Elephant Gambit (Queen's Pawn Counter-gambit) - C40

Elephant Gambit Chess Resources

 Elephant Gambit Wikipedia Page

The Elephant Gambit (also called the Queen's Pawn Countergambit or Englund Counterattack) 

1. e4 e5 2. Nf3 d5!?

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Elephant Gambit Chess Articles

The Ultimate Elephant Gambit Opening Guide for Attacking Players - Chessable Blog Guide

Elephant Gambit | The Refutation - Chessmood Article by GM Avetik Grigoryan (Pretty In-depth)
Elephant Gambit | The Refutation - Lichess Blog Post

Elephant Gambit LiChess Studies

The Elephant Gambit - Pretty basic 4 Chapter Study (Top of Page)
Elephant Gambit | Wasp Variation - 18 Chapter Interactive Study

Elephant Gambit - (Queen Pawn Counter Gambit) - 12 Chapter Study

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Tactics and Puzzles

Lichess Elephant Gambit Tactics  - 2693 Tactics (Under LiChess Opening Tactics)

King's Knight Opening (ECO C40) - 25 Puzzles - WTHarvey.com

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Online Databases

365Chess.com

C40: QP counter-gambit (elephant gambit) 1. e4 e5 2. Nf3 d5 - 1075 Games

Chessgames.com

98_C40_Elephant Gambit - 42 Games
Elephant Gambit 3.d4 black wins - 3 Games
Elephant Gambit Miniatures - 7 Games

ChessTempo.com

Elephant Gambit, General (C40) - 1600 games

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Elephant Gambit Video Lessons

Watch Out for The Elephant Gambit! | Chess Openings Explained - 57 Min - St. Louis Chess Club
Tal vs Lutikov, 1964 | Elephant Gambit - GM Yasser Seirawan - 49 Min - St.Louis Chess Club
The Elephant Gambit | Queen's Pawn Countergambit | Chess Openings | Gambits | IM Andrey Ostrovskiy - 14 Min

Chess For Beginners: The Mighty Elephant Gambit for Black!! Part 1 - 25 Min - IM Miodrag Perunovic
Chess For Beginners: The Mighty Elephant Gambit for Black!! Part 2 - 25 min - Im Miodrag perunovic


Tricky Elephant Gambit Repertoire - 6 Video playlist- GJ_Chess

Wasp Variation

Surprisingly Tricky, Extremely Fun - The Wasp Variation of the Elephant Gambit! - 12 Min - NM Nelson Lopez

Johnathan Schrantz

Win with the MOST COMMON Elephant Gambit Trap - 7 Min
Trick Everyone with the ELEPHANT GAMBIT - 13 Min
Scare Everyone with the ELEPHANT GAMBIT - 19 Min
I Tried Playing the ELEPHANT GAMBIT in Rapid Chess - 19 Min
Beating an IM in 9 Moves with the ELEPHANT GAMBIT - 2 Min
Holy Gambit Grail #10: Elephant Gambit - 13 Min
Always Accept this Gambit - 12 Min
Can a GRANDMASTER Refute My Elephant Gambit? - 9 Min
This Opening is an INFINITE RATING GLITCH - 8 Min

Refuting the Elephant Gambit Videos

Destroy The Elephant Gambit in Two Easy Ways!! - 8 Min - IM Miodrag Perunovic
Elephant Gambit | The Refutation - Daily Lesson with a Grandmaster #75 - 30 Min - Chess Mood
The Elephant Gambit (And how to beat it every time.) - 16 Min - Hanging Pawns

Elephant Gambit Game Videos (w/Analysis)

The Elephant Gambit - 31 Video Playlist - Kingscrusher

Learn the Elephant Gambit Under the Trunk of a Grandmaster - 58 Min - GM Nakamura 
An Amazing Elephant Gambit Miniature | Max Lange vs Richard Schurig: Berlin 1855 - 3 Min
Elephant Gambit: Masseg vs Freidl - Austria 1987 - 3 Min