Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, M (Mariska)

Chess SA id

207066856

FIDE id

Date of birth

2007-03-21 (U20)

Gender

Female

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1064.4	1008.4	1210.4	1200
Raw rating	1064.4	1008.4	1210.4	1200
Weighted rating	1064.4	1008.4	1210.4	1200
Weighted performance	264.5	0	0	0
Floor	700	700	710.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	201.2	217.9	163.4	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1259.1 2020-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1210.4 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1210.4 2024-03-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1259.1 2020-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1064.4	1008.4	1210.4	1200
Analysis
Rating	1064.4	1008.4	1210.4	1200
Raw rating	1064.4	1008.4	1210.4	1200
Weighted rating	1064.4	1008.4	1210.4
Weighted performance	264.5	0	0
K-factor	36	36	36	36
Floor	700	700	710.4	700
Max/Min rating change allowed	201.2	217.9	163.4	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	1064.4	1008.4	1210.4	1200
New weighted rating	1064.4	1008.4	1210.4	1200
New weighted performance	264.1	0	0	0
Temp new rating	1064.4	1008.4	1210.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1064.4	1008.4	1210.4	1200
New K-factor	36	36	36	36
New floor	700	700	710.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	31	26	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Capricorn (LCP)
Province	Limpopo (LP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-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	9.5	36.54	-114.4	1103.6	989.2
Standard	21	6.5	30.95	-161.9	1091.5	929.6
Rapid	5	3	60	85	1154.5	1239.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1064.4	1008.4	1210.4	1200
2025-09-01	1064.4	1008.4	1210.4	1200
2025-08-01	1064.4	1008.4	1210.4	1200
2025-07-01	1064.4	1008.4	1210.4	1200
2025-06-01	1064.4	1008.4	1210.4	1200
2025-05-01	1064.4	1008.4	1210.4	1200
2025-04-01	1064.4	1008.4	1210.4	1200
2025-03-01	1064.4	1008.4	1210.4	1200
2025-02-01	1064.4	1008.4	1210.4	1200
2025-01-01	1064.4	1008.4	1210.4	1200
2024-12-01	1064.4	1008.4	1210.4	1200
2024-11-01	1064.4	1008.4	1210.4	1200
2024-10-01	1064.4	1008.4	1210.4	1200
2024-09-01	1064.4	1008.4	1210.4	1200
2024-08-01	1064.4	1008.4	1210.4	1200
2024-07-01	1064.4	1008.4	1210.4	1200
2024-06-01	1064.4	1008.4	1210.4	1200
2024-08-01	1064.4	1008.4	1210.4	1200
2024-04-01	1064.4	1008.4	1210.4	1200
2024-03-01	1064.4	1008.4	1210.4	1200
2024-02-01	1064.4	1008.4	1210.4	1200
2024-01-01	1064.4	1008.4	1210.4	1200
2023-12-01	1064.4	1008.4	1210.4	1200
2023-11-01	1064.4	1008.4	1210.4	1200

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	Swartkop LS Proewe 2020 (U13)	2020-02-21	2020-02-21	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2020 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
3	2019 Swartkop Club Closed Championship (B)	2019-08-01	2019-08-15	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
4	2019 D4 Tshwane South Schools League Team Finals (U13)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	2	0	Yes	Analysis
5	2019 Swartkop Laerskool Juniors Proewe (Seniors)	2019-03-08	2019-03-08	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	2019 D4 Individual Finals (U13 Girls)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2019 Swartkop Club Closed Championship				Tournament 2019 Swartkop Club Closed Championship
		date 2019-08-01	rnd 1	type Standard	result 0.5	date 2019-08-08	rnd 3	type Standard	result 1
		Opponent Kleynhans, V (Victor)				Opponent Gruenenfelder, L (Laker)
2	2	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 1	type Rapid	result 1	date 2020-02-21	rnd 2	type Rapid	result 1
		Opponent Garland, K (Kelly)				Opponent De Beer, K (Kieron)
3	1	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 5	type Rapid	result 1	date 2020-02-21	rnd 5	type Rapid	result 1
		Opponent Liebenberg, K (Karli)				Opponent Liebenberg, K (Karli)

#	Games	Start				End
1	3	Tournament 2019 Swartkop Club Closed Championship				Tournament 2019 Swartkop Club Closed Championship
		date 2019-08-01	rnd 1	type Standard	result 0.5	date 2019-08-08	rnd 3	type Standard	result 1
		Opponent Kleynhans, V (Victor)				Opponent Gruenenfelder, L (Laker)
2	1	Tournament 2020 Registration Tournament				Tournament 2020 Registration Tournament
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Malan, M (Martin Willem)				Opponent Malan, M (Martin Willem)
3	1	Tournament 2019 D4 Individual Finals				Tournament 2019 D4 Individual Finals
		date 2019-03-09	rnd 3	type Standard	result 1	date 2019-03-09	rnd 3	type Standard	result 1
		Opponent Tgholofelo, H (Hlahla)				Opponent Tgholofelo, H (Hlahla)

#	Games	Start				End
1	2	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 1	type Rapid	result 1	date 2020-02-21	rnd 2	type Rapid	result 1
		Opponent Garland, K (Kelly)				Opponent De Beer, K (Kieron)
2	1	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 5	type Rapid	result 1	date 2020-02-21	rnd 5	type Rapid	result 1
		Opponent Liebenberg, K (Karli)				Opponent Liebenberg, K (Karli)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 1	type Rapid	result 1	date 2020-02-21	rnd 2	type Rapid	result 1
		Opponent Garland, K (Kelly)				Opponent De Beer, K (Kieron)
2	2	Tournament 2019 Swartkop Club Closed Championship				Tournament 2019 Swartkop Club Closed Championship
		date 2019-08-01	rnd 2	type Standard	result 1	date 2019-08-08	rnd 3	type Standard	result 1
		Opponent Hammond, A (Alex)				Opponent Gruenenfelder, L (Laker)
3	1	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 5	type Rapid	result 1	date 2020-02-21	rnd 5	type Rapid	result 1
		Opponent Liebenberg, K (Karli)				Opponent Liebenberg, K (Karli)

#	Games	Start				End
1	2	Tournament 2019 Swartkop Club Closed Championship				Tournament 2019 Swartkop Club Closed Championship
		date 2019-08-01	rnd 2	type Standard	result 1	date 2019-08-08	rnd 3	type Standard	result 1
		Opponent Hammond, A (Alex)				Opponent Gruenenfelder, L (Laker)
2	1	Tournament 2020 Registration Tournament				Tournament 2020 Registration Tournament
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Malan, M (Martin Willem)				Opponent Malan, M (Martin Willem)
3	1	Tournament 2019 D4 Individual Finals				Tournament 2019 D4 Individual Finals
		date 2019-03-09	rnd 3	type Standard	result 1	date 2019-03-09	rnd 3	type Standard	result 1
		Opponent Tgholofelo, H (Hlahla)				Opponent Tgholofelo, H (Hlahla)

#	Games	Start				End
1	2	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 1	type Rapid	result 1	date 2020-02-21	rnd 2	type Rapid	result 1
		Opponent Garland, K (Kelly)				Opponent De Beer, K (Kieron)
2	1	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 5	type Rapid	result 1	date 2020-02-21	rnd 5	type Rapid	result 1
		Opponent Liebenberg, K (Karli)				Opponent Liebenberg, K (Karli)

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	De Beer ,K (Kieron)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
1	De Beer ,K (Kieron)	3	1041.7	900	2	997.8	616.7	1	1200	1466.7	0	0	0
2	Liebenberg ,K (Karli)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Liebenberg ,K (Karli)	2	1131.1	1131.1	1	1102	706.1	1	1200	1556.1	0	0	0
3	Potgieter ,A (Albert)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Potgieter ,A (Albert)	2	1158.8	733.8	1	1145.2	733.8	1	1200	733.8	0	0	0
4	Gruenenfelder ,L (Laker)	1	1	425	1	1	425	0	0	0	0	0	0
4	Gruenenfelder ,L (Laker)	1	1180	1605	1	1168	1605	0	0	0	0	0	0
5	Buitendag ,TS (Tristan Serfontein)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Buitendag ,TS (Tristan Serfontein)	1	1269.3	844.3	1	1262.4	844.3	0	0	0	0	0	0
6	Dvir ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Dvir ,J (Jordan)	1	1041.8	616.8	1	1041.2	616.8	0	0	0	0	0	0
7	Van Zyl ,G (Gabby)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Zyl ,G (Gabby)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Ferreira ,F (Frederik)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ferreira ,F (Frederik)	1	1071.3	646.3	1	1073.3	646.3	0	0	0	0	0	0
9	Tgholofelo ,H (Hlahla)	1	1	425	1	1	425	0	0	0	0	0	0
9	Tgholofelo ,H (Hlahla)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Stroh ,Z (Zaylee)	1	1	425	1	1	425	0	0	0	0	0	0
10	Stroh ,Z (Zaylee)	1	1200	1625	1	1200	1625	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 (Mariska)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms