Blancas: D. Alsina (Spagna, UGA, 2.553). Nere: F. Vallejo (Spagna, Sabadell, 2.707). Cf. Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf., Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf., Cf., Cf. + Cf., Cf., Cf., Cf. Cf., Cf. + Cf. + Cf. + Cf., Cf. Cf., Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. + Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf. Cf.
Un gruppo di caselle deboli dello stesso colore è uno dei temi strategici più interessanti degli scacchi. Paco Vallejo dà una lezione magistrale in questa partita