Player Page

Jacobson, G (Gabriel)
Dob: 2006/05/02 (U20)
Gender: Male
Chess SA id: 106085427
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (65 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 rating1694.8
Current Weighted rating1573.4
Current Weighted performance1638.8
Current official/published rating (highest between Raw, WR and WP)1694.8
Current highest rating achieved1694.8
Current floor (min rating allowed)1194.8
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)±81.9
Current Raw change used (final)0.0
Projected new Raw rating1694.8
Projected new Weighed rating1452.8
Projected new Weighted performance1638.8
Projected new final Raw rating (if new WP > new Raw)1694.8
Projected new highest rating1694.8
Projected new floor1194.8
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1694.8
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 rating1669.5
Current Weighted rating1549.4
Current Weighted performance1640.7
Current official/published rating (highest between Raw, WR and WP)1669.5
Current highest rating achieved1669.5
Current floor (min rating allowed)1169.5
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)±84.9
Current Raw change used (final)0.0
Projected new Raw rating1669.5
Projected new Weighed rating1430.2
Projected new Weighted performance1640.7
Projected new final Raw rating (if new WP > new Raw)1669.5
Projected new highest rating1669.5
Projected new floor1169.5
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1669.5
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 rating1342.9
Current Weighted rating1273.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1342.9
Current highest rating achieved1342.9
Current floor (min rating allowed)842.9
Current K-factor36
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)±135.3
Current Raw change used (final)0.0
Projected new Raw rating1342.9
Projected new Weighed rating1174.4
Projected new Weighted performance1287.2
Projected new final Raw rating (if new WP > new Raw)1342.9
Projected new highest rating1342.9
Projected new floor842.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1342.9
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
5 Hermanus Chess Club Open 2024 (Championship) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 6 2.0 1689.8 1297.9 Analysis
4 Western Cape Inter Region Cup 2024 (U20 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 4.0 1617.5 1600.6 Analysis
3 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.5 1617.5 1600.6 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1617.5 1600.6 Analysis
1 CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.5 1592.9 1561.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
25 Hermanus Chess Club Open 2024 (Championship) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 6 2.0 1689.8 1297.9 Analysis
24 Western Cape Inter Region Cup 2024 (U20 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 4.0 1617.5 1600.6 Analysis
23 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.5 1617.5 1600.6 Analysis
22 Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1617.5 1600.6 Analysis
21 CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 4.5 1592.9 1561.2 Analysis
20 Kraaifontein Open 2023 (Adanced) 2023/12/09 2023/12/10 Cape Town (WCT) Standard 70 0.87 6 6 4.0 1572.4 1526.3 Analysis
19 Paarl Boys High Chess Festival 2023 (Elite Division) 2023/10/13 2023/10/14 Cape Winelands (WCW) Standard 60 0.83 6 6 2.5 1598.9 1561.5 Analysis
18 WP Club League 2023 (D PlayOffs) 2023/09/02 2023/09/09 Cape Town (WCT) Standard 70 0.87 5 2 2.0 1584.1 1534.6 Analysis
17 WP Club League 2023 (A) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 2 0.5 1584.1 1534.6 Analysis
16 WP Club League 2023 (D1) 2023/07/29 2023/08/19 Cape Town (WCT) Standard 70 0.87 6 3 1.5 1610.9 1566.6 Analysis
15 Curro Durbanville Chess Open Rapid 2023 (Advanced) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 5.0 1571.0 1177.7 Analysis
14 WP Closed 2023 (U18+U20) 2023/06/16 2023/06/17 Cape Town (WCT) Standard 70 0.87 6 6 5.5 1476.5 1472.8 Analysis
13 Western Cape HS Individuals 2023 (U17 Boys) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 4.5 1423.5 1421.4 Analysis
12 Cape Town Open 2023 (Advanced) 2023/03/24 2023/03/26 Cape Town (WCT) Standard 90 0.94 6 6 3.0 1377.2 1382.5 Analysis
11 Cape Town Metro Schools Chess Closed Individuals 2023 (U17 Boys) 2023/03/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 5 3.5 1377.2 1382.5 Analysis
10 Central District School Trials 2023 (U17 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 4.0 1339.0 1337.9 Analysis
9 Cape of Good Hope Open 2023 (Intermediate) 2023/01/28 2023/01/29 Cape Town (WCT) Standard 70 0.87 6 4 2.0 1353.7 1358.8 Analysis
8 2022 Western Province Club League (D) 2022/08/27 2022/10/01 Cape Town (WCT) Standard 70 0.87 7 1 1.0 1342.4 1344.4 Analysis
7 2022 Western Province Club League (Premier) 2022/08/20 2022/10/01 Cape Town (WCT) Standard 120 1.00 11 6 1.0 1342.4 1344.4 Analysis
6 2022 Cape Of Good Hope Open (Intrmediate) 2022/01/29 2022/01/30 Cape Town (WCT) Standard 70 0.87 6 6 5.0 1260.3 1246.8 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 28 19 2 7 20.0 71.4 182.1 1527.3 1709.4
White 15 12 2 1 13.0 86.7 311.7 1519.6 1831.3
Black 13 7 0 6 7.0 53.8 32.7 1536.1 1568.8
Standard All 22 17 2 3 18.0 81.8 270.5 1428.8 1699.3
White 12 10 2 0 11.0 91.7 354.2 1447.6 1801.8
Black 10 7 0 3 7.0 70.0 170.0 1406.2 1576.2
Rapid All 6 2 0 4 2.0 33.3 -141.7 1888.4 1746.8
White 3 2 0 1 2.0 66.7 141.7 1807.7 1949.3
Black 3 0 0 3 0.0 0.0 -425.0 1969.2 1544.2
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 116 68 12 36 74.0 63.8 117.2 1446.7 1564.0
White 60 35 8 17 39.0 65.0 127.5 1448.0 1575.5
Black 56 33 4 19 35.0 62.5 106.3 1445.4 1551.7
Standard All 93 56 12 25 62.0 66.7 141.7 1420.6 1562.3
White 49 27 8 14 31.0 63.3 112.8 1433.8 1546.5
Black 44 29 4 11 31.0 70.5 173.9 1406.0 1579.9
Rapid All 23 12 0 11 12.0 52.2 18.5 1552.3 1570.8
White 11 8 0 3 8.0 72.7 193.2 1511.3 1704.5
Black 12 4 0 8 4.0 33.3 -141.7 1589.9 1448.2
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 1070138106 Thakersee, A (Akshay) 3 3.0 3 0 0 100.0 1501.0 425.0 1926.0 View list
2 107061440 Van Staaden, D (Darren) 3 3.0 3 0 0 100.0 1445.3 425.0 1870.3 View list
3 108091526 Lau, C (Callum) 2 2.0 2 0 0 100.0 1438.9 425.0 1863.9 View list
4 107088309 Michaels, A (Antonio) 2 2.0 2 0 0 100.0 1520.5 425.0 1945.5 View list
5 106092092 Budge, D (Daniel) 2 1.0 1 0 1 50.0 1443.5 0.0 1443.5 View list
6 1120130970 Bell, L (Luke) 2 1.0 1 0 1 50.0 1533.5 0.0 1533.5 View list
7 107061376 Goliath, K (Kian) 2 1.0 1 0 1 50.0 1290.4 0.0 1290.4 View list
8 1140134078 Manning, C (Callan) 2 1.0 1 0 1 50.0 1463.1 0.0 1463.1 View list
9 1070097558 Maruma, K (Katlego) 2 1.0 1 0 1 50.0 1408.8 0.0 1408.8 View list
10 106053361 Moollajee, R (Rehaan) 2 1.0 1 0 1 50.0 1407.8 0.0 1407.8 View list
11 205053638 Palmer, ZE (Zante) 2 1.0 1 0 1 50.0 1264.8 0.0 1264.8 View list
12 106089505 Mchontsi, A (Ayabonga) 2 1.0 0 2 0 50.0 1450.0 0.0 1450.0 View list
13 1070119933 Waguta, B (Brooklyn) 2 0.0 0 0 2 0.0 1309.5 -425.0 884.5 View list
14 1060096574 Bell, A (Ayakha) 1 1.0 1 0 0 100.0 1571.0 425.0 1996.0 View list
15 1110097519 Beech, K (Kael) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 106002408 Blomerus, K (Kian) 1 1.0 1 0 0 100.0 1423.5 425.0 1848.5 View list
17 1060136421 Bless, L (Lulutho) 1 1.0 1 0 0 100.0 1592.9 425.0 2017.9 View list
18 1060108786 Blauw, S (Siyamthanda) 1 1.0 1 0 0 100.0 1377.2 425.0 1802.2 View list
19 1080142299 Armien, E (Eesa) 1 1.0 1 0 0 100.0 1617.5 425.0 2042.5 View list
20 108053347 Allie, I (Ishmaeel) 1 1.0 1 0 0 100.0 1571.0 425.0 1996.0 View list