Escandinava- Variante Moderna
1 • Tkachiev561 •- oscarformosa (2070) - Billy-DoubleDragon (2215)
- Tkachiev561
Gambito Cambridge
1 • Tkachiev561 •- HAZRI67 (1928) - Tkachiev561 (2197)
- RRiRRautentico (2023) - ProfeDiegoC (2111)
- Tkachiev561
Chigorin
1 • Tkachiev561 •- Camponegro (2300) - akirafudo44 (1894)
- Murad_73 (2140) - lamagia007 (2152)
- Tkachiev561
Judewitz 2022 cerimele castro
1 • Tkachiev561 •- Meteoro512 (2722) - FM ViniciusRego (2504)
- milevalengena (2011) - Guille783 (2044)
- Albino- Castro Judewitz 2022
- Castro-Fernandez (Flaco)
- Tkachiev561
Aperturas raras
1 • Tkachiev561 •- LPChhangte (2028) - Tkachiev561 (2206)
- Cell_Booo (2233) - lamagia007 (2266)
- Tkachiev561
Locuras bazmaníacas
1 • Tkachiev561 •- LPChhangte (2028) - Tkachiev561 (2206)
- Tkachiev561 (2149) - raulitochess (2095)
- Tkachiev561
Game study
1 • Tkachiev561 •- Crypton98 - AshWilliamsGroovy
- wachufley (2278) - Tkachiev561 (2215)
- Tkachiev561