Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Zachariah Deysel

1170134515
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1530.9
K-factor 28
Floor 1114.1
Highest 1614.1 (2026-03-01)
Min/Max +/- allowed 92
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1415.4
Final +/- 0
New Rating
()
Rating 1530.9
K-factor 28
Floor 1114.1
Highest 1614.1 (2026-03-01)
Min/Max +/- allowed 91.9
Standard rating
Rating 1544.6
K-factor 28
Floor 1114.1
Highest 1614.1 (2026-03-01)
Min/Max +/- allowed 91.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1528.4
Final +/- 0
New Rating
()
Rating 1544.6
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 1193
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 1193
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 JMC Closed 2026 (U10) Standard 2026-08-01 2026-08-01 Johannesburg Metro (GJM) 5 1530.9 5 3 1549.1 1.9 Details
2 South African Open Championship 2026 (U9 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1526.9 7 4.5 1608.7 17.8 Details
3 Randburg Chess Club WInter Blitz 2026 Blitz 2026-07-07 2026-07-07 Johannesburg Metro (GJM) 8 1526.9 7 1.5 1228.8 -15.7 Details
4 Ekurhuleni Open 2026 (E) Standard 2026-05-23 2026-05-23 Ekurhuleni (GE) 5 1492.4 5 4 1705.3 30.1 Details
5 2026 Centurion Mall Open Chess Tournament (B) Standard 2026-05-16 2026-05-17 Tshwane (GTP) 5 1527.5 4 0.5 1243.7 -35.1 Details
6 Randburg NY Swiss 2026 Standard 2026-02-10 2026-03-31 Johannesburg Metro (GJM) 8 1614.1 5 0 1059.9 -86.5 Details
7 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
8 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
9 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
10 2026 AHS Chess Tournament (U12) Standard 2026-02-28 2026-02-28 Tshwane (GTP) 5 1532.4 5 3.5 1452.5 -11 Details
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 JMC Closed 2024 (U8) Standard 2024-08-09 2024-08-09 Johannesburg Metro (GJM) 5 1367.9 5 4 1527.9 14.9 Details
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 JMC Unika School Tournament 2024 Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1097.8 5 4 1531 41.3 Details
40 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
41 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
42 ThinkChess Academy 2023 (B) Standard 2023-09-09 2023-09-09 Johannesburg Metro (GJM) 5 1040.8 5 2 1138.5 10.1 Details
43 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
44 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
45 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
46 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
47 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
48 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
49 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
50 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
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 73
Wins 39
Draws 8
Losses 26
White 40
Black 33
White wins 23
Black wins 16
Score 43
Percent 58.9
Dp 75.7
AOR 1424.8
Performance 1500.5
Game statistics (History)
Games 326
Wins 149
Draws 35
Losses 142
White 168
Black 158
White wins 80
Black wins 69
Score 166.5
Percent 51.1
Dp 9.1
AOR 1275.4
Performance 1284.5
Rankings (Main)
National
Overall 1650
Gender 1480
Age group 51
Gender/Age 44
Provincial
Overall 592
Gender 521
Age group 22
Gender/Age 18
Regional
Overall 216
Gender 186
Age group 9
Gender/Age 7
Rankings (Standard)
National
Overall 1365
Gender 1219
Age group 44
Gender/Age 38
Provincial
Overall 520
Gender 461
Age group 20
Gender/Age 17
Regional
Overall 185
Gender 161
Age group 8
Gender/Age 7
Rankings (Rapid)
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
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 73
Score 43
Percent 58.9
Aor 1424.8
Dp 75.7
Prat 1500.5
Performance (12 months)
Games 73
Score 43
Percent 58.9
Aor 1424.8
Dp 75.7
Prat 1500.5
Performance (History)
Games 326
Score 166.5
Percent 51.1
Aor 1275.4
Dp 9.1
Prat 1284.5
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 Steyn, K (Kahn) 5 3 2 JMC Trinity Little Falls 2023 (U8) Moja Chess Extravaganza 2025 (U10) 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 Gerber, Z (Zoe) 5 2 3 JMC Trials 1 - Laerskool Fontainebleau 2022 (U8) JMC Trinityhouse Randpark Ridge 2024 (U10) Details