Player Page

Barends, Z (Zac)
Dob: 2011/07/20 (U14)
Gender: Male
Chess SA id: 1110131799
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (218 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 rating1275.8
Current Weighted rating1270.2
Current Weighted performance1082.3
Current official/published rating (highest between Raw, WR and WP)1275.8
Current highest rating achieved1288.8
Current floor (min rating allowed)788.8
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)±148.8
Current Raw change used (final)0.0
Projected new Raw rating1275.8
Projected new Weighed rating1169.7
Projected new Weighted performance1082.3
Projected new final Raw rating (if new WP > new Raw)1275.8
Projected new highest rating1288.8
Projected new floor788.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1275.8
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 rating1284.2
Current Weighted rating1270.4
Current Weighted performance1163.1
Current official/published rating (highest between Raw, WR and WP)1284.2
Current highest rating achieved1284.2
Current floor (min rating allowed)784.2
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)±147.1
Current Raw change used (final)0.0
Projected new Raw rating1284.2
Projected new Weighed rating1170.6
Projected new Weighted performance1163.1
Projected new final Raw rating (if new WP > new Raw)1284.2
Projected new highest rating1284.2
Projected new floor784.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1284.2
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 rating1213.6
Current Weighted rating1219.3
Current Weighted performance1065.5
Current official/published rating (highest between Raw, WR and WP)1219.3
Current highest rating achieved1259.2
Current floor (min rating allowed)759.2
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)±162.6
Current Raw change used (final)0.0
Projected new Raw rating1213.6
Projected new Weighed rating1121.6
Projected new Weighted performance1065.5
Projected new final Raw rating (if new WP > new Raw)1213.6
Projected new highest rating1259.2
Projected new floor759.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.6
Projected effective change (new Official - current Official)-5.7
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 Cape Town Junior League - Qualifier 2 2024 (U13) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 3 1.0 1288.8 1229.4 Analysis
1 North District School Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1270.9 1269.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
18 Cape Town Junior League - Qualifier 2 2024 (U13) 2024/04/20 2024/04/20 Cape Town (WCT) Rapid 25 0.54 6 3 1.0 1288.8 1229.4 Analysis
17 North District School Trials 2024 (U13 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1270.9 1269.1 Analysis
16 Chas Everitt and MHI Attorneys Rapid 2023 (U14) 2023/11/04 2023/11/04 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1272.5 1224.7 Analysis
15 Western Cape Closed Championship 2023 (U14) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1233.6 1194.5 Analysis
14 WP Club League 2023 (D PlayOffs) 2023/09/02 2023/09/09 Cape Town (WCT) Standard 70 0.87 5 3 2.0 1233.6 1229.6 Analysis
13 WP Club League 2023 (D1) 2023/07/29 2023/08/19 Cape Town (WCT) Standard 70 0.87 6 5 3.0 1227.3 1226.4 Analysis
12 Curro Durbanville Chess Open Rapid 2023 (U14) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 3 1.5 1228.0 1190.5 Analysis
11 Steinitz Open 2023 (U14) 2023/05/27 2023/05/27 Cape Town (WCT) Rapid 20 0.47 5 5 3.0 1252.9 1244.1 Analysis
10 Cape Town Junior Chess League Q1 2023 2023/05/13 2023/05/13 Cape Town (WCT) Rapid 25 0.54 7 6 1.0 1252.9 1244.1 Analysis
9 Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Boys) 2023/02/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1234.7 1196.0 Analysis
8 North District School Trials 2023 (U13 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1183.9 1113.2 Analysis
7 Kenridge Rapid 2022 (U12) 2022/11/05 2022/11/05 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1177.3 1259.2 Analysis
6 Metro Rapid 2022 (U11 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 5 3.0 1174.2 1234.4 Analysis
5 Western Cape Club Championship 2022 (Tier 2) 2022/10/07 2022/10/09 Cape Town (WCT) Standard 65 0.85 6 5 1.0 1174.2 1143.6 Analysis
4 2022 Western Province Club League (Junior) 2022/08/27 2022/09/17 Cape Town (WCT) Standard 70 0.87 7 6 2.0 1204.0 1175.2 Analysis
3 Metro WP Schools Chess Trials 2022 (U11 Boys) 2022/04/22 2022/04/23 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1218.6 1195.6 Analysis
2 District North 2022 (U11) 2022/03/05 2022/03/05 Cape Town (WCT) Rapid 30 0.60 6 5 3.0 1195.1 1200.0 Analysis
1 2020 Cape Of Good Hope Open (U10) 2020/02/22 2020/02/22 Cape Town (WCT) Standard 70 0.87 5 4 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 8 4 1 3 4.5 56.3 53.1 1214.1 1267.2
White 4 1 1 2 1.5 37.5 -106.3 1245.7 1139.4
Black 4 3 0 1 3.0 75.0 212.5 1182.5 1395.0
Standard All 5 3 1 1 3.5 70.0 170.0 1206.5 1376.5
White 3 1 1 1 1.5 50.0 0.0 1240.6 1240.6
Black 2 2 0 0 2.0 100.0 425.0 1155.3 1580.3
Rapid All 3 1 0 2 1.0 33.3 -141.7 1226.8 1085.1
White 1 0 0 1 0.0 0.0 -425.0 1261.0 836.0
Black 2 1 0 1 1.0 50.0 0.0 1209.7 1209.7
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 91 43 3 45 44.5 48.9 -9.3 1258.9 1249.6
White 47 22 3 22 23.5 50.0 0.0 1242.5 1242.5
Black 44 21 0 23 21.0 47.7 -19.3 1276.4 1257.1
Standard All 46 22 2 22 23.0 50.0 0.0 1245.2 1245.2
White 24 9 2 13 10.0 41.7 -70.8 1252.7 1181.8
Black 22 13 0 9 13.0 59.1 77.3 1237.0 1314.3
Rapid All 45 21 1 23 21.5 47.8 -18.9 1273.0 1254.1
White 23 13 1 9 13.5 58.7 73.9 1232.0 1305.9
Black 22 8 0 14 8.0 36.4 -115.9 1315.8 1199.9
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 2130118022 Shapiro, H (Hannah) 2 1.0 1 0 1 50.0 1189.1 0.0 1189.1 View list
2 1100150436 Scheepers, R (Riko) 2 0.5 0 1 1 25.0 1228.2 -212.5 1015.7 View list
3 1100157084 Hibbins, G (Graeme) 2 0.0 0 0 2 0.0 1253.0 -425.0 828.0 View list
4 1070146878 Bowers, C (Chad) 1 1.0 1 0 0 100.0 1252.9 425.0 1677.9 View list
5 1110113438 Boshoff, L (Lukas) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1110147020 Claassen, U (Uthan) 1 1.0 1 0 0 100.0 1234.7 425.0 1659.7 View list
7 1120193624 Chigumira, D (Divine) 1 1.0 1 0 0 100.0 1270.9 425.0 1695.9 View list
8 1100109823 Calitz, J (Joey) 1 1.0 1 0 0 100.0 1183.9 425.0 1608.9 View list
9 1100147476 Felix, C (Camren) 1 1.0 1 0 0 100.0 1272.5 425.0 1697.5 View list
10 1120141168 Esterhuizen, E (Ethan) 1 1.0 1 0 0 100.0 1177.3 425.0 1602.3 View list
11 1110193629 Donaldson, N (Naude) 1 1.0 1 0 0 100.0 1270.9 425.0 1695.9 View list
12 1100157083 Dippenaar, R (Ruben) 1 1.0 1 0 0 100.0 1252.9 425.0 1677.9 View list
13 1730158274 Dippenaar, F (Francois) 1 1.0 1 0 0 100.0 1227.3 425.0 1652.3 View list
14 2100097014 De Wee, J (Jaydene) 1 1.0 1 0 0 100.0 1227.3 425.0 1652.3 View list
15 1120147429 Bagley, Z (Zakariah) 1 1.0 1 0 0 100.0 1174.2 425.0 1599.2 View list
16 1070146535 Gqoloza, L (Lulibo) 1 1.0 1 0 0 100.0 1204.0 425.0 1629.0 View list
17 1110109820 Janse Van Rensburg, N (Nicolas) 1 1.0 1 0 0 100.0 1252.9 425.0 1677.9 View list
18 1110157085 Jansen, R (Riley) 1 1.0 1 0 0 100.0 1233.6 425.0 1658.6 View list
19 2120147459 Johannes, Z (Zoe) 1 1.0 1 0 0 100.0 1177.3 425.0 1602.3 View list
20 1120137360 Kotze, L (Logan) 1 1.0 1 0 0 100.0 1195.1 425.0 1620.1 View list