Scores 8X23 MainChallenge


February 2005 Scores


Analyses by Richard Pavlicek

The “Mission: Implausible” play contest had 1153 participants, and everyone scoring above average is listed here. Ties in the rankings are broken by the date and time of submission (earliest wins). At the end of this page is a “Bot’s Eye View,” which shows how various computer programs fared.

Top 100101201301401501Location RankingBot’s Eye View

Number of participants1153
Number of locations118
Highest score58
Median score38
Lowest score11
Average score38.44

Top 100

RankScoreCCName123456
158USilCharles BlairAFFACA
258CNWeidong YangAFFACA
357PLWojtek SiwiecAFBBCA
457UKenJohn ReardonAFBBCA
557CNNing LiuAFBBCA
657UKenJonathan MestelEDEACA
757UScaRob StevensAFBBCA
857UScaJim MundayAFBBCA
956BEAlon AmselAFBBCC
1056HULajos LinczmayerEFFACA
1156ZWLeif-Erik StabellADEACE
1256AUBruce NeillAFFBCA
1356CHOlivier La SpadaADBBCA
1456CNJing LiuEFFACA
1556UKwaJulian PottageAEEACA
1656FIMauri SaastamoinenAFFBCA
1756INNeelotpal SahaiEFFACA
1855CAonGord MurrayAFFACE
1955DERainer HerrmannEFBBCA
2055PLMarcin ZbrojaEFBBCA
2154USohJerry FinkEFBBCC
2253PTManuel PauloAFBFCA
2353USpaSteve WhiteEFBBEA
2453CAonBala IyerAFBDEA
2553USwaN. Scott CardellAFEBCF
2653UKenDouglas DunnAFBFCA
2752FRGilles KorngutCDBACC
2852ILMichael TillesADEBBA
2952ILRuth LoonsteinEDBBEA
3052UKenDavid HodgeEFBABA
3152ROVladimir KissAFBDCE
3252UKenJulian WightwickADBDEA
3352HRMario ZeljkoAFFFCA
3451CNWuping LuADFFCA
3551USnyBarry RigalAFBCCE
3651CNMichael LiuADBFCC
3751NLToon RooijakkersADBBEE
3851TRLeyla KezerADFAFA
3951USwaMike WilsonEDBBEC
4051ILAmiram MilletEDFDCA
4151UKenLorne AndersonEDBBEC
4251USinTim DeLaneyCFFBCA
4351USscJimmie CannonADFAFA
4451NLDale RudrumAFBFEA
4551CNXiongwen GuADFFCA
4651USnyJack PresserAFEBAE
4751TRGuven DalkilicADBFCC
4851CAnsBryson CrowellEDBBCE
4950UScaTysen StreibADBACD
5050TRBurak YurdakulCDBBCC
5150USnyGene MarksADEDCF
5250UScoPaula WarrenAEFBEA
5350UScaBabu BakshaniADBABE
5450NLJan TesselaarFFBBCA
5550RSVeljko VujcicFFEAEC
5650VECarlos GoldsteinADBBFA
5750BGOgnian SmilianovCEBACA
5850MYTimothy Liang KanADBBFA
5950CApqAnsar BurneyAEBBEC
6050PLJulka KowalskaDDBBCA
6150UScaRoger CloughADFBEE
6250AUNed StokesEEFAEA
6349CAonDavid TurnerACBBCE
6449CNZizhuo WangEFFADA
6549USflLance MarrouAFBBDC
6649AERavi ShivramAEBAFA
6749USutJunyi ZhuEFFADA
6849USmaJoon PahkAFFFCE
6949BEBram AmselADBDEE
7049USilJon SorkinAFFDEE
7149VEMiguel FenteCDBBEA
7249ESJordi SabateAFECFA
7349USndSteven ConleyEDFBAA
7449UStxKen BrantfergerCCBACA
7549AUEd BarnesADFCCE
7649UScaRichard AronsonCDBDCA
7749UKenGareth BirdsallAFFFCE
7849TRUfuk CotukEFFFCC
7949UScaSteve MagerADBBEF
8048AUBernard NightingaleAEFBAA
8148USscWes BaileyBDBBCA
8248USiaRichard NewellEDBBFA
8348USflSandra BergerACBBAA
8448CAonJared RileyACBDEA
8548HKPui Kong ChiuCDBAEE
8648NLJohn MolEDEBDA
8748IDAnton D. VarmaACFABA
8848CApqNorm GordonEFBFCE
8948USmaSuzanne CunninghamECBBEA
9048USnyPetar LjubicicAFBFEE
9148ROAndrei SecheleaADBBDC
9248NLThijs VeugenEFBFCE
9348CApqDenise FortinEEFBEA
9448FIJouko PaganusEFBFCE
9548ROBogdan MitranFFBBEA
9648USflMiles ThomsonADBBDC
9748USmdBrad TheurerCDBBCE
9848SKStefan ChomaACBABC
9948CAonDoug McAvoyEFBFEC
10048NLRinus BalkenendeCDBBCE

Scores 8X23 MainChallengeAnalysesTop February 2005 Scores

Places 101-200

RankScoreCCName123456
10148PLJacek MasiarekEABBCA
10248PLWojtek UrbanEABBCA
10348USilLarry RobbinsCEBBCA
10448UScaJohn ChenADBDFA
10548FIJussi TamminenAFBFEE
10647PTAntonio PalmaCDFBCE
10747USnmErik LauerCDFACF
10847PLStanislaw MakowkaEDEBDC
10947INGovind KoteeswaranEDBFCE
11047TROsman OzcanCFBDCE
11147UKenTony HardenEDBBDA
11247CApqFernand LaliberteEEBABC
11347CAnsPatrick HealdADEBBF
11447USohBarbara BisesiECFBEA
11547NZFraser RewACBBEE
11647ITMarco CatellaniADBFEE
11747CAonDale FreemanAFFFEE
11847USmaJeffrey GertzADBBFE
11947CAonJeff MayhewEDBFCE
12047TRAzer InalACBBBA
12147NLChris TraversCDFBEC
12247CHCatherine BrandtDEBAEA
12347BESebastien LouveauxFFBAEE
12447INVishnu Vardhan ReddyCDFBEC
12547USflRobert SolomonEEFBEC
12647INLakshmi ChariEDBBDA
12747PLAndrzej KrakowiakDEBBCA
12847CAonKim IrelandDDEBAA
12947FIMikko KekkiEFBDFA
13047SECarsten KofoedADEECE
13147UKenToby KenneyEEBDEA
13246PTJorge CastanheiraEDBBCD
13346USnvJoshua DonnEFBDEF
13446CHMiriam KullEEBADA
13546UKenMalcolm LunnDDFABA
13646UStxPeter HudsonADFBFE
13746UScaJim RuppFFEBEE
13846CApqJanine VerretDDFABA
13946USnyHarry ApfelCDBBEE
14046CAonPearl GoodmanACEBDA
14146NZMartin ReidCFBABE
14246USnjJune SakamotoDEEBEA
14346CAonDavid ColbertADBBDE
14446USflEd MallinsonEDFBDA
14546USnyHerb BermanACFADA
14646CNRoger SunEFBFEE
14746NOJostein AmundsenAEFFEA
14846SEAllan ObergEDBBDC
14946FIJyrki LahtonenADBBBF
15046CApqMathieu PellerinDDBBAA
15146UScaAllen ProhofskyECBDEA
15246NLSipke BreimerEDBBDC
15346CAonDavid GraingerAEBAFE
15446UScaNancy SommervilleADBDDC
15546USnvCarol SimonCDBBCF
15646USflJeanne TwaitAEBBDA
15746CAonJohn CunninghamADFDAE
15846USvaMariana KoosEDBBDC
15946USnjDon DavignonEDFBDA
16046CNYing MaADFFEE
16146COMauricio TawilCDFBAA
16246UScaDoug DragosEDBBDC
16346CAnsGerald MurphyFDBACF
16446CAbcJoyce MunichEDFBDA
16546PTJose MataCDFBAA
16646CAonKevin ConwayADBECE
16746CAskBarry HarperAFBDFE
16846PLDarek KardasDCBBCA
16946UScaAlexander HendersonEDFBEF
17045DEHans FleischhackCCBBEA
17145ILInon LiranACBFCE
17245USnyRita RedlichEDFBDC
17345UKwaAlan StephensonECBBEE
17445USmaIrene L. FinkleEFEFDA
17545AUKen DalleyECBFCC
17645USnjBlair SeidlerADBDFE
17745UScaVicki LesterBDBBEC
17845PTAntonio Costa-CabralEDFBDC
17945UKenTony PhilpottEEBBBC
18045UKenRobert TeesdaleAFFFDA
18145ATAnton FischerCEFBEA
18245CAabLucas KarpiukECEFEA
18345BEOscar VerhoevenACEBDC
18445UKenRoger MortonCDBBFA
18545DEGuenni GaulobBDEDEA
18645GRAthanassios AkylasECFBAA
18745UScoDavid CapreraFFBDCE
18845UKscMike HammettEDBBAF
18945USinDan MytelkaADBBFF
19045IEPadraig O’BriainCFBFCE
19145INRaghavendra RajkumarCEBAEE
19245UKenMartin TaylorEEBBFA
19345FRThibault WolfCFFCCE
19445UKenRob HelleADBFEF
19545NLArno EversdijkADBFDA
19645USkyMike HarneyECBAEF
19745AUDiana HearnAAFFCA
19845BEAlan PiotrowskiADBDFE
19945UScaChristopher EarlEDBAFF
20045BEGeert van SoomAABADA

Scores 8X23 MainChallengeAnalysesTop February 2005 Scores

Places 201-300

RankScoreCCName123456
20145TREmre BarlasADCBEC
20245TROkan OzcanAFFFEF
20345CAonLinda WolburghEDFBDC
20445USmnDale TaylorAFEDFF
20545CAonSheila PuzADFFFA
20645GRAnastasios Kyriakis-BizzarosADBFFC
20745FIKirsi VirtanenDDBBCF
20845USctTerry LubmanCDEBDA
20945ATMichael BenediktFDFBCE
21045USmnMike CasselEDBBFE
21145USohJohn KropinakCDFAEF
21245AUBill PowellACBBDA
21344ITMichele JarodADBFBE
21444AUDavid SternAABBFA
21544CNAihua ZhaoACBCCF
21644JPNico MatsumotoCFEFCF
21744USazBeverly TerryACFAFE
21844SGFabian TanADFFDA
21944ITMihnea PopescuEEBBDA
22044BEAnne de BackerEEBBEF
22144BEDirk DevooghtCDBFCE
22244UKwaKeith DavisonECFADA
22344UScoLois ScottADFFDA
22444NOHans LahneACFBDA
22544USpaKathy MillerECFBCF
22644NLJacco HopCCBBEC
22744UScoJeanne AchzigerEDBFFA
22844UScaBarbara JonesCEFBEC
22944AUJohn FarrCDBBDA
23044FIAnil NijhawanCBEBCC
23144UKenPeter StewartDDBBBC
23244DERoland WatzdorfFDBDEC
23344NOSjur BoeEFCBEC
23444USnjJonathan BrillFDBBCF
23544EEHendrik NigulCDBDEE
23644CAbcKai ZhouDDFBEE
23744UScaBarbara TaftCCFBEA
23844CApqMelissa GiguereEDBBDE
23944SITolja OracADBBDF
24044CApqPatrick FournierCDBBAE
24144UStxJonathan FergusonADBFBE
24244UScaDaniel BargolisCDBBDA
24344USorKevin LewisEDFBFE
24444UScaJoe FendelCCBBCE
24544BEAdolf RappeDFBBDA
24644CZOndrej TichyCDBBDA
24744UScaJack ShifferECEBEF
24844NLFrans BuijsenFDFFCA
24944PTPaulino CorreaCBBBCA
25044USmdHarold CampbellDAFACC
25144THApisai MakmitreeCDBFCE
25244BGTchavdar NikolovCDBFCE
25344USnyRobert FrickEDFDEF
25444PLSlawek CwiekDABBCA
25544UKenGeraint HarkerACBDFA
25644ESGonzalo GodedBDBAFA
25744ESGabriel FractmanCCBBEC
25844BGIrina DimitrovaEEFBFA
25943UKenAshley SawyerECFBFA
26043NLMichael ReuserCDEFEE
26143SEPeter KarlssonEFBCFE
26243USmdMollie LipmanDCFBEA
26343AUGaye MarksDBBAEA
26443USmiGordon ParnesADBDFF
26543BMFlorin PatriciuEEBBDC
26643CAonDinshaw BurjorjeeACFBDC
26743USctJim BrennanDCBBEC
26843ATKarl EigenbauerCDBBDC
26943SGJing Yee CheeCCEBCF
27043SIJure VehovecCDFBDA
27143ROAdrian CraciunCFBFBA
27243CAonJack ShinehoftCDFFCE
27343USilKathy WeissECBBDA
27443USazGeorgia JackaCEFBAA
27543CAonMatthew MasonBDBBEE
27643UScaMartin HertzCCFBEC
27743USmdSam PhillipsCDFBDA
27843USgaMarc DavisDDFFEA
27943AEJagor CotaCDFBDA
28043USpaPat PolicellaCDFBDA
28143USalBen WheelerCABBEA
28243USmnPaul MeerschaertEFBFBE
28343AUInez GlangerCDFBEF
28443USilBob FashDDBFEC
28543CApqRobert MontgomeryDEBBAA
28643USazTom SchlangenFFFCCE
28743UKenColin StreetCDFBDA
28843UKenJohn CondonCDFBDA
28943BGTatiana TrendafilovaEDFBDE
29043UKenChrys PooleCFFBDC
29143USnjTina DalyDDBDEE
29243USinBud HinckleyADBFFE
29343PLKazik DrozdzDBBBCA
29443ESMercedes EizmendiCDBBDC
29543USnvBarry GorenEFBCFE
29643UKenTeymur TahseenACBFBA
29743FRGillian HewittECEBDC
29842DKJacob GrabowskiEEFBDC
29942BGGeorgi BachevCCBBEE
30042BGKamelia BalabanovaCDBAFF

Scores 8X23 MainChallengeAnalysesTop February 2005 Scores

Places 301-400

RankScoreCCName123456
30142USncFaye SattinDEFBAA
30242USohCraig BiddleACDBCE
30342CApqJean-Luc LachanceEDBFDC
30442UKenAndrew RobsonCFEDFE
30542FRJean-Christophe ClementAEBBFF
30642UKniRobin BurnsCDBBFE
30742PLKrzysztof KurowickiDEFBAA
30842NZPeter WilsonEDFDFE
30942USflBurt BergerDCEAEF
31042HKSing LamFCFBEA
31142CApqMichel LalondeEDFFDA
31242AURuben LjunghCEBBFA
31342CAonTerry SyeEEFBDC
31442CAonPaul CrosslandBDFBEE
31542UKenCatherine FriedmanCEEBDA
31642ILRafi AmadoEDFFDA
31742SESebastian SahlDEBADA
31842USvaMorgan ThistleECFBFC
31942UKenDavid SimsECFDCF
32042UKenMark GoodwinDBEAAA
32142USnjAustin FitzgeraldEDFFDA
32242HKWing Ho LoCDBFCF
32342CAonRobert AveryEABFEA
32442USmdTanya RodichEDBBDF
32542NLPeter van de LindeCDBBFE
32642USflAlan KravetzACFBFE
32742UStxJim HobkirkDEBFCC
32842ITLazz Mare’CCBBAC
32942AUPhil GallaschADCBFA
33042UKenRog CortisEDBFDC
33142CAonFintan ChurchBDFADA
33242USncWilliam SchminkDDBBDC
33342USwaChris MooreFDBBDA
33442BRGuilherme GuimaraesCFFFEE
33542USmiRose BurkeECCBCA
33642USflVera BrezinDDFBDA
33742EEJan TartanBDBFEA
33842FRJerome RombautCDBFCF
33942FRAlain BoudonCDBBAF
34042ITPierluigi SessoloDDFBDA
34142BRTamara Pereira de SousaDDBBDC
34242DEZuzana HerrmannEEFBDC
34342CAbcPeter CrawleyCDFBDC
34442NOTor Arne EggeBDFADA
34542CApqAlain GagnonDDFBDA
34642USmnDavid GronbeckECFBDA
34742USorMike SweetAFBFFF
34842BGMihail NedyalkovCDBFEE
34942USmiJoseph MountCDFBDC
35042CAbcRob DunnEEEBDE
35142INArpan BanerjeeDAFBCC
35242INSivakumar SalemCFBECE
35342ZAUlrich NellADAADE
35442FIMatti NiemiCDBBFE
35542USorJohn LuskyEDFFDA
35642CAnsRosemary SampsonCEFBCF
35742CAnsJim MathersCCBDCE
35842PLRoman KujaczynskiAEBFDA
35942NLDaniel de Lind van WijngaardenFDFCCE
36042ROLorand DaliCFFAFF
36142UScaJessica LaiCCBADA
36242UKenJohn HaslegraveFFFBEF
36341PLZbych BednarekEDFCFE
36441GRAugustin TsirimokosFDFBFC
36541SISimon PirjevecDDFBDC
36641USnhBruce DowningECFBDC
36741AUMichael SeldonCCBFEA
36841NOKay StrandACBFFC
36941USilBrian MoranFFFABF
37041USnjRichard LazarAECBAA
37141USinJanet JauchABFBDA
37241SEThomas KarlssonDCBBEE
37341USctKen GraebeBDBBDA
37441CAonJordan CohenFDBBCD
37541CApeRon ButlerCEBBDA
37641KRRick WakemanACBBFF
37741CAbcRalph YetmanAAFBDC
37841UScaBelva QuattrinCEFADC
37941CNQing YeADBFFF
38041UKenMike ClarkeADBFFF
38141CAbcCurtis WrightAEBBDF
38241CAonPaul RedversDFFBAF
38341CAbcRobert GerrieADCFCE
38441UKenDavid KendrickEFFFFE
38541UScaSandy BarnesFFBBFE
38641USflJohn RidenourDEFBAC
38741ROGeza Stanca-VassEFCBFA
38841USscRick GilesCFBBFF
38941USnyGene SaxeEDBFFE
39041UKenMike CraggACBFDA
39141CAnsScott GreenoughCCBBFA
39241CAonRobert LakeDEBBBC
39341PTManuel OliveiraFFBFCF
39441PLRobert WroblewskiEDFBDF
39541BGGancho GanevCDFFEE
39641GRMaria TasioniCDBADF
39741UKenMark ReeveAEFFDA
39841UKscTim McKayACBFEF
39941ILBerti GlaubachEDBDFF
40041NOJohn KirkholtBDBBDA

Scores 8X23 MainChallengeAnalysesTop February 2005 Scores

Places 401-500

RankScoreCCName123456
40141USflFlorence HaftDEBBFA
40241NLTjebbe WitteveenCCFDCE
40341ATChristian PiringerFCFBCE
40441USohSteve JadosACFEEC
40541USflMichael LipmanBCFBEA
40641HUPeter LakatosFFBBFE
40741USctGeof BrodFFBFCF
40841USflJudi KaufmanDEBBBC
40941USflWilliam SlepinCCBBFA
41041INGiridhar WadhwaEEFDDA
41141PTJoao CruzBEEFCC
41241INGowniyan VaideeshwarCFBDFE
41341UKenRoderick EwanCDFCFA
41441USilJack HagertyDEFDEC
41541NOMagnus SkaarEEFBFE
41641UKenPeter BrookCDFBFE
41741ROHoria GarbeaCEBBDA
41841UScaMichael MazurCDDBEC
41941USohJohn HeftECBBAF
42041USnyRita SierocinskiDEFADA
42141ITGiorgio CitoneCDBFFA
42241USpaFrank AbelCDEFDA
42341RUOleg MorozDDBBFE
42440USncEve-Simone PastorEABBDC
42540UScaLen VishnevskyCDFBDE
42640SIEgon NovakCDFDDC
42740FRChristian OstermanBEBBBA
42840USwaJosh SinnettCDBDFE
42940USnySteve KleinEAFBDA
43040USflBonnie TeeterACFBEB
43140USflGerald AverbuchAAFDFC
43240EGEssam AlyEDCBFA
43340UKenJohn HallCDFFFA
43440UKenJonathan de SouzaCEBBDC
43540USilMark KesslerCDBBFF
43640USwaDave SetterholmAEFFBE
43740USncJim MassonFDBFEE
43840UStxBill WalkerEDFFFE
43940USflJohn David PhillipACCFCA
44040NZKerry KellyEBFBFA
44140CAabNicolae VartosuCFFFEF
44240USmdJay WeinsteinECFDEF
44340IDPika PiskantoCEFAFE
44440CAonRandy BreuerACFBFF
44540USgaTom CarmichaelCDBFEF
44640USnjSteven ShulmanFDBBFE
44740HKAnthony LeungDDBDDC
44840BGElena MitkovaCDBBFF
44940NLMonique van de SandeCDBBFF
45040USnyGregg DeitchFDBBFE
45140CLAlex SadzawkaDEFBBC
45240ROAlexandru BanarCECBCA
45340TRNukhet UrgunluDCFBAC
45440UScaCharles ThompsonCDBFFC
45540USflBob BernhardCDBBEB
45640UScaJoseph ChinDDFDDA
45740USilTed McHughDEBBDA
45840UScaBarbara WareDEFBBC
45940NOSvein Erik DahlCCBBFC
46040UKenJane RutherfordDEFBFA
46140EEMeelis TiitsonADBFDF
46240CAbcMichael DimichFFBECE
46340CNGray TanBDEFEE
46440CHPedro BilarCEFBDA
46540UKenRobin HolmesCEBBDC
46640ITVanni NozzoliCCBFEC
46740NLPeter LinssenBDEBFE
46840UScaAkira WatanabeBDFBEF
46940LVAigars GermanisFDBBFE
47040UKenStephen HurstCFFFEF
47140USilSteve SchwartzCEFBDA
47240USohJim MyersCEBBDC
47340USnyGerald CohenFCBBEE
47440AUCharles BakerDCFADA
47540BGChavdar KochkovEFBFFF
47640USmaDavid RockCCBBDA
47740UKenNigel MarlowCDBBFF
47840USnyAlbert FeasleyCFEFFE
47940USflErika GreenfieldEAFBDA
48040USksCarl WhiteFFFBFE
48140CApqPascale GaudreaultACFBFF
48240AMArtem BaloyanCDCDCC
48339USnhLawrence CheethamCDFFEF
48439UKenGijs HaarlemCDBBDF
48539USmdJoe BotkinDEFBDA
48639CAonLeone WilsonBEFBBA
48739UKenNeil PrebbleACBDFF
48839NLJ.J. GassEDBFFF
48939FRAlbert OhanaBFBFFA
49039USflJohn BradyADFFDF
49139UStxBill ErwinFDBECE
49239SGGary AngBDFBDC
49339PTJose OliveiraCEBDFC
49439UScaDan ScarolaEDCBFC
49539USctGary SeckingerECBFDA
49639USncSusan CrutchfieldEEBBDF
49739CApeJudy ReillyCDFFDA
49839UKenChris ChallinorDEFBDA
49939USflLinda GreenEEFFFC
50039USilDan GoldfeinACEFDE

Scores 8X23 MainChallengeAnalysesTop February 2005 Scores

All Others Above Average

RankScoreCCName123456
50139NZBruce KellyDDCBEC
50239USnvKenneth WanamakerEEFFFC
50339INKesavan SubramanianAACBEC
50439NLBart TrakselCCBBDC
50539NLPeter van CasterenBEBACD
50639FRDona NezCDBBDF
50739USilNancie FlaxmanBEFBBA
50839CAbcNicholas BuckEDCBDA
50939CAbcJorgen ChristensenCAFBBA
51039AUJacqui LundEDCBEF
51139USpaSal BerenholzEDFDDF
51239USnyMildred SimonDEFBDA
51339SGEugene HoFAFBEC
51439USnyJohn RicottaCEFBDC
51539USpaMichael LauzonEEFFDA
51639TRAltay AlpEDCBDA
51739CAnsBrian LaffertyCCFFCE
51839GRIoannis PegiosEDCBEF
51939USflPatrick ThomasCDBBDF
52039CApqMichel LabBCBDEC
52139CAabDick YuenEDCFCE
52239NLHarry van der WeeEEFFFC
52339UScaLee HazeEEFFDA
52439INVenkataramanayya KesirajuACBFFE
52539UKenGabriel IpAABFDA
52639NOSverre HagaDABADA
52739UKenSteve KitchingCAABCA
52839UKenBill MarchFFBFDA
52939USalJim MendelsohnCDBDDE
53039BRItalo BovoCCFBFC
53139ITDavide GentileCDBBDF
53239AUHarry van der VeekeBCBADA
53339USvaPrahalad RajkumarCDFBFF
53439UKscMyles EllisonADCAFF
53539SEOve MattssonCABBFA
53639USflJerry GreyCEFBDC
53739AUCraig TabernerAEBEEF
53839USkyMax HooverEEBFCD
53939AUSandra WhalleyBCFBAA
54039UKenGeoff BowdenCFCBCF
54139PTAntonio GomesDCBBDA
54239USnjEileen CohenCDBFCD
54339PTManuel AntunesCEBFAC
54439FRGuy LedanoisFDFFCF
54539RORadu BlejeruEEBDBF
54639USmdRichard MucciEDCBDA
54739USscMaria KielEDEFDF
54839USnyRobert ElliottCDFFFC
54939HRZoran BohacekCDFFEF
55039USmaHelene PortnoyEDFBFD
55139BGVentseslav DankovFDFFCF
55239CAonDiana HumphrysCEFBDC
55339FIHarri Kivi-KoskinenCDDBEE
55439HRMiso LakicCCFBFC
55539CAabDorothy MorrisonDCFBBC
55639UScaJimmie SwanCEFBDC
55739CAnsB. Downey GroverEFFFFF

Names with accented or non-English letters have been converted to an English representation with a 26-letter alphabet. Many people use erratic capitalization, so I determine proper case by algorithm; if this does not correctly display your name, please advise and I will add it to the exception list. If you wish to contact someone whose name you see listed (such as a lost friend) give me permission to send your address to that person, then he or she can contact you. I will not give out e-mail addresses (these are private and go nowhere from me).

Scores 8X23 MainChallengeAnalysesTop February 2005 Scores

Location Ranking

This table lists all the participating locations, ranked by the average score of their entries. The “Best” column shows the best finish (by rank) of any player in that location. Locations with less than five entries are ineligible for the top ranking and grouped separately.

