Player Page

Alberts, JA (Jaco)
Dob: 1972/09/17 (Adult)
Gender: Male
Chess SA id: 172000404
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2019/08/10 (1744 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 rating1753.5
Curent Weighted rating1753.5
Curent Weighted performance604.8
Current official/published rating (highest between Raw, WR and WP)1753.5
Current floor (min rating allowed)1334.0
Current highest rating achieved1834.0
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)±75.4
Current Raw change used (final)0.0
Projected new Raw rating1753.5
Projected new Weighed rating1753.5
Projected new Weighted performance604.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1753.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1834.0
Projected new floor1334.0
Projected new K-facor24
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 rating1748.1
Curent Weighted rating1748.1
Curent Weighted performance606.5
Current official/published rating (highest between Raw, WR and WP)1748.1
Current floor (min rating allowed)1334.0
Current highest rating achieved1834.0
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)±75.9
Current Raw change used (final)0.0
Projected new Raw rating1748.1
Projected new Weighed rating1748.1
Projected new Weighted performance606.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1748.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1834.0
Projected new floor1334.0
Projected new K-facor24
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 rating1812.0
Curent Weighted rating1812.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1812.0
Current floor (min rating allowed)1334.0
Current highest rating achieved1834.0
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)±69.3
Current Raw change used (final)0.0
Projected new Raw rating1812.0
Projected new Weighed rating1812.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1812.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1834.0
Projected new floor1334.0
Projected new K-facor24
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 rating1812.0
Curent Weighted rating1812.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1812.0
Current floor (min rating allowed)1334.0
Current highest rating achieved1834.0
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)±69.3
Current Raw change used (final)0.0
Projected new Raw rating1812.0
Projected new Weighed rating1812.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1812.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1834.0
Projected new floor1334.0
Projected new K-facor24
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 2019 Alekhine Open (A) 2019/08/09 2019/08/10 Tshwane (GTP) Standard 120 1.00 5 5 2.5 1767.9 1761.1 Analysis
6 2019 Swartkop Open (A) 2019/06/15 2019/06/15 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1799.6 1799.3 Analysis
5 2019 Lubowski Open Tournament (A) 2019/05/11 2019/05/12 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1790.8 1788.5 Analysis
4 2018 Swartkop Open (A) 2018/06/23 2018/06/23 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1808.5 1807.5 Analysis
3 2018 Lubowski Open (A) 2018/05/12 2018/05/12 Tshwane (GTP) Standard 90 0.94 5 5 4.5 1781.2 1778.2 Analysis
2 2018 Chris Greyling Open (A) 2018/04/21 2018/04/21 Tshwane (GTP) Standard 60 0.83 5 4 1.5 1787.0 1785.4 Analysis
1 2018 Waterkloof Open (A) 2018/03/03 2018/03/04 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1812.0 1812.0 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 34 17 4 13 19.0 55.9 50.0 1656.8 1706.8
White 15 9 2 4 10.0 66.7 141.7 1699.7 1841.4
Black 19 8 2 9 9.0 47.4 -22.4 1622.9 1600.5
Standard All 34 17 4 13 19.0 55.9 50.0 1656.8 1706.8
White 15 9 2 4 10.0 66.7 141.7 1699.7 1841.4
Black 19 8 2 9 9.0 47.4 -22.4 1622.9 1600.5
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 104064895 Naidoo, T (Tashil) 2 1.5 1 1 0 75.0 1810.3 212.5 2022.8 View list
2 194026329 Mwale, J (Joseph) 2 1.0 1 0 1 50.0 1774.6 0.0 1774.6 View list
3 199079273 Modiselle, M (Mogomotsi) 2 1.0 1 0 1 50.0 1779.3 0.0 1779.3 View list
4 105058538 Smit, D (Devon) 2 0.0 0 0 2 0.0 1805.8 -425.0 1380.8 View list
5 188023581 Moche, J (Johannes) 1 1.0 1 0 0 100.0 1787.0 425.0 2212.0 View list
6 182023281 Mkhaliphi, JT (John) 1 1.0 1 0 0 100.0 1812.0 425.0 2237.0 View list
7 106076005 Nguyen, MT (Minh) 1 1.0 1 0 0 100.0 1799.6 425.0 2224.6 View list
8 174027391 Ngakane, D (Dan) 1 1.0 1 0 0 100.0 1808.5 425.0 2233.5 View list
9 197051434 Manqina, S (Sibusiso) 1 1.0 1 0 0 100.0 1781.2 425.0 2206.2 View list
10 156017226 Laureles, R (Raymundo) 1 1.0 1 0 0 100.0 1808.5 425.0 2233.5 View list
11 198017168 Lata, O (Otshepegile) 1 1.0 1 0 0 100.0 1781.2 425.0 2206.2 View list
12 104016203 Koning, J (Jaedin) 1 1.0 1 0 0 100.0 1767.9 425.0 2192.9 View list
13 197013325 Jacobs, CL (Cavan) 1 1.0 1 0 0 100.0 1781.2 425.0 2206.2 View list
14 106053297 Govender, S (Shevern) 1 1.0 1 0 0 100.0 1767.9 425.0 2192.9 View list
15 206006788 De Villiers, A (Anri) 1 1.0 1 0 0 100.0 1790.8 425.0 2215.8 View list
16 103005804 Cruywagen, A (Armand) 1 1.0 1 0 0 100.0 1812.0 425.0 2237.0 View list
17 103032106 Reyneke, PJ (Pieter) 1 1.0 1 0 0 100.0 1799.6 425.0 2224.6 View list
18 198034674 Sikwati, L (Lizo) 1 1.0 1 0 0 100.0 1790.8 425.0 2215.8 View list
19 207069536 Boshoma, C (Chisomo) 1 0.5 0 1 0 50.0 1767.9 0.0 1767.9 View list
20 103027600 Nhamuave, E (Eleazar) 1 0.5 0 1 0 50.0 1787.0 0.0 1787.0 View list