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Pomacea bridgesii, common name the spike-topped apple snail or mystery snail, is a South American species of freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Ampullariidae. These snails were most likely introduced to the United States through the aquarium trade.
The puzzle is impossible to complete. A domino placed on the chessboard will always cover one white square and one black square. Therefore, any collection of dominoes placed on the board will cover equal numbers of squares of each color. But any two opposite squares have the same color: both black or both white.
In the game of chess, Indian Defence or Indian Game is a broad term for a group of openings characterised by the moves: . 1. d4 Nf6 [1]. They are all to varying degrees hypermodern defences, where Black invites White to establish an imposing presence in the centre with the plan of undermining and ultimately destroying it.
Some board games, such as chess and Go, use an adjournment mechanism to suspend the game in progress, or at least did so before the advent of computer programs that play that game better than any human. The rationale is that games often extend in duration beyond what is reasonable for a single session of play.
The Bongcloud Attack violates several principles of chess strategy by forgoing castling, impeding the movement of both the queen and the light-squared bishop, leaving the king exposed, and doing nothing to improve White's position. The lack of any redeeming feature, unlike some other dubious openings, puts the Bongcloud well outside of ...
In this chess set, the white pieces are tan in color. In chess, the player who moves first is called White and the player who moves second is called Black. Their pieces are the white pieces and the black pieces. The pieces are often not literally white and black, but usually contrasting light and dark colors.
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However, Alapin's Opening also incurs several problems for White. First, the development of White's light-square bishop, and also of his queen, is blocked, and will require another move of the knight or another pawn move, both of which go against the opening principle to develop the minor pieces quickly. Second, the knight on e2, although ...