It seems you're asking about the "Diablo" tactic from Championship Manager 03/04 (CM 03/04), specifically looking for team instructions and how to apply that tactic in a 2021 context (likely meaning a modern replay, a modded database, or a retro tactic discussion from that year).
Two forwards who split to the flanks to pull defenders away, creating space for the central MC's late arrival in the box. Sports Interactive Community Forums Team Instructions (2021 Updated Guide) cm 03 04 diablo tactic team instructions 2021
The Mental approach was paramount. The team mentality was typically set to "Attacking" or even "Gung-Ho" for stronger teams. This pushed the defensive line high and compressed the play into the opponent's half. Combined with a "Pressing" instruction set to the maximum, the tactic suffocated the AI. The objective was to force errors in dangerous areas; the Diablo tactic did not seek to control the game through possession but rather through volume of chances and retrieval of the ball high up the pitch. It seems you're asking about the "Diablo" tactic
CM 03–04 Diablo (hereafter “Diablo”) reads like a response to recurring operational problems: miscommunication under stress, slow decision cycles, uneven distribution of skills, and brittle plans that crumble once the unexpected appears. The 2021 update emphasizes speed, delegation, and survivability—recognizing that modern engagements require teams to recompose rapidly and make imperfect decisions with limited information. Original game (CD/ISO) – on Windows 10/11 using
Diego (Santos) – High flair and incredible technical stats.