Goni Sierro, Jon

Last game 2026

Prep vs WhitePrep vs Black
Games
10
Wins
4
Draws
3
Losses
3
Peak Elo
2142
55.0% score

As White

No repeated openings.

As Black

D10Slav Defense: Exchange Variation250.0%

Recent games

Etayo Delgado, Asier19820-1Goni Sierro, Jon21422026
Pascual Garcia, Martin2055½-½Goni Sierro, Jon21422026
Goni Sierro, Jon21420-1Korneev, O24222026
Arana Oloron, Roberto18550-1Goni Sierro, Jon21422026
Goni Sierro, Jon21420-1Rey Martinez, Jaime23802026
Vergara Anton, Diego2432½-½Goni Sierro, Jon21422026
Goni Sierro, Jon21421-0Ruiz Buendia, Miguel23022026
Planas Gene, J19580-1Goni Sierro, Jon21422026
Goni Sierro, Jon2142½-½Albornoz Cabrera, Carlos Daniel25792026
Goni Sierro, Jon18660-1Admiraal, M24712024