Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, H (Hanroux)

Chess SA id

1160309247

FIDE id

Date of birth

2016-02-08 (U10)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

68.7

Junior GPX Points

1134.3

Item	Main	Standard	Rapid	Blitz
Rating	1265.4	1304	1163.3	1199.4
Raw rating	1265.4	1304	1163.2	1199.4
Weighted rating	1208.4	1235.2	1163.3	1199.4
Weighted performance	1230.6	1256.8	0	0
Floor	775	880.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.1	143	174.7	165.9
Highest rating	1275 2025-08-01	1380.2 2025-08-01	1200 2024-11-01	1200 2024-10-01
Highest raw rating	1275 2025-08-01	1380.2 2025-08-01	1200 2024-08-01	1200 2024-10-01
Highest weighted rating	1262.7 2024-11-01	1235.2 2025-09-30	1200 2024-11-01	1200 2024-10-01
Highest weighted performance	1231.9 2025-08-01	1380.2 2024-10-01	1200 2024-12-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.1	0
New rating	1265.4	1304	1163.2	1199.4
Analysis
Rating	1265.4	1304	1163.3	1199.4
Raw rating	1265.4	1304	1163.2	1199.4
Weighted rating	1208.4	1235.2	1163.3
Weighted performance	1230.6	1256.8	0
K-factor	36	36	36	36
Floor	775	880.2	700	700
Max/Min rating change allowed	151.1	143	174.7	165.9
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	1265.4	1304	1163.2	1199.4
New weighted rating	1213.6	1242	1162.6	1199.4
New weighted performance	1230.2	1256.4	0	0
Temp new rating	1265.4	1304	1163.2	1199.4
Temp new rating +/-	0	0	-0.1	0
Final new rating +/-	0	0	-0.1	0
New rating	1265.4	1304	1163.2	1199.4
New K-factor	36	36	36	36
New floor	775	880.2	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	81	59	16	6
	10	5	5	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	91	64	21	6

Games since
	Main 91	Standard 64		Rapid 21		Blitz 6
Gender	Male
Age group	U10
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	3483		461		157
Male	2705		378		131
U10	310		34		14
U10 Male	246		25		10
Standard
	RSA		Province		Region
Overall	3020		419		143
Male	2381		347		118
U10	245		32		14
U10 Male	200		25		10
Rapid
	RSA		Province		Region
Overall	1777		122		31
Male	1346		93		25
U10	180		11		2
U10 Male	130		8		2
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	81	32.5	40.12	-84	1265.9	1181.9
Standard	59	27.5	46.61	-28.8	1268.5	1239.7
Rapid	16	4	25	-212.5	1261.4	1048.9
Blitz	6	1	16.67	-283.3	1252	968.7
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	91	35	38.46	-98.1	1258.1	1160.1
Standard	64	29	45.31	-39.8	1264.1	1224.2
Rapid	21	5	23.81	-222.6	1241.8	1019.2
Blitz	6	1	16.67	-283.3	1252	968.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1265.4	1304	1163.2	1199.4
2025-09-01	1257.2	1312	1163.2	1199.4
2025-08-01	1275	1380.2	1163.2	1199.4
2025-07-01	1262.7	1312.8	1164.1	1199.4
2025-06-01	1230	1243.1	1166.9	1199.4
2025-05-01	1179.8	1191	1163.5	1199.1
2025-04-01	1182.1	1192.3	1170.3	1194.1
2025-03-01	1181.2	1190.1	1170.3	1200
2025-02-01	1181.7	1191.3	1168.2	1200
2025-01-01	1144.6	1162	1126	1200
2024-12-01	1144.6	1162	1126	1200
2024-11-01	1172.1	1200	1126	1200
2024-10-01	1172.1	1200	1126	1200
2024-09-01	1172.1	1200	1126	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
2	UCC Championship 2025 (B)	2025-07-22	2025-08-19	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
3	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
4	UCC Rapid July 2025	2025-07-08	2025-07-15	Rapid	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
5	Eastern Cape Inter-Regional Team Chess Championship 2025 (U10)	2025-07-10	2025-07-10	Standard	Amathole (EAL)	5	3	2.5	Yes	Analysis
6	UCC Rapid May 2025	2025-05-27	2025-06-17	Rapid	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
7	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
8	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
9	UCC Presidential Cup 2025 (B)	2025-04-08	2025-05-06	Standard	Nelson Mandela Bay (ENM)	5	3	2	Yes	Analysis
10	Karen Ashworth 2025 (C)	2025-04-26	2025-04-26	Standard	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis
11	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
12	UCC Rapid Mar/Apr 2025	2025-03-18	2025-04-01	Rapid	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis
13	UCC Blitz March 2025	2025-03-04	2025-03-11	Blitz	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis
14	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
15	UCC Strategic Moves 2025 (B)	2025-02-28	2025-03-01	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
16	Uitenhage Chess Club Protea Cup 2025 (B)	2025-01-28	2025-02-25	Standard	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
2	UCC Championship 2025 (B)	2025-07-22	2025-08-19	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
3	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
4	UCC Rapid July 2025	2025-07-08	2025-07-15	Rapid	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
5	Eastern Cape Inter-Regional Team Chess Championship 2025 (U10)	2025-07-10	2025-07-10	Standard	Amathole (EAL)	5	3	2.5	Yes	Analysis
6	UCC Rapid May 2025	2025-05-27	2025-06-17	Rapid	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
7	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
8	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
9	UCC Presidential Cup 2025 (B)	2025-04-08	2025-05-06	Standard	Nelson Mandela Bay (ENM)	5	3	2	Yes	Analysis
10	Karen Ashworth 2025 (C)	2025-04-26	2025-04-26	Standard	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis
11	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
12	UCC Rapid Mar/Apr 2025	2025-03-18	2025-04-01	Rapid	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis
13	UCC Blitz March 2025	2025-03-04	2025-03-11	Blitz	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis
14	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
15	UCC Strategic Moves 2025 (B)	2025-02-28	2025-03-01	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
16	Uitenhage Chess Club Protea Cup 2025 (B)	2025-01-28	2025-02-25	Standard	Nelson Mandela Bay (ENM)	5	4	1	Yes	Analysis
17	UCC Club Champs 2024 (B)	2024-10-08	2024-11-05	Standard	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis
18	UCC Blitz July 2024 (B)	2024-07-30	2024-08-06	Rapid	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament UCC Rapid July 2025				Tournament Eastern Cape Inter-Regional Team Chess Championship 2025
		date 2025-07-08	rnd 3	type Rapid	result 1	date 2025-07-10	rnd 3	type Standard	result 1
		Opponent Geyer, M (Mia)				Opponent Moore, R (Righard)
2	4	Tournament NMBCU Closed 2025				Tournament NMBCU Closed 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 5	type Standard	result 1
		Opponent Smith, A (Ayden)				Opponent Sizani, I (Iviwe)
3	3	Tournament NMBCU Trial 4 2025				Tournament NMBCU Trial 4 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent John, Z (Zayden)

#	Games	Start				End
1	4	Tournament NMBCU Closed 2025				Tournament NMBCU Closed 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 5	type Standard	result 1
		Opponent Smith, A (Ayden)				Opponent Sizani, I (Iviwe)
2	3	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Team Chess Championship 2025
		date 2025-07-10	rnd 1	type Standard	result 1	date 2025-07-10	rnd 3	type Standard	result 1
		Opponent Mgudlwa, O (Okuhle)				Opponent Moore, R (Righard)
3	3	Tournament NMBCU Trial 4 2025				Tournament NMBCU Trial 4 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent John, Z (Zayden)

#	Games	Start				End
1	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-15	rnd 6	type Rapid	result 1	date 2025-07-15	rnd 6	type Rapid	result 1
		Opponent Greeff, N (Nathan)				Opponent Greeff, N (Nathan)
2	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-08	rnd 3	type Rapid	result 1	date 2025-07-08	rnd 3	type Rapid	result 1
		Opponent Geyer, M (Mia)				Opponent Geyer, M (Mia)
3	1	Tournament UCC Rapid May 2025				Tournament UCC Rapid May 2025
		date 2025-05-27	rnd 2	type Rapid	result 1	date 2025-05-27	rnd 2	type Rapid	result 1
		Opponent Tiry, A (Ahmed Husayn)				Opponent Tiry, A (Ahmed Husayn)

#	Games	Start				End
1	1	Tournament UCC Blitz March 2025				Tournament UCC Blitz March 2025
		date 2025-03-11	rnd 5	type Blitz	result 1	date 2025-03-11	rnd 5	type Blitz	result 1
		Opponent Andrews, T (Timothy)				Opponent Andrews, T (Timothy)

#	Games	Start				End
1	4	Tournament NMBCU Closed 2025				Tournament NMBCU Closed 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 5	type Standard	result 1
		Opponent Smith, A (Ayden)				Opponent Sizani, I (Iviwe)
2	3	Tournament NMBCU Trial 4 2025				Tournament NMBCU Trial 4 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent John, Z (Zayden)
3	2	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Smith, A (Ayden)				Opponent Duvenage, B (Bendre)

#	Games	Start				End
1	4	Tournament NMBCU Closed 2025				Tournament NMBCU Closed 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 5	type Standard	result 1
		Opponent Smith, A (Ayden)				Opponent Sizani, I (Iviwe)
2	3	Tournament NMBCU Trial 4 2025				Tournament NMBCU Trial 4 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent John, Z (Zayden)
3	2	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Smith, A (Ayden)				Opponent Duvenage, B (Bendre)

#	Games	Start				End
1	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-15	rnd 6	type Rapid	result 1	date 2025-07-15	rnd 6	type Rapid	result 1
		Opponent Greeff, N (Nathan)				Opponent Greeff, N (Nathan)
2	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-08	rnd 3	type Rapid	result 1	date 2025-07-08	rnd 3	type Rapid	result 1
		Opponent Geyer, M (Mia)				Opponent Geyer, M (Mia)
3	1	Tournament UCC Rapid May 2025				Tournament UCC Rapid May 2025
		date 2025-05-27	rnd 2	type Rapid	result 1	date 2025-05-27	rnd 2	type Rapid	result 1
		Opponent Tiry, A (Ahmed Husayn)				Opponent Tiry, A (Ahmed Husayn)

#	Games	Start				End
1	1	Tournament UCC Blitz March 2025				Tournament UCC Blitz March 2025
		date 2025-03-11	rnd 5	type Blitz	result 1	date 2025-03-11	rnd 5	type Blitz	result 1
		Opponent Andrews, T (Timothy)				Opponent Andrews, T (Timothy)

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	Van Huyssteen ,Z (Zani)	4	4	425	4	4	425	0	0	0	0	0	0
1	Van Huyssteen ,Z (Zani)	4	1193.4	1618.4	4	1192	1618.4	0	0	0	0	0	0
2	Smith ,A (Ayden)	4	3	212.5	3	3	425	1	0	-425	0	0	0
2	Smith ,A (Ayden)	4	1170.1	1382.6	3	1163.4	1595.1	1	1220.6	745.1	0	0	0
3	Van Huyssteen ,N (Nathan)	4	1.5	-106.2	1	0.5	0	2	1	0	1	0	-425
3	Van Huyssteen ,N (Nathan)	4	1160.9	1054.7	1	1117.2	1160.9	2	1176.7	1160.9	1	1200	735.9
4	John ,Z (Zayden)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	John ,Z (Zayden)	3	1213	1071.4	3	1214.5	1071.4	0	0	0	0	0	0
5	Armstrong ,K (Kristin)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Armstrong ,K (Kristin)	3	1250.4	1108.7	3	1250.3	1108.7	0	0	0	0	0	0
6	Sizani ,I (Iviwe)	3	3	425	3	3	425	0	0	0	0	0	0
6	Sizani ,I (Iviwe)	3	1261.5	1686.5	3	1232.3	1686.5	0	0	0	0	0	0
7	Bosch ,R (Rayhaan)	3	0	-425	2	0	-425	1	0	-425	0	0	0
7	Bosch ,R (Rayhaan)	3	1205.4	780.4	2	1228.1	780.4	1	1140.4	780.4	0	0	0
8	Smile ,O (Osakhe)	3	0	-425	1	0	-425	2	0	-425	0	0	0
8	Smile ,O (Osakhe)	3	1162.7	737.7	1	1186	737.7	2	1077.7	737.7	0	0	0
9	Moore ,R (Righard)	2	2	425	2	2	425	0	0	0	0	0	0
9	Moore ,R (Righard)	2	1191.4	1616.4	2	1199.7	1616.4	0	0	0	0	0	0
10	Mitchell ,N (Nicholas)	2	1	0	2	1	0	0	0	0	0	0	0
10	Mitchell ,N (Nicholas)	2	1234.1	1234.1	2	1218.2	1234.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzer, H (Hanroux)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms