Polish Defense
Encyclopedia
The Polish Defense is the name commonly given to one of several sequences of chess
Chess
Chess is a two-player board game played on a chessboard, a square-checkered board with 64 squares arranged in an eight-by-eight grid. It is one of the world's most popular games, played by millions of people worldwide at home, in clubs, online, by correspondence, and in tournaments.Each player...

 opening moves
Chess opening
A chess opening is the group of initial moves of a chess game. Recognized sequences of opening moves are referred to as openings as initiated by White or defenses, as created in reply by Black. There are many dozens of different openings, and hundreds of named variants. The Oxford Companion to...

 characterized by an early ...b5 by Black. The name "Polish Defense" is given by analogy to the so-called Polish Opening (ECO A40), 1.b4. The original line was
1. d4 b5

as played by Alexander Wagner
Alexander Wagner
Alexander Wagner was a Polish chess correspondence master and theoretician.He studied law in Lemberg , playing chess in the Lvov Chess Club...

, a Polish
Poles
thumb|right|180px|The state flag of [[Poland]] as used by Polish government and diplomatic authoritiesThe Polish people, or Poles , are a nation indigenous to Poland. They are united by the Polish language, which belongs to the historical Lechitic subgroup of West Slavic languages of Central Europe...

 player and openings analyst, against Kuhn in the 1913 Swiss Correspondence Championship. Wagner published an analysis of the opening in Deutsches Wochenschach in 1914, when he was living in Stanislau
Ivano-Frankivsk
Ivano-Frankivsk is a historic city located in the western Ukraine. It is the administrative centre of the Ivano-Frankivsk Oblast , and is designated as its own separate raion within the oblast, municipality....

, Galicia, Austria-Hungary
Austria-Hungary
Austria-Hungary , more formally known as the Kingdoms and Lands Represented in the Imperial Council and the Lands of the Holy Hungarian Crown of Saint Stephen, was a constitutional monarchic union between the crowns of the Austrian Empire and the Kingdom of Hungary in...

 (now Ivano-Frankivsk, Ukraine
Ukraine
Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

). Later the name was also applied to
1.d4 Nf6
2.Nf3 b5

and other variants where Black delays playing ...b5 until the second or third move, which are sometimes called the Polish Defense Deferred.

Details

With ...b5, Black tries to take control of c4, but 1.d4 b5 is generally considered dubious after 2.e4, threatening 3.Bxb5. Modern Chess Openings
Modern Chess Openings
Modern Chess Openings is an important reference book on the chess openings, first published in 1911 by the British players Richard Clewin Griffith and John Herbert White...

(MCO-14, 1999) allots two columns to the Polish, commenting that the variants where Black waits and plays 2...b5 instead of 1...b5 are much safer. Earlier editions of MCO give only a single column of analysis and consider only the 2...b5 lines. MCO-9 (1957), states that the Polish "fails because it neglects the centre". That negative verdict was softened in the next edition, MCO-10 (1965), to say that the Polish "neglects the centre, but is not refuted". MCO-12 (1982) retains the "not refuted" assessment and notes that the Polish can result by transposition
Transposition (chess)
A transposition in chess is a sequence of moves that results in a position which may also be reached by another, more common sequence of moves. Transpositions are particularly common in opening, where a given position may be reached by different sequences of moves...

 from the Réti system
Réti Opening
The Réti Opening is a hypermodern chess opening whose traditional or classic method begins with the moves:White plans to bring the d5-pawn under attack from the flank, or entice it to advance to d4 and undermine it later...

. Other judgments have been more harsh. The 1...b5 Polish was deemed "entirely valueless" by I. A. Horowitz
Al Horowitz
Israel Albert Horowitz was a Jewish-American International Master of chess. He was clearly a grandmaster-strength player by present day standards, but he never received the title...

 in 1964.

The Polish is closely related to the St. George Defence (1.e4 a6, usually followed by 2.d4 b5) into which it often transposes. Boris Spassky
Boris Spassky
Boris Vasilievich Spassky is a Soviet-French chess grandmaster. He was the tenth World Chess Champion, holding the title from late 1969 to 1972...

 played 1.d4 b5 against Tigran Petrosian
Tigran Petrosian
Tigran Vartanovich Petrosian was a Soviet-Armenian grandmaster, and World Chess Champion from 1963 to 1969. He was nicknamed "Iron Tigran" due to his playing style because of his almost impenetrable defence, which emphasised safety above all else...

 in the decisive 22nd game of their world championship match in 1966. Spassky equalized, but rejected an opportunity to draw
Draw (chess)
In chess, a draw is when a game ends in a tie. It is one of the possible outcomes of a game, along with a win for White and a win for Black . Usually, in tournaments a draw is worth a half point to each player, while a win is worth one point to the victor and none to the loser.For the most part,...

, as he was behind by a point in the match and with at most three games remaining, he was practically forced to play for a win. Petrosian won the game, thus ensuring retention of his title.

The Polish can be used to combat certain variations of the Réti Opening
Réti Opening
The Réti Opening is a hypermodern chess opening whose traditional or classic method begins with the moves:White plans to bring the d5-pawn under attack from the flank, or entice it to advance to d4 and undermine it later...

 or King's Indian Attack
King's Indian Attack
The King's Indian Attack , also known as the Barcza System , is a chess opening system for White, most notably used by Bobby Fischer. Its typical formation is shown in the diagram to the right....

. In particular, 1.Nf3 Nf6 2.g3 b5 is a fully respectable opening that has been successfully played by former World Champion Anatoly Karpov
Anatoly Karpov
Anatoly Yevgenyevich Karpov is a Russian chess grandmaster and former World Champion. He was the official world champion from 1975 to 1985 when he was defeated by Garry Kasparov. He played three matches against Kasparov for the title from 1986 to 1990, before becoming FIDE World Champion once...

, among others. It prepares to fianchetto
Fianchetto
In chess the fianchetto is a pattern of development wherein a bishop is developed to the second rank of the adjacent knight file, the knight pawn having been moved one or two squares forward....

 Black's queen bishop
Bishop (chess)
A bishop is a piece in the board game of chess. Each player begins the game with two bishops. One starts between the king's knight and the king, the other between the queen's knight and the queen...

 and prevents White from playing the otherwise desirable c4. Note that here 3.e4 would allow 3...Nxe4. White's second move commits him to fianchettoing his king bishop rather than developing it along the f1-a6 diagonal, due to the weakness which would result on the long diagonal.

1...b5 against the English Opening
English Opening
In chess, the English Opening is the opening where White begins:A flank opening, it is the fourth most popular and, according to various databases, anywhere from one of the two most successful to the fourth most successful of White's twenty possible first moves. White begins the fight for the...

is known as the Jaenisch Gambit.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK