SoundnessKeyLine effectsPins & unpinsPlaying on specific squaresChanged playSingle phaseTwo phaseMultiphaseManeuversCorrectionMisc/UnsortedRetrograde analysisChecksTempoPawnsLogicalSacrificeBatteriesDecoy & DeflectSelfblocks & unblocksInterferenceModel matesCheckmate patternsSystem
CookedUnsoundShortmateDualIllegal position
Checking keyFlight giving keyFlight taking keyFlight giving and taking key2 flights giving key3+ flights giving key
Barulin (A)Somov (B1)B2IsaevLevman
PinningIndirect pinningSelfpinningIndirect selfpinningUnpinningIndirect unpinningHalf-pinThird-pinFourth-pinPelle moveSchiffmannNietvelt
Kin — BS WS  — Asy
King star flightKing Y-flightBK starWK starBB starWB starBQ starWQ starBK crossWK crossBR crossWR crossBQ crossWQ crossBS wheel
WS wheelPickaninnyAlbinoPlay on same squareMates on same squareDefences on same squareDefences on the threat squareRovnoUmnovLoshinski magnetKeller paradoxCorner to cornerFour cornersPlatzwechselAsymmetrical solution
Changed matesMutateReciprocalLacnyLacny 4-foldLacny 5-foldTransferred matesRukhlisIdeal Rukhlis
FleckKarlstrom-Fleck
ReversalThreat reversalAnti-reversalThreat anti-reversalLe GrandPseudo Le GrandShedey cycleErokhinKiss cycleLender combinationJurasevic cyclePseudo Jurasevic cycleRudenko
Bar — RicRic — She
BarnesUraniaBannyVladimirovUkrainianUkrainian 4-foldUkrainian 5-foldZagoruikoDombrovskisHanneliusStocchiBanny cycleComplete LacnyComplete Shedey cycleRice cycle 4-fold
Rice cycleShedey cycle 4-fold
Run — IndDou — Che
RundlaufSwitchbackAmbushZigzagSnakePendulum maneuverStaircaseReti maneuverHerlin maneuverSystematic movementCritical moveAnti-critical moveBristolAnti-BristolIndian
DoublingTurton doublingZepler doublingLoyd clearanceLoyd-TurtonBrunner-TurtonCheney-Loyd
Black correctionSecondary black correctionTertiary black correction4th degree black correction5th degree black correctionWhite correctionSecondary white correctionTertiary white correction4th degree white correction5th degree white correctionArrival correction
No  — AmeOne — Cyc
No pawnsBlockValladaoDual avoidanceWhite combinationsDominationFocalAnnihilationCastlingGrotesqueWhite minimalDuelTaskPerpetuum mobileAmerican Indian
OnelinerChristmas treeODTZilahiCyclic Zilahi
RetroCantcastlerCeriani-FrolkinPRA
Provoked checkCross-checksCheck - Non-checkHalf checkPerpetual check
Tempo moveTempo duelWin of tempoLoss of tempoPseudo-twomover
En passantPromotionWhite underpromotionBlack underpromotionExcelsiorAllumwandlungBabsonHolstPhoenix
Logical problemRoman themeAnti-Roman defenceDresden themeAnti-Dresden defenceHamburg themeElbe themeSwiss themeBerlin themeMunich theme
Active sacrificePassive sacrificeClearance sacrificeSequential sacrifice of different unitsMultiple sacrifice of a single unit
Battery playHalf-batteryThird-batterySiers batteryPopandopulo batteriesMansfield batteryRehm deviceTwo step batteryBattery creationBattery destructionIndirect batteryAnti-battery
DecoyDeflectIncarcerationMousetrapSeeberger
SelfblockRemote selfblockMutual block3-fold cyclic block4-fold cyclic blockUnblockRemote unblockStocchi blocksBikos
Gri — MasDou — Ant
GrimshawNovotnyLatvian NovotnyAzerbaijani NovotnyFinnish NovotnyRomanian NovotnyEnglish NovotnyPerfect NovotnySequential NovotnyHolzhausenPlachuttaWurzburg-PlachuttaOrgan pipesPickabishMasked interference
Double interferenceAnticipatory interferenceInterference through the BKValveBi-valveGamageGoethartAnti-Goethart
Model matesIdeal matesEcho matesChameleon echo matesOctetModels with pinModels with two pinsModels with three pinsChanged model matesBohemian taskNew Bohemian schoolVienna school
Ana — EpaGre — Swa
Anastasia's mateAnderssen's mateArabian mateBack-rank mateBishop and knight checkmateBlackburne's mateBox mateCorner mateCozio's mateDamiano's bishop mateDamiano's mateDavid and Goliath mateDouble bishop mateDovetail mateEpaulette mate
Greco's mateh-file mateHook mateKing and two bishops checkmateKing and two knights checkmateLolli's mateMax Lange's mateMorphy's mateOpera matePillsbury's mateQueen mateReti's mateSmothered mateSuffocation mateSwallow's tail mate
AttentionTo deleteLocked
YAML fieldOptionConditionPieceFairy piece specificationCommon keyword
authorssourcereprintsawardalgebraicfenstipulationintended-solutionsoptionstwinssolutionkeywordscomments
DefenceDuplexEnPassantHalfDuplexHoleMaxFlightsquaresNoCastlingPostKeyPlayQuodlibetSetPlayThreatVariation
AMU — AntAnt — BicBla — BlaBla — ChaCha — DiaDia — FilFil — IsaKoB — MasMax — NoINoW — ProPro — SneSne — UltUlt — WhiWhi — Wor
AMUActuatedRevolvingBoardActuatedRevolvingCentreAlphabeticChessAndernachChessAnnanChessAntiAndernachChessAntiCirce CheylanAntiCirce CloneAntiCirce CouscousAntiCirce( Calvet)?AntiEinsteinChessAntiKingsAntiMarsAntipodeanCirceAntiMarsCirce
AntiMarsMirrorCirceAntiSuperCirceAntikoekoAntipodeanAntiCirceAntipodeanCirceAntipodeanImmunChessAprilChessArgentinianChessBGLBackHomeBackToBackBiHeffalumpsBiWoozlesBichromChessBicolores
BlackAntiSynchronMoverBlackChecksBlackConsequentForcedSquareBlackEdgemoverBlackFollowMyLeaderBlackForcedSquareBlackMaxDisterBlackMaximummerBlackMinDisterBlackMinimummerBlackMustCaptureBlackMustCheckBlackOscillatingKingsBlackPromSquaresBlackReflectiveKing
BlackRoyalSquareBlackSuperTransmutingKingBlackSynchronMoverBlackTransmutedKingBlackUltraSchachZwangBlackVaultingKingBoleroBoleroInverseBreton( Adverse)?BrunnerChessCastlingChessCavalierMajeurCentralChessChameleonChessChameleonCirce
ChameleonPursuitChecklessChessCheekToCheekChineseChessCirce( RexInclusiv)?CirceAssassinCirceCloneCirceDoubleAgentsCirceTake&MakeCirceTurncoatsContactGridChessContraParrainCirceCouscousCirceDiagramAntiCirceDiagramCirce
DiagramImmunChessDiametralCirceDisparateDoubleTibetDuellistChessEiffelChessEinsteinChessEquipollentsAntiCirceEquipollentsCirceEquipollentsImmunChessExclusiveChessExtinctionChessFaceToFaceFileAntiCirceFileCirce
FileImmunChessFootball( [A-Z0-9]+)?FrischaufCirceFunctionaryChessGenevaChessGhostChessGlasgowChessGridChessHaanerChessHeffalumpsHypervolageImitator ([a-h][1-8])+ImmunChessInfluencerIsardam
KoBulKingsKoeKoLeofamilyLineChameleonChessLortapLosingChessLostPiecesMAFFMadrasi( RexInclusiv)?MagicSquares ([a-h][1-8])+Make&TakeChessMarineChessMarsMirrorCirceMarscirceMasand
MaximummerMessignyChess( RexExclusiv)?MirrorAntiCirceMirrorCirceMirrorCirceCloneMirrorCouscousCirceMirrorFileCirceMirrorFileImmunChessMirrorImmunChessMonochromChessNewKoekoNoBlackCaptureNoBlackPromotionNoCaptureNoIProm
NoWhiteCaptureNoWhitePromotionNormalPawnNorskSjakkOWUPWCParrainCircePartialParalysisPatrouillePhantomChessPhantomChess( RexInclusiv)?PlusChessPointReflectionPromOnlyProteanChess( RexExclusiv)?
ProvocationChessReflectiveKingsRelegationChessRepublicanChessReversalEinsteinChessRexInclusivRoleExchangeRoyalDynastySATSentinellesSentinelles( (PionAdvers|PionNeutre|ParaSentinelles|Berolina))?( Maximum(White|Black|Total) [0-9]+)?SeriesCaptureShieldedKingsSingleBoxSnekChess
SnekCircleChessStingChessStrictSATSuperCirceSuperGuardsSwappingKingsSymmetryAntiCirceSymmetryCirceSymmetryImmunChessTake&MakeChessTibetTraitorChessTransmutedKingsUltraPatrolUltraSchachZwang
UltramarineChessVaultingKingsVerticalMirrorCirceVogtlaenderChessVolageWhiteAntiSynchronMoverWhiteConsequentForcedSquareWhiteEdgemoverWhiteFollowMyLeaderWhiteForcedSquareWhiteMaxDisterWhiteMaximummerWhiteMinDisterWhiteMinimummerWhiteMustCapture
WhiteMustCheckWhiteOscillatingKingsWhitePromSquaresWhiteReflectiveKingWhiteRoyalSquareWhiteSuperTransmutingKingWhiteSynchronMoverWhiteTransmutedKingWhiteUltraSchachZwangWhiteVaultingKingWoozlesWormholes ([a-h][1-8])+
15 — BB1 — BtBu — DoDr — G2G3 — KoKp — MlMm — OrP — RfRh — S4Sa — VaWa — Gy
1,5-leaper (15)1,6-leaper (16)2,4-leaper (24)2,5-leaper (25)3,5-leaper (35)3,6-leaper (36)3,7-leaper (37)Eagle (Ad)Maohopper (Ah)Alfil (Al)Amazon (Am)Antelope (An)Maorider (Ao)Archbishop (Ar)Bishop (B)
Bouncer (B1)Rook bouncer (B2)Bishop bouncer (B3)Bishop eagle (Be)Bishop hopper (Bh)Bison (Bi)Bouncy knight (Bk)Bishop-lion (Bl)Bishop moose (Bm)Bouncy nightrider (Bn)Bob (Bo)Berolina pawn (Bp)Bishop/rook hunter (Br)Berolina superpawn (Bs)Boyscout (Bt)
Root-25-leaper (bucephale) (Bu)Bishop sparrow (Bw)Cardinal (C)Camel (Ca)Contra grasshopper (Cg)Camelrider hopper (Ch)Chinese pawn (Cp)Camelrider (Cr)CAT (cavalier trojan) (Ct)Charybdis (Cy)Dabbabba (Da)Doublebishopper (Db)Doublegrasshopper (Dg)Doublerookhopper (Dk)Dolphin (Do)
Dragon (Dr)("Diagonalspiralspringer") (Ds)Dummy (Du)Eagle (Ea)Edgehog (Eh)Erlking (Ek)Empress (Em)Equihopper (Eq)Elephant (Et)Friend (F)Faro (Fa)Fers (Fe)Fersrider (Fr)Grasshopper (G)Grasshopper-2 (G2)
Grasshopper-3 (G3)Greater treehopper (Ge)Greater leafhopper (Gf)Gnurider hopper (Gh)Giraffe (Gi)Gral (Gl)Gnu (Gn)Gnurider (Gr)Girlscout (Gt)Hamster (Ha)King (K)Kangaroo (Ka)Kinghopper (Kh)Kangarou lion (Kl)Kao (Ko)
Knighthopper (Kp)Locust (L)Bishop locust (Lb)Leo (Le)Leafhopper (Lh)Lion (Li)Nightrider locust (Ln)Loco (Lo)Rook locust (Lr)Rose locust (Ls)Moose (M)Mao (Ma)Marguerite (Mg)Marine ship (Mh)Maorider lion (Ml)
Moarider lion (Mm)Moa (Mo)Marine pawn (Mp)Marine knight (Ms)Nightrider (N)Nao (Na)Nereide (Nd)Nonstop equihopper (Ne)Nightrider hopper (Nh)Nightrider lion (Nl)Orphan (O)Moarider (Oa)Moahopper (Oh)Okapi (Ok)Orix (Or)
Pawn (P)Pao (Pa)Poseidon (Po)Reverse pawn (Pp)Princess (Pr)Queen (Q)Equi english (Qe)Equi french (Qf)Quintessence (Qn)Querquisite (Qq)Rook (R)Rao (Ra)Reflecting bishop (Rb)Rook eagle (Re)Root-50-leaper (Rf)
Rook hopper (Rh)Radial leaper (aka radial knight) (Rk)Rook-lion (Rl)Rook moose (Rm)Rose-lion (Rn)Rose-hopper (Rp)Rose (Ro)Rook/bishop hunter (Rr)Rabbit (Rt)Rook sparrow (Rw)Knight (S)(1,1)-Zigzag Nightrider (S1)(2,0)-Zigzag Nightrider (S2)(3,3)-Zigzag Nightrider (S3)(4,0)-Zigzag Nightrider (S4)
Saltador (Sa)Senora (Se)Ship (Sh)Sirene (Si)Skylla (Sk)Scorpion (So)Superpawn (Sp)Squirrel (Sq)("Spiralspringer") (Ss)Sting (St)Sparrow (Sw)Treehopper (Th)Triton (Tr)Ubiubi (Uu)Vao (Va)
Waran (Wa)Wazir (We)Wazirrider (Wr)Zebra (Z)Zebu (Ze)Zebrarider hopper (Zh)Zebrarider (Zr)X/Y hunter (X/Y)Orix (non-stop) (No)Gryphon (Gy)
ChameleonJiggerKamikazeParalysingRoyalVolageFunctionaryHalfNeutralHurdleColourChangingProteanMagicUncapturable
SoundnessKeyLine effectsPins & unpinsPlaying on specific squaresChanged playSingle phaseTwo phaseMultiphaseManeuversCorrectionMisc/UnsortedRetrograde analysisChecksTempoPawnsLogicalSacrificeBatteriesDecoy & DeflectSelfblocks & unblocksInterferenceModel matesCheckmate patternsSystem
CookedUnsoundShortmateDualIllegal position
Checking keyFlight giving keyFlight taking keyFlight giving and taking key2 flights giving key3+ flights giving key
Barulin (A)Somov (B1)B2IsaevLevman
PinningIndirect pinningSelfpinningIndirect selfpinningUnpinningIndirect unpinningHalf-pinThird-pinFourth-pinPelle moveSchiffmannNietvelt
King star flightKing Y-flightBK starWK starBB starWB starBQ starWQ starBK crossWK crossBR crossWR crossBQ crossWQ crossBS wheelWS wheelPickaninnyAlbinoPlay on same squareMates on same squareDefences on same squareDefences on the threat squareRovnoUmnovLoshinski magnetKeller paradoxCorner to cornerFour cornersPlatzwechselAsymmetrical solution
Changed matesMutateReciprocalLacnyLacny 4-foldLacny 5-foldTransferred matesRukhlisIdeal Rukhlis
FleckKarlstrom-Fleck
ReversalThreat reversalAnti-reversalThreat anti-reversalLe GrandPseudo Le GrandShedey cycleErokhinKiss cycleLender combinationJurasevic cyclePseudo Jurasevic cycleRudenko
BarnesUraniaBannyVladimirovUkrainianUkrainian 4-foldUkrainian 5-foldZagoruikoDombrovskisHanneliusStocchiBanny cycleComplete LacnyComplete Shedey cycleRice cycle 4-foldRice cycleShedey cycle 4-fold
RundlaufSwitchbackAmbushZigzagSnakePendulum maneuverStaircaseReti maneuverHerlin maneuverSystematic movementCritical moveAnti-critical moveBristolAnti-BristolIndianDoublingTurton doublingZepler doublingLoyd clearanceLoyd-TurtonBrunner-TurtonCheney-Loyd
Black correctionSecondary black correctionTertiary black correction4th degree black correction5th degree black correctionWhite correctionSecondary white correctionTertiary white correction4th degree white correction5th degree white correctionArrival correction
No pawnsBlockValladaoDual avoidanceWhite combinationsDominationFocalAnnihilationCastlingGrotesqueWhite minimalDuelTaskPerpetuum mobileAmerican IndianOnelinerChristmas treeODTZilahiCyclic Zilahi
RetroCantcastlerCeriani-FrolkinPRA
Provoked checkCross-checksCheck - Non-checkHalf checkPerpetual check
Tempo moveTempo duelWin of tempoLoss of tempoPseudo-twomover
En passantPromotionWhite underpromotionBlack underpromotionExcelsiorAllumwandlungBabsonHolstPhoenix
Logical problemRoman themeAnti-Roman defenceDresden themeAnti-Dresden defenceHamburg themeElbe themeSwiss themeBerlin themeMunich theme
Active sacrificePassive sacrificeClearance sacrificeSequential sacrifice of different unitsMultiple sacrifice of a single unit
Battery playHalf-batteryThird-batterySiers batteryPopandopulo batteriesMansfield batteryRehm deviceTwo step batteryBattery creationBattery destructionIndirect batteryAnti-battery
DecoyDeflectIncarcerationMousetrapSeeberger
SelfblockRemote selfblockMutual block3-fold cyclic block4-fold cyclic blockUnblockRemote unblockStocchi blocksBikos
GrimshawNovotnyLatvian NovotnyAzerbaijani NovotnyFinnish NovotnyRomanian NovotnyEnglish NovotnyPerfect NovotnySequential NovotnyHolzhausenPlachuttaWurzburg-PlachuttaOrgan pipesPickabishMasked interferenceDouble interferenceAnticipatory interferenceInterference through the BKValveBi-valveGamageGoethartAnti-Goethart
Model matesIdeal matesEcho matesChameleon echo matesOctetModels with pinModels with two pinsModels with three pinsChanged model matesBohemian taskNew Bohemian schoolVienna school
Anastasia's mateAnderssen's mateArabian mateBack-rank mateBishop and knight checkmateBlackburne's mateBox mateCorner mateCozio's mateDamiano's bishop mateDamiano's mateDavid and Goliath mateDouble bishop mateDovetail mateEpaulette mateGreco's mateh-file mateHook mateKing and two bishops checkmateKing and two knights checkmateLolli's mateMax Lange's mateMorphy's mateOpera matePillsbury's mateQueen mateReti's mateSmothered mateSuffocation mateSwallow's tail mate
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