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Opposition along a diagonal is called diagonal opposition. Sometimes diagonal opposition is used to achieve direct opposition. An example is the position in the first diagram, with Black to move. White has the direct opposition in this position, but it does him no good because his king cannot attack the black pawn after the black king moves away.
By playing 1.g3, White prepares to fianchetto the king's bishop on the long diagonal and also to push e4, since the fianchettoed bishop supports that square. White can also transpose into the King's Indian Attack by playing Nf3, then castling kingside.
In 1895, Edward Freeborough edited an entire 130-page book of analysis of this endgame, titled The Chess Ending, King & Queen against King & Rook. [4]Because it has only four pieces, queen versus rook was one of the first endings to be solved by endgame tablebases. [1]
A chess piece, or chessman, is a game piece that is placed on a chessboard to play the game of chess. It can be either white or black , and it can be one of six types: king , queen , rook , bishop , knight , or pawn .
In chess, the fianchetto (English: / ˌ f i ə n ˈ k ɛ t oʊ / or / ˌ f i ə n ˈ tʃ ɛ t oʊ /; [1] Italian: [fjaŋˈketto] "little flank") is a pattern of development wherein a bishop is developed to the second rank of the adjacent b- or g-file, the knight pawn having been moved one or two squares forward.
and now the triangulation is complete and we have the same position but with Black to move. White has gained the opposition and Black is now in zugzwang. There may follow: 3... Kc8 4. Ke6! (diagonal opposition) Kd8 5. Kd6 (vertical opposition) Kc8 6. Ke7 Kb8 7. Kd7 Ka8 8. c6. and White will win. [2] (There are other ways for White to win after ...
Draws are possible with more pawns. This is an example of a drawing fortress with opposite-colored bishops when three pawns behind. White simply keeps his bishop on the h3 to c8 diagonal. [25] (See Fortress (chess)#Opposite-colored bishops.) Positions with three pawns versus none are wins 90% of the time. [26]
This glossary of chess explains commonly used terms in chess, in alphabetical order.Some of these terms have their own pages, like fork and pin.For a list of unorthodox chess pieces, see Fairy chess piece; for a list of terms specific to chess problems, see Glossary of chess problems; for a list of named opening lines, see List of chess openings; for a list of chess-related games, see List of ...