Chess South Africa Ratings Database

PLAYER PAGE

Personal

Klein, I (Irwin)

Chess SA id

1030110219

FIDE id

Date of birth

2003-02-23 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1141.4	1182.7	1062.8	1200
Raw rating	1141.4	1182.7	1062.8	1200
Weighted rating	1141.3	1182.4	1062.8	1200
Weighted performance	533.2	0	0	0
Floor	700	706.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.2	169.9	201.6	165.8
Highest rating	1200 2018-10-01	1206.4 2019-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1206.4 2019-09-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1206.4 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1141.4	1182.7	1062.8	1200
Analysis
Rating	1141.4	1182.7	1062.8	1200
Raw rating	1141.4	1182.7	1062.8	1200
Weighted rating	1141.3	1182.4	1062.8
Weighted performance	533.2	0	0
K-factor	36	36	36	36
Floor	700	706.4	700	700
Max/Min rating change allowed	180.2	169.9	201.6	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	1141.4	1182.7	1062.8	1200
New weighted rating	1141.3	1182.4	1062.8	1200
New weighted performance	532.8	0	0	0
Temp new rating	1141.4	1182.7	1062.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1141.4	1182.7	1062.8	1200
New K-factor	36	36	36	36
New floor	700	706.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	0	0	0
	7	0	7
History	49	26	23

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
Province	Western Cape (WC)
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	49	21	42.86	-60.7	1149.3	1088.6
Standard	26	14	53.85	32.7	1142.1	1174.7
Rapid	23	7	30.43	-166.3	1157.6	991.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1141.4	1182.7	1062.8	1200
2025-09-01	1141.4	1182.7	1062.8	1200
2025-08-01	1141.4	1182.7	1062.8	1200
2025-07-01	1141.4	1182.7	1062.8	1200
2025-06-01	1141.4	1182.7	1062.8	1200
2025-05-01	1141.4	1182.7	1062.8	1200
2025-04-01	1141.4	1182.7	1062.8	1200
2025-03-01	1141.4	1182.7	1062.8	1200
2025-02-01	1141.4	1182.7	1062.8	1200
2025-01-01	1141.2	1181.9	1062.8	1200
2024-12-01	1141.2	1181.9	1062.8	1200
2024-11-01	1141.2	1181.9	1062.8	1200
2024-10-01	1141.2	1181.9	1062.8	1200
2024-09-01	1141.2	1181.9	1062.8	1200
2024-08-01	1141.2	1181.9	1062.8	1200
2024-07-01	1141.2	1181.9	1062.8	1200
2024-06-01	1141.2	1181.9	1062.8	1200
2024-08-01	1141.2	1181.9	1062.8	1200
2024-04-01	1141.2	1181.9	1062.8	1200
2024-03-01	1141.2	1181.9	1062.8	1200
2024-02-01	1141.2	1181.9	1062.8	1200
2024-01-01	1141.2	1181.9	1062.8	1200
2023-12-01	1141.2	1181.9	1062.8	1200
2023-11-01	1141.2	1181.9	1062.8	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	CW Top Schools 2023 (Intermediate)	2023-08-12	2023-08-12	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
2	Lower West Coast 2021 (U18 Boys)	2021-04-10	2021-04-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
3	Lower West Coast 2021 (U18 Boys)	2021-04-10	2021-04-10	Rapid	West Coast (WCU)	5	2	0	Yes	Analysis
4	Onder Weskus Prestige 2020 (U18 Boys)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
5	Back to School Rapid 2020 (Boys)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
6	West Coast Club Champs 2019 (B)	2019-09-13	2019-09-14	Standard	West Coast (WCU)	7	4	2	Yes	Analysis
7	Western Cape Womans Month Tournament 2019 (C)	2019-08-09	2019-08-11	Standard	West Coast (WCU)	7	7	5	Yes	Analysis
8	Weskus Mall Rapid 2019 (U16)	2019-06-15	2019-06-15	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
9	West Coast Open 2019 (C)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	4	2	Yes	Analysis
10	Onder-Weskus Skole Proewe 2019 (O18 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	8	7	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape Womans Month Tournament 2019				Tournament West Coast Club Champs 2019
		date 2019-08-10	rnd 4	type Standard	result 1	date 2019-09-13	rnd 2	type Standard	result 1
		Opponent Matsibisa, S (Shamila)				Opponent Pienaar, F (Francisca)
2	4	Tournament West Coast Club Champs 2019				Tournament Back to School Rapid 2020
		date 2019-09-14	rnd 6	type Standard	result 1	date 2020-02-01	rnd 3	type Rapid	result 0.5
		Opponent Collair, H (Houston)				Opponent Richards, E (Ezekiel)
3	3	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Jantjies, D (Damien)				Opponent Wilson, L (Leston)

