41º. Open Sestao Basque Country - Sub2000

Sestao, from 2026-09-08 to 2026-09-13
Official website
Chief Arbiter: Miguel Angel Almansa Martin
Rate of play: 90 minutes + 30 seconds per move
As specified in the tournament rules, the classification has been modified by applying Corrected Bucholz system, Baku 2023
Página web: https://chessbasquecountry.com/
Bases: https://chessbasquecountry.com/reglamento/
Método de inscripción: https://chessbasquecountry.com/inscripcion/

1. Días de Juego:
Del 8 al 13 de septiembre de 2026.

Player information

Players and standings for LUX

Pos. Ran. Tit. Name Fed. Pts. BH SB PS DE APRO FIDE FIDE ID Origin
9 35 Kostyukovich, Ivan EUS 6.0 47.0 28.50 29.5 0 1842 1782 4008421 Stroossen
17 42 Kostyukovich, Dmitry EUS 5.5 42.5 23.25 24.5 0 1773 1734 4008219 Stroossen
18 32 Ortiz Bogdanov, Santiago EUS 5.5 42.5 22.75 27.5 0 1796 1810 4005953 Le Cavalier

Player pairings for LUX

Pairings of round 9 for LUX (2026-09-13 - 09:30)
Brd. White Res. Black
3 Kostyukovich, Ivan 1782 EUS ½-½ Rondon Romero, Andres Jesus 1764 VEN
12 Ortiz Bogdanov, Santiago 1810 EUS 1-0 Klimovich, Hanna 1703 FID
13 Cano Cavero, Alberto Javier 1946 EUS 0-1 Kostyukovich, Dmitry 1734 EUS

Pairings of round 8 for LUX (2026-09-12 - 16:30)
Brd. White Res. Black
7 Echevarria Uriarte, Ibai 1911 EUS 0-1 Kostyukovich, Ivan 1782 EUS
8 Oriza De Castro, Inigo 1899 EUS 1-0 Ortiz Bogdanov, Santiago 1810 EUS
17 Kostyukovich, Dmitry 1734 EUS 1-0 Basto Auzmendi, Mario 1897 EUS

Pairings of round 7 for LUX (2026-09-12 - 10:00)
Brd. White Res. Black
11 Ortiz Bogdanov, Santiago 1810 EUS 1-0 Valdezate Suarez, Fernando 1939 EUS
12 Kostyukovich, Ivan 1782 EUS 1-0 Saiz Alonso de Armino, Daniel 1897 ESP
13 Sobron Angulo, Adrian 1830 EUS 1-0 Kostyukovich, Dmitry 1734 EUS

Pairings of round 6 for LUX (2026-09-11 - 16:30)
Brd. White Res. Black
9 Kostyukovich, Dmitry 1734 EUS ½-½ Garcia Mtez de la Hidalga, Alber 1948 EUS
17 Ortiz Bogdanov, Santiago 1810 EUS 1-0 Bompa, Flaviu 1661 ROU
18 Vazquez Reyes, David 1652 EUS 0-1 Kostyukovich, Ivan 1782 EUS

Pairings of round 5 for LUX (2026-09-10 - 16:30)
Brd. White Res. Black
9 Urbieta Gabancho, Koldo 1916 EUS 1-0 Ortiz Bogdanov, Santiago 1810 EUS
11 Seleznev, Egor 1911 VAL 1-0 Kostyukovich, Ivan 1782 EUS
25 Gonzalez Anuncibay, Juan Pablo 1774 EUS 0-1 Kostyukovich, Dmitry 1734 EUS

Pairings of round 4 for LUX (2026-09-10 - 10:00)
Brd. White Res. Black
5 Ortiz Bogdanov, Santiago 1810 EUS ½-½ Garcia Mtez de la Hidalga, Alber 1948 EUS
7 Kostyukovich, Ivan 1782 EUS ½-½ Urbieta Gabancho, Koldo 1916 EUS
11 Kostyukovich, Dmitry 1734 EUS ½-½ Caballero Acosta, Erlantz 1942 EUS

Pairings of round 3 for LUX (2026-09-09 - 16:30)
Brd. White Res. Black
2 Kostyukovich, Ivan 1782 EUS 0-1 Oriza De Castro, Inigo 1899 EUS
9 Echevarria Uriarte, Ibai 1911 EUS ½-½ Ortiz Bogdanov, Santiago 1810 EUS
16 Valdezate Suarez, Fernando 1939 EUS ½-½ Kostyukovich, Dmitry 1734 EUS

Pairings of round 2 for LUX (2026-09-09 - 10:00)
Brd. White Res. Black
6 de Leon Navarro, Claudio 1961 CAN 0-1 Kostyukovich, Ivan 1782 EUS
8 Ortiz Bogdanov, Santiago 1810 EUS ½-½ Dreke, Frank 1946 GER
17 Ibarrola Gobantes, Jokin 1529 EUS 0-1 Kostyukovich, Dmitry 1734 EUS

Pairings of round 1 for LUX (2026-09-08 - 16:30)
Brd. White Res. Black
7 Kostyukovich, Dmitry 1734 EUS 0-1 Martin Ibisate, Xabier 1970 EUS
32 Ocio Fernandez, David 1521 EUS 0-1 Ortiz Bogdanov, Santiago 1810 EUS
34 Kostyukovich, Ivan 1782 EUS 1-0 Medero, Hildo Rodrigo 1433 ARG