Chess South Africa Ratings Database

PLAYER PAGE

Personal

Slomczynski, J (Jonathan)

Chess SA id

104088376

FIDE id

Date of birth

2004-02-14 (Adult)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1025.6	1008.8	963.2	857.2
Raw rating	1025.6	1008.8	963.2	857.2
Weighted rating	1025.6	1008.8	963.2	857.2
Weighted performance	0	0	0	0
Floor	525.6	508.8	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	212.6	217.7	232.4	270.2
Highest rating	1200 2018-02-01	1200 2018-02-01	1314.8 2018-05-01	1200 2024-02-01
Highest raw rating	1025.6 2024-02-01	1008.8 2024-02-01	963.2 2024-02-01	857.2 2024-02-01
Highest weighted rating	1025.6 2024-11-01	1008.8 2024-11-01	963.2 2024-11-01	857.2 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1314.8 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1025.6	1008.8	963.2	857.2
Analysis
Rating	1025.6	1008.8	963.2	857.2
Raw rating	1025.6	1008.8	963.2	857.2
Weighted rating	1025.6	1008.8	963.2
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	525.6	508.8	500	500
Max/Min rating change allowed	212.6	217.7	232.4	270.2
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	1025.6	1008.8	963.2	857.2
New weighted rating	1025.6	1008.8	963.2	857.2
New weighted performance	0	0	0	0
Temp new rating	1025.6	1008.8	963.2	857.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1025.6	1008.8	963.2	857.2
New K-factor	40	40	40	40
New floor	525.6	508.8	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	50	38	12

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	16	9.5	59.38	79.7	1191.1	1270.8
Standard	10	6.5	65	127.5	1125.4	1252.9
Rapid	6	3	50	0	1300.5	1300.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1025.6	1008.8	963.2	857.2
2025-09-01	1025.6	1008.8	963.2	857.2
2025-08-01	1025.6	1008.8	963.2	857.2
2025-07-01	1025.6	1008.8	963.2	857.2
2025-06-01	1025.6	1008.8	963.2	857.2
2025-05-01	1025.6	1008.8	963.2	857.2
2025-04-01	1025.6	1008.8	963.2	857.2
2025-03-01	1025.6	1008.8	963.2	857.2
2025-02-01	1025.6	1008.8	963.2	857.2
2025-01-01	1025.6	1008.8	963.2	857.2
2024-12-01	1025.6	1008.8	963.2	857.2
2024-11-01	1025.6	1008.8	963.2	857.2
2024-10-01	1025.6	1008.8	963.2	857.2
2024-09-01	1025.6	1008.8	963.2	857.2
2024-08-01	1025.6	1008.8	963.2	857.2
2024-07-01	1025.6	1008.8	963.2	857.2
2024-06-01	1025.6	1008.8	963.2	857.2
2024-08-01	1025.6	1008.8	963.2	857.2
2024-04-01	1025.6	1008.8	963.2	857.2
2024-03-01	1025.6	1008.8	963.2	857.2
2024-02-01	1025.6	1008.8	963.2	857.2
2024-01-01	1025.6	1008.8	963.2	857.2
2023-12-01	1025.6	1008.8	963.2	857.2
2023-11-01	1025.6	1008.8	963.2	857.2

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	Grey College Team Championship 2020 (A)	2020-01-31	2020-02-01	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
2	Grey College Team Championship 2019 (B)	2019-02-22	2019-02-23	Standard	Mangaung (FMB)	5	5	5	Yes	Analysis
3	2018 Ethekwini Youth Trials 2 (U16)	2018-05-19	2018-05-20	Standard	Ethekwini (KED)	6	0	0	No	Analysis
4	2018 DHS Rapid Cup	2018-05-05	2018-05-05	Rapid	Ethekwini (KED)	7	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Grey College Team Championship 2019				Tournament Grey College Team Championship 2019
		date 2019-02-22	rnd 1	type Standard	result 1	date 2019-02-23	rnd 5	type Standard	result 1
		Opponent Ngwenya, M (Mthandazo)				Opponent Koeberg, E (Ezay)
2	2	Tournament 2018 DHS Rapid Cup				Tournament 2018 DHS Rapid Cup
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2018-05-05	rnd 6	type Rapid	result 1
		Opponent Muller, M (Michael)				Opponent Muller, G (Grant)
3	1	Tournament Grey College Team Championship 2020				Tournament Grey College Team Championship 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Engelbrecht, R (Rian)				Opponent Engelbrecht, R (Rian)

#	Games	Start				End
1	5	Tournament Grey College Team Championship 2019				Tournament Grey College Team Championship 2019
		date 2019-02-22	rnd 1	type Standard	result 1	date 2019-02-23	rnd 5	type Standard	result 1
		Opponent Ngwenya, M (Mthandazo)				Opponent Koeberg, E (Ezay)
2	1	Tournament Grey College Team Championship 2020				Tournament Grey College Team Championship 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Engelbrecht, R (Rian)				Opponent Engelbrecht, R (Rian)
3	1	Tournament Grey College Team Championship 2020				Tournament Grey College Team Championship 2020
		date 2020-01-31	rnd 2	type Standard	result 0.5	date 2020-01-31	rnd 2	type Standard	result 0.5
		Opponent Ndewere, N (Nissi)				Opponent Ndewere, N (Nissi)

#	Games	Start				End
1	2	Tournament 2018 DHS Rapid Cup				Tournament 2018 DHS Rapid Cup
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2018-05-05	rnd 6	type Rapid	result 1
		Opponent Muller, M (Michael)				Opponent Muller, G (Grant)
2	1	Tournament 2018 DHS Rapid Cup				Tournament 2018 DHS Rapid Cup
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2018-05-05	rnd 3	type Rapid	result 1
		Opponent Liseko, N (Njabulo)				Opponent Liseko, N (Njabulo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Grey College Team Championship 2019				Tournament Grey College Team Championship 2019
		date 2019-02-22	rnd 1	type Standard	result 1	date 2019-02-23	rnd 5	type Standard	result 1
		Opponent Ngwenya, M (Mthandazo)				Opponent Koeberg, E (Ezay)
2	2	Tournament 2018 DHS Rapid Cup				Tournament 2018 DHS Rapid Cup
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2018-05-05	rnd 6	type Rapid	result 1
		Opponent Muller, M (Michael)				Opponent Muller, G (Grant)
3	1	Tournament Grey College Team Championship 2020				Tournament Grey College Team Championship 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Engelbrecht, R (Rian)				Opponent Engelbrecht, R (Rian)

#	Games	Start				End
1	5	Tournament Grey College Team Championship 2019				Tournament Grey College Team Championship 2019
		date 2019-02-22	rnd 1	type Standard	result 1	date 2019-02-23	rnd 5	type Standard	result 1
		Opponent Ngwenya, M (Mthandazo)				Opponent Koeberg, E (Ezay)
2	1	Tournament Grey College Team Championship 2020				Tournament Grey College Team Championship 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Engelbrecht, R (Rian)				Opponent Engelbrecht, R (Rian)

#	Games	Start				End
1	2	Tournament 2018 DHS Rapid Cup				Tournament 2018 DHS Rapid Cup
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2018-05-05	rnd 6	type Rapid	result 1
		Opponent Muller, M (Michael)				Opponent Muller, G (Grant)
2	1	Tournament 2018 DHS Rapid Cup				Tournament 2018 DHS Rapid Cup
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2018-05-05	rnd 3	type Rapid	result 1
		Opponent Liseko, N (Njabulo)				Opponent Liseko, N (Njabulo)

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	Koeberg ,E (Ezay)	1	1	425	1	1	425	0	0	0	0	0	0
1	Koeberg ,E (Ezay)	1	1202.7	1627.7	1	1203.2	1627.7	0	0	0	0	0	0
2	Antony ,R (Rithik)	1	1	425	1	1	425	0	0	0	0	0	0
2	Antony ,R (Rithik)	1	1115.7	1540.7	1	1108	1540.7	0	0	0	0	0	0
3	Zeeman ,JA (Johanna Adriana)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Zeeman ,JA (Johanna Adriana)	1	1226.1	801.1	1	1248.8	801.1	0	0	0	0	0	0
4	Engelbrecht ,R (Rian)	1	1	425	1	1	425	0	0	0	0	0	0
4	Engelbrecht ,R (Rian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Naude ,N (Nia)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Naude ,N (Nia)	1	1272.3	847.3	1	1252	847.3	0	0	0	0	0	0
6	Ndewere ,N (Nissi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Ndewere ,N (Nissi)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Coetzee ,S (Sebastian)	1	1	425	1	1	425	0	0	0	0	0	0
7	Coetzee ,S (Sebastian)	1	1112.7	1537.7	1	1099.6	1537.7	0	0	0	0	0	0
8	Wolfaard ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
8	Wolfaard ,M (Matthew)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Ngwenya ,M (Mthandazo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ngwenya ,M (Mthandazo)	1	563.4	988.4	1	578	988.4	0	0	0	0	0	0
10	Daniel ,CV (Christiaan Victor)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Daniel ,CV (Christiaan Victor)	1	1161.5	736.5	1	1168.9	736.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Slomczynski, J (Jonathan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms