Sicilian Defense: Najdorf Variation, Amsterdam Variation (B93)
B93 · Chess Openings Reference Guide
Openings Directory
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Sicilian Defense: Najdorf Variation
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Sicilian Defense: Najdorf Variation, Amsterdam Variation
Target Position
Engine Eval:
+0.10
Master Game Statistics
Based on master-level chess games in the database.
White Wins: 37.9%
Draws: 34.5%
Black Wins: 27.6%
Strategic Overview
The Sicilian Defense: Najdorf Variation, Amsterdam Variation (ECO code B93) is a key chess opening. From the starting board position, it is defined by the following move sequence:
Move Sequence (SAN)
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4
UCI Move Path
e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4
Repertoire Training
Import this opening directly into your client-side repertoires to drill or review using spaced repetition.
Internal Navigation
Parent Opening
This line is a variation of the main parent opening:
Sicilian Defense: Najdorf Variation (B90)Sub-variations & Next Lines
Select a variation to view specific move paths, engine evaluations, and stats:
B34
Sicilian Defense: Accelerated Dragon
B36
Sicilian Defense: Accelerated Dragon, Maroczy Bind
B39
Sicilian Defense: Accelerated Dragon, Maroczy Bind, Gurgenidze Variation
B35
Sicilian Defense: Accelerated Dragon, Modern Variation
B22
Sicilian Defense: Alapin Variation
B22
Sicilian Defense: Alapin Variation, 2...Nf6
B22
Sicilian Defense: Alapin Variation, Barmen Defense
B56
Sicilian Defense: Classical Variation
B59
Sicilian Defense: Classical Variation, Boleslavsky Variation
B57
Sicilian Defense: Classical Variation, Sozin Attack
B23
Sicilian Defense: Closed Variation
B25
Sicilian Defense: Closed Variation, Fianchetto Line
B70
Sicilian Defense: Dragon Variation
B72
Sicilian Defense: Dragon Variation, Classical Variation
B71
Sicilian Defense: Dragon Variation, Levenfish Attack
B75
Sicilian Defense: Dragon Variation, Yugoslav Attack
B77
Sicilian Defense: Dragon Variation, Yugoslav Attack, 9.Bc4
B76
Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line
B23
Sicilian Defense: Grand Prix Attack
B27
Sicilian Defense: Hyperaccelerated Dragon
B32
Sicilian Defense: Kalashnikov Variation
B42
Sicilian Defense: Kan Variation
B43
Sicilian Defense: Kan Variation, Knight Variation
B41
Sicilian Defense: Kan Variation, Maroczy Bind
B42
Sicilian Defense: Kan Variation, Modern (5.Bd3)
B21
Sicilian Defense: McDonnell Attack (2.f4)
B51
Sicilian Defense: Moscow Variation (Canal Attack)
B52
Sicilian Defense: Moscow Variation, Main Line
B90
Sicilian Defense: Najdorf Variation
B98
Sicilian Defense: Najdorf Variation, Browne Variation
B90
Sicilian Defense: Najdorf Variation, English Attack
B87
Sicilian Defense: Najdorf Variation, Fischer-Sozin Attack
B96
Sicilian Defense: Najdorf Variation, Main Line (6.Bg5)
B92
Sicilian Defense: Najdorf Variation, Opocensky Variation
B97
Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation
B91
Sicilian Defense: Najdorf Variation, Zagreb (Fianchetto) Variation
B60
Sicilian Defense: Richter-Rauzer Variation
B62
Sicilian Defense: Richter-Rauzer Variation, 6...e6
B66
Sicilian Defense: Richter-Rauzer Variation, Main Line
B30
Sicilian Defense: Rossolimo Variation
B31
Sicilian Defense: Rossolimo Variation, Fianchetto Line
B80
Sicilian Defense: Scheveningen Variation
B84
Sicilian Defense: Scheveningen Variation, Classical Variation
B80
Sicilian Defense: Scheveningen Variation, English Attack
B81
Sicilian Defense: Scheveningen Variation, Keres Attack
B83
Sicilian Defense: Scheveningen Variation, Modern (6.Be2)
B21
Sicilian Defense: Smith-Morra Gambit
B21
Sicilian Defense: Smith-Morra Gambit Accepted
B33
Sicilian Defense: Sveshnikov Variation
B33
Sicilian Defense: Sveshnikov Variation, Chelyabinsk Variation
B33
Sicilian Defense: Sveshnikov Variation, Novosibirsk Variation
B44
Sicilian Defense: Taimanov Variation
B47
Sicilian Defense: Taimanov Variation, Bastrikov Variation
B48
Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack
B45
Sicilian Defense: Taimanov Variation, Four Knights Variation