Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, I (Izak)

Chess SA id

1050192782

FIDE id

Date of birth

2005-11-18 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1168.7	1186.8	1125.5	1200
Raw rating	1168.7	1186.8	1125.5	1200
Weighted rating	1165.5	1185.4	1118.3	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.4	169	184.4	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1168.7	1186.8	1125.5	1200
Analysis
Rating	1168.7	1186.8	1125.5	1200
Raw rating	1168.7	1186.8	1125.5	1200
Weighted rating	1165.5	1185.4	1118.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.4	169	184.4	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	1168.7	1186.8	1125.5	1200
New weighted rating	1165.6	1185.4	1118.3	1200
New weighted performance	0	0	0	0
Temp new rating	1168.7	1186.8	1125.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1168.7	1186.8	1125.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	23	17	6
	0	0	0
	0	0	0
	0	0	0
History	23	17	6

Games since
	Main 23	Standard 17		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
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	23	8	34.78	-129.3	1234.6	1105.2
Standard	17	7.5	44.12	-50	1242.6	1192.6
Rapid	6	0.5	8.33	-354.2	1211.9	857.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1168.7	1186.8	1125.5	1200
2025-09-01	1168.7	1186.8	1125.5	1200
2025-08-01	1168.7	1186.8	1125.5	1200
2025-07-01	1168.7	1186.8	1125.5	1200
2025-06-01	1168.7	1186.8	1125.5	1200
2025-05-01	1168.7	1186.8	1125.5	1200
2025-04-01	1168.7	1186.8	1125.5	1200
2025-03-01	1168.7	1186.8	1125.5	1200
2025-02-01	1168.7	1186.8	1125.4	1200
2025-01-01	1167.6	1182.4	1099.2	1200
2024-12-01	1167.6	1182.4	1099.2	1200
2024-11-01	1154.7	1180.4	1099.2	1200
2024-10-01	1154.7	1180.4	1099.2	1200
2024-09-01	1154.7	1180.4	1099.2	1200
2024-08-01	1154.7	1180.4	1099.2	1200
2024-07-01	1154.7	1180.4	1099.2	1200
2024-06-01	1154.7	1180.4	1099.2	1200
2024-08-01	1154.7	1180.4	1099.2	1200
2024-04-01	1154.7	1180.4	1099.2	1200
2024-03-01	1136.4	1200	1099.2	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	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	Paarl Boys' High Chess Festival 2024	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
2	Western Cape HS Individuals Championship 2024 (U20 Boys+Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
3	Cape Winelands Schools - Prestige 2024 (U20 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Cape Winelands Schools - HS Trials 1 2024 (U20 Boys+Girls)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	0.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 4	type Standard	result 0.5	date 2024-10-05	rnd 6	type Standard	result 1
		Opponent Kelleher, S (Sophie)				Opponent De Haan, A (Adriaan)
2	2	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 4	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent Mabamba, S (Sibulele)				Opponent Nqilo, X (Xola)
3	2	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Snyman, A (Alex)

#	Games	Start				End
1	3	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 4	type Standard	result 0.5	date 2024-10-05	rnd 6	type Standard	result 1
		Opponent Kelleher, S (Sophie)				Opponent De Haan, A (Adriaan)
2	2	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 4	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent Mabamba, S (Sibulele)				Opponent Nqilo, X (Xola)
3	2	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Snyman, A (Alex)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 0.5	date 2024-02-17	rnd 6	type Rapid	result 0.5
		Opponent Visser, J (Jacob)				Opponent Visser, J (Jacob)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 5	type Standard	result 1	date 2024-10-05	rnd 6	type Standard	result 1
		Opponent Van Der Poel, T (Truhann)				Opponent De Haan, A (Adriaan)
2	2	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 4	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent Mabamba, S (Sibulele)				Opponent Nqilo, X (Xola)
3	2	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Snyman, A (Alex)

#	Games	Start				End
1	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 5	type Standard	result 1	date 2024-10-05	rnd 6	type Standard	result 1
		Opponent Van Der Poel, T (Truhann)				Opponent De Haan, A (Adriaan)
2	2	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 4	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent Mabamba, S (Sibulele)				Opponent Nqilo, X (Xola)
3	2	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Snyman, A (Alex)

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	Visser ,J (Jacob)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
1	Visser ,J (Jacob)	2	1202.1	989.6	1	1202.4	777.1	1	1166.4	1202.1	0	0	0
2	Snyman ,A (Alex)	2	1	0	1	1	425	1	0	-425	0	0	0
2	Snyman ,A (Alex)	2	1338.7	1338.7	1	1239.5	1763.7	1	1281.1	913.7	0	0	0
3	Geel ,R (Ruan)	2	1	0	1	1	425	1	0	-425	0	0	0
3	Geel ,R (Ruan)	2	1164.2	1164.2	1	1134.8	1589.2	1	1200	739.2	0	0	0
4	Janse Van Vuuren ,K (Keagan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Janse Van Vuuren ,K (Keagan)	2	1209.2	784.2	1	1193.9	784.2	1	1170.8	784.2	0	0	0
5	De Haan ,A (Adriaan)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Haan ,A (Adriaan)	1	1370	1795	1	1370.2	1795	0	0	0	0	0	0
6	Nqilo ,X (Xola)	1	1	425	1	1	425	0	0	0	0	0	0
6	Nqilo ,X (Xola)	1	1143.2	1568.2	1	1102.4	1568.2	0	0	0	0	0	0
7	Abrahams ,Q (Qasim)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Abrahams ,Q (Qasim)	1	1233.9	808.9	1	1186.2	808.9	0	0	0	0	0	0
8	Langhtrey ,B (Brentiano)	1	1	425	1	1	425	0	0	0	0	0	0
8	Langhtrey ,B (Brentiano)	1	1148.5	1573.5	1	1139.2	1573.5	0	0	0	0	0	0
9	Van Wyk ,S (Schalk)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Wyk ,S (Schalk)	1	1210.4	785.4	1	1200	785.4	0	0	0	0	0	0
10	Van Der Poel ,T (Truhann)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Der Poel ,T (Truhann)	1	1167.4	1592.4	1	1125.1	1592.4	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

Kotze, I (Izak)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms