Player Page

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
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 rating1592.6
Current Weighted rating1535.2
Current Weighted performance1546.2
Current official/published rating (highest between Raw, WR and WP)1592.6
Current highest rating achieved1596.2
Current floor (min rating allowed)1096.2
Current K-factor32
Games played this month0
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 rating1592.6
Projected new Weighed rating1414.6
Projected new Weighted performance1546.2
Projected new final Raw rating (if new WP > new Raw)1592.6
Projected new highest rating1596.2
Projected new floor1096.2
Projected new K-facor32
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 rating1578.4
Current Weighted rating1518.7
Current Weighted performance1529.7
Current official/published rating (highest between Raw, WR and WP)1578.4
Current highest rating achieved1585.8
Current floor (min rating allowed)1085.8
Current K-factor32
Games played this month0
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 rating1578.4
Projected new Weighed rating1399.9
Projected new Weighted performance1529.7
Projected new final Raw rating (if new WP > new Raw)1578.4
Projected new highest rating1585.8
Projected new floor1085.8
Projected new K-facor32
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
s
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 rating1608.3
Current Weighted rating1453.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1608.3
Current highest rating achieved1617.0
Current floor (min rating allowed)1117.0
Current K-factor28
Games played this month0
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 rating1608.3
Projected new Weighed rating1340.7
Projected new Weighted performance709.9
Projected new final Raw rating (if new WP > new Raw)1608.3
Projected new highest rating1617.0
Projected new floor1117.0
Projected new K-facor28
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 rating1300.0
Current Weighted rating1243.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.0
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
Current K-factor36
Games played this month0
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 rating1300.0
Projected new Weighed rating1145.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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