Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mentoor, I (Ivan Gerrit)

Chess SA id

1890134268

FIDE id

Date of birth

1989-08-25 (Adult)

Gender

Male

Region

Chess South Africa (CSA)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-12-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1235.4	1300	1140.4	1300
Raw rating	1235.4	1300	1140.4	1300
Weighted rating	1234.8	1299	1140.4	1299
Weighted performance	0	0	0	0
Floor	735.4	800	700	800
K-factor	36	36	36	36
Min/Max rating change allowed	157.7	143.8	180.5	143.8
Highest rating	1235.4 2024-02-01	1300 2024-02-01	1200 2018-10-01	1300 2024-02-01
Highest raw rating	1235.4 2024-02-01	1300 2024-02-01	1200 2020-01-01	1300 2024-02-01
Highest weighted rating	1233.4 2025-08-01	1296.7 2025-08-01	1200 2018-10-01	1296.7 2025-08-01
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	0	0	0	0
New rating	1235.4	1300	1140.4	1300
Analysis
Rating	1235.4	1300	1140.4	1300
Raw rating	1235.4	1300	1140.4	1300
Weighted rating	1234.8	1299	1140.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	735.4	800	700	800
Max/Min rating change allowed	157.7	143.8	180.5	143.8
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	1235.4	1300	1140.4	1300
New weighted rating	1235.2	1299.7	1140.4	1299.7
New weighted performance	0	0	0	0
Temp new rating	1235.4	1300	1140.4	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1235.4	1300	1140.4	1300
New K-factor	36	36	36	36
New floor	735.4	800	700	800

Item	Main	Rapid
	0	0
	0	0
	0	0
	0	0
	5	5
	5	5
History	10	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Chess South Africa (CSA)
Province
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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	10	3	30	-170	1286.8	1116.8
Standard	0	0	0	0	0	0
Rapid	10	3	30	-170	1286.8	1116.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1235.4	1300	1140.4	1300
2025-09-01	1235.4	1300	1140.4	1300
2025-08-01	1235.4	1300	1140.4	1300
2025-07-01	1235.4	1300	1140.4	1300
2025-06-01	1235.4	1300	1140.4	1300
2025-05-01	1235.4	1300	1140.4	1300
2025-04-01	1235.4	1300	1140.4	1300
2025-03-01	1235.4	1300	1140.4	1300
2025-02-01	1235.4	1300	1140.4	1300
2025-01-01	1235.4	1300	1140.4	1300
2024-12-01	1235.4	1300	1140.4	1300
2024-11-01	1235.4	1300	1140.4	1300
2024-10-01	1235.4	1300	1140.4	1300
2024-09-01	1235.4	1300	1140.4	1300
2024-08-01	1235.4	1300	1140.4	1300
2024-07-01	1235.4	1300	1140.4	1300
2024-06-01	1235.4	1300	1140.4	1300
2024-08-01	1235.4	1300	1140.4	1300
2024-04-01	1235.4	1300	1140.4	1300
2024-03-01	1235.4	1300	1140.4	1300
2024-02-01	1235.4	1300	1140.4	1300
2024-01-01	1235.4	1300	1140.4	1300
2023-12-01	1178	1200	1140.4	1200
2023-11-01	1178	1200	1140.4	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	Clanwilliam Open 2022 (A)	2022-12-10	2022-12-10	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis
2	West Coast Rural Chess Tournament 2021	2021-11-13	2021-11-13	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis
3	Annual Clint Van Rooyen Challenge 2021 (Open)	2021-05-22	2021-05-22	Rapid	West Coast (WCU)	5	0	0	No	Analysis

#	Games	Start				End
1	2	Tournament Clanwilliam Open 2022				Tournament Clanwilliam Open 2022
		date 2022-12-10	rnd 4	type Rapid	result 0.5	date 2022-12-10	rnd 5	type Rapid	result 0.5
		Opponent Wilson, L (Leston)				Opponent Kameel, L (Lindon)
2	1	Tournament Clanwilliam Open 2022				Tournament Clanwilliam Open 2022
		date 2022-12-10	rnd 1	type Rapid	result 0.5	date 2022-12-10	rnd 1	type Rapid	result 0.5
		Opponent Floris, IC (Isaac)				Opponent Floris, IC (Isaac)
3	1	Tournament West Coast Rural Chess Tournament 2021				Tournament West Coast Rural Chess Tournament 2021
		date 2021-11-13	rnd 4	type Rapid	result 1	date 2021-11-13	rnd 4	type Rapid	result 1
		Opponent Ellman, A (Anne-Belle)				Opponent Ellman, A (Anne-Belle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Clanwilliam Open 2022				Tournament Clanwilliam Open 2022
		date 2022-12-10	rnd 4	type Rapid	result 0.5	date 2022-12-10	rnd 5	type Rapid	result 0.5
		Opponent Wilson, L (Leston)				Opponent Kameel, L (Lindon)
2	1	Tournament Clanwilliam Open 2022				Tournament Clanwilliam Open 2022
		date 2022-12-10	rnd 1	type Rapid	result 0.5	date 2022-12-10	rnd 1	type Rapid	result 0.5
		Opponent Floris, IC (Isaac)				Opponent Floris, IC (Isaac)
3	1	Tournament West Coast Rural Chess Tournament 2021				Tournament West Coast Rural Chess Tournament 2021
		date 2021-11-13	rnd 4	type Rapid	result 1	date 2021-11-13	rnd 4	type Rapid	result 1
		Opponent Ellman, A (Anne-Belle)				Opponent Ellman, A (Anne-Belle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament West Coast Rural Chess Tournament 2021				Tournament West Coast Rural Chess Tournament 2021
		date 2021-11-13	rnd 4	type Rapid	result 1	date 2021-11-13	rnd 4	type Rapid	result 1
		Opponent Ellman, A (Anne-Belle)				Opponent Ellman, A (Anne-Belle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament West Coast Rural Chess Tournament 2021				Tournament West Coast Rural Chess Tournament 2021
		date 2021-11-13	rnd 4	type Rapid	result 1	date 2021-11-13	rnd 4	type Rapid	result 1
		Opponent Ellman, A (Anne-Belle)				Opponent Ellman, A (Anne-Belle)

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	Ellman ,A (Anne-Belle)	2	1	0	0	0	0	2	1	0	0	0	0
1	Ellman ,A (Anne-Belle)	2	1302.3	1302.3	0	0	0	2	1203.3	1302.3	0	0	0
2	Kameel ,L (Lindon)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
2	Kameel ,L (Lindon)	1	1483.6	1483.6	0	0	0	1	1484.5	1483.6	0	0	0
3	Klaase ,J (Jaco)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Klaase ,J (Jaco)	1	1200	775	0	0	0	1	1200	775	0	0	0
4	Floris ,IC (Isaac Charles)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
4	Floris ,IC (Isaac Charles)	1	1202.7	1202.7	0	0	0	1	1174.8	1202.7	0	0	0
5	Williams ,L (Lionel)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Williams ,L (Lionel)	1	1016	591	0	0	0	1	1129.1	591	0	0	0
6	Correia ,S (Stephan)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
6	Correia ,S (Stephan)	1	1161.7	1161.7	0	0	0	1	1057.6	1161.7	0	0	0
7	Wilson ,L (Leston)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
7	Wilson ,L (Leston)	1	1297.7	1297.7	0	0	0	1	1222.1	1297.7	0	0	0
8	Kariem ,S (Shakir)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Kariem ,S (Shakir)	1	1458.7	1033.7	0	0	0	1	1334.1	1033.7	0	0	0
9	Njokweni ,L (Llyabona)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Njokweni ,L (Llyabona)	1	1443.6	1018.6	0	0	0	1	1248.4	1018.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Mentoor, I (Ivan Gerrit)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms