Player Page

Van Heerden, Z (Zichvan)
Dob: 2016/04/26 (U10)
Gender: Male
Chess SA id: 1160152113
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/08/10 (104 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 rating1346.6
Current Weighted rating1293.1
Current Weighted performance1276.5
Current official/published rating (highest between Raw, WR and WP)1346.6
Current highest rating achieved1346.6
Current floor (min rating allowed)846.6
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)±134.6
Current Raw change used (final)0.0
Projected new Raw rating1346.6
Projected new Weighed rating1192.1
Projected new Weighted performance1276.5
Projected new final Raw rating (if new WP > new Raw)1346.6
Projected new highest rating1346.6
Projected new floor846.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1346.6
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 rating1340.0
Current Weighted rating1277.2
Current Weighted performance1248.2
Current official/published rating (highest between Raw, WR and WP)1340.0
Current highest rating achieved1340.0
Current floor (min rating allowed)840.0
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)±135.8
Current Raw change used (final)0.0
Projected new Raw rating1340.0
Projected new Weighed rating1177.3
Projected new Weighted performance1248.2
Projected new final Raw rating (if new WP > new Raw)1340.0
Projected new highest rating1340.0
Projected new floor840.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1340.0
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 rating1283.6
Current Weighted rating1271.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1283.6
Current highest rating achieved1283.6
Current floor (min rating allowed)783.6
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)±147.2
Current Raw change used (final)0.0
Projected new Raw rating1283.6
Projected new Weighed rating1170.9
Projected new Weighted performance809.4
Projected new final Raw rating (if new WP > new Raw)1283.6
Projected new highest rating1283.6
Projected new floor783.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1283.6
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 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
5 Bojanala's Kings & Queens Rapid and Doubles 2024 (Center Pawns) 2024/08/10 2024/08/10 Bojanala Platina (NBR) Rapid 15 0.39 5 5 3.0 1343.9 1280.0 Analysis
4 Bojanala Olienpark's One For The Ages 2024 (Center Pawns) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1260.2 1241.9 Analysis
3 Bojanala's Rating Express 2024 (Center Pawns) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1260.2 1241.9 Analysis
2 Schoemies' Kings & Queens 2024 (Center Pawns) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1242.9 1215.3 Analysis
1 Bojanala Closed Chess Championships Stage 1 2024 (U10) 2024/01/27 2024/01/27 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1243.2 1206.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 Bojanala's Kings & Queens Rapid and Doubles 2024 (Center Pawns) 2024/08/10 2024/08/10 Bojanala Platina (NBR) Rapid 15 0.39 5 5 3.0 1343.9 1280.0 Analysis
10 Bojanala Olienpark's One For The Ages 2024 (Center Pawns) 2024/04/20 2024/04/20 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1260.2 1241.9 Analysis
9 Bojanala's Rating Express 2024 (Center Pawns) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 1260.2 1241.9 Analysis
8 Schoemies' Kings & Queens 2024 (Center Pawns) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 1242.9 1215.3 Analysis
7 Bojanala Closed Chess Championships Stage 1 2024 (U10) 2024/01/27 2024/01/27 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1243.2 1206.3 Analysis
6 2023 Cross Border Chess Championships Gaborone vs Bojanala 2023/12/14 2023/12/14 Botswana (BOT) Standard 65 0.85 9 8 4.0 1276.6 1232.6 Analysis
5 Bojanala's Merry ChessMas 2023 (Big Pawns) 2023/12/09 2023/12/09 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1276.6 1232.6 Analysis
4 Bojanala's Rosewood 2023 (Big Pawns) 2023/08/12 2023/08/12 Bojanala Platina (NBR) Standard 60 0.83 7 6 3.0 1206.6 1208.8 Analysis
3 Bojanala School League 2023 (U7) 2023/07/18 2023/08/14 Bojanala Platina (NBR) Rapid 40 0.70 6 4 4.0 1206.6 1200.0 Analysis
2 Bojanala's Post-Exams 2023 (U8) 2023/06/24 2023/06/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1184.4 1181.2 Analysis
1 Schoemies Kings & Queens 2023 (U8) 2023/03/18 2023/03/18 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 25 15 3 7 16.5 66.0 136.0 1235.7 1371.7
White 13 7 1 5 7.5 57.7 65.4 1258.8 1324.2
Black 12 8 2 2 9.0 75.0 212.5 1210.7 1423.2
Standard All 20 12 3 5 13.5 67.5 148.8 1219.7 1368.4
White 10 6 1 3 6.5 65.0 127.5 1228.2 1355.7
Black 10 6 2 2 7.0 70.0 170.0 1211.1 1381.1
Rapid All 5 3 0 2 3.0 60.0 85.0 1299.9 1384.9
White 3 1 0 2 1.0 33.3 -141.7 1360.7 1219.1
Black 2 2 0 0 2.0 100.0 425.0 1208.7 1633.7
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 58 34 3 21 35.5 61.2 95.3 1217.3 1312.6
White 30 20 1 9 20.5 68.3 155.8 1214.5 1370.4
Black 28 14 2 12 15.0 53.6 30.4 1220.3 1250.7
Standard All 49 27 3 19 28.5 58.2 69.4 1210.3 1279.7
White 25 17 1 7 17.5 70.0 170.0 1198.1 1368.1
Black 24 10 2 12 11.0 45.8 -35.4 1223.0 1187.6
Rapid All 9 7 0 2 7.0 77.8 236.1 1255.5 1491.6
White 5 3 0 2 3.0 60.0 85.0 1296.4 1381.4
Black 4 4 0 0 4.0 100.0 425.0 1204.3 1629.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1160162283 Rakubutu, P (Pabatso) 4 3.5 3 1 0 87.5 1255.7 318.8 1574.5 View list
2 1170144069 Kruger, T (Thinus Pieter) 4 1.0 1 0 3 25.0 1235.8 -212.5 1023.3 View list
3 2160152068 Taperesu, K (Kaelyn Lynelle) 3 3.0 3 0 0 100.0 1211.4 425.0 1636.4 View list
4 2160146473 Pilane, O (Ogone) 3 2.0 2 0 1 66.7 1245.6 141.7 1387.3 View list
5 2150148704 Monamatha, O (Oreabetse) 3 1.0 1 0 2 33.3 1276.7 -141.7 1135.0 View list
6 1160149635 Gouws, P (Philip) 3 0.0 0 0 3 0.0 1222.5 -425.0 797.5 View list
7 1160156767 De Jager, L (Luado) 2 2.0 2 0 0 100.0 1195.5 425.0 1620.5 View list
8 1170145156 Botha, E (Erasmus Albertus) 2 2.0 2 0 0 100.0 1275.3 425.0 1700.3 View list
9 1160160049 Manyedi, A (Anaya) 2 2.0 2 0 0 100.0 1206.6 425.0 1631.6 View list
10 2160152067 Pelser, L (Leja) 2 2.0 2 0 0 100.0 1221.5 425.0 1646.5 View list
11 1160152114 Van Rensburg, L (Levi) 2 2.0 2 0 0 100.0 1230.1 425.0 1655.1 View list
12 1150144109 Nkabinde, N (Nkazimulo) 2 0.0 0 0 2 0.0 1302.1 -425.0 877.1 View list
13 2160154504 Van Den Berg, L (Lienke) 1 1.0 2 0 0 100.0 1242.9 425.0 1667.9 View list
14 2160154504 Van Der Berg, L (Lienke) 1 1.0 2 0 0 100.0 1260.2 425.0 1685.2 View list
15 2160160051 Moagi, O (Orefileneo) 1 1.0 1 0 0 100.0 1206.6 425.0 1631.6 View list
16 1150160050 Mendoza, L (Logan) 1 1.0 1 0 0 100.0 1206.6 425.0 1631.6 View list
17 1150157685 Hattingh, D (Danco) 1 1.0 1 0 0 100.0 1260.2 425.0 1685.2 View list
18 2160191448 Mahloko, L (Lehlogono) 1 1.0 1 0 0 100.0 1276.6 425.0 1701.6 View list
19 1160149601 Langa, T (Thatego) 1 1.0 1 0 0 100.0 1184.4 425.0 1609.4 View list
20 1170301601 Botha, L (Lewan) 1 1.0 1 0 0 100.0 1343.9 425.0 1768.9 View list