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- MacChess 4.0 Manual by Wim van Beusekom Rotterdam December 1997
-
- MacChess 4.0 is Freeware and consists of five files:
- the application file, a data file, and three text files:
-
- - MacChess 4.0 program; 712,938 bytes.
- - MacChess Opening Book; MacChess 4.0 document 183,517 bytes.
-
- - ~Manual MacChess 4.0; SimpleText document 17,441 bytes.
- - ~History of MacChess; SimpleText document 6,567 bytes.
- - ~New in MacChess 4.0; SimpleText document 7,370 bytes.
-
- As well as some supplementary information, games and tests:
-
- - Folder AEGON'97: AEGON'97 final standings, AEGON'97.pgn.
- - Folder Mate examples: MC example M02, MC example M10, MC example M11, MC example M13
- - Folder Testen: Serie CCR and a folder CCR
- - Folder EPD tests:
- LCTII.epd, BT 2630.epd, CCR.epd, Maresch.epd, Win at Chess.epd
- - Folder Test Instructions: CCR Instructions/Results,
- BT2630 Instructions, LCTII Instructions, Maresch Instructions
-
- SYSTEM REQUIREMENTS
-
- MacChess 4.0 requires a Power Macintosh.
- (If you don't have a Power Macintosh, the non-Power Macintosh version,
- MacChess 2.5.1, is available from the downloads page at the Web site:
- http://members.aol.com/Macchess/ )
- MacChess has been tested on many Power Macs: 6100, 7300, 7600,
- and Power Mac with a 200 MHz 604e processor.
- Please let me know of any problems with other Power Macintosh models.
-
- MEMORY AND TRANSPOSITION TABLES
-
- MacChess requires about 3509 K, but wants more memory for
- “Transposition Tables.” MacChess uses transposition table sizes:
- 0.5 Mb, 1Mb, 2Mb, 4Mb, 8Mb, 16Mb, 32Mb, etc.
- The "About MacChess" item in the Apple Menu shows the current table size.
- If you have lots of memory (RAM), you can use it to give MacChess larger
- transposition tables by using the Finder "Get Info" command in the
- File menu on the MacChess application file to increase the "Preferred Size"
- to the desired Transposition Table size plus 3509K.
-
- Generally, doubling transposition table size increases strength by
- roughly 8 rating points, and is most useful in the ending.
- MacChess test results suggest that a 4000Kb table is optimal for
- the middle game.
-
- Memory problems:
-
- If you are short on memory, reducing your screen color depth.
- (Using "256 color" instead of "thousands of colors" will
- reduce MacChess's memory requirements.)
-
- CASTLING
-
- Castling is a move of the king, not the rook.
- Just move the king two squares, and if castling is allowed,
- the rook will move by itself.
-
- OPENING BOOK
-
- The opening book version 4.0 contains 54,045 moves.
-
- =============================================================================
-
- WINDOWS
-
- When MacChess is launched, the chess board is in the upper left corner
- of the screen. There are five more windows:
-
- • PV: Principal Variation.
-
- This shows the best continuation MacChess has found so far.
-
- • Info: Information about the search:
-
- - score: MacChess's evaluation of the position
-
- If the score is -M4 then MacChess can be checkmated in 4 moves.
- If the score is 90, then MacChess thinks it stands about a Pawn better.
-
- - depth: Search depth so far, in normal and extended continuations.
-
- The first figure shows the search depth of MacChess and the second
- figure shows the highest search depth with extensions.
-
- - number mov: Number of moves considered
- The second figure shows the number of moves minus the moves
- leading to a checkmate.
-
- - move:
- This shows the candidate move being considered.
- The number that follows indicates how many candidate moves have
- been considered at this search depth.
-
- - nodes: The number of nodes which are visited.
- A node is a possible future position that is examined.
-
- - nod/sec.: The number of nodes examined per second.
-
- - phase of the game:
- This shows what phase of the game MacChess thinks it is in:
- opening, middlegame or endgame.
- For example: KR-K indicates a King + Rook vs. King endgame.
-
- • Time:
- This window displays the clocks of white (left) and black (right).
- The times are displayed in hours:minutes:seconds format.
- For each player, it displays:
-
- Line 1: Time used so far (total, elapsed).
- Line 2: Time used on the latest move.
- Line 3: Time (average - per move) remaining before next time control.
- Line 4: Number of moves remaining until next time control.
- Line 5: Time remaining (total) until next time control.
-
- Above the clock display, the colors controlled by MacChess are shown:
- MacChess - Player,
- Player - MacChess,
- Player - Player, or
- MacChess - MacChess.
- (You can change "Player" to your name using "Options: Player Name ...")
-
- • Moves:
- The game score is displayed here.
- There are "VCR-style" control buttons on the bottom for controlling
- the monitor (game review) mode.
- The "VCR" buttons let you step through (>|) or animate (>) the game.
- To stop a game animation, click and hold on the pause (||) VCR button.
-
- • Opening Book:
- At program launch, this displays the version number and the size of
- the opening book. During the game, the name of the opening played and
- the ECO code is shown here. The lower right corner of this window
- displays the move number where the game leaves MacChess's opening book.
-
- =============================================================================
-
- MENUS
-
- • Apple menu:
- - About MacChess:
- This displays:
- - the version number of MacChess
- - the version number and size of the opening book
- - the size of the transposition table
- - the name and address of the Author.
-
- - Freeware:
- This displays the restrictions on the distribution of MacChess, i.e.:
-
- MacChess 4.0 may be used freely, however it is copyrighted and is
- not in the public domain. It may not be distributed for profit or
- included in any CD-ROM collection of software without permission.
- Individuals, user groups and online services are encouraged to
- distribute MacChess 4.0 provided it is not modified in any way.
-
- I would appreciate it if you sent me email or a postcard to tell me
- what you think of MacChess 4.0.
- If there are any errors in the MacChess 4.0 program and its
- documents, please let me know. Thanks.
-
- • File:
- - New Game: [CMD-N] Starts a new game.
- - Open Game: [CMD-O] Opens a game stored in MacChess format.
-
- - Import:
- PGN: (Portable Game Notation) reads a standard PGN ASCII text game file.
- See the "Notes" at the end of this file for where to find PGN files.
- The name of the text file must end in .PGN.
- EPD: (Extended Position Description) reads a standard EPD chess position.
- The name of the text file must end in .EPD.
-
- - Save Game: [CMD-S] Saves a game in MacChess format. If the current game
- already exists on disk in MacChess format, this command
- will update (overwrite) the existing file without
- further prompting.
-
- - Save Game As ...: Save game in MacChess format in a user-specified file.
-
- - Save:
- Game Text as Column: Saves the game text in ASCII format, one row per full-move.
- Game Text as Rows: Saves the game text in ASCII format in rows (compactly).
- Board Graphic: Saves the board position as a picture (PICT format).
- Board as Text: Saves the board position as an ASCII text representation.
-
- - Export:
- PGN: (Portable Game Notation) writes a standard PGN ASCII text file.
- EPD: (Extended Position Description) writes a standard EPD chess position.
-
- - Page Setup: Sets printer options
- - Print Game: [CMD-P] Prints the game text in at most four columns on a page.
- - Print:
- Game Text as Rows: Prints the game text in rows.
- Board Graphic: Prints the board position in graphic format.
- Board as Text: Prints the board position as an ASCII text representation.
-
- - Quit: [CMD-Q] Exits the MacChess program.
-
- • Edit:
- - Undo: [CMD-Z] Takes back a move. You may take back moves repeatedly.
- - Redo: [CMD-R] Replays the move that was last taken back.
-
- - Cut: [CMD-X] disabled.
- - Copy: [CMD-C] This copies information from the active window to the
- Clipboard. What is copied depends on which window is
- active (in front, highlighted):
- Moves window - a game in PGN format to the Clipboard.
- Board window - the board position in EPD format to the Clipboard.
- PV window - the principal variation as one text line into the Clipboard.
-
- - Paste: [CMD-V] This will paste to the active window as follows:
- Moves window - a PGN game from the Clipboard into MacChess.
- Board window - the EPD position from the Clipboard into MacChess.
-
- - Clear: disabled.
-
- - Preferences: [CMD-;]
- Show the Preferences dialog box and lets you select:
- Opening book [ on/off ]
- Permanent Brain [ on/off ]
- Sound [ on/off ]
- Color [ color or black & white ]
- Piece movement [ click-click or click & drag ]
- Notation [ Short algebraic or long Algebraic ]
-
- Piece Sets:
- Classical:
- Modern:
- American: by Richard A. Fowell.
- Cheque: by Heinrich E. Roescheisen.
- Zuerich: by Heinrich E. Roescheisen.
-
- Square Colors:
- Light Blue
- Green and Buff by Richard A. Fowell.
- Light Brown
- Light Red
- Grey
- Blue
- Green
- Brown
-
- - Save Preferences
- All options in the preference menu will be saved.
-
- • Players:
- - Play [CMD-G]
- Switches colors so MacChess has the move - also starts MacChess thinking.
- - Player vs MacChess: Player (white) against MacChess (black).
- - MacChess vs Player: MacChess (white) against Player (black).
- - Player vs Player: Can also be used to reach a position through
- an opening you choose yourself.
- - MacChess vs MacChess: MacChess plays automatically against itself.
-
- • Level: [CMD-L]
- - Set Level:
- Play Times: You can choose time per move and number of moves.
- Choice Times: You can choose the time per game and the number of moves.
- This can also be done for the time after the time control.
- Fixed depth: You can set a fixed search depth.
- Mate in: MacChess searches to a mate in ... . Special mate-finding logic
- is invoked when the level chosen is one of the "Mate in" choices.
- This finds forced mates quickly and correctly if the depth is
- correct. It doesn't always find mates faster than the regular
- search, however.
- Infinite: MacChess searches till you stop it with [command] F.
- Or a forced completion is reached - e.g., forced mate.
- Easy: Choose this level if you want an easy game.
-
- 2) " - Reset Time: [CMD-=]
- The clocks are initialized again as follow.
- Reset example: one minute per move, number of moves 60, after 24 moves.
- - Total time used: 24 x 1 minute = 24 minutes.
- - Time per move 1 minute.
- - Number of moves left 36.
- - Total time left: 36 x 1 minute = 36 minutes.
-
- - Save Level Settings:
- MacChess remembers the time control setting.
-
- • Options:
- - Game Info: [CMD-I]
- You can fill in the fields for the standard PGN tags and two lines of
- comments. This information is also saved. Only the White, Black and Info
- will be printed.
-
- - Player Name ...:
- You can fill in and save a player's name. The first eight letters of
- that name will be displayed in the time window as the name of MacChess's
- opponent.
-
- - Game Pause: [CMD-H]
- The clocks will be stopped and we wait.
-
- - Hint:
- The move that MacChess thinks is your best continuation.
- Note: this is the second move of the Main Line shown in the PV window.
- Note: not available when the game is still in the MacChess opening book.
-
- - Force Move: [CMD-F]
- Make MacChess move immediately.
-
- - Setup Board: [CMD-U]
- You can set up any legitimate board position. Clicking on a piece makes
- the square empty, clicking on an empty square puts the piece on it.
-
- Items:
- Icons: 6 Black and 6 White piece icons for placing pieces.
- Radio buttons: Use to select whether White or Black is to move.
- Buttons:
- Full Board: Sets the Setup Board to the starting position.
- Empty Board: Sets the Setup Board to an empty board
- Flip Board: Rotates the Setup board 180 degrees.
- Cancel: Exit Setup Board as though you never entered.
- Ok: If the Setup Board position is legal, you can play.
-
- - Flip Board: [CMD-D] turns the game board 180 degrees, reversing
- whether White or Black is at the top.
-
- - Next Best Move:
- This option takes back MacChess's last move, and searches for the
- best different move. Note that repeating this option will search
- the moves remaining other than the previous "best moves" of
- the move list until no moves are left.
-
- • Analyses:
- - Analyze MC Positions:
- This analyzes a series of positions and saves the results to disk.
-
- After selecting 'Analyze Positions' you progress through four dialog boxes:
- 1 - Set the Time.
- 2 - Select the file that lists the position files (such as Serie CCR).
- 3 - Select the name of your output file.
- 4 - Confirm the information you have entered, and
- see how long the analysis will take.
-
- - Analyze EPD Positions:
- This does the same as Analyze Positions except it analyzes the
- positions stored in a file in .EPD format. Such files must be text files,
- and their names must end in .EPD. Of course, they must contain positions
- in proper .EPD format. Many such files are provided with MacChess.
-
- While MacChess is analyzing an Analysis Status window shows information
- about the test being run.
- For example, when testing a file of .EPD positions, it shows:
- - the name of the file
- - the "id" (identification field) and "bm" (best move) or
- "am" (move to avoid)
- - the number of the position being examined and the total number of
- positions in the file.
-
- - Analyze Game:
- This will analyze all or part of a game for white or black or
- both colors. The results are saved in a file.
-
- - Stop Analyzing:
- Exit the analysis session.
-
- - Analyze Player vs Player:
- This option puts MacChess in the player vs player mode and activates
- the search engine. So you can watch the search output while playing
- the moves yourself.
-
- - Log:
- This saves the search output to disk during a game. This will let you see
- what MacChess was thinking when you review the game later.
-
- • Windows:
- - Hide(Show) PV Window [CMD-1]
- - Hide(Show) Info Window [CMD-2]
- - Hide(Show) Book Window [CMD-3]
- - Hide(Show) Moves Window [CMD-4]
- - Hide(Show) Time Window [CMD-5]
-
- - Save Window Positions
- Remember the window positions and whether they are open or closed.
- The next time you launch MacChess, the windows will come up the
- way you saved them.
-
- =============================================================================
-
- postal address: I will move to another address in January 1998.
- Unfortunately the exact address is not known yet.
-
- email address: beusekom@knoware.nl
-
- ============================================================================
- Notes:
-
- 1) PGN is "Portable Game Notation,” and EPD is "Extended Position Notation.”
- These are standards respectively for storing games and positions so that
- other software can read them. Many chess-playing programs and chess database
- programs support these formats. Large archives of PGN files can be found on
- AOL (go to keyword “Chess,” then click on "Chess Forum" and then
- "Chess Club Library"). On the Internet, there are over 250,000 games at
- ftp.pitt.edu under group/student-activities/chess/Uploads (on the Web at
- <http://www.pitt.edu/~schach>). MacChess reads the first 500 games in a
- PGN file. If there are more, split the file into chunks with 500 games or
- less with a text editor like BBEdit Lite.
-
- 2) "Permanent Brain" means the computer thinks on your time, that its "Brain"
- is "Permanently" active. If MacChess beats you all the time, you may want
- to turn this off, and give MacChess a short time to think in the "Level"
- menu. Giving MacChess a small time without turning off Permanent Brain has
- much less effect, since it thinks on your move. If it still wins too often,
- use the "Setup" option so that it starts the game without one of its pieces -
- such as a Queen ("Queen odds") or Rook ("Rook odds"). As you improve, you
- can move from Queen odds to Rook odds to Knight odds to Pawn odds.
- You can also make use of the "Easy" levels.
-
- 3) Information about Macintosh computer chess software and utilities can be
- found on the Web in the "Macintosh Chess FAQ" at:
- <http://www.cybercity.hko.net/newyork/mhousho/index.html>
- and also from Richard A. Fowell's MacChess Home Page at:
- <http://members.aol.com/Macchess/>
-