Chess South Africa Ratings Database

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Personal

Coetzer, H (Hanro)

Chess SA id

1140152346

FIDE id

Date of birth

2014-06-24 (U12)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-26

Personal details last changed

1900-01-01

Junior GPX Games

55.7

Junior GPX Points

1329.3

Item	Main	Standard	Rapid	Blitz
Rating	1672.5	1498.8	1606.3	1200
Raw rating	1640.9	1498.8	1601.9	1200
Weighted rating	1499.5	1409.9	1465.9	1200
Weighted performance	1672.5	1486.7	1606.3	0
Floor	1140.9	998.8	1101.9	700
K-factor	28	32	28	36
Min/Max rating change allowed	88.5	108.3	93.5	165.8
Highest rating	1672.5 2025-11-01	1498.8 2025-11-01	1606.3 2025-11-01	1200 2018-10-01
Highest raw rating	1640.9 2025-11-01	1498.8 2025-11-01	1601.9 2025-11-01	1200 2024-03-01
Highest weighted rating	1499.5 2025-11-01	1409.9 2025-11-01	1465.9 2025-11-01	1200 2018-10-01
Highest weighted performance	1672.5 2025-11-01	1486.7 2025-11-01	1606.3 2025-11-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-9.8	0	-4.3	0
New rating	1662.6	1498.8	1601.9	1200
Analysis
Rating	1672.5	1498.8	1606.3	1200
Raw rating	1640.9	1498.8	1601.9	1200
Weighted rating	1499.5	1409.9	1465.9
Weighted performance	1672.5	1486.7	1606.3
K-factor	28	32	28	36
Floor	1140.9	998.8	1101.9	700
Max/Min rating change allowed	88.5	108.3	93.5	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	1640.9	1498.8	1601.9	1200
New weighted rating	1513.8	1418.6	1481	1200
New weighted performance	1662.6	1477.6	1596.7	0
Temp new rating	1662.6	1498.8	1601.9	1200
Temp new rating +/-	-9.8	0	-4.3	0
Final new rating +/-	-9.8	0	-4.3	0
New rating	1662.6	1498.8	1601.9	1200
New K-factor	28	32	28	36
New floor	1140.9	998.8	1101.9	700

Item	Main	Standard	Rapid
	0	0	0
	64	16	48
	66	44	22
	28	22	6
	0	0	0
	0	0	0
History	158	82	76

Games since
	Main 130	Standard 60		Rapid 70		Blitz 0
Gender	Male
Age group	U12
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	372		115		3
Male	348		109		3
U12	17		6		1
U12 Male	15		5		1
Standard
	RSA		Province		Region
Overall	1216		337		12
Male	1037		277		10
U12	127		32		1
U12 Male	91		21		1
Rapid
	RSA		Province		Region
Overall	101		41		2
Male	97		41		2
U12	4		2		1
U12 Male	4		2		1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	64	51.5	80.47	259	1378.8	1637.8
Standard	16	13	81.25	265.6	1378.5	1644.1
Rapid	48	38.5	80.21	256.8	1378.9	1635.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	158	114	72.15	188.3	1310.8	1499.1
Standard	82	55	67.07	145.1	1297.1	1442.2
Rapid	76	59	77.63	234.9	1325.5	1560.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1640.9	1498.8	1601.9	1200
2025-09-30	1579.8	1425.8	1585.9	1200
2025-09-01	1551.7	1425.8	1523.2	1200
2025-08-01	1523.2	1425.8	1459.8	1200
2025-07-01	1563.3	1425.8	1559.2	1200
2025-06-01	1563.3	1425.8	1559.2	1200
2025-05-01	1569.8	1446.2	1510.2	1200
2025-04-01	1569.8	1446.2	1510.2	1200
2025-03-01	1487.7	1387.9	1510.2	1200
2025-02-01	1397.2	1387.9	1371	1200
2025-01-01	1397.2	1387.9	1371	1200
2024-12-01	1416.7	1408.1	1371	1200
2024-11-01	1443.5	1443.6	1371	1200
2024-10-01	1401.8	1373.7	1371	1200
2024-09-01	1402.7	1344.2	1373.9	1200
2024-08-01	1402.7	1344.2	1373.9	1200
2024-07-01	1392.3	1314.7	1373.9	1200
2024-09-01	1367.2	1314.7	1319.2	1200
2024-05-01	1367.2	1314.7	1319.2	1200
2024-04-01	1367.2	1314.7	1319.2	1200
2024-03-01	1418.4	1374.1	1292.9	1200
2024-02-01	1418.4	1374.1	1292.9	1200
2024-01-01	1426.7	1374.1	1282.8	1200
2023-12-01	1426.7	1374.1	1282.8	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	Western Cape Club Championship 2025 (B)	2025-10-25	2025-10-26	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
2	Curro Hermanus Spring Open 2025 (U11 Boys)	2025-10-18	2025-10-18	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
3	Kingsway Chess Open 2025 (U12)	2025-09-20	2025-09-20	Rapid	Overberg (WOS)	6	6	6	Yes	Analysis
4	Kleinmond Chess Club Open 2025 (U12)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	5.5	Yes	Analysis
5	4th Curro Durbanville Rapid Open 2025 (Advanced)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	6	1	Yes	Analysis
6	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	Brave Knights Rapid 2025 (U11)	2025-05-03	2025-05-03	Rapid	Cape Winelands (WCW)	6	6	5.5	Yes	Analysis
8	Overberg Schools - PS Closed 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
9	Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
10	Curro Hermanus Summer Open 2025 (U11)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
11	Overberg Schools & Federation Open 2025 (U11)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	5.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Club Championship 2025 (B)	2025-10-25	2025-10-26	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
2	Curro Hermanus Spring Open 2025 (U11 Boys)	2025-10-18	2025-10-18	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
3	Kingsway Chess Open 2025 (U12)	2025-09-20	2025-09-20	Rapid	Overberg (WOS)	6	6	6	Yes	Analysis
4	Kleinmond Chess Club Open 2025 (U12)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	5.5	Yes	Analysis
5	4th Curro Durbanville Rapid Open 2025 (Advanced)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	6	1	Yes	Analysis
6	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	Brave Knights Rapid 2025 (U11)	2025-05-03	2025-05-03	Rapid	Cape Winelands (WCW)	6	6	5.5	Yes	Analysis
8	Overberg Schools - PS Closed 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
9	Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
10	Curro Hermanus Summer Open 2025 (U11)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
11	Overberg Schools & Federation Open 2025 (U11)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	5.5	Yes	Analysis
12	Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Candidates)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	4	Yes	Analysis
13	Helderberg Chess Club Open 2024 (B)	2024-11-09	2024-11-10	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
14	Strategema Chess October 2024 (U11)	2024-10-05	2024-10-05	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
15	Overberg GP Invitational Day 2 2024 (C)	2024-09-27	2024-09-27	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
16	Overberg GP Invitational Day 1 2024 (C)	2024-09-26	2024-09-26	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
17	Kleinmond Chess Club Open 2024 (U10)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
18	Western Cape Top Schools Championship 2024 (U11 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	3	Yes	Analysis
19	Overberg Schools - Top Schools 2024 (U11 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
20	Western Cape - Brian Raubenheimer Development Tournament 2024 (U11 Boys)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
21	Overberg Schools - PS Closed 2024 (U11 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
22	Overberg Schools - PS Trials Region 3 2024 (U11 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
23	Overberg Open Rapid 2024 (U11)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
24	Western Cape Top Schools 2023 (U9 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	6	Yes	Analysis
25	Overberg Top Schools 2023 (U7+U9)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
26	Western Cape PS Individuals 2023 (U9 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
27	Overberg School Chess Closed Tournament 2023 (U9 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
28	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis

#	Games	Start				End
1	16	Tournament Kleinmond Chess Club Open 2025				Tournament Curro Hermanus Spring Open 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-10-18	rnd 4	type Rapid	result 1
		Opponent Schoeman, A (Alexander)				Opponent Akemdien, A (Alex)
2	13	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Avenant, E (Ethan)				Opponent Rockman Gonzales, K (Kendal)
3	10	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-08	rnd 4	type Rapid	result 1
		Opponent Lourens, P (Pyro)				Opponent Buhr, H (Heinrich)

#	Games	Start				End
1	9	Tournament Overberg GP Invitational Day 2 2024				Tournament Helderberg Chess Club Open 2024
		date 2024-09-27	rnd 5	type Standard	result 0.5	date 2024-11-09	rnd 3	type Standard	result 1
		Opponent Coetzer, R (Rossouw)				Opponent Sprowson, J (James)
2	9	Tournament Overberg Top Schools 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-08-05	rnd 4	type Standard	result 1	date 2024-03-16	rnd 1	type Standard	result 1
		Opponent Monroe, C (Chloe)				Opponent Matthee, L (Luke)
3	7	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Avenant, E (Ethan)				Opponent Rockman Gonzales, K (Kendal)

#	Games	Start				End
1	11	Tournament Kleinmond Chess Club Open 2024				Tournament Curro Hermanus Summer Open 2025
		date 2024-09-07	rnd 6	type Rapid	result 1	date 2025-02-08	rnd 4	type Rapid	result 1
		Opponent Mtiki, S (Sesona)				Opponent Buhr, H (Heinrich)
2	6	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Schoeman, A (Alexander)				Opponent Van Der Walt, T (Tristan)
3	6	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 1	type Rapid	result 1	date 2025-05-03	rnd 6	type Rapid	result 0.5
		Opponent Scholtz, M (Miche)				Opponent Du Preez, A (Anneke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament Overberg Schools - PS Closed 2025				Tournament Brave Knights Rapid 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-05-03	rnd 5	type Rapid	result 1
		Opponent Avenant, E (Ethan)				Opponent Du Toit, S (Shanika)
2	8	Tournament Overberg Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Monroe, C (Chloe)				Opponent Morrison, C (Charlie)
3	6	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Buhr, W (Wilhelm)				Opponent Snyman, V (Van Zyl)

#	Games	Start				End
1	9	Tournament Overberg Top Schools 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-08-05	rnd 4	type Standard	result 1	date 2024-03-16	rnd 1	type Standard	result 1
		Opponent Monroe, C (Chloe)				Opponent Matthee, L (Luke)
2	7	Tournament Overberg Schools - PS Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-05-17	rnd 2	type Standard	result 1
		Opponent Avenant, E (Ethan)				Opponent Rockman Gonzales, K (Kendal)
3	4	Tournament Overberg GP Invitational Day 1 2024				Tournament Overberg GP Invitational Day 2 2024
		date 2024-09-26	rnd 5	type Standard	result 1	date 2024-09-27	rnd 3	type Standard	result 1
		Opponent Fourie, C (Cj)				Opponent Buhr, H (Heinrich)

#	Games	Start				End
1	6	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Buhr, W (Wilhelm)				Opponent Snyman, V (Van Zyl)
2	6	Tournament Overberg Schools & Federation Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-08	rnd 4	type Rapid	result 1
		Opponent Buhr, H (Heinrich)				Opponent Buhr, H (Heinrich)
3	6	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Western Cape - Brian Raubenheimer Development Tournament 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-06-08	rnd 5	type Rapid	result 1
		Opponent Lee, J (Joshua)				Opponent Bekker, T (Thian)

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	Badenhorst ,M (Marinus)	6	4	141.7	2	1	0	4	3	212.5	0	0	0
1	Badenhorst ,M (Marinus)	6	1419.8	1561.5	2	1346.3	1419.8	4	1408.4	1632.3	0	0	0
2	Snyman ,V (Van Zyl)	6	5	283.3	2	2	425	4	3	212.5	0	0	0
2	Snyman ,V (Van Zyl)	6	1404.1	1687.4	2	1303.6	1829.1	4	1389.1	1616.6	0	0	0
3	Snyman ,A (Andre)	6	3.5	70.8	1	0	-425	5	3.5	170	0	0	0
3	Snyman ,A (Andre)	6	1380.2	1451	1	1200	955.2	5	1383.7	1550.2	0	0	0
4	Buhr ,W (Wilhelm)	5	4	255	4	3	212.5	1	1	425	0	0	0
4	Buhr ,W (Wilhelm)	5	1225.2	1480.2	4	1175.7	1437.7	1	1220	1650.2	0	0	0
5	Buhr ,H (Heinrich)	5	4	255	1	1	425	4	3	212.5	0	0	0
5	Buhr ,H (Heinrich)	5	1314.9	1569.9	1	1237.2	1739.9	4	1258.1	1527.4	0	0	0
6	Rock ,A (Albert)	4	4	425	2	2	425	2	2	425	0	0	0
6	Rock ,A (Albert)	4	1199.7	1624.7	2	1236	1624.7	2	1124	1624.7	0	0	0
7	Du Preez ,A (Anneke)	3	0.5	-283.3	2	0	-425	1	0.5	0	0	0	0
7	Du Preez ,A (Anneke)	3	1449.8	1166.5	2	1467.5	1024.8	1	1381.7	1449.8	0	0	0
8	Mtiki ,S (Sesona)	3	3	425	1	1	425	2	2	425	0	0	0
8	Mtiki ,S (Sesona)	3	1203.6	1628.6	1	1176.7	1628.6	2	1226.4	1628.6	0	0	0
9	Otto ,T (Taylor)	3	2	141.7	1	0	-425	2	2	425	0	0	0
9	Otto ,T (Taylor)	3	1323.3	1464.9	1	1124.4	898.3	2	1384	1748.3	0	0	0
10	Nel ,K (Kuhle)	3	2	141.7	1	1	425	2	1	0	0	0	0
10	Nel ,K (Kuhle)	3	1294	1435.6	1	1244.1	1719	2	1260.1	1294	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzer, H (Hanro)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms