Player Page

Acker, S (Steven)
Dob: 2008/09/18 (U18)
Gender: Male
Chess SA id: 1080148656
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (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
Current Raw rating1355.0
Current Weighted rating1315.3
Current Weighted performance1333.3
Current official/published rating (highest between Raw, WR and WP)1355.0
Current highest rating achieved1374.8
Current floor (min rating allowed)874.8
Current K-factor36
Games played this month12
Score (S)6.0
Expected score (We)5.47
Difference (S-We)0.48
Current Raw change (no limits, including tournament time weight)17.2
Current min/max change allowed (with limits)±133.0
Current Raw change used (final)17.2
Projected new Raw rating1372.2
Projected new Weighed rating1212.0
Projected new Weighted performance1363.5
Projected new final Raw rating (if new WP > new Raw)1372.2
Projected new highest rating1374.8
Projected new floor874.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1372.2
Projected effective change (new Official - current Official)+17.2
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 rating1356.0
Current Weighted rating1314.8
Current Weighted performance1333.3
Current official/published rating (highest between Raw, WR and WP)1356.0
Current highest rating achieved1384.1
Current floor (min rating allowed)884.1
Current K-factor36
Games played this month12
Score (S)6.0
Expected score (We)5.44
Difference (S-We)0.56
Current Raw change (no limits, including tournament time weight)20.2
Current min/max change allowed (with limits)±132.8
Current Raw change used (final)20.2
Projected new Raw rating1376.2
Projected new Weighed rating1211.5
Projected new Weighted performance1363.5
Projected new final Raw rating (if new WP > new Raw)1376.2
Projected new highest rating1384.1
Projected new floor884.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1376.2
Projected effective change (new Official - current Official)+20.2
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 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
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: 2024 Etienne Lewis (U18+U20)
Start: 2024/08/30  End: 2024/09/01  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 7
Games: 7  Score: 3.0
Main rating: 1355.0  Rating gain/loss: 11.8
Type rating: 1356.0  Rating gain/loss: 12.6
Analysis
Tournament: Gauteng Schools Individuals Finals 2024 (U18 Boys)
Start: 2024/08/17  End: 2024/08/17  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1355.0  Rating gain/loss: 5.4
Type rating: 1356.0  Rating gain/loss: 7.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 2024 Etienne Lewis (U18+U20) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1355.0 1356.0 Analysis
6 Gauteng Schools Individuals Finals 2024 (U18 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1355.0 1356.0 Analysis
5 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1342.5 1343.4 Analysis
4 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1374.8 1384.1 Analysis
3 2024 Tshwane North School District CLOSED Individual Champioships (U18 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1304.2 1297.0 Analysis
2 District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) 2024/05/06 2024/05/06 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1304.2 1297.0 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1304.5 1297.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
14 2024 Etienne Lewis (U18+U20) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1355.0 1356.0 Analysis
13 Gauteng Schools Individuals Finals 2024 (U18 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1355.0 1356.0 Analysis
12 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1342.5 1343.4 Analysis
11 2024 Tshwane North School District Cluster 4 & 5 Team League (U17) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1374.8 1384.1 Analysis
10 2024 Tshwane North School District CLOSED Individual Champioships (U18 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1304.2 1297.0 Analysis
9 District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys) 2024/05/06 2024/05/06 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1304.2 1297.0 Analysis
8 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1304.5 1297.7 Analysis
7 2023 Alekhine Open Tournament (C) 2023/09/09 2023/09/09 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1320.4 1315.3 Analysis
6 2023 Etienne Lewis Closed Tournament (U16) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 3.5 1295.2 1307.3 Analysis
5 2023 Tshwane North School District CLOSED League Championships (D3) (U15) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1295.2 1307.3 Analysis
4 2023 Tshwane North School District CLOSED Individual Championships (D3) (U15 Open) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1275.5 1284.3 Analysis
3 Chris Greyling Open Tournament 2023 (C) 2023/03/21 2023/03/21 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1219.3 1222.0 Analysis
2 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D1) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1219.3 1222.0 Analysis
1 2023 Tshwane Chess Open Registration Tournament (D2) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 36 19 2 15 20.0 55.6 47.2 1335.5 1382.7
White 16 9 1 6 9.5 59.4 79.7 1355.0 1434.7
Black 20 10 1 9 10.5 52.5 21.3 1319.9 1341.1
Standard All 36 19 2 15 20.0 55.6 47.2 1335.5 1382.7
White 16 9 1 6 9.5 59.4 79.7 1355.0 1434.7
Black 20 10 1 9 10.5 52.5 21.3 1319.9 1341.1
Rapid 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
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 73 39 6 28 42.0 57.5 64.0 1294.8 1358.8
White 35 19 3 13 20.5 58.6 72.9 1295.1 1368.0
Black 38 20 3 15 21.5 56.6 55.9 1294.5 1350.4
Standard All 73 39 6 28 42.0 57.5 64.0 1294.8 1358.8
White 35 19 3 13 20.5 58.6 72.9 1295.1 1368.0
Black 38 20 3 15 21.5 56.6 55.9 1294.5 1350.4
Rapid 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
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 1090116742 Baloyi, B (Boikanyo) 2 1.0 1 0 1 50.0 1295.2 0.0 1295.2 View list
2 1090144852 Snydert, A (Aiden Franscisco) 2 1.0 1 0 1 50.0 1299.8 0.0 1299.8 View list
3 1060156007 Durand, A (Albert) 2 0.5 0 1 1 25.0 1304.2 -212.5 1091.7 View list
4 1100143696 Songo, D (Divine) 2 0.0 0 0 2 0.0 1307.8 -425.0 882.8 View list
5 2120134213 Jansen, A (Alexia) 1 1.0 1 0 0 100.0 1219.3 425.0 1644.3 View list
6 110092125 Jansen Van Vuuren, J (Joshua) 1 1.0 1 0 0 100.0 1219.3 425.0 1644.3 View list
7 1080099944 Chisholm, K (Kayden Patrick) 1 1.0 1 0 0 100.0 1355.0 425.0 1780.0 View list
8 1070135509 Blom, J (Jess) 1 1.0 1 0 0 100.0 1219.3 425.0 1644.3 View list
9 1080155982 Dlamini, N (Nkosephayo) 1 1.0 1 0 0 100.0 1275.5 425.0 1700.5 View list
10 1080303433 Gaompotse, J (Justin) 1 1.0 1 0 0 100.0 1304.2 425.0 1729.2 View list
11 1090144506 Jansen Van Rensburg, N (Nicholas) 1 1.0 1 0 0 100.0 1219.3 425.0 1644.3 View list
12 1080149159 Gololo, T (Tiisetso) 1 1.0 1 0 0 100.0 1304.2 425.0 1729.2 View list
13 1070303437 Luvuno, L (Luvuyo) 1 1.0 1 0 0 100.0 1304.2 425.0 1729.2 View list
14 1080303438 Makhubela, K (Kamogelo) 1 1.0 1 0 0 100.0 1374.8 425.0 1799.8 View list
15 1090155986 Maswanganye, N (Nhlamulo) 1 1.0 1 0 0 100.0 1275.5 425.0 1700.5 View list
16 1080130090 Matsioloko, O (Osega) 1 1.0 1 0 0 100.0 1355.0 425.0 1780.0 View list
17 1090159834 Mdluli, S (Senentlatla) 1 1.0 1 0 0 100.0 1295.2 425.0 1720.2 View list
18 2060108330 Mokone, O (Oratile) 1 1.0 1 0 0 100.0 1320.4 425.0 1745.4 View list
19 1080141600 Monaledi, O (Otsile) 1 1.0 1 0 0 100.0 1219.3 425.0 1644.3 View list
20 1080308325 Msimango, S (Sibusiso) 1 1.0 1 0 0 100.0 1355.0 425.0 1780.0 View list