Ruy Lopez (Spanish) Birds Defense Resources
3....Nd4 - Bird's Defence
This variation from black is an attempt to avoid having the pinned knight which can be a bit of a problem for black. White now should exchange off the knight by playing 4. Nxd4 exd4
BOOKS (Free)
The Modenized Ruy Lopez Vol 1 A Complete Repertoire for White - 18 Page (Chap. 2 Birds) PDF
500 Ruy Lopez Miniatures By Bill Wall - 122 Page PDF
Easy Guide to Ruy Lopez by John Emms - 74 Page PDF
Ruy Lopez (Birds Defense) Articles
Bird's Defense Bibliography (C61) - at the Kenilworthian Chess Club
Huge amount of info and resources pointed at this opening 2008.)
Ruy Lopez Bird's Defense (C61) Update - (Updated Info from Kenilworthian)
Bird Defense Opening Theory by NM Dana Mackenzie
6 Part Lesson
Bird by Bird Part 1
Bird by Bird Part 2
Bird by Bird Part 3A
Bird by Bird Part 3B
Bird by Bird Part 4
(Sunday Morning Analysis) - More Analysis on B by B Pt 3
Ruy Lopez (Birds Defense) LiChess Study
Easy Guide to the Ruy Lopez - 10 Chapters
Chessgames.com
Ruy Lopez Bird Defence Games - 872 Games
Ruy Lopez, Bird's Defense (C61) - 3 Annotated Games
365Chess.com
C61: Ruy Lopez, Bird's defence 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 - 2400+ Games
Chess Puzzles by Opening
C61 - Bird Defence - 10 Puzzles ( Work on those Opening Tactics )
Annotated Games
Adolf Anderssen - Max Lange, Breslau 1859 - 2 Page .Pdf Annotated move by move
Tudev Ujtumen (IM) vs. Anatoly Lein (IM) -
Ruy Lopez (Birds Defense) Chess Video Lessons
Anderssen vs Lang - 5 Min
Bird's Defense: Ruy Lopez Chess Opening - 12 Min
Mastering the Spanish (Ruy Lopez) - Bird Defence - 12 Min
A Short Romance - The Bird Variation (Ruy Lopez) - 14 Min GM Hansen
Birds Defense Chess Trap Videos
Spanish Bird Variation - The Birdsnathcer (trap no. 143) - 5 Min
Chess Gambit for Black that I LOVE (Against the Bird's Defense) - 8 Min NM Lei
Birds Defense Game Videos w/analysis
Ruy Lopez, Bird's Defense: Grandmaster Leonid Shamkovich vs Bruce Carlley - 4 Min
LIVE Blitz Chess Commentary #163: Ruy Lopez - Bird's Defense - 12 Min
Gata Kamsky vs Vassily Ivanchuk (C61 Ruy Lopez Bird's Defence Tilburg - 8 Min
Ruy Lopez: Samuel Standidge Boden vs Henry Edward Bird - 6 Min Chess School