Tuesday, July 3, 2012

Opening Categories

Just picked up the new Mastering Opening Strategy by Johan Hellsten. Judging by the first half of the first chapter, it's quite good.

One thing it has, in the back, is a section on building an opening repertoire. In that section are two tables which I will take the liberty of reproducing here. If you like this - go buy the book. It covers what you need to know about the openings - HOW to conduct them, not just memorizing a crapload of variations.

So, first table: Openings with structural similarities.

Openings and defencesFactors in common
Slav, Caro-Kann, Scandinavian, Torre, LondonPawn Structure, queen's bishop outside the chain
Dutch Stonewall, French, Open SpanishPawn structure, opposing pawns in the center
Benoni, Pirc, Closed SpanishPawn structure, dark square play
Nimzo-Indian, Queen's Indian, Bogo-Indian, Sicilian Scheveningen, Taimanov, and KanPawn structure, queenside fianchetto
King's Indian, Pirc, Modern, Sicilian DragonPawn structure, kingside fianchetto
Queen's Gambit Accepted, PetroffPawn structure, open game
Grunfeld, Catalan (some lines)Pawn structure, kingside fianchetto
Sicilian Dragon Accelerated, English w/ g3, Symmetrical English (as Black)Pawn structure, kingside fianchetto
Sicilian Rossolimo, English w/ 1...e5 and ...Bb4Pawn structure
Colle, Semi-SlavPawn structure
King's Indian Attack, King's Indian, Pirc, Old IndianPawn structure
Tarrasch, Petroff, Sicilian Alapin, Queen's Gambit Accepted, Caro-Kann Panov AttackPawn structure

Okay, that groups the openings together by their typical pawn structures. Now, openings with similar "styles."

Openings and defencesFactors in common
Queen's Gambit Accepted, Petroff, Spanish Berlin, Sicilian Alapin, Spanish Exchange, French TarraschSolidity, piece exchanges, endgame perspective
King's Indian, Sicilian Dragon, Dutch Leningrad, French 3 Nc3, Open SicilianAggressiveness, closed or semi-open positions
Semi-slav, Spanish Marshall, Archangel, and Schliemann, Car-Kann w/ 3f3, Open SicilianAggressiveness, open or semi-open positions
French, King's Indian, Czech BenoniClosed positions, pawn chain battle
Queen's Gambit Declined, FrenchSolidity, closed positions
Dutch Stonewall, Sicilian SveshnikovWeak points, activity
Sicilian Najdorf, Grunfeld, Sicilian Dragon, Semi-Slav BotvinnikTheoretical battle, sharp play
Nimzo-Indian, French Winawer, Sicilian Rossolimo, English w/ 1...e5 and ...Bb4Surrender of the king's bishop, doubled enemy pawns
Catalan, Benko Gambit, other gambitsPawn sacrifices, activity
Sicilian Scheveningen, Kan and Taimanov, Alekhine, Pirc, English HedgehogSpace disadvantage, flexibility, few piece exchanges
Trompowsky, ChigorinSurrender of the queen's bishop, imbalanced play
King's Indian Samisch, Classical Nimzo-IndianSpace advantage, slow

So, if you're looking for a new opening, choosing something within the same group might prove easier to learn and play effectively.

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