Learn how to play the game — not just which players to pick.
DFS strategy changes with the contest. Learn game theory, leverage, contest selection, portfolio construction, NFL stacking, Showdown duplication, and the decision process JARVIS uses on every slate.
Learn the concept
Understand the underlying game theory instead of memorizing brittle rules.
See how the contest changes it
Cash, Single Entry, 3-Max, 20-Max, 150-Max, and massive-field GPPs reward different decisions.
Use JARVIS to execute
Each guide shows how the idea maps to JARVIS grades, game environments, stacks, and lineup construction.
Start here
Cornerstone DFS strategy guides
Fundamentals
DFS Game Theory: The Complete Guide
Why projections alone are not enough — and how contest structure, ownership, leverage, correlation, and duplication change the value of a lineup.
Fundamentals
Expected Value in DFS: Why Winning Today Is Not the Goal
Understand EV, variance, and why the quality of a DFS decision cannot be judged from one slate result.
Fundamentals
DFS Leverage Explained: Ownership, Exposure, and Opportunity
What leverage really means, how it differs from low ownership, and how to use it without blindly fading popular plays.
Contest Strategy
Cash Games vs. GPPs: Why You Should Build Differently
The core strategic differences between cash games and tournaments — floor, ceiling, ownership, correlation, and risk.
Contest Strategy
How to Win Large-Field DFS Tournaments
A practical framework for building first-place paths through ceiling, correlation, leverage, differentiation, and duplication control.
Contest Strategy
Single-Entry DFS Strategy: Build One Coherent Lineup
How to balance projection, ceiling, ownership, and correlation when you only get one shot.
Portfolio
150-Max DFS Strategy: Build a Portfolio, Not 150 Bets
How exposure, scenario diversity, stack distribution, and contest EV change when you enter at scale.
Game Selection
DFS Contest Selection: What Games Should You Actually Enter?
Field size, entry limits, payout structure, and why choosing the contest is part of the strategy — not an afterthought.
Portfolio
DFS Lineups Are a Portfolio: How Multi-Entry Strategy Really Works
Why exposure, overlap, scenario coverage, and leverage matter more than cosmetic lineup uniqueness.
Process
Build → Review → Revise: A Better DFS Lineup Process
Start from the model, inspect the portfolio, make targeted changes, and rebuild — instead of converting every opinion into an optimizer rule.
NFL
NFL DFS Strategy: The Complete Main Slate Guide
How to combine projection, role, game environments, stacking, ownership, and contest context on NFL main slates.
NFL
NFL Showdown Strategy: Captain, FLEX, Game Scripts, and Duplication
Why single-game DFS is a different game — and how Captain opportunity cost, slot ownership, salary construction, and duplication shape winning lineups.
Fundamentals
The concepts underneath every strong DFS decision.
Contest Strategy
Why the same player or lineup can be right in one contest and wrong in another.
Game Selection
Choose contests whose field size, entry limits, and payout structure fit your goals.
Portfolio
Treat multi-entry DFS as a portfolio problem instead of 20 or 150 isolated lineups.
Process
A repeatable way to turn projections and research into decisions without overreacting to opinions.
NFL
Main-slate and Showdown strategy built around correlation, ownership, game environments, and duplication.
From theory to today's slate
JARVIS doesn't just give you picks. It helps you play the game.
Choose the contest you are entering and JARVIS evaluates the slate through the strategy that contest actually rewards.
Try JARVIS