Update

chess.md

@@ -156,7 +156,7 @@ What is **the most typical game**? We can try to construct such a game from a ga
 22. Qb3 O-O-O 23. Qa3 Qc5 24. Qb3 d5 25. Bf1
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-What's **the best and worst opening move according to the engines?** Please remember that engine best move is not necessarily the best move for a human, see the note on perfect play above. Also the answer will depend on which engine (what evaluation function) you use and to what depth you search. According to Lichess cloud database (accessible via public API) that stores stockfish evaluations for various positions, e4 leads to the best evaluated position (18 centipawn, evaluated to depth 70; the move is also seen by many as best for humans), closely followed by d4 and Nf3 (both 17 centipawn, depth 47 and 56) and C4 (12 centipawn, depth 59). Worst move here is by far g4 with evaluation -96 centipawn (depth 52) -- almost a whole pawn, i.e. stockfish says that by playing this move you basically just throw away your pawn immediately. Another bad move is apparently f3 (-76, depth 40), Nh3 (-42), Na3 (-33), b4 or h4 (both -28). In general both humans and engines are basically deciding between e4 and d4, deeper evaluations keep oscillating between them.
+What's **the best and worst opening move according to the engines?** Please remember that engine best move is not necessarily the best move for a human, see the note on perfect play above. Also the answer will depend on which engine (what evaluation function) you use and to what depth you search. According to Lichess cloud database (accessible via public API) that stores stockfish evaluations for various positions, e4 leads to the best evaluated position (18 centipawn, evaluated to depth 70; the move is also seen by many as best for humans), closely followed by d4 and Nf3 (both 17 centipawn, depth 47 and 56) and c4 (12 centipawn, depth 59). Worst move here is by far g4 with evaluation -96 centipawn (depth 52) -- almost a whole pawn, i.e. stockfish says that by playing this move you basically just throw away your pawn immediately. Another bad move is apparently f3 (-76, depth 40), Nh3 (-42), Na3 (-33), b4 or h4 (both -28). In general both humans and engines are basically deciding between e4 and d4, deeper evaluations keep oscillating between them.
 
 How big is the **white's starting move advantage**? Based on the above evaluations of all starting moves the initial position is rated at 18 centipawn (for the best move found, e4), i.e. with this specific engine and search depth we are told white has, in material terms, an advantage of almost a fifth of a pawn.
 
@@ -222,7 +222,7 @@ The individual men and their movement rules are (no man can move beyond another,
 
 { Cool players call knights *horses* or *ponies* and pawns *peasants*, rook may be called a *tower* and bishop a *sniper* as he often just sits on the main diagonal and shoot pieces that wonder through. Also pronounce *en passant* as "en peasant". Nakamura just calls all pieces a *juicer*. ~drummyfish }
 
-**Check**: If the player's king is attacked, i.e. it is immediately possible for an enemy men to capture the king, the player is said to be in check. A player in check has to make such a move as to not be in check after that move.
+**Check**: If the player's king is attacked, i.e. it is immediately possible for an enemy man to capture the king, the player is said to be in check. A player in check has to make such a move as to not be in check after that move.
 
 A player cannot make a move that would leave him in check!
 
@@ -232,7 +232,7 @@ A player cannot make a move that would leave him in check!
 
 **Checkmate**: If a player is in check but cannot make any move to get out of it, he is checkmated and lost.
 
-**En passant** (aka "surprise motherfucker", pronounced as *en peasant*): If a pawn moves 2 squares forward (from the start position), in the immediate next move the opponent can take it with a pawn in the same way as if it only moved 1 square forward (the only case in which a men captures another man by landing on an empty square).
+**En passant** (aka "surprise motherfucker", pronounced as *en peasant*): If a pawn moves 2 squares forward (from the start position), in the immediate next move the opponent can take it with a pawn in the same way as if it only moved 1 square forward (the only case in which a man captures another man by landing on an empty square).
 
 Threefold repetition is a rule allowing a player to claim a draw if the same position (men positions, player's turn, castling rights, en passant state) occurs three times (not necessarily consecutively). The 50 move rule allows a player to claim a draw if no pawn has moved and no man has been captured in last 50 moves (both players making their move counts as a single move here).