Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Wet, CJ (Christiaan Johannes)

Chess SA id

100006931

FIDE id

Date of birth

2000-06-12 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-10-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1337.9	1335.9	1155	1242.6
Raw rating	1337.9	1335.9	1155	1242.6
Weighted rating	1337.9	1335.9	1155	1242.6
Weighted performance	0	0	0	0
Floor	837.9	835.9	655	742.6
K-factor	36	36	40	36
Min/Max rating change allowed	136.2	136.6	176.8	156.1
Highest rating	1337.9 2024-02-01	1335.9 2024-02-01	1200 2024-02-01	1454.1 2022-10-01
Highest raw rating	1337.9 2024-02-01	1335.9 2024-02-01	1155 2024-02-01	1242.6 2024-02-01
Highest weighted rating	1337.9 2024-10-01	1335.9 2025-02-01	1155 2024-11-01	1242.6 2024-10-01
Highest weighted performance	1332.9 2022-06-01	1332.2 2022-06-01	1200 2024-02-01	1454.1 2022-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1337.9	1335.9	1155	1242.6
Analysis
Rating	1337.9	1335.9	1155	1242.6
Raw rating	1337.9	1335.9	1155	1242.6
Weighted rating	1337.9	1335.9	1155
Weighted performance	0	0	0
K-factor	36	36	40	36
Floor	837.9	835.9	655	742.6
Max/Min rating change allowed	136.2	136.6	176.8	156.1
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	1337.9	1335.9	1155	1242.6
New weighted rating	1337.9	1335.9	1155	1242.6
New weighted performance	0	0	0	0
Temp new rating	1337.9	1335.9	1155	1242.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1337.9	1335.9	1155	1242.6
New K-factor	36	36	40	36
New floor	837.9	835.9	655	742.6

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	12	5	7
	5	5	0
History	198	191	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	26	16.5	63.46	114.4	1341.2	1455.6
Standard	19	11.5	60.53	89.5	1345.6	1435
Rapid	0	0	0	0	0	0
Blitz	7	5	71.43	182.1	1329.2	1511.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1337.9	1335.9	1155	1242.6
2025-09-01	1337.9	1335.9	1155	1242.6
2025-08-01	1337.9	1335.9	1155	1242.6
2025-07-01	1337.9	1335.9	1155	1242.6
2025-06-01	1337.9	1335.9	1155	1242.6
2025-05-01	1337.9	1335.9	1155	1242.6
2025-04-01	1337.9	1335.9	1155	1242.6
2025-03-01	1337.9	1335.9	1155	1242.6
2025-02-01	1337.9	1335.9	1155	1242.6
2025-01-01	1337.9	1335.9	1155	1242.6
2024-12-01	1337.9	1335.9	1155	1242.6
2024-11-01	1337.9	1335.9	1155	1242.6
2024-10-01	1337.9	1335.9	1155	1242.6
2024-09-01	1337.9	1335.9	1155	1242.6
2024-08-01	1337.9	1335.9	1155	1242.6
2024-07-01	1337.9	1335.9	1155	1242.6
2024-06-01	1337.9	1335.9	1155	1242.6
2024-08-01	1337.9	1335.9	1155	1242.6
2024-04-01	1337.9	1335.9	1155	1242.6
2024-03-01	1337.9	1335.9	1155	1242.6
2024-02-01	1337.9	1335.9	1155	1242.6
2024-01-01	1337.9	1335.9	1155	1242.6
2023-12-01	1337.9	1335.9	1155	1242.6
2023-11-01	1337.9	1335.9	1155	1242.6

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	Chessheroes Bazaar Blitz 2022	2022-10-29	2022-10-29	Blitz	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
2	Chessheroes Youth Day 2022 (B)	2022-06-16	2022-06-18	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	Mabaleng Chess Open 2021 (A)	2021-11-27	2021-11-27	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
4	JNW Club - Charterhouse Open 2019 (C)	2019-04-13	2019-04-13	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	JNW Club - Trinityhouse Little Falls Open 2018 (B)	2018-02-16	2018-02-17	Standard	Johannesburg Metro (GJM)	6	4	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Charterhouse Open 2019
		date 2018-02-17	rnd 5	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Potgieter, E (Edward)				Opponent Chinoruma, T (Tawana)
2	5	Tournament Mabaleng Chess Open 2021				Tournament Chessheroes Youth Day 2022
		date 2021-11-27	rnd 5	type Standard	result 0.5	date 2022-06-18	rnd 4	type Standard	result 1
		Opponent Huisamen, BB (Botha)				Opponent Sparks, SJW (Stephen)
3	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 6	type Blitz	result 1	date 2022-10-29	rnd 7	type Blitz	result 1
		Opponent Gouws, D (Duan)				Opponent Chichava, B (Bongani)

#	Games	Start				End
1	6	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Charterhouse Open 2019
		date 2018-02-17	rnd 5	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Potgieter, E (Edward)				Opponent Chinoruma, T (Tawana)
2	5	Tournament Mabaleng Chess Open 2021				Tournament Chessheroes Youth Day 2022
		date 2021-11-27	rnd 5	type Standard	result 0.5	date 2022-06-18	rnd 4	type Standard	result 1
		Opponent Huisamen, BB (Botha)				Opponent Sparks, SJW (Stephen)
3	2	Tournament Mabaleng Chess Open 2021				Tournament Mabaleng Chess Open 2021
		date 2021-11-27	rnd 1	type Standard	result 0.5	date 2021-11-27	rnd 2	type Standard	result 1
		Opponent Mantati, SV (Sebei)				Opponent Snyckers, A (Adam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 6	type Blitz	result 1	date 2022-10-29	rnd 7	type Blitz	result 1
		Opponent Gouws, D (Duan)				Opponent Chichava, B (Bongani)
2	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 1	type Blitz	result 1	date 2022-10-29	rnd 2	type Blitz	result 1
		Opponent Kotsokoane, R (Reotshepile)				Opponent Erasmus, WO (Willem Olivier)
3	1	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 4	type Blitz	result 1	date 2022-10-29	rnd 4	type Blitz	result 1
		Opponent Lin, W (Weihao)				Opponent Lin, W (Weihao)

#	Games	Start				End
1	6	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Charterhouse Open 2019
		date 2018-02-17	rnd 5	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Potgieter, E (Edward)				Opponent Chinoruma, T (Tawana)
2	3	Tournament Chessheroes Youth Day 2022				Tournament Chessheroes Youth Day 2022
		date 2022-06-16	rnd 2	type Standard	result 1	date 2022-06-18	rnd 4	type Standard	result 1
		Opponent Lamont, M (Michael)				Opponent Sparks, SJW (Stephen)
3	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 6	type Blitz	result 1	date 2022-10-29	rnd 7	type Blitz	result 1
		Opponent Gouws, D (Duan)				Opponent Chichava, B (Bongani)

#	Games	Start				End
1	6	Tournament JNW Club - Trinityhouse Little Falls Open 2018				Tournament JNW Club - Charterhouse Open 2019
		date 2018-02-17	rnd 5	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Potgieter, E (Edward)				Opponent Chinoruma, T (Tawana)
2	3	Tournament Chessheroes Youth Day 2022				Tournament Chessheroes Youth Day 2022
		date 2022-06-16	rnd 2	type Standard	result 1	date 2022-06-18	rnd 4	type Standard	result 1
		Opponent Lamont, M (Michael)				Opponent Sparks, SJW (Stephen)
3	1	Tournament Mabaleng Chess Open 2021				Tournament Mabaleng Chess Open 2021
		date 2021-11-27	rnd 2	type Standard	result 1	date 2021-11-27	rnd 2	type Standard	result 1
		Opponent Snyckers, A (Adam)				Opponent Snyckers, A (Adam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 6	type Blitz	result 1	date 2022-10-29	rnd 7	type Blitz	result 1
		Opponent Gouws, D (Duan)				Opponent Chichava, B (Bongani)
2	2	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 1	type Blitz	result 1	date 2022-10-29	rnd 2	type Blitz	result 1
		Opponent Kotsokoane, R (Reotshepile)				Opponent Erasmus, WO (Willem Olivier)
3	1	Tournament Chessheroes Bazaar Blitz 2022				Tournament Chessheroes Bazaar Blitz 2022
		date 2022-10-29	rnd 4	type Blitz	result 1	date 2022-10-29	rnd 4	type Blitz	result 1
		Opponent Lin, W (Weihao)				Opponent Lin, W (Weihao)

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	Theron ,A (Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Theron ,A (Andre)	1	1620.2	1195.2	1	1618.7	1195.2	0	0	0	0	0	0
2	Rust ,A (Alrich)	1	1	425	1	1	425	0	0	0	0	0	0
2	Rust ,A (Alrich)	1	1116.7	1541.7	1	1116.7	1541.7	0	0	0	0	0	0
3	Essop ,R (Rashied)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Essop ,R (Rashied)	1	1463.6	1038.6	1	1467.9	1038.6	0	0	0	0	0	0
4	Horn ,E (Evan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Horn ,E (Evan)	1	1158.6	1583.6	1	1132	1583.6	0	0	0	0	0	0
5	Snyckers ,A (Adam)	1	1	425	1	1	425	0	0	0	0	0	0
5	Snyckers ,A (Adam)	1	1386.6	1811.6	1	1366.7	1811.6	0	0	0	0	0	0
6	Magagula ,R (Raymond)	1	1	425	1	1	425	0	0	0	0	0	0
6	Magagula ,R (Raymond)	1	1720.9	2145.9	1	1735.1	2145.9	0	0	0	0	0	0
7	Potgieter ,E (Edward)	1	1	425	1	1	425	0	0	0	0	0	0
7	Potgieter ,E (Edward)	1	1001.4	1426.4	1	986.4	1426.4	0	0	0	0	0	0
8	Dalakas ,J (John)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Dalakas ,J (John)	1	1158.7	733.7	1	1158.7	733.7	0	0	0	0	0	0
9	Mabusela ,JM (Johannes Manyedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mabusela ,JM (Johannes Manyedi)	1	2179.4	1754.4	1	2175.3	1754.4	0	0	0	0	0	0
10	Donald ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Donald ,R (Ryan)	1	1105.6	680.6	1	1105.6	680.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

De Wet, CJ (Christiaan Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms