Chess South Africa Ratings Database

PLAYER PAGE

Personal

Buchalter, D (David)

Chess SA id

1840130733

FIDE id

Date of birth

1984-08-15 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

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	1299.4	1287.2	1300	1300
Raw rating	1299.4	1287.2	1300	1300
Weighted rating	1298.5	1286.4	1299	1299
Weighted performance	0	0	0	0
Floor	799.4	787.2	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	143.9	146.4	143.8	143.8
Highest rating	1299.4 2024-02-01	1287.2 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1299.4 2024-02-01	1287.2 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1296.3 2025-08-01	1284.5 2025-08-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1222.8 2020-02-01	1214.3 2020-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1299.4	1287.2	1300	1300
Analysis
Rating	1299.4	1287.2	1300	1300
Raw rating	1299.4	1287.2	1300	1300
Weighted rating	1298.5	1286.4	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	799.4	787.2	800	800
Max/Min rating change allowed	143.9	146.4	143.8	143.8
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	1299.4	1287.2	1300	1300
New weighted rating	1299.1	1286.9	1299.7	1299.7
New weighted performance	0	0	0	0
Temp new rating	1299.4	1287.2	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1299.4	1287.2	1300	1300
New K-factor	36	36	36	36
New floor	799.4	787.2	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	5	3	60	85	1137.8	1222.8
Standard	5	3	60	85	1137.8	1222.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1299.4	1287.2	1300	1300
2025-09-01	1299.4	1287.2	1300	1300
2025-08-01	1299.4	1287.2	1300	1300
2025-07-01	1299.4	1287.2	1300	1300
2025-06-01	1299.4	1287.2	1300	1300
2025-05-01	1299.4	1287.2	1300	1300
2025-04-01	1299.4	1287.2	1300	1300
2025-03-01	1299.4	1287.2	1300	1300
2025-02-01	1299.4	1287.2	1300	1300
2025-01-01	1299.4	1287.2	1300	1300
2024-12-01	1299.4	1287.2	1300	1300
2024-11-01	1299.4	1287.2	1300	1300
2024-10-01	1299.4	1287.2	1300	1300
2024-09-01	1299.4	1287.2	1300	1300
2024-08-01	1299.4	1287.2	1300	1300
2024-07-01	1299.4	1287.2	1300	1300
2024-06-01	1299.4	1287.2	1300	1300
2024-08-01	1299.4	1287.2	1300	1300
2024-04-01	1299.4	1287.2	1300	1300
2024-03-01	1299.4	1287.2	1300	1300
2024-02-01	1299.4	1287.2	1300	1300
2024-01-01	1299.4	1287.2	1300	1300
2023-12-01	1206	1205.2	1200	1200
2023-11-01	1206	1205.2	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	JNW Club - Bryanston Open1 2020 (Adults)	2020-02-01	2020-02-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Bryanston Open1 2020
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-01	rnd 5	type Standard	result 1
		Opponent Dinham, J (Jenny)				Opponent Pather, L (Lineshan)

#	Games	Start				End
1	3	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Bryanston Open1 2020
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-01	rnd 5	type Standard	result 1
		Opponent Dinham, J (Jenny)				Opponent Pather, L (Lineshan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Bryanston Open1 2020
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-01	rnd 5	type Standard	result 1
		Opponent Dinham, J (Jenny)				Opponent Pather, L (Lineshan)

#	Games	Start				End
1	3	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Bryanston Open1 2020
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-01	rnd 5	type Standard	result 1
		Opponent Dinham, J (Jenny)				Opponent Pather, L (Lineshan)

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	Goldberg ,M (Mark)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Goldberg ,M (Mark)	1	1203.5	778.5	1	1206	778.5	0	0	0	0	0	0
2	Papanicdaon ,N (Nico)	1	1	425	1	1	425	0	0	0	0	0	0
2	Papanicdaon ,N (Nico)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Pather ,L (Lineshan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Pather ,L (Lineshan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Dinham ,J (Jenny)	1	1	425	1	1	425	0	0	0	0	0	0
4	Dinham ,J (Jenny)	1	985.9	1410.9	1	953.6	1410.9	0	0	0	0	0	0
5	Thato ,M (Maritshi)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Thato ,M (Maritshi)	1	1099.5	674.5	1	1086.8	674.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Buchalter, D (David)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms