CChessStats

COPA 4 DE ABRIL 2026

Open SwissStandard

16 players participated in this 9-round tournament, held from 13 Apr 2026 to 19 Apr 2026 in Pinar del Rio, Cuba. Top 10 Elo average was 1729, and top seed was Dachelis Maria Caballero Fernandez (🇨🇺 CUB, 1832).

Jenifer Lazara Valdes Rosell (🇨🇺 CUB, 1829) won with 7.5/9, ahead of Fabio Olivera Ruiz (6.5) and Dachelis Maria Caballero Fernandez (6.5). Valdes Rosell shared the lead from round 7 and won solo starting round 8.

The biggest upset came in round 5: Leonardo David Santana Aguiar (1615) beat Lehiran Arencibia Miranda (1785), a +170-point gap.

Location
🇨🇺Pinar del Rio, Cuba
Dates
13 Apr 2026 → 19 Apr 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Top seed
🇨🇺Dachelis Maria Caballero Fernandez1832
Avg top 10
1,729
Participants
16
Federations · 1 represented
🇨🇺Cuba×16
Top 3

How it unfolded

Top 6 · 9 rounds

Jenifer Lazara Valdes Rosell led from R8; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R8.

Co-leaders
7
2
3
2
1
1
2
1
1
2.54.579R1R2R3R4R5R6R7R8R9Valdes Rosell takes lead
Valdes Rosell7.5Olivera Ruiz6.5Caballero Fernandez6.5Rodriguez Leon6.5Concepcion Hernandez6Rodriguez Garcia5
R8 · LEADER CHANGE18 Apr

Jenifer Lazara Valdes Rosell takes the sole lead (6.5/8).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Jenifer Lazara Valdes Rosell lost to Fabio Olivera Ruiz (Black).

WIN STREAKS · 2 top finishers

Jenifer Lazara Valdes Rosell 4 wins (R6–R9)Dachelis Maria Caballero Fernandez 3 wins (R5–R7)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jenifer Lazara Valdes Rosell*
0
1
½
2Fabio Olivera Ruiz
1
*
½
½
3Dachelis Maria Caballero Fernandez
0
½
*
1
4Adam Rodriguez Leon
½
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Valdes Rosell, Jenifer Lazara1829CUB+11N+6B=4N+3B−2N+5B+9N+7B+8N7.542.546.536.751970+58.0
2Olivera Ruiz, Fabio1766CUB+12B=3B=6N=5N+1B=4B+10N+9B=7N6.543.547.033.001865+52.0
3Caballero Fernandez, Dachelis Maria1832CUB+8B=2N+10B−1N+7B+6N+4N−5B+12N6.543.547.030.251852+15.6
4Rodriguez Leon, Adam1801CUB+7B+5N=1B+8N+9B=2N−3B=6N+15B6.543.546.530.501851+21.6
5Concepcion Hernandez, Fabiana1662CUB+16N−4B+13N=2B+14N−1N+12B+3N=6B6.042.043.023.251746+33.6
6Rodriguez Garcia, Adriel1683CUB+14B−1N=2B=10N+8B−3B+11N=4B=5N5.045.048.022.501739+24.0
7Garcia Jerez, Jose Armando1597CUB−4N+16B=11N+13B−3N−9N+15B−1N=2B4.041.542.512.751569-13.6
8Serrano Lopez, Luisa Maria1620CUB−3N+12B+15N−4B−6N=11B+16N=10B−1B4.040.041.011.501550-27.6
9Barreras Morejon, Daniela Days1695CUB−15N=13B+12N+11B−4N+7B−1B−2N=14B4.038.541.514.751653-14.0
10Arencibia Miranda, Lehiran1785CUB=13N+15B−3N=6B−11N+14B−2B=8N=16N4.035.536.512.751485-93.2
11Santana Aguiar, Leonardo David1615CUB−1B+14N=7B−9N+10B=8N−6B=16B=13N4.035.036.013.251578-16.4
12Castillo Perera, Diana1411CUB−2N−8N−9B+16B+13N+15B−5N=14N−3B3.536.537.59.001412-3.2
13Hernandez Moreno, Dominic Jesus1554CUB=10B=9N−5B−7N−12B+16N+14B−15N=11B3.531.532.510.001435-36.8
14Rodriguez Garcia, Adrialys0CUB−6N−11B+16N+15B−5B−10N−13N=12B=9N3.033.034.07.7513200.0
15Maranon Hernandez, Ricardo David0CUB+9B−10N−8B−14N+16B−12N−7N+13B−4N3.032.533.58.5014800.0
16Tejas Fuentes, Thiago0CUB−5B−7N−14B−12N−15N−13B−8B=11N=10B1.032.035.04.0012970.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets