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ICCF numeric notation is the official chess notation system of the International Correspondence Chess Federation. The system was devised for use in international correspondence chess to avoid the potential confusion of using algebraic notation , as the chess pieces have different abbreviations depending on language.
The queen is used to keep the king in front of its pawn. The queen is used to prevent the white queen from becoming active. If the queen is on e5 it will draw against a pawn on h7 and queen on g6 or f7 if the black king is in the far corner. The queen is kept active and in a flexible place. It will be more active on c2 than h7.
The chess endgame of a queen versus pawn (with both sides having no other pieces except the kings) is usually an easy win for the side with the queen. However, if the pawn has advanced to its seventh rank it has possibilities of reaching a draw , and there are some drawn positions with the pawn on the sixth rank.
A form of long algebraic notation (without piece names) is also used by the Universal Chess Interface (UCI) standard, which is a common way for graphical chess programs to communicate with chess engines, e.g. e2e4, e1g1 (castling), e7e8q (promotion).
Because it has only four pieces, queen versus rook was one of the first endings to be solved by endgame tablebases. [1] Just after the ending was fully analysed by computers, a challenge was issued to Grandmaster Walter Browne in 1978, where Browne would have the queen in a difficult position, defended by Belle using the queen versus rook ...
Seventh (F), in red, of a G7 dominant seventh chord in C Third inversion G7 chord; the seventh is the bass. In music, the seventh factor of a chord is the note or pitch seven scale degrees above the root or tonal center. [1] When the seventh is the bass note, or lowest note, of the expressed chord, the chord is in third inversion Play ⓘ.
The notation in the rest of this section refers to the version with the colors reversed. Character: Semi-open game. Themes for White: d6 weakness, c4–c5 push, a3–f8 diagonal, queenside pawn storm. Themes for Black: d4 weakness, a1–h8 diagonal, f4-square, kingside attack, trading pieces for a superior endgame.
In the position diagrammed, from the game Carlos Torre–Emanuel Lasker, Moscow 1925, [3] White sacrifices his queen in order to set up the windmill: . 25. Bf6!!. Black must accept the sacrifice, as his own queen is unprotected, 25...g5 26.Qxh6 leads to unstoppable mate on g7 or h8, and any other attempt to stop the windmill would simply give White the queen.