SudoCue

SudoCue Solving Trick Codes

 

FH - Full House

Only a single cell in a row, column or box requires a value.

See Full House (Sudopedia).

D1 - Last Digit

For any of the 9 possible digits, 8 of the 9 required have been placed.

B1 - Box Hidden Single

See Hidden Single (Sudopedia).

R1 - Row Hidden Single

See Hidden Single (Sudopedia).

C1 - Column Hidden Single

See Hidden Single (Sudopedia).

N1 - Naked Single

See solving guide

E1 - Extra Group Hidden Single

Hidden Single in a diagonal, disjoint group, Windoku window pane or other designer constraint

E2 - Unmarked Group Hidden Single

Hidden Single in an additional group which is not marked as such, but can be deducted by the player (like in Windoku)

US - Unlocked Single

See solving guide

LP - Locked Pair

See Sudopedia

LT - Locked Triple

See Sudopedia

L1 - Locked Candidates 1

See solving guide

L2 - Locked Candidates 2

See solving guide

L3 - Locked Candidates 3

Locked candidates between an extra group and a row, box or column. Applies to Windoku, Sudoku-X, and other variants.

L4 - Locked Candidates 4

Locked candidates between an unmarked group and a row, box or column. Applies to Windoku.

N2 - Naked Pair

See solving guide

N3 - Naked Triple

See solving guide

N4 - Naked Quad

See solving guide

H2 - Hidden Pair

See solving guide

H3 - Hidden Triple

See solving guide

H4 - Hidden Quad

See solving guide

X2 - X-Wing

See solving guide

X3 - Swordfish

See solving guide

X4 - Jellyfish

See solving guide

RP - Remote Pair

See solving guide

CP - Connected Pair (a.k.a. Crossover)

See Sudopedia

SK - Skyscraper

See Sudopedia

2S - Two-String Kite

See Sudopedia

Y2 - XY-Wing

See solving guide

Y3 - XYZ-Wing

See solving guide

CT - Color Trap

See solving guide

CW - Color Wrap

See solving guide

ER - Empty Rectangle

See solving guide

See Sudopedia

SC - Sue De Cock

See Sudopedia

AP - Aligned Pair Exclusion (APE)

See solving guide

F2 - Finned X-Wing

See Sudopedia

F3 - Finned Swordfish

See Sudopedia

F4 - Finned Jellyfish

See Sudopedia

S2 - Sashimi X-Wing

See Sudopedia

S3 - Sashimi Swordfish

See Sudopedia

S4 - Sashimi Jellyfish

See Sudopedia

MC - Color Wing

See solving guide

G1 - BUG+1

See solving guide

U1 - Unique Corner

See solving guide

U2 - Unique Side

See solving guide

U3 - Unique Subset

See solving guide

U4 - Unique Pair

See solving guide

YC - XY-Chain

See Sudopedia

MT - Medusa Bridge

See solving guide

MW - Medusa Bridge

See solving guide

MB - Medusa Bridge

See solving guide

MX - Medusa Complex

See solving guide

AL - Almost Locked Set

See solving guide

ZT - NRC-ZT-Chain

See Sudopedia

NT - Nishio Templates

See Sudopedia

TC - Table Conflict

Try every remaining candidate in a constraint (cell or house + digit). Process the implications of each of these choices. If a candidate gets eliminated in each scenario, you have found a table conflict.

TV - Table Verity

Try every remaining candidate in a constraint (cell or house + digit). Process the implications of each of these choices. If a cell gets the same value in each scenario, you have found a table verity.

BF - Brute Force

Apply the power of a backtracking algorithm.

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