#	Games	Start				End
1	5	Tournament Western Cape Womans Month Tournament 2019				Tournament West Coast Club Champs 2019
		date 2019-08-10	rnd 4	type Standard	result 1	date 2019-09-13	rnd 2	type Standard	result 1
		Opponent Matsibisa, S (Shamila)				Opponent Pienaar, F (Francisca)
2	3	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Jantjies, D (Damien)				Opponent Wilson, L (Leston)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-12	rnd 4	type Standard	result 1	date 2023-08-12	rnd 4	type Standard	result 1
		Opponent Marthinus, L (Lee Andrea)				Opponent Marthinus, L (Lee Andrea)

#	Games	Start				End
1	3	Tournament Back to School Rapid 2020				Tournament Back to School Rapid 2020
		date 2020-02-01	rnd 1	type Rapid	result 0.5	date 2020-02-01	rnd 3	type Rapid	result 0.5
		Opponent Rajgopaul, J (Jarod)				Opponent Richards, E (Ezekiel)
2	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2019-02-23	rnd 8	type Rapid	result 1
		Opponent Luke, E (Eric)				Opponent Kok, C (Craig)
3	1	Tournament Lower West Coast 2021				Tournament Lower West Coast 2021
		date 2021-04-10	rnd 5	type Rapid	result 1	date 2021-04-10	rnd 5	type Rapid	result 1
		Opponent Hogan, L (Lee)				Opponent Hogan, L (Lee)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Western Cape Womans Month Tournament 2019				Tournament West Coast Club Champs 2019
		date 2019-08-10	rnd 4	type Standard	result 1	date 2019-09-13	rnd 2	type Standard	result 1
		Opponent Matsibisa, S (Shamila)				Opponent Pienaar, F (Francisca)
2	3	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Jantjies, D (Damien)				Opponent Wilson, L (Leston)
3	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament West Coast Open 2019
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Luke, E (Eric)				Opponent Farmer, J (Jaydean)

#	Games	Start				End
1	5	Tournament Western Cape Womans Month Tournament 2019				Tournament West Coast Club Champs 2019
		date 2019-08-10	rnd 4	type Standard	result 1	date 2019-09-13	rnd 2	type Standard	result 1
		Opponent Matsibisa, S (Shamila)				Opponent Pienaar, F (Francisca)
2	3	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Jantjies, D (Damien)				Opponent Wilson, L (Leston)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-12	rnd 4	type Standard	result 1	date 2023-08-12	rnd 4	type Standard	result 1
		Opponent Marthinus, L (Lee Andrea)				Opponent Marthinus, L (Lee Andrea)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2019-02-23	rnd 8	type Rapid	result 1
		Opponent Luke, E (Eric)				Opponent Kok, C (Craig)
2	1	Tournament Lower West Coast 2021				Tournament Lower West Coast 2021
		date 2021-04-10	rnd 5	type Rapid	result 1	date 2021-04-10	rnd 5	type Rapid	result 1
		Opponent Hogan, L (Lee)				Opponent Hogan, L (Lee)
3	1	Tournament Lower West Coast 2021				Tournament Lower West Coast 2021
		date 2021-04-10	rnd 2	type Rapid	result 0.5	date 2021-04-10	rnd 2	type Rapid	result 0.5
		Opponent George, GG (Gurswin)				Opponent George, GG (Gurswin)

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	Wilson ,L (Leston)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Wilson ,L (Leston)	2	1141.6	1141.6	1	1172	1566.6	1	1201.6	716.6	0	0	0
2	Richards ,E (Elijah)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Richards ,E (Elijah)	2	1155.7	730.7	1	1265.5	730.7	1	1137.6	730.7	0	0	0
3	Collair ,H (Houston)	1	1	425	1	1	425	0	0	0	0	0	0
3	Collair ,H (Houston)	1	1162.3	1587.3	1	1148.6	1587.3	0	0	0	0	0	0
4	Van Zyl ,C (Carien)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Zyl ,C (Carien)	1	1182.9	757.9	1	1209.2	757.9	0	0	0	0	0	0
5	Singh ,S (Shaurya)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Singh ,S (Shaurya)	1	1498.6	1073.6	1	1514	1073.6	0	0	0	0	0	0
6	Osborn ,C (Cyngen)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Osborn ,C (Cyngen)	1	1213	788	1	1200	788	0	0	0	0	0	0
7	Botha ,D (Diederik)	1	1	425	1	1	425	0	0	0	0	0	0
7	Botha ,D (Diederik)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Van Der Merwe ,V (Vera)	1	1	425	1	1	425	0	0	0	0	0	0
8	Van Der Merwe ,V (Vera)	1	1210.6	1635.6	1	1200	1635.6	0	0	0	0	0	0
9	Fillis ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Fillis ,J (Jordan)	1	1148.7	723.7	1	1101.7	723.7	0	0	0	0	0	0
10	Keyster ,F (Farren)	1	1	425	1	1	425	0	0	0	0	0	0
10	Keyster ,F (Farren)	1	1068.5	1493.5	1	1120.4	1493.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Klein, I (Irwin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms