Chess South Africa Ratings Database

PLAYER PAGE

Personal

Klein, C (Calvin)

Chess SA id

1060110180

FIDE id

Date of birth

2006-05-08 (U20)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1239.5	1212.7	1213.8	1200
Raw rating	1239.5	1212.7	1213.8	1200
Weighted rating	1234.2	1211	1208.2	1200
Weighted performance	870.9	898.2	890.8	0
Floor	794.7	728.5	789.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.7	162.8	162.6	165.8
Highest rating	1336.5 2023-06-01	1228.5 2024-02-01	1303.5 2023-06-01	1200 2018-10-01
Highest raw rating	1294.7 2023-10-01	1228.5 2024-02-01	1289.9 2023-10-01	1200 2024-02-01
Highest weighted rating	1294.7 2024-04-01	1228.5 2024-08-01	1289.9 2024-02-01	1200 2018-10-01
Highest weighted performance	1336.5 2023-06-01	1219.3 2019-08-01	1303.5 2023-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1239.5	1212.7	1213.8	1200
Analysis
Rating	1239.5	1212.7	1213.8	1200
Raw rating	1239.5	1212.7	1213.8	1200
Weighted rating	1234.2	1211	1208.2
Weighted performance	870.9	898.2	890.8
K-factor	36	36	36	36
Floor	794.7	728.5	789.9	700
Max/Min rating change allowed	156.7	162.8	162.6	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	1239.5	1212.7	1213.8	1200
New weighted rating	1234.1	1210.8	1208.2	1200
New weighted performance	870.5	897.8	890.4	0
Temp new rating	1239.5	1212.7	1213.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1239.5	1212.7	1213.8	1200
New K-factor	36	36	36	36
New floor	794.7	728.5	789.9	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	21	6	15
	41	16	25
	32	22	10
	5	0	5
History	154	73	81

Games since
	Main 26	Standard 6		Rapid 20		Blitz 0
Gender	Male
Age group	U20
Region	West Coast (WCU)
Province	Western Cape (WC)
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	1553		780		193
Male	1209		587		137
U20	103		55		21
U20 Male	88		49		18
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	154	75.5	49.03	-8.3	1222.4	1214.1
Standard	73	35	47.95	-17.5	1229.8	1212.3
Rapid	81	40.5	50	0	1215.7	1215.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1239.5	1212.7	1213.8	1200
2025-09-01	1239.5	1212.7	1213.8	1200
2025-08-01	1239.5	1212.7	1213.8	1200
2025-07-01	1239.5	1212.7	1213.8	1200
2025-06-01	1239.5	1212.7	1213.8	1200
2025-05-01	1239.5	1212.7	1213.8	1200
2025-04-01	1239.5	1212.7	1213.8	1200
2025-03-01	1239.5	1212.7	1213.8	1200
2025-02-01	1238.2	1211.2	1213.4	1200
2025-01-01	1207.4	1191.8	1190.9	1200
2024-12-01	1207.4	1191.8	1190.9	1200
2024-11-01	1207.4	1191.8	1190.9	1200
2024-10-01	1207.4	1191.8	1190.9	1200
2024-09-01	1207.4	1191.8	1190.9	1200
2024-08-01	1231.3	1228.5	1190.9	1200
2024-07-01	1231.3	1228.5	1190.9	1200
2024-06-01	1231.3	1228.5	1190.9	1200
2024-08-01	1255.3	1228.5	1213.9	1200
2024-04-01	1255.3	1228.5	1213.9	1200
2024-03-01	1255.3	1228.5	1213.9	1200
2024-02-01	1284.9	1228.5	1257.1	1200
2024-01-01	1284.9	1228.5	1257.1	1200
2023-12-01	1284.9	1228.5	1257.1	1200
2023-11-01	1284.9	1228.5	1257.1	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	Pedro Booyse Top Schools Championships 2024 (U18)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
2	Lower West Top Schools 2024 (U18)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
3	West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
4	Lower West Coast Schools Chess Prestige 2024 (U18 Boys)	2024-02-17	2024-02-17	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
5	West Coast Primary Schools Grand Challenge League 2023 (High School)	2023-10-21	2023-10-21	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
6	CW Top Schools 2023 (Intermediate)	2023-08-12	2023-08-12	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
7	West Coast Open 2023 (Elite)	2023-05-20	2023-06-03	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
8	Lower West Coast Top Schools Championships 2023 (High School)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
9	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
10	West Coast High School Championships 2023 (U17 Boys)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
11	Lower West Coast High Schools Prestige 2023 (U17 Boys)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
12	West Coast Back To School Rapid (Above 1000)	2023-01-28	2023-01-28	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
13	Clanwilliam Open 2022 (A)	2022-12-10	2022-12-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
14	West Coast Open 2022 (Elite)	2022-11-05	2022-11-05	Standard	West Coast (WCU)	6	6	1	Yes	Analysis
15	Western Cape Top Schools 2022 (U18 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
16	Western Cape Woman`s Championship 2022 (Open)	2022-09-02	2022-09-04	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
17	Onder-Weskus Top Skole 2022 (Hoerskool)	2022-06-04	2022-06-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
18	Western Cape Schools Chess 2022 (U18 Boys)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	3	Yes	Analysis
19	Lower West Coast 2021 (U15 Boys)	2021-04-10	2021-04-10	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
20	West Coast Schools Prestige 2020 (U15 Boys)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
21	Onder Weskus Prestige 2020 (U15 Boys)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
22	Back to School Rapid 2020 (Boys)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
23	West Coast Club Champs 2019 (A)	2019-09-13	2019-09-14	Standard	West Coast (WCU)	5	5	1	Yes	Analysis
24	Western Cape Womans Month Tournament 2019 (C)	2019-08-09	2019-08-11	Standard	West Coast (WCU)	7	7	6	Yes	Analysis
25	Weskus Topskole 2019 (U15)	2019-07-20	2019-07-20	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
26	Weskus Mall Rapid 2019 (U14)	2019-06-15	2019-06-15	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
27	West Coast Open 2019 (C)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
28	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O13 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
29	Onder-Weskus Skole Proewe 2019 (O13 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	7	7	4	Yes	Analysis

