Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, C (Cornelis)

Chess SA id

156055907

FIDE id

Date of birth

1956-10-23 (Adult)

Gender

Male

Region

Ngaka Modiri Molema (NNM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1291.5	1287.1	1289.5	1284
Raw rating	1291.5	1287.1	1289.5	1284
Weighted rating	1285.2	1277.4	1289.5	1284
Weighted performance	551.3	0	0	0
Floor	828.6	828.6	828.6	828.6
K-factor	36	36	36	36
Min/Max rating change allowed	145.6	146.5	146	147.1
Highest rating	1328.6 2018-01-01	1328.6 2018-01-01	1328.6 2018-01-01	1328.6 2018-01-01
Highest raw rating	1328.6 2018-01-01	1328.6 2018-01-01	1328.6 2018-01-01	1328.6 2018-01-01
Highest weighted rating	1328.6 2018-01-01	1328.6 2018-01-01	1328.6 2018-01-01	1328.6 2018-01-01
Highest weighted performance	1200 2018-01-01	1253.3 2019-04-01	1200 2018-01-01	1200 2018-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1291.5	1287.1	1289.5	1284
Analysis
Rating	1291.5	1287.1	1289.5	1284
Raw rating	1291.5	1287.1	1289.5	1284
Weighted rating	1285.2	1277.4	1289.5
Weighted performance	551.3	0	0
K-factor	36	36	36	36
Floor	828.6	828.6	828.6	828.6
Max/Min rating change allowed	145.6	146.5	146	147.1
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	1291.5	1287.1	1289.5	1284
New weighted rating	1285.9	1278.4	1289.5	1284
New weighted performance	549.9	0	0	0
Temp new rating	1291.5	1287.1	1289.5	1284
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1291.5	1287.1	1289.5	1284
New K-factor	36	36	36	36
New floor	828.6	828.6	828.6	828.6

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	7	7	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	92	78	9	5

Games since
	Main 7	Standard 7		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ngaka Modiri Molema (NNM)
Province	Northwest (NW)
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	7	4	57.14	60.7	1266	1326.7
Standard	7	4	57.14	60.7	1266	1326.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	34	17.5	51.47	12.5	1207.2	1219.7
Standard	20	11	55	42.5	1180.6	1223.1
Rapid	9	4.5	50	0	1237.3	1237.3
Blitz	5	2	40	-85	1259.7	1174.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1291.5	1287.1	1289.5	1284
2025-09-01	1291.5	1287.1	1289.5	1284
2025-08-01	1291.5	1287.1	1289.5	1284
2025-07-01	1291.5	1287.1	1289.5	1284
2025-06-01	1291.5	1287.1	1289.5	1284
2025-05-01	1281.6	1271.8	1289.5	1284
2025-04-01	1281.6	1271.8	1289.5	1284
2025-03-01	1281.6	1271.8	1289.5	1284
2025-02-01	1281.6	1271.8	1289.5	1284
2025-01-01	1281.6	1271.8	1289.5	1284
2024-12-01	1281.6	1271.8	1289.5	1284
2024-11-01	1281.6	1271.8	1289.5	1284
2024-10-01	1281.6	1271.8	1289.5	1284
2024-09-01	1281.6	1271.8	1289.5	1284
2024-08-01	1281.6	1271.8	1289.5	1284
2024-07-01	1281.6	1271.8	1289.5	1284
2024-06-01	1281.6	1271.8	1289.5	1284
2024-08-01	1281.6	1271.8	1289.5	1284
2024-04-01	1281.6	1271.8	1289.5	1284
2024-03-01	1281.6	1271.8	1289.5	1284
2024-02-01	1281.6	1271.8	1289.5	1284
2024-01-01	1281.6	1271.8	1289.5	1284
2023-12-01	1281.6	1271.8	1284.7	1284
2023-11-01	1281.6	1271.8	1284.7	1284

