CChessStats

National Self Serve Wholesale Clarendon Chess Open 2025 U1500

Open SwissStandard

14 players participated in this 6-round tournament, held from 15 Nov 2025 to 16 Nov 2025 in Kingston, Jamaica. Top 10 Elo average was 0, and top seed was Joelston Allen (🇯🇲 JAM, 1498).

Simon T Lamm (🇯🇲 JAM, 0) won with 6.0/6, ahead of Antasia Murdock (5.0) and Jayden Hylton (4.5). Lamm won solo starting round 5.

Location
🇯🇲Kingston, Jamaica
Dates
15 Nov 2025 → 16 Nov 2025
Time control
Standard: 40 minutes for the game with 30 seconds increment from move 1
System
Swiss · 6 rounds
Avg top 10
0
Participants
14
Federations · 1 represented
🇯🇲Jamaica×4
Top 3

How it unfolded

Top 6 · 6 rounds

Simon T Lamm led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
14
8
4
2
1
1
1.534.56R1R2R3R4R5R6
R5–R6 · LEAD HELD

Simon T Lamm never relinquished the lead after R5; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Simon T Lamm beat Antasia Murdock (Black).

WIN STREAKS · 3 top finishers

Simon T Lamm 6 wins (R1–R6)Antasia Murdock 4 wins (R1–R4)Jayden Hylton 4 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Simon T Lamm*
1
1
2Antasia Murdock
0
*
3Jayden Hylton
0
*
4FIDE 7414722*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Lamm, Simon T0JAM+3B+?B+?N+?B+2N+?N6.09.59.59.5015270.0
2Murdock, Antasia0JAM+?B+?N+?B+?N1B+?B5.06.06.00.0015160.0
3Hylton, Jayden0JAM1N+14B+4N+?B+?N=?B4.510.010.04.0014680.0
4FIDE 74066490+?B?N3B+9N+?B+11N4.09.59.55.006520.0
5FIDE 74147220?N+?N+?B+?B?N+?B4.00.00.00.007000.0
6FIDE 74085440=?N+?B?N+?B?N+7B3.53.03.03.007000.0
7FIDE 74105810+?B+10N?B+?N?B6N3.06.56.53.006520.0
8FIDE 7418213012B+13N+?B+11N?B?N3.05.55.53.506520.0
9FIDE 74109560?N+?B?N4B+?N+?B3.04.04.00.007000.0
10Wilson, Cordelia0JAMF7B?N+?B+?N+?B3.03.03.00.0014680.0
11FIDE 74169030F?B+?N8B+?N4B2.07.07.00.006480.0
12FIDE 74114210+8N+?B?N?B?N?B2.03.03.03.006740.0
13FIDE 74182050?N8B=?N?NF+?B1.53.03.00.006480.0
14FIDE 74181910?B3NFFFF0.04.54.50.006520.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers