Chess South Africa Ratings Database

PLAYER PAGE

Personal

Groenewald, C (Christiaan)

Chess SA id

1130137104

FIDE id

Date of birth

2013-07-02 (U14)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1249.8

Item	Main	Standard	Rapid	Blitz
Rating	1367.3	1362.7	1248	1200
Raw rating	1367.3	1362.7	1248	1200
Weighted rating	1306.7	1295.5	1228.4	1200
Weighted performance	1215.5	1200.4	1135.6	0
Floor	867.3	862.7	748	700
K-factor	36	36	36	36
Min/Max rating change allowed	130.7	131.5	154.9	165.8
Highest rating	1367.3 2025-09-30	1362.7 2025-09-30	1248 2025-03-01	1200 2018-10-01
Highest raw rating	1367.3 2025-09-30	1362.7 2025-09-30	1248 2025-03-01	1200 2024-02-01
Highest weighted rating	1306.7 2025-09-30	1295.5 2025-09-30	1248 2018-10-01	1200 2018-10-01
Highest weighted performance	1321.9 2025-03-01	1308.4 2024-07-01	1228.3 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1367.3	1362.7	1248	1200
Analysis
Rating	1367.3	1362.7	1248	1200
Raw rating	1367.3	1362.7	1248	1200
Weighted rating	1306.7	1295.5	1228.4
Weighted performance	1215.5	1200.4	1135.6
K-factor	36	36	36	36
Floor	867.3	862.7	748	700
Max/Min rating change allowed	130.7	131.5	154.9	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	1367.3	1362.7	1248	1200
New weighted rating	1313.3	1302.2	1231.1	1200
New weighted performance	1215.1	1200	1135.1	0
Temp new rating	1367.3	1362.7	1248	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1367.3	1362.7	1248	1200
New K-factor	36	36	36	36
New floor	867.3	862.7	748	700

Item	Main	Standard	Rapid
	0	0	0
	27	15	12
	39	22	17
	27	15	12
	11	11	0
	0	0	0
History	104	63	41

Games since
	Main 66	Standard 37		Rapid 29		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2493		779		57
Male	2031		593		38
U14	417		135		11
U14 Male	312		92		7
Standard
	RSA		Province		Region
Overall	2445		688		39
Male	1980		514		28
U14	428		128		8
U14 Male	317		83		5
Rapid
	RSA		Province		Region
Overall	1363		691		90
Male	1082		531		58
U14	296		158		21
U14 Male	210		111		12
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	27	16	59.26	78.7	1295.9	1374.6
Standard	15	9.5	63.33	113.3	1326.2	1439.5
Rapid	12	6.5	54.17	35.4	1258	1293.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	104	53.5	51.44	12.3	1280.7	1293
Standard	63	34.5	54.76	40.5	1284.4	1324.8
Rapid	41	19	46.34	-31.1	1275.1	1244
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1367.3	1362.7	1248	1200
2025-09-01	1332	1318.4	1248	1200
2025-08-01	1320.1	1303.2	1248	1200
2025-07-01	1320.1	1303.2	1248	1200
2025-06-01	1320.1	1303.2	1248	1200
2025-05-01	1312.5	1295.2	1248	1200
2025-04-01	1312.5	1295.2	1248	1200
2025-03-01	1302.1	1286.1	1248	1200
2025-02-01	1305.7	1286.1	1228.4	1200
2025-01-01	1305.7	1286.1	1228.4	1200
2024-12-01	1305.7	1286.1	1228.4	1200
2024-11-01	1305.7	1286.1	1228.4	1200
2024-10-01	1305.7	1286.1	1228.4	1200
2024-09-01	1300.9	1297.6	1186.4	1200
2024-08-01	1300.9	1297.6	1186.4	1200
2024-07-01	1282.1	1283.9	1186.4	1200
2024-06-01	1269.1	1283.9	1150.4	1200
2024-08-01	1213.5	1238.9	1150.4	1200
2024-04-01	1233.1	1238.9	1191.2	1200
2024-03-01	1226.8	1236	1191.2	1200
2024-02-01	1226.8	1236	1191.2	1200
2024-01-01	1226.8	1236	1191.2	1200
2023-12-01	1226.8	1236	1191.2	1200
2023-11-01	1226.8	1236	1191.2	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 Schools - Top Schools 2025 (U13)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	3	3	Yes	Analysis
2	Overberg Top Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	1	1	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
4	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
5	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U13)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	3	3	Yes	Analysis
2	Overberg Top Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	1	1	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
4	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
5	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
7	Kingsway Chess Open 2024 (U12)	2024-09-14	2024-09-14	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
8	Western Cape Top Schools Championship 2024 (U11 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	2	Yes	Analysis
9	Overberg Schools - Top Schools 2024 (U11 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
10	Western Cape - Kings and Queens 2024 (Boys)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	5	4	2	Yes	Analysis
11	Western Cape PS Individuals Championship 2024 (U11 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
12	Hermanus Chess Club Open 2024 (Intermediate)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	2	Yes	Analysis
13	Overberg Schools - PS Closed 2024 (U11 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
14	Overberg Top Schools 2023 (U11)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	4	4	Yes	Analysis
15	Western Cape PS Individuals 2023 (U11 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
16	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
17	Overberg School Chess Closed Tournament 2023 (U11 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
18	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
19	Western Cape Schools 2022 (U9 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
20	Overberg Primary Schools Closed 2022 (U9 Boys)	2022-03-12	2022-03-12	Standard	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Maharaj, S (Sanshrey Kumar)				Opponent Lun, S (Samuel)
2	4	Tournament Western Cape - Kings and Queens 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-06-08	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Kuypers, P (Parker)				Opponent Nel, K (Kuhle)
3	4	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-05	rnd 6	type Standard	result 1
		Opponent De Villiers, M (Malan)				Opponent Steenberg, H (Hendre)

