Challenge Rating, commonly abbreviated as CR, is a system for the Dungeon Master in Dungeons and Dragons to plan encounters and dangers that fit the player characters. The challenge rating of a monster shows how big a threat it is. CR outlines the danger that the monster presents to a group of four player characters … Read more

The Genesys RPG uses a dice system that is different from everything else. Main mechanic deals with custom symbols on the dice, and every roll compares two separate pools; one for skill, the second for opposition The GM mentally forms the opposition pool from negative dice and tells the player about it, while the player … Read more

In chess, the player that moves first (White) has a natural advantage. This is widely accepted since at least 1889, when Wilhelm Steinitz, the first world champion, noticed that Even so, that advantage is not big enough to win if both sides play perfectly. At every level, from grandmaster to beginner, the first move gives … Read more

A chess norm calculator is a free tool that helps estimate the rating of a player after a tournament and determine whether they won a norm or official title Such programs are very useful for folks who want to follow their progress and see how close they are to a title. In chess, a norm … Read more

Chess accuracy is a measure that shows how closely the moves of a game match the best hints of a chess program. The more the figure is near 100, the more “perfect” is the game according to the engine. Even so, there is a problem, that is not an objective measure Chess.com and Lichess give … Read more

Chess notation is basically the written language of chess, it allows players to record moves for study, share them with others and replay them whenever they want. By a combination of letters and numbers, the notation specifies which square a piece moves to. It is very practical, as soon as you get the hang of … Read more

The Endgame is the last stage of a Chess game. It comes after the middle game, when on the board stay only some pieces. The line between the middle game and the Endgame is not always clear. It can arrive slowly or after sudden change of pieces. There is no single precise definition about what … Read more