Abstract: A three-dimensional game of SCRABBLE includes a plurality of three-dimensional game pieces with letters and a plurality of connectors. Each three-dimensional game piece may be either a sphere or a cube and has at least one connector hole. Each connector connects at least one of the three-dimensional game pieces to another three-dimensional game piece along any one of three orthogonal axes. Each connector properly aligns the three-dimensional game pieces. In the three-dimensional game of SCRABBLE the letters are used to form words along either any one of three orthogonal axes or any diagonal combination of the three orthogonal axes.

Abstract: The game apparatus comprises a pack of cards, each having printed thereon a respective pictogram. The pictogram carries two letters and two blank markers indicating wild letters. The pictogram is repeated four times on the card, one on each side of the rectangular card. The players form words according to the pictogram. The apparatus also includes a number spinner, for indicating the number of letters in the words the players have to form; and includes a strike-bell whereby a player can indicate that he has thought of a suitable word. The cards are marked with difficulty stripes, indicating the number of words from a dictionary list that fit the particular pictogram.

Abstract: A recreational and educational vocabulary-building board game for a minimum of two players which includes a game board having a plurality of sequential spaces with the letters of the alphabet, direction, and vocabulary-related categories thereon; a plurality of cards having word definitions, directions, or vocabulary-related questions and answers thereon and adapted for chance selection of a card one at a time; a plurality of place markers corresponding to each of the players; and a mechanism for determining the number of spaces to be traversed by each place marker in accordance with established game rules.

Abstract: A gameboard has a crossword grid with bonus spaces of different values marked in different color indicia indicated on an adjacent key. A chip set includes basic chips having a single letter and corresponding numerical value marked thereon and enhanced chips each having a plurality of regions with respective different letters and corresponding numerical values in respective regions marked thereon for alternative selection to complete words on the grid. The bodies of the chips are transparent so that underlying indicia can be seen therethrough. In an alternative, the chip bodies are colored so that the scoring color seen through the chip will be changed to a third color when a chip of a first color overlies a space of a second color. The colors of different regions of an enhanced chip can also be different providing different scoring values according to the letter selected.

Abstract: A word game to be played in a body of water. The body of water has a surface, the game is played by two teams, each team having at least one player. The game includes the steps of positioning the players in the body of water. A plurality of gaming pieces is randomly distributed on the surface of the water. The gaming pieces have letters of the alphabet formed thereon. A word is identified. The players of each team collect gaming pieces to spell the identified word. The first team to have collected all gaming pieces to spell the identified word is the game winner.

Abstract: A word game utilizing a game board containing the vowels and consonants of the English alphabet with each letter placed in a defined letter area. A plurality of markers that are thrown at the board of such a structure to releasably stick to the board. The object of the game being to make a recognized word in a time less than an opponent after a predetermining plurality of markers are thrown at the board and land in letter areas.

Abstract: The present invention provides for a game system having a generally rectangularly shaped board and a plurality of cards. The board is imprinted with indicia indicating addition, subtraction, multiplication, and division. The board is also imprinted with indicia indicating a first playing area, a second playing area, a third playing area, a fourth playing area, fifth playing area, a sixth playing area, a seventh playing area, and an eighth playing area. The cards are inscribed with an integer n, where n is an integer from 0 to 12. The cards are also inscribed with a mathematical symbol of +, -, .times., and .div.. In another embodiment of the present invention, there is provided a method for playing a mathematical board game. The method involves providing a board as described above with at least one erasable means for recording a score, and cards as described above. The plurality of cards are shuffled to form a deck.

Abstract: This invention relates generally to crossword puzzle type games, and more particularly to an improved crossword puzzle game and method of creating an improved crossword puzzle type game wherein additional indicia is provided on the crossword puzzle answer grid to assist the game player in determining the correct answer to the ordinary written clues provided. The additional clues provided on the answer grid preferably take the form of added indicia within one or more of the squares that form the answer grid. For example, the added indicia may be in the form of different color squares, squares including designs therein, and any other suitable indicia. A key is provided such that a player can determine the meaning of each type of added indicia. The indicia can give a player clues to assist the player in completing the puzzle. For example, one type of indicia may indicate that a vowel is to be placed in a square, while another type of indicia may indicate that a consonant is to be placed in a square.

