One in a Krillion +100NovotnyA study idea where you sacrifice a piece on the exact square where two enemy pieces cross, jamming both at once. Composers adore it.Deep Cut +852700 clubAbortAdjournmentAdjudicationAdvance VariationAdvantageAlapin VariationAlbin CountergambitAlekhine's DefenseAlekhine's gunAnalysisAnastasia's mateAnderssen's mateAnnotationAnnounced mateAntichessAntipositionalArabian mateArbiterArtificial castlingAtomic chessAttackAverbakh VariationBabson taskBad bishopBalestra mateBare kingBarnes OpeningBasque chessBatteryBelgrade GambitBenko GambitBenoni DefenseBerlin DefenseBerserkBindBird's OpeningBlackburne's mateBlackmar-Diemer GambitBlind pigsBlindfold chessBoden's mateBogo-Indian DefenseBongcloudBook moveBotez GambitBotvinnik SystemBreakthroughBreyer VariationBrilliancyBudapest GambitBughouseBuilding a bridgeBustByeCaissaCalculationCambridge SpringsCan openerCandidate MasterCandidate moveCastling rightsCatalanCentipawnCentralizationCheapoChess blindnessChess clockChess engineChess problemChess960ChessboardChessmenChigorin DefenseChop woodClosed gameCoffeehouseColle SystemCollinear moveCompensationComposerComputer moveConnected passed pawnsConsolidationCookCorner mateCorrespondence chessCorresponding squaresCounterattackCountergambitCounterplayCountry moveCow OpeningCrampedCrazyhouseCross-checkCrosstableDamiano's mateDanish GambitDark-squared bishopDavid and Goliath mateDead positionDefenseDemonstration boardDescriptive notationDesperadoDirectmateDominationDouble attackDoubled rooksDovetail mateDragonDraw by agreementDraw deathDraw oddsDrawishDuck chessDuplexDutch DefenseECOElephant GambitEn priseEndgame studyEnglund GambitEpaulette mateEqualizeEvaluationEvans GambitExchange VariationFairy chessFantasy VariationFENFIDE MasterFingerfehlerFishFivefold repetitionFlankFlank openingFog of warForced mateForced moveFortressFour Knights GameFrontier lineGardezGlickoGood bishopGrandmaster drawGrasshopperGreco's mateGreek giftGrob's AttackGrotesqueGrunfeldHalf-open fileHalloween GambitHand and brainHanging pawnsHauptturnierHedgehogHelpmateHippopotamus DefenseHoleHook mateHordeHypermodernICBM GambitIcelandic GambitIllegal moveImbalanceInaccuracyIndian DefenseInsufficient materialInterposeIrregular openingJ'adoubeKey moveKey squareKibitzKickKill box mateKing huntKing of the HillKing safetyKing walkKing's Fianchetto OpeningKing's Indian AttackKing's Pawn OpeningKnight's tourKotov syndromeKriegspielLadder mateLatvian GambitLegal's mateLight-squared bishopLiquidationLolli's mateLong diagonalLoose pieceLucena positionLuftMain lineMajor pieceMar del PlataMaroczy BindMarshall AttackMasterMatchMating netMax Lange's mateMayet's mateMeran VariationMiniatureMinor pieceMobilityModel mateModern DefenseMorphy's mateMoscow VariationMouse slipMove orderMysterious rook moveNational MasterNightriderNimzo-IndianNimzowitsch DefenseNimzowitsch-Larsen AttackNormNoveltyOctopusOddsOld Indian DefenseOpen gameOpera mateOpposite castlingOutpostOutside passed pawnOver the boardOverprotectionOwen's DefensePanov AttackPatzerPawn breakPawn centerPawn grabberPawn islandPawn majorityPawn racePetrov DefensePGNPhilidor DefensePhilidor positionPillsbury's matePirc DefensePlachuttaPlyPoisoned pawnPonziani OpeningPositionPositional playPost mortemPremovePrepared variationPrinciple of two weaknessesPriyomeProof gameProphylaxisProtected passed pawnPure mateQueen's Gambit AcceptedQueen's Gambit DeclinedQueen's Indian DefenseQueen's Pawn OpeningQuickplay finishQuiet moveRacing kingsRaking bishopsRecaptureRefutationRemisRemoving the defenderRepertoireReti OpeningReti's mateRetrograde analysisRomantic chessRook liftRossolimo VariationRoyal forkSamisch VariationSandbaggingScalpScore sheetScotch GameSecondSelfmateSeriesmoverSeventy-five move ruleSharpSimulSitzfleischSkittlesSlav DefenseSmith-Morra GambitSofia rulesSokolsky OpeningSortieSpite checkSqueezeSt. George DefenseStafford GambitStaircase maneuverStauntonStem gameStonewallSudden deathSuffocation mateSveshnikov VariationSwallow's tail mateSwindleSwiss systemTabiyaTablebaseTakebackTarrasch DefenseTarrasch ruleTensionTheoryThreatThree-checkTiebreakTime pressureTorre AttackTranspositionTrapped pieceTrebuchetTriangle mateTriangulationTripled pawnsTroitsky lineTrompowsky AttackTwinTwo Knights DefenseUnderminingUSCFValveVienna GameVukovic mateWaiting moveWare OpeningWeak squareWinawer VariationWindmillWing GambitWoman Candidate MasterWoman FIDE MasterWoman GrandmasterWoman International MasterWoodpusherWrong bishopZaitsev VariationZeitnotZwischenschachRare +60Algebraic notationArmageddonBack rank mateBackward pawnBishop pairBlockadeBulletCaro-KannCenterClassicalClearanceCombinationDecoyDeflectionDevelopmentDiagonalDiscovered attackDiscovered checkDoubled pawnsEloEnglish OpeningExchangeFianchettoFIDEFifty move ruleFlagFrench DefenseFried Liver AttackHanging pieceIncrementInitiativeInternational MasterIsolated pawnItalian GameKing's GambitKing's Indian DefenseKingsideLondon SystemMaterialMinority attackNajdorfNotationOpen fileOpposite-colored bishopsOppositionOverloadingPassed pawnPawn chainPawn stormPawn structurePerpetual checkQueensideRapidRatingRuy LopezScandinavian DefenseSmothered mateSpaceTempoThreefold repetitionTime controlTouch moveTrapUnderpromotionVariationX-rayZwischenzugSchooler +30BishopBlitzBlunderCaptureDouble checkDrawEn passantEndgameFileFool's mateForkGambitGrandmasterKingKnightMiddlegameOpeningPawnPinPromotionQueenQueen's GambitRankResignRookSacrificeScholar's mateSicilian DefenseSkewerStrategyTacticsZugzwangPlankton +10CastlingCheckCheckmateStalemate
