Player Page

Cerfonteyn, R (Raees)
Dob: 2014/03/05 (U12)
Gender: Male
Chess SA id: 1140140461
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2024/08/17 (35 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 rating1306.3
Current Weighted rating1204.9
Current Weighted performance1309.1
Current official/published rating (highest between Raw, WR and WP)1309.1
Current highest rating achieved1306.3
Current floor (min rating allowed)806.3
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)±142.5
Current Raw change used (final)0.0
Projected new Raw rating1306.3
Projected new Weighed rating1110.1
Projected new Weighted performance1309.1
Projected new final Raw rating (if new WP > new Raw)1309.1
Projected new highest rating1309.1
Projected new floor809.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1309.1
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 rating1346.4
Current Weighted rating1224.6
Current Weighted performance1328.6
Current official/published rating (highest between Raw, WR and WP)1346.4
Current highest rating achieved1346.4
Current floor (min rating allowed)846.4
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 rating1346.4
Projected new Weighed rating1128.3
Projected new Weighted performance1328.6
Projected new final Raw rating (if new WP > new Raw)1346.4
Projected new highest rating1346.4
Projected new floor846.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1346.4
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 rating1145.6
Current Weighted rating1138.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1145.6
Current highest rating achieved1145.6
Current floor (min rating allowed)645.6
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)±179.2
Current Raw change used (final)0.0
Projected new Raw rating1145.6
Projected new Weighed rating1047.0
Projected new Weighted performance797.8
Projected new final Raw rating (if new WP > new Raw)1145.6
Projected new highest rating1145.6
Projected new floor645.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1145.6
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 rating1143.6
Current Weighted rating1143.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1143.6
Current highest rating achieved1143.6
Current floor (min rating allowed)643.6
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)±179.7
Current Raw change used (final)0.0
Projected new Raw rating1143.6
Projected new Weighed rating1052.1
Projected new Weighted performance262.5
Projected new final Raw rating (if new WP > new Raw)1143.6
Projected new highest rating1143.6
Projected new floor643.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1143.6
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 NMBCU Trial 5 2024 (U12) 2024/08/16 2024/08/17 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1296.4 1333.2 Analysis
5 NMBCU Trials 4 2024 (U12) 2024/07/12 2024/07/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1257.3 1271.5 Analysis
4 Willow Academy 2024 (B) 2024/06/22 2024/06/22 Nelson Mandela Bay (ENM) Rapid 20 0.47 6 6 3.0 1260.0 1135.6 Analysis
3 NMBCU Trial 3 2024 (U12) 2024/05/10 2024/05/11 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1210.5 1227.2 Analysis
2 Pearson Open Chess Tournament 2024 (C) 2024/02/23 2024/02/24 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 3.0 1162.2 1180.8 Analysis
1 NMBCU Trials 1 2024 (U12) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1162.2 1180.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 NMBCU Trial 5 2024 (U12) 2024/08/16 2024/08/17 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1296.4 1333.2 Analysis
16 NMBCU Trials 4 2024 (U12) 2024/07/12 2024/07/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1257.3 1271.5 Analysis
15 Willow Academy 2024 (B) 2024/06/22 2024/06/22 Nelson Mandela Bay (ENM) Rapid 20 0.47 6 6 3.0 1260.0 1135.6 Analysis
14 NMBCU Trial 3 2024 (U12) 2024/05/10 2024/05/11 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1210.5 1227.2 Analysis
13 Pearson Open Chess Tournament 2024 (C) 2024/02/23 2024/02/24 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 3.0 1162.2 1180.8 Analysis
12 NMBCU Trials 1 2024 (U12) 2024/02/16 2024/02/16 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1162.2 1180.8 Analysis
11 NMBCU Trial 4 2023 (U10) 2023/07/28 2023/07/29 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1149.7 1162.8 Analysis
10 EP Trials 3 2023 (U10) 2023/05/05 2023/05/06 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1133.6 1143.0 Analysis
9 NMB 2nd Trials 2023 (U10) 2023/03/24 2023/03/25 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1125.1 1133.6 Analysis
8 Youth Chess Acadamy Rapid Tournament 2023 (B) 2023/03/11 2023/03/11 Nelson Mandela Bay (ENM) Rapid 15 0.39 5 5 2.0 1125.1 1138.0 Analysis
7 2023 Pearson Open Chess Tournament (D) 2023/02/24 2023/02/25 Nelson Mandela Bay (ENM) Standard 60 0.83 5 4 0.0 1175.6 1196.2 Analysis
6 NMB 1st Trials 2023 (U8+U10) 2023/02/17 2023/02/18 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1175.6 1196.2 Analysis
5 2022 Westering Tournament (Rapid) 2022/08/27 2022/08/27 Nelson Mandela Bay (ENM) Rapid 12 0.33 5 5 1.0 1239.0 1200.0 Analysis
4 2022 Westering Tournament (Blitz) 2022/08/27 2022/08/27 Nelson Mandela Bay (ENM) Blitz 5 0.18 7 7 2.0 1239.0 1200.0 Analysis
3 2022 NMBCU Closed 2022 (U10) 2022/08/19 2022/08/20 Nelson Mandela Bay (ENM) Standard 60 0.83 5 4 1.0 1239.0 1244.1 Analysis
2 NMBCU Trial 3 2022 (U10) 2022/07/22 2022/07/23 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.0 1246.5 1256.0 Analysis
1 2022 NMB Junior Trials 2 (U8) 2022/05/13 2022/05/14 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 35 19 0 16 19.0 54.3 36.4 1293.4 1329.9
White 19 11 0 8 11.0 57.9 67.1 1322.1 1389.2
Black 16 8 0 8 8.0 50.0 0.0 1259.3 1259.3
Standard All 29 16 0 13 16.0 55.2 44.0 1305.1 1349.0
White 16 10 0 6 10.0 62.5 106.3 1323.0 1429.2
Black 13 6 0 7 6.0 46.2 -32.7 1283.0 1250.3
Rapid All 6 3 0 3 3.0 50.0 0.0 1237.2 1237.2
White 3 1 0 2 1.0 33.3 -141.7 1317.7 1176.0
Black 3 2 0 1 2.0 66.7 141.7 1156.7 1298.4
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 95 43 2 50 44.0 46.3 -31.3 1242.2 1210.8
White 49 23 0 26 23.0 46.9 -26.0 1244.8 1218.8
Black 46 20 2 24 21.0 45.7 -37.0 1239.3 1202.4
Standard All 72 35 2 35 36.0 50.0 0.0 1240.0 1240.0
White 38 19 0 19 19.0 50.0 0.0 1249.8 1249.8
Black 34 16 2 16 17.0 50.0 0.0 1229.0 1229.0
Rapid All 16 6 0 10 6.0 37.5 -106.3 1250.7 1144.5
White 8 3 0 5 3.0 37.5 -106.3 1240.1 1133.8
Black 8 3 0 5 3.0 37.5 -106.3 1261.4 1155.1
Blitz All 7 2 0 5 2.0 28.6 -182.1 1244.7 1062.6
White 3 1 0 2 1.0 33.3 -141.7 1194.0 1052.3
Black 4 1 0 3 1.0 25.0 -212.5 1282.8 1070.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1140143836 Boggenpoel, L (Levi) 8 2.0 2 0 6 25.0 1184.9 -212.5 972.4 View list
2 1140140466 Mouton, W (Wyatt) 5 3.0 3 0 2 60.0 1219.1 85.0 1304.1 View list
3 2130131339 Adams, C (Ciara) 4 0.0 0 0 4 0.0 1177.6 -425.0 752.6 View list
4 1150143842 Crawford, D (Dean) 4 0.0 0 0 4 0.0 1174.5 -425.0 749.5 View list
5 2140139787 Snyman, K (Karlien) 3 3.0 3 0 0 100.0 1152.9 425.0 1577.9 View list
6 1150146349 Jacobs, J (Joel) 3 2.0 2 0 1 66.7 1148.5 141.7 1290.2 View list
7 2140151201 Schreinders, M (Mia) 3 2.0 2 0 1 66.7 1172.0 141.7 1313.7 View list
8 1140139786 Jones, A (Adrian) 3 1.0 1 0 2 33.3 1198.7 -141.7 1057.1 View list
9 1140143838 Manton, C (Charlie) 3 0.5 0 1 2 16.7 1185.2 -283.3 901.9 View list
10 1130131970 Chipunza, J (Jaden) 3 0.0 0 0 3 0.0 1227.5 -425.0 802.5 View list
11 1140151191 Koutsouvelis, M (Matthew) 2 2.0 2 0 0 100.0 1233.9 425.0 1658.9 View list
12 2130139738 Schler, J (Jannei) 2 2.0 2 0 0 100.0 1251.9 425.0 1676.9 View list
13 1140139788 Swanepoel, B (Bijan) 2 2.0 2 0 0 100.0 1203.5 425.0 1628.5 View list
14 2130160719 Swartz, J (Jane) 2 2.0 2 0 0 100.0 1278.2 425.0 1703.2 View list
15 1050146333 Mbanzi, A (Aviwe) 2 1.0 1 0 1 50.0 1239.0 0.0 1239.0 View list
16 2130139731 Grobler, M (Mia) 2 0.0 0 0 2 0.0 1267.7 -425.0 842.7 View list
17 1130112094 Driscoll, S (Samuel) 2 0.0 0 0 2 0.0 1253.5 -425.0 828.5 View list
18 2160140464 Kapp, A (Amelie) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1120191842 Arries, J (Jayde) 1 1.0 1 0 0 100.0 1260.0 425.0 1685.0 View list
20 2130151204 Arbi, I (Imaan) 1 1.0 1 0 0 100.0 1257.3 425.0 1682.3 View list