Player Page

Marais, A (Alexander)
Dob: 2015/05/17 (U10)
Gender: Male
Chess SA id: 1150140699
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (12 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
Curent Raw rating1458.7
Curent Weighted rating1328.5
Curent Weighted performance1444.8
Current official/published rating (highest between Raw, WR and WP)1458.7
Current floor (min rating allowed)959.0
Current highest rating achieved1459.0
Current K-factor32
Games played this month6
Score (S)3.5
Expected score (We)4.17
Difference (S-We)-0.67
Current Raw change (no limits, including tournament time weight)-17.8
Current min/max change allowed (with limits)±114.7
Current Raw change used (final)-17.8
Projected new Raw rating1440.9
Projected new Weighed rating1340.2
Projected new Weighted performance1444.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1444.8
Projected effective change (new Official - current Official)-13.9
Projected new highest rating1459.0
Projected new floor959.0
Projected new K-facor32
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
Curent Raw rating1387.9
Curent Weighted rating1266.2
Curent Weighted performance1365.1
Current official/published rating (highest between Raw, WR and WP)1387.9
Current floor (min rating allowed)887.9
Current highest rating achieved1387.9
Current K-factor36
Games played this month6
Score (S)3.5
Expected score (We)3.90
Difference (S-We)-0.40
Current Raw change (no limits, including tournament time weight)-14.4
Current min/max change allowed (with limits)±126.9
Current Raw change used (final)-14.4
Projected new Raw rating1373.5
Projected new Weighed rating1276.8
Projected new Weighted performance1365.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1373.5
Projected effective change (new Official - current Official)-14.4
Projected new highest rating1387.9
Projected new floor887.9
Projected new K-facor36
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
Curent Raw rating1480.2
Curent Weighted rating1346.2
Curent Weighted performance1440.5
Current official/published rating (highest between Raw, WR and WP)1480.2
Current floor (min rating allowed)980.2
Current highest rating achieved1480.2
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)±111.2
Current Raw change used (final)0.0
Projected new Raw rating1480.2
Projected new Weighed rating1359.5
Projected new Weighted performance1440.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1480.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1480.2
Projected new floor980.2
Projected new K-facor32
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)980.2
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor980.2
Projected new K-facor36
Tournaments
Tournament: Western Cape PS Individuals Championship 2024 (U9 Boys)
Start: 2024/05/04  End: 2024/05/05  Host: WCU  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 6
Games: 6  Score: 3.5
Main rating: 1458.7  Rating gain/loss: -17.8
Type rating: 1387.9  Rating gain/loss: -14.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
5 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.5 1458.7 1387.9 Analysis
4 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1459.0 1342.1 Analysis
3 Mary-Anne Bartels Closed Chess Tournament 2024 (U7+U9 Mixed) 2024/02/24 2024/02/24 Cape Town (WCT) Rapid 30 0.60 5 5 5.0 1330.4 1360.4 Analysis
2 Cape of Good Hope Open Chess Tournament 2024 (U10) 2024/02/17 2024/02/17 Cape Town (WCT) Rapid 30 0.60 6 6 4.5 1330.4 1360.4 Analysis
1 CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 5.0 1330.4 1252.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
22 Western Cape PS Individuals Championship 2024 (U9 Boys) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.5 1458.7 1387.9 Analysis
21 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1459.0 1342.1 Analysis
20 Mary-Anne Bartels Closed Chess Tournament 2024 (U7+U9 Mixed) 2024/02/24 2024/02/24 Cape Town (WCT) Rapid 30 0.60 5 5 5.0 1330.4 1360.4 Analysis
19 Cape of Good Hope Open Chess Tournament 2024 (U10) 2024/02/17 2024/02/17 Cape Town (WCT) Rapid 30 0.60 6 6 4.5 1330.4 1360.4 Analysis
18 CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 5.0 1330.4 1252.8 Analysis
17 Kraaifontein Open 2023 (U10) 2023/12/09 2023/12/09 Cape Town (WCT) Rapid 30 0.60 6 6 3.5 1333.9 1355.9 Analysis
16 Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed) 2023/11/04 2023/11/04 Cape Town (WCT) Rapid 30 0.60 6 6 5.0 1297.4 1288.6 Analysis
15 Western Cape Closed Championship 2023 (U10) 2023/09/23 2023/09/23 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1296.0 1280.0 Analysis
14 Stellenbosch Primary Chess Tournament 2023 (U10) 2023/08/19 2023/08/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1286.5 1258.4 Analysis
13 Cape Winelands Open 2023 (U10) 2023/07/23 2023/07/23 Cape Winelands (WCW) Standard 70 0.87 5 5 3.0 1272.7 1237.3 Analysis
12 GPCA Rapid 2023 (U10) 2023/06/24 2023/06/24 Cape Town (WCT) Rapid 25 0.54 7 7 4.0 1240.0 1257.0 Analysis
11 WP Closed 2023 (U10) 2023/06/17 2023/06/17 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1240.0 1202.0 Analysis
10 Steinitz Open 2023 (U10) 2023/05/27 2023/05/27 Cape Town (WCT) Rapid 20 0.47 5 5 2.0 1247.5 1289.0 Analysis
9 Rhenish Primary Tournament 2023 (U10) 2023/05/13 2023/05/13 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1247.5 1289.0 Analysis
8 Western Cape PS Individuals 2023 (U9 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1247.5 1200.0 Analysis
7 Cape Town Open 2023 (U10) 2023/03/25 2023/03/25 Cape Town (WCT) Rapid 25 0.54 6 0 0.0 1257.2 1305.9 Analysis
6 Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys) 2023/03/04 2023/03/04 Cape Town (WCT) Rapid 30 0.60 5 5 2.0 1257.2 1305.9 Analysis
5 Mary-Anne Bartels Chess Tournament 2023 (U7+U9) 2023/02/21 2023/02/21 Cape Town (WCT) Rapid 30 0.60 5 5 4.0 1249.2 1286.1 Analysis
4 Laerskool Welgemoed Rapid 2023 (U10) 2023/02/11 2023/02/11 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1249.2 1286.1 Analysis
3 District East Schools Chess Individual Trials 2023 (U7+U9 Mixed) 2023/02/04 2023/02/04 Cape Town (WCT) Rapid 30 0.60 5 5 2.0 1249.2 1286.1 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 28 21 2 5 22.0 78.6 242.9 1275.5 1518.4
White 14 12 0 2 12.0 85.7 303.6 1295.9 1599.5
Black 14 9 2 3 10.0 71.4 182.1 1255.2 1437.3
Standard All 17 12 1 4 12.5 73.5 200.0 1297.0 1497.0
White 9 7 0 2 7.0 77.8 236.1 1318.2 1554.3
Black 8 5 1 2 5.5 68.8 159.4 1273.2 1432.6
Rapid All 11 9 1 1 9.5 86.4 309.1 1242.3 1551.4
White 5 5 0 0 5.0 100.0 425.0 1255.8 1680.8
Black 6 4 1 1 4.5 75.0 212.5 1231.1 1443.6
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 117 73 3 41 74.5 63.7 116.2 1243.1 1359.3
White 59 33 0 26 33.0 55.9 50.4 1262.9 1313.3
Black 58 40 3 15 41.5 71.6 183.2 1223.0 1406.1
Standard All 33 21 1 11 21.5 65.2 128.8 1285.9 1414.7
White 17 10 0 7 10.0 58.8 75.0 1327.9 1402.9
Black 16 11 1 4 11.5 71.9 185.9 1241.3 1427.3
Rapid All 84 52 2 30 53.0 63.1 111.3 1226.2 1337.6
White 42 23 0 19 23.0 54.8 40.5 1236.5 1277.0
Black 42 29 2 11 30.0 71.4 182.1 1216.0 1398.1
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 1160150273 Kruger, J (Josua Baruch) 3 2.0 2 0 1 66.7 1291.8 141.7 1433.4 View list
2 1150139446 Small, W (Wyatt) 3 2.0 2 0 1 66.7 1304.9 141.7 1446.5 View list
3 1140146769 Klopper, B (Ben) 3 0.0 0 0 3 0.0 1281.0 -425.0 856.0 View list
4 1150136552 Van Der Merwe, S (Schalk Wolf) 3 0.0 0 0 3 0.0 1347.4 -425.0 922.4 View list
5 1140137347 Whyatt, B (Benji) 3 0.0 0 0 3 0.0 1259.1 -425.0 834.1 View list
6 1150150111 Foster, B (Bjorn) 2 2.0 2 0 0 100.0 1313.9 425.0 1738.9 View list
7 2150157088 He, L (Lily) 2 2.0 2 0 0 100.0 1289.0 425.0 1714.0 View list
8 2170147533 Klopper, E (Elbe) 2 2.0 2 0 0 100.0 1261.0 425.0 1686.0 View list
9 1160150117 Lin, J (Junming) 2 2.0 2 0 0 100.0 1394.7 425.0 1819.7 View list
10 1140143665 Somai, J (Jhash) 2 2.0 2 0 0 100.0 1303.3 425.0 1728.3 View list
11 1150145643 Tredoux, J (Jean) 2 2.0 2 0 0 100.0 1247.5 425.0 1672.5 View list
12 1150140719 Webb, P (Paul) 2 2.0 2 0 0 100.0 1253.2 425.0 1678.2 View list
13 1150191203 Beukes, B (Benjamin) 2 1.5 1 1 0 75.0 1396.3 212.5 1608.8 View list
14 1150142376 Baker, A (Andrew) 2 1.0 1 0 1 50.0 1349.5 0.0 1349.5 View list
15 2150147534 Sher, I (Ivy) 2 1.0 1 0 1 50.0 1244.6 0.0 1244.6 View list
16 1140134078 Manning, C (Callan) 2 0.0 0 0 2 0.0 1272.6 -425.0 847.6 View list
17 1140137341 Sher, E (Evan) 2 0.0 0 0 2 0.0 1252.3 -425.0 827.3 View list
18 1150137343 Stern, M (Mason) 2 0.0 0 0 2 0.0 1268.0 -425.0 843.0 View list
19 2140140713 Temmers, I (Isabella) 2 0.0 0 0 2 0.0 1220.0 -425.0 795.0 View list
20 2140140718 Walters, N (Nicola) 2 0.0 0 0 2 0.0 1224.6 -425.0 799.6 View list