Abstract: A multiple player word forming game is disclosed. The game uses a board, a cup and a plurality of cards. The cards are randomly transferred to and from the players. The players use the cards to form words. In the best mode, a game board defines a flat surface bounded by a peripheral wall upon which the cup freely travels about. A player begins a turn by spinning the cup, which eventually lands upon a card transfer space. The card transfer space dictates whether the player either draws or passes cards. The player transfers cards either from the deck or to a discard pile or to or from another player during a turn. Then the player attempts to spell a word by selecting cards in his hand and laying them face-up in front of him. Opponents may challenge the player's word. Any player who transfers all of his cards during a set becomes empty-handed and may not challenge words.

Abstract: A board game apparatus having a playing area divided by horizontal and vertical demarcations which form recessed spaces for receiving numbered blocks as they are transferred from strip spaces into which a limited and non-replenishable quantity of numbered blocks have been previously placed. The strip spaces are on the same game board as the playing area but in distinct strip areas. The numbered blocks are transferred to the playing area spaces to form a series of rows or columns in which the numbered blocks of each row or column add up to the same sum.

Abstract: A mathematical game is comprised of a game board with holes arranged in a regular array and playing pieces bearing integer numbers. Players compete to combine the playing pieces and mathematical operations to form a mathematical expression which equals a given answer. Playing pieces used in these mathematical expressions are placed on the game board on the holes. After all holes are filled with playing pieces, playing pieces are stacked on top of the previous layer of pieces by putting the playing pieces into gaps created by the playing pieces of the lower level. More levels of playing pieces are assembled as the game progresses, creating a three-dimensional pyramid shape.

Abstract: The present invention is directed to a word game wherein words are formed by arrangement of letters of the alphabet appearing on the faces of a set of dice wherein each letter represented and the number of times the letter is represented in the set of dice, approximates the frequency of their appearance in a corpus of words.

Abstract: A method of playing a sentence forming game is disclosed which consists of a plurality of cards with a plurality of sentences (12) known as sentence cards or sentence means (10), a plurality of cards with a plurality of pictorial elements (16) known as picture cards or picture means (14), and a plurality of rewards or scoring means (36). Players chose a sentence (12) from sentence card or sentence means (10) to form by finding relationships between words in sentence (12) on sentence card or sentence means (10) and pictorial elements (16) on picture cards or picture means (14). These relationships are subjectively judged by the other players. Players receive rewards and/or scoring means (36) based on if their explanations are subjectively judged by the other players to be interesting, creative, and/or entertaining.

Abstract: The present invention is a method and an apparatus to teach students the relation of numbers and identical items to mathematics by having the students visually and manually associating numbers with items and the adding and subtracting of these items. The apparatus hardware and the teaching method are designed to be depicted on a computer monitor screen with visual and manual manipulations of items on the hardware or on the screen to teach and relate skills to students by permitting use in either or both media.

Abstract: A game for forming words upon a board to entertain and educate players. The inventive device and method includes a board simulating various cross-word puzzle configurations upon which a plurality of tiles can be positioned to form words. The method of playing includes forming original and altered words upon the board. Score is kept during the game with the player having the highest score or the player covering a last one of a predetermined number and configuration of spaces on the board being declared the winner.

Abstract: A competitive board game including the purposeful scrambling and unscrambling of numerous words, mostly nouns, chosen from a variety of categories randomly by a plurality of teams each having one or more players which includes individual team playing tokens movable upon a sequential path of spaces defined upon the upper planar surface of the game board. Included is a pass category for allowing an active team to force an inactive team to perform the unscrambling within a sixty second time period. There is also a choice option allowing the active team to choose any one of the available categories.

Abstract: A mathematical board game including a game board bearing a rectangular grid defining a plurality of ranks and files. Additionally, the game board includes a scoring apparatus composed of two groups of labeled scoring bins, one group for each playing team, for the purpose of recording the score as the game is played. The game board also includes a sum/point tabulation table which provides a cross reference, relating sums with scoring points awarded for each sum. A plurality of scoring `stones` are provided for each player. Upon scoring, the scoring player places a single stone in his labeled scoring bin corresponding to the number of points scored. A plurality of tiles are also provided for each player, each tile being marked with a symbol representing one of the numbers in the range [1, 2, 3, . . . , N.times.M] for placing on the board, where N is the number of ranks and M is the number of files.

Abstract: A mathematical calculation board game comprises 128 playing pieces and a game board having 144 squares. The playing pieces are arranged on the game board according to certain game rules. The game board is divided into "blue" and "red" sides and is marked with red, blue, purple, white and orange game squares. Fifty squares contain the operators +, -, .times. .div.. Each operator square has a blue square on one side of it and a red square on the other side. The operator squares are arranged in four files vertically and ten rows transversely. Ten purple squares are arranged transversely to divide the game board into its blue and red portions. There are 51 red game pieces, 51 blue ones, 10 purple ones, 10 white ones, and 6 orange ones. One red and one blue piece are marked with a "-". The remaining pieces are marked with numbers or numerical expressions.

Abstract: A game for teaching grammar having a key card formed with a plurality of rows and columns, including columns with a heading across the top of the columns with letters to indicate a type for such column. The rows are marked with numbers. A different word or phrase is in each of the spaces in the rows and columns indicative of a part of speech and indicative of features of the English language with a plurality of calling cards, each includes a letter at the top indicative of one of the indicia letters across the top of the key card. Each calling card has a plurality of samples utilizing a particular feature of language and a question with regard to such samples and, in parentheses, the answer to the question. Also included is a plurality of individual playing cards. Each playing card is formed with rows and columns.

Abstract: A mathematical Board Game for a plurality of players has a rectangular game board with a plurality of card stations or chambers arranged in a matrix of horizontal and vertical rows. The card chambers include a start card chamber in each corner of the board and a plurality of problem card chambers in a perimeter of the board between the start card chambers. A plurality of answer card chambers on the board are surrounded by the start card chambers and the problem card chambers. A start card is removably placed in each of the start card chambers. A problem card is removably placed in each one the problem card chambers. There is a different mathematical problem on each problem card. An answer card is removably placed in each one the answer card chambers. There is an answer to one of the mathematical problems on each of the answer cards.

Abstract: A game wherein, for a player to advance around a game board to a winning board position, the player must satisfactorily comply with instructions that solicit a rhyming response. The game board includes a starting space, a winning space, and a number of distinguishable spaces therebetween. The spaces are divided into several categories that are distinguishable by different indicia and/or different colors. Each category of space requires a player to comply with a particular instruction. When a player occupies one category of game board space, the player must recite a word that rhymes with a word selected at random; another category of game board space requires a player to create or recite a multi-line rhyme, one line ending with a word selected at random, e.g.

Abstract: An electronic word building machine including a keyboard to input a user determined set of letters, a set of words in memory, a comparison program to compare the input set of letters with the set of words in memory to provide a set of matching words from the set of words in memory, the set of matching words including words which consist only of a subset of letters from the input set of letters, a ranking program to provide a predetermined score for each of the words in the set of matching words, and a display to display on the machine each of the words in the sequence of the value of the score together with the score value of the word being displayed.

Abstract: A board game has first and second playing areas, with the first playing area being a continuous path along the perimeter of the game board. The second playing area is located within the first playing area and includes spaces for forming words with the spaces having a surface for erasable markings of letters. The first and second playing areas have indicia printed thereon. The first playing area determines which letters to use to form words within the second playing area, and indicates the monetary values for using the indicated letters. The board game also includes a die that controls the movement of player pieces along the continuous path and which directs the players to use a spinner of the board game. Words may be formed within the second playing area and can be spelled forward, backward, vertically, horizontally or diagonally. The spinner provides a further random chance control.

Abstract: The game apparatus includes a board bearing a regular pattern with a plurality of adjoining octagonal units arranged in horizontal rows and vertical columns and a plurality of square units interposed between the octagonal units. A series of markers each bearing a numeral are placed at the commencement of the game on the octagonal units. Two series of counters are provided, one for each player or team of players. Each series of counters includes a number of counters each of which bears a numeral. A first counter-yard is located in the region of one edge of the board for receiving the counters of one player or team of players. A second counter-yard is located in the region of the opposite edge of the board for receiving the counters of the other player or team of players.

Abstract: A word rummy game includes two different decks of cards. The first deck includes a plurality of playing cards with each card having two sides with a letter on one side. Words are provided to each player while keeping these words secret from other players. This is accomplished through the use of a different second deck of mystery word cards. Every player then receives a predetermined number of letter playing cards and one mystery word card from the dealer while each player keeps his cards hidden from other players. Each individual player then uses his letter playing cards to form the given words on the word card. The first individual to match all of his letters to his given words wins the game.

Abstract: A game board apparatus for use by two teams of players is provided. The game board apparatus includes a grid of equal sized squares. Two of the squares represent starting points for each of the teams, respectively. Further, two adjacent clusters of squares form reserved areas for each of the two teams, respectively, which permits only the team that owns the reserved area to start a word within the reserved area. A bonus bridge dividing line is positioned between the two reserved areas. Bridging the two arrays emanating from the respective starting points and forming a word which crosses the bonus bridge dividing line yields additional bonus points.

Abstract: The present invention is a word game to be played by two or more persons, in which the object of the game is to assemble solutions to word transformation puzzles. The game of the present invention requires the use of a computer (or processor), a display, and a keyboard (or other input device). At the beginning of the game and at various times during the game, the processor must find a solution to a word transformation puzzle or determine that one does not exist. Efficient solution of puzzles by the processor is accomplished by creating two minimum-length search trees, each tree having a number of nodes that contain words generated via a predetermined relationship with respect to one another. The first tree is based on the first Doublet word (the source), while the second tree is based on the second Doublet word (the destination). An intersection of the two search trees is discovered by repeatedly comparing at least one word of the first search tree with at least one word of the second search tree.

Abstract: A language building game for two to four players utilizing a grid marked game playing board, a pool of playing tiles each bearing a letter of the alphabet on its face, and a scoring sheet for each player. The game method includes placing a first plurality of tiles on the board by a first player, placing only a single tile on the board adjacent to the first plurality of tiles by the second player, wherein the first and second players continue to build about the first plurality of tiles and the single tile by placing additional pluralities of tiles on the board.

Abstract: A math game having a game board with a plurality of defined spaces comprising goals. Some of the goals have goal playing math indicia associated with such goals. The math game includes playing pieces and each playing piece has a playing math indicia associated therewith. The players move the playing pieces to define goals and a score is determined by combining the goal playing math indicia on the game board with the playing math indicia on the playing piece.

Abstract: A game apparatus including a puzzle and a conforming means. The puzzle includes ciphertext indicia and a number of designated spaces corresponding with the ciphertext for displaying a developing solution. The ciphertext is a message encrypted according to some substitutional and/or transpositional encipherment scheme. At each stage of solving, the ciphertext and developing solution show what has been correctly solved and what remains to be solved. The conforming means verifies the correctness of correct guesses and corrects incorrect guesses without prejudicing future guesses. Manifold types of messages, encipherment schemes, developing solutions and conforming means are disclosed, as well as a computerized method of making some puzzles and conforming means. The game can be played by one player or several players in competition. To solve a puzzle, a puzzle solver first forms a guess-pair. Typically, a guess-pair is a plain character and a cipher character that could be the plain character's substitute.

Abstract: Mathematics teaching aid for recognition of numerical and functional equivalents and spatial relationships having tiles (12, 14, 16) marked with numerals (12) , functions (14) , and equals (16) and a baseboard (10) with intersecting rows of spaces where two to four students can form linear equations (18) by aligning the proper tiles on the baseboard (10) which intersect at right angles and share one tile.

Abstract: Magnetic alphanumeric characters having substantially the capability to be properly aligned to one another during display is proposed. The characters consist of magnetic materials with concentrated magnetic strength on one face. The magnetized face is glued to a thin transparent polyethelene material whose edges are cut in a zig-zag fashion. The zig-zag edges allow more than one alphanumeric character to be installed in a straight line vertically, horizontally and at an angle.

Abstract: A method of playing a board game in which word chains are formed by opposing players and utilizing a playing board of general hexagonal configuration which is divided into contiguous hexagonal areas with the edges of the hexagonal configuration being one of two alternating colors and in which each player directs a word chain from the player's own side to either another side or other sides which attempting physically to obstruct the word chain of the opponent from reaching the opponent's designated side or sides.

Abstract: A reflective word game is provided in which letter tiles placed into a game plate by a player will simultaneously form both a real word and a reciprocal image word that is reflected in either one or two adjacent mirrors. A challenger player must make up a matching word by placing letter tiles into the game plate which will also be reflected in either one or two adjacent mirrors. The scoring values of the letters making up the words are added up and are cumulative, whereby the player with the highest score at the end of the game is the winner.

Abstract: A mathematical game comprising a plurality of elongate tiles adapted to be laterally or longitudinally located on a playing surface. The elongate tiles comprising a set of numerical tiles bearing a numerical symbol and a set of operational tiles bearing a mathematical operation symbol and a numerical symbol. On the operational tiles the numerical symbol is located to the right side of the tile and the mathematical operation symbol is located to the left side of the tile. Three tiles consisting of two numerical tiles and one operational tile are linearly arrangeable on the playing surface to form a mathematical equation such that the operational tile is locatable between the two numerical tiles. The operational tile reflects the mathematical relationship between the numerical tiles. The operational tiles are provided with a visual distinguishing characteristic so that when the tiles are arranged in an equation the operational tile distinguishes one side of the equation from the other.

Abstract: A board game for two players or teams includes elements of the games of scrabble and chess as well as other novel features, and includes a game board having a pattern of lettered playing spaces and a plurality of differently configured playing pieces or markers for each player or team. The differently configured playing pieces or markers are assigned patterns for their moves on the board depending upon their configuration. The pieces/markers are alternatingly moved to various lettered spaces on the board to claim letters for use in forming words. Points are awarded for each letter used in the formation of a word. A further aspect of the game is that no markers or pieces are ever captured or removed from play, even though the rules allow two opposing pieces to occupy the same space under certain circumstances.

Abstract: An educational word game apparatus utilizes game sheets or boards having rows of spaces for advancing a game piece a predetermined number of spaces. Many of the spaces contain words which are to be either read, pronounced, spelled, and/or defined before a player may move forward. The first player to reach a finish space wins the game. The game may be provided with words of varying difficulty, according to various professions, and in different languages.

Abstract: A home word bound board game is provided which consists of game boards, game pieces, decks of game cards and game sheets. The object of the game is for each player to score with game pieces on the respective game board, as many points possible by guessing words on the game cards, using synonyms and antonyms listed on the game cards. The first player after three rounds having the highest point score listed on the game sheet wins the game.

Abstract: This puzzle game system utilizes a movable base frame 12 which defines within its body a cut-out template 26 which defines a crossed word pattern. The cut-out template 26 defines at least two intersecting word files 28, with each word file 28 being oriented at an angle to each other word file with which it intersects. A plurality of movable elements 14 which are size and shape to be received within the word files 28 are provided. Each element 14 has a display surface 18 for at least one symbol 16. To play the game, one edge of one word file 28 within base frame 12 is oriented cross-wise in front of the player and a plurality of symbol bearing movable elements 14 are provided which are at least sufficient to solve the puzzle. As a next step, base frame 12 is turned to orient one edge of a different word file 28 cross-wise in front of the player, and the puzzle is again solved. This process is continued until the base frame 12 has been solved in each of its edge orientations.

Abstract: Word construction system (10) is provided to allow a user to form crossword puzzles or other indicia related games. System (10) includes strips of tape (16) which are divided into zoned elements (18, 18' and 18") having individual regions (20) on each where indicia (14) may be placed. The user then manipulates and relocates zoned elements (18, 18' and 18") using common indicia (14) to allow one zoned element to be an overlay for another zoned element. In this manner, there is provided a mechanism and method where a user may form a word game which is individualistic in nature and may have differing patterns for the same words or indicia (14) used.

Abstract: A game for building words and form concepts form the selection and arrangement of symbols within a given topic. A card with longitudinal slots is adapted to receive one topic chip per slot and one or more symbols that form a word related to each one of those topics. The symbols chips are pre-organized through the use of unique relief patters that are accepted in position with complementary relief patterns in a carrier for these symbol chips. As the players build their words they are called to defend them as being relevant to the topic categories where they were built.

Abstract: A word spelling game is disclosed, which teaches the players the consequences and rewards of productive and non-productive conduct in society. The game includes a game board, random number selection means, playing pieces, letter boards, letter pieces and debt cards. A method of playing such a game is also disclosed.

Abstract: A board game includes (a) on a playing board a series of lettered boxes arranged as a playing course between START and FINISH boxes, and (b) a key which relates the indicia (e.g. numerals, colours, or pictures) appearing on the respective faces of a die to respective categories of things, objects, people, features, etc. The rules of the game require that a player's token standing on a given box can move to the next box only when the player has thrown the die, consulted the key to determine therefrom the category related to the number, colour, picture, or other indicium on the die face which is upwardly exposed by the throw of the die, and named a specific variety within that category, which variety has a name beginning with the letter of the box on which the player's token is currently standing.

Abstract: Apparatus and method for playing a spelling game, wherein a player enters a telephone number to obtain access to a specially programmed audiotex voice communication device which enables the user to interact with the device by attempting to spell a sequence of words which are automatically pronounced for the player. Spelling is accomplished by player responses which are stored and reviewed by the audiotex device which determines whether the player has met predetermined criteria to be a game winner. Such criteria is preferably a combination of correct words spelled in less than a predetermined time period.

Abstract: An educational word rhyming game includes a gameboard having a plurality of consecutive spaces defining a movement path, one of the spaces being a start space and one of the spaces a finish space. There are a number of gamepieces which are positionable on each of the plurality of spaces for movement along the movement path. A number of rhyming cards are likewise provided, each of the rhyming cards having at least one word on the face thereof. There can be provided a spinner having numbers on its face and a pointer, so that when a player spins the pointer will indicate how many rhymes a player must form corresponding to the number indicated on the spinner. Thus, when a player forms a number of rhymes at least equal to the number indicated by the pointer on the spinner, the player gets to move that number of spaces, thereby advancing toward the finish space.

Abstract: A board game for two players or teams includes elements of the games of scrabble and chess as well as other novel features, and includes a game board having a pattern of lettered playing spaces and a plurality of differently configured playing pieces or markers for each player or team. The differently configured playing pieces or markers are assigned patterns for their moves on the board depending upon their configuration. The pieces/markers are alternatingly moved to various lettered spaces on the board to claim letters for use in forming words. Points are awarded for each letter used in the formation of a word. A further aspect of the game is that no markers or pieces are ever captured or removed from play, even though the rules allow two opposing pieces to occupy the same space under certain circumstances.

Abstract: A word association game wherein the players derive different but commonly known word sets from elements of a previous commonly known set including a die, a board, a plurality of preprinted cards, a "minute glass" timer, a plurality of pads and writing instruments, and game tokens for movement on the board. The board has a path of adjacent spaces, which path is arranged in a FIG. 8 with the start space at the crossing. The spaces are color coded in one of six different colors. The preprinted cards each have a blind side and a face side. The latter has six different color coded areas with a different word set in each. A word set is a common phrase (e.g. TIE CLASP) or single (e.g. BLACKJACK) which includes a plurality of different word elements (e.g. TIE, CLASP, BLACK, JACK). Each card has different word sets from the other cards with those of one color coding being of a different word sets from the other categories: PEOPLE, PLACES, TITLES, THINGS, GENERAL and SPORTS/GAMES.

Abstract: A game for play between two or more players/teams with a deck of clue cards each having a set of scrambled words imprinted thereon and an unsolved main word thereabove which is represented only by blank spaces and its first and possibly second letters to serve as a clue. The players/teams take turns drawing clue cards and attempting to unscramble the scrambled words and solve the main word with a set time period. The main word is a synonym or the name of a category of which the scrambled words are like synonyms or elements of the category, respectively. A second deck of cards having only one scrambled word thereon are provided to play bonus and challenge rounds. Points are awarded according to how many words are solved by each player/team and the first player/team to reach 100 pints wins the game.

Abstract: A method of playing a game where there is a first set of die, each of which has the numerical values of one through six thereon, and a second set of die each of which has plus, minus, division and multiplication signs thereon. The two sets of die are discharged onto a playing surface in a random pattern, and then the individual dice members of the first and second set are placed in an alternating pattern so that when the mathematical operations are performed as indicated in the alternating arrangement of the two sets of die, a desired maximum value is obtained.

Abstract: The present invention relates to a math-chess and the method of playing it. The math-chess comprises one checkerboard and 32 pieces. The checkerboard is like that used in the ordinary chess. The pieces are in two colors, sixteen pieces each, they are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, +, -, *, .div., X and Y. X and Y can be used to represent any number. The said math-chess is for two players. A game of the math-chess has four stages: disposing, disclosing, moving and concluding. The position is made secretly. The rules of playing are like those used in Chinese checkers. The aim of moving is to form an algebraic expression with the pieces of one's own side so that it can constitute an equation with the opponent's pieces and take them.