Player Page

Marais, N (Nina)
Dob: 2002/01/04 (Adult)
Gender: Female
Chess SA id: 202020794
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s): WUM
Last active: 2023/03/04 (472 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 rating1754.7
Current Weighted rating1729.6
Current Weighted performance1316.0
Current official/published rating (highest between Raw, WR and WP)1754.7
Current highest rating achieved1799.2
Current floor (min rating allowed)1299.2
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)±75.2
Current Raw change used (final)0.0
Projected new Raw rating1754.7
Projected new Weighed rating1591.6
Projected new Weighted performance1316.0
Projected new final Raw rating (if new WP > new Raw)1754.7
Projected new highest rating1799.2
Projected new floor1299.2
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1754.7
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 rating1736.0
Current Weighted rating1721.3
Current Weighted performance1316.0
Current official/published rating (highest between Raw, WR and WP)1736.0
Current highest rating achieved1799.7
Current floor (min rating allowed)1299.7
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)±77.3
Current Raw change used (final)0.0
Projected new Raw rating1736.0
Projected new Weighed rating1583.7
Projected new Weighted performance1316.0
Projected new final Raw rating (if new WP > new Raw)1736.0
Projected new highest rating1799.7
Projected new floor1299.7
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1736.0
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 rating1657.4
Current Weighted rating1657.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1657.4
Current highest rating achieved1657.4
Current floor (min rating allowed)1157.4
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)±86.4
Current Raw change used (final)0.0
Projected new Raw rating1657.4
Projected new Weighed rating1524.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1657.4
Projected new floor1157.4
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1657.4
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 rating1657.4
Current Weighted rating1657.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1657.4
Current highest rating achieved1657.4
Current floor (min rating allowed)1157.4
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)±86.4
Current Raw change used (final)0.0
Projected new Raw rating1657.4
Projected new Weighed rating1524.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1657.4
Projected new floor1157.4
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1657.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
37 2023 Afrikaans Hoër Seunskool Open Chess Tournament (A) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1736.6 1739.3 Analysis
36 2023 Tshwane Chess Open Registration Tournament (A) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1715.7 1714.4 Analysis
35 Ussa Chess Championships 2022 (Ladies) 2022/12/05 2022/12/09 Frances Baard (NCF) Standard 120 1.00 9 9 7.5 1727.5 1725.9 Analysis
34 2022 Tshwane Chess Open Registration Tournament (A) 2022/01/29 2022/01/29 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1754.3 1760.3 Analysis
33 Ekurhuleni Chess Open 2022 (A) 2022/01/07 2022/01/09 Ekurhuleni (GE) Standard 90 0.94 7 7 4.5 1754.3 1760.3 Analysis
32 2021 Chris Greyling Open Tournament (A) 2021/05/08 2021/05/08 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1749.0 1754.7 Analysis
31 Ekurhuleni Chess Chessa Open 2021 (Elite) 2021/03/27 2021/03/28 Ekurhuleni (GE) Standard 90 0.94 5 4 2.5 1720.6 1725.3 Analysis
30 Carel`s Open 2020 (A) 2020/02/29 2020/02/29 Sedibeng (GSV) Standard 60 0.83 5 5 4.0 1703.9 1706.0 Analysis
29 2019 South African Junior Team Championships (U20A) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.5 1743.7 1744.1 Analysis
28 2019 South African Closed Chess Championships (Women A) 2019/12/07 2019/12/17 Cape Town (WCT) Standard 150 1.00 11 11 6.5 1740.9 1740.2 Analysis
27 GE vs GSV Inter Regional 2019 (U20A) 2019/10/26 2019/10/26 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1724.8 1734.0 Analysis
26 The King`s Cup League 2019 (A) 2019/10/19 2019/10/19 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1724.8 1734.0 Analysis
25 2019 Centurion Open (A) 2019/09/28 2019/09/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1719.7 1728.4 Analysis
24 The King`s Cup League - Stage 2 2019 (A) 2019/09/07 2019/09/07 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1719.7 1728.4 Analysis
23 JNW Club - Maragon Open 2019 (A) 2019/08/03 2019/08/03 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1717.4 1724.5 Analysis
22 Eureka Chess Open 2019 (A) 2019/07/27 2019/07/27 Sedibeng (GSV) Standard 61 0.83 5 4 0.5 1705.8 1706.6 Analysis
21 2019 Menlo Open (A) 2019/07/13 2019/07/13 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1705.8 1706.6 Analysis
20 JNW Club - Hoerskool Linden 2019 (A) 2019/06/15 2019/06/15 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1716.5 1716.7 Analysis
19 Vaal Chess Club Open 2019 (A) 2019/06/01 2019/06/01 Sedibeng (GSV) Standard 61 0.83 5 5 3.5 1716.5 1716.7 Analysis
18 JNW Club - Bryanston Open 2 2019 (A) 2019/05/11 2019/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1694.9 1690.4 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
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 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 216 113 39 64 132.5 61.3 96.4 1603.4 1699.8
White 104 59 18 27 68.0 65.4 130.8 1616.4 1747.1
Black 112 54 21 37 64.5 57.6 64.5 1591.3 1655.8
Standard All 216 113 39 64 132.5 61.3 96.4 1603.4 1699.8
White 104 59 18 27 68.0 65.4 130.8 1616.4 1747.1
Black 112 54 21 37 64.5 57.6 64.5 1591.3 1655.8
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 202008804 Engelbrecht, H (Hanri) 4 3.5 3 1 0 87.5 1667.2 318.8 1985.9 View list
2 105058538 Smit, D (Devon) 4 2.5 1 3 0 62.5 1717.9 106.3 1824.1 View list
3 104053107 Govender, Y (Yaduvir) 4 1.5 1 1 2 37.5 1703.1 -106.3 1596.9 View list
4 101015487 Khumalo, KB (Keith) 4 1.0 1 0 3 25.0 1739.6 -212.5 1527.1 View list
5 104064895 Naidoo, T (Tashil) 3 3.0 3 0 0 100.0 1712.5 425.0 2137.5 View list
6 103004868 Claassen, J (Jean-Daniel) 3 2.0 2 0 1 66.7 1721.9 141.7 1863.6 View list
7 184027327 Nene, TH (Themba) 3 1.5 1 1 1 50.0 1719.4 0.0 1719.4 View list
8 101032167 Richter, J-M (Jan-Michael) 3 1.5 1 1 1 50.0 1732.8 0.0 1732.8 View list
9 103005804 Cruywagen, A (Armand) 3 1.0 1 0 2 33.3 1732.0 -141.7 1590.4 View list
10 203034366 Shaw, LA (Laurie Ann) 3 1.0 1 0 2 33.3 1670.8 -141.7 1529.1 View list
11 294011237 Grobbelaar, J (Jacqui) 3 1.0 0 2 1 33.3 1654.2 -141.7 1512.5 View list
12 191012376 Hercules, BV (Benjamin) 3 0.0 0 0 3 0.0 1740.8 -425.0 1315.8 View list
13 187019959 Makoto, R (Rodwell) 3 0.0 0 0 3 0.0 1710.7 -425.0 1285.7 View list
14 104001642 Bedesi, TT (Tahil) 2 2.0 2 0 0 100.0 1712.8 425.0 2137.8 View list
15 104067562 Maharaj, A (Ajeet) 2 2.0 2 0 0 100.0 1721.3 425.0 2146.3 View list
16 106076005 Nguyen, MT (Minh) 2 2.0 2 0 0 100.0 1759.5 425.0 2184.4 View list
17 202029421 Parthiephal, D (Dayaan) 2 2.0 2 0 0 100.0 1658.7 425.0 2083.7 View list
18 108076196 Potgieter, E (Edward) 2 2.0 2 0 0 100.0 1732.3 425.0 2157.3 View list
19 208082261 Strong, D (Davida) 2 2.0 2 0 0 100.0 1720.2 425.0 2145.2 View list
20 172037577 Theron, A (Andre) 2 2.0 2 0 0 100.0 1757.8 425.0 2182.8 View list