#	Games	Start				End
1	6	Tournament Western Cape Schools Chess 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-05-07	rnd 3	type Standard	result 0.5	date 2022-06-04	rnd 2	type Rapid	result 1
		Opponent Fortuin, J (Jemaine)				Opponent Oosthuizen, E (Ewout)
2	5	Tournament Western Cape Womans Month Tournament 2019				Tournament Western Cape Womans Month Tournament 2019
		date 2019-08-09	rnd 1	type Standard	result 1	date 2019-08-10	rnd 5	type Standard	result 1
		Opponent Kroukamp, N (Nicole)				Opponent Kilroe-Smith, I (Isabel)
3	4	Tournament Lower West Coast Top Schools Championships 2023				Tournament CW Top Schools 2023
		date 2023-06-10	rnd 2	type Rapid	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Mqulwana, L (Lethu)				Opponent Coetzee, L (Luche)

#	Games	Start				End
1	6	Tournament West Coast Open 2019				Tournament Western Cape Womans Month Tournament 2019
		date 2019-04-27	rnd 5	type Standard	result 1	date 2019-08-10	rnd 5	type Standard	result 1
		Opponent Lawrence, J (Jedidah)				Opponent Kilroe-Smith, I (Isabel)
2	5	Tournament Western Cape Schools Chess 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-05-07	rnd 3	type Standard	result 0.5	date 2022-09-02	rnd 1	type Standard	result 1
		Opponent Fortuin, J (Jemaine)				Opponent Wilsnach, L (Lishan)
3	3	Tournament West Coast Open 2023				Tournament CW Top Schools 2023
		date 2023-06-03	rnd 4	type Standard	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Davids, C (Cleverton)				Opponent Coetzee, L (Luche)

#	Games	Start				End
1	7	Tournament Lower West Coast High Schools Prestige 2023				Tournament Hermanus Rapid 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 4	type Rapid	result 1
		Opponent Visser, E (Elferdo)				Opponent Livi, Z (Zininsi)
2	4	Tournament Lower West Coast Top Schools Championships 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-06-10	rnd 2	type Rapid	result 1	date 2023-10-21	rnd 1	type Rapid	result 1
		Opponent Mqulwana, L (Lethu)				Opponent Clemitson, A (Alexander)
3	3	Tournament Lower West Coast 2021				Tournament Lower West Coast 2021
		date 2021-04-10	rnd 1	type Rapid	result 1	date 2021-04-10	rnd 3	type Rapid	result 1
		Opponent Filander, J (Jayrin)				Opponent Van Onselen, D (Daniel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Western Cape Womans Month Tournament 2019				Tournament Western Cape Womans Month Tournament 2019
		date 2019-08-09	rnd 1	type Standard	result 1	date 2019-08-10	rnd 5	type Standard	result 1
		Opponent Kroukamp, N (Nicole)				Opponent Kilroe-Smith, I (Isabel)
2	4	Tournament Lower West Coast Top Schools Championships 2023				Tournament CW Top Schools 2023
		date 2023-06-10	rnd 2	type Rapid	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Mqulwana, L (Lethu)				Opponent Coetzee, L (Luche)
3	4	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 4	type Rapid	result 1
		Opponent Truter, J (Jake)				Opponent Livi, Z (Zininsi)

#	Games	Start				End
1	6	Tournament West Coast Open 2019				Tournament Western Cape Womans Month Tournament 2019
		date 2019-04-27	rnd 5	type Standard	result 1	date 2019-08-10	rnd 5	type Standard	result 1
		Opponent Lawrence, J (Jedidah)				Opponent Kilroe-Smith, I (Isabel)
2	3	Tournament West Coast Open 2023				Tournament CW Top Schools 2023
		date 2023-06-03	rnd 4	type Standard	result 1	date 2023-08-12	rnd 1	type Standard	result 1
		Opponent Davids, C (Cleverton)				Opponent Coetzee, L (Luche)
3	3	Tournament Western Cape Schools Chess 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-05-08	rnd 5	type Standard	result 1	date 2022-09-02	rnd 1	type Standard	result 1
		Opponent Don, W (Wian)				Opponent Wilsnach, L (Lishan)

#	Games	Start				End
1	7	Tournament Lower West Coast High Schools Prestige 2023				Tournament Hermanus Rapid 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 4	type Rapid	result 1
		Opponent Visser, E (Elferdo)				Opponent Livi, Z (Zininsi)
2	4	Tournament Lower West Coast Top Schools Championships 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-06-10	rnd 2	type Rapid	result 1	date 2023-10-21	rnd 1	type Rapid	result 1
		Opponent Mqulwana, L (Lethu)				Opponent Clemitson, A (Alexander)
3	3	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 2	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Don, W (Wian)				Opponent Koegelenberg, D (Daniel)

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	Kariem ,S (Shakir)	6	0.5	-354.2	2	0.5	-212.5	4	0	-425	0	0	0
1	Kariem ,S (Shakir)	6	1418.3	1064.1	2	1500.3	1205.8	4	1354.7	993.3	0	0	0
2	Minnaar ,E (Ethan)	5	0.5	-340	2	0.5	-212.5	3	0	-425	0	0	0
2	Minnaar ,E (Ethan)	5	1423.8	1083.8	2	1388.7	1211.3	3	1318.7	998.8	0	0	0
3	Njokweni ,L (Llyabona)	5	0.5	-340	2	0.5	-212.5	3	0	-425	0	0	0
3	Njokweni ,L (Llyabona)	5	1342	1002	2	1359.9	1129.5	3	1322.4	917	0	0	0
4	Visser ,J (Jp)	4	2	0	2	1	0	2	1	0	0	0	0
4	Visser ,J (Jp)	4	851.8	851.8	2	653	851.8	2	713.2	851.8	0	0	0
5	Arendse ,Q (Qlermo)	3	2	141.7	2	1	0	1	1	425	0	0	0
5	Arendse ,Q (Qlermo)	3	1137.8	1279.5	2	1093.2	1137.8	1	1200	1562.8	0	0	0
6	Mitchells ,J (Jamie-Lee)	3	0	-425	2	0	-425	1	0	-425	0	0	0
6	Mitchells ,J (Jamie-Lee)	3	1480.3	1055.3	2	1438	1055.3	1	1411.3	1055.3	0	0	0
7	Clemitson ,A (Alexander)	3	3	425	2	2	425	1	1	425	0	0	0
7	Clemitson ,A (Alexander)	3	1183.7	1608.7	2	1193.2	1608.7	1	1200	1608.7	0	0	0
8	Fillis ,J (Jared)	3	2	141.7	1	0.5	0	2	1.5	212.5	0	0	0
8	Fillis ,J (Jared)	3	1226.4	1368.1	1	1339.2	1226.4	2	881.2	1438.9	0	0	0
9	Filander ,J (Jayrin)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
9	Filander ,J (Jayrin)	3	1184.3	1325.9	0	0	0	3	1144.8	1325.9	0	0	0
10	Cloete ,J (Jayden)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Cloete ,J (Jayden)	2	1301.8	876.8	2	1263.4	876.8	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

Klein, C (Calvin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms