Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, M (Marko)

Chess SA id

1110109561

FIDE id

Date of birth

2011-09-28 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1361.5

Item	Main	Standard	Rapid	Blitz
Rating	1351.4	1344.8	1222.4	1200
Raw rating	1351.4	1344.8	1222.4	1200
Weighted rating	1302.8	1295.8	1222.4	1200
Weighted performance	1286.7	1280.8	0	0
Floor	851.4	844.8	722.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	133.6	134.9	160.6	165.8
Highest rating	1351.4 2025-09-01	1344.8 2025-09-01	1273 2022-04-01	1200 2018-10-01
Highest raw rating	1351.4 2025-09-01	1344.8 2025-09-01	1222.4 2024-02-01	1200 2024-02-01
Highest weighted rating	1296 2025-09-01	1288.9 2025-09-01	1222.4 2024-04-01	1200 2018-10-01
Highest weighted performance	1348.8 2025-03-01	1340.5 2022-10-01	1273 2022-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1351.4	1344.8	1222.4	1200
Analysis
Rating	1351.4	1344.8	1222.4	1200
Raw rating	1351.4	1344.8	1222.4	1200
Weighted rating	1302.8	1295.8	1222.4
Weighted performance	1286.7	1280.8	0
K-factor	36	36	36	36
Floor	851.4	844.8	722.4	700
Max/Min rating change allowed	133.6	134.9	160.6	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	1351.4	1344.8	1222.4	1200
New weighted rating	1309.1	1302.2	1222.4	1200
New weighted performance	1286.2	1280.4	0	0
Temp new rating	1351.4	1344.8	1222.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1351.4	1344.8	1222.4	1200
New K-factor	36	36	36	36
New floor	851.4	844.8	722.4	700

Item	Main	Standard	Rapid
	0	0	0
	15	15	0
	37	37	0
	42	42	0
	50	43	7
	18	18	0
History	192	185	7

Games since
	Main 57	Standard 57		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2656		904		324
Male	2150		734		255
U16	412		135		51
U16 Male	311		101		41
Standard
	RSA		Province		Region
Overall	2627		953		368
Male	2113		769		291
U16	422		144		57
U16 Male	319		108		45
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	15	10	66.67	141.7	1234.9	1376.6
Standard	15	10	66.67	141.7	1234.9	1376.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	192	94.5	49.22	-6.6	1220.8	1214.2
Standard	185	90.5	48.92	-9.2	1224.9	1215.7
Rapid	7	4	57.14	60.7	1114.8	1175.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1351.4	1344.8	1222.4	1200
2025-09-01	1351.4	1344.8	1222.4	1200
2025-08-01	1348.8	1340.5	1222.4	1200
2025-07-01	1348.8	1340.5	1222.4	1200
2025-06-01	1348.8	1340.5	1222.4	1200
2025-05-01	1348.8	1340.5	1222.4	1200
2025-04-01	1348.8	1340.5	1222.4	1200
2025-03-01	1348.8	1340.5	1222.4	1200
2025-02-01	1288.5	1288.8	1222.4	1200
2025-01-01	1288.5	1288.8	1222.4	1200
2024-12-01	1288.5	1288.8	1222.4	1200
2024-11-01	1240.1	1231.9	1222.4	1200
2024-10-01	1240.1	1231.9	1222.4	1200
2024-09-01	1240.1	1231.9	1222.4	1200
2024-08-01	1242.5	1233.3	1222.4	1200
2024-07-01	1242.5	1233.3	1222.4	1200
2024-06-01	1195.8	1185.4	1222.4	1200
2024-08-01	1195.8	1185.4	1222.4	1200
2024-04-01	1195.8	1185.4	1222.4	1200
2024-03-01	1205.7	1196.6	1222.4	1200
2024-02-01	1201.5	1189	1222.4	1200
2024-01-01	1222	1212.4	1222.4	1200
2023-12-01	1222	1212.4	1222.4	1200
2023-11-01	1222	1212.4	1222.4	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	2025 Tshwane South School District CLOSED League Championship (U15A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Constantiapark Open 2025 (D)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U15A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Constantiapark Open 2025 (D)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
4	Lardies Ope 2024 (C)	2024-10-26	2024-10-26	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
5	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
6	2024 Elise Steenkamp Open Chess Tournament (Queens)	2024-06-15	2024-06-17	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
7	2024 Wynie Robbertse Chess Tournament (C1)	2024-03-02	2024-03-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
8	2024 Constantiapark Open (C)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	2024 Tshwane Chess OPEN Registration Tournament (C2)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
10	2024 Gauteng Inter-Region Chess Championship (U14C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
11	Lardies Open Tournament 2023 (C)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
12	2023 Etienne Lewis Closed Tournament (U14)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
13	2023 Tshwane South School District CLOSED League Championship (U13)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	2023 Lubowski Open Tournament (C)	2023-06-24	2023-06-25	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
15	2023 Tshwane South School District CLOSED Individual Championships (U13 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
16	2023 Afrikaans Ho�r Seunskool Open Chess Tournament (C)	2023-03-04	2023-03-04	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
17	Laerskool Constantiapark Open Chess Tournament 2023 (U14)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
18	2023 Tshwane Chess Open Registration Tournament (C2)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
19	2022 South African Junior Team Chess Championships (U12 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
20	Lardies Tournament 2022 (U12)	2022-10-29	2022-10-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
21	2022 Etienne Lewis (U12 Open)	2022-09-02	2022-09-04	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
22	D4 Play Offs 2022 (U11)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
23	2022 Menlo Open Tournament (D)	2022-07-23	2022-07-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
24	2022 Blou Bul Open (D)	2022-06-25	2022-06-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
25	D4 Individuals 2022 (U11 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	4	Yes	Analysis
26	CP Ope 2022 (C)	2022-02-19	2022-02-19	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
27	2022 Tshwane Chess Open Registration Tournament (C2)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
28	2021 Lardies Ope (C)	2021-10-30	2021-10-30	Standard	Tshwane (GTP)	5	2	0	Yes	Analysis
29	2021 Etienne Lewis Closed Trials (U12 Open)	2021-09-24	2021-09-26	Standard	Nelson Mandela Bay (ENM)	7	6	3	Yes	Analysis
30	2021 Alekhine Open (D)	2021-08-14	2021-08-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
31	2021 Registration Tournament (D)	2021-03-13	2021-03-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
32	2020 Wynie Robbertse Open Chess Tournament (U10)	2020-03-07	2020-03-07	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
33	2020 Constantiapark Open Chess Tournament (E)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
34	2020 Registration Tournament (E)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
35	2019 Lardies Open (E)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
36	2019 Waterkloof Open (E)	2019-03-02	2019-03-02	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
37	2019 Blou Bul (E)	2019-02-16	2019-02-16	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament Constantiapark Open 2025				Tournament Grey College Team Championship 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-21	rnd 1	type Standard	result 1
		Opponent De Klerk, D (Daniel)				Opponent Matlakala, B (Bokamoso)
2	5	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 1	type Standard	result 1	date 2024-10-26	rnd 5	type Standard	result 1
		Opponent Nkosi, D (Dodi Dita)				Opponent Chadalavada, B (Bhaarghavarama)
3	4	Tournament 2022 Etienne Lewis				Tournament Lardies Tournament 2022
		date 2022-09-04	rnd 7	type Standard	result 1	date 2022-10-29	rnd 3	type Standard	result 1
		Opponent Smart, L (Liam Jonathan)				Opponent Theron, C (Carla)

#	Games	Start				End
1	5	Tournament Constantiapark Open 2025				Tournament Grey College Team Championship 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-21	rnd 1	type Standard	result 1
		Opponent De Klerk, D (Daniel)				Opponent Matlakala, B (Bokamoso)
2	5	Tournament Lardies Ope 2024				Tournament Lardies Ope 2024
		date 2024-10-26	rnd 1	type Standard	result 1	date 2024-10-26	rnd 5	type Standard	result 1
		Opponent Nkosi, D (Dodi Dita)				Opponent Chadalavada, B (Bhaarghavarama)
3	4	Tournament 2022 Etienne Lewis				Tournament Lardies Tournament 2022
		date 2022-09-04	rnd 7	type Standard	result 1	date 2022-10-29	rnd 3	type Standard	result 1
		Opponent Smart, L (Liam Jonathan)				Opponent Theron, C (Carla)

#	Games	Start				End
1	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 6	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Eksteen, THA (Theunis Hermanus Andrich)				Opponent Bhudai, M (Milan)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Faridun, D (Davlatnazar)				Opponent Le Roux, R (Reuben)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Constantiapark Open 2025				Tournament Grey College Team Championship 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-21	rnd 1	type Standard	result 1
		Opponent De Klerk, D (Daniel)				Opponent Matlakala, B (Bokamoso)
2	4	Tournament 2022 Etienne Lewis				Tournament Lardies Tournament 2022
		date 2022-09-04	rnd 7	type Standard	result 1	date 2022-10-29	rnd 3	type Standard	result 1
		Opponent Smart, L (Liam Jonathan)				Opponent Theron, C (Carla)
3	4	Tournament D4 Individuals 2022				Tournament 2022 Blou Bul Open
		date 2022-04-23	rnd 6	type Rapid	result 1	date 2022-06-25	rnd 2	type Standard	result 1
		Opponent Eksteen, THA (Theunis Hermanus Andrich)				Opponent Ramaboa, T (Thando)

#	Games	Start				End
1	5	Tournament Constantiapark Open 2025				Tournament Grey College Team Championship 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-21	rnd 1	type Standard	result 1
		Opponent De Klerk, D (Daniel)				Opponent Matlakala, B (Bokamoso)
2	4	Tournament 2022 Etienne Lewis				Tournament Lardies Tournament 2022
		date 2022-09-04	rnd 7	type Standard	result 1	date 2022-10-29	rnd 3	type Standard	result 1
		Opponent Smart, L (Liam Jonathan)				Opponent Theron, C (Carla)
3	4	Tournament 2021 Registration Tournament				Tournament 2021 Alekhine Open
		date 2021-03-13	rnd 4	type Standard	result 1	date 2021-08-14	rnd 2	type Standard	result 1
		Opponent Mametse, O (Ontheeditse)				Opponent Mahlangu, NP (Nkosinathi Phillip)

#	Games	Start				End
1	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 6	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Eksteen, THA (Theunis Hermanus Andrich)				Opponent Bhudai, M (Milan)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Faridun, D (Davlatnazar)				Opponent Le Roux, R (Reuben)

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	Botha ,RMJ (Robert)	4	0	-425	3	0	-425	1	0	-425	0	0	0
1	Botha ,RMJ (Robert)	4	1305.5	880.5	3	1342.9	880.5	1	1219.6	880.5	0	0	0
2	Slabbert ,ZN (Zander Nicolaas)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Slabbert ,ZN (Zander Nicolaas)	3	1518.7	1093.7	3	1514.4	1093.7	0	0	0	0	0	0
3	Janse Van Rensburg ,J (Josh)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
3	Janse Van Rensburg ,J (Josh)	3	1458.7	1175.4	3	1451.4	1175.4	0	0	0	0	0	0
4	Pillay ,K (Ketana)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Pillay ,K (Ketana)	3	1405.2	980.2	3	1395.7	980.2	0	0	0	0	0	0
5	Mcphail ,M (Matthew)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Mcphail ,M (Matthew)	3	1259.5	1401.1	3	1254.4	1401.1	0	0	0	0	0	0
6	Yang ,JD (Daniel)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Yang ,JD (Daniel)	2	1420.2	995.2	2	1405.5	995.2	0	0	0	0	0	0
7	Yang ,S (Selina)	2	2	425	2	2	425	0	0	0	0	0	0
7	Yang ,S (Selina)	2	1348.5	1773.5	2	1337.7	1773.5	0	0	0	0	0	0
8	Du Preez ,J (Julian)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Du Preez ,J (Julian)	2	1261.9	836.9	2	1252.8	836.9	0	0	0	0	0	0
9	Steyn ,H (Henco)	2	2	425	2	2	425	0	0	0	0	0	0
9	Steyn ,H (Henco)	2	1387.4	1812.4	2	1361.1	1812.4	0	0	0	0	0	0
10	De Klerk ,W (Wihan)	2	2	425	2	2	425	0	0	0	0	0	0
10	De Klerk ,W (Wihan)	2	1092.4	1517.4	2	1105.6	1517.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzee, 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