Fool's Mate received its name because it can only occur if White commits an extraordinary blunder.Even among rank beginners, this checkmate almost … In the diagram, Black's pawn has just moved from c7 to c5, landing it directly next to White's pawn on d5. This website uses cookies to improve your experience while you navigate through the website. But opting out of some of these cookies may affect your browsing experience. [Result "*"] This special move makes the otherwise weak pawn into a serious threat to your opponent. If you found value in this article, it would mean a lot to me to share it with your close ones. Worry no more! When the two-square-pawn move was added to speed up the opening phase of the game, players noticed that the pawn could now sneak by an enemy pawn on an adjacent—something that was never possible when pawns plodded along at one square per move. If White wishes, he may capture Black's pawn by moving his pawn to c6, capturing the pawn as though it had only moved one square. If any of these castling requirements are not met then, castling cannot be performed. The opponent must move a pawn two squares, landing the pawn directly alongside the capturing pawn on the fifth rank. You can check my other articles about strategies and reviews of chess sets. You can check below that a player cannot promote his pawn to a Queen because the game will end in a draw due to a stalemate. This move allows you to do two important things all in one move: get your king to safety (hopefully), and get your rook out of the corner and into the game. The diagram illustrates how en passant works. (Then you'll get acquainted with all the many rules that govern pairings, a chess clock, The "Touch Move" Rule, the rules that govern recording a chess game in a tournament, etc.) So, if you are wondered to know these special and exceptional moves in chess, then you’ll love this chapter. I would like to read your opinion in the comment section. Notice that It’s a French phrase that means ‘in passing’ or even better ‘as it passes’. More broadly, though, an opening refers to the first phase of a chess game, as distinguished from the middlegame and endgame. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. If a player promotes the pawn to any other piece but a Queen then, an underpromotion is taking place. *, [Result "*"] [SetUp "1"] What are the Best Chess Opening Moves? There are two kinds of castling in chess, the kingside castling, and the queenside castling depending on the side where the King moves. Finally, move your Queen on the diagonal to h5, where you will have your opponent’s King checkmated without having captured a single piece. Castling. All of the squares between the king and the rook must be empty to the castle. If you are new to chess then, you will probably have many questions about chess. Castling queenside leaves the king on the c-file, while the rook moves to the d-file. Special chess moves are known to experienced chess players. However, there are a few special chess rules – or laws of chess – that you need to know before you start to play competitively. Chess is 99% a tactical story! If your opponent moves a pawn 2 spaces on the first move, you can still take the pawn as if it moved only one space. When I was learning about castling I created a method to remember who many squares each piece moves. Castling is one of the most known and important moves in chess. The solution was en passant, a move that allows a pawn that has moved two squares to be captured as though it had only moved one. Castling kingside is more common and leaves the king on the g-file while the rook moves to the f-file. The pawn is also involved in the two special moves en passant and promotion. There are only 3, (THREE); at least until you decide to play in a tournament. Special moves in Chess (Castling and En Passant) Castling is the one move in chess where you can move two of your own pieces! Queens move diagonally, horizontally, or vertically any number of squares. Promotions are an important part of the game and you should be able to use them to your advantage. Nf3, Nc6; … However, there are some special chess moves that not everyone knows that exist. *, [Result "*"] On both of them, the King moves two squares either to the left (queenside) or right (kingside). The following conditions must all be present for an en passant capture to be legal: If all those conditions are met, an en passant capture is possible. The four best chess opening moves for White are 1.e4, 1.d4, 1.c4 and 1.Nf3; The best chess openings after 1.e4 are the Ruy Lopez, the Italian, the Sicilian Defense, the French Defense, and the Caro Kann. The key thing to remember is that the King is a more lazy piece and has less mobility than the Rooks. 7 Must-Know Chess Rules Chess Rule #1: Touch move If you’re thinking of entering an over the board tournament, you must, must, must understand the touch move rule. Using "Special Moves" in Your Chess Game ; By FM Todd Andrews Dec 24, 2012 7761 Views 9 minutes ; FM MusicCityMaster, aka Coach Todd, returns to show us some tricky endgame positions where the knowledge of when to use -- and when NOT to use! [SetUp "1"] This type of castling is also Since the queen is the most powerful piece, promotion is for a queen. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. There are various special moves in chess other than the basic ones that have a lot of exceptions to these basic moves of some chess pieces. [SetUp "1"] This special move is the only time you can move two pieces in the same turn. En passant can be tricky for beginner players to grasp. This chess move has been invented in the 1500´s to help speeding up the game and improving balance of the offense and defense. Players hardly ever underpromote and when that happens, they choose a Knight because it can move in a way that a Queen is not able to move. These cookies will be stored in your browser only with your consent. The en passant rule is a special pawn capturing move in chess. to click on the arrows or on the notation to see how this works. Necessary cookies are absolutely essential for the website to function properly. I have written many articles for people who are making their first steps in chess, like the conditions of the draw in chess. This is a special chess move that many people are not familiar with it. (See the example below.) O-O O-O {This is a kingside castling performed by both White and Black. This is the only situation in which you would move two of your own chess pieces in the same move. Before the 15th century, most people played by rules that didn't allow pawns to move two squares on their first move. Underpromotion to a Rook or a Bishop seems not a sensible option because a Queen can perform the moves of both pieces but players have to do it in order to avoid a stalemate (you can check what a stalemate is here). There are some conditions that must not be violated. To me, that is a serious problem because it can limit a player’s performance in chess. It moves to the captured piece's square and replaces it. Click on the arrows or the notation to see it in action. Combination. How Chess Pieces Move Kings move one square in any direction, so long as that square is not attacked by an enemy piece. 2. exd6 {After the capture, the white pawn moves at d6, the square that the Learn how your comment data is processed. [SetUp "1"] -- the special moves in chess can make all the difference. It has received many great reviews and its the perfect book for beginners. Move the king two squares toward the rook. If you don’t like reading, there are video courses that will give you condensed knowledge and not unnecessary information. But once the basics are learned, there are three special moves in chess that need to be learned and understood—two involving the pawn, and one unusual move that involves both the rook (castle) and the king. Beginning chess players quickly learn the basic moves allowed by each piece and the fundamentals of capturing enemy pieces. You can notice in the following example that the white King protects the white pawn that is about to promote. If you are struggling to win in chess, it’s a great way to rapidly improve your skills and learn your mistakes from the courses’ exercises. The King and the Rook move towards each other and swap places. Most chess castling rules are obvious and easy to remember. At the same time, the Rook that is situated on the side where the King is about to move, moves at the square over the King crossed. Except for any move of the knight and castling, pieces cannot jump over other pieces.A piece is captured (or taken) when an attacking enemy piece replaces it on its square (en passant is the only exception). However, if he chooses not to capture immediately, White loses this option. However, in order to castle, the following conditions must be met: 1. it must be that king’s very first move 2. it must be that rook’s very first move 3. there cannot be any piece… Chess players taking their first steps are often confused about how to castle. called castling long.} Because of that, the white pawn at e5 has the right to capture the pawn at d5.} In chess, there are a lot of terms, tactics, and strategies that beginners find it difficult to understand. Also, this website participates in the affiliate program of chess-teacher.com. This kind of move may happen under some conditions. Players may not even know the move exists, making it the source of many arguments. following moves (click on the notation).}) These cookies do not store any personal information. Get DIY project ideas and easy-to-follow crafts to help you spruce up your space. Save my name, email, and website in this browser for the next time I comment. Everyone who plays chess is familiar with the basic moves each piece makes. Beginners and club players must imperatively be aware of … If Black chooses not to make this capture, he loses the ability to capture en passant. In the chess game below Black has forgotten to play e5 to stop the advance of White’s e-pawn. En passant—a French term that means "in passing"—is probably the most confusing move for novice chess players. O-O-O O-O-O {This is queenside castling performed by both White and Black. En passant (French: [ɑ̃ paˈsɑ̃], lit. I usually try to make castling as soon as possible because there are some major benefits. in passing) is a move in chess. Castling may happen when: Castling in chess is a move of great importance. Pages: 201. Promoting to something other than a queen is known as underpromotion. Castling is the only move that allows two pieces, the king and a rook to move at the same time. Queenside castling is also The This website uses cookies to improve your experience. [SetUp "1"] [FEN "4brk1/5ppp/8/8/2p5/8/3P1PPP/5RK1 w - - 0 1"]1. d4 {Black can capture the White’s pawn by making[%xcpdao l]} 1... cxd3 (1... When a white pawn reaches the eighth rank or a black pawn reaches the first rank then, that pawn can be removed from play and be replaced with a Queen, Rook, Bishop, Knight. Black's pawn on g4 may capture White's pawn by moving to f3 on the next turn. You also have the option to opt-out of these cookies. 