P1 基础技巧Basic Classic Techniques
(1) 基本功 Basic
(2) 直观技巧 Direct
■组合区块Cascading Locked Candidates
✿显性数对Naked Pairs
■显性数组Naked Subsets
✿隐性数对Hidden Pairs
■隐性数组Hidden Subsets
(3) 视角 Perspective
✿互补Complementariness
■大面积互补Phistomefel
✿代数Unknown Cover
✿远程数对Remote Pairs
✿宇宙法Universe
P2 进阶技巧Advanced Classic Techniques
(1) 唯一性技巧 Uniqueness
■唯一矩形类型3 UR Type 3
■唯一环Unique Loop
✿ABC-UR
■ABCD-UR
■可规避矩形Avoid UR
■全盘唯一矩形Reverse UR
■待定BUG Almost BUG
(2) 欠一类 ALP
■融合待定数组Sue De Coq
P3 高级技巧Difficult Classic Techniques
(1) 链结构 Chains
✿单链结构Chain
■空矩形Empty Rectangle
✿守护者Guardian
✿首尾异数链XYX-Chain
■不连续环Discontinuous Nice Loop
■自噬链AIC
(2) 基础鱼 Basic Fish
✿Xwing
■剑鱼Swordfish
■水母Jellyfish
■宫内鱼Franken Fish
■内鳍宫内鱼Endo-Finned Franken Fish
■交叉鱼Mutant Fish
■自噬鱼Cannibalistic Fish
(3) 分支匹配Wings
■WXYZwing
✿M-Wing
■S-Wing
■L-Wing
■H-Wing
P4 复杂技巧Complex Classic Techniques
■双RCC的ALS-XZ Doubly Linked ALS-XZ
■ALS-XYwing/XYChain
■ALS-Ywing
■死亡绽放Death Blossom
■弱ALS Weak ALS/WALS
✿标准环Continuous Nice Loop
P5 理论技巧Dreadful Classic Techniques
✿区域强制链Region Forcing Chain
■矛盾强制链Contradiction Forcing Chain
✿动态链Dynamic Chain
✿毛刺Burr
✿强毛边Strong Bi-Burr
■弱毛边Weak Bi-Burr
■毛边环Bi-Burr Loop
✿不饱和鱼 Unsturated Fish
■秩Rank
✿初级飞鱼导弹Junior Exocet
■高级飞鱼导弹Senior Exocet
■衰弱飞鱼Weak JE
✿网MSLS