1

Opening

2

First move

3

Dubious move

4

Blunder

5

Fool's mate

6

Middle game

7

Early queen move

8

Week square

9

Skewer

10

Accept

11

Back rank mate

12

Castling

13

Gambit

14

Positional play

15

Isolated Pawn

16

Queening Square

17

Promotion

18

Swindles

19

End Game

20

Zugzwang

21

Prophylaxis

22

Problem Child

23

Breakthrough

24

Adjourn

25

Forced move

26

Sacrifice