Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kay, I (Isaac)

Chess SA id

163014997

FIDE id

Date of birth

1963-12-12 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1343.7	1277.8	1451.9	1428
Raw rating	1343.7	1277.8	1451.9	1428
Weighted rating	1325.5	1277.8	1438.3	1427.7
Weighted performance	0	0	0	0
Floor	902.2	902.2	951.9	928
K-factor	32	32	32	32
Min/Max rating change allowed	135.1	148.4	115.8	119.8
Highest rating	1402.2 2018-01-01	1402.2 2018-01-01	1451.9 2025-04-01	1428 2024-02-01
Highest raw rating	1402.2 2018-01-01	1402.2 2018-01-01	1451.9 2025-04-01	1428 2024-02-01
Highest weighted rating	1402.2 2018-01-01	1402.2 2018-01-01	1434.6 2025-08-01	1427.1 2025-08-01
Highest weighted performance	1233 2018-04-01	1231.7 2018-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1343.7	1277.8	1451.9	1428
Analysis
Rating	1343.7	1277.8	1451.9	1428
Raw rating	1343.7	1277.8	1451.9	1428
Weighted rating	1325.5	1277.8	1438.3
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	902.2	902.2	951.9	928
Max/Min rating change allowed	135.1	148.4	115.8	119.8
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	1343.7	1277.8	1451.9	1428
New weighted rating	1327.7	1277.8	1439.9	1427.9
New weighted performance	0	0	0	0
Temp new rating	1343.7	1277.8	1451.9	1428
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1343.7	1277.8	1451.9	1428
New K-factor	32	32	32	32
New floor	902.2	902.2	951.9	928

Item	Main	Standard	Rapid
	0	0	0
	7	0	7
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	94	75	19

Games since
	Main 13	Standard 0		Rapid 13		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	7	4	57.14	60.7	1512.4	1573.1
Standard	0	0	0	0	0	0
Rapid	7	4	57.14	60.7	1512.4	1573.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	33	14.5	43.94	-51.5	1351.9	1300.4
Standard	20	7.5	37.5	-106.2	1272.7	1166.5
Rapid	13	7	53.85	32.7	1473.8	1506.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1343.7	1277.8	1451.9	1428
2025-09-01	1343.7	1277.8	1451.9	1428
2025-08-01	1343.7	1277.8	1451.9	1428
2025-07-01	1343.7	1277.8	1451.9	1428
2025-06-01	1343.7	1277.8	1451.9	1428
2025-05-01	1343.7	1277.8	1451.9	1428
2025-04-01	1343.7	1277.8	1451.9	1428
2025-03-01	1312.2	1277.8	1423.5	1428
2025-02-01	1312.2	1277.8	1423.5	1428
2025-01-01	1312.2	1277.8	1423.5	1428
2024-12-01	1312.2	1277.8	1423.5	1428
2024-11-01	1312.2	1277.8	1423.5	1428
2024-10-01	1304.4	1277.8	1428	1428
2024-09-01	1304.4	1277.8	1428	1428
2024-08-01	1304.4	1277.8	1428	1428
2024-07-01	1304.4	1277.8	1428	1428
2024-06-01	1304.4	1277.8	1428	1428
2024-08-01	1304.4	1277.8	1428	1428
2024-04-01	1304.4	1277.8	1428	1428
2024-03-01	1304.4	1277.8	1428	1428
2024-02-01	1304.4	1277.8	1428	1428
2024-01-01	1304.4	1277.8	1428	1428
2023-12-01	1288.9	1277.8	1402.2	1402.2
2023-11-01	1288.9	1277.8	1402.2	1402.2

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	Steinitz Festival 2025 (Open)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Steinitz Festival 2025 (Open)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis
2	UCT Open Chess Championship 2024 (Open Rapid)	2024-10-12	2024-10-13	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
3	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	3	1	Yes	Analysis
4	2018 Western Province League (D)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	5	2	Yes	Analysis
5	Eldo Smart Memorial Rapid Tournament 2018	2018-06-16	2018-06-16	Rapid	Cape Town (WCT)	7	0	0	No	Analysis
6	Crossroads Open Chess Championship 2018 (B)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
7	2018 Cape of Good Hope Open Chess Championships (Prestige)	2018-01-26	2018-01-28	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent De Villiers, C (Christiaan)				Opponent Speelman, S (Sivuyile)
2	2	Tournament UCT Open Chess Championship 2024				Tournament Steinitz Festival 2025
		date 2024-10-13	rnd 6	type Rapid	result 1	date 2025-03-15	rnd 1	type Rapid	result 1
		Opponent Maxwell, T (Tristan)				Opponent Oosthuizen, E (Ethan)
3	2	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-12	rnd 3	type Rapid	result 1
		Opponent Bessesen, S (Sigi)				Opponent Du Plessis, B (Bennie)

#	Games	Start				End
1	2	Tournament Crossroads Open Chess Championship 2018				Tournament Crossroads Open Chess Championship 2018
		date 2018-04-27	rnd 1	type Standard	result 1	date 2018-04-27	rnd 2	type Standard	result 0.5
		Opponent Mkentane, L (Lutho)				Opponent Kapp, E (Ettiene)
2	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-08	rnd 10	type Standard	result 1	date 2018-09-08	rnd 10	type Standard	result 1
		Opponent Williams, B (Brett)				Opponent Williams, B (Brett)
3	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-01	rnd 7	type Standard	result 1	date 2018-09-01	rnd 7	type Standard	result 1
		Opponent Maxwell, CP (Christian)				Opponent Maxwell, CP (Christian)

#	Games	Start				End
1	2	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent De Villiers, C (Christiaan)				Opponent Speelman, S (Sivuyile)
2	2	Tournament UCT Open Chess Championship 2024				Tournament Steinitz Festival 2025
		date 2024-10-13	rnd 6	type Rapid	result 1	date 2025-03-15	rnd 1	type Rapid	result 1
		Opponent Maxwell, T (Tristan)				Opponent Oosthuizen, E (Ethan)
3	2	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-12	rnd 3	type Rapid	result 1
		Opponent Bessesen, S (Sigi)				Opponent Du Plessis, B (Bennie)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent De Villiers, C (Christiaan)				Opponent Speelman, S (Sivuyile)
2	2	Tournament UCT Open Chess Championship 2024				Tournament Steinitz Festival 2025
		date 2024-10-13	rnd 6	type Rapid	result 1	date 2025-03-15	rnd 1	type Rapid	result 1
		Opponent Maxwell, T (Tristan)				Opponent Oosthuizen, E (Ethan)
3	2	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-12	rnd 3	type Rapid	result 1
		Opponent Bessesen, S (Sigi)				Opponent Du Plessis, B (Bennie)

#	Games	Start				End
1	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-08	rnd 10	type Standard	result 1	date 2018-09-08	rnd 10	type Standard	result 1
		Opponent Williams, B (Brett)				Opponent Williams, B (Brett)
2	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-01	rnd 7	type Standard	result 1	date 2018-09-01	rnd 7	type Standard	result 1
		Opponent Maxwell, CP (Christian)				Opponent Maxwell, CP (Christian)
3	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-08-18	rnd 5	type Standard	result 1
		Opponent Swartz, L (Lyndon)				Opponent Swartz, L (Lyndon)

#	Games	Start				End
1	2	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent De Villiers, C (Christiaan)				Opponent Speelman, S (Sivuyile)
2	2	Tournament UCT Open Chess Championship 2024				Tournament Steinitz Festival 2025
		date 2024-10-13	rnd 6	type Rapid	result 1	date 2025-03-15	rnd 1	type Rapid	result 1
		Opponent Maxwell, T (Tristan)				Opponent Oosthuizen, E (Ethan)
3	2	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-12	rnd 3	type Rapid	result 1
		Opponent Bessesen, S (Sigi)				Opponent Du Plessis, B (Bennie)

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	Kapp ,E (Ettiene)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Kapp ,E (Ettiene)	2	1257.8	1045.3	2	1258.2	1045.3	0	0	0	0	0	0
2	Mkentane ,L (Lutho)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mkentane ,L (Lutho)	1	1268.2	1693.2	1	1258.5	1693.2	0	0	0	0	0	0
3	Pienaar ,A (Ane)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pienaar ,A (Ane)	1	1069	644	1	1069	644	0	0	0	0	0	0
4	Flores Bartoli ,A (Andrew)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Flores Bartoli ,A (Andrew)	1	1656.8	1231.8	1	1656.8	1231.8	0	0	0	0	0	0
5	Makwatie ,DJ (Deon)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Makwatie ,DJ (Deon)	1	1175.5	750.5	1	1175.5	750.5	0	0	0	0	0	0
6	Williams ,B (Brett)	1	1	425	1	1	425	0	0	0	0	0	0
6	Williams ,B (Brett)	1	1223.2	1648.2	1	1215.7	1648.2	0	0	0	0	0	0
7	Jenkins ,T (Tauriq)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Jenkins ,T (Tauriq)	1	1600.9	1175.9	1	1600.9	1175.9	0	0	0	0	0	0
8	Kungwayo ,M (Mbasa)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kungwayo ,M (Mbasa)	1	1275.7	850.7	1	1275.7	850.7	0	0	0	0	0	0
9	Paulse ,AL (Angelo Angelo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Paulse ,AL (Angelo Angelo)	1	1418.7	1843.7	1	1417.5	1843.7	0	0	0	0	0	0
10	Coetzee ,A (Aden)	1	1	425	1	1	425	0	0	0	0	0	0
10	Coetzee ,A (Aden)	1	1236.5	1661.5	1	1230	1661.5	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

Kay, I (Isaac)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms