Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, A (Adriaan)

Chess SA id

1110309010

FIDE id

Date of birth

2011-03-14 (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

Item	Main	Standard	Rapid	Blitz
Rating	1272.2	1281.4	1200	1200
Raw rating	1272.2	1281.4	1200	1200
Weighted rating	1242.8	1247.7	1200	1200
Weighted performance	0	0	0	0
Floor	772.2	781.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	149.6	147.7	165.8	165.8
Highest rating	1318 2024-08-01	1315.7 2024-08-01	1200 2024-08-01	1200 2024-08-01
Highest raw rating	1272.2 2025-09-01	1281.4 2025-09-01	1200 2024-08-01	1200 2024-08-01
Highest weighted rating	1242.7 2024-10-01	1247.3 2024-10-01	1200 2024-08-01	1200 2024-08-01
Highest weighted performance	1318 2024-08-01	1315.7 2024-08-01	1200 2024-08-01	1200 2024-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1272.2	1281.4	1200	1200
Analysis
Rating	1272.2	1281.4	1200	1200
Raw rating	1272.2	1281.4	1200	1200
Weighted rating	1242.8	1247.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	772.2	781.4	700	700
Max/Min rating change allowed	149.6	147.7	165.8	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	1272.2	1281.4	1200	1200
New weighted rating	1246.2	1251.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1272.2	1281.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1272.2	1281.4	1200	1200
New K-factor	36	36	36	36
New floor	772.2	781.4	700	700

Item	Main	Standard
	0	0
	15	15
	5	5
	0	0
	0	0
	0	0
History	20	20

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
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	15	9	60	85	1245.1	1330.1
Standard	15	9	60	85	1245.1	1330.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	12	60	85	1241.9	1326.9
Standard	20	12	60	85	1241.9	1326.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1272.2	1281.4	1200	1200
2025-11-30	1272.2	1281.4	1200	1200
2025-11-01	1272.2	1281.4	1200	1200
2025-09-30	1272.2	1281.4	1200	1200
2025-09-01	1272.2	1281.4	1200	1200
2025-08-01	1227.1	1226.9	1200	1200
2025-07-01	1227.1	1226.9	1200	1200
2025-06-01	1227.1	1226.9	1200	1200
2025-05-01	1242.7	1247.3	1200	1200
2025-04-01	1242.7	1247.3	1200	1200
2025-03-01	1242.7	1247.3	1200	1200
2025-02-01	1223.9	1228.4	1200	1200
2025-01-01	1223.9	1228.4	1200	1200
2024-12-01	1223.9	1228.4	1200	1200
2024-11-01	1223.9	1228.4	1200	1200
2024-10-01	1223.9	1228.4	1200	1200
2024-09-01	1223.9	1228.4	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	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 Tshwane North District CLOSED Team Championships (D3) (U15 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2025 Prestige Open Chess Tournament (D)	2025-03-08	2025-03-08	Standard	Tshwane (GTP)	5	0	0	No	Analysis
4	Constantiapark Open 2025 (D)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament Constantiapark Open 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Janse Van Resburg, J (Juan)				Opponent Kgwale, K (Keratilwe)
2	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Mojela, O (Oratile)				Opponent Matabane, B (Batlile)
3	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Aphane, L (Lesedi)				Opponent Kritzinger, M (Madeleine)

#	Games	Start				End
1	4	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament Constantiapark Open 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Janse Van Resburg, J (Juan)				Opponent Kgwale, K (Keratilwe)
2	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Mojela, O (Oratile)				Opponent Matabane, B (Batlile)
3	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Aphane, L (Lesedi)				Opponent Kritzinger, M (Madeleine)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament Constantiapark Open 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Janse Van Resburg, J (Juan)				Opponent Kgwale, K (Keratilwe)
2	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Mojela, O (Oratile)				Opponent Matabane, B (Batlile)
3	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Aphane, L (Lesedi)				Opponent Kritzinger, M (Madeleine)

#	Games	Start				End
1	4	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament Constantiapark Open 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Janse Van Resburg, J (Juan)				Opponent Kgwale, K (Keratilwe)
2	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Mojela, O (Oratile)				Opponent Matabane, B (Batlile)
3	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Aphane, L (Lesedi)				Opponent Kritzinger, M (Madeleine)

No games found.

#	Games	Start				End

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	Aphane ,L (Lesedi)	1	1	425	1	1	425	0	0	0	0	0	0
1	Aphane ,L (Lesedi)	1	1199.4	1624.4	1	1199.3	1624.4	0	0	0	0	0	0
2	Morobe ,K (Kwandokuhle)	1	1	425	1	1	425	0	0	0	0	0	0
2	Morobe ,K (Kwandokuhle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Kgwale ,K (Keratilwe)	1	1	425	1	1	425	0	0	0	0	0	0
3	Kgwale ,K (Keratilwe)	1	1327.5	1752.5	1	1343.3	1752.5	0	0	0	0	0	0
4	Janse Van Vuuren ,A (Alexander)	1	1	425	1	1	425	0	0	0	0	0	0
4	Janse Van Vuuren ,A (Alexander)	1	1284.1	1709.1	1	1225.6	1709.1	0	0	0	0	0	0
5	Ndebele ,AT (Akhumzi Thandolwenkosi)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ndebele ,AT (Akhumzi Thandolwenkosi)	1	1283.2	858.2	1	1270.9	858.2	0	0	0	0	0	0
6	Ngwana ,T (Thapelo Jurie Junior)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ngwana ,T (Thapelo Jurie Junior)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Mekoa ,O (Ororisang)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mekoa ,O (Ororisang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Kritzinger ,M (Madeleine)	1	1	425	1	1	425	0	0	0	0	0	0
8	Kritzinger ,M (Madeleine)	1	1372.9	1797.9	1	1375.1	1797.9	0	0	0	0	0	0
9	Shange ,S (Sakhile Mpendulo Senzeloku)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Shange ,S (Sakhile Mpendulo Senzeloku)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Mokau ,G (Goseame)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mokau ,G (Goseame)	1	1200	775	1	1200	775	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, A (Adriaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms