Chess South Africa
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Chess South Africa
Van Der Berg, P (Pieter)
Dob:
1956/11/08 (Adult)
Gender:
Male
Chess SA id:
1560115964
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/05/21 (33 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1592.6
Current Weighted rating
1535.2
Current Weighted performance
1546.2
Current official/published rating (highest between Raw, WR and WP)
1592.6
Current highest rating achieved
1596.2
Current floor (min rating allowed)
1096.2
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±94.8
Current Raw change used (final)
0.0
Projected new Raw rating
1592.6
Projected new Weighed rating
1414.6
Projected new Weighted performance
1546.2
Projected new final Raw rating (if new WP > new Raw)
1592.6
Projected new highest rating
1596.2
Projected new floor
1096.2
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1592.6
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1578.4
Current Weighted rating
1518.7
Current Weighted performance
1529.7
Current official/published rating (highest between Raw, WR and WP)
1578.4
Current highest rating achieved
1585.8
Current floor (min rating allowed)
1085.8
Current K-factor
32
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±96.7
Current Raw change used (final)
0.0
Projected new Raw rating
1578.4
Projected new Weighed rating
1399.9
Projected new Weighted performance
1529.7
Projected new final Raw rating (if new WP > new Raw)
1578.4
Projected new highest rating
1585.8
Projected new floor
1085.8
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1578.4
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1608.3
Current Weighted rating
1453.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1608.3
Current highest rating achieved
1617.0
Current floor (min rating allowed)
1117.0
Current K-factor
28
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±92.7
Current Raw change used (final)
0.0
Projected new Raw rating
1608.3
Projected new Weighed rating
1340.7
Projected new Weighted performance
709.9
Projected new final Raw rating (if new WP > new Raw)
1608.3
Projected new highest rating
1617.0
Projected new floor
1117.0
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1608.3
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1300.0
Current Weighted rating
1243.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1300.0
Current highest rating achieved
1300.0
Current floor (min rating allowed)
800.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±143.8
Current Raw change used (final)
0.0
Projected new Raw rating
1300.0
Projected new Weighed rating
1145.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1300.0
Projected new floor
800.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1300.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Randburg Chess Club Championship 2024
2024/04/09
2024/05/21
Johannesburg Metro (GJM)
Standard
90
0.94
7
6
3.5
1596.2
1585.8
Analysis
2
Randburg Chess Club New Year Swiss 2024
2024/02/06
2024/02/06
Johannesburg Metro (GJM)
Standard
90
0.94
7
7
5.0
1556.8
1543.9
Analysis
1
Randburg New Year Rapid 2024
2024/01/23
2024/01/30
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
4.0
1540.2
1617.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
10
Randburg Chess Club Championship 2024
2024/04/09
2024/05/21
Johannesburg Metro (GJM)
Standard
90
0.94
7
6
3.5
1596.2
1585.8
Analysis
9
Randburg Chess Club New Year Swiss 2024
2024/02/06
2024/02/06
Johannesburg Metro (GJM)
Standard
90
0.94
7
7
5.0
1556.8
1543.9
Analysis
8
Randburg New Year Rapid 2024
2024/01/23
2024/01/30
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
4.0
1540.2
1617.0
Analysis
7
Randburg Club Championships Swiss 2023
2023/08/29
2023/10/10
Johannesburg Metro (GJM)
Standard
90
0.94
7
7
3.5
1542.0
1526.5
Analysis
6
Randburg Winter Swiss 2023
2023/06/13
2023/07/25
Johannesburg Metro (GJM)
Standard
90
0.94
7
7
5.0
1476.7
1448.7
Analysis
5
Randburg New Year Swiss 2023
2023/01/31
2023/03/14
Johannesburg Metro (GJM)
Standard
90
0.94
7
6
4.0
1446.6
1409.3
Analysis
4
Randburg Chess Club Autum Swiss 2020
2020/02/04
2020/03/10
Johannesburg Metro (GJM)
Standard
90
0.94
6
5
4.0
1359.6
1306.0
Analysis
3
Randburg Chess Club Rapid Champs 2019
2019/09/10
2019/09/17
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
4.0
1274.1
1200.0
Analysis
2
Randburg Chess Club Winter Swiss 2019
2019/07/30
2019/09/03
Johannesburg Metro (GJM)
Standard
90
0.94
6
5
2.0
1274.1
1277.6
Analysis
1
Randburg Club Champs 2019
2019/05/07
2019/06/18
Johannesburg Metro (GJM)
Standard
90
0.94
7
7
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
19
10
5
4
12.5
65.8
134.2
1524.4
1658.6
White
9
4
2
3
5.0
55.6
47.2
1563.1
1610.4
Black
10
6
3
1
7.5
75.0
212.5
1489.5
1702.0
Standard
All
13
6
5
2
8.5
65.4
130.8
1525.2
1656.0
White
7
4
2
1
5.0
71.4
182.1
1514.0
1696.1
Black
6
2
3
1
3.5
58.3
70.8
1538.3
1609.1
Rapid
All
6
4
0
2
4.0
66.7
141.7
1522.6
1664.3
White
2
0
0
2
0.0
0.0
-425.0
1735.2
1310.2
Black
4
4
0
0
4.0
100.0
425.0
1416.3
1841.3
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
62
32
14
16
39.0
62.9
109.7
1509.7
1619.4
White
29
16
5
8
18.5
63.8
117.2
1529.8
1647.1
Black
33
16
9
8
20.5
62.1
103.0
1492.0
1595.1
Standard
All
50
24
14
12
31.0
62.0
102.0
1502.7
1604.7
White
25
15
5
5
17.5
70.0
170.0
1506.0
1676.0
Black
25
9
9
7
13.5
54.0
34.0
1499.5
1533.5
Rapid
All
12
8
0
4
8.0
66.7
141.7
1538.8
1680.5
White
4
1
0
3
1.0
25.0
-212.5
1678.9
1466.4
Black
8
7
0
1
7.0
87.5
318.8
1468.8
1787.5
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
158022721
Metcalfe, AR (Allister)
5
3.5
3
1
1
70.0
1406.6
170.0
1576.6
View list
2
132014263
Jones, GTD (Graham)
5
3.5
2
3
0
70.0
1340.8
170.0
1510.8
View list
3
155022650
Mendelsohn, DC (David)
4
2.5
2
1
1
62.5
1542.9
106.3
1649.2
View list
4
163015814
Kleyn, AE (Andrew)
4
1.0
0
2
2
25.0
1454.9
-212.5
1242.4
View list
5
181011771
Hangelbroek, P (Peter)
3
3.0
3
0
0
100.0
1435.9
425.0
1860.9
View list
6
1640119080
Goldberg, M (Mark)
2
2.0
2
0
0
100.0
1509.3
425.0
1934.3
View list
7
179057929
Essop, H (Haroon)
2
2.0
2
0
0
100.0
1279.8
425.0
1704.8
View list
8
1880162576
Martynov, A (Alexey)
2
2.0
2
0
0
100.0
1548.5
425.0
1973.5
View list
9
2750096015
Luchies, M (Maria)
2
1.5
1
1
0
75.0
1576.5
212.5
1789.0
View list
10
159008414
Durow, NL (Neil)
2
1.0
1
0
1
50.0
1549.4
0.0
1549.4
View list
11
1640100921
Lamprecht, A (Andre)
2
1.0
1
0
1
50.0
1274.1
0.0
1274.1
View list
12
194030356
Pillay, N (Nico)
2
1.0
1
0
1
50.0
1569.1
0.0
1569.1
View list
13
102072832
Snyckers, A (Adam)
2
1.0
1
0
1
50.0
1508.5
0.0
1508.5
View list
14
104056090
Weisz, B (Benjamin)
2
1.0
1
0
1
50.0
1316.8
0.0
1316.8
View list
15
170035526
Snyckers, FA (Frank)
2
0.5
0
1
1
25.0
1316.8
-212.5
1104.3
View list
16
101050584
Mazibuko, K (Khanya)
2
0.0
0
0
2
0.0
1508.5
-425.0
1083.5
View list
17
1700148035
Loon, M (Marc)
1
1.0
1
0
0
100.0
1446.6
425.0
1871.6
View list
18
100016788
Kuppan, CJ (Cephas)
1
1.0
1
0
0
100.0
1446.6
425.0
1871.6
View list
19
1750191703
Cheyne, M (Mark)
1
1.0
1
0
0
100.0
1540.2
425.0
1965.2
View list
20
194002337
Blaschczok, VE (Vinzint)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list