Player Page

Van Der Berg, KW (Kai)
Dob: 2011/01/04 (U14)
Gender: Male
Chess SA id: 111092671
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (219 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 rating1413.9
Current Weighted rating1419.5
Current Weighted performance1225.8
Current official/published rating (highest between Raw, WR and WP)1419.5
Current highest rating achieved1522.3
Current floor (min rating allowed)1022.3
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)±122.3
Current Raw change used (final)0.0
Projected new Raw rating1413.9
Projected new Weighed rating1305.5
Projected new Weighted performance1225.8
Projected new final Raw rating (if new WP > new Raw)1413.9
Projected new highest rating1522.3
Projected new floor1022.3
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1413.9
Projected effective change (new Official - current Official)-5.6
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 rating1406.8
Current Weighted rating1412.7
Current Weighted performance1225.8
Current official/published rating (highest between Raw, WR and WP)1412.7
Current highest rating achieved1522.1
Current floor (min rating allowed)1022.1
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)±123.5
Current Raw change used (final)0.0
Projected new Raw rating1406.8
Projected new Weighed rating1299.3
Projected new Weighted performance1225.8
Projected new final Raw rating (if new WP > new Raw)1406.8
Projected new highest rating1522.1
Projected new floor1022.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1406.8
Projected effective change (new Official - current Official)-5.9
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 rating1198.0
Current Weighted rating1198.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1198.0
Current highest rating achieved1198.0
Current floor (min rating allowed)698.0
Current K-factor40
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)±166.3
Current Raw change used (final)0.0
Projected new Raw rating1198.0
Projected new Weighed rating1102.2
Projected new Weighted performance188.4
Projected new final Raw rating (if new WP > new Raw)1198.0
Projected new highest rating1198.0
Projected new floor698.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1198.0
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Bojanala Olienpark's One For The Ages 2024 (Bishops) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1422.7 1416.4 Analysis
1 Bojanala's Rating Express 2024 (Bishops) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1422.7 1416.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
51 Bojanala Olienpark's One For The Ages 2024 (Bishops) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1422.7 1416.4 Analysis
50 Bojanala's Rating Express 2024 (Bishops) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1422.7 1416.4 Analysis
49 Bojanala's FIDE in the Sparkling Waters 2023 (Rooks) 2023/07/28 2023/07/30 Bojanala Platina (NBR) Standard 120 1.00 6 6 3.5 1433.6 1427.0 Analysis
48 Schoemies Kings & Queens 2023 (Rooks) 2023/03/18 2023/03/18 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1450.3 1445.2 Analysis
47 One For The Ages 2023 (U14) 2023/02/18 2023/02/18 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1399.3 1379.0 Analysis
46 Dr. Kenneth Kaunda Saamtrek 2023 (U14) 2023/02/04 2023/02/04 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1399.3 1379.0 Analysis
45 Harties Wolf Pack 2023 (Rooks) 2023/01/21 2023/01/21 Bojanala Platina (NBR) Standard 62 0.84 5 5 0.5 1487.7 1487.2 Analysis
44 2022 South African Junior Team Chess Championships (U12 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 1522.3 1522.1 Analysis
43 West Rand vs Bojanala 2022 (U12A) 2022/11/05 2022/11/05 Bojanala Platina (NBR) Standard 60 0.83 6 6 5.0 1482.3 1483.1 Analysis
42 FIDE at The King`s Gate 2.0 2022 (Junior) 2022/10/22 2022/10/22 Bojanala Platina (NBR) Standard 92 0.94 5 5 4.0 1468.8 1470.3 Analysis
41 Bojanala SAJCC Trials 2022 (U12) 2022/09/23 2022/09/23 Bojanala Platina (NBR) Standard 120 1.00 5 5 4.0 1428.8 1429.5 Analysis
40 Larries The Final Wild Card Tournament 2022 (U12) 2022/09/17 2022/09/17 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1428.8 1429.5 Analysis
39 Bojanala Chess Federation Wildcards 2022 (U12) 2022/08/20 2022/08/20 Bojanala Platina (NBR) Standard 62 0.84 5 5 4.0 1416.6 1415.2 Analysis
38 2nd One For The Ages 2022 (U12) 2022/07/30 2022/07/30 Bojanala Platina (NBR) Standard 60 0.83 5 4 4.0 1309.8 1294.2 Analysis
37 One For The Ages 2022 (U12) 2022/07/16 2022/07/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1309.8 1294.2 Analysis
36 RHS Know Thyself 2022 (B) 2022/04/23 2022/04/23 Bojanala Platina (NBR) Standard 62 0.84 5 5 2.0 1338.3 1326.5 Analysis
35 Vastrap 2022 (C) 2022/02/05 2022/02/05 Bojanala Platina (NBR) Standard 62 0.84 5 5 4.0 1321.1 1304.4 Analysis
34 The Meridian 2022 (U12) 2022/01/22 2022/01/22 Bojanala Platina (NBR) Standard 62 0.84 5 5 3.0 1320.3 1301.5 Analysis
33 Bojanala SAJCC Trials - Session 3 of 3 2021 (D) 2021/11/20 2021/11/20 Bojanala Platina (NBR) Standard 62 0.84 7 6 4.5 1334.3 1313.7 Analysis
32 Bojanala SAJCC Trials - Session 2 of 3 2021 (C) 2021/11/13 2021/11/13 Bojanala Platina (NBR) Standard 62 0.84 5 4 2.0 1334.3 1313.7 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 6 0 4 6.0 60.0 85.0 1301.8 1386.8
White 4 3 0 1 3.0 75.0 212.5 1357.5 1570.0
Black 6 3 0 3 3.0 50.0 0.0 1264.7 1264.7
Standard All 10 6 0 4 6.0 60.0 85.0 1301.8 1386.8
White 4 3 0 1 3.0 75.0 212.5 1357.5 1570.0
Black 6 3 0 3 3.0 50.0 0.0 1264.7 1264.7
Rapid 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
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 261 161 13 87 167.5 64.2 120.5 1220.3 1340.8
White 121 86 7 28 89.5 74.0 203.7 1213.2 1416.9
Black 140 75 6 59 78.0 55.7 48.6 1226.4 1275.0
Standard All 251 155 13 83 161.5 64.3 121.9 1223.7 1345.6
White 116 82 7 27 85.5 73.7 201.5 1213.9 1415.4
Black 135 73 6 56 76.0 56.3 53.5 1232.1 1285.6
Rapid All 10 6 0 4 6.0 60.0 85.0 1135.8 1220.8
White 5 4 0 1 4.0 80.0 255.0 1198.1 1453.1
Black 5 2 0 3 2.0 40.0 -85.0 1073.6 988.6
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 1110099324 Roos, J (Justin) 12 2.0 2 0 10 16.7 1368.1 -283.3 1084.7 View list
2 211093260 Jansen Van Vuuren, M (Mari) 10 8.0 8 0 2 80.0 1373.4 255.0 1628.4 View list
3 1110099323 Bester, D (Daniel) 7 1.0 1 0 6 14.3 1261.9 -303.6 958.3 View list
4 1110099329 De Kock, D (De-Han) 6 2.0 2 0 4 33.3 1260.4 -141.7 1118.7 View list
5 1110112986 Legwale, L (Lesedi) 5 5.0 5 0 0 100.0 1346.2 425.0 1771.2 View list
6 1110097774 Behrens, EJ (Edwin) 5 4.0 4 0 1 80.0 1239.6 255.0 1494.6 View list
7 1110099325 Nortman, WJ (Wilhelmus Johan) 5 2.5 2 1 2 50.0 1280.6 0.0 1280.6 View list
8 1100109067 Mostert, PJ (Pieter) 4 4.0 4 0 0 100.0 1398.2 425.0 1823.2 View list
9 1120096351 Nkwe, T (Tumalano) 4 3.5 3 1 0 87.5 1347.2 318.8 1665.9 View list
10 1110097777 Britz, JD (Jakobus) 4 3.0 3 0 1 75.0 1234.7 212.5 1447.2 View list
11 211093275 Byliefeldt, M (Mienke) 4 3.0 3 0 1 75.0 1335.3 212.5 1547.8 View list
12 111089655 Guneliev, AA (Adriaan) 4 3.0 3 0 1 75.0 1272.8 212.5 1485.3 View list
13 210087760 Jansen Van Vuuren, L (Lourein) 4 3.0 3 0 1 75.0 1295.1 212.5 1507.6 View list
14 1110100437 Schwim, R (Rinus) 4 3.0 3 0 1 75.0 1311.1 212.5 1523.6 View list
15 2110096353 Janse Van Vuuren, M (Mari) 3 3.0 3 0 0 100.0 1243.1 425.0 1668.1 View list
16 1110109068 Van Staden, K (Kayle) 3 3.0 3 0 0 100.0 1349.2 425.0 1774.2 View list
17 1110131242 Changara, A (Adiel Tavonga) 3 2.5 2 1 0 83.3 1408.8 283.3 1692.1 View list
18 2120111293 Gouws, K (Karah) 3 2.5 2 1 0 83.3 1400.4 283.3 1683.8 View list
19 210086569 Combrinck, J (Janeske) 3 2.0 2 0 1 66.7 1323.7 141.7 1465.3 View list
20 1100111277 Van Schalkwyk, J (Jurgens) 3 2.0 2 0 1 66.7 1441.5 141.7 1583.2 View list