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XXIII Strong Chess Sub-2000 B 2026

Open SwissStandard

9 players participated in this 9-round tournament, held from 25 Apr 2026 to 29 Apr 2026 in Santo Domingo Este, Dominican Republic. 1 titled players from 2 federations. Top 10 Elo average was 1878, and top seed was Adgart Miguel Castillo Vasquez (🇩🇴 DOM, 1941).

Esoj Leugim Ayats Marcelo (🇩🇴 DOM, CM, 1899) won with 6.0/9, ahead of Franyeline Antonio Rodriguez (6.0) and Hugo Eduardo Nunez Mejia (5.0). Ayats Marcelo won on tie-break after catching the field in the final round.

The biggest upset came in round 5: Jesus Ontiveros (1798) beat Aarony Miguel Paula Valerio (1910), a +112-point gap.

Location
🇩🇴Santo Domingo Este, Dominican Republic
Dates
25 Apr 2026 → 29 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇩🇴Adgart Miguel Castillo Vasquez1941
Avg top 10
1,878
Participants
9
Titled players · 1
CM×1
Federations · 2 represented
🇩🇴Dominican Republic×8
🇻🇪Venezuela×1
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R2; 2 players tied at 6.0/9, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders
3
1
3
3
2
1
1
1
2
2.54.579R1R2R3R4R5R6R7R8R9Florian Vasquez takes leadRodriguez takes lead
R6 · LEADER CHANGE23 Mar

Gabriel Emilio Florian Vasquez takes the sole lead (4.5/6).

R9 · TIEBREAK CLUSTER

2 players finish on 6.0/9. Ayats Marcelo takes the title on Buchholz Cut1 (30.0).

R9 · HEAD-TO-HEAD · WINNER VS 2ND

CM Esoj Leugim Ayats Marcelo beat Franyeline Antonio Rodriguez (White).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Ayats Marcelo, Esoj LeugimCM1899DOM+5N+3B−7N=6B+9NF+4B=8N+2B6.030.030.023.752071+30.4
2Rodriguez, Franyeline Antonio1919DOM=4B+8NF=5B+3N+7B+6N+9B−1N6.030.030.019.752070+27.8
3Nunez Mejia, Hugo Eduardo1886DOM−9B−1N+4B+8N−2B+5NF+7B+6N5.031.031.018.001977+19.4
4Florian Vasquez, Gabriel Emilio1836DOM=2N+5B−3N+7B+6N+9B−1NF=8B5.031.031.015.501984+31.6
5Pablo Jose, Gonzalez Perez1899DOM−1B−4N+8B=2NF−3B−7N+6B+9N3.532.532.510.501838-28.4
6Castillo Vasquez, Adgart Miguel1941DOM+7NF+9B=1N−4B+8N−2B−5N−3B3.532.532.510.001828-33.2
7Paula Valerio, Aarony Miguel1910DOM−6B+9N+1B−4N−8B−2N+5B−3NF3.033.033.010.501792-28.0
8Ontiveros, Jesus1798VENF−2B−5N−3B+7N−6B+9N=1B=4N3.033.033.09.501811+9.2
9Garcia Chan, Pablo1813DOM+3N−7B−6NF−1B−4N−8B−2N−5B1.035.035.05.001570-86.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
XXIII Strong Chess Sub-2000 B 2026 — Santo Domingo Este, Dominican Republic | Chess Tournament Results | ChessStats