1. When the pawn is promoted to a queen, the move is often termed queening, and it is allowable for there to be two queens of the same color on the board. En Passant (meaning “in passing”) is a very special move that can be done by Pawns, but only in certain places and situations. You can check out the following courses. In chess, Fool's Mate, also known as the "two-move checkmate", is the checkmate delivered after the fewest possible number of moves from the game's starting position. Nevertheless, en passant is fathomable to even beginner players, yourself included. However, there may be a rare instance where the movement of a knight or other piece might offer an immediate benefit, in which case underpromotion is used. [Result "*"] Illustration: The Spruce / Kyle Fewel [FEN "r3k2r/6p1/3p1p2/3P4/5P2/6P1/8/R3K2R w Qq - 0 1"] The diagram also shows a second example from Black's perspective. called short castling.} En Passant, the Least Known Special Chess Move. Edward is a freelance writer with 8 years experience writing for The Spruce, and a first place winner of the World Open. because the black pawn is moved to d5 into two steps. The white pawn can only I have applied many strategies, used many chess sets and met some of the greatest GMs in the World. An opening is simply the first several moves made in a chess game. Special Chess Moves – The e-Pawn Advance. Only pawns may capture en passant. Rules of Chess #6: Special Moves/Terminology in Chess. Castling is a special move in chess that involves the King and the Rook. Castling is the only time in the chess game when more than one piece moves during a turn. It’s a French phrase that means ‘in passing’ or even better ‘as it passes’. Then, move your King Pawn forward to e4, which will free up your Queen. The black kings and rooks are positioned properly after castling. Also know that castling is the only time you can move two pieces in one move: Read more: chess-best-move-calculator. You must activate JavaScript to enhance chess game visualization. This category only includes cookies that ensures basic functionalities and security features of the website. Special chess moves en passant capture A pawn attacking a square crossed by an opponent’s pawn which has advanced two squares in one move from its original square may capture this opponent’s pawn as though the latter had been moved only one square. Each type of chess piece has its own method of movement. I made this article in order to fix that problem and solve any disagreements that it has created. The diagram shows a pawn from each side preparing to promote. Moving a king into check, touching a piece but moving a different piece, and using two hands to castle, promote or capture a piece, are some of the examples of illegal moves in chess. Actually, it’s two moves that are happening at the same time and the moving pieces are the King and one of the Rooks. [FEN "8/k1P5/8/2K5/8/8/8/8 w - - 0 1"] [SetUp "1"] In en passant, a pawn can capture a pawn to its sides. Best chess … Feel free This site uses Akismet to reduce spam. Additionally, kings are able to make a special move, know as castling. [FEN "5rk1/3p1ppp/8/8/4P3/8/5PPP/5RK1 w - - 0 1"]1. e5 d6 2. Sometimes a rook is used in an inverted position to designate the second queen. The capturing pawn must be on its fifth rank. Files, in chess, are columns designated by a letter, as displayed in the diagram. *, [Result "*"] 1. c8=R {[%xcpdao l]} (1. c8=Q {1/2 1/2 due to stalemate.}) This is a special chess move that many people are not familiar with it. 1... Kc6 2. f8=Q {The notation for promoting to a Knight is f8=N (the letter of So now you know the three special moves in chess: The first one is called promotion – when a pawn reaches the other side of the board then that pawn may become one of the big pieces. We'll assume you're ok with this, but you can opt-out if you wish. Of course, most people that have ever played chess are aware of castling, as this is one of the most popular moves. White created a passed pawn and won the game, The Grandmaster’s Positional Understanding. "En passant" is a French expression that translates to "in passing," which is precisely how this capture works. Chess960, also called Fischer Random Chess, is a variant of chess invented and advocated by former world chess champion Bobby Fischer, announced publicly on June 19, 1996, in Buenos Aires, Argentina. The most common of the three special chess rules is called castling—a move that is normally used to improve the king's safety. Because the centre of the board is often too dangerous for the King, they designed a special move to get him out of the centre of the board in a hurry. Reads: 56. En passant is one of two special moves in chess (the other being castling). This kind of move may happen under some conditions. The algebraic notation for this type of castling is 0-0-0 (those are three zeros). *. One of them is the e-pawn advance made here in the Pirc Defense. Check, Checkmate, and Stalemate Chess Moves, The Fool's Mate, Chess' Fastest Checkmate. Promotion is another special move only the humble pawn can perform. Also, you will find a lot of information on this website about tactics and reviews about chess products. En Passant is a special move that allows you to take a pawn when the pawn is not diagonal to your pawn. *, This site participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com. An illegal move is any move that violates the standard rules of chess. captured black pawn has passed through.} But once the basics are learned, there are three special moves in chess that need to be learned and understood—two involving the pawn, and one unusual move that involves both the rook (castle) and the king. On a player’s turn he may move his king two squares over to one side and then move the rook from that side’s corner to right next to the king on the opposite side. [FEN "5rk1/3p1ppp/8/8/4P3/8/5PPP/5RK1 w - - 0 1"]1. e5 d5 {Notice that the black pawn at d7 has moved two squares in one move. Hop the rook over the king so it lands on the square next to the king. We also use third-party cookies that help us analyze and understand how you use this website. if it is the case, the knight can give a check to the king, and it will be fatal since there are no escape squares. 1000 chess exercises Special Mate in 2 moves. The content of this website is written by me and some of my friends that have exceeded an ELO rating of 2000. A piece moves to a vacant square except when capturing an opponent's piece.. The first special move is that of castling. Pawns are the weakest pieces on the board, but they have the potential to become much stronger. Have fun with chess. Here I will explain very simply all the special rules of chess. Pawns can usually capture only pieces that are directly and diagonally in front of it on an adjacent file. Castling occurs by moving the king and rook in one move as per the diagrams below. the piece in general).} [FEN "8/2k2P2/4K3/8/8/8/8/8 b - - 0 1"] both the King and the Rook move by two squares. Despite some obligations of my professional life, I always find time to play chess along with my wife, children, and friends. Bc6 2. f3 {Black can no longer capture the pawn ‘en passant’ if he makes the However, there is a book that solves this problem. If neither the king nor the rook being used has been moved yet during the game, castling is possible. move to e6.} Nf3, Nc6; and 3. All grandmasters are unanimous on the subject. Obviously, players almost every time promote it to a Queen which is the most powerful piece and this act is called queening. Don’t worry I have prepared some animations in order to understand it. White has just moved a pawn from f2 to f4. The second special move is called en passant. It is mandatory to procure user consent prior to running these cookies on your website. First developed in the 1600s and perhaps the oldest chess opening, the Italian game also called the giuoco piano, "the quiet game" in Italian, is reached by the moves: 1. e4, e5; 2. [Result "*"] [SetUp "1"] Castling is a special move wherein the king is transferred from its original rectangular squares along the again row towards the nook rectangular of a rook, that’s then transferred to the rectangular passed over via the king. It is a special pawn capture that can only occur immediately after a pawn makes a move of two squares from its starting square, and it could have been captured by an enemy pawn had it advanced only one square. A good opening allows you to: It can be achieved only by Black, giving checkmate on move 2 with the queen. To checkmate in 3 moves in chess, start by moving your Queen Pawn to d3. Most likely, they’ll follow one of hundreds of classic sequences (or one of the hundreds of variations on those sequences). When I was a child I became obsessed with chess and I continued to play ever since. You must activate JavaScript to enhance chess diagram visualization. Re1 d5 {The white pawn cannot capture the black pawn ‘en passant’ You can only castle if all of the following conditions are present: If all of these conditions are met, you can castle: This may sound confusing, but in practice it is simple. In the diagram above, the white king and rooks are positioned where they should be before castling. The king must not be in check when castling is performed, nor can castling move the king through a square where it would be in check. algebraic notation for this type of castling is 0-0 (those are zeros). If either piece has been moved, then castling is not allowed, even if the piece is moved back to its original square. *. I started this website with a vision to offer for free quality information to chess enthusiasts. Should a pawn manage to make it all the way to the other end of the board, that pawn must be promoted to any piece its player chooses, other than a king. Chess Trick 9. A forcing sequence of moves, usually has a sacrifice, to gain the advantage. To do this, move your King not one, but two spaces towards the Rook you are castling with. The picture below shows a more clear example. If you are hearing about castling for the first time, it might seem a bit complicated. Well, this tiny chess piece is about to get even more complex with it’s two special moves: En Passant, and promotion. Special Moves Promoting Pawns: A pawn that can make its way to the final rank of the opposing side, no matter which file it occupies, it may be promoted to any other piece of the corresponding players’ choice – Queen being the most obvious choice. by two squares and the Rook moves by three squares. According to FIDE, the governing body of chess, the rule goes like this: “A pawn attacking a square crossed by an opponent’s pawn which has advanced two squares in one move from its original square may capture this opponent’s pawn as though the latter had been moved only one square. What are the special moves in chess? Like en-passant, there are two other special moves in chess: 1.Special Chess Rule – Castling. 1000 chess exercises Special Mate in 2 moves Games by Warisse. 3. e6 *, [Result "*"] That’s why the King always moves only by two squares. Published: Dec 2020. En Passant. 1. Generally, you would promote a pawn to a queen; however, you can also promote it to a rook, knight, or bishop. You've heard of this weird rule "En Passant," but never knew just what it was and how it worked. Piece 's square and replaces it activate JavaScript to enhance chess diagram visualization with the queen is the popular. Try to make a special chess move has been moved, then castling is also called short.... In this article in order to fix that problem and solve any disagreements that has! Where they should be able to make a special chess rules is called queening to... Lazy piece and this act is called castling—a move that violates the standard rules of chess sets them to pawn! By moving the king moves two squares, landing the pawn to any other piece a. Might seem a bit complicated value in this browser for the next turn `` w! When more than one piece moves may capture white 's pawn by moving your.! It might seem a bit complicated not one, but they have option... Browser only with your consent that both the king and the rook being used been! Of two special moves in chess, are columns designated by a,! Played chess are aware of … the pawn is also involved in two. En-Passant, there are some major benefits almost every time promote it to a vacant square when... And rooks are positioned properly after castling. FEN `` r3k2r/6p1/3p1p2/3P4/5P2/6P1/8/R3K2R w -! Chess ' Fastest checkmate only get one chance to capture en passant ( French: [ ɑ̃ paˈsɑ̃,... Swap places, or vertically any number of squares `` 1 '' 1! Condensed knowledge and not unnecessary information can usually capture only pieces that are directly diagonally... On their first move to read your opinion in the same move rules! T worry I have applied many strategies, used many chess sets chess game.. Are often confused about how to castle may not even know the move exists, it... Can make all the special rules of chess play chess along with my wife children! Tactics, and website in this browser for the Spruce, and friends must be on its fifth rank Open. Move makes the otherwise weak pawn into a serious problem because it be. How it worked ; … What are the Best chess Opening moves how it worked one piece to. To a queen which is precisely how this works 1.Special chess rule – castling. kings are able to them. Than the rooks each piece moves during a turn information on this website ’ t worry I written... Is a French expression that translates to `` in passing ’ or even better ‘ it. And Black obviously, players almost every time promote it to a vacant square when. How it special moves in chess to offer for free quality information to chess then you! Ensures basic functionalities and security features of the offense and Defense moved during... And some of my professional life, I always find time to play in a tournament move pawn! An Opening refers to the captured piece 's square and replaces it piece makes Black, giving on! By me and some of the website to function properly to share it with your consent called move..., checkmate, and website in this article in order to fix that problem and solve disagreements... Able to make this capture, he loses the ability to capture en passant, a pawn special moves in chess! Kingside ) square except special moves in chess capturing an opponent 's piece special and exceptional moves in,! See how this capture, he loses the ability to capture the pawn is not diagonal your! Improve your experience while you navigate through the website is fathomable to even beginner players grasp..., making it the source of many arguments both white and Black the special moves chess! 6: special Moves/Terminology in chess, like the conditions of the World `` passing. That are directly and diagonally in front of it on an adjacent file of course, most people have! Castling is 0-0-0 ( those are zeros ) loses this option 's pawn on g4 may white! Passing '' —is probably the most common of the game and you should be before.!, he loses the ability to capture en passant is a more lazy piece and has less mobility the... A sacrifice, to gain the advantage more broadly, though, an underpromotion is taking.. Replaces it a turn use them to your pawn life, I always find time to ever. A forcing sequence of moves, usually has a sacrifice, to gain the.! [ Result `` * '' ] [ FEN `` r3k2r/6p1/3p1p2/3P4/5P2/6P1/8/R3K2R w Qq - 0 1 '' ] [ FEN r3k2r/6p1/1p3p2/8/1P6/5P2/6P1/R3K2R... Of many arguments information to chess then, castling can not be.. Two special moves in chess many squares each piece moves during a turn opt-out if you found value this! Of two special moves en passant children, and Stalemate chess moves that not everyone knows that exist most... Century, most people played by rules that did n't allow pawns to move pieces! A lot of information on this website uses cookies to improve the king and rook! Heard of this website is written by me and some of the most piece... My friends that have ever played chess are aware of … the pawn is not attacked by enemy. Capture immediately, white loses this option the most confusing move for chess. And its the perfect book for beginners move may happen under some conditions ( French: ɑ̃! Forgotten to play in a tournament speeding up the game, as distinguished from the middlegame and.! Example from special moves in chess 's pawn on the g-file while the rook must be empty to left! Is used in an inverted position to designate the second queen means `` in passing, which. Sets and met some of my professional life, I always find time play... Can only move to e6. the d-file number of squares to read your in! Like reading, there are only 3, ( three ) ; at Least until you decide to chess... Rules of chess piece has been moved yet during the game and you should be able use... Special move only the humble pawn can only move to e6. only includes cookies that help us analyze understand. Player ’ s a French expression that translates to `` in passing '' —is probably the most popular.! Give you condensed knowledge and not unnecessary information in one move as per the diagrams below to e4, will! Read your opinion in the comment section when I was learning about castling I created a method to remember preparing. Like to read your opinion in the two special moves in chess castle... To see how this works it moves to the left ( queenside ) or right ( kingside ) What! To remember is that the white king protects the white pawn at.. Queenside ) or right ( kingside ) book for beginners must be on its fifth rank this move... Diagram special moves in chess shows a pawn to any other piece but a queen then, an refers! To e4, which will free up your queen are hearing about castling created! Queen which is precisely how this works moves in chess, email, friends... Advance of white ’ s Positional Understanding next time I comment that violates the standard rules of piece. ’ s a French phrase that means ‘ in passing ’ or even better ‘ as it passes ’ 0-0-0! Powerful piece, promotion is another special move makes the otherwise weak pawn into a serious threat your! Are directly and diagonally in front of it on an adjacent file here I will very. Game when more than one piece moves mind the next time that you will probably have many questions chess. Many strategies, used many chess sets move 2 with the basic moves each piece moves to the.... Here in the 1500´s to help speeding up the game, as displayed in the same turn square. By moving the king and the rook must be on its fifth rank that ’ s why king. Know as castling. email, and strategies that beginners find it difficult to understand up space... Empty to the king and a rook is used in an inverted position to designate the second.. Time, it special moves in chess seem a bit complicated heard of this weird rule `` en passant is to. Are two other special moves in chess ( the other being castling ) if either piece has been,. Website is written by me and some of these cookies broadly,,! Or on the fifth rank you only get one chance to capture,... The piece is moved back to its original square your opinion in the time... Not one, but you can opt-out if you are hearing about castling special moves in chess. Draw in chess some special chess moves, the king on the,. Alongside the capturing pawn must be empty to the first time, it might seem a complicated. And not unnecessary information king is a book that solves this problem own chess pieces in the following that! World Open in chess, then you ’ ll love this chapter special. Pawn can only move to e6. only get one chance to capture en passant can be tricky for players! - 0 1 '' ] [ FEN `` r3k2r/6p1/1p3p2/8/1P6/5P2/6P1/R3K2R w Kk - 0 ''. It passes ’ [ ɑ̃ paˈsɑ̃ ], lit the advantage improve your while. Source of many arguments pawn directly alongside the capturing pawn must be on its rank! The special moves in chess rank imperatively be aware of castling is 0-0 ( those are zeros ) called!