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	NWU Mahikeng Campus Chess Club League Classic Open 2025	2025-03-01	2025-04-18	Standard	Ngaka Modiri Molema (NNM)	7	7	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	NWU Mahikeng Campus Chess Club League Classic Open 2025	2025-03-01	2025-04-18	Standard	Ngaka Modiri Molema (NNM)	7	7	4	Yes	Analysis
2	2019 Chris Greyling (C)	2019-04-27	2019-04-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	NWU Rapid Tournament 2018	2018-10-28	2018-10-28	Rapid	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis
4	NWU Maf Rapid 2018 (Men)	2018-09-11	2018-09-28	Rapid	Ngaka Modiri Molema (NNM)	5	4	1.5	Yes	Analysis
5	NWU Maf Blitz 2018 (Men)	2018-09-11	2018-09-28	Blitz	Ngaka Modiri Molema (NNM)	5	5	2	Yes	Analysis
6	Varsity League 2018	2018-04-18	2018-05-25	Standard	Ngaka Modiri Molema (NNM)	9	8	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 Chris Greyling				Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025
		date 2019-04-27	rnd 5	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Van Rooy, S (Stephanie)				Opponent Moyo, X (Xolani)
2	3	Tournament 2019 Chris Greyling				Tournament 2019 Chris Greyling
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Erlank, BG (Brandon)				Opponent Nel, A (Armand)
3	3	Tournament Varsity League 2018				Tournament NWU Maf Blitz 2018
		date 2018-05-25	rnd 9	type Standard	result 1	date 2018-09-28	rnd 2	type Blitz	result 1
		Opponent Nontsikelelo, B (Buzo)				Opponent Digwamaje, KD (Kesetselemang)

#	Games	Start				End
1	5	Tournament 2019 Chris Greyling				Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025
		date 2019-04-27	rnd 5	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Van Rooy, S (Stephanie)				Opponent Moyo, X (Xolani)
2	4	Tournament Varsity League 2018				Tournament 2019 Chris Greyling
		date 2018-05-25	rnd 9	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Nontsikelelo, B (Buzo)				Opponent Nel, A (Armand)
3	1	Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025				Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025
		date 2025-04-18	rnd 7	type Standard	result 0.5	date 2025-04-18	rnd 7	type Standard	result 0.5
		Opponent Mbokazi, M (Mbulelo)				Opponent Mbokazi, M (Mbulelo)

#	Games	Start				End
1	2	Tournament NWU Rapid Tournament 2018				Tournament NWU Rapid Tournament 2018
		date 2018-10-28	rnd 3	type Rapid	result 1	date 2018-10-28	rnd 4	type Rapid	result 1
		Opponent Mogapi, O (Ofense)				Opponent Mokoto, T (Tshepo)
2	1	Tournament NWU Rapid Tournament 2018				Tournament NWU Rapid Tournament 2018
		date 2018-10-28	rnd 1	type Rapid	result 1	date 2018-10-28	rnd 1	type Rapid	result 1
		Opponent Mocumi, O (Onalerona)				Opponent Mocumi, O (Onalerona)
3	1	Tournament NWU Maf Rapid 2018				Tournament NWU Maf Rapid 2018
		date 2018-09-28	rnd 4	type Rapid	result 1	date 2018-09-28	rnd 4	type Rapid	result 1
		Opponent Temba, OT (Omolemo)				Opponent Temba, OT (Omolemo)

#	Games	Start				End
1	2	Tournament NWU Maf Blitz 2018				Tournament NWU Maf Blitz 2018
		date 2018-09-28	rnd 1	type Blitz	result 0.5	date 2018-09-28	rnd 2	type Blitz	result 1
		Opponent Mokoroane, G (Given)				Opponent Digwamaje, KD (Kesetselemang)
2	1	Tournament NWU Maf Blitz 2018				Tournament NWU Maf Blitz 2018
		date 2018-09-28	rnd 5	type Blitz	result 0.5	date 2018-09-28	rnd 5	type Blitz	result 0.5
		Opponent Mooki, G (Gomolemo)				Opponent Mooki, G (Gomolemo)

#	Games	Start				End
1	3	Tournament 2019 Chris Greyling				Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025
		date 2019-04-27	rnd 5	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Van Rooy, S (Stephanie)				Opponent Dlomo, W (Wandile)
2	3	Tournament 2019 Chris Greyling				Tournament 2019 Chris Greyling
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Erlank, BG (Brandon)				Opponent Nel, A (Armand)
3	2	Tournament NWU Rapid Tournament 2018				Tournament NWU Rapid Tournament 2018
		date 2018-10-28	rnd 3	type Rapid	result 1	date 2018-10-28	rnd 4	type Rapid	result 1
		Opponent Mogapi, O (Ofense)				Opponent Mokoto, T (Tshepo)

#	Games	Start				End
1	4	Tournament Varsity League 2018				Tournament 2019 Chris Greyling
		date 2018-05-25	rnd 9	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Nontsikelelo, B (Buzo)				Opponent Nel, A (Armand)
2	3	Tournament 2019 Chris Greyling				Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025
		date 2019-04-27	rnd 5	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Van Rooy, S (Stephanie)				Opponent Dlomo, W (Wandile)
3	1	Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025				Tournament NWU Mahikeng Campus Chess Club League Classic Open 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Moyo, X (Xolani)				Opponent Moyo, X (Xolani)

#	Games	Start				End
1	2	Tournament NWU Rapid Tournament 2018				Tournament NWU Rapid Tournament 2018
		date 2018-10-28	rnd 3	type Rapid	result 1	date 2018-10-28	rnd 4	type Rapid	result 1
		Opponent Mogapi, O (Ofense)				Opponent Mokoto, T (Tshepo)
2	1	Tournament NWU Rapid Tournament 2018				Tournament NWU Rapid Tournament 2018
		date 2018-10-28	rnd 1	type Rapid	result 1	date 2018-10-28	rnd 1	type Rapid	result 1
		Opponent Mocumi, O (Onalerona)				Opponent Mocumi, O (Onalerona)
3	1	Tournament NWU Maf Rapid 2018				Tournament NWU Maf Rapid 2018
		date 2018-09-28	rnd 4	type Rapid	result 1	date 2018-09-28	rnd 4	type Rapid	result 1
		Opponent Temba, OT (Omolemo)				Opponent Temba, OT (Omolemo)

#	Games	Start				End
1	1	Tournament NWU Maf Blitz 2018				Tournament NWU Maf Blitz 2018
		date 2018-09-28	rnd 2	type Blitz	result 1	date 2018-09-28	rnd 2	type Blitz	result 1
		Opponent Digwamaje, KD (Kesetselemang)				Opponent Digwamaje, KD (Kesetselemang)

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	Dludlu ,NV (Nhlanhla Victor)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Dludlu ,NV (Nhlanhla Victor)	2	1456	1031	1	1430	1031	1	1430	1031	0	0	0
2	Mooki ,G (Gomolemo)	2	0.5	-212.5	1	0	-425	0	0	0	1	0.5	0
2	Mooki ,G (Gomolemo)	2	1214.9	1002.4	1	1200	789.9	0	0	0	1	1200	1214.9
3	Mokoroane ,G (Given)	2	1	0	0	0	0	1	0.5	0	1	0.5	0
3	Mokoroane ,G (Given)	2	1273.9	1273.9	0	0	0	1	1200	1273.9	1	1200	1273.9
4	Temba ,OT (Omolemo)	2	1	0	0	0	0	1	1	425	1	0	-425
4	Temba ,OT (Omolemo)	2	1289.4	1289.4	0	0	0	1	1155.6	1714.4	1	1155.6	864.4
5	Kethupilwe ,B (Boipelo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kethupilwe ,B (Boipelo)	1	1111	1536	1	1092	1536	0	0	0	0	0	0
6	Mavuso ,T (Thamsanqa)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mavuso ,T (Thamsanqa)	1	1201.1	776.1	1	1200.1	776.1	0	0	0	0	0	0
7	Higgins ,F (Franco)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Higgins ,F (Franco)	1	1420.9	995.9	1	1426	995.9	0	0	0	0	0	0
8	Dlomo ,W (Wandile)	1	1	425	1	1	425	0	0	0	0	0	0
8	Dlomo ,W (Wandile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Mokomela ,O (Olaotse)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mokomela ,O (Olaotse)	1	500	75	1	500	75	0	0	0	0	0	0
10	Bezuidenhout ,DFT (Daniel Frederick Thomas)	1	1	425	1	1	425	0	0	0	0	0	0
10	Bezuidenhout ,DFT (Daniel Frederick Thomas)	1	1206.5	1631.5	1	1200.4	1631.5	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

Coetzer, C (Cornelis)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms