Chess South Africa Ratings Database

PLAYER PAGE

Personal

Holt, I (Isiah)

Chess SA id

1090131675

FIDE id

Date of birth

2009-04-06 (U18)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1170.4	1140.3	1216.8	1200
Raw rating	1170.4	1140.3	1216.8	1200
Weighted rating	1170.4	1140.3	1216.8	1200
Weighted performance	703.9	632.4	0	0
Floor	719.2	727.8	716.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	173	180.5	161.9	165.8
Highest rating	1223.9 2022-07-01	1230.6 2022-07-01	1216.8 2024-02-01	1200 2018-10-01
Highest raw rating	1219.2 2022-08-01	1227.8 2022-08-01	1216.8 2024-02-01	1200 2024-02-01
Highest weighted rating	1219.2 2018-10-01	1227.8 2018-10-01	1216.8 2025-02-01	1200 2018-10-01
Highest weighted performance	1223.9 2022-07-01	1230.6 2022-07-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1170.4	1140.3	1216.8	1200
Analysis
Rating	1170.4	1140.3	1216.8	1200
Raw rating	1170.4	1140.3	1216.8	1200
Weighted rating	1170.4	1140.3	1216.8
Weighted performance	703.9	632.4	0
K-factor	36	36	36	36
Floor	719.2	727.8	716.8	700
Max/Min rating change allowed	173	180.5	161.9	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	1170.4	1140.3	1216.8	1200
New weighted rating	1170.4	1140.3	1216.8	1200
New weighted performance	697.4	626.1	0	0
Temp new rating	1170.4	1140.3	1216.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1170.4	1140.3	1216.8	1200
New K-factor	36	36	36	36
New floor	719.2	727.8	716.8	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	11	6	5
	25	21	4
	5	0	5
History	47	33	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	47	21.5	45.74	-36.2	1211.5	1175.3
Standard	33	14.5	43.94	-51.5	1210.9	1159.3
Rapid	14	7	50	0	1212.9	1212.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1170.4	1140.3	1216.8	1200
2025-09-30	1170.4	1140.3	1216.8	1200
2025-09-01	1170.4	1140.3	1216.8	1200
2025-08-01	1170.4	1140.3	1216.8	1200
2025-07-01	1170.4	1140.3	1216.8	1200
2025-06-01	1170.4	1140.3	1216.8	1200
2025-05-01	1170.4	1140.3	1216.8	1200
2025-04-01	1170.4	1140.3	1216.8	1200
2025-03-01	1170.4	1140.3	1216.8	1200
2025-02-01	1170.4	1140.3	1216.8	1200
2025-01-01	1170.4	1140.3	1216.8	1200
2024-12-01	1170.4	1140.3	1216.8	1200
2024-11-01	1170.4	1140.3	1216.8	1200
2024-10-01	1170.4	1140.3	1216.8	1200
2024-09-01	1170.4	1140.3	1216.8	1200
2024-08-01	1170.4	1140.3	1216.8	1200
2024-07-01	1170.4	1140.3	1216.8	1200
2024-09-01	1170.4	1140.3	1216.8	1200
2024-05-01	1170.4	1140.3	1216.8	1200
2024-04-01	1170.4	1140.3	1216.8	1200
2024-03-01	1170.4	1140.3	1216.8	1200
2024-02-01	1170.4	1140.3	1216.8	1200
2024-01-01	1170.4	1140.3	1216.8	1200
2023-12-01	1170.4	1140.3	1216.8	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	West Coast High School Championships 2023 (U15 Boys)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
2	Lower West Coast High Schools Prestige 2023 (U15 Boys)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Western Cape Top Schools 2022 (U15 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
4	Pedro Booyse Top Schools 2022 (U15 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	4	3	Yes	Analysis
5	Onder-Weskus Top Skole 2022 (Hoerskool)	2022-06-04	2022-06-04	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
6	Western Cape Schools 2022 (U13 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
7	West Coast Schools Prestige 2022 (U13 Boys)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
8	Lower West Coast Schools Chess Prestige 2021 (U13 Boys)	2021-05-15	2021-05-15	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
9	Onder Weskus Prestige 2020 (U11 Boys)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Onder-Weskus Top Skole 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-06-04	rnd 5	type Rapid	result 1	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Burger, M (Migael)				Opponent Beukes, H (Hen-Lee)
2	2	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-05-29	rnd 6	type Standard	result 1
		Opponent Roos, M (Michael)				Opponent Tengren, L (Liam)
3	2	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 5	type Standard	result 1	date 2022-02-19	rnd 6	type Standard	result 1
		Opponent Van Wyk, J (Jaden)				Opponent Stewe, R (Raphael)

#	Games	Start				End
1	5	Tournament Western Cape Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Roos, M (Michael)				Opponent Beukes, H (Hen-Lee)
2	2	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 5	type Standard	result 1	date 2022-02-19	rnd 6	type Standard	result 1
		Opponent Van Wyk, J (Jaden)				Opponent Stewe, R (Raphael)
3	2	Tournament Onder Weskus Prestige 2020				Tournament West Coast Schools Prestige 2022
		date 2020-02-22	rnd 6	type Standard	result 0.5	date 2022-02-19	rnd 1	type Standard	result 1
		Opponent Heckor, C (Cairo)				Opponent Slingers, M (Morne)

#	Games	Start				End
1	2	Tournament Onder-Weskus Top Skole 2022				Tournament Lower West Coast High Schools Prestige 2023
		date 2022-06-04	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Burger, M (Migael)				Opponent Snyers, L (Luciano)
2	1	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast High Schools Prestige 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Witbooi, J (Jaden)				Opponent Witbooi, J (Jaden)
3	1	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast High Schools Prestige 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Noorman, J (Jaden)				Opponent Noorman, J (Jaden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Onder-Weskus Top Skole 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-06-04	rnd 5	type Rapid	result 1	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Burger, M (Migael)				Opponent Beukes, H (Hen-Lee)
2	2	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-05-29	rnd 6	type Standard	result 1
		Opponent Roos, M (Michael)				Opponent Tengren, L (Liam)
3	2	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 5	type Standard	result 1	date 2022-02-19	rnd 6	type Standard	result 1
		Opponent Van Wyk, J (Jaden)				Opponent Stewe, R (Raphael)

#	Games	Start				End
1	5	Tournament Western Cape Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Roos, M (Michael)				Opponent Beukes, H (Hen-Lee)
2	2	Tournament West Coast Schools Prestige 2022				Tournament West Coast Schools Prestige 2022
		date 2022-02-19	rnd 5	type Standard	result 1	date 2022-02-19	rnd 6	type Standard	result 1
		Opponent Van Wyk, J (Jaden)				Opponent Stewe, R (Raphael)
3	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Smith, A (Arnold)				Opponent Taylor, G (Gershan)

#	Games	Start				End
1	2	Tournament Onder-Weskus Top Skole 2022				Tournament Lower West Coast High Schools Prestige 2023
		date 2022-06-04	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Burger, M (Migael)				Opponent Snyers, L (Luciano)
2	1	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast High Schools Prestige 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Witbooi, J (Jaden)				Opponent Witbooi, J (Jaden)
3	1	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast High Schools Prestige 2023
		date 2023-02-11	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Noorman, J (Jaden)				Opponent Noorman, J (Jaden)

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	Beukes ,H (Hen-Lee)	2	2	425	2	2	425	0	0	0	0	0	0
1	Beukes ,H (Hen-Lee)	2	1185.5	1610.5	2	1193.6	1610.5	0	0	0	0	0	0
2	Gentles ,A (Abrian)	2	1	0	2	1	0	0	0	0	0	0	0
2	Gentles ,A (Abrian)	2	1161.8	1161.8	2	1200	1161.8	0	0	0	0	0	0
3	Cloete ,D (De Vlliers)	2	1	0	1	1	425	1	0	-425	0	0	0
3	Cloete ,D (De Vlliers)	2	1130.7	1130.7	1	1103.5	1555.7	1	1188.8	705.7	0	0	0
4	Booysen ,L (Lukas)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Booysen ,L (Lukas)	1	1399.5	974.5	1	1389.5	974.5	0	0	0	0	0	0
5	Tengren ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
5	Tengren ,L (Liam)	1	1218.6	1643.6	1	1220.4	1643.6	0	0	0	0	0	0
6	Claase ,E (Evan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Claase ,E (Evan)	1	1079.2	1504.2	1	1108.8	1504.2	0	0	0	0	0	0
7	Kotze ,M (Maxwell)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kotze ,M (Maxwell)	1	1194.6	769.6	1	1113.2	769.6	0	0	0	0	0	0
8	Saal ,F (Fabian)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Saal ,F (Fabian)	1	1285.7	860.7	1	1321	860.7	0	0	0	0	0	0
9	Van Rooyen ,S (Sergio)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Rooyen ,S (Sergio)	1	1112.1	1537.1	1	1058.8	1537.1	0	0	0	0	0	0
10	Smith ,A (Arnold)	1	1	425	1	1	425	0	0	0	0	0	0
10	Smith ,A (Arnold)	1	1172.2	1597.2	1	1200	1597.2	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

Holt, I (Isiah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms