Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Berg, P (Pieter)

Chess SA id

1560115964

FIDE id

Date of birth

1956-11-08 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1614	1596.4	1606.9	1464.4
Raw rating	1614	1596.4	1598.1	1464.4
Weighted rating	1605.9	1591.8	1606.9	1378.8
Weighted performance	1537.5	1445.8	0	0
Floor	1137.5	1116.9	1117	964.4
K-factor	28	28	28	32
Min/Max rating change allowed	91.9	94.3	94	113.8
Highest rating	1637.5 2025-05-05	1616.9 2025-05-05	1747.8 2019-09-01	1464.4 2025-11-01
Highest raw rating	1637.5 2025-05-05	1616.9 2025-05-05	1617 2024-01-01	1464.4 2025-11-01
Highest weighted rating	1605.9 2025-11-01	1591.8 2025-11-01	1598.1 2025-08-01	1378.8 2025-11-01
Highest weighted performance	1599.1 2024-02-01	1571.4 2020-03-01	1747.8 2019-09-01	1410.8 2024-11-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.1	0
New rating	1614	1596.4	1606.9	1464.4
Analysis
Rating	1614	1596.4	1606.9	1464.4
Raw rating	1614	1596.4	1598.1	1464.4
Weighted rating	1605.9	1591.8	1606.9
Weighted performance	1537.5	1445.8	0
K-factor	28	28	28	32
Floor	1137.5	1116.9	1117	964.4
Max/Min rating change allowed	91.9	94.3	94	113.8
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	1614	1596.4	1598.1	1464.4
New weighted rating	1607.6	1593.1	1606.9	1388.2
New weighted performance	1528.3	1436.4	0	0
Temp new rating	1614	1596.4	1606.9	1464.4
Temp new rating +/-	0	0	0.1	0
Final new rating +/-	0	0	0.1	0
New rating	1614	1596.4	1606.9	1464.4
New K-factor	28	28	28	32
New floor	1137.5	1116.9	1117	964.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	43	15	12	16
	33	18	6	9
	20	20	0	0
	0	0	0	0
	0	0	0	0
History	119	70	24	25

Games since
	Main 76	Standard 33		Rapid 18		Blitz 25
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	585		217		82
Male	537		197		70
Adult	273		102		42
Adult Male	257		98		38
Standard
	RSA		Province		Region
Overall	631		245		90
Male	565		215		74
Adult	268		105		44
Adult Male	253		99		39
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	146		46		25
Male	139		44		24
Adult	117		38		19
Adult Male	110		36		18


	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	43	26	60.47	89	1564.9	1653.9
Standard	15	8.5	56.67	56.7	1590.8	1647.4
Rapid	12	7	58.33	70.8	1527.3	1598.2
Blitz	16	10.5	65.62	132.8	1568.9	1701.8
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	119	73	61.34	96.4	1527.2	1623.6
Standard	70	42.5	60.71	91.1	1519.4	1610.5
Rapid	24	15	62.5	106.2	1533.1	1639.3
Blitz	25	15.5	62	102	1543.3	1645.3

Date	Main	Standard	Rapid	Blitz
2025-11-01	1614	1596.4	1598.1	1464.4
2025-09-30	1620.6	1616.9	1598.1	1407.4
2025-09-01	1620.6	1616.9	1598.1	1407.4
2025-08-01	1620.6	1616.9	1598.1	1407.4
2025-07-01	1637.5	1616.9	1616.6	1407.4
2025-06-01	1637.5	1616.9	1616.6	1407.4
2025-05-01	1637.5	1616.9	1616.6	1407.4
2025-04-01	1597.7	1570.4	1616.6	1407.4
2025-03-01	1597.7	1570.4	1616.6	1407.4
2025-02-01	1582.7	1570.4	1608.3	1407.4
2025-01-01	1581.9	1570.4	1608.3	1336.7
2024-12-01	1581.9	1570.4	1608.3	1336.7
2024-11-01	1581.9	1570.4	1608.3	1336.7
2024-10-01	1585.4	1570.4	1608.3	1300
2024-09-01	1585.4	1570.4	1608.3	1300
2024-08-01	1592.6	1578.4	1608.3	1300
2024-07-01	1592.6	1578.4	1608.3	1300
2024-09-01	1592.6	1578.4	1608.3	1300
2024-05-01	1596.2	1585.8	1608.3	1300
2024-04-01	1596.2	1585.8	1608.3	1300
2024-03-01	1556.8	1543.9	1608.3	1300
2024-02-01	1556.8	1543.9	1608.3	1300
2024-01-01	1540.2	1543.9	1617	1300
2023-12-01	1540.2	1530	1334.8	1200

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	Randburg Winter Swiss 2025	2025-07-29	2025-09-16	Standard	Johannesburg Metro (GJM)	8	8	4	Yes	Analysis
2	Randburg Spring Blitz 2025	2025-09-23	2025-09-23	Blitz	Johannesburg Metro (GJM)	7	7	5.5	Yes	Analysis
3	Randburg Chess Club Winter Rapid 2025	2025-07-15	2025-07-22	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
4	Randburg Chess Club New Year Swiss 2025	2025-02-11	2025-04-01	Standard	Johannesburg Metro (GJM)	8	7	4.5	Yes	Analysis
5	Randburg Chess Club New Year Rapid 2025	2025-01-28	2025-02-04	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
6	Randburg New Year Blitz 2025	2025-01-21	2025-01-21	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Randburg Winter Swiss 2025	2025-07-29	2025-09-16	Standard	Johannesburg Metro (GJM)	8	8	4	Yes	Analysis
2	Randburg Spring Blitz 2025	2025-09-23	2025-09-23	Blitz	Johannesburg Metro (GJM)	7	7	5.5	Yes	Analysis
3	Randburg Chess Club Winter Rapid 2025	2025-07-15	2025-07-22	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
4	Randburg Chess Club New Year Swiss 2025	2025-02-11	2025-04-01	Standard	Johannesburg Metro (GJM)	8	7	4.5	Yes	Analysis
5	Randburg Chess Club New Year Rapid 2025	2025-01-28	2025-02-04	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
6	Randburg New Year Blitz 2025	2025-01-21	2025-01-21	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis
7	Randburg Chess Club Blitz Championship 2024	2024-10-22	2024-10-22	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis
8	Randburg Chess Club Winter Swiss 2024	2024-06-11	2024-07-30	Standard	Johannesburg Metro (GJM)	7	5	3	Yes	Analysis
9	Randburg Chess Club Championship 2024	2024-04-09	2024-05-21	Standard	Johannesburg Metro (GJM)	7	6	3.5	Yes	Analysis
10	Randburg Chess Club New Year Swiss 2024	2024-02-06	2024-02-06	Standard	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
11	Randburg New Year Rapid 2024	2024-01-23	2024-01-30	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
12	Randburg Club Championships Swiss 2023	2023-08-29	2023-10-10	Standard	Johannesburg Metro (GJM)	7	7	3.5	Yes	Analysis
13	Randburg Winter Swiss 2023	2023-06-13	2023-07-25	Standard	Johannesburg Metro (GJM)	7	7	5	Yes	Analysis
14	Randburg New Year Swiss 2023	2023-01-31	2023-03-14	Standard	Johannesburg Metro (GJM)	7	6	4	Yes	Analysis
15	Randburg Chess Club Autum Swiss 2020	2020-02-04	2020-03-10	Standard	Johannesburg Metro (GJM)	6	5	4	Yes	Analysis
16	Randburg Chess Club Winter Swiss 2019	2019-07-30	2019-09-03	Standard	Johannesburg Metro (GJM)	6	5	2	Yes	Analysis
17	Randburg Chess Club Rapid Champs 2019	2019-09-10	2019-09-17	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
18	Randburg Club Champs 2019	2019-05-07	2019-06-18	Standard	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis

#	Games	Start				End
1	8	Tournament Randburg Chess Club New Year Swiss 2024				Tournament Randburg Chess Club Championship 2024
		date 2024-02-06	rnd 3	type Standard	result 1	date 2024-04-23	rnd 3	type Standard	result 1
		Opponent Martynov, A (Alexey)				Opponent Mendelsohn, DC (David)
2	7	Tournament Randburg Club Champs 2019				Tournament Randburg Chess Club Winter Swiss 2019
		date 2019-05-28	rnd 4	type Standard	result 1	date 2019-08-13	rnd 3	type Standard	result 0.5
		Opponent Blaschczok, VE (Vinzint)				Opponent Jones, GTD (Graham)
3	6	Tournament Randburg Winter Swiss 2023				Tournament Randburg Club Championships Swiss 2023
		date 2023-06-27	rnd 3	type Standard	result 0.5	date 2023-08-29	rnd 1	type Standard	result 1
		Opponent Tak, R (Rannveer)				Opponent Goldberg, M (Mark)

#	Games	Start				End
1	8	Tournament Randburg Chess Club Winter Swiss 2024				Tournament Randburg Chess Club New Year Swiss 2025
		date 2024-07-09	rnd 4	type Standard	result 0.5	date 2025-03-11	rnd 5	type Standard	result 0.5
		Opponent Martynov, A (Alexey)				Opponent Conradie, D (Dirk)
2	8	Tournament Randburg Chess Club New Year Swiss 2024				Tournament Randburg Chess Club Championship 2024
		date 2024-02-06	rnd 3	type Standard	result 1	date 2024-04-23	rnd 3	type Standard	result 1
		Opponent Martynov, A (Alexey)				Opponent Mendelsohn, DC (David)
3	7	Tournament Randburg Club Champs 2019				Tournament Randburg Chess Club Winter Swiss 2019
		date 2019-05-28	rnd 4	type Standard	result 1	date 2019-08-13	rnd 3	type Standard	result 0.5
		Opponent Blaschczok, VE (Vinzint)				Opponent Jones, GTD (Graham)

#	Games	Start				End
1	4	Tournament Randburg New Year Rapid 2024				Tournament Randburg Chess Club New Year Rapid 2025
		date 2024-01-30	rnd 5	type Rapid	result 1	date 2025-01-28	rnd 2	type Rapid	result 1
		Opponent Martynov, A (Alexey)				Opponent Camphor, L (Latzlo)
2	2	Tournament Randburg Chess Club Winter Rapid 2025				Tournament Randburg Chess Club Winter Rapid 2025
		date 2025-07-15	rnd 2	type Rapid	result 1	date 2025-07-15	rnd 3	type Rapid	result 1
		Opponent Luchies, M (Maria)				Opponent Essop, H (Haroon)
3	2	Tournament Randburg Chess Club New Year Rapid 2025				Tournament Randburg Chess Club New Year Rapid 2025
		date 2025-02-04	rnd 4	type Rapid	result 1	date 2025-02-04	rnd 5	type Rapid	result 1
		Opponent Mphasha, ME (Morwa Elsius)				Opponent Molo, S (Sibo)

#	Games	Start				End
1	4	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 4	type Blitz	result 1	date 2025-01-21	rnd 7	type Blitz	result 1
		Opponent Tshituka, N (Naisvic)				Opponent Ngubeni, JM (Jackie)
2	3	Tournament Randburg Chess Club Blitz Championship 2024				Tournament Randburg Chess Club Blitz Championship 2024
		date 2024-10-22	rnd 6	type Blitz	result 1	date 2024-10-22	rnd 8	type Blitz	result 1
		Opponent Elliot, J (Julian)				Opponent Martynov, A (Alexey)
3	1	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 1	type Blitz	result 1	date 2025-01-21	rnd 1	type Blitz	result 1
		Opponent Camphor, L (Latzlo)				Opponent Camphor, L (Latzlo)

#	Games	Start				End
1	5	Tournament Randburg Chess Club Autum Swiss 2020				Tournament Randburg New Year Swiss 2023
		date 2020-02-18	rnd 3	type Standard	result 1	date 2023-01-31	rnd 1	type Standard	result 1
		Opponent Essop, H (Haroon)				Opponent Loon, M (Marc)
2	4	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 4	type Blitz	result 1	date 2025-01-21	rnd 7	type Blitz	result 1
		Opponent Tshituka, N (Naisvic)				Opponent Ngubeni, JM (Jackie)
3	3	Tournament Randburg Chess Club Blitz Championship 2024				Tournament Randburg Chess Club Blitz Championship 2024
		date 2024-10-22	rnd 6	type Blitz	result 1	date 2024-10-22	rnd 8	type Blitz	result 1
		Opponent Elliot, J (Julian)				Opponent Martynov, A (Alexey)

#	Games	Start				End
1	5	Tournament Randburg Chess Club Autum Swiss 2020				Tournament Randburg New Year Swiss 2023
		date 2020-02-18	rnd 3	type Standard	result 1	date 2023-01-31	rnd 1	type Standard	result 1
		Opponent Essop, H (Haroon)				Opponent Loon, M (Marc)
2	3	Tournament Randburg Club Championships Swiss 2023				Tournament Randburg Chess Club New Year Swiss 2024
		date 2023-10-03	rnd 6	type Standard	result 1	date 2024-02-06	rnd 1	type Standard	result 1
		Opponent Pillay, N (Nico)				Opponent Luchies, M (Maria)
3	3	Tournament Randburg Club Champs 2019				Tournament Randburg Chess Club Winter Swiss 2019
		date 2019-06-11	rnd 6	type Standard	result 1	date 2019-07-30	rnd 1	type Standard	result 1
		Opponent Essop, H (Haroon)				Opponent Essop, R (Rashied)

#	Games	Start				End
1	4	Tournament Randburg New Year Rapid 2024				Tournament Randburg Chess Club New Year Rapid 2025
		date 2024-01-30	rnd 5	type Rapid	result 1	date 2025-01-28	rnd 2	type Rapid	result 1
		Opponent Martynov, A (Alexey)				Opponent Camphor, L (Latzlo)
2	2	Tournament Randburg Chess Club Winter Rapid 2025				Tournament Randburg Chess Club Winter Rapid 2025
		date 2025-07-15	rnd 2	type Rapid	result 1	date 2025-07-15	rnd 3	type Rapid	result 1
		Opponent Luchies, M (Maria)				Opponent Essop, H (Haroon)
3	2	Tournament Randburg Chess Club New Year Rapid 2025				Tournament Randburg Chess Club New Year Rapid 2025
		date 2025-02-04	rnd 4	type Rapid	result 1	date 2025-02-04	rnd 5	type Rapid	result 1
		Opponent Mphasha, ME (Morwa Elsius)				Opponent Molo, S (Sibo)

#	Games	Start				End
1	4	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 4	type Blitz	result 1	date 2025-01-21	rnd 7	type Blitz	result 1
		Opponent Tshituka, N (Naisvic)				Opponent Ngubeni, JM (Jackie)
2	3	Tournament Randburg Chess Club Blitz Championship 2024				Tournament Randburg Chess Club Blitz Championship 2024
		date 2024-10-22	rnd 6	type Blitz	result 1	date 2024-10-22	rnd 8	type Blitz	result 1
		Opponent Elliot, J (Julian)				Opponent Martynov, A (Alexey)
3	1	Tournament Randburg New Year Blitz 2025				Tournament Randburg New Year Blitz 2025
		date 2025-01-21	rnd 1	type Blitz	result 1	date 2025-01-21	rnd 1	type Blitz	result 1
		Opponent Camphor, L (Latzlo)				Opponent Camphor, L (Latzlo)

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	Mendelsohn ,DC (David Charles)	5	3	85	5	3	85	0	0	0	0	0	0
1	Mendelsohn ,DC (David Charles)	5	1658.3	1743.3	5	1650.9	1743.3	0	0	0	0	0	0
2	Jones ,GTD (Graham Thomas Daffurn)	5	3.5	170	4	2.5	106.2	1	1	425	0	0	0
2	Jones ,GTD (Graham Thomas Daffurn)	5	1508.7	1678.7	4	1508.1	1615	1	1525	1933.7	0	0	0
3	Metcalfe ,AR (Allister Richard)	5	3.5	170	3	1.5	0	2	2	425	0	0	0
3	Metcalfe ,AR (Allister Richard)	5	1727.2	1897.2	3	1746.2	1727.2	2	1731.1	2152.2	0	0	0
4	Martynov ,A (Alexey)	5	4.5	340	2	1.5	212.5	1	1	425	2	2	425
4	Martynov ,A (Alexey)	5	1404.2	1744.2	2	1372.6	1616.7	1	1200	1829.2	2	1260.8	1829.2
5	Mazibuko ,K (Khanya)	5	0.5	-340	1	0	-425	2	0	-425	2	0.5	-212.5
5	Mazibuko ,K (Khanya)	5	2026.8	1686.8	1	1928	1601.8	2	1933.9	1601.8	2	1901.4	1814.3
6	Molo ,S (Sibo)	5	4	255	1	1	425	1	1	425	3	2	141.7
6	Molo ,S (Sibo)	5	1501.4	1756.4	1	1419.5	1926.4	1	1371.6	1926.4	3	1348	1643.1
7	Essop ,H (Haroon)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
7	Essop ,H (Haroon)	4	1458.9	1671.4	3	1455	1600.6	1	1412.3	1883.9	0	0	0
8	Kleyn ,AE (Andrew Edward)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
8	Kleyn ,AE (Andrew Edward)	4	1704.2	1491.7	3	1691.5	1562.6	1	1815.8	1279.2	0	0	0
9	Hangelbroek ,P (Peter)	4	4	425	2	2	425	1	1	425	1	1	425
9	Hangelbroek ,P (Peter)	4	1513.2	1938.2	2	1506.4	1938.2	1	1604.6	1938.2	1	1604.6	1938.2
10	Sparks ,SJW (Stephen)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
10	Sparks ,SJW (Stephen)	3	1515	1656.7	3	1471.4	1656.7	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

Van Der Berg, P (Pieter)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms