Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6/3. d4/3...Nd7/4. Bc4/4...Ne7

Philidor Defense: Hanham Variation
	a b c d e f g h 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 a b c d e f g h
	Position in Forsyth-Edwards Notation (FEN) r1bqkb1r/pppnnppp/3p4/4p3/2BPP3/5N2/PPP2PPP/RNBQK2R w
	Moves: 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Ne7

4...Ne7??

This move cramps Black's position even further and allows Ng5, when f7 cannot be comfortably defended. One example: d5 Qh5 (g6 Qf3 (Nf5 Bxd5) f5 Ne6 wins the queen) Ng6 Bxd5, and Black won't live very long due to f7.

Theory table


5	6	7
Ng5 d5	Qh5 Ng6	Bxd5	+-
	g6 Qf3	f5 Ne6	+-
		Nf5 Bxd5	+-

Wikipedia has related information at Philidor Defense.

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Chess Opening Theory

1. e4 e5
Open games

2. Nf3

2...Nc6

3. Bb5
Spanish

Berlin →
- Anti-Berlin
- Beverwijk
- L'Hermet → Berlin Wall

Morphy →
- Exchange
- Closed → Marshall
- Open
- Arkhangelsk
- Anderssen
- Mackenzie

3. Bc4
Italian

Giuoco Piano →
- Evans gambit
- Giuoco pianissimo
- Rosentreter
- Jerome ??

Two knights defence →
- Open
- Knight attack →
  - Fried liver
  - Polerio

Anti-fried liver ?!
Blackburne shilling ?

3. Nc3
Three knights

Four knights
- Glek
- Italian
- Scotch → Belgrade
- Spanish
- Naroditsky !?
- Halloween ?!
Steinitz
Schlechter

Other

2...Nf6
Russian

2...d6
Philidor

Other

2. f4
King's gambit

2...exf4
Accepted

King's knight →
- Kieseritzky
- Schallop
- Modern
- Fischer
- Lolli ?
- Muzio ?
Bishop's →
- Cozio

Other
Declined

2. Nc3
Vienna

Falkbeer →
Max Lange

Other

1. e4 c5
Sicilian

2. Nf3

2...Nc6 3. d4 cxd4 4. Nxd4

2...Nc6 other

2...d6 3. d4 cxd4 4. Nxd4

Dragon →
- Levenfish attack
- Yugoslav attack
Dragondorf
Kupreichik
Najdorf →
Scheveningen

2...d6 other

2...e6 3. d4 cxd4 4. Nxd4

French, Normal
Kan
Kveinis
Paulsen-Basman
Taimanov →
- Bastrikov →
  English attack
- Szén →
  Garry Gambit

2...e6 other

Others

Anti-Sicilians

1. e4 e6
French

1. e4 c6
Caro-Kann

1. e4 other

Barnes ?
Borg ?
Corn stalk ??
Duras ??
1...b5 ??

1. d4 d5
Closed games

2. c4
Queen's gambit

2. Nc3

2. other

1. d4 Nf6
Indian

2. c4 e6

2. c4 g6

King's Indian →
Grünfeld

2. c4 other

2. Nf3

2. other:

1. d4 f5
Dutch

1. d4 ...other:

Flank

Unorthodox

a3
Na3
a4
b4
c3
Nc3
d3
e3
f3
h3
Nh3
h4

Philidor Defense: Hanham Variation
a b c d e f g h 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 a b c d e f g h
Position in Forsyth-Edwards Notation (FEN) r1bqkb1r/pppnnppp/3p4/4p3/2BPP3/5N2/PPP2PPP/RNBQK2R w
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Ne7