Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, M (Marius)

Chess SA id

104055424

FIDE id

Date of birth

2004-03-25 (Adult)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1238.6	1235.7	949.6	897.9
Raw rating	1238.6	1235.7	949.6	897.9
Weighted rating	1238.6	1235.7	949.6	897.8
Weighted performance	337	336.1	0	0
Floor	738.6	735.7	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	156.9	157.6	236.9	255
Highest rating	1252.3 2020-03-01	1249.3 2020-03-01	1200 2024-02-01	1200 2024-11-01
Highest raw rating	1238.6 2024-02-01	1235.7 2024-02-01	949.6 2024-02-01	949.6 2018-01-01
Highest weighted rating	1238.6 2024-02-01	1235.7 2025-02-01	949.6 2024-11-01	949.6 2024-11-01
Highest weighted performance	1252.3 2020-03-01	1249.3 2020-03-01	1200 2024-02-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1238.6	1235.7	949.6	897.9
Analysis
Rating	1238.6	1235.7	949.6	897.9
Raw rating	1238.6	1235.7	949.6	897.9
Weighted rating	1238.6	1235.7	949.6
Weighted performance	337	336.1	0
K-factor	36	36	40	40
Floor	738.6	735.7	500	500
Max/Min rating change allowed	156.9	157.6	236.9	255
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	1238.6	1235.7	949.6	897.9
New weighted rating	1238.6	1235.7	949.6	897.9
New weighted performance	329.5	328.6	0	0
Temp new rating	1238.6	1235.7	949.6	897.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1238.6	1235.7	949.6	897.9
New K-factor	36	36	40	40
New floor	738.6	735.7	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	206	187	12	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	55	29.5	53.64	30.9	1032.5	1063.4
Standard	48	26.5	55.21	44.3	1075	1119.3
Rapid	0	0	0	0	0	0
Blitz	7	3	42.86	-60.7	741.1	680.4

Date	Main	Standard	Rapid	Blitz
2025-11-01	1238.6	1235.7	949.6	897.9
2025-09-30	1238.6	1235.7	949.6	897.9
2025-09-01	1238.6	1235.7	949.6	897.9
2025-08-01	1238.6	1235.7	949.6	897.9
2025-07-01	1238.6	1235.7	949.6	897.9
2025-06-01	1238.6	1235.7	949.6	897.9
2025-05-01	1238.6	1235.7	949.6	897.9
2025-04-01	1238.6	1235.7	949.6	897.9
2025-03-01	1238.6	1235.7	949.6	897.9
2025-02-01	1238.6	1235.7	949.6	897.9
2025-01-01	1238.6	1235.7	949.6	897.9
2024-12-01	1238.6	1235.7	949.6	897.9
2024-11-01	1238.6	1235.7	949.6	897.9
2024-10-01	1238.6	1235.7	949.6	897.9
2024-09-01	1238.6	1235.7	949.6	897.9
2024-08-01	1238.6	1235.7	949.6	897.9
2024-07-01	1238.6	1235.7	949.6	897.9
2024-09-01	1238.6	1235.7	949.6	897.9
2024-05-01	1238.6	1235.7	949.6	897.9
2024-04-01	1238.6	1235.7	949.6	897.9
2024-03-01	1238.6	1235.7	949.6	897.9
2024-02-01	1238.6	1235.7	949.6	897.9
2024-01-01	1238.6	1235.7	949.6	897.9
2023-12-01	1238.6	1235.7	949.6	863.2

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	Bergvlam Tournament 2020 (U20)	2020-03-14	2020-03-14	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
2	Chess Unlimited Leap Year Tournament 2020 (A)	2020-02-29	2020-02-29	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
3	Uplands 2020 (U18)	2020-01-25	2020-01-25	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
4	South African Junior Team Championships 2018 (U16B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
5	Malelane Primary 2018 (U16 Open)	2018-07-21	2018-07-21	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
6	Curro Age Open 2018 (U16 Open)	2018-05-12	2018-05-12	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
7	Penryn Age Open 2018 (U16 Boys)	2018-04-21	2018-04-21	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
8	Sabie Primary 2018 (A)	2018-03-10	2018-03-10	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
9	South African Junior Blitz 2017 Championships (B)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	7	3	Yes	Analysis
10	South African Junior Team Championships 2017 (U14C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Bergvlam Tournament 2020				Tournament Bergvlam Tournament 2020
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Heinemann, E (Edu)				Opponent Mkhatshwa, L (Lungelo)
2	4	Tournament Chess Unlimited Leap Year Tournament 2020				Tournament Chess Unlimited Leap Year Tournament 2020
		date 2020-02-29	rnd 1	type Standard	result 1	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Khiba, R (Retsepile)				Opponent Mabunda, M (Mizi)
3	3	Tournament Malelane Primary 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-21	rnd 5	type Standard	result 0.5	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Erasmus, H (Hainroux)				Opponent Puttergill, B (Bradley)

#	Games	Start				End
1	4	Tournament Bergvlam Tournament 2020				Tournament Bergvlam Tournament 2020
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Heinemann, E (Edu)				Opponent Mkhatshwa, L (Lungelo)
2	4	Tournament Chess Unlimited Leap Year Tournament 2020				Tournament Chess Unlimited Leap Year Tournament 2020
		date 2020-02-29	rnd 1	type Standard	result 1	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Khiba, R (Retsepile)				Opponent Mabunda, M (Mizi)
3	3	Tournament Malelane Primary 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-21	rnd 5	type Standard	result 0.5	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Erasmus, H (Hainroux)				Opponent Puttergill, B (Bradley)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 2	type Blitz	result 1	date 2018-01-07	rnd 4	type Blitz	result 1
		Opponent Stander, J (Janett)				Opponent Potgieter, J (Juwen)

#	Games	Start				End
1	3	Tournament Sabie Primary 2018				Tournament Penryn Age Open 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Muller, J (Jessica)				Opponent Styger, V (Viktor)
2	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 2	type Blitz	result 1	date 2018-01-07	rnd 4	type Blitz	result 1
		Opponent Stander, J (Janett)				Opponent Potgieter, J (Juwen)
3	2	Tournament Bergvlam Tournament 2020				Tournament Bergvlam Tournament 2020
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Schoeman, D (Dian)				Opponent Mkhatshwa, L (Lungelo)

#	Games	Start				End
1	3	Tournament Sabie Primary 2018				Tournament Penryn Age Open 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Muller, J (Jessica)				Opponent Styger, V (Viktor)
2	2	Tournament Bergvlam Tournament 2020				Tournament Bergvlam Tournament 2020
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Schoeman, D (Dian)				Opponent Mkhatshwa, L (Lungelo)
3	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Khoza, T (Thanduxolo)				Opponent Modise, S (Siphesihle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 2	type Blitz	result 1	date 2018-01-07	rnd 4	type Blitz	result 1
		Opponent Stander, J (Janett)				Opponent Potgieter, J (Juwen)

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	Erasmus ,H (Hainroux)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
1	Erasmus ,H (Hainroux)	4	1024.1	1130.3	4	1023.7	1130.3	0	0	0	0	0	0
2	Lourens ,E (Eugene)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Lourens ,E (Eugene)	2	1216.2	1003.7	2	1214.8	1003.7	0	0	0	0	0	0
3	Onwusaka ,G (Gift)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Onwusaka ,G (Gift)	2	1075.1	650.1	2	1078.8	650.1	0	0	0	0	0	0
4	Mkhatshwa ,L (Lungelo)	2	1	0	2	1	0	0	0	0	0	0	0
4	Mkhatshwa ,L (Lungelo)	2	1279.7	1279.7	2	1280.2	1279.7	0	0	0	0	0	0
5	Taljaard ,Z (Zuan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Taljaard ,Z (Zuan)	2	1043.5	831	2	1047.3	831	0	0	0	0	0	0
6	Mattheus ,D (Dylan)	2	1	0	2	1	0	0	0	0	0	0	0
6	Mattheus ,D (Dylan)	2	1163.5	1163.5	2	1174.8	1163.5	0	0	0	0	0	0
7	Modise ,S (Siphesihle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Modise ,S (Siphesihle)	1	1177.2	1602.2	1	1175.4	1602.2	0	0	0	0	0	0
8	Odendaal ,JPL (Johan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Odendaal ,JPL (Johan)	1	1036.2	611.2	1	1036.2	611.2	0	0	0	0	0	0
9	Cuambe ,H (Hadel)	1	1	425	1	1	425	0	0	0	0	0	0
9	Cuambe ,H (Hadel)	1	1109.6	1534.6	1	1094.8	1534.6	0	0	0	0	0	0
10	Deeuw ,M (Mpho)	1	1	425	1	1	425	0	0	0	0	0	0
10	Deeuw ,M (Mpho)	1	1111.7	1536.7	1	1092.4	1536.7	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

Coetzee, M (Marius)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms