Player Page

Jacobs, CL (Cavan)
Dob: 1997/07/30 (Adult)
Gender: Male
Chess SA id: 197013325
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2024/06/17 (7 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 rating1838.6
Current Weighted rating1830.1
Current Weighted performance1575.0
Current official/published rating (highest between Raw, WR and WP)1838.6
Current highest rating achieved1858.2
Current floor (min rating allowed)1358.2
Current K-factor24
Games played this month7
Score (S)4.5
Expected score (We)4.29
Difference (S-We)0.20
Current Raw change (no limits, including tournament time weight)4.7
Current min/max change allowed (with limits)±66.8
Current Raw change used (final)4.7
Projected new Raw rating1843.3
Projected new Weighed rating1684.0
Projected new Weighted performance1666.3
Projected new final Raw rating (if new WP > new Raw)1843.3
Projected new highest rating1858.2
Projected new floor1358.2
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1843.3
Projected effective change (new Official - current Official)+4.7
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 rating1841.8
Current Weighted rating1833.3
Current Weighted performance1575.0
Current official/published rating (highest between Raw, WR and WP)1841.8
Current highest rating achieved1867.9
Current floor (min rating allowed)1367.9
Current K-factor24
Games played this month7
Score (S)4.5
Expected score (We)4.25
Difference (S-We)0.25
Current Raw change (no limits, including tournament time weight)6.0
Current min/max change allowed (with limits)±66.5
Current Raw change used (final)6.0
Projected new Raw rating1847.8
Projected new Weighed rating1686.9
Projected new Weighted performance1666.3
Projected new final Raw rating (if new WP > new Raw)1847.8
Projected new highest rating1867.9
Projected new floor1367.9
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1847.8
Projected effective change (new Official - current Official)+6.0
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 rating1799.3
Current Weighted rating1799.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1799.3
Current highest rating achieved1799.3
Current floor (min rating allowed)1299.3
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)±70.6
Current Raw change used (final)0.0
Projected new Raw rating1799.3
Projected new Weighed rating1655.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1799.3
Projected new floor1299.3
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1799.3
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 rating1799.3
Current Weighted rating1799.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1799.3
Current highest rating achieved1799.3
Current floor (min rating allowed)1299.3
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)±70.6
Current Raw change used (final)0.0
Projected new Raw rating1799.3
Projected new Weighed rating1655.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1799.3
Projected new floor1299.3
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1799.3
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: 2024 Elise Steenkamp Open Chess Tournament (Kings)
Start: 2024/06/15  End: 2024/06/17  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 7
Games: 7  Score: 4.5
Main rating: 1838.6  Rating gain/loss: 4.7
Type rating: 1841.8  Rating gain/loss: 6.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 2024 Elise Steenkamp Open Chess Tournament (Kings) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.5 1838.6 1841.8 Analysis
1 2024 Tshwane Chess OPEN Registration Tournament (Prestige) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1858.2 1867.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
41 2024 Elise Steenkamp Open Chess Tournament (Kings) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.5 1838.6 1841.8 Analysis
40 2024 Tshwane Chess OPEN Registration Tournament (Prestige) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1858.2 1867.9 Analysis
39 2023 Centurion Chess Open (A) 2023/09/23 2023/09/23 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1828.4 1831.5 Analysis
38 2023 Woman's Day Open Chess Tournament (Prestige) 2023/08/09 2023/08/09 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1820.4 1820.7 Analysis
37 2023 Menlo Open Tournament (A) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 4 1.5 1844.5 1850.5 Analysis
36 2023 Elize Steenkamp Open Tournament (A) 2023/06/16 2023/06/17 Tshwane (GTP) Standard 90 0.94 6 6 4.0 1827.1 1830.1 Analysis
35 JNW Open - Crawford 2023 (A) 2023/03/04 2023/03/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1826.5 1829.1 Analysis
34 Cape Town Masters Challenge 2023 (Masters) 2023/01/04 2023/01/08 Cape Town (WCT) Standard 120 1.00 9 9 5.0 1822.9 1825.5 Analysis
33 ACB Tournament 2022 (A) 2022/10/07 2022/10/08 Ekurhuleni (GE) Standard 90 0.94 5 5 3.5 1816.1 1817.8 Analysis
32 Eureka Open 2022 (A) 2022/07/30 2022/07/30 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1749.1 1744.9 Analysis
31 South African Open 2022 (Championship) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 6.0 1749.1 1744.9 Analysis
30 Chessheroes Youth Day 2022 (A1) 2022/06/16 2022/06/18 Johannesburg Metro (GJM) Standard 120 1.00 5 5 3.5 1716.5 1712.0 Analysis
29 Mzansi Open 2022 (Prestige) 2022/04/30 2022/05/02 Johannesburg Metro (GJM) Standard 120 1.00 6 6 4.0 1674.5 1668.6 Analysis
28 Chess Power House RR 1 2022 2022/01/22 2022/01/22 Ekurhuleni (GE) Standard 62 0.84 5 5 0.0 1750.2 1744.9 Analysis
27 Ekurhuleni Chess Open 2022 (A) 2022/01/07 2022/01/09 Ekurhuleni (GE) Standard 90 0.94 7 7 4.0 1750.2 1744.9 Analysis
26 2021 Alekhine Open (A) 2021/08/14 2021/08/15 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1749.1 1743.5 Analysis
25 2021 Chris Greyling Open Tournament (A) 2021/05/08 2021/05/08 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1774.2 1773.7 Analysis
24 Ekurhuleni Chess Chessa Open 2021 (Elite) 2021/03/27 2021/03/28 Ekurhuleni (GE) Standard 90 0.94 5 5 2.0 1787.5 1786.4 Analysis
23 Springs Chess Club Open 2020 (A) 2020/01/25 2020/01/25 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1828.0 1829.8 Analysis
22 2019 Inter Region Chess Championships 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 6 3.5 1828.0 1829.8 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 12 5 1 6 5.5 45.8 -35.4 1826.1 1790.7
White 6 3 0 3 3.0 50.0 0.0 1839.5 1839.5
Black 6 2 1 3 2.5 41.7 -70.8 1812.7 1741.8
Standard All 12 5 1 6 5.5 45.8 -35.4 1826.1 1790.7
White 6 3 0 3 3.0 50.0 0.0 1839.5 1839.5
Black 6 2 1 3 2.5 41.7 -70.8 1812.7 1741.8
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 239 121 22 96 132.0 55.2 44.5 1695.9 1740.4
White 119 63 14 42 70.0 58.8 75.0 1704.5 1779.5
Black 120 58 8 54 62.0 51.7 14.2 1687.4 1701.6
Standard All 239 121 22 96 132.0 55.2 44.5 1695.9 1740.4
White 119 63 14 42 70.0 58.8 75.0 1704.5 1779.5
Black 120 58 8 54 62.0 51.7 14.2 1687.4 1701.6
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 101023373 Mlahleki, V (Vusimuzi) 4 0.5 0 1 3 12.5 1753.5 -318.8 1434.7 View list
2 182025885 Mthunzi, B (Brighton) 4 0.5 0 1 3 12.5 1755.5 -318.8 1436.8 View list
3 163002189 Bhawoodien, SH (Shabier) 3 2.5 2 1 0 83.3 1797.4 283.3 2080.7 View list
4 103007373 Dinham, J (James) 3 2.5 2 1 0 83.3 1762.4 283.3 2045.7 View list
5 108064021 Coetsee, D (Dewald) 3 2.0 2 0 1 66.7 1785.5 141.7 1927.1 View list
6 108076196 Potgieter, E (Edward) 3 2.0 2 0 1 66.7 1726.3 141.7 1868.0 View list
7 198034674 Sikwati, L (Lizo) 3 1.0 1 0 2 33.3 1779.0 -141.7 1637.4 View list
8 105058538 Smit, D (Devon) 3 1.0 1 0 2 33.3 1765.7 -141.7 1624.1 View list
9 184019054 Mabusela, JM (Johannes) 3 0.0 0 0 3 0.0 1797.4 -425.0 1372.4 View list
10 101050584 Mazibuko, K (Khanya) 3 0.0 0 0 3 0.0 1841.1 -425.0 1416.1 View list
11 187025727 Mpya, TM (Tshediso) 3 0.0 0 0 3 0.0 1727.6 -425.0 1302.6 View list
12 185028656 Oatlhotse, P (Providence) 3 0.0 0 0 3 0.0 1771.9 -425.0 1346.9 View list
13 186008741 Els, WV (Wesley) 2 2.0 2 0 0 100.0 1771.4 425.0 2196.4 View list
14 104086479 Hlongwane, B (Blessing) 2 2.0 2 0 0 100.0 1719.5 425.0 2144.5 View list
15 190020515 Mantati, SV (Sebei) 2 2.0 2 0 0 100.0 1739.7 425.0 2164.7 View list
16 105023611 Modi, Y (Yashil) 2 2.0 2 0 0 100.0 1764.3 425.0 2189.3 View list
17 2120115959 Mungal, Z (Zoey) 2 2.0 2 0 0 100.0 1789.1 425.0 2214.1 View list
18 1080103221 Nwedo, K (Khodani) 2 2.0 2 0 0 100.0 1759.5 425.0 2184.5 View list
19 109069454 Sathish, A (Abinavah) 2 2.0 2 0 0 100.0 1788.1 425.0 2213.1 View list
20 103036342 Steyn, R (Roan) 2 2.0 2 0 0 100.0 1764.4 425.0 2189.4 View list