Player Page

Davis, JJ (Jan)
Dob: 2009/04/21 (U16)
Gender: Male
Chess SA id: 109083247
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2019/05/18 (1820 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
Curent Raw rating1047.7
Curent Weighted rating1047.7
Curent Weighted performance394.1
Current official/published rating (highest between Raw, WR and WP)1047.7
Current floor (min rating allowed)547.7
Current highest rating achieved1047.7
Current K-factor40
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)±206.0
Current Raw change used (final)0.0
Projected new Raw rating1047.7
Projected new Weighed rating1047.7
Projected new Weighted performance394.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1047.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1047.7
Projected new floor547.7
Projected new K-facor40
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
Curent Raw rating1009.1
Curent Weighted rating1009.1
Curent Weighted performance369.4
Current official/published rating (highest between Raw, WR and WP)1009.1
Current floor (min rating allowed)509.1
Current highest rating achieved1009.1
Current K-factor40
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)±217.6
Current Raw change used (final)0.0
Projected new Raw rating1009.1
Projected new Weighed rating1009.1
Projected new Weighted performance369.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1009.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1009.1
Projected new floor509.1
Projected new K-facor40
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
Curent Raw rating676.4
Curent Weighted rating676.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)676.4
Current floor (min rating allowed)500.0
Current highest rating achieved676.4
Current K-factor40
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)±349.6
Current Raw change used (final)0.0
Projected new Raw rating676.4
Projected new Weighed rating676.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)676.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating676.4
Projected new floor500.0
Projected new K-facor40
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
Curent Raw rating541.2
Curent Weighted rating541.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)541.2
Current floor (min rating allowed)500.0
Current highest rating achieved541.2
Current K-factor40
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)±423.9
Current Raw change used (final)0.0
Projected new Raw rating541.2
Projected new Weighed rating541.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)541.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating541.2
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
14 Laerskool Proteapark 2019 (C) 2019/05/18 2019/05/18 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 917.0 904.5 Analysis
13 2019 Super 12 Laerskole (Juniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 2.0 917.0 620.8 Analysis
12 Laerskool Vastrap Tournament 2019 (C) 2019/02/23 2019/02/23 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 985.1 962.4 Analysis
11 Rustenburg Noord Primary Tournament 2019 (U12) 2019/02/09 2019/02/09 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 985.1 962.4 Analysis
10 Fields College Open 2019 (U12) 2019/02/02 2019/02/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 985.1 962.4 Analysis
9 South African Junior Team Championships 2018 (U10A) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 2.5 985.9 960.4 Analysis
8 Bojanala Regionals 2018 (U10) 2018/09/15 2018/09/15 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 911.6 887.9 Analysis
7 Lebone II Chess 2018 (U10) 2018/09/01 2018/09/01 Cape Town (WCT) Standard 60 0.83 5 5 3.0 911.6 887.9 Analysis
6 Laerskool Brits Tournament 2018 (U10) 2018/08/04 2018/08/04 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 873.1 758.8 Analysis
5 Laerskool Proteapark Chess 2018 (C) 2018/05/19 2018/05/19 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 743.7 779.6 Analysis
4 2018 Super 12 (Junior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 3.0 743.7 541.2 Analysis
3 Laerskool Rustenburg 2018 (D) 2018/03/24 2018/03/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 681.6 710.4 Analysis
2 Laerskool Rustenburg Noord Primary 2018 (D) 2018/02/24 2018/02/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 541.2 541.2 Analysis
1 Laerskool Vastrap 2018 (U10) 2018/02/03 2018/02/03 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.5 541.2 541.2 Analysis
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 72 37 6 29 40.0 55.6 47.2 940.5 987.7
White 36 15 5 16 17.5 48.6 -11.8 947.8 936.0
Black 36 22 1 13 22.5 62.5 106.3 933.2 1039.4
Standard All 62 32 6 24 35.0 56.5 54.8 915.1 969.9
White 31 12 5 14 14.5 46.8 -27.4 923.8 896.4
Black 31 20 1 10 20.5 66.1 137.1 906.4 1043.5
Rapid All 10 5 0 5 5.0 50.0 0.0 1097.9 1097.9
White 5 3 0 2 3.0 60.0 85.0 1096.6 1181.6
Black 5 2 0 3 2.0 40.0 -85.0 1099.2 1014.2
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 109075163 Letupu, L (Lemogang) 4 1.0 1 0 3 25.0 813.8 -212.5 601.3 View list
2 109086554 Van Staden, J (Jakobus) 3 3.0 3 0 0 100.0 936.1 425.0 1361.1 View list
3 109075156 Wolmarans, CH (Cornelius) 3 0.5 0 1 2 16.7 698.6 -283.3 415.3 View list
4 109089653 Bredenkamp, G (Gunther) 2 2.0 2 0 0 100.0 796.6 425.0 1221.6 View list
5 109083234 Marx, HB (Heinrich) 2 2.0 2 0 0 100.0 541.2 425.0 966.2 View list
6 110093302 Morkel, DJ (Douglas) 2 2.0 2 0 0 100.0 895.0 425.0 1320.0 View list
7 1080109071 Redelinghuys, A (Alexander) 2 2.0 2 0 0 100.0 951.0 425.0 1376.0 View list
8 210077905 Venter, S (Sune) 2 2.0 2 0 0 100.0 707.2 425.0 1132.2 View list
9 109087730 Molobye, T (Tlotlang) 2 1.5 1 1 0 75.0 948.4 212.5 1160.8 View list
10 110069894 Wilson, CJ (Cj) 2 1.5 1 1 0 75.0 541.2 212.5 753.7 View list
11 209088228 Combrink, ZA (Zenadine) 2 1.0 1 0 1 50.0 892.4 0.0 892.4 View list
12 109089650 Kleynhans, EH (Eldrich) 2 1.0 1 0 1 50.0 911.6 0.0 911.6 View list
13 108076459 Molefinyane, O (Otlotleng) 2 1.0 1 0 1 50.0 833.4 0.0 833.4 View list
14 1040110367 Makwakwa, T (Tshedimogo) 1 1.0 1 0 0 100.0 985.1 425.0 1410.1 View list
15 109093330 Krugel, L (Lian) 1 1.0 1 0 0 100.0 985.9 425.0 1410.9 View list
16 109083772 De Beer, W (Wian) 1 1.0 1 0 0 100.0 681.6 425.0 1106.6 View list
17 1110097777 Britz, JD (Jakobus) 1 1.0 1 0 0 100.0 985.1 425.0 1410.1 View list
18 109076051 Jordaan, D (Donovan) 1 1.0 1 0 0 100.0 911.6 425.0 1336.6 View list
19 211093260 Jansen Van Vuuren, M (Mari) 1 1.0 1 0 0 100.0 917.0 425.0 1342.0 View list
20 210087760 Jansen Van Vuuren, L (Lourein) 1 1.0 1 0 0 100.0 917.0 425.0 1342.0 View list