Polish, Tuebingen variation

1... h6

Polish, Outflank variation

1... b6

Lasker simul special

1... h5

Benko's opening, reversed Alekhine

1... e5 2.f3

Grob, spike attack

1... d5 2.g2 c6 3.g5

Grob, Fritz gambit

1... d5 2.g2 xg4 3.c4

Grob, Romford counter-gambit

3... d4

Global opening

1... e5 2.a3

Amar gambit

1...d5 2.g3 e5 3.f4 xh3 4.xh3 exf4

Dunst (Sleipner,Heinrichsen) opening (1...e5)

1... e5

Battambang opening

2.a3

Crab opening

1... e5 2.h4

Mieses opening (1...e5)

1... e5

Valencia opening

2.d2

Amsterdam attack

1... e5 2.c4 d6 3.c3 c6 4.b3 f6

Hammerschlag (Fried fox/Pork chop opening)

1... e5 2.f2

Nimzovich-Larsen attack, modern variation

1... e5

Nimzovich-Larsen attack, Indian variation

1... f6

Nimzovich-Larsen attack, classical variation

1... d5

Nimzovich-Larsen attack, English variation

1... c5

Nimzovich-Larsen attack, Dutch variation

1... f5

Nimzovich-Larsen attack, Polish variation

1... b5

Nimzovich-Larsen attack, symmetrical variation

1... b6

Bird, From gambit

1... e5

Bird, From gambit, Lasker variation

2.fxe5 d6 3.exd6 xd6 4.f3 g5

Bird, From gambit, Lipke variation

2.fxe5 d6 3.exd6 xd6 4.f3 h6 5.d4

Bird's opening, Swiss gambit

1... f5 2.e4 fxe4 3.c3 f6 4.g4

Bird, Hobbs gambit

1... g5

Mujannah opening

2.c4

Bird's opening, Williams gambit

2.e4

Bird's opening, Lasker variation

2.f3 f6 3.e3 c5

Reti v Dutch

1... f5

Reti, Pirc-Lisitsin gambit

2.e4

Reti, Lisitsin gambit deferred

2.d3 f6 3.e4

Reti opening (1...d6)

1... d6

Reti, Wade defence

2.e4 g4

Reti, Herrstroem gambit

1... g5

Reti, King's Indian attack, Spassky's variation

2.g3 b5

Reti, King's Indian attack

2.g3 g6

Reti, King's Indian attack, Reti-Smyslov variation

3.b4

Reti, old Indian attack

2.d3

Santasiere's folly

2.b4

Tennison (Lemberg, Zukertort) gambit

2.e4

Reti, Nimzovich-Larsen attack

2.b3

Reti, King's Indian attack, Yugoslav variation

2... f6 3.g2 c6 4.O-O g4

Reti, King's Indian attack, Keres variation

2... g4 3.g2 d7

Reti, King's Indian attack

2... g6

Reti, King's Indian attack, Pachman system

3.g2 g7 4.O-O e5 5.d3 e7

Reti, King's Indian attack (with ...c5)

2... c5

Reti, King's Indian attack, French variation

3... c6 4.O-O e6 5.d3 f6 6.bd2 e7 7.e4 O-O 8.e1

Reti, advance variation

2... d4

Reti accepted

2... dxc4

Reti accepted, Keres variation

3.e3 e6

English opening (1...g6)

1... g6

English, Adorjan defence

2.e4 e5

English, Anglo-Dutch defense

1... f5

English, Jaenisch gambit

1... b5

English, Torre defensive system

3... f6 4.g3 g4

English, London defensive system

3... f6 4.g3 f5

English, Caro-Kann defensive system (3...Nf6 4.Bb2)

3... f6 4.b2

English, Bled variation

4... g6

English, New York (London) defensive system

4... f5

English, Capablanca's variation

4... g4

English, Caro-Kann defensive system, Bogolyubov variation

3... g4

English, Romanishin gambit

2.f3 f6 3.g3 a6 4.g2 b5

English opening, Agincourt variation

2.f3 d5

English, Wimpey system

3.b3 f6 4.b2 c5 5.e3

English opening, Agincourt variation (3.g3)

3.g3

English, Kurajica defence

3... c6

English, Neo-Catalan

3... f6

English, Neo-Catalan accepted

4.g2 dxc4

English, Symmetrical, Keres defence

5...c5 6.cxd5 xd5 7.c3 c6

English orang-utan

2.b4

English opening

2.f3

English, Anglo-Gruenfeld defense

2... d5

English, Anglo-Gruenfeld, Czech defense

3.cxd5 xd5 4.g3 g6 5.g2 b6

English, Anglo-Gruenfeld, Smyslov defense

3.cxd5 xd5 4.g3 g6 5.g2 xc3

English, Anglo-Gruenfeld defense (4.Nf3)

3.cxd5 xd5 4.f3

English, Anglo-Gruenfeld defense, Korchnoi variation

4... g6 5.g3 g7 6.g2 e5

English, Nimzo-English opening

3.f3 b4

English, Queens Indian formation

3.f3 b6

English, Queens Indian, Romanishin variation

4.e4 b7 5.d3

English, Mikenas-Carls, Flohr variation

3... d5 4.e5

English, Mikenas-Carls, Kevitz variation

3... c6

English, Nimzovich variation

2.f3

English, Nimzovich, Flohr variation

2... e4

English, Troeger defence

2... d6 3.g3 e6 4.g2 c6

English, Keres variation

2... d6 3.g3 c6

English opening (2...d6 3.Nf3)

2... d6 3.f3

English, Smyslov defence

3... g4

English, Kramnik-Shirov counterattack

2... b4

English, Bellon gambit

3.f3 e4 4.g5 b5

English, Carls' Bremen system

3.g3

English, Bremen, reverse dragon

3... d5

English, Bremen, Smyslov system

3... b4

English, closed system

3.g3 g6 4.g2 g7

English, closed, Taimanov variation

5.e3 d6 6.ge2 h6

English, closed, Hort variation

5.e3 d6 6.ge2 e6

English, closed, 5.Rb1

5.b1

English, closed, 5.Rb1 Taimanov variation

5... h6

English, closed system (without ...d6)

5.d3

English, Botvinnik system

6.e4

English, Nenarokov variation

4.d4 exd4 5.xd4 b4 6.g5 h6 7.h4 xc3+ 8.bxc3 e5

English, Bradley Beach variation

4.d4 e4

English, four knights, Nimzovich variation

4.e4

English, four knights, Marini variation

4.a3

English, four knights, Capablanca variation

4.d3

English, four knights, 4.e3

4.e3

English, four knights, Stean variation

4... b4 5.c2 O-O 6.d5 e8 7.f5

English, four knights, Romanishin variation

4... b4 5.c2 xc3

English, symmetrical, hedgehog system

2.f3 f6 3.g3 b6 4.g2 b7 5.O-O e6 6.c3 e7

English, symmetrical, hedgehog, flexible formation

7.d4 cxd4 8.xd4 d6 9.d1 a6 10.b3 bd7

English, symmetrical, Geller variation 

6.g3 b6

English, symmetrical, three knights system

2... f6 3.f3 d5 4.cxd5 xd5

English, symmetrical variation (2...Nf6 3.g3)

2... f6 3.g3

English, symmetrical, Rubinstein system

3... d5 4.cxd5 xd5 5.g2 c7

English, symmetrical, four knights system 

3.f3 f6

English, ultra-symmetrical variation

3... g6 4.g2 g7

English, symmetrical, Botvinnik system reversed

5.e3 e5

English, symmetrical, Botvinnik system

5.e4

English, symmetrical, Botvinnik system reversed

5... e5

English, symmetrical, main line with d3

6.O-O O-O 7.d3

English, symmetrical, main line with b3

6.O-O O-O 7.b3

Queen's pawn, Lundin (Kevitz-Mikenas) defence

1... c6

Queen's pawn, Charlick (Englund) gambit 

1... e5

Queen's pawn, Englund gambit

2.dxe5 c6 3.f3 e7 4.d5 f6 5.exf6 xf6

Queen's pawn, English defence

1... b6

Polish defence

1... b5

Queen's pawn (1...e6)

1... e6

Queen's pawn, Keres defence

2.c4 b6

Queen's pawn, Franco-Indian (Keres) defence

2.c4 b4+

Modern defence

1... g6

Beefeater defence

2.c4 g7 3.c3 c5 4.d5 xc3+ 5.bxc3 f5

Old Indian, Tartakower (Wade) variation

2.f3 g4

Old Indian defence

2.c4

Modern defence

2... g6 3.c3 g7

Pterodactyl defence

4... c5 5.f3 a5

Modern defence, Averbakh system, Randspringer variation

4... f5

Modern defence, Averbakh system, Kotov variation

4... c6

Old Benoni, Franco-Benoni defence

2.d5 e6 3.e4

Old Benoni, Mujannah formation

2.d5 f5

Old Benoni defence (2.d5 Nf6)

2.d5 f6

Woozle defence

3.c3 a5

Old Benoni defence (3.Nf3)

3.f3

Hawk (Habichd) defence

3... c4

Old Benoni defence ( 2...d6)

2.d5 d6

Old Benoni, Schmid's system

3.c3 g6

Semi-Benoni (blockade variation)

3.e4 d6

Queen's pawn, Bronstein gambit

2.g4

Canard opening

2.f4

Paleface attack

2.f3

Blackmar-Diemer gambit

2.f4 d5 3.e4

Gedult attack

2.f3 d5 3.g4

Trompovsky attack (Ruth, Opovcensky opening)

2.g5

Queen's pawn, Torre attack

2... e6 3.g5

Queen's pawn, Torre attack, Wagner gambit

3... c5 4.e4

Queen's pawn, Yusupov-Rubinstein system 

2... e6 3.e3

Doery defence

2... e4

Queen's Indian, Marienbad system

3.g3 b7 4.g2 c5

Queen's Indian, Marienbad system, Berg variation

5.c4 cxd4 6.xd4

King's Indian, Torre attack

3.g5

King's Indian, London system

3.f4

Kevitz-Trajkovich defence

2... c6

Queen's Indian accelerated

2... b6

Budapest, Fajarowicz variation

3.dxe5 e4

Budapest, Fajarowicz, Steiner variation

4.c2

Budapest, Adler variation

4.f3

Budapest, Rubinstein variation

4.f4

Budapest, Alekhine variation

4.e4

Budapest, Alekhine, Abonyi variation

4... xe5 5.f4 ec6

Budapest, Alekhine variation, Balogh gambit

4... d6

Old Indian, Janowski variation

3.c3 f5

Old Indian, Dus-Khotimirsky variation

4.e3 bd7 5.d3

Old Indian, Ukrainian variation, 4.Nf3

4.f3

Benoni defence, Hromodka system

3.d5 d6

Vulture defence

3.d5 e4

Czech Benoni defence

3.d5 e5

Czech Benoni, King's Indian system

4.c3 d6 5.e4 g6

Benko gambit half accepted

4.cxb5 a6

Benko gambit, Zaitsev system

5.c3

Benko gambit, Nescafe Frappe attack

5... axb5 6.e4 b4 7.b5 d6 8.c4

Benko gambit, Nd2 variation

5... xa6 6.c3 d6 7.f3 g6 8.d2

Benko gambit, fianchetto variation

5... xa6 6.c3 d6 7.f3 g6 8.g3

Benko gambit, Ne2 variation

7... xf1 8.xf1 g6 9.ge2

Benko gambit

7... xf1 8.xf1 g6 9.g3

Benko gambit, main line

9... g7 10.g2 O-O 11.f3

Benoni, Uhlmann variation

7.g5

Benoni, Nimzovich (knight's tour) variation

7.d2

Benoni, fianchetto variation

7.g3

Benoni, Mikenas variation

7... g7 8.e5

Benoni, classical without 9.O-O

7... g7 8.e2

Dutch, Spielmann gambit

2.c3 f6 3.g4

Dutch, Manhattan (Alapin, Ulvestad) variation

2.d3

Dutch, Von Pretzel gambit

2... e6 3.g4

Dutch, Korchnoi attack

2.h3

Dutch, Krejcik gambit

2.g4

Dutch, 2.Bg5 variation

2.g5

Dutch defence, Blackburne variation

2... f6 3.g2 e6 4.h3

Dutch defence (2...Nf6 3.Bg2 g6)

2... f6 3.g2 g6

Dutch, Leningrad, Basman system

2... g6 3.g2 g7 4.f3 c6 5.O-O h6

Dutch, Leningrad, Karlsbad variation

2... g6 3.g2 g7 4.h3

Dutch, Balogh defence

2... d6

Dutch, Staunton gambit (2...fxe4)

2... fxe4

Dutch, Staunton gambit, Tartakower variation

3.c3 f6 4.g4

Dutch, Staunton gambit, Alekhine variation

4... g6 5.h4

Dutch, Staunton gambit, Lasker variation

4... g6 5.f3

Dutch, Staunton gambit, Chigorin variation

4... c6

Dutch, Staunton gambit, Nimzovich variation

4... b6

2... g6 3.c3 h6

2... e6

3.c3

3.e4

2... f6

Dutch, Hort-Antoshin system

3... d6 4.g2 c6 5.c3 c7

Dutch, Leningrad variation

3... g6

Dutch defence, Dutch-Indian (Nimzo-Dutch) variation

4... b4+

Dutch-Indian, Alekhine variation

5.d2 e7

Dutch defence, Alekhine variation

6.O-O e4

Dutch, stonewall variation

6.O-O d5

Dutch, stonewall with Nc3 

7.c3

Dutch, stonewall: Chekhover variation

8.c2 e8 9.g5

Dutch, Ilyin-Genevsky, Winter variation

8.e1