Player Page

De Jager, AJ (Andreas)
Dob: 2004/03/17 (Adult)
Gender: Male
Chess SA id: 104006413
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s): CM,RA
Last active: 2024/05/11 (34 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 rating1901.4
Current Weighted rating1896.0
Current Weighted performance1638.3
Current official/published rating (highest between Raw, WR and WP)1901.4
Current highest rating achieved1916.6
Current floor (min rating allowed)1416.6
Current K-factor24
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)±61.0
Current Raw change used (final)0.0
Projected new Raw rating1901.4
Projected new Weighed rating1744.5
Projected new Weighted performance1638.3
Projected new final Raw rating (if new WP > new Raw)1901.4
Projected new highest rating1916.6
Projected new floor1416.6
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1901.4
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 rating1900.1
Current Weighted rating1891.7
Current Weighted performance1568.0
Current official/published rating (highest between Raw, WR and WP)1900.1
Current highest rating achieved1915.6
Current floor (min rating allowed)1415.6
Current K-factor24
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)±61.2
Current Raw change used (final)0.0
Projected new Raw rating1900.1
Projected new Weighed rating1740.5
Projected new Weighted performance1568.0
Projected new final Raw rating (if new WP > new Raw)1900.1
Projected new highest rating1915.6
Projected new floor1415.6
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1900.1
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 rating1810.5
Current Weighted rating1767.5
Current Weighted performance1475.7
Current official/published rating (highest between Raw, WR and WP)1810.5
Current highest rating achieved1810.5
Current floor (min rating allowed)1310.5
Current K-factor24
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)±69.5
Current Raw change used (final)0.0
Projected new Raw rating1810.5
Projected new Weighed rating1627.5
Projected new Weighted performance1475.7
Projected new final Raw rating (if new WP > new Raw)1810.5
Projected new highest rating1810.5
Projected new floor1310.5
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1810.5
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 rating1730.9
Current Weighted rating1730.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1730.9
Current highest rating achieved1730.9
Current floor (min rating allowed)1230.9
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)±77.8
Current Raw change used (final)0.0
Projected new Raw rating1730.9
Projected new Weighed rating1592.4
Projected new Weighted performance144.4
Projected new final Raw rating (if new WP > new Raw)1730.9
Projected new highest rating1730.9
Projected new floor1230.9
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1730.9
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Steinitz Chess Festival 2024 (Open Rapid) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 6 6 5.0 1901.6 1801.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
48 Steinitz Chess Festival 2024 (Open Rapid) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 6 6 5.0 1901.6 1801.4 Analysis
47 WP Club League 2023 (A) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 11 9.0 1893.0 1883.4 Analysis
46 Steinitz Open 2023 (D) 2023/05/27 2023/05/27 Cape Town (WCT) Rapid 20 0.47 6 6 5.5 1881.8 1715.2 Analysis
45 Cape Town Masters Challenge 2023 (Masters) 2023/01/04 2023/01/08 Cape Town (WCT) Standard 120 1.00 9 8 3.5 1916.6 1915.6 Analysis
44 Western Cape Club Championship 2022 (Tier 1) 2022/10/07 2022/10/09 Cape Town (WCT) Standard 65 0.85 6 5 4.0 1878.5 1867.8 Analysis
43 2022 Western Province Club League (Premier) 2022/08/20 2022/10/01 Cape Town (WCT) Standard 120 1.00 11 11 8.5 1878.5 1867.8 Analysis
42 South African Open 2022 (Championship) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 6.5 1875.4 1859.6 Analysis
41 Steinitz Open 2022 (A) 2022/05/20 2022/05/22 Cape Town (WCT) Standard 90 0.94 6 6 4.0 1876.7 1859.6 Analysis
40 Western Cape Schools Chess 2022 (U18 Boys) 2022/05/07 2022/05/08 Eden District (WEG) Standard 65 0.85 6 6 5.0 1876.7 1859.6 Analysis
39 Western Cape Inter Region Cup 2021 (Junior) 2022/03/04 2022/03/06 West Coast (WCU) Standard 90 0.94 5 4 3.0 1893.2 1878.6 Analysis
38 Western Cape Schools 2021 (U18 Boys) 2021/10/23 2021/10/23 Overberg (WOS) Rapid 35 0.66 5 5 5.0 1879.1 1709.9 Analysis
37 Western Cape Club Championships 2021 (A) 2021/10/15 2021/10/17 Eden District (WEG) Standard 65 0.85 6 6 4.5 1879.1 1880.3 Analysis
36 Western Cape Closed 2021 (Championship) 2021/09/24 2021/09/26 Cape Winelands (WCW) Standard 120 1.00 6 6 4.0 1866.6 1866.4 Analysis
35 Paul Roos Gymnasium Covid-19 Challenge 2021 (A) 2021/02/27 2021/02/28 Cape Winelands (WCW) Standard 65 0.85 5 5 4.0 1852.5 1848.6 Analysis
34 Western Cape Schools 2020 (U18 Boys) 2020/03/14 2020/03/15 Cape Town (WCT) Standard 60 0.83 5 5 3.5 1869.6 1870.7 Analysis
33 Metro North Individual Trials 2020 (U17) 2020/02/07 2020/02/08 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1887.6 1890.9 Analysis
32 Nelson Mandela Rapid 2020 (Open) 2020/02/01 2020/02/01 Cape Town (WCT) Rapid 27 0.57 6 6 4.0 1887.6 1687.8 Analysis
31 2019 South African Junior Team Championships (U18A) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 4.5 1890.2 1893.1 Analysis
30 2019 South African Closed Chess Championships (U20 Open) 2019/12/07 2019/12/14 Cape Town (WCT) Standard 120 1.00 11 10 5.5 1905.3 1909.9 Analysis
29 WORLD YOUTH UNDER-16 CHESS OLYMPIAD 2019 2019/10/29 2019/11/05 Turkey (TUR) Standard 120 1.00 9 8 5.0 1859.2 1865.5 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 6 5 0 1 5.0 83.3 283.3 1529.9 1813.2
White 3 3 0 0 3.0 100.0 425.0 1497.6 1922.6
Black 3 2 0 1 2.0 66.7 141.7 1562.2 1703.9
Standard 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
Rapid All 6 5 0 1 5.0 83.3 283.3 1529.9 1813.2
White 3 3 0 0 3.0 100.0 425.0 1497.6 1922.6
Black 3 2 0 1 2.0 66.7 141.7 1562.2 1703.9
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 323 214 50 59 239.0 74.0 203.9 1564.1 1768.1
White 170 122 22 26 133.0 78.2 240.0 1561.4 1801.4
Black 153 92 28 33 106.0 69.3 163.9 1567.1 1731.0
Standard All 260 170 45 45 192.5 74.0 204.3 1565.2 1769.5
White 139 98 19 22 107.5 77.3 232.4 1572.7 1805.1
Black 121 72 26 23 85.0 70.2 172.1 1556.5 1728.6
Rapid All 56 40 5 11 42.5 75.9 220.1 1528.9 1749.0
White 28 22 3 3 23.5 83.9 288.4 1496.4 1784.8
Black 28 18 2 8 19.0 67.9 151.8 1561.4 1713.2
Blitz All 7 4 0 3 4.0 57.1 60.7 1807.4 1868.1
White 3 2 0 1 2.0 66.7 141.7 1644.9 1786.6
Black 4 2 0 2 2.0 50.0 0.0 1929.3 1929.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1050106200 Braaf, J (Jiraan) 7 5.5 5 1 1 78.6 1873.2 242.9 2116.0 View list
2 105057149 Van Der Merwe, A (Alexander) 6 4.0 3 2 1 66.7 1790.9 141.7 1932.5 View list
3 100006449 De Jager, LJ (Luan) 5 4.5 4 1 0 90.0 1846.3 340.0 2186.3 View list
4 105090611 Mnyasta, T (Tezihano) 5 4.0 4 0 1 80.0 1834.7 255.0 2089.7 View list
5 104046622 Coetzee, P (Philip) 4 4.0 4 0 0 100.0 1801.0 425.0 2226.0 View list
6 197076467 Mncwabe, M (Minenhle Junior) 4 4.0 4 0 0 100.0 1869.2 425.0 2294.2 View list
7 104043420 Yu, CRR (Changrui) 4 3.5 3 1 0 87.5 1682.2 318.8 2001.0 View list
8 104028947 Olkers, LP (Lleyton) 4 2.5 2 1 1 62.5 1635.6 106.3 1741.8 View list
9 103018535 Louw, C (Carlo) 4 2.0 1 2 1 50.0 1712.9 0.0 1712.9 View list
10 101033066 Samuels, ER (Ethan) 4 2.0 1 2 1 50.0 1844.9 0.0 1844.9 View list
11 184018612 Louw, LT (Llewellyn) 3 3.0 3 0 0 100.0 1786.2 425.0 2211.2 View list
12 103024859 Moore, D (Darren) 3 3.0 3 0 0 100.0 1623.9 425.0 2048.9 View list
13 103044466 Nieuwoudt, D (Dawid) 3 3.0 3 0 0 100.0 1683.8 425.0 2108.8 View list
14 103054175 Odendaal, J (Juan) 3 3.0 3 0 0 100.0 1732.3 425.0 2157.3 View list
15 143029559 Pearson, GEC (Grahame) 3 3.0 3 0 0 100.0 1782.3 425.0 2207.3 View list
16 193042920 Willenberg, SC (Shane) 3 2.5 2 1 0 83.3 1878.0 283.3 2161.3 View list
17 104007000 De Wit, PJ (Petrie) 3 2.0 2 0 1 66.7 1688.2 141.7 1829.9 View list
18 104008516 Eaton, DWL (Dante) 3 1.5 1 1 1 50.0 1746.1 0.0 1746.1 View list
19 199018842 Lynch, J (Justin) 3 1.5 1 1 1 50.0 1788.0 0.0 1788.0 View list
20 163002189 Bhawoodien, SH (Shabier) 3 0.0 0 0 3 0.0 1776.5 -425.0 1351.5 View list