018 - Hice la Buena pero No la Mejor

¡Saludos Estimados Colegas! Continuamos con más entrenamiento del Manual de las Combinaciones para jugadores que quieren subir de Nivel. Veremos 2 nuevos ejercicios:

[Event "Juegan Negras -+"] [Site ""] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [Annotator ""] [ECO "?"] [FEN "2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - 0 1"] [Opening "?"] [SetUp "1"] [Source "IB PGN Viewer"] [SourceDate "2023.01.04"] [SourceTitle "0beDFMOZcFqFps7611GclpYKmlJyhgnCA_q_j1_IG9NcHhsuflUSuaf-dL4jRjeyjqDsg2-dCIdybk-M8W_Zww"] [UTCDate "2022.11.08"] [UTCTime "03:01:08"] [Variant "Standard"] *

[Event "Juegan Blancas +-"] [Site ""] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [Annotator ""] [ECO "?"] [FEN "2rq4/R1b2pk1/2Q3p1/p1PBp2p/P6P/4P1P1/5PK1/8 w - - 0 1"] [Opening "?"] [SetUp "1"] [Source "IB PGN Viewer"] [SourceDate "2023.01.04"] [SourceTitle "lAQIyiOztoBV8Aq1ihJ-vn341AHepim6hbaiGOcpCqna2T-_BpA3ls6J_IuHsYeFmQ7Oe0UJjHGFDtFRNIkTbw"] [UTCDate "2022.11.08"] [UTCTime "03:09:19"] [Variant "Standard"] *

La solución es: