PLAYER PAGE

Zachariah Deysel

1170134515
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1614.1
K-factor 28
Floor 1114.1
Highest 1614.1 (2026-03-01)
Min/Max +/- allowed 92
Rating Change
()
Games 5
Score 0
We 3.29
SWe -3.09
Temp +/- -86.5
Penalties 0
Weight perform 1603.8
Final +/- -86.5
New Rating
()
Rating 1527.5
K-factor 28
Floor 1114.1
Highest 1614.1 (2026-03-01)
Min/Max +/- allowed 91.9
Standard rating
Rating 1614.1
K-factor 28
Floor 1114.1
Highest 1614.1 (2026-03-01)
Min/Max +/- allowed 91.9
Rating Change
()
Games 5
Score 0
We 3.24
SWe -3.24
Temp +/- -90.6
Penalties 0
Weight perform 1603.8
Final +/- -90.6
New Rating
()
Rating 1523.5
K-factor 28
Floor 1114.1
Highest 1614.1 (2026-03-01)
Min/Max +/- allowed 91.9
Rapid rating
Rating 1152.1
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1152.1
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Randburg NY Swiss 2026 Standard 2026-02-10 2026-03-31 Johannesburg Metro (GJM) 8 1614.1 5 0 1059.9 -86.5 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Chris Greyling Open Tournament (U12) Standard 2026-03-14 2026-03-14 Tshwane (GTP) 5 1532.4 5 4 1687.1 23.2 Details
2 2026 Silver Lakes Open Chess Tournament (U12) Standard 2026-03-07 2026-03-07 Tshwane (GTP) 5 1532.4 5 4 1674 21.2 Details
3 2026 Blou Bull Chess Tournament (U12) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1532.4 5 4 1633.1 14.9 Details
4 2026 AHS Chess Tournament (U12) Standard 2026-02-28 2026-02-28 Tshwane (GTP) 5 1532.4 5 3.5 1452.5 -11 Details
5 Ekurhuleni 1st Standard Tournament 2026 (D) Standard 2026-02-14 2026-02-14 Ekurhuleni (GE) 5 1506.8 5 4 1630.3 11.5 Details
6 MCA Welcome JHB 2026 (U10) Standard 2026-02-07 2026-02-07 Johannesburg Metro (GJM) 5 1506.8 5 4 1592.8 5.4 Details
7 MCA Tshwane Welcome 2026 (U10) Standard 2026-01-24 2026-01-24 Tshwane (GTP) 5 1506.8 5 3.5 1655.6 8.4 Details
8 2026 JMC Kick off Tournament (U12) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1506.8 5 2.5 1300 -20.7 Details
9 JMC Closed 2025 (U10) Standard 2025-08-09 2025-08-09 Johannesburg Metro (GJM) 5 1505.8 5 3.5 1517.5 0.7 Details
10 South African Open 2025 (U10 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1486.5 5 3.5 1595.7 12 Details
11 Moja Chess Extravaganza 2025 (U10) Classical 2025-04-26 2025-04-28 Johannesburg Metro (GJM) 5 1522.8 5 2.5 1334.8 -22.8 Details
12 South African Junior Closed Chess Championships 2025 (U8 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1445.2 9 6.5 1678.6 48.4 Details
13 JMC Crawford Ruimsig 2025 (U10) Standard 2025-03-01 2025-03-01 Johannesburg Metro (GJM) 5 1456.8 5 3 1373.7 -7.3 Details
14 JMC Kick Off 2025 (U10) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1493.2 5 2.5 1265.2 -22.7 Details
15 Gauteng Inter-Region at UJ 2024 (U8 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1453.8 5 5 1680.3 24.6 Details
16 2024 Tshwane Chess Club Clash (Open) Standard 2024-10-12 2024-10-12 Tshwane (GTP) 5 1484.3 5 2 1295.6 -19.1 Details
17 2024 Moja Chess Extravaganza (D) Standard 2024-09-25 2024-09-26 Frances Baard (NCF) 5 1415.2 5 4 1600.5 17.8 Details
18 Centurion Chess Open Tournament 2024 (U12) Standard 2024-09-21 2024-09-21 Tshwane (GTP) 5 1415.2 5 2 1184.8 -21.7 Details
19 Kings Gambit Chess Open 14 Sept 2024 (E) Standard 2024-09-14 2024-09-14 Sedibeng (GSV) 5 1415.2 5 5 1722.7 30.9 Details
20 JCC Khelo India 1st Annual Chess Tournament 2024 (E) Standard 2024-08-31 2024-08-31 Johannesburg Metro (GJM) 5 1415.2 5 4 1492.5 6.8 Details
21 Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs) Classical 2024-08-17 2024-08-17 Bojanala Platina (NBR) 5 1367.9 5 4 1483.9 14.6 Details
22 JMC Closed 2024 (U8) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1367.9 5 4 1527.9 14.9 Details
23 JNW Rapid - Helpmekaar Kollege 2024 Rapid 2024-07-28 2024-07-28 Johannesburg Metro (GJM) 7 1406.4 7 3 1334.1 -8.2 Details
24 JMC Trinityhouse Randpark Ridge 2024 (U10) Standard 2024-07-13 2024-07-13 Johannesburg Metro (GJM) 5 1406.4 5 3 1359.6 -5 Details
25 JMC NG Weltevreden Church 2024 Rapid 2024-06-29 2024-06-29 Johannesburg Metro (GJM) 7 1406.4 7 2 1259.5 -10.8 Details
26 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1512.6 8 3.5 987.7 -79.2 Details
27 Chess Power House May Open 2024 (E) Standard 2024-05-25 2024-05-25 Johannesburg Metro (GJM) 5 1521.9 5 4.5 1671.3 15.6 Details
28 JMC Crawford International Sandton 2024 (U10) Standard 2024-05-11 2024-05-11 Johannesburg Metro (GJM) 5 1521.9 5 3 1379.7 -12.8 Details
29 JMC Helpmekaar Kollege Tournament 2024 (U10) Standard 2024-05-04 2024-05-04 Johannesburg Metro (GJM) 5 1521.9 5 3.5 1386.6 -8.6 Details
30 1st Knights Open Tournament 2024 (U8) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1097.8 5 4.5 1544.5 44.2 Details
31 Bojanala Silwerrand's Rating Implosion 2024 (Big Pawns) Standard 2024-03-16 2024-03-16 Bojanala Platina (NBR) 5 1097.8 5 5 1568.5 46.6 Details
32 JNW Open - Classic - Crawford 2024 (U8) Standard 2024-03-09 2024-03-09 Johannesburg Metro (GJM) 5 1097.8 5 4 1543.6 42.7 Details
33 JMC Unika School Tournament 2024 Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1097.8 5 4 1531 41.3 Details
34 2024 Gauteng Inter-Region Chess Championship (U8) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1060.7 5 1 1018.4 -5.6 Details
35 JMC Kick Off Tournament 2024 (U8) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1060.7 5 3 1293.8 21.9 Details
36 ThinkChess Academy 2023 (B) Standard 2023-09-09 2023-09-09 Johannesburg Metro (GJM) 5 1040.8 5 2 1138.5 10.1 Details
37 JMC Closed Aug 2023 (U8) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1063.7 5 1 956.1 -11.3 Details
38 Bojanala's FIDE in the Sparkling Waters 2023 (Junior) Classical 2023-07-29 2023-07-29 Bojanala Platina (NBR) 6 967.8 5 1 979.8 2 Details
39 JMC Trinity Little Falls 2023 (U8) Standard 2023-07-02 2023-07-02 Johannesburg Metro (GJM) 5 967.8 5 2 1172.9 19.1 Details
40 GoForChess Junior Chess Championship Grayston 2023 (Juniors) Standard 2023-07-16 2023-07-16 Johannesburg Metro (GJM) 5 967.8 5 2 1138.7 17.1 Details
41 GoForChess Junior Chess Championship 2023 (Junior) Standard 2023-06-10 2023-06-10 Johannesburg Metro (GJM) 5 934.9 5 2.5 1111.5 16.4 Details
42 JNW Open - Crawford 2023 (U8) Standard 2023-03-04 2023-03-04 Johannesburg Metro (GJM) 5 939.5 4 1 913.3 -2.2 Details
43 2023 Piet Robbertse Fide Rated Open Chess Tournament (F) Standard 2023-02-04 2023-02-04 Tshwane (GTP) 5 947.4 5 1.5 919.7 -3.9 Details
44 Laerkool Midvaal Chess Open 2023 (E) Standard 2023-01-28 2023-01-28 Sedibeng (GSV) 5 969.6 5 1 849.1 -11.4 Details
45 JMC Womens Day 2022 (U8) Standard 2022-08-06 2022-08-06 Johannesburg Metro (GJM) 5 902.9 5 1 859.2 -3.8 Details
46 JMC 2nd Trials 2022 (U8) Standard 2022-08-27 2022-08-27 Johannesburg Metro (GJM) 5 902.9 5 1.5 959.4 5.1 Details
47 Chessheroes Junior Challenge 2022 (U7) Standard 2022-08-13 2022-08-13 Johannesburg Metro (GJM) 5 902.9 5 2 1100.5 18.5 Details
48 JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) Standard 2022-07-24 2022-07-24 Johannesburg Metro (GJM) 5 895.3 5 2 1034.1 13.9 Details
49 Alberton Chess Club Open 2022 (D) Standard 2022-07-16 2022-07-16 Ekurhuleni (GE) 5 895.3 5 0.5 799.7 -10.3 Details
50 2022 Gauteng Interregion (U8 Open+Girls) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 986.6 4 0 746.1 -18.9 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 45
Wins 28
Draws 3
Losses 14
White 25
Black 20
White wins 17
Black wins 11
Score 29.5
Percent 65.6
Dp 132.2
AOR 1388.4
Performance 1520.6
Game statistics (History)
Games 298
Wins 138
Draws 30
Losses 130
White 153
Black 145
White wins 74
Black wins 64
Score 153
Percent 51.3
Dp 11.4
AOR 1255.9
Performance 1267.3
Rankings (Main)
National
Overall 925
Gender 849
Age group 19
Gender/Age 16
Provincial
Overall 331
Gender 300
Age group 9
Gender/Age 6
Regional
Overall 129
Gender 115
Age group 6
Gender/Age 5
Rankings (Standard)
National
Overall 855
Gender 787
Age group 18
Gender/Age 15
Provincial
Overall 308
Gender 280
Age group 8
Gender/Age 5
Regional
Overall 114
Gender 102
Age group 5
Gender/Age 4
Rankings (Rapid)
National
Overall 5661
Gender 4233
Age group 327
Gender/Age 237
Provincial
Overall 1059
Gender 799
Age group 50
Gender/Age 34
Regional
Overall 385
Gender 317
Age group 31
Gender/Age 20
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 45
Score 29.5
Percent 65.6
Aor 1388.4
Dp 132.2
Prat 1520.6
Performance (12 months)
Games 60
Score 39
Percent 65
Aor 1383.6
Dp 127.5
Prat 1511.1
Performance (History)
Games 298
Score 153
Percent 51.3
Aor 1255.9
Dp 11.4
Prat 1267.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Deysel, E (Eli) 13 5 8 2021 Alekhine Open (F) GoForChess Junior Chess Championship 2023 (Junior) Details
Overall 2 Malemane, A (Atlehang Faith) 6 4 2 JMC Closed Aug 2023 (U8) JMC Closed 2024 (U8) Details
Overall 3 Koorts, L (Lukas) 6 3 3 JMC Kick Off Tournament 2024 (U8) South African Junior Closed Chess Championships 2025 (U8 Open) Details
Overall 4 Sahoo, S (Shaurya) 5 1 4 ThinkChess Academy 2023 (B) South African Open 2025 (U10 Open) Details
Overall 5 Gerber, Z (Zoe) 5 2 3 JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) JMC Trinityhouse Randpark Ridge 2024 (U10) Details
Standard 1 Deysel, E (Eli) 12 4 8 2021 Alekhine Open (F) GoForChess Junior Chess Championship 2023 (Junior) Details
Standard 2 Malemane, A (Atlehang Faith) 6 4 2 JMC Closed Aug 2023 (U8) JMC Closed 2024 (U8) Details
Standard 3 Koorts, L (Lukas) 6 3 3 JMC Kick Off Tournament 2024 (U8) South African Junior Closed Chess Championships 2025 (U8 Open) Details
Standard 4 Steyn, K (Kahn) 5 3 2 JMC Trinity Little Falls 2023 (U8) Moja Chess Extravaganza 2025 (U10) Details
Standard 5 Sahoo, S (Shaurya) 5 1 4 ThinkChess Academy 2023 (B) South African Open 2025 (U10 Open) Details