Nuanced Chess Rules Reminder: Difference between revisions
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Created page with "===Castling=== Conditions: King & chosen rook unmoved; no pieces between; king not in/passing through/ending in check; not in check now. *Kingside (O-O): White king g1/rook f1; black g8/f8. *Queenside (O-O-O): White king c1/rook d1; black c8/d8. *King moves 2 squares toward rook; rook jumps to king's other side. ===En Passant=== *Pawn advances 2 squares from start (e.g., e2-e4), lands beside enemy pawn on same rank. *Enemy pawn captures immediately next move: diagonally..." |
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Chess Board | |||
[[File:SCD algebraic notation.svg]] | |||
===Castling=== | ===Castling=== | ||
Conditions: King & chosen rook unmoved; no pieces between; king not in/passing through/ending in check; not in check now. | Conditions: King & chosen rook unmoved; no pieces between; king not in/passing through/ending in check; not in check now. | ||
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Only on immediate reply; pawn acts as if moved 1 square. | Only on immediate reply; pawn acts as if moved 1 square. | ||
===Pawn Nuances== | ===Pawn Nuances=== | ||
#Capture: Only diagonal forward 1 square (move straight only). | #Capture: Only diagonal forward 1 square (move straight only). | ||
#Promotion: Reach last rank → must promote to Q/R/B/N (not king/pawn); underpromotion possible but rare. | #Promotion: Reach last rank → must promote to Q/R/B/N (not king/pawn); underpromotion possible but rare. | ||
Revision as of 13:17, 6 December 2025
Chess Board
File:SCD algebraic notation.svg
Castling
Conditions: King & chosen rook unmoved; no pieces between; king not in/passing through/ending in check; not in check now.
- Kingside (O-O): White king g1/rook f1; black g8/f8.
- Queenside (O-O-O): White king c1/rook d1; black c8/d8.
- King moves 2 squares toward rook; rook jumps to king's other side.
En Passant
- Pawn advances 2 squares from start (e.g., e2-e4), lands beside enemy pawn on same rank.
- Enemy pawn captures immediately next move: diagonally to passed square, remove advanced pawn.
Only on immediate reply; pawn acts as if moved 1 square.
Pawn Nuances
- Capture: Only diagonal forward 1 square (move straight only).
- Promotion: Reach last rank → must promote to Q/R/B/N (not king/pawn); underpromotion possible but rare.