Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pillemer, C (Coby)

Chess SA id

1090136231

FIDE id

Date of birth

2009-04-08 (U18)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-11-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1431.4	1348.8	1422.4	1200
Raw rating	1431.4	1348.8	1422.4	1200
Weighted rating	1431.4	1348.8	1422.4	1200
Weighted performance	935	0	871.2	0
Floor	931.4	848.8	922.4	700
K-factor	32	36	32	36
Min/Max rating change allowed	119.2	134.1	120.8	165.8
Highest rating	1480.6 2022-11-01	1554.1 2022-03-01	1460.8 2022-01-01	1200 2018-10-01
Highest raw rating	1431.4 2024-02-01	1348.8 2024-02-01	1422.4 2024-02-01	1200 2024-02-01
Highest weighted rating	1431.4 2025-02-01	1348.8 2025-02-01	1422.4 2025-02-01	1200 2018-10-01
Highest weighted performance	1480.6 2022-11-01	1554.1 2022-03-01	1460.8 2022-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1431.4	1348.8	1422.4	1200
Analysis
Rating	1431.4	1348.8	1422.4	1200
Raw rating	1431.4	1348.8	1422.4	1200
Weighted rating	1431.4	1348.8	1422.4
Weighted performance	935	0	871.2
K-factor	32	36	32	36
Floor	931.4	848.8	922.4	700
Max/Min rating change allowed	119.2	134.1	120.8	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	1431.4	1348.8	1422.4	1200
New weighted rating	1431.4	1348.8	1422.4	1200
New weighted performance	934.5	0	870.7	0
Temp new rating	1431.4	1348.8	1422.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1431.4	1348.8	1422.4	1200
New K-factor	32	36	32	36
New floor	931.4	848.8	922.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	38	17	21
	6	0	6
History	44	17	27

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	44	35.5	80.68	260.8	1223.1	1483.9
Standard	17	13	76.47	225	1241.4	1466.4
Rapid	27	22.5	83.33	283.3	1211.6	1494.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1431.4	1348.8	1422.4	1200
2025-09-01	1431.4	1348.8	1422.4	1200
2025-08-01	1431.4	1348.8	1422.4	1200
2025-07-01	1431.4	1348.8	1422.4	1200
2025-06-01	1431.4	1348.8	1422.4	1200
2025-05-01	1431.4	1348.8	1422.4	1200
2025-04-01	1431.4	1348.8	1422.4	1200
2025-03-01	1431.4	1348.8	1422.4	1200
2025-02-01	1431.4	1348.8	1422.4	1200
2025-01-01	1431.4	1348.8	1422.4	1200
2024-12-01	1431.4	1348.8	1422.4	1200
2024-11-01	1431.4	1348.8	1422.4	1200
2024-10-01	1431.4	1348.8	1422.4	1200
2024-09-01	1431.4	1348.8	1422.4	1200
2024-08-01	1431.4	1348.8	1422.4	1200
2024-07-01	1431.4	1348.8	1422.4	1200
2024-06-01	1431.4	1348.8	1422.4	1200
2024-08-01	1431.4	1348.8	1422.4	1200
2024-04-01	1431.4	1348.8	1422.4	1200
2024-03-01	1431.4	1348.8	1422.4	1200
2024-02-01	1431.4	1348.8	1422.4	1200
2024-01-01	1431.4	1348.8	1422.4	1200
2023-12-01	1431.4	1348.8	1422.4	1200
2023-11-01	1431.4	1348.8	1422.4	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	UPS Exam Cool Down Rapid Challenge 2022 (Open)	2022-11-19	2022-11-19	Rapid	iLembe (KIK)	5	5	5	Yes	Analysis
2	2nd Durban Trials 2022	2022-11-05	2022-11-05	Standard	Ethekwini (KED)	6	6	5	Yes	Analysis
3	Durban Trials Selection 2022	2022-10-15	2022-10-16	Standard	Ethekwini (KED)	6	5	3	Yes	Analysis
4	Umhlali Preparatory Rapid 2022 (Senior Primary)	2022-05-14	2022-05-14	Rapid	iLembe (KIK)	6	6	5	Yes	Analysis
5	2022 ECA 1st Youth Trials (U14)	2022-03-05	2022-03-06	Standard	Ethekwini (KED)	6	6	5	Yes	Analysis
6	Ashton Ballito Championship 2022 (B)	2022-02-19	2022-02-19	Rapid	iLembe (KIK)	5	4	3.5	Yes	Analysis
7	2022 Umhlanga Rapid (B)	2022-01-29	2022-01-29	Rapid	Ethekwini (KED)	6	6	5.5	Yes	Analysis
8	Umhlanga Rapid 2021 (B)	2021-12-04	2021-12-04	Rapid	iLembe (KIK)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	13	Tournament Umhlanga Rapid 2021				Tournament 2022 ECA 1st Youth Trials
		date 2021-12-04	rnd 6	type Rapid	result 1	date 2022-03-05	rnd 2	type Standard	result 1
		Opponent Munien, L (Leyah)				Opponent Mtsiki, A (Abdul)
2	7	Tournament 2nd Durban Trials 2022				Tournament UPS Exam Cool Down Rapid Challenge 2022
		date 2022-11-05	rnd 5	type Standard	result 1	date 2022-11-19	rnd 5	type Rapid	result 1
		Opponent Chetty, M (Mikhaelin)				Opponent Govender, T (Tristan)
3	7	Tournament 2022 ECA 1st Youth Trials				Tournament Umhlali Preparatory Rapid 2022
		date 2022-03-06	rnd 4	type Standard	result 1	date 2022-05-14	rnd 4	type Rapid	result 1
		Opponent Magudulela, N (Ndumiso)				Opponent Naidu, S (Saien)

#	Games	Start				End
1	6	Tournament Durban Trials Selection 2022				Tournament 2nd Durban Trials 2022
		date 2022-10-15	rnd 3	type Standard	result 1	date 2022-11-05	rnd 3	type Standard	result 1
		Opponent Kalpee, G (Gia)				Opponent Zungu, L (Lindokuhle)
2	3	Tournament 2022 ECA 1st Youth Trials				Tournament 2022 ECA 1st Youth Trials
		date 2022-03-06	rnd 4	type Standard	result 1	date 2022-03-06	rnd 6	type Standard	result 1
		Opponent Magudulela, N (Ndumiso)				Opponent Jugree, A (Arav)
3	2	Tournament 2nd Durban Trials 2022				Tournament 2nd Durban Trials 2022
		date 2022-11-05	rnd 5	type Standard	result 1	date 2022-11-05	rnd 6	type Standard	result 1
		Opponent Chetty, M (Mikhaelin)				Opponent Naidu, S (Saien)

#	Games	Start				End
1	15	Tournament Umhlanga Rapid 2021				Tournament Umhlali Preparatory Rapid 2022
		date 2021-12-04	rnd 6	type Rapid	result 1	date 2022-05-14	rnd 4	type Rapid	result 1
		Opponent Munien, L (Leyah)				Opponent Naidu, S (Saien)
2	6	Tournament Umhlali Preparatory Rapid 2022				Tournament UPS Exam Cool Down Rapid Challenge 2022
		date 2022-05-14	rnd 6	type Rapid	result 1	date 2022-11-19	rnd 5	type Rapid	result 1
		Opponent Sivigobind, C (Chloe)				Opponent Govender, T (Tristan)
3	2	Tournament Umhlanga Rapid 2021				Tournament Umhlanga Rapid 2021
		date 2021-12-04	rnd 3	type Rapid	result 0.5	date 2021-12-04	rnd 4	type Rapid	result 1
		Opponent Chetty, M (Mikyle)				Opponent Francis, N (Nasser)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2nd Durban Trials 2022				Tournament UPS Exam Cool Down Rapid Challenge 2022
		date 2022-11-05	rnd 5	type Standard	result 1	date 2022-11-19	rnd 5	type Rapid	result 1
		Opponent Chetty, M (Mikhaelin)				Opponent Govender, T (Tristan)
2	7	Tournament 2022 ECA 1st Youth Trials				Tournament Umhlali Preparatory Rapid 2022
		date 2022-03-06	rnd 4	type Standard	result 1	date 2022-05-14	rnd 4	type Rapid	result 1
		Opponent Magudulela, N (Ndumiso)				Opponent Naidu, S (Saien)
3	6	Tournament Durban Trials Selection 2022				Tournament 2nd Durban Trials 2022
		date 2022-10-15	rnd 3	type Standard	result 1	date 2022-11-05	rnd 3	type Standard	result 1
		Opponent Kalpee, G (Gia)				Opponent Zungu, L (Lindokuhle)

#	Games	Start				End
1	6	Tournament Durban Trials Selection 2022				Tournament 2nd Durban Trials 2022
		date 2022-10-15	rnd 3	type Standard	result 1	date 2022-11-05	rnd 3	type Standard	result 1
		Opponent Kalpee, G (Gia)				Opponent Zungu, L (Lindokuhle)
2	3	Tournament 2022 ECA 1st Youth Trials				Tournament 2022 ECA 1st Youth Trials
		date 2022-03-06	rnd 4	type Standard	result 1	date 2022-03-06	rnd 6	type Standard	result 1
		Opponent Magudulela, N (Ndumiso)				Opponent Jugree, A (Arav)
3	2	Tournament 2nd Durban Trials 2022				Tournament 2nd Durban Trials 2022
		date 2022-11-05	rnd 5	type Standard	result 1	date 2022-11-05	rnd 6	type Standard	result 1
		Opponent Chetty, M (Mikhaelin)				Opponent Naidu, S (Saien)

#	Games	Start				End
1	6	Tournament Umhlali Preparatory Rapid 2022				Tournament UPS Exam Cool Down Rapid Challenge 2022
		date 2022-05-14	rnd 6	type Rapid	result 1	date 2022-11-19	rnd 5	type Rapid	result 1
		Opponent Sivigobind, C (Chloe)				Opponent Govender, T (Tristan)
2	5	Tournament 2022 Umhlanga Rapid				Tournament Ashton Ballito Championship 2022
		date 2022-01-29	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 4	type Rapid	result 1
		Opponent Subramoney, R (Riaan)				Opponent Heyns, QR (Quaid)
3	4	Tournament Umhlali Preparatory Rapid 2022				Tournament Umhlali Preparatory Rapid 2022
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-05-14	rnd 4	type Rapid	result 1
		Opponent Powell-Rees, M (Megan)				Opponent Naidu, S (Saien)

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	Naidu ,S (Saien)	3	3	425	1	1	425	2	2	425	0	0	0
1	Naidu ,S (Saien)	3	1243.4	1668.4	1	1302	1668.4	2	1229.5	1668.4	0	0	0
2	Jugree ,A (Arav)	2	1	0	1	1	425	1	0	-425	0	0	0
2	Jugree ,A (Arav)	2	1476	1476	1	1494.7	1901	1	1394.5	1051	0	0	0
3	Francis ,N (Nasser)	2	2	425	0	0	0	2	2	425	0	0	0
3	Francis ,N (Nasser)	2	1183.7	1608.7	0	0	0	2	1183.2	1608.7	0	0	0
4	Zungu ,L (Lindokuhle)	1	1	425	1	1	425	0	0	0	0	0	0
4	Zungu ,L (Lindokuhle)	1	1217.4	1642.4	1	1184.4	1642.4	0	0	0	0	0	0
5	Mpofana ,A (Ayabonga)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mpofana ,A (Ayabonga)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Govender ,R (Rishen)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Govender ,R (Rishen)	1	1129	704	1	1125.3	704	0	0	0	0	0	0
7	Murugas ,J (Jaden)	1	1	425	1	1	425	0	0	0	0	0	0
7	Murugas ,J (Jaden)	1	1202.3	1627.3	1	1200	1627.3	0	0	0	0	0	0
8	Magudulela ,N (Ndumiso)	1	1	425	1	1	425	0	0	0	0	0	0
8	Magudulela ,N (Ndumiso)	1	1259.6	1684.6	1	1227.2	1684.6	0	0	0	0	0	0
9	Kalpee ,G (Gia)	1	1	425	1	1	425	0	0	0	0	0	0
9	Kalpee ,G (Gia)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Chetty ,M (Mikhaelin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Chetty ,M (Mikhaelin)	1	1167.8	1592.8	1	1160.8	1592.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pillemer, C (Coby)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms