Product Pillars
4.1 Play Modes
Tournaments (core)
Knockout
Bracketed cups created on demand.
Strict separation of infra:
cupMatchtables + controller for life of the tournament.Rounds auto-generate when all fixtures in a round complete.
Draws resolve via penalties, winners advance.
Simultaneous rounds: every match in a round shares one kickoff time.
Mixed (Groups → Knockout)
Group Stage uses dedicated
groupMatch/groupStagetables.Round-robin, with H2H > GD > GF tiebreak order.
Top teams auto-seed into a separate KO path (still in
groupMatchwithstage='KNOCKOUT'to preserve type isolation).Simultaneous rounds per group, all Round-2 games start together, etc.
[MIXED FLOW]
Join → Group draw & schedule
├─ Group Round 1 (all groups, same T0)
├─ Group Round 2 (all groups, T0 + Freq)
└─ Group Round 3 (all groups, T0 + 2×Freq)
Qualify → Seeded KO Round 1 (all matches same time)
→ KO Round 2
→ FinalFriendlies (casual)
Instant fixtures with optional stake-free rewards (XP, chemistry bump).
Great for testing formations/tactics and trying academy call-ups.
Leagues (seasonal/recurring) — Roadmap active
Rolling seasons, promotion/relegation pools, persistent standings.
Prize pools + sponsorship slots, end-of-season awards flow into on-chain records.
Season history contributes to club legacy and fan-valued brand.
4.2 Simulation DNA (Why matches feel real)
Formations & multipliers
4-4-2
1.00
1.05
Balanced coverage
4-3-3
1.15
0.90
High press, wings
3-5-2
1.05
1.10
Strong mid control
4-2-3-1
1.10
1.00
Creative 10s
4-1-4-1
0.95
1.15
Screened back line
5-3-2
0.85
1.25
Compact deep block
4-3-2-1
1.05
1.05
Narrow “Xmas tree”
3-4-3
1.20
0.85
Overloads wide
Tactical levers
Pressing, width, tempo → continuous nudges to attack/defense.
Game plan (Counter / Wing / Direct), defensive style (Compact / Wide), line instructions (Push up / Defend deep), marking (Man / Mixed), offside trap.
Each input caps within ±25% envelopes to keep outcomes believable.
Lineups & substitutions
Default or custom XI, minute-accurate subs that adjust stamina drain (minutes-weighted).
Safety checks: null/empty slots are gracefully skipped (no crashes if a slot is unfilled).
Events & injuries
Goals, assists, substitutions, injuries (probability scaled by injury proneness × low stamina), and KO penalties when tied.
Every event persisted with timestamps → auditable payouts & leaderboards.
Ratings & form
Per-player 1–10 ratings influenced by minutes, goals, assists, role, rolling form arrays for clubs and players drive future sim expectations.
Fairness & noise
Home advantage with low luck range (±5%).
Outcomes feel organic, not RNG-chaotic.
4.3 Schedules & Rounds (Fan-experience perfect)
Synchronized rounds:
All fixtures in Round r share the same kickoff.
Next round = previous kickoff + matchFrequency.
Applies to Knockout and Mixed (group & KO stages).
Live UI:
Socket rooms (per tournament) broadcast
newResultsAndFixtures.SPA-fast, virtualized lists for smooth fixture feeds at any scale.
4.4 Payouts & Leaderboards (One rule, end-to-end)
Golden Rule: “First to reach N” breaks ties for Top Scorer and Top Assist.
Backend payouts scan event timestamps in order, the earlier achiever wins the tie.
Frontend boards follow identical sorting:
count desc→earliest reach time asc.Result: zero confusion between what users see and what the contract pays.
4.5 Ownership & Liquidity
Player NFTs: everything you build (training, minutes, form, history) accrues into a saleable asset.
Economy primitives:
On-chain buys for final settlement, provenance, and trust.
Gasless lists/cancellations for smooth UX, signature orders posted off-chain until execution.
Loans with duration, fees, and buy clauses, enforced by contract.
Tournament leaves (pre-start) are on-chain with fair penalties/refunds handled by escrow.
4.6 Scouting & Signing (Finding the edge)
Discovery rails
Trending prospects: high recent ratings, spike in minutes, or sudden form upticks.
Under-priced filters: stamina returns, post-injury discounts, position scarcity.
Comps: similarity search across attributes + event outcomes (e.g., “find me a budget CAM with ST-adjacent goals/90”).
Signals (examples)
Per-90: Goals/90, Assists/90, Key actions/90.
Contextual: Last 5 form avg, role fit vs formation, fatigue risk (stamina trend).
Signing flows
Buy now (on-chain), negotiated transfer (counteroffers), loan (fee + clause).
All with escrow and auto-release on completion.
4.7 Training (Turning time into value)
Session types: Finishing (ST/LW/RW), Creativity (CAM/CM), Positioning (CB/FB), Distribution (GK), Conditioning (all).
Constraints: stamina gates, match congestion penalties, diminishing returns.
Outputs: gradual attribute shifts, temporary boosts (time-boxed), and long-term arcs recorded on-chain as metadata.
Risk/Reward: aggressive plans increase short-term performance and injury risk.
4.8 Academy (Pipelines, not gacha)
Intake classes seeded by club focus (e.g., “wings and 10s”), RNG within realistic bounds.
Progression: academy matches (friendlies), internal ratings, form snapshots.
Graduation: mint as NFT only when promoted to senior squad, no clutter, you only pay to mint when there’s conviction.
Marketability: graduates inherit provenance (club, coach, drills used), improving price discovery.
4.9 Shop (Utility, not sink)
Boosts (transparent, capped): recovery water, short-term morale, focus sessions.
No pay-to-win walls: boosts help, but can’t brute-force sim fairness caps.
Recipe-style bundles: seasonal combos encourage planning, not spam.
On/off-chain: day-to-day gasless usage, on-chain stock-keeping for rare items.
4.10 Marketplace UX (Gasless where it should be)
Lists & Offers
Gasless create/cancel (signatures)
On-chain fill → finality, royalties, and escrow payouts executed atomically.
Loan Desk
Pre-templated terms: duration, fee, wage split, buy clause %
Auto-revert at expiry, player returns and metadata (minutes, form) persists.
Portfolio
Mark-to-market valuations, realized P&L, fee breakdowns.
Tax-friendly CSV exports (periodic).
4.11 Referrals & Creator Rails
Two-sided referrals: referrer earns on tournament fees, marketplace fees, and shop purchases within a time window.
Creator leagues: white-label formats with a revenue share on entries/sponsorships.
Open data means creators can ship dashboards, scouting newsletters, or highlights bots, and plug directly into referral ids.
4.12 Anti-Cheat, Anti-Sybil, Fair Play
Identity tiers: higher stakes require stronger proofs (KYC-light or web-of-trust), casual play remains open.
Multi-account heuristics: on-chain graph + device/browser signals to flag funneling.
Ref abuse: diminishing returns per cluster, manual escalations on anomalies.
Public audit trails: fixtures, events, payouts all traceable.
4.13 Builder Surface (APIs, data, sockets)
Realtime sockets: match events, fixture updates, payout settlements.
Read APIs: player stats, marketplace tickers, tournament states.
Webhooks: trade fills, injury updates, training completions.
Licensing: clear “do-anything” policy for non-custodial tools, curated spotlight for best community apps.
4.14 UX Philosophy (No velvet rope)
Web2-level polish, Web3-level rights.
Gasless where it matters (lists, routine ops), on-chain when it counts (ownership, payouts).
Mobile-first screens for fixtures, bids, and quick training.
4.15 Example: Leaderboard Consistency (Front vs Payout)
Result: the same name sits atop both lists—always.
4.16 Example: Round Scheduling
Guarantee: every fixture in round r shares the same kickoff.
4.17 What this unlocks
Players turn time and taste into assets with resale and yield.
Clubs compound into brands with history, fans, and cashflows.
Ecosystem grows from a single game into the on-chain soccer economy.
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