Chess South Africa Ratings Database

PLAYER PAGE

Personal

Derksen, C (Chris)

Chess SA id

1130137324

FIDE id

Date of birth

2013-02-18 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1260.7	1252.6	1228.8	1200
Raw rating	1255.9	1248.1	1228.8	1200
Weighted rating	1260.7	1252.6	1228.8	1200
Weighted performance	1033.2	0	0	0
Floor	769.3	760.8	728.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.1	154.8	159.1	165.8
Highest rating	1269.3 2024-03-01	1399.8 2023-06-01	1293.2 2022-02-01	1200 2018-10-01
Highest raw rating	1269.3 2024-03-01	1260.8 2024-03-01	1228.8 2024-02-01	1200 2024-02-01
Highest weighted rating	1261.9 2025-08-01	1253.9 2025-08-01	1228.8 2025-02-01	1200 2018-10-01
Highest weighted performance	1261.5 2023-06-01	1399.8 2023-06-01	1293.2 2022-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.4	-0.4	0	0
New rating	1260.2	1252.2	1228.8	1200
Analysis
Rating	1260.7	1252.6	1228.8	1200
Raw rating	1255.9	1248.1	1228.8	1200
Weighted rating	1260.7	1252.6	1228.8
Weighted performance	1033.2	0	0
K-factor	36	36	36	36
Floor	769.3	760.8	728.8	700
Max/Min rating change allowed	153.1	154.8	159.1	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	1255.9	1248.1	1228.8	1200
New weighted rating	1260.2	1252.2	1228.8	1200
New weighted performance	1025.8	0	0	0
Temp new rating	1260.2	1252.2	1228.8	1200
Temp new rating +/-	-0.4	-0.4	0	0
Final new rating +/-	-0.4	-0.4	0	0
New rating	1260.2	1252.2	1228.8	1200
New K-factor	36	36	36	36
New floor	769.3	760.8	728.8	700

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	11	11	0
	12	6	6
	5	0	5
	0	0	0
History	37	26	11

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	9	4	44.44	-47.2	1291.1	1243.9
Standard	9	4	44.44	-47.2	1291.1	1243.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	19.5	52.7	23	1264.9	1287.9
Standard	26	13.5	51.92	16.3	1280.9	1297.3
Rapid	11	6	54.55	38.6	1227.1	1265.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1255.9	1248.1	1228.8	1200
2025-09-30	1255.9	1248.1	1228.8	1200
2025-09-01	1255.9	1248.1	1228.8	1200
2025-08-01	1261.9	1253.9	1228.8	1200
2025-07-01	1261.9	1253.8	1228.8	1200
2025-06-01	1261.8	1253.7	1228.8	1200
2025-05-01	1261.7	1253.7	1228.8	1200
2025-04-01	1261.5	1253.4	1228.8	1200
2025-03-01	1261.3	1252.6	1228.8	1200
2025-02-01	1262.4	1254.3	1228.8	1200
2025-01-01	1262.4	1254.3	1228.8	1200
2024-12-01	1262.4	1254.3	1228.8	1200
2024-11-01	1262.4	1254.3	1228.8	1200
2024-10-01	1262.4	1254.3	1228.8	1200
2024-09-01	1262.4	1254.3	1228.8	1200
2024-08-01	1262.4	1254.3	1228.8	1200
2024-07-01	1262.4	1254.3	1228.8	1200
2024-09-01	1262.4	1254.3	1228.8	1200
2024-05-01	1262.4	1254.3	1228.8	1200
2024-04-01	1262.4	1254.3	1228.8	1200
2024-03-01	1269.3	1260.8	1228.8	1200
2024-02-01	1257.9	1250.4	1228.8	1200
2024-01-01	1257.9	1250.4	1228.8	1200
2023-12-01	1257.9	1250.4	1228.8	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	Cape Town Metro Top Schools District Central 2025 (U13)	2025-08-02	2025-08-02	Standard	Cape Town (WCT)	5	3	1	Yes	Analysis
2	2025 District Central Schools Chess Individual Trials (U13 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Metro Top Schools District Central 2025 (U13)	2025-08-02	2025-08-02	Standard	Cape Town (WCT)	5	3	1	Yes	Analysis
2	2025 District Central Schools Chess Individual Trials (U13 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
4	CT Metro Central District Schools Chess Individuals Trials 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
5	WP Closed 2023 (U12)	2023-06-16	2023-06-17	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
6	Laerskool Welgemoed Rapid 2023 (U12)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
7	Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10)	2022-02-19	2022-02-19	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament 2025 District Central Schools Chess Individual Trials
		date 2024-03-03	rnd 5	type Standard	result 1	date 2025-01-31	rnd 2	type Standard	result 0.5
		Opponent Kruger, C (Carel)				Opponent Issel, Y (Yaeesh)
2	3	Tournament 2025 District Central Schools Chess Individual Trials				Tournament Cape Town Metro Top Schools District Central 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Van Eden, Y (Yusuf)				Opponent Dude, O (Olwethu)
3	3	Tournament WP Closed 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-06-17	rnd 5	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Landman, L (Lily Rose)				Opponent Smyth, R (Riley Derek)

#	Games	Start				End
1	4	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament 2025 District Central Schools Chess Individual Trials
		date 2024-03-03	rnd 5	type Standard	result 1	date 2025-01-31	rnd 2	type Standard	result 0.5
		Opponent Kruger, C (Carel)				Opponent Issel, Y (Yaeesh)
2	3	Tournament 2025 District Central Schools Chess Individual Trials				Tournament Cape Town Metro Top Schools District Central 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Van Eden, Y (Yusuf)				Opponent Dude, O (Olwethu)
3	3	Tournament WP Closed 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-06-17	rnd 5	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Landman, L (Lily Rose)				Opponent Smyth, R (Riley Derek)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 6	type Rapid	result 1
		Opponent Schronen, H (Heinrich)				Opponent Van Der Merwe, R (Reuben)
2	2	Tournament Laerskool Welgemoed 12th Annual Chess Challenge 2022				Tournament Laerskool Welgemoed 12th Annual Chess Challenge 2022
		date 2022-02-19	rnd 3	type Rapid	result 1	date 2022-02-19	rnd 4	type Rapid	result 1
		Opponent Putter, A (Anton)				Opponent Zenda, K (Khumo)
3	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Juries, G (Gia)				Opponent Juries, G (Gia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament 2025 District Central Schools Chess Individual Trials
		date 2024-03-03	rnd 5	type Standard	result 1	date 2025-01-31	rnd 1	type Standard	result 1
		Opponent Kruger, C (Carel)				Opponent Nqana, T (Tau)
2	3	Tournament WP Closed 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-06-17	rnd 5	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Landman, L (Lily Rose)				Opponent Smyth, R (Riley Derek)
3	2	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Phillips, S (Seth)				Opponent Du Preez, Z (Zolani)

#	Games	Start				End
1	3	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament 2025 District Central Schools Chess Individual Trials
		date 2024-03-03	rnd 5	type Standard	result 1	date 2025-01-31	rnd 1	type Standard	result 1
		Opponent Kruger, C (Carel)				Opponent Nqana, T (Tau)
2	3	Tournament WP Closed 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-06-17	rnd 5	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Landman, L (Lily Rose)				Opponent Smyth, R (Riley Derek)
3	2	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Phillips, S (Seth)				Opponent Du Preez, Z (Zolani)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 6	type Rapid	result 1
		Opponent Schronen, H (Heinrich)				Opponent Van Der Merwe, R (Reuben)
2	2	Tournament Laerskool Welgemoed 12th Annual Chess Challenge 2022				Tournament Laerskool Welgemoed 12th Annual Chess Challenge 2022
		date 2022-02-19	rnd 3	type Rapid	result 1	date 2022-02-19	rnd 4	type Rapid	result 1
		Opponent Putter, A (Anton)				Opponent Zenda, K (Khumo)
3	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Juries, G (Gia)				Opponent Juries, G (Gia)

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	Michaelides ,A (Alexander)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Michaelides ,A (Alexander)	2	1334.6	909.6	2	1278.1	909.6	0	0	0	0	0	0
2	Arendse ,E (Evan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Arendse ,E (Evan)	1	1197.1	772.1	1	1183.2	772.1	0	0	0	0	0	0
3	Sun ,H (Haojia)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Sun ,H (Haojia)	1	1676.9	1251.9	1	1689	1251.9	0	0	0	0	0	0
4	Kruger ,D (Dawid)	1	1	425	1	1	425	0	0	0	0	0	0
4	Kruger ,D (Dawid)	1	1323.9	1748.9	1	1256.9	1748.9	0	0	0	0	0	0
5	Faria ,A (Adam)	1	1	425	1	1	425	0	0	0	0	0	0
5	Faria ,A (Adam)	1	1197.1	1622.1	1	1198	1622.1	0	0	0	0	0	0
6	Muafa ,M (Muhammad Salman)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Muafa ,M (Muhammad Salman)	1	1187.5	1187.5	1	1181.1	1187.5	0	0	0	0	0	0
7	Issel ,Y (Yaeesh)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Issel ,Y (Yaeesh)	1	1331.9	1331.9	1	1303.6	1331.9	0	0	0	0	0	0
8	Kruger ,C (Carel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Kruger ,C (Carel)	1	1218.7	1643.7	1	1220.6	1643.7	0	0	0	0	0	0
9	Meissenheimer ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Meissenheimer ,K (Kyle)	1	1490	1065	1	1349.2	1065	0	0	0	0	0	0
10	Madamombe ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
10	Madamombe ,L (Liam)	1	1158.1	1583.1	1	1185.2	1583.1	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

Derksen, C (Chris)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms