Player Page

Sparks, SJW (Stephen)
Dob: 1981/01/23 (Adult)
Gender: Male
Chess SA id: 181035793
FIDE id:
Region: Ethekwini (KED)
Citizen: RSA
Title(s):
Last active: 2024/06/04 (20 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 rating1533.2
Current Weighted rating1474.1
Current Weighted performance1366.7
Current official/published rating (highest between Raw, WR and WP)1533.2
Current highest rating achieved1557.3
Current floor (min rating allowed)1057.3
Current K-factor32
Games played this month6
Score (S)3.5
Expected score (We)3.52
Difference (S-We)-0.01
Current Raw change (no limits, including tournament time weight)-0.3
Current min/max change allowed (with limits)±103.1
Current Raw change used (final)-0.3
Projected new Raw rating1532.9
Projected new Weighed rating1358.8
Projected new Weighted performance1408.1
Projected new final Raw rating (if new WP > new Raw)1532.9
Projected new highest rating1557.3
Projected new floor1057.3
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1532.9
Projected effective change (new Official - current Official)-0.3
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 rating1492.6
Current Weighted rating1439.7
Current Weighted performance1369.7
Current official/published rating (highest between Raw, WR and WP)1492.6
Current highest rating achieved1507.6
Current floor (min rating allowed)1007.6
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)±109.3
Current Raw change used (final)0.0
Projected new Raw rating1492.6
Projected new Weighed rating1326.9
Projected new Weighted performance1369.7
Projected new final Raw rating (if new WP > new Raw)1492.6
Projected new highest rating1507.6
Projected new floor1007.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1492.6
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 rating1627.8
Current Weighted rating1393.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1627.8
Current highest rating achieved1631.1
Current floor (min rating allowed)1131.1
Current K-factor28
Games played this month6
Score (S)3.5
Expected score (We)4.33
Difference (S-We)-0.83
Current Raw change (no limits, including tournament time weight)-23.2
Current min/max change allowed (with limits)±90.1
Current Raw change used (final)-23.2
Projected new Raw rating1604.6
Projected new Weighed rating1288.7
Projected new Weighted performance851.0
Projected new final Raw rating (if new WP > new Raw)1604.6
Projected new highest rating1631.1
Projected new floor1131.1
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1604.6
Projected effective change (new Official - current Official)-23.2
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 rating1712.0
Current Weighted rating1459.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1712.0
Current highest rating achieved1712.0
Current floor (min rating allowed)1212.0
Current K-factor28
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)±80.0
Current Raw change used (final)0.0
Projected new Raw rating1712.0
Projected new Weighed rating1349.4
Projected new Weighted performance654.4
Projected new final Raw rating (if new WP > new Raw)1712.0
Projected new highest rating1712.0
Projected new floor1212.0
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1712.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: Randburg Autumn Rapid 2024
Start: 2024/05/28  End: 2024/06/04  Host: GJM  Type: Rapid   Time: 25  Time weight: 0.54  Rounds: 6
Games: 6  Score: 3.5
Main rating: 1533.2  Rating gain/loss: -0.3
Type rating: 1627.8  Rating gain/loss: -23.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Randburg Autumn Rapid 2024 2024/05/28 2024/06/04 Johannesburg Metro (GJM) Rapid 25 0.54 6 6 3.5 1533.2 1627.8 Analysis
3 Randburg Chess Club Championship 2024 2024/04/09 2024/05/21 Johannesburg Metro (GJM) Standard 90 0.94 7 7 4.0 1528.7 1488.1 Analysis
2 Randburg Chess Club New Year Swiss 2024 2024/02/06 2024/02/06 Johannesburg Metro (GJM) Standard 90 0.94 7 6 2.0 1557.3 1507.6 Analysis
1 Randburg New Year Rapid 2024 2024/01/23 2024/01/30 Johannesburg Metro (GJM) Rapid 25 0.54 6 1 0.0 1557.3 1631.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
13 Randburg Autumn Rapid 2024 2024/05/28 2024/06/04 Johannesburg Metro (GJM) Rapid 25 0.54 6 6 3.5 1533.2 1627.8 Analysis
12 Randburg Chess Club Championship 2024 2024/04/09 2024/05/21 Johannesburg Metro (GJM) Standard 90 0.94 7 7 4.0 1528.7 1488.1 Analysis
11 Randburg Chess Club New Year Swiss 2024 2024/02/06 2024/02/06 Johannesburg Metro (GJM) Standard 90 0.94 7 6 2.0 1557.3 1507.6 Analysis
10 Randburg New Year Rapid 2024 2024/01/23 2024/01/30 Johannesburg Metro (GJM) Rapid 25 0.54 6 1 0.0 1557.3 1631.1 Analysis
9 Randburg Club Championships Swiss 2023 2023/08/29 2023/10/10 Johannesburg Metro (GJM) Standard 90 0.94 7 7 3.0 1434.1 1405.7 Analysis
8 Randburg Club Championship Rapid 2023 2023/08/15 2023/08/22 Johannesburg Metro (GJM) Rapid 25 0.54 6 6 2.5 1432.5 1200.0 Analysis
7 Randburg Summer Swiss 2022 2022/10/25 2022/12/06 Johannesburg Metro (GJM) Standard 90 0.94 7 7 4.0 1391.2 1350.3 Analysis
6 Randburg Club Championships Swiss 2022 2022/07/19 2022/09/06 Johannesburg Metro (GJM) Standard 90 0.94 7 6 3.0 1297.2 1276.9 Analysis
5 South African Open 2022 (Blitz) 2022/07/14 2022/07/14 Cape Town (WCT) Blitz 5 0.18 10 9 4.0 1228.4 1258.0 Analysis
4 South African Open 2022 (Championship) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 9 2.0 1228.4 1220.0 Analysis
3 Chessheroes Youth Day 2022 (B) 2022/06/16 2022/06/18 Johannesburg Metro (GJM) Standard 120 1.00 5 5 1.5 1214.0 1200.0 Analysis
2 Moja Open 2022 (Prestige) 2022/03/19 2022/03/22 Frances Baard (NCF) Standard 120 1.00 7 0 0.0 1214.0 1200.0 Analysis
1 Chessheroes Choo Choo Challenge 2022 2022/01/08 2022/01/08 Tshwane (GTP) Blitz 8 0.25 7 7 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 9 1 10 9.5 47.5 -21.3 1529.8 1508.6
White 10 5 1 4 5.5 55.0 42.5 1432.2 1474.7
Black 10 4 0 6 4.0 40.0 -85.0 1627.5 1542.5
Standard All 13 6 0 7 6.0 46.2 -32.7 1527.3 1494.6
White 7 4 0 3 4.0 57.1 60.7 1428.2 1488.9
Black 6 2 0 4 2.0 33.3 -141.7 1643.0 1501.3
Rapid All 7 3 1 3 3.5 50.0 0.0 1534.5 1534.5
White 3 1 1 1 1.5 50.0 0.0 1441.5 1441.5
Black 4 2 0 2 2.0 50.0 0.0 1604.4 1604.4
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 76 29 9 38 33.5 44.1 -50.3 1531.0 1480.7
White 39 17 5 17 19.5 50.0 0.0 1512.1 1512.1
Black 37 12 4 21 14.0 37.8 -103.4 1551.0 1447.6
Standard All 47 16 7 24 19.5 41.5 -72.3 1543.2 1470.8
White 24 10 4 10 12.0 50.0 0.0 1494.6 1494.6
Black 23 6 3 14 7.5 32.6 -147.8 1593.8 1446.0
Rapid All 13 5 2 6 6.0 46.2 -32.7 1526.2 1493.5
White 6 2 1 3 2.5 41.7 -70.8 1520.3 1449.5
Black 7 3 1 3 3.5 50.0 0.0 1531.3 1531.3
Blitz All 16 8 0 8 8.0 50.0 0.0 1499.1 1499.1
White 9 5 0 4 5.0 55.6 47.2 1553.1 1600.3
Black 7 3 0 4 3.0 42.9 -60.7 1429.8 1369.1
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 158022721 Metcalfe, AR (Allister) 5 2.5 2 1 2 50.0 1441.4 0.0 1441.4 View list
2 174009090 Essop, R (Rashied) 3 2.0 2 0 1 66.7 1314.6 141.7 1456.2 View list
3 163015814 Kleyn, AE (Andrew) 3 1.0 1 0 2 33.3 1374.2 -141.7 1232.5 View list
4 155022650 Mendelsohn, DC (David) 3 0.5 0 1 2 16.7 1415.2 -283.3 1131.9 View list
5 1640119080 Goldberg, M (Mark) 2 2.0 2 0 0 100.0 1481.4 425.0 1906.4 View list
6 170035526 Snyckers, FA (Frank) 2 1.5 1 1 0 75.0 1411.8 212.5 1624.3 View list
7 2120115959 Mungal, Z (Zoey) 2 1.0 1 0 1 50.0 1495.7 0.0 1495.7 View list
8 194030356 Pillay, N (Nico) 2 1.0 1 0 1 50.0 1433.3 0.0 1433.3 View list
9 1130116883 Tak, R (Rannveer) 2 1.0 1 0 1 50.0 1543.0 0.0 1543.0 View list
10 101050584 Mazibuko, K (Khanya) 2 0.0 0 0 2 0.0 1543.0 -425.0 1118.0 View list
11 1100103439 Mungal, E (Ethan) 2 0.0 0 0 2 0.0 1483.7 -425.0 1058.7 View list
12 1840151780 Hayward, S (Stuart) 1 1.0 1 0 0 100.0 1528.7 425.0 1953.7 View list
13 1960191704 Harmse, J (Justin) 1 1.0 1 0 0 100.0 1533.2 425.0 1958.2 View list
14 181011771 Hangelbroek, P (Peter) 1 1.0 1 0 0 100.0 1434.1 425.0 1859.1 View list
15 186005213 Coetzee, JS (Jurgen) 1 1.0 1 0 0 100.0 1228.4 425.0 1653.4 View list
16 1810136342 Bumhira, W (Wilbert) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 159008414 Durow, NL (Neil) 1 1.0 1 0 0 100.0 1533.2 425.0 1958.2 View list
18 1890133886 De Montbron, M (Maxime) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 105058535 Liao, J (Jingpu) 1 1.0 1 0 0 100.0 1432.5 425.0 1857.5 View list
20 1700148035 Loon, M (Marc) 1 1.0 1 0 0 100.0 1391.2 425.0 1816.2 View list