Player Page

Robertson, M (Marvin)
Dob: 2014/07/12 (U12)
Gender: Male
Chess SA id: 1140137570
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/08/17 (28 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 rating1436.6
Current Weighted rating1431.2
Current Weighted performance1279.5
Current official/published rating (highest between Raw, WR and WP)1436.6
Current highest rating achieved1485.9
Current floor (min rating allowed)985.9
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)±118.4
Current Raw change used (final)0.0
Projected new Raw rating1436.6
Projected new Weighed rating1319.8
Projected new Weighted performance1279.5
Projected new final Raw rating (if new WP > new Raw)1436.6
Projected new highest rating1485.9
Projected new floor985.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1436.6
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 rating1352.3
Current Weighted rating1337.7
Current Weighted performance1315.3
Current official/published rating (highest between Raw, WR and WP)1352.3
Current highest rating achieved1389.4
Current floor (min rating allowed)889.4
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)±133.5
Current Raw change used (final)0.0
Projected new Raw rating1352.3
Projected new Weighed rating1232.7
Projected new Weighted performance1315.3
Projected new final Raw rating (if new WP > new Raw)1352.3
Projected new highest rating1389.4
Projected new floor889.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1352.3
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 rating1496.2
Current Weighted rating1494.3
Current Weighted performance1348.3
Current official/published rating (highest between Raw, WR and WP)1496.2
Current highest rating achieved1547.7
Current floor (min rating allowed)1047.7
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)±108.7
Current Raw change used (final)0.0
Projected new Raw rating1496.2
Projected new Weighed rating1377.6
Projected new Weighted performance1348.3
Projected new final Raw rating (if new WP > new Raw)1496.2
Projected new highest rating1547.7
Projected new floor1047.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1496.2
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
6 De Villiers PS Tournament 2024 (U14) 2024/08/17 2024/08/17 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1436.6 1352.3 Analysis
5 Western Cape PS Individuals Championship 2024 (U11 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1469.3 1389.4 Analysis
4 Brave Knights 2024 (U11) 2024/03/16 2024/03/16 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1485.9 1534.3 Analysis
3 Cape Winelands Schools - Prestige 2024 (U11 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1485.9 1364.2 Analysis
2 Cape Winelands Schools - PS Trials 1 2024 (U11 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 5.0 1480.0 1539.1 Analysis
1 Cape Winelands - Marie Delport Memorial 2024 (U12) 2024/01/27 2024/01/27 Cape Winelands (WCW) Rapid 20 0.47 6 6 4.5 1477.7 1547.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
36 De Villiers PS Tournament 2024 (U14) 2024/08/17 2024/08/17 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1436.6 1352.3 Analysis
35 Western Cape PS Individuals Championship 2024 (U11 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.0 1469.3 1389.4 Analysis
34 Brave Knights 2024 (U11) 2024/03/16 2024/03/16 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1485.9 1534.3 Analysis
33 Cape Winelands Schools - Prestige 2024 (U11 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1485.9 1364.2 Analysis
32 Cape Winelands Schools - PS Trials 1 2024 (U11 Boys) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 5.0 1480.0 1539.1 Analysis
31 Cape Winelands - Marie Delport Memorial 2024 (U12) 2024/01/27 2024/01/27 Cape Winelands (WCW) Rapid 20 0.47 6 6 4.5 1477.7 1547.7 Analysis
30 2023 Western Cape Rural Cup (U10) 2023/12/09 2023/12/10 Cape Winelands (WCW) Standard 60 0.83 5 4 3.0 1473.7 1324.8 Analysis
29 Ashton Skaakmat Rapid 2023 (U9) 2023/11/18 2023/11/18 Cape Winelands (WCW) Rapid 30 0.60 6 6 6.0 1451.8 1531.2 Analysis
28 Bonnievale Open Rapid 2023 (U10) 2023/10/21 2023/10/21 Cape Winelands (WCW) Rapid 25 0.54 6 6 4.5 1445.1 1530.2 Analysis
27 Cape Town Junior Chess League Finals 2023 (U12A) 2023/09/16 2023/09/16 Cape Town (WCT) Rapid 25 0.54 7 7 6.5 1399.7 1490.6 Analysis
26 Western Cape Top Schools 2023 (U11 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 3.5 1399.7 1287.0 Analysis
25 CW Top Schools 2023 (U7-U11 Mixed + U11 Girls) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 4.5 1385.6 1482.0 Analysis
24 Langeberg Top Schools 2023 (U7-U13 Mix) 2023/07/29 2023/07/29 Cape Winelands (WCW) Rapid 30 0.60 5 5 5.0 1360.5 1434.3 Analysis
23 Cape Town Junior Chess League - Round 1 2023 (U12A) 2023/07/22 2023/07/22 Cape Town (WCT) Rapid 25 0.54 7 6 3.5 1360.5 1434.3 Analysis
22 Cape Town Junior League 2nd Qualifier 2023 (U12) 2023/06/03 2023/06/03 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1338.9 1404.8 Analysis
21 Western Cape PS Individuals 2023 (U9 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1314.5 1254.2 Analysis
20 Cape Winelands Schools Prestige 2023 (U9 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1278.2 1239.4 Analysis
19 CWIS Inaugural Chess Championships 2023 2023/03/04 2023/03/04 Cape Winelands (WCW) Rapid 10 0.29 5 5 4.0 1278.2 1352.0 Analysis
18 Cape Winelands Schools Chess - Trials 1 2023 (U9 Boys) 2023/02/18 2023/02/18 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1217.8 1193.7 Analysis
17 Langeberg Schools Chess Trials 2023 (U9 Boys+Girls) 2023/02/11 2023/02/11 Cape Winelands (WCW) Rapid 30 0.60 5 4 3.5 1217.8 1321.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 34 23 1 10 23.5 69.1 162.5 1250.2 1412.7
White 19 14 1 4 14.5 76.3 223.7 1244.1 1467.8
Black 15 9 0 6 9.0 60.0 85.0 1257.9 1342.9
Standard All 16 10 0 6 10.0 62.5 106.3 1263.3 1369.5
White 9 7 0 2 7.0 77.8 236.1 1265.9 1502.0
Black 7 3 0 4 3.0 42.9 -60.7 1260.0 1199.3
Rapid All 18 13 1 4 13.5 75.0 212.5 1238.6 1451.1
White 10 7 1 2 7.5 75.0 212.5 1224.6 1437.1
Black 8 6 0 2 6.0 75.0 212.5 1256.0 1468.5
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 179 118 10 51 123.0 68.7 159.1 1225.9 1384.9
White 92 64 5 23 66.5 72.3 189.4 1217.7 1407.1
Black 87 54 5 28 56.5 64.9 127.0 1234.5 1361.5
Standard All 92 52 3 37 53.5 58.2 69.3 1237.3 1306.6
White 49 29 2 18 30.0 61.2 95.4 1226.6 1322.1
Black 43 23 1 19 23.5 54.7 39.5 1249.5 1289.0
Rapid All 87 66 7 14 69.5 79.9 254.0 1213.7 1467.7
White 43 35 3 5 36.5 84.9 296.5 1207.6 1504.1
Black 44 31 4 9 33.0 75.0 212.5 1219.8 1432.3
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 1160140079 Barends, M (Matthew) 4 3.5 3 1 0 87.5 1266.5 318.8 1585.3 View list
2 1130139478 Barends, R (Reece) 4 3.0 3 0 1 75.0 1239.3 212.5 1451.8 View list
3 2140149832 Colyn, E (Estelanie) 4 3.0 3 0 1 75.0 1380.1 212.5 1592.6 View list
4 1140148197 Van Wyk, M (Micaile) 4 3.0 2 2 0 75.0 1339.6 212.5 1552.1 View list
5 1140159013 Fluks, J (Jovan) 3 3.0 3 0 0 100.0 1432.7 425.0 1857.7 View list
6 1140144385 Makipa, M (Michael) 3 3.0 3 0 0 100.0 1241.0 425.0 1666.0 View list
7 2130137730 Sauls, L (Lekisha) 3 3.0 3 0 0 100.0 1266.7 425.0 1691.7 View list
8 1140139698 Visser, AJC (Alwyn Jacobus Christiaan) 3 3.0 3 0 0 100.0 1326.8 425.0 1751.8 View list
9 1140135124 Nogaga, O (Owethu) 3 2.5 2 1 0 83.3 1366.4 283.3 1649.7 View list
10 2100142359 Reynard, R (Ree-Shaan) 3 2.0 2 0 1 66.7 1314.1 141.7 1455.7 View list
11 1140139485 Von Wielligh, S (Sven) 3 2.0 2 0 1 66.7 1399.6 141.7 1541.2 View list
12 1130132165 Calitz, S (Steyn) 3 1.5 1 1 1 50.0 1366.4 0.0 1366.4 View list
13 1130139482 Koert, D (Dane) 3 1.0 1 0 2 33.3 1303.0 -141.7 1161.3 View list
14 2140140718 Walters, N (Nicola) 3 1.0 1 0 2 33.3 1366.4 -141.7 1224.7 View list
15 1140150070 Badenhorst, M (Marinus) 2 2.0 2 0 0 100.0 1462.8 425.0 1887.8 View list
16 1150137727 Da Silva, N (Noah Clint) 2 2.0 2 0 0 100.0 1325.9 425.0 1750.9 View list
17 1130148189 De Villiers, M (Malan) 2 2.0 2 0 0 100.0 1483.0 425.0 1908.0 View list
18 1130143658 Du Preez, Z (Zolani) 2 2.0 2 0 0 100.0 1380.1 425.0 1805.1 View list
19 1130146573 Krynauw, E (Eben) 2 2.0 2 0 0 100.0 1478.8 425.0 1903.8 View list
20 1130139483 Terblanche, S (Stefan) 2 2.0 2 0 0 100.0 1220.4 425.0 1645.4 View list