Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, I (Izael)

Chess SA id

1110134138

FIDE id

Date of birth

2011-10-01 (U16)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

16.6

Junior GPX Points

1041

Item	Main	Standard	Rapid	Blitz
Rating	1137.1	1199.1	1036.8	1200
Raw rating	1125.6	1199.1	995.4	1200
Weighted rating	1137.1	1199	1036.8	1200
Weighted performance	940.4	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.3	166	221.9	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.1	0	-3.5	0
New rating	1136	1199.1	1033.2	1200
Analysis
Rating	1137.1	1199.1	1036.8	1200
Raw rating	1125.6	1199.1	995.4	1200
Weighted rating	1137.1	1199	1036.8
Weighted performance	940.4	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	184.3	166	221.9	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	1125.6	1199.1	995.4	1200
New weighted rating	1136	1199	1033.2	1200
New weighted performance	934.5	0	0	0
Temp new rating	1136	1199.1	1033.2	1200
Temp new rating +/-	-1.1	0	-3.5	0
Final new rating +/-	-1.1	0	-3.5	0
New rating	1136	1199.1	1033.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	23	15	8
	5	0	5
	0	0	0
	0	0	0
	9	0	9
History	37	15	22

Games since
	Main 28	Standard 15		Rapid 13		Blitz 0
Gender	Male
Age group	U16
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
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	23	3	13.04	-314.1	1346.3	1032.2
Standard	15	3	20	-255	1298.6	1043.6
Rapid	8	0	0	-425	1435.7	1010.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	5	13.51	-310.1	1294.4	984.2
Standard	15	3	20	-255	1298.6	1043.6
Rapid	22	2	9.09	-347.7	1291.4	943.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1125.6	1199.1	995.4	1200
2025-09-30	1125.6	1199.1	995.4	1200
2025-09-01	1125.6	1199.1	995.4	1200
2025-08-01	1141.1	1199.1	1050.6	1200
2025-07-01	1141.1	1199	1050.6	1200
2025-06-01	1140.9	1197.6	1050.6	1200
2025-05-01	1141.6	1199.3	1050.6	1200
2025-04-01	1141.5	1198.8	1050.6	1200
2025-03-01	1138.4	1192.6	1050.6	1200
2025-02-01	1142.1	1200	1050.6	1200
2025-01-01	1137.9	1200	1050.6	1200
2024-12-01	1137.9	1200	1050.6	1200
2024-11-01	1137.9	1200	1050.6	1200
2024-10-01	1137.9	1200	1050.6	1200
2024-09-01	1137.9	1200	1050.6	1200
2024-08-01	1137.9	1200	1050.6	1200
2024-07-01	1137.9	1200	1050.6	1200
2024-09-01	1137.9	1200	1050.6	1200
2024-05-01	1148.5	1200	1034.2	1200
2024-04-01	1148.5	1200	1034.2	1200
2024-03-01	1148.5	1200	1034.2	1200
2024-02-01	1148.5	1200	1034.2	1200
2024-01-01	1148.5	1200	1034.2	1200
2023-12-01	1148.5	1200	1034.2	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	SBD Invitational 2025 (B)	2025-08-23	2025-08-23	Rapid	Sarah Baartman (ESB)	10	8	0	Yes	Analysis
2	Fountains Mall SBD Open 2025 (C)	2025-05-17	2025-05-17	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
3	Kouga Mayor's Cup 2025 (U15)	2025-03-07	2025-03-08	Standard	Sarah Baartman (ESB)	5	0	0	No	Analysis
4	SBDCU Trials 3 2025 (U16)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	5	4	0	Yes	Analysis
5	SBDCU Fundraiser 2025 (U15)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBD Invitational 2025 (B)	2025-08-23	2025-08-23	Rapid	Sarah Baartman (ESB)	10	8	0	Yes	Analysis
2	Fountains Mall SBD Open 2025 (C)	2025-05-17	2025-05-17	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
3	Kouga Mayor's Cup 2025 (U15)	2025-03-07	2025-03-08	Standard	Sarah Baartman (ESB)	5	0	0	No	Analysis
4	SBDCU Trials 3 2025 (U16)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	5	4	0	Yes	Analysis
5	SBDCU Fundraiser 2025 (U15)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	1	Yes	Analysis
6	Humansdorp CMC Schools Trials 2024 (U13 Boys)	2024-05-10	2024-05-10	Rapid	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
7	Jeffreys Bay Comprehensive High School Invitational 2021 (C)	2021-04-27	2021-04-27	Rapid	Sarah Baartman (ESB)	9	9	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Booisen, M (Mia Faith)				Opponent Booisen, M (Mia Faith)
2	1	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Njoko, N (Nicole)				Opponent Njoko, N (Nicole)
3	1	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 4	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Bruton, FE (Faith Elizabeth)				Opponent Bruton, FE (Faith Elizabeth)

#	Games	Start				End
1	1	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Booisen, M (Mia Faith)				Opponent Booisen, M (Mia Faith)
2	1	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Njoko, N (Nicole)				Opponent Njoko, N (Nicole)
3	1	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 4	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Bruton, FE (Faith Elizabeth)				Opponent Bruton, FE (Faith Elizabeth)

#	Games	Start				End
1	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 6	type Rapid	result 1	date 2024-05-10	rnd 6	type Rapid	result 1
		Opponent Fredericks, R (Randy)				Opponent Fredericks, R (Randy)
2	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 3	type Rapid	result 1	date 2024-05-10	rnd 3	type Rapid	result 1
		Opponent Kuse, E (Endinako)				Opponent Kuse, E (Endinako)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Booisen, M (Mia Faith)				Opponent Booisen, M (Mia Faith)
2	1	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Njoko, N (Nicole)				Opponent Njoko, N (Nicole)
3	1	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 4	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Bruton, FE (Faith Elizabeth)				Opponent Bruton, FE (Faith Elizabeth)

#	Games	Start				End
1	1	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Booisen, M (Mia Faith)				Opponent Booisen, M (Mia Faith)
2	1	Tournament Fountains Mall SBD Open 2025				Tournament Fountains Mall SBD Open 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Njoko, N (Nicole)				Opponent Njoko, N (Nicole)
3	1	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 4	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Bruton, FE (Faith Elizabeth)				Opponent Bruton, FE (Faith Elizabeth)

#	Games	Start				End
1	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 6	type Rapid	result 1	date 2024-05-10	rnd 6	type Rapid	result 1
		Opponent Fredericks, R (Randy)				Opponent Fredericks, R (Randy)
2	1	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 3	type Rapid	result 1	date 2024-05-10	rnd 3	type Rapid	result 1
		Opponent Kuse, E (Endinako)				Opponent Kuse, E (Endinako)

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	Rudolph ,K (Kevin-Clark)	3	0	-425	0	0	0	3	0	-425	0	0	0
1	Rudolph ,K (Kevin-Clark)	3	1288.9	863.9	0	0	0	3	1252	863.9	0	0	0
2	Ludick ,AC (Anaya Cassidy)	3	0	-425	0	0	0	3	0	-425	0	0	0
2	Ludick ,AC (Anaya Cassidy)	3	1506	1081	0	0	0	3	1416.5	1081	0	0	0
3	Pullen ,R (Riyana)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Pullen ,R (Riyana)	2	1306.4	881.4	2	1261.5	881.4	0	0	0	0	0	0
4	Maziena ,L (Lavanya)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Maziena ,L (Lavanya)	2	1334.4	909.4	2	1279.4	909.4	0	0	0	0	0	0
5	Stolz ,J (Justin)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Stolz ,J (Justin)	2	1485.3	1060.3	0	0	0	2	1326.3	1060.3	0	0	0
6	Nhanha ,S (Sinakekele)	2	0	-425	0	0	0	2	0	-425	0	0	0
6	Nhanha ,S (Sinakekele)	2	1337.5	912.5	0	0	0	2	1182.2	912.5	0	0	0
7	Booisen ,M (Mia Faith)	1	1	425	1	1	425	0	0	0	0	0	0
7	Booisen ,M (Mia Faith)	1	1197.2	1622.2	1	1196.8	1622.2	0	0	0	0	0	0
8	Solomons ,Z (Ziane)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Solomons ,Z (Ziane)	1	1270.4	845.4	1	1261.9	845.4	0	0	0	0	0	0
9	Groenewald ,J (Jesnique)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Groenewald ,J (Jesnique)	1	1206.3	781.3	1	1203.2	781.3	0	0	0	0	0	0
10	Prinsloo ,E (Emmanuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Prinsloo ,E (Emmanuel)	1	1232.1	807.1	1	1253	807.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzee, I (Izael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms