CChessStats

I Open Sub 1800 FIDE Internacional de Ajedrez Ciudad de Conil

Open SwissStandard

23 players participated in this 7-round tournament, held from 02 Apr 2026 to 05 Apr 2026 in Conil de la Frontera (Cadiz), Spain. 3 federations represented. Top 10 Elo average was 1705, and top seed was Claudio Escudero Nunez (🇪🇸 ESP, 1784).

Juan Carlos Ferrete Rueda (🇪🇸 ESP, 1738) won with 5.5/7, ahead of Diego Vargas Gradella (5.0) and Egor Kulish (4.5). Ferrete Rueda shared the lead from round 5 and won solo starting round 6.

The biggest upset came in round 7: Maximilian Muschalla (1425) beat Gonzalo Perez Odero (1719), a +294-point gap.

Location
🇪🇸Conil de la Frontera (Cadiz), Spain
Dates
02 Apr 2026 → 05 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇪🇸Claudio Escudero Nunez1784
Avg top 10
1,705
Participants
23
Federations · 3 represented
🇪🇸Spain×20
🇺🇦Ukraine×1
🇩🇪Germany×1
Top 3

How it unfolded

Top 6 · 7 rounds

Juan Carlos Ferrete Rueda led from R6; +0.5-point edge over the runner-up.

Co-leaders
7
3
2
1
3
1
1
23.55.57R1R2R3R4R5R6R7Ferrete Rueda takes lead
Ferrete Rueda5.5Vargas Gradella5Muschalla4.5Kulish4.5Escudero Nunez4Prieto Gonzalez4
R6 · LEADER CHANGE04 Apr

Juan Carlos Ferrete Rueda takes the sole lead (5.0/6).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Juan Carlos Ferrete Rueda beat Diego Vargas Gradella (Black).

WIN STREAKS · 3 top finishers

Juan Carlos Ferrete Rueda 5 wins (R2–R6)Diego Vargas Gradella 4 wins (R1–R4)Maximilian Muschalla 3 wins (R5–R7)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Juan Carlos Ferrete Rueda*
1
1
½
2Diego Vargas Gradella
0
*——
3Maximilian Muschalla
0
—*
0
4Egor Kulish
½
—
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Ferrete Rueda, Juan Carlos1738ESPF+22B+4N+10B+2N+6B=3N5.522.022.019.751994+28.4
2Vargas Gradella, Diego1679ESP+16N+5B+14N+9N−1B−7B+6N5.023.525.516.001839+61.2
3Kulish, Egor1764UKR+6N−10B=12N+4B=9B+8N=1B4.525.028.018.501713-13.6
4Muschalla, Maximilian1425GER+13B=7N−1B−3N+18N+14B+9N4.523.024.512.501795+128.8
5Martinez Morvan, Sergio1743ESP+11B−2N+23N+12B−6N+9B−7N4.023.023.010.001648-30.0
6Prieto Gonzalez, Julio1553ESP−3B+17N+21N+18B+5B−1N−2B4.022.524.09.001710+58.8
7Escudero Nunez, Claudio1784ESPF=4BF=8N+15B+2N+5B4.019.519.515.251830+6.4
8Pindado Del Carmen, Eliseo1571ESP+23B−9N=15N=7B+12N−3B+19N4.018.518.57.501641+10.8
9Perez Odero, Gonzalo1719ESP+18N+8B+10N−2B=3N−5N−4B3.525.527.011.251626-16.6
10Bella Perinan, Antonio Jesus1661ESP+17B+3N−9B−1NF+13B=11N3.522.022.011.251702+14.8
11Gomez Jaen, Antonio Maria1544ESP−5N−16B+17N+23BF+21N=10B3.513.013.05.251618+20.0
12Alonso Arrizabalaga, Javier1606ESP=19B+20N=3B−5N−8B+15N−14B3.018.520.06.501500-17.0
13Leal Rodriguez, Antonio1605ESP−4N=18B+16N=20BF−10N+22B3.013.513.54.001526-20.8
14Salguero Roldan, Francisco1700ESP=15B+19N−2BFF−4N+12N2.516.016.05.501537-20.6
15Martinez Medina, Gil Damian1534ESP=14NF=8BF−7N−12B+23N2.013.513.53.251473-12.8
16Ballen Ortega, Juan1530ESP−2B+11N−13BFFF+20N2.013.013.05.001484-7.2
17Leal Rodriguez, Alvaro1497ESP−10N−6B−11BFF+23N+21B2.012.512.51.501411-17.2
18Marin Moreno, Agustin1540ESP−9B=13N+19B−6N−4BFF1.516.516.53.001400-38.4
19Mena Lazaro, Francisco1442ESP=12N−14B−18NFF+20B−8B1.512.512.53.001282-25.6
20Ortega Santos, Helma0ESPF−12B+22N=13N−21B−19N−16B1.511.511.52.0013600.0
21Martinez Aradilla, Francisco Javier1658ESP=22NF−6BF+20N−11B−17N1.511.511.51.751196-90.0
22De Alba Alba, Sebastian1476ESP=21B−1N−20BFFF−13N0.511.511.50.751394-5.4
23FIDE 5530648440—−8NF−5B−11NF−17B−15B0.015.515.50.007780.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets