aws-samples/football-strategy

Football Strategies & Tactics

Strategies and tactical concepts for programming smarter football agents. Each strategy includes agent-behavior mappings that translate directly to code decisions.

Offensive Strategies

Possession Play

Goal: Keep the ball, tire out opponents, wait for the perfect opening.

| Aspect | Detail | |--------|--------| | Style | Many short passes, patient build-up | | Tempo | Slow, controlled | | Risk | Low — fewer turnovers | | Best When | Leading, or opponent presses aggressively |

Agent-Behavior Mapping:

• Prefer SHORT_PASS over LONG_PASS — higher accuracy, lower turnover risk
• Use DRIBBLE only in safe zones (own half, no nearby opponents)
• Movement: teammates constantly reposition to offer passing angles
• Decision logic: if no forward pass is safe, pass backward or sideways to retain possession
• Stamina: low consumption — rely on WALK and RUN, avoid SPRINT

if no_safe_forward_pass:
    pass_backward_or_sideways()
else:
    short_pass_to_best_positioned_teammate()

Counter-Attack

Goal: Defend deep, win the ball, then attack quickly with speed.

| Aspect | Detail | |--------|--------| | Style | Direct, fast transitions from defense to attack | | Tempo | Slow in defense, explosive in attack | | Risk | Medium — relies on speed and timing | | Best When | Opponent dominates possession, you have fast forwards |

Agent-Behavior Mapping:

• Defenders: MARK and INTERCEPT in own half, stay compact
• On ball win: immediate LONG_PASS or THROUGH_PASS to forwards
• Forwards: SPRINT into space behind opponent defense on transition
• Midfielders: quick RUN forward to support the attack
• Key trigger: ball possession change → switch from defensive to attacking mode instantly

if just_won_ball:
    long_pass_to_forward_in_space()
    forwards.sprint_toward_goal()

High Press

Goal: Pressure opponents immediately, win the ball in their half.

| Aspect | Detail | |--------|--------| | Style | Aggressive, high defensive line | | Tempo | Fast, intense | | Risk | High — leaves space behind if beaten | | Best When | Losing, need to force turnovers, high team stamina |

Agent-Behavior Mapping:

• All outfield players push into opponent's half when they have the ball
• Use TACKLE and INTERCEPT aggressively in attacking third
• SPRINT to close down ball carrier quickly
• If beaten, RUN back immediately to recover
• Stamina: very high consumption — monitor stamina levels, drop press when tired
• Coordination: press as a unit, not individually

if opponent_has_ball and ball_in_opponent_half:
    nearest_player.sprint_to_ball_carrier()
    teammates.cut_passing_lanes()

Wing Play

Goal: Attack down the flanks, cross into the box.

| Aspect | Detail | |--------|--------| | Style | Wide positioning, crosses into penalty area | | Tempo | Medium to fast | | Risk | Medium — crosses can be intercepted | | Best When | You have strong headers, opponent is narrow |

Agent-Behavior Mapping:

• Wide players: RUN along sidelines, stretch the defense
• Use DRIBBLE down the wing to create crossing opportunities
• CROSS into the penalty box when in advanced wide positions
• Central players: RUN into the box to meet crosses, use HEADER
• Passing: SHORT_PASS to switch play from one wing to the other

if wide_player_has_ball and in_crossing_zone:
    cross_to_penalty_box()
    central_players.run_into_box()

Defensive Strategies

Zonal Defense

Goal: Each player defends a specific area, maintain team shape.

| Aspect | Detail | |--------|--------| | Style | Area-based, structured | | Weakness | Gaps between zones if spacing is poor | | Best When | Default defensive setup, balanced approach |

Agent-Behavior Mapping:

• Assign each player a zone (x, y coordinate range)
• Use STOP or WALK to hold position within assigned zone
• INTERCEPT passes that enter your zone
• TACKLE only when opponent enters your zone with the ball
• Do NOT chase opponents outside your zone — trust teammates
• Coordination: zones overlap slightly to prevent gaps

if ball_in_my_zone:
    move_toward_ball()
    if opponent_has_ball_in_zone:
        tackle()
else:
    hold_zone_position()

Man-to-Man Marking

Goal: Each defender tracks a specific opponent closely.

| Aspect | Detail | |--------|--------| | Style | Player-based, tight coverage | | Weakness | Can be pulled out of position by decoy runs | | Best When | Opponent has a star player to neutralize |

Agent-Behavior Mapping:

• Assign each defender a specific opponent player ID
• Use MARK action to follow assigned opponent
• Match opponent's movement: if they RUN, you RUN
• TACKLE when your assigned opponent receives the ball
• Stamina risk: high — constant movement mirroring opponent
• Fallback: if stamina drops below threshold, switch to zonal

if assigned_opponent_has_ball:
    tackle()
elif assigned_opponent_moving:
    mark(assigned_opponent_id)
    match_opponent_speed()

Compact Defense

Goal: Keep all players close together, deny space.

| Aspect | Detail | |--------|--------| | Style | Tight formation, narrow shape | | Weakness | Vulnerable to wide play and crosses | | Best When | Protecting a lead, opponent plays through the middle |

Agent-Behavior Mapping:

• All outfield players stay within a tight radius of the ball
• Use WALK to maintain formation — minimize gaps between players
• INTERCEPT passes in congested areas (high success rate)
• Do NOT spread wide — sacrifice wing coverage for central density
• Shift the compact block toward the ball side of the field

if ball_on_left_side:
    shift_formation_left()
    maintain_tight_spacing()
elif ball_on_right_side:
    shift_formation_right()
    maintain_tight_spacing()

Offside Trap

Goal: Catch attackers offside by moving defenders forward together.

| Aspect | Detail | |--------|--------| | Style | Synchronized defensive line movement | | Weakness | Devastating if mistimed — attacker is through on goal | | Risk | Very high — requires perfect coordination | | Best When | Opponent relies on through balls, your defenders are fast |

Agent-Behavior Mapping:

• All defenders move forward simultaneously on a trigger (e.g., opponent about to pass)
• Use RUN forward as a unit just before the pass is made
• Requires awareness of opponent forward positions
• If trap fails: nearest defender must SPRINT back immediately
• Timing is everything — too early and opponents adjust, too late and they're onside

if opponent_preparing_through_pass:
    all_defenders.run_forward_together()
    if trap_failed:
        nearest_defender.sprint_back()

Tactical Programming Concepts

Ball Possession Decisions

Your agent must decide what to do with the ball every tick. Use this decision tree:

| Situation | Recommended Action | Reasoning | |-----------|-------------------|-----------| | Close to goal, clear shot | SHOOT | Best scoring opportunity | | Under pressure, teammate open | SHORT_PASS | Relieve pressure, keep possession | | Teammate making a run behind defense | THROUGH_PASS | Exploit space, create chance | | Wide position, teammates in box | CROSS | Deliver ball to scoring zone | | No good options, safe area | DRIBBLE | Buy time, wait for movement | | Need to switch play quickly | LONG_PASS | Change point of attack |

Priority order: Shoot → Through Pass → Short Pass → Cross → Dribble → Long Pass

Movement Without the Ball

What your agent does without the ball is just as important as what it does with it.

Making Runs:

• Move into open space to receive a pass
• Time runs to stay onside
• Agent action: RUN or SPRINT into space, signal availability

Creating Space:

• Pull defenders away to open gaps for teammates
• Make decoy runs in the opposite direction of the intended play
• Agent action: RUN away from the ball to drag a marker

Supporting the Ball Carrier:

• Position at passing distance from the teammate with the ball
• Form triangles with two other players for multiple passing options
• Agent action: WALK or RUN to maintain optimal passing distance

Team Coordination Patterns

Passing Triangles:

• Three players form a triangle around the ball carrier
• Ensures at least two passing options at all times
• Rotate positions as the ball moves

Overlapping Runs:

• A player runs past the ball carrier on the outside
• Creates a 2v1 situation against the defender
• Effective on the wings

Switching Play:

• Pass to the opposite side of the field to exploit space
• Use LONG_PASS to switch quickly
• Forces the opponent to shift their defensive shape

Game-State Awareness

Adapt strategy based on the current match situation:

| Game State | Strategy Adjustment | |------------|-------------------| | Winning by 2+ goals | Possession play, conserve stamina, waste time | | Winning by 1 goal | Balanced, protect lead but stay dangerous | | Drawing | Look for opportunities, balanced risk | | Losing by 1 goal | Push higher, take more shots, increase tempo | | Losing by 2+ goals | High press, maximum aggression, all-out attack | | Last 30 seconds, winning | All players defend, clear the ball | | Last 30 seconds, losing | Everyone forward, goalkeeper too if desperate |

if score_difference >= 2:
    strategy = "possession_conserve"
elif score_difference == 1:
    strategy = "balanced_protect"
elif score_difference == 0:
    strategy = "balanced_opportunistic"
elif score_difference == -1:
    strategy = "aggressive_push"
else:
    strategy = "all_out_attack"

Stamina Management

Stamina is a finite resource. Poor management means your players slow down in critical moments.

Sprint Wisely:

• Reserve SPRINT for critical moments: breakaways, last-ditch defense, final minutes
• Use RUN for normal movement, WALK when not under pressure
• Monitor current stamina — below 30% means significantly reduced speed

Rotation:

• Alternate which players press and which recover
• Don't have all players sprinting simultaneously
• Let tired players hold position while fresh players do the running

Positioning Over Running:

• Good positioning reduces the need for sprinting
• Anticipate where the ball will go, not where it is now
• Agent logic: calculate optimal position based on ball trajectory and teammate positions

| Stamina Level | Recommended Behavior | |---------------|---------------------| | 80-100% | Full intensity, sprint when needed | | 50-79% | Moderate, prefer RUN over SPRINT | | 30-49% | Conservative, mostly WALK and RUN | | Below 30% | Minimal movement, hold position, WALK only |

Combining Strategies

Effective agents don't use a single strategy — they adapt. Consider a hybrid approach:

1. Start with possession play to control the game and read the opponent
2. Switch to counter-attack if the opponent presses high
3. Use high press when losing and stamina is still high
4. Fall back to compact defense when protecting a lead with low stamina
5. Deploy offside trap selectively against through-ball-heavy opponents

The best agents read the game state every tick and adjust their strategy dynamically.

References

• See content-reference/en/strategies.md for full detail