Player Page

Marais, J (Jordan)
Dob: 2004/09/15 (Adult)
Gender: Male
Chess SA id: 1040154611
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/06/17 (3 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 rating1353.5
Current Weighted rating1273.1
Current Weighted performance1417.2
Current official/published rating (highest between Raw, WR and WP)1417.2
Current highest rating achieved1353.5
Current floor (min rating allowed)853.5
Current K-factor36
Games played this month6
Score (S)4.0
Expected score (We)3.44
Difference (S-We)0.56
Current Raw change (no limits, including tournament time weight)20.2
Current min/max change allowed (with limits)±133.2
Current Raw change used (final)20.2
Projected new Raw rating1373.7
Projected new Weighed rating1173.3
Projected new Weighted performance1447.1
Projected new final Raw rating (if new WP > new Raw)1447.1
Projected new highest rating1447.1
Projected new floor947.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1447.1
Projected effective change (new Official - current Official)+29.9
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 month6
Score (S)4.0
Expected score (We)2.38
Difference (S-We)1.62
Current Raw change (no limits, including tournament time weight)58.3
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)58.3
Projected new Raw rating1258.3
Projected new Weighed rating1104.0
Projected new Weighted performance477.3
Projected new final Raw rating (if new WP > new Raw)1258.3
Projected new highest rating1258.3
Projected new floor758.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1258.3
Projected effective change (new Official - current Official)+58.3
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 rating1451.1
Current Weighted rating1289.9
Current Weighted performance1491.8
Current official/published rating (highest between Raw, WR and WP)1491.8
Current highest rating achieved1451.1
Current floor (min rating allowed)951.1
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)±115.9
Current Raw change used (final)0.0
Projected new Raw rating1451.1
Projected new Weighed rating1189.2
Projected new Weighted performance1491.8
Projected new final Raw rating (if new WP > new Raw)1491.8
Projected new highest rating1491.8
Projected new floor991.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1491.8
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 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
Tournament: Cape Town Chess Federation Closed Chess Championships 2024 (D)
Start: 2024/06/15  End: 2024/06/17  Host: WCT  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 6
Games: 6  Score: 4.0
Main rating: 1353.5  Rating gain/loss: 20.2
Type rating: 1200.0  Rating gain/loss: 58.3
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Cape Town Chess Federation Closed Chess Championships 2024 (D) 2024/06/15 2024/06/17 Cape Town (WCT) Standard 120 1.00 6 6 4.0 1353.5 1200.0 Analysis
2 Steinitz Chess Festival 2024 (Open Rapid) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 6 5 3.0 1322.2 1321.8 Analysis
1 Chas Everitt and MHI Attorneys Rapid 2024 (B) 2024/03/09 2024/03/09 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1308.0 1312.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Cape Town Chess Federation Closed Chess Championships 2024 (D) 2024/06/15 2024/06/17 Cape Town (WCT) Standard 120 1.00 6 6 4.0 1353.5 1200.0 Analysis
6 Steinitz Chess Festival 2024 (Open Rapid) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 6 5 3.0 1322.2 1321.8 Analysis
5 Chas Everitt and MHI Attorneys Rapid 2024 (B) 2024/03/09 2024/03/09 Cape Town (WCT) Rapid 25 0.54 6 6 3.0 1308.0 1312.4 Analysis
4 Kraaifontein Open 2023 (Open) 2023/12/10 2023/12/10 Cape Town (WCT) Rapid 30 0.60 6 6 3.0 1261.8 1269.2 Analysis
3 Chas Everitt and MHI Attorneys Rapid 2023 (B) 2023/11/04 2023/11/04 Cape Town (WCT) Rapid 25 0.54 6 5 3.0 1243.1 1263.4 Analysis
2 Curro Durbanville Chess Open Rapid 2023 (Intermediate) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 3.0 1223.6 1256.2 Analysis
1 Midas Paints Chess Cup Term 2 2023 (Open) 2023/04/15 2023/04/15 Cape Winelands (WCW) Rapid 13 0.35 6 6 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 9 2 6 10.0 58.8 75.0 1446.1 1521.1
White 8 6 2 0 7.0 87.5 318.8 1380.2 1698.9
Black 9 3 0 6 3.0 33.3 -141.7 1504.8 1363.1
Standard All 6 3 2 1 4.0 66.7 141.7 1291.6 1433.3
White 3 1 2 0 2.0 66.7 141.7 1291.9 1433.6
Black 3 2 0 1 2.0 66.7 141.7 1291.3 1433.0
Rapid All 11 6 0 5 6.0 54.5 38.6 1530.4 1569.1
White 5 5 0 0 5.0 100.0 425.0 1433.1 1858.1
Black 6 1 0 5 1.0 16.7 -283.3 1611.6 1328.2
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 40 20 4 16 22.0 55.0 42.5 1441.9 1484.4
White 19 12 4 3 14.0 73.7 201.3 1410.0 1611.3
Black 21 8 0 13 8.0 38.1 -101.2 1470.8 1369.6
Standard All 6 3 2 1 4.0 66.7 141.7 1291.6 1433.3
White 3 1 2 0 2.0 66.7 141.7 1291.9 1433.6
Black 3 2 0 1 2.0 66.7 141.7 1291.3 1433.0
Rapid All 34 17 2 15 18.0 52.9 25.0 1468.4 1493.4
White 16 11 2 3 12.0 75.0 212.5 1432.2 1644.7
Black 18 6 0 12 6.0 33.3 -141.7 1500.7 1359.0
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 1080150210 Jonker, R (Ruan) 1 1.0 1 0 0 100.0 1261.8 425.0 1686.8 View list
2 209095311 Grove, E (Emily) 1 1.0 1 0 0 100.0 1308.0 425.0 1733.0 View list
3 2060096540 Diniso, S (Solulele) 1 1.0 1 0 0 100.0 1223.6 425.0 1648.6 View list
4 1100132103 De Clerk, J (Juan) 1 1.0 1 0 0 100.0 1322.2 425.0 1747.2 View list
5 107087105 Brink, W (Wihan) 1 1.0 1 0 0 100.0 1261.8 425.0 1686.8 View list
6 103003300 Bown, D (Dean) 1 1.0 1 0 0 100.0 1322.2 425.0 1747.2 View list
7 2030107204 Osborne, N (Nicole) 1 1.0 1 0 0 100.0 1243.1 425.0 1668.1 View list
8 1020154612 Oosthuizen, R (Robert) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1100135522 Oosthuizen, E (Ethan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1090150531 Nel, W (Wian) 1 1.0 1 0 0 100.0 1353.5 425.0 1778.5 View list
11 1120150408 Rogov, E (Evgenij) 1 1.0 1 0 0 100.0 1261.8 425.0 1686.8 View list
12 1090134113 Rubusana, A (Anda) 1 1.0 1 0 0 100.0 1223.6 425.0 1648.6 View list
13 162035649 Solomon, AS (Aubrey) 1 1.0 1 0 0 100.0 1322.2 425.0 1747.2 View list
14 185035662 Solomon, WC (William) 1 1.0 1 0 0 100.0 1353.5 425.0 1778.5 View list
15 1130132170 Srivastava, P (Prakhar) 1 1.0 1 0 0 100.0 1308.0 425.0 1733.0 View list
16 1150137343 Stern, M (Mason) 1 1.0 1 0 0 100.0 1308.0 425.0 1733.0 View list
17 1690116429 Talmarkes, M (Matthew) 1 1.0 1 0 0 100.0 1243.1 425.0 1668.1 View list
18 2020147026 Tredoux, V (Vivienne) 1 1.0 1 0 0 100.0 1353.5 425.0 1778.5 View list
19 1070157070 Van Wyngaard, L (Luke Jarryd) 1 1.0 1 0 0 100.0 1243.1 425.0 1668.1 View list
20 1110149802 Viljoen, L (Lucca) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list