西洋棋戰術謎題：贏棋的戰術主題
大師水準以下的對局，大多是被一個戰術決定的：沒人看到的捉雙、讓你丟子的牽制、撕開王城的棄子。把這些戰術主題一個一個學會，你就會開始在自己的對局裡看見它們。
戰術是一段簡短、帶有強制性的著法，能贏得具體的東西：子力、更好的局面，甚至直接拿下王。第一次遇到戰術時，感覺就像魔法，但其實它們只由少數幾種棋型組成。一旦你的眼睛熟悉這些形狀，它們就會自己跳出來。
下面每篇指南都用白話解說一種戰術主題：它長什麼樣子、哪些線索會洩漏它、哪些錯誤會讓它失敗，以及幾個幫你在棋盤上找到它的習慣。每一頁最後都有範例謎題，可以一步一步看下去。
戰術主題
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捉雙
One piece, two targets: learn to find knight, pawn and queen forks before your opponent does.
App 裡有 24,037 道謎題 -
牽制
Freeze a piece in place, then pile up on it: learn to create, exploit and escape pins.
App 裡有 13,039 道謎題 -
串擊
Hit the big piece, make it step aside and collect whatever was hiding behind it.
App 裡有 4,118 道謎題 -
閃擊
Move one piece, unmask another and hit two targets at once with a discovered attack.
App 裡有 10,808 道謎題 -
閃將
Check from behind lets your front piece go anywhere it likes, and that freedom wins games.
App 裡有 5,403 道謎題 -
雙將
Two checks at once: no blocks, no captures, only a king move, and often a quick mate.
App 裡有 1,752 道謎題 -
引離
Find the piece holding everything together, force it to leave, and watch the position collapse.
App 裡有 8,827 道謎題 -
引入
Sacrifice to drag the king or another piece onto a square where your next blow lands perfectly.
App 裡有 9,565 道謎題 -
騰挪
Sometimes your own piece blocks the winning move. Clear it with tempo and the path opens.
App 裡有 3,271 道謎題 -
阻斷
Drop a piece into the defender's path and cut the line that holds the position together.
App 裡有 1,290 道謎題 -
中間著
Pause before the obvious recapture and slip in a stronger move first.
App 裡有 2,365 道謎題 -
X 光攻擊
Long-range pieces still work through other pieces. Learn to see the line behind the blocker.
App 裡有 1,230 道謎題 -
棄子
Give up material on purpose and get something bigger back: mate, a stronger attack or more material.
App 裡有 20,904 道謎題 -
消除保護者
Find the piece holding everything together, take it, and watch the position collapse.
App 裡有 1,522 道謎題 -
被困的棋子
A piece with no safe squares is a piece you can win. Learn to close the door.
App 裡有 2,371 道謎題 -
無保護的棋子
Your opponent left something undefended. Spot it, check it's really free, and take it.
App 裡有 7,762 道謎題 -
靜著
No check, no capture, yet the game is over. Learn to find the calm move that decides.
App 裡有 11,421 道謎題 -
防守著法
Your opponent threatens something nasty. Find the one move that keeps you in the game.
App 裡有 14,475 道謎題 -
迫移
Every move makes things worse. Learn to force your opponent into it, and to avoid it yourself.
App 裡有 3,038 道謎題 -
同線著法
Your piece already owns the line. The winning move is choosing the right square on it.
App 裡有 1,100 道謎題
攻王
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王翼攻擊
Sacrifices, rook lifts and mating nets aimed at the castled king.
App 裡有 18,295 道謎題 -
后翼攻擊
Open files and well-timed sacrifices against a king that castled long.
App 裡有 3,611 道謎題 -
暴露的王
Chase a king with no pawn cover using checks, forks and mating nets.
App 裡有 8,166 道謎題 -
攻擊 f2/f7
Strike at f7 or f2, the soft spot next to an uncastled king.
App 裡有 2,045 道謎題
兵與特殊著法
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挺進兵
A pawn deep in enemy territory is the key: support it, clear its path or use its bite.
App 裡有 14,303 道謎題 -
升變
Find the sequence that gets your pawn to the last rank and crowns a new queen.
App 裡有 5,622 道謎題 -
低升變
Promote to a knight, rook or bishop when a queen would miss the win or allow stalemate.
App 裡有 721 道謎題 -
吃過路兵
Use the special pawn capture to open lines, give check or even deliver mate.
App 裡有 1,095 道謎題 -
王車易位
Positions where castling is the best move, sometimes with check or even mate.
App 裡有 1,001 道謎題
如何有效練習戰術
- 連續幾天專注在同一種戰術主題。同一個想法連看二十次，比隨機解題更快建立辨識力。
- 選擇大約能答對三分之二的難度。太簡單學不到東西，太難只會讓你學會亂猜。
- 永遠先檢查強制性著法：將軍、吃子和威脅，雙方都要看。
- 複習你解錯的題目。今天解錯的那一題，就是你今天最有價值的一題。