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals Championship 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent De Villiers, M (Malan)				Opponent Nel, K (Kuhle)
2	5	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Maharaj, S (Sanshrey Kumar)				Opponent Lun, S (Samuel)
3	4	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Sibanda, S (Shammar)				Opponent Els, C (Chelsey)

#	Games	Start				End
1	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-01	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Booysen, J (Joseph)				Opponent Weideman, M (Matthew)
2	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 2	type Rapid	result 1	date 2025-02-01	rnd 4	type Rapid	result 1
		Opponent Otto, J (Johanne)				Opponent Davids, J (Jordan)
3	3	Tournament Kingsway Chess Open 2024				Tournament Kingsway Chess Open 2024
		date 2024-09-14	rnd 3	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Mdaka, A (Asenathi)				Opponent Mpanga, T (Thiado)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Maharaj, S (Sanshrey Kumar)				Opponent Lun, S (Samuel)
2	4	Tournament Western Cape - Kings and Queens 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-06-08	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Kuypers, P (Parker)				Opponent Nel, K (Kuhle)
3	4	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-05	rnd 6	type Standard	result 1
		Opponent De Villiers, M (Malan)				Opponent Steenberg, H (Hendre)

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals Championship 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent De Villiers, M (Malan)				Opponent Nel, K (Kuhle)
2	5	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Maharaj, S (Sanshrey Kumar)				Opponent Lun, S (Samuel)
3	4	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Sibanda, S (Shammar)				Opponent Els, C (Chelsey)

#	Games	Start				End
1	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-01	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Booysen, J (Joseph)				Opponent Weideman, M (Matthew)
2	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 2	type Rapid	result 1	date 2025-02-01	rnd 4	type Rapid	result 1
		Opponent Otto, J (Johanne)				Opponent Davids, J (Jordan)
3	3	Tournament Kingsway Chess Open 2024				Tournament Kingsway Chess Open 2024
		date 2024-09-14	rnd 3	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Mdaka, A (Asenathi)				Opponent Mpanga, T (Thiado)

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	Otto ,T (Taylor)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
1	Otto ,T (Taylor)	4	1341.2	1447.4	4	1269.6	1447.4	0	0	0	0	0	0
2	Van Der Walt ,T (Tristan)	4	0	-425	2	0	-425	2	0	-425	0	0	0
2	Van Der Walt ,T (Tristan)	4	1262.2	837.2	2	1141.8	837.2	2	1319.2	837.2	0	0	0
3	Koert ,D (Dane)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
3	Koert ,D (Dane)	3	1386.9	1245.3	2	1402.2	961.9	1	1338.5	1811.9	0	0	0
4	Barnard ,C (Charel)	3	0.5	-283.3	2	0	-425	1	0.5	0	0	0	0
4	Barnard ,C (Charel)	3	1330	1046.7	2	1220.8	905	1	1347.9	1330	0	0	0
5	Knapp ,L (Liam)	3	0	-425	2	0	-425	1	0	-425	0	0	0
5	Knapp ,L (Liam)	3	1284.2	859.2	2	1299.9	859.2	1	1200	859.2	0	0	0
6	Von Heiniz ,D (Daniel)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Von Heiniz ,D (Daniel)	2	1356.2	931.2	2	1327.6	931.2	0	0	0	0	0	0
7	Spies ,F (Fanie)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Spies ,F (Fanie)	2	1551.6	1126.6	1	1559.6	1126.6	1	1200	1126.6	0	0	0
8	Vanqa ,L (Lelomso)	2	1	0	1	1	425	1	0	-425	0	0	0
8	Vanqa ,L (Lelomso)	2	1204.5	1204.5	1	1173.6	1629.5	1	1211.6	779.5	0	0	0
9	Muller ,A (Andreas)	2	1	0	1	0	-425	1	1	425	0	0	0
9	Muller ,A (Andreas)	2	1195.3	1195.3	1	1160	770.3	1	1200	1620.3	0	0	0
10	Els ,C (Chelsey)	2	2	425	1	1	425	1	1	425	0	0	0
10	Els ,C (Chelsey)	2	1154.4	1579.4	1	1172.8	1579.4	1	1199.8	1579.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Groenewald, C (Christiaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms