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Unscramble the moves is a training exercise where you must reconstruct the exact move order of a real game. You are shown the initial and final positions of a game fragment, together with all of its moves shuffled; your task is to arrange those moves in the correct order. Open it from the menu: Training → Games → Unscramble the moves . What you see   The window is divided into two halves: Left: Shuffled moves , under the Initial position board. Right: Moves in order , under the Final position board. This is where the sequence is built. The sequence is laid out as on a scoresheet: white moves in the left column ( 1. , 2. , …) and black moves in the right one ( 1... , 2... ). If the fragment starts with a black move, the first cell is left empty. At the top of the window you can read the current Level , the players and the event of the game, and the Errors counter ( 0/16 ). Each exercise is a fragment of a real game taken from the program’s games database. The position...

The game list is accessible via "Tools\Databases." It's a lot of fun to work with an appearance that's tailored to the screen and purpose. When databases need to be compiled, they should be done quickly and effectively. The APPEARANCE of the game list is fully configurable. The CONFIG BUTTON provides access to the options and their saving. PREREQUISITE KNOWLEDGE: The fixed native appearance of a database is defined at creation and has no visible name. Temporary appearances that hide the native appearance can be created, modified, deleted, selected, and reused. Since they are given a name that distinguishes them from others, we call them 'appearance with a name'. Version R2.20c has a breakthrough: by executing the shortcut ALT+C, it allows to directly select an 'appearance with name'. The appearance of the games list changes without having to open a tab or button. By applying consecutive "appearances with name," you can quickly browse any game...

      The GAME LIST is accessible via 'Tools\Databases'.  The tab is called “Games” and contains the “FILTER” button.       There are many REASONS to filter the game list. Search for : 1. Games with your own name. 2. Master games with the titled player's name. 3. Games against a specific opponents or engines. 4. Games played in or outside of Lucas Chess. 5. Tournament. 6. Rapid games or other time controls 7. Period. 8. Annotator. 9. Openings. 10. Positions. How the FILTER BUTTON works.      A) Standard      B) Advanced      C) Opening      D) By Position      E) Remove filter All of these searches have the following in common: 1. The goal is to filter out what is desired. We don't need the uninteresting rest. The filtered gamelist will therefore be very small. 2. Export the gamelist. The filtered gamelist is often saved as a new database for furthe...

The Players tab can be selected in the game list. The Player tab and Opening Explorer tab are a strong duo. To understand the two tabs, we will first compare them. Keep in mind, however, that scores include games won/lost by blunders and by timeout. Therefore, game scores cannot be equated with opening scores. Because no game with a very bad opening can make it to the endgame, a well-played opening is seen as a prerequisite for victory. Information on opening theory can be found under Tools\Openings\Opening lines. The regular openings based on theory are stored there. Opening Explorer: General Opening statistics Application: Results of selected games by depth. The contents of the tab are automatically filtered to the moves played, which are displayed on the chessboard. Game Move Depth: Unlimited Handles Moves, Analysis, Results. The "Rebuild' button allows you to select the number of half-moves for each game to be considered. Opening names are...

The Opening Explorer tab can be selected in the game list. The Opening Explorer is based on a database. By customizing the database, you can customize the Opening Explorer. Example: After studying the Opening Ruy Lopez Opening, you've played it often and search information about: - your results improvement - identifying inaccurate moves. - comparing to another openening i.e. the Italian Giuco Piano. STEP 1: Put together the corresponding games Copy your games into a new database, which you are now preparing. Filter on White=your player name, or Filter on Black = your player name,  according to your piece color. The color of the pieces I play with in an opening is crucial. Filter on a period, e.g., the last 12 months. Filter on the Ruy Lopez Opening. Alternatively, for more precise variations, you can access the corresponding ECO codes in the range C60-C99. (Example: C65: Ruy Lopez, Classical Berlin Defense: 1.e4 e5 2.Nf3 Nc6 3....

The idea is to combine the four tabs — Filter, Players, Performance Rating, and Opening Explorer — into a powerful analysis tool.  Here's how: 1. FILTER TAB Create filters for specific usernames and time controls (e.g., MeOnLichess 180 , MyChessCom 60+2 ) Track games vs. regular opponents using combined usernames Save and reuse filters 2. PERFORMANCE RATING & STATISTICS TAB 2a) Identify Rematch Series & Openings Used Sort by Score to find players you've faced multiple times Use the Players tab to select the player and switch to Opening Explorer to view opening breakdowns 2b) How Often Do I Draw? Sort by name, select yourself, and check Results for draw stats 2c) Retrieve Results from Past Lichess Tournaments Import or filter games using Site=*lichess* , and event name (e.g., *Arena ) Select the period, go to the tab, and sort by Score to recreate the cross table 2d) Rank and Compare Performance in Online Tournaments Download and impo...

 From version 2.20, a new tab named  Performance Rating  has been added to the database game editor.  The Performance Rating tab in the Lucas Chess database editor lets you calculate players’ Elo performance over a set of games. You can select several games (for example, from a tournament or a training session) and see what level of play the results represent. In practice, you open your game database (Tools → Databases), select the desired games, and go to the Performance Rating tab. The program then calculates, for each player or colour involved, the performance Elo they would need to have scored the result they did. As explained on Wikipedia, a player’s performance rating is the Elo rating a player would have if their results produced no net rating change. In simple terms: it shows the level you played as if you had that rating. It measures how well someone played compared to their opponents’ ratings. For instance, if you have a 1700 Elo rating and you score more t...