Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koekemoer, M (Marko)

Chess SA id

1100140151

FIDE id

Date of birth

2010-09-06 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1460.8	1504.6	1261.9	1200
Raw rating	1452.3	1487.8	1261.8	1200
Weighted rating	1460.8	1504.6	1261.9	1200
Weighted performance	1279	1319.8	0	0
Floor	995.1	1033.5	784.4	700
K-factor	32	32	36	36
Min/Max rating change allowed	115.7	110	151.8	165.8
Highest rating	1516.8 2023-09-01	1539 2023-09-01	1430.7 2023-06-01	1200 2018-10-01
Highest raw rating	1495.1 2023-10-01	1533.5 2023-10-01	1284.4 2024-08-01	1200 2024-02-01
Highest weighted rating	1495.1 2025-04-01	1533.5 2025-05-05	1261.8 2025-08-01	1200 2018-10-01
Highest weighted performance	1516.8 2023-09-01	1539 2023-09-01	1430.7 2023-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.6	-1.2	-0	0
New rating	1460.2	1503.4	1261.9	1200
Analysis
Rating	1460.8	1504.6	1261.9	1200
Raw rating	1452.3	1487.8	1261.8	1200
Weighted rating	1460.8	1504.6	1261.9
Weighted performance	1279	1319.8	0
K-factor	32	32	36	36
Floor	995.1	1033.5	784.4	700
Max/Min rating change allowed	115.7	110	151.8	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	1452.3	1487.8	1261.8	1200
New weighted rating	1460.2	1503.4	1261.9	1200
New weighted performance	1269.9	1310.4	0	0
Temp new rating	1460.2	1503.4	1261.9	1200
Temp new rating +/-	-0.6	-1.2	-0	0
Final new rating +/-	-0.6	-1.2	-0	0
New rating	1460.2	1503.4	1261.9	1200
New K-factor	32	32	36	36
New floor	995.1	1033.5	784.4	700

Item	Main	Standard	Rapid
	0	0	0
	13	13	0
	24	15	9
	39	30	9
	25	25	0
	0	0	0
History	101	83	18

Games since
	Main 37	Standard 28		Rapid 9		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	13	7.5	57.69	65.4	1357.3	1422.7
Standard	13	7.5	57.69	65.4	1357.3	1422.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	101	64	63.37	113.6	1278.7	1392.3
Standard	83	53	63.86	117.8	1277.6	1395.4
Rapid	18	11	61.11	94.4	1283.8	1378.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1452.3	1487.8	1261.8	1200
2025-11-30	1452.3	1487.8	1261.8	1200
2025-11-01	1452.3	1487.8	1261.8	1200
2025-09-30	1464.8	1509.3	1261.8	1200
2025-09-01	1464.8	1509.3	1261.8	1200
2025-08-01	1464.8	1509.3	1261.8	1200
2025-07-01	1464.8	1509	1261.7	1200
2025-06-01	1464.8	1509.8	1261.5	1200
2025-05-01	1464.8	1509.8	1261.2	1200
2025-04-01	1464.8	1509.6	1260.8	1200
2025-03-01	1464.5	1508.9	1260.1	1200
2025-02-01	1463.8	1522.6	1258.9	1200
2025-01-01	1457.4	1522.6	1251.3	1200
2024-12-01	1457.4	1522.6	1251.3	1200
2024-11-01	1457.4	1522.6	1251.3	1200
2024-10-01	1490.8	1522.6	1284.4	1200
2024-09-01	1457.6	1492.2	1284.4	1200
2024-11-01	1457.6	1492.2	1284.4	1200
2024-07-01	1455.2	1489.3	1258.5	1200
2024-06-01	1455.2	1489.3	1258.5	1200
2024-05-01	1455.2	1489.3	1258.5	1200
2024-04-01	1455.2	1489.3	1258.5	1200
2024-03-01	1455.2	1489.3	1258.5	1200
2024-02-01	1455.2	1489.3	1258.5	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	2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
2	D6 HS Teams 2025 (U17)	2025-05-31	2025-05-31	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
3	D6 SH Individual 2025 (U15 Boys)	2025-02-22	2025-02-22	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Gauteng Top Schools 2024 (U15 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
5	2024 D6 Team Finals (U15)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
6	2024 D6 Teams (Pool C U15)	2024-07-20	2024-07-20	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis
7	EN Chess Club Winter Open 2024 (B)	2024-06-29	2024-06-29	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
8	2024 Gauteng Inter-Region Chess Championship (U14A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	Gauteng Soncini Finals 2023 (Boys)	2023-10-28	2023-10-28	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
10	Ekurhuleni Chess Spring Tournament 2023 (D)	2023-09-23	2023-09-23	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
11	Boksburg Chess Club Rapid 2023	2023-06-20	2023-06-20	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis
12	Ekurhuleni Chess Trial 3 2023 (U14)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
13	Gauteng Schools Individual Finals 2023 (U13 Boys)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	Ekurhuleni Trials 2 2023 (U14)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
15	Ekhuruleni Chess Trials 1 2023 (U14)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	Ekurhuleni Springs Open 4 March 2023 (D)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
17	ACB Tournament 2022 (B)	2022-10-08	2022-10-08	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
18	Ekurhuleni Chess Springs Club Open 2022 (D)	2022-09-03	2022-09-03	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
19	Alberton Chess Club Open 2022 (C)	2022-07-16	2022-07-16	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
20	Ekurhuleni Trials 2 2022 (U14)	2022-05-28	2022-05-28	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
21	Ekurhuleni Trials 1 2022 (U14)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	8	Tournament Gauteng Schools Individual Finals 2023				Tournament Boksburg Chess Club Rapid 2023
		date 2023-05-26	rnd 4	type Standard	result 1	date 2023-06-20	rnd 1	type Rapid	result 1
		Opponent Kasse, Y (Yohannes)				Opponent Britz, C (Caleb)
2	7	Tournament EN Chess Club Winter Open 2024				Tournament 2024 D6 Teams
		date 2024-06-29	rnd 2	type Standard	result 1	date 2024-07-20	rnd 4	type Rapid	result 1
		Opponent Ramcharan, A (Adhi)				Opponent Salie, N (Nakeer)
3	6	Tournament Boksburg Chess Club Rapid 2023				Tournament Ekurhuleni Chess Spring Tournament 2023
		date 2023-06-20	rnd 3	type Rapid	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Myburgh, M (Melinda)				Opponent Buitendag, D (Darius)

#	Games	Start				End
1	12	Tournament EN Chess Club Winter Open 2024				Tournament D6 SH Individual 2025
		date 2024-06-29	rnd 2	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Ramcharan, A (Adhi)				Opponent Maphosa, A (Andile)
2	11	Tournament Gauteng Schools Individual Finals 2023				Tournament Ekurhuleni Chess Spring Tournament 2023
		date 2023-05-26	rnd 4	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Kasse, Y (Yohannes)				Opponent Buitendag, D (Darius)
3	6	Tournament Ekurhuleni Trials 2 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-04-22	rnd 1	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Jansen Van Rensburg, L (Lewis)				Opponent Mazibuko, B (Buhle)

#	Games	Start				End
1	4	Tournament Gauteng Soncini Finals 2023				Tournament 2024 D6 Teams
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2024-07-20	rnd 4	type Rapid	result 1
		Opponent Sibanda, M (Marlvin)				Opponent Salie, N (Nakeer)
2	3	Tournament Boksburg Chess Club Rapid 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-06-20	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 1	type Rapid	result 1
		Opponent Myburgh, M (Melinda)				Opponent Naicker, SJ (Sedakiah Joauin)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Moyo, N (Nkosana Junior)				Opponent Moyo, N (Nkosana Junior)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Gauteng Schools Individual Finals 2023				Tournament Boksburg Chess Club Rapid 2023
		date 2023-05-26	rnd 4	type Standard	result 1	date 2023-06-20	rnd 1	type Rapid	result 1
		Opponent Kasse, Y (Yohannes)				Opponent Britz, C (Caleb)
2	7	Tournament EN Chess Club Winter Open 2024				Tournament 2024 D6 Teams
		date 2024-06-29	rnd 2	type Standard	result 1	date 2024-07-20	rnd 4	type Rapid	result 1
		Opponent Ramcharan, A (Adhi)				Opponent Salie, N (Nakeer)
3	6	Tournament Boksburg Chess Club Rapid 2023				Tournament Ekurhuleni Chess Spring Tournament 2023
		date 2023-06-20	rnd 3	type Rapid	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Myburgh, M (Melinda)				Opponent Buitendag, D (Darius)

#	Games	Start				End
1	12	Tournament EN Chess Club Winter Open 2024				Tournament D6 SH Individual 2025
		date 2024-06-29	rnd 2	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Ramcharan, A (Adhi)				Opponent Maphosa, A (Andile)
2	11	Tournament Gauteng Schools Individual Finals 2023				Tournament Ekurhuleni Chess Spring Tournament 2023
		date 2023-05-26	rnd 4	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Kasse, Y (Yohannes)				Opponent Buitendag, D (Darius)
3	6	Tournament Ekurhuleni Trials 2 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-04-22	rnd 1	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Jansen Van Rensburg, L (Lewis)				Opponent Mazibuko, B (Buhle)

#	Games	Start				End
1	4	Tournament Gauteng Soncini Finals 2023				Tournament 2024 D6 Teams
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2024-07-20	rnd 4	type Rapid	result 1
		Opponent Sibanda, M (Marlvin)				Opponent Salie, N (Nakeer)
2	3	Tournament Boksburg Chess Club Rapid 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-06-20	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 1	type Rapid	result 1
		Opponent Myburgh, M (Melinda)				Opponent Naicker, SJ (Sedakiah Joauin)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Moyo, N (Nkosana Junior)				Opponent Moyo, N (Nkosana Junior)

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	Combrink ,J (Juan-Louis)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Combrink ,J (Juan-Louis)	3	1638.7	1497.1	3	1641.8	1497.1	0	0	0	0	0	0
2	Maharaj ,M (Mihiir)	2	2	425	2	2	425	0	0	0	0	0	0
2	Maharaj ,M (Mihiir)	2	1202.9	1627.9	2	1201	1627.9	0	0	0	0	0	0
3	Ambrose ,I (Isabella)	2	2	425	2	2	425	0	0	0	0	0	0
3	Ambrose ,I (Isabella)	2	1350.9	1775.9	2	1354.2	1775.9	0	0	0	0	0	0
4	Kheswa ,S (Spholami)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Kheswa ,S (Spholami)	2	1381.4	956.4	2	1371.8	956.4	0	0	0	0	0	0
5	Sibanda ,M (Marlvin)	2	2	425	0	0	0	2	2	425	0	0	0
5	Sibanda ,M (Marlvin)	2	1350.8	1775.8	0	0	0	2	1191.6	1775.8	0	0	0
6	Robinson ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Robinson ,E (Ethan)	1	1379.6	1804.6	1	1382.1	1804.6	0	0	0	0	0	0
7	Tlaka ,O (Omphile)	1	1	425	1	1	425	0	0	0	0	0	0
7	Tlaka ,O (Omphile)	1	1244.4	1669.4	1	1200	1669.4	0	0	0	0	0	0
8	Roberts ,F (Frans-Leigh)	1	1	425	1	1	425	0	0	0	0	0	0
8	Roberts ,F (Frans-Leigh)	1	1375.8	1800.8	1	1371.9	1800.8	0	0	0	0	0	0
9	Mohlala ,K (Kgaogelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mohlala ,K (Kgaogelo)	1	1196.6	771.6	1	1200	771.6	0	0	0	0	0	0
10	Ijegalu ,N (Ngozi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ijegalu ,N (Ngozi)	1	1254.1	1679.1	1	1264.4	1679.1	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

Koekemoer, M (Marko)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms