C (Colton)				Opponent Barnett, C (Cadain)
2	2	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 2	type Standard	result 1	date 2023-10-05	rnd 3	type Standard	result 1
		Opponent Lotter, F (Francois Daniel)				Opponent Swart, W (Waldemar)
3	1	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 7	type Standard	result 1	date 2023-10-05	rnd 7	type Standard	result 1
		Opponent Ndawana, E (Elimiyo)				Opponent Ndawana, E (Elimiyo)

No games found.

#	Games	Start				End

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	Kritzinger ,A (Adrian)	5	0	-425	5	0	-425	0	0	0	0	0	0
1	Kritzinger ,A (Adrian)	5	1310	885	5	1315.9	885	0	0	0	0	0	0
2	Viljoen ,C (Colton)	5	3	85	5	3	85	0	0	0	0	0	0
2	Viljoen ,C (Colton)	5	1129.7	1214.7	5	1118.6	1214.7	0	0	0	0	0	0
3	Celliers ,M (Morgan)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
3	Celliers ,M (Morgan)	4	1275.3	956.6	4	1285.4	956.6	0	0	0	0	0	0
4	Mitchell ,N (Nicholas)	4	2	0	4	2	0	0	0	0	0	0	0
4	Mitchell ,N (Nicholas)	4	1192.2	1192.2	4	1194.4	1192.2	0	0	0	0	0	0
5	Kapp ,A (Amelie)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
5	Kapp ,A (Amelie)	3	1169.1	885.8	3	1175.3	885.8	0	0	0	0	0	0
6	Duvenage ,B (Bendre)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Duvenage ,B (Bendre)	1	1267.6	842.6	1	1297.8	842.6	0	0	0	0	0	0
7	Swart ,W (Waldemar)	1	1	425	1	1	425	0	0	0	0	0	0
7	Swart ,W (Waldemar)	1	1385	1810	1	1407.7	1810	0	0	0	0	0	0
8	Mjojo ,A (Akhumzi)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mjojo ,A (Akhumzi)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Swanepoel ,B (Bijan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Swanepoel ,B (Bijan)	1	1271.3	846.3	1	1312.7	846.3	0	0	0	0	0	0
10	Lotter ,F (Francois Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
10	Lotter ,F (Francois Daniel)	1	1096.9	1521.9	1	1105.6	1521.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coltman, A (Ariana)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms