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Complex Openings
Deep variations of main openings, 15–25 blindfold moves.
🎲 Random opening
321 openings available
Sicilian Defense
Sicilian — Taimanov (4...Nc6)
★★★
8 moves
Sicilian — Four Knights
★★★
10 moves
Sicilian — O'Kelly
★★★
4 moves
Sicilian — Classical (5...Nc6)
★★★
10 moves
Sicilian Najdorf - Main Line
★★★
10 moves
Sicilian Dragon
★★★
10 moves
Sicilian Scheveningen
★★★
10 moves
Classical Sicilian
★★★
13 moves
Sicilian Kan/Taimanov
★★★
13 moves
Accelerated Dragon Sicilian
★★★
13 moves
Sicilian — Dragon (5...g6)
★★★★
10 moves
Sicilian — Löwenthal
★★★★
10 moves
Sicilian — Hyper-Accelerated Dragon
★★★★
7 moves
Sicilian — Kalashnikov
★★★★
8 moves
Sicilian — Najdorf (5...a6)
★★★★
10 moves
Sicilian — Scheveningen (5...e6)
★★★★
10 moves
Sicilian — Sveshnikov (5...e5)
★★★★
10 moves
Sicilian — Kan (4...a6)
★★★★
8 moves
Sicilian — Accelerated Dragon
★★★★
8 moves
Sicilian Sveshnikov
★★★★
12 moves
Sicilian - English Attack (6.Be3)
★★★★
15 moves
Sicilian — Scheveningen Keres Attack
★★★★★
11 moves
Sicilian — Richter-Rauzer
★★★★★
11 moves
Sicilian — Najdorf English Attack (6.Be3)
★★★★★
11 moves
Sicilian — Najdorf Poisoned Pawn
★★★★★
14 moves
Sicilian — Pin Variation (Sicilian Pin)
★★★★★
10 moves
Sicilian — Najdorf Fischer-Sozin (6.Bc4)
★★★★★
11 moves
Sicilian — Yugoslav Dragon
★★★★★
13 moves
Grünfeld Defense
Grünfeld — 5.Bd2 (Rare)
★★★
10 moves
Grünfeld — 5.e3 System
★★★
10 moves
Grünfeld — 4.Bf4 (Early)
★★★
8 moves
Grünfeld - Main Line
★★★
6 moves
Grünfeld - Exchange Variation
★★★
13 moves
Grünfeld - Fianchetto Variation
★★★
13 moves
Grünfeld - Neo-Grünfeld (1.Nf3)
★★★
13 moves
Grünfeld - Defense with c6
★★★
14 moves
Grünfeld — Grünfeld Gambit (4.cxd5 Nxd5 5.Bd2)
★★★★
12 moves
Grünfeld — Exchange 8.Rb1
★★★★
15 moves
Grünfeld — Exchange Modern
★★★★
17 moves
Grünfeld — Russian Smyslov (7...Na6)
★★★★
14 moves
Grünfeld — Exchange Variation (Main Line)
★★★★
12 moves
Grünfeld — Russian System (5.Qb3)
★★★★
9 moves
Grünfeld — Bf4 Variation (Hungarian Line)
★★★★
11 moves
Grünfeld — Fianchetto (5.g3)
★★★★
11 moves
Grünfeld — Main Exchange (Nf3)
★★★★
14 moves
Grünfeld — Anti-Grünfeld (4.Bg5)
★★★★
8 moves
Grünfeld — Russian Prins (7...Bg4)
★★★★
14 moves
Grünfeld — Exchange 7.Be3
★★★★
13 moves
Grünfeld — 4.Qb3 (Attack Line)
★★★★
9 moves
Grünfeld — Taimanov (7.Bc4)
★★★★
16 moves
Grünfeld - Russian System
★★★★
13 moves
Grünfeld — Hungarian Attack
★★★★★
13 moves
Grünfeld — Russian Hungarian (6...a6)
★★★★★
12 moves
Grünfeld — Exchange Seville (Ne2)
★★★★★
20 moves
Ruy Lopez
Ruy Lopez — Closed Main Line (Morphy)
★★★
13 moves
Ruy Lopez — Berlin Defense
★★★
6 moves
Ruy Lopez — Cozio Defense
★★★
6 moves
Ruy Lopez — Classical Defense
★★★
6 moves
Ruy Lopez — Steinitz Deferred
★★★
8 moves
Ruy Lopez — Worrall Attack
★★★
9 moves
Ruy Lopez — Bird's Defense
★★★
6 moves
Ruy Lopez — Delayed Exchange
★★★
11 moves
Ruy Lopez — Steinitz Defense (Classical)
★★★
6 moves
Ruy Lopez - Morphy Defense
★★★
15 moves
Ruy Lopez - Berlin Defense
★★★
12 moves
Ruy Lopez - Open Variation
★★★
16 moves
Ruy Lopez - Anti-Marshall (8.a4)
★★★
15 moves
Closed Ruy Lopez
★★★
17 moves
Ruy López — Open Defense
★★★★
10 moves
Ruy Lopez — Chigorin Variation
★★★★
22 moves
Ruy Lopez — Møller (Modern Arkhangelsk)
★★★★
12 moves
Ruy López — Marshall Attack
★★★★
16 moves
Ruy Lopez — Zaitsev Variation
★★★★
20 moves
Ruy Lopez — Breyer Variation
★★★★
20 moves
Ruy Lopez — Schliemann Defense (Jaenisch)
★★★★
6 moves
Ruy Lopez — Anti-Marshall with 8.a4
★★★★
15 moves
Ruy Lopez — Smyslov (9...h6)
★★★★
18 moves
Ruy Lopez — Arkhangelsk
★★★★
12 moves
Ruy Lopez - Marshall Attack
★★★★
16 moves
Queen's Gambit
Queen's Gambit Accepted — Mannheim Variation (Qa4+)
★★★
7 moves
Queen's Gambit — Exchange Variation
★★★
8 moves
Queen's Gambit — Accepted (QGA)
★★★
7 moves
Queen's Gambit Accepted — Classical
★★★
9 moves
Queen's Gambit — Baltic Defense
★★★
4 moves
Queen's Gambit — Marshall Defense
★★★
4 moves
Queen's Gambit Declined — Orthodox
★★★
8 moves
Queen's Gambit Declined - Orthodox
★★★
12 moves
Slav Defense
★★★
12 moves
Semi-Slav
★★★
13 moves
Queen's Gambit - Tarrasch Variation
★★★
13 moves
Queen's Gambit - Cambridge Springs Variation
★★★
12 moves
Queen's Gambit — Tartakower Defense
★★★★
14 moves
Queen's Gambit — Ragozin Defense
★★★★
8 moves
Queen's Gambit — Lasker Defense
★★★★
14 moves
Queen's Gambit — Slav Defense
★★★★
8 moves
Queen's Gambit — Semi-Slav
★★★★
8 moves
Queen's Gambit — Cambridge Springs
★★★★
12 moves
Queen's Gambit — Moscow Variation (Anti-Meran)
★★★★
9 moves
Queen's Gambit Accepted — Alekhine System
★★★★
6 moves
Queen's Gambit — Slav Main Line (Dutch)
★★★★
10 moves
Queen's Gambit Accepted — Central Variation (3.e4)
★★★★
5 moves
Queen's Gambit — Albin Countergambit
★★★★
4 moves
Queen's Gambit — Chigorin Defense
★★★★
4 moves
Queen's Gambit — Meran Variation
★★★★★
14 moves
King's Indian Defense
King's Indian — Exchange Variation
★★★
15 moves
King's Indian — Defense with ...c6
★★★
12 moves
King's Indian — Four Knights System
★★★
8 moves
King's Indian — 5.Bd3 Variation
★★★
9 moves
King's Indian Defense - Classical
★★★
14 moves
King's Indian — Gligoric Variation (6...Nbd7)
★★★★
12 moves
King's Indian — Four Pawns Attack
★★★★
11 moves
King's Indian — Classical Fianchetto (...e5)
★★★★
14 moves
King's Indian — Sämisch Panno
★★★★
12 moves
King's Indian — Yugoslav Fianchetto (...c5)
★★★★
12 moves
King's Indian — Sämisch Variation (5.f3)
★★★★
11 moves
King's Indian — Averbakh Variation
★★★★
11 moves
King's Indian — Classical Variation
★★★★
12 moves
King's Indian — Fianchetto Variation
★★★★
11 moves
King's Indian — Fianchetto Panno
★★★★
12 moves
King's Indian — Petrosian System
★★★★
13 moves
King's Indian — Makogonov Variation (h3)
★★★★
11 moves
King's Indian Defense - Mar del Plata
★★★★
16 moves
King's Indian — Modern Benoni (Four Pawns + c5)
★★★★★
10 moves
King's Indian — Bayonet Attack (9.b4)
★★★★★
17 moves
King's Indian — Mar del Plata
★★★★★
16 moves
King's Indian — Sämisch with ...e5
★★★★★
12 moves
Pirc Defense
Pirc — Classical with 5.Be2
★★★
9 moves
Pirc — 4.Bc4
★★★
7 moves
Pirc — Classical System
★★★
8 moves
Pirc — Classical with Kingside Castling
★★★
11 moves
Pirc — Modern Defense (1...g6)
★★★
6 moves
Pirc — 4.g3
★★★
7 moves
Pirc — Anti-Pirc (2.Nf3)
★★★
6 moves
Pirc — Classical with 5.h3
★★★
9 moves
Pirc — Two Knights
★★★
7 moves
Pirc — 150 Attack (4.Be3)
★★★
10 moves
Pirc — Czech Defense (3...c6)
★★★
6 moves
Pirc — Classical with ...e5
★★★
12 moves
Pirc — Be2 with ...Bg4
★★★
12 moves
Pirc Defense - Austrian Attack
★★★
12 moves
Pirc — Austrian Attack (4.f4)
★★★★
10 moves
Pirc — Sämisch Variation (4.f3)
★★★★
7 moves
Pirc — Byrne Variation (4.Bg5)
★★★★
7 moves
Pirc — Austrian Attack, Kavalek (5...c5)
★★★★
10 moves
Pirc — Austrian Attack with O-O
★★★★
11 moves
Pirc — Austrian Attack with ...Nc6
★★★★
10 moves
Pirc — Austrian Attack with ...c6
★★★★
10 moves
Caro-Kann Defense
Caro-Kann — Fantasy Variation (3.f3)
★★★
8 moves
Caro-Kann — Accelerated Panov (2.c4)
★★★
8 moves
Caro-Kann — King's Indian Attack (KIA, 2.d3)
★★★
6 moves
Caro-Kann — Two Knights, ...Bg4
★★★
6 moves
Caro-Kann — Two Knights, ...dxe4
★★★
8 moves
Caro-Kann — Advance, Tal Variation (4.h4)
★★★
8 moves
Caro-Kann — Modern Variation / Smyslov-Karpov (4...Nd7)
★★★
10 moves
Caro-Kann — Tartakower / Korchnoi Variation (5...exf6)
★★★
10 moves
Caro-Kann — Advance, Short Variation
★★★
10 moves
Classical Caro-Kann
★★★
19 moves
Caro-Kann - Advance Variation
★★★
12 moves
Caro-Kann - Panov-Botvinnik
★★★
14 moves
Caro-Kann - Fantasy Variation (3.f3)
★★★
11 moves
Caro-Kann - Bronstein-Larsen Variation
★★★
13 moves
Caro-Kann — Fantasy, Maróczy (3...e6)
★★★★
8 moves
Caro-Kann — Gurgenidze System (3...g6)
★★★★
6 moves
Caro-Kann — Advance, Botvinnik-Carls (3...c5)
★★★★
8 moves
Caro-Kann — Classical, Main Line (up to 7...Nd7)
★★★★
14 moves
Caro-Kann — Panov with 5...Nc6
★★★★
10 moves
Caro-Kann — Bronstein-Larsen Variation (5...gxf6)
★★★★
10 moves
Caro-Kann — Panov-Botvinnik Attack (Main Line)
★★★★
10 moves
Catalan Opening
Catalan — Closed (4...Be7)
★★★
8 moves
Catalan — Main Line with Nf3 and Castling
★★★
11 moves
Catalan — 4...c6 (Hybrid Slav)
★★★
9 moves
Catalan — Closed Bogoljubov
★★★
12 moves
Catalan — 3.Nf3 (Delayed Catalan)
★★★
9 moves
Catalan — Closed ...Nbd7 Main Line
★★★
13 moves
Catalan Opening
★★★
13 moves
Catalan — Closed with Late ...dxc4
★★★★
13 moves
Catalan — Open with ...c5
★★★★
11 moves
Catalan — Open with ...Nc6
★★★★
10 moves
Catalan — Main Open (7.Qc2)
★★★★
13 moves
Catalan — Open with ...Bb4+
★★★★
11 moves
Catalan — Closed Smyslov
★★★★
14 moves
Catalan — Anti-Catalan (4...Bb4+)
★★★★
7 moves
Catalan — 4...c5 (Hybrid Tarrasch)
★★★★
9 moves
Catalan — Open Classical 6.O-O
★★★★
12 moves
Catalan — Open (4...dxc4)
★★★★
8 moves
Catalan — 4.Nf3 Bb4+ (Bogo-Indian)
★★★★
11 moves
Catalan — Open 5.Qa4+
★★★★
9 moves
Catalan — Open, Keres Defense
★★★★
10 moves
Catalan — Open with ...a6
★★★★
10 moves
Nimzo-Indian Defense
Nimzo-Indian — Rubinstein Variation (4.e3)
★★★
8 moves
Nimzo-Indian — 4.Nf3 Variation
★★★
7 moves
Nimzo-Indian — 4.Bd2 Variation
★★★
7 moves
Nimzo-Indian — Qb3 Variation
★★★
7 moves
Nimzo-Indian — Kmoch Variation
★★★
8 moves
Nimzo-Indian Defense
★★★
12 moves
Nimzo-Indian — Classical with ...d5
★★★★
8 moves
Nimzo-Indian — Leningrad Variation (4.Bg5)
★★★★
8 moves
Nimzo-Indian — Sämisch Variation (4.a3)
★★★★
10 moves
Nimzo-Indian — Rubinstein Taimanov (...Nc6)
★★★★
8 moves
Nimzo-Indian — Classical with ...c5
★★★★
8 moves
Nimzo-Indian — Classical with ...Nc6
★★★★
8 moves
Nimzo-Indian — Sämisch with ...b6
★★★★
10 moves
Nimzo-Indian — Sämisch, Keres (...d5)
★★★★
10 moves
Nimzo-Indian — Modern Rubinstein (5.Bd3)
★★★★
9 moves
Nimzo-Indian — Ragozin via Nimzo
★★★★
8 moves
Nimzo-Indian — 4.f3 Variation
★★★★
7 moves
Nimzo-Indian — Hübner System
★★★★
14 moves
Nimzo-Indian — Classical Variation (4.Qc2)
★★★★
8 moves
Nimzo-Indian — Mikenas Variation (Qb3 c5)
★★★★
8 moves
Nimzo-Indian — Rubinstein with ...b6
★★★★
8 moves
French Defense
French — Advance Variation (3.e5)
★★★
6 moves
French — Burn (4...dxe4)
★★★
8 moves
French — Open Tarrasch (3...c5)
★★★
8 moves
French — Tarrasch Closed (3...Nf6)
★★★
6 moves
French — Chigorin Variation (2.Qe2)
★★★
4 moves
French — KIA (King's Indian Attack)
★★★
10 moves
French — Wing Gambit (2.b4)
★★★
3 moves
French — Classical Steinitz (4.e5)
★★★
8 moves
French — Fort Knox (4...Bd7)
★★★
8 moves
French — Tarrasch Variation (3.Nd2)
★★★
6 moves
French — Rubinstein (3...dxe4)
★★★
6 moves
French Defense - Advance Variation
★★★
11 moves
French Defense - Winawer
★★★
12 moves
French — Classical Korchnoi (4.Bg5 Be7)
★★★★
8 moves
French — Milner-Barry Gambit
★★★★
11 moves
French — Winawer Variation (3...Bb4)
★★★★
6 moves
French — McCutcheon (4...Bb4)
★★★★
8 moves
French — Winawer Armenian (6...Nc6)
★★★★
12 moves
French — Winawer with ...Qa5
★★★★
12 moves
French — Alekhine-Chatard Attack (6.h4)
★★★★★
11 moves
French — Winawer Poisoned Pawn
★★★★★
14 moves
1.e4 Systems
1.e4 System — Closed Anti-Sicilian (2.Nc3)
★★★
8 moves
1.e4 System — King's Indian Attack (KIA)
★★★
9 moves
1.e4 System — Rossolimo Attack (Anti-Sicilian)
★★★
5 moves
1.e4 System — Alapin Variation (c3)
★★★
6 moves
1.e4 System — Moscow Attack (3.Bb5+ vs Sicilian)
★★★
5 moves
1.e4 System — Modern Scandinavian (3...Qa5)
★★★
6 moves
1.e4 System — Caro-Kann Advance (3.e5)
★★★
5 moves
1.e4 System — Fantasy Attack (against the Caro-Kann)
★★★
5 moves
1.e4 System — Modern (1...g6)
★★★
7 moves
1.e4 System — Modern Ponziani
★★★
7 moves
1.e4 System — Pirc with 4.Be3
★★★
7 moves
1.e4 System — Grand Prix
★★★
5 moves
1.e4 System — Vienna
★★★
5 moves
1.e4 System — Classical Caro-Kann
★★★
8 moves
1.e4 against 1...e6: French Defense
★★★
12 moves
1.e4 against 1...c6: Caro-Kann Defense
★★★
13 moves
1.e4 System — Alekhine (counterattack)
★★★★
9 moves
1.e4 System — Smith-Morra (Gambit)
★★★★
7 moves
1.e4 System — Caro-Kann Panov-Botvinnik
★★★★
7 moves
1.e4 System — King's Gambit
★★★★★
4 moves
Scotch Game
Scotch — 5.Nb3
★★★
9 moves
Scotch Four Knights
★★★
10 moves
Scotch — Mieses Variation (5.Nxc6)
★★★
11 moves
Scotch — 4...Qf6 (Paulsen Defense)
★★★
8 moves
Scotch — Malaniuk Variation
★★★
10 moves
Scotch — Potter Attack
★★★
11 moves
Scotch — 4...Nxd4 (Knight Defense)
★★★
9 moves
Scotch — 4.Nxd4 Bb4+
★★★
9 moves
Scotch — Berlin Defense (4...Nf6)
★★★
9 moves
Scotch — Classical (4...Bc5)
★★★
8 moves
Scotch — Schmidt (5.Nxc6 bxc6)
★★★
10 moves
Scotch Game
★★★
13 moves
Scotch — Scotch Gambit
★★★★
7 moves
Scotch — Göring Gambit
★★★★
7 moves
Scotch — Scotch Gambit Accepted
★★★★
8 moves
Scotch — Tartakower Variation
★★★★
15 moves
Scotch — Steinitz (4...Qh4)
★★★★
8 moves
Scotch — Göring Accepted
★★★★★
9 moves
Scotch — Danish Gambit
★★★★★
9 moves
Italian Game
Italian — Evans Declined
★★★
8 moves
Italian — Two Knights (Two Knights Defense)
★★★
6 moves
Italian — Ponziani
★★★
5 moves
Italian — Modern Giuoco Piano
★★★
11 moves
Italian — Greco Variation
★★★
9 moves
Italian Game — Rosentreter Variation
★★★
9 moves
Italian — Italian Scotch Gambit
★★★
7 moves
Italian — Canal-Sokolsky (Minor Piece Attack)
★★★
8 moves
Italian — Fegatello Avoided
★★★
11 moves
Italian — Calabrese Attack
★★★
11 moves
Giuoco Piano - Main Line
★★★
15 moves
Evans Gambit
★★★
13 moves
Italian Game — Evans Gambit
★★★★
7 moves
Italian — Fried Liver Attack
★★★★
11 moves
Italian — Max Lange Attack
★★★★
11 moves
Italian — Møller Attack (Open Line)
★★★★
12 moves
Italian — Italian Scotch Gambit
★★★★
8 moves
Italian — Traxler (Wilkes-Barre)
★★★★★
8 moves
London System
London — Jobava London (2.Nc3)
★★★
7 moves
London — Variation with Nbd2
★★★
11 moves
London — Against the Benoni (...c5)
★★★
5 moves
London — Against the King's Indian (Anti-KID)
★★★
8 moves
London — Against QGD Setup (...e6 + ...Bd6)
★★★
9 moves
London — Against the Grünfeld (...g6 + ...d5)
★★★
8 moves
London — Against the Dutch (...f5)
★★★
3 moves
London — Modern Attack (Bf4 + Bd3)
★★★
9 moves
London — System with Ne5
★★★
13 moves
London against an Early c5
★★★
13 moves
London against Bf5
★★★
13 moves
London - Kingside Attack
★★★
17 moves
London with Queenside Castling
★★★
13 moves
London — Against ...Qb6 (Mertens Attack)
★★★★
8 moves
London — Jobava vs KID Setup
★★★★
5 moves
London — Jobava Anti-Dutch
★★★★
3 moves
London — Qb3 Anti-Qb6
★★★★
11 moves
London — Jobava with d5 + c5
★★★★
7 moves
English Opening
English — Keres-Parma Variation
★★★
4 moves
English — Closed System
★★★
8 moves
English — Four Knights Variation
★★★
6 moves
English — Reversed Sicilian
★★★
8 moves
English — Anglo-Slav
★★★
2 moves
English — Anglo-Dutch Defense
★★★
2 moves
English — Anglo-Indian Defense
★★★
4 moves
English — Symmetrical Four Knights
★★★
6 moves
English — Réti-English Hybrid
★★★
3 moves
English — Bremen System
★★★
5 moves
English — Anglo-Grünfeld
★★★★
4 moves
English — Mikenas-Carls Attack
★★★★
5 moves
English — Botvinnik System
★★★★
10 moves
English — Hedgehog Defense
★★★★
10 moves
English — Nimzo-English Variation
★★★★
6 moves