RankAverageBestCCLocationEntries
144.5016FIFinland10
244.0013CHSwitzerland5
343.943PLPoland17
442.002CNChina24
542.00181ATAustria5
641.8043USscSouth Carolina5
741.139BEBelgium15
841.0042USinIndiana6
940.5727FRFrance14
1040.40239SISlovenia5
1140.3857BGBulgaria16
1240.36116ITItaly11
1340.3019DEGermany10
1440.0010HUHungary7
1539.5748CAnsNova Scotia14
1639.3835USnyNew York32
1739.2638TRTurkey23
1839.2552UScoColorado8
1939.2097USmdMaryland10
2039.174UKenEngland84
2139.1787IDIndonesia6
2239.17188UKscScotland6
2339.1518CAonOntario53
2439.1059CApqQuebec30
2538.9037NLNetherlands41
2638.88208USctConnecticut8
2738.86186GRGreece7
2838.8312AUAustralia35
2938.8033HRCroatia5
3038.5817INIndia24
3138.50264USmiMichigan8
3238.33164CAbcBritish Columbia15
3338.1531RORomania20
3438.14243USorOregon7
3538.1372ESSpain8
3638.0721USohOhio15
3738.0025USwaWashington13
3837.961USilIllinois24
3937.9328ILIsrael15
4037.88147NONorway16
4137.727UScaCalifornia75
4237.5685HKHong Kong9
4337.4622PTPortugal28
4437.46301USncNorth Carolina13
4537.3868USmaMassachusetts16
4637.30204USmnMinnesota10
4737.29217USazArizona7
4836.9765USflFlorida63
4936.7174UStxTexas17
5036.65142USnjNew Jersey20
5136.55115NZNew Zealand11
5236.17469LVLatvia6
5336.1123USpaPennsylvania19
5435.88130SESweden16
5535.8356VEVenezuela6
5635.25190IEIreland8
5735.22353ZASouth Africa9
5835.00218SGSingapore8
5935.00278USgaGeorgia7
6034.30158USvaVirginia10
6132.00580USmoMissouri6

RankAverageBestCCLocationEntries
6256.0011ZWZimbabwe1
6350.0058MYMalaysia1
6449.0067USutUtah1
6549.0073USndNorth Dakota1
6648.0082USiaIowa1
6748.0098SKSlovakia1
6846.0066AEUnited Arab Emirates2
6946.00161COColombia1
7046.00167CAskSaskatchewan1
7144.7515UKwaWales4
7244.00251THThailand1
7343.50133USnvNevada4
7442.00196USkyKentucky2
7542.00306UKniNorthern Ireland1
7641.00376KRKorea (South)1
7741.00423RURussia1
7840.75182CAabAlberta4
7940.50235EEEstonia4
8040.50246CZCzech Republic2
8140.00375CApePrince Edward Island2
8240.00482AMArmenia1
8339.75334BRBrazil4
8439.50216JPJapan2
8539.00265BMBermuda2
8639.00366USnhNew Hampshire3
8738.00107USnmNew Mexico2
8838.00561CDCongo (Dem Republic)1
8938.00562USwyWyoming2
9038.00577MZMozambique1
9138.00609UShiHawaii1
9238.00615USmtMontana1
9337.0055RSSerbia3
9437.00281USalAlabama4
9537.00451CLChile2
9637.00685USneNebraska1
9736.00626USdcWashington DC4
9836.00700CAmbManitoba3
9936.00705PKPakistan1
10035.50570CRCosta Rica2
10135.00795UKjeJersey & Guernsey1
10235.00806USakAlaska1
10334.33480USksKansas3
10434.00432EGEgypt2
10534.00627TWTaiwan3
10634.00864MXMexico1
10733.50576USmsMississippi2
10833.00766USlaLouisiana4
10933.00783LBLebanon2
11033.00854ISIceland2
11133.00925MKMacedonia1
11232.67298DKDenmark3
11332.00968USmeMaine1
11431.50725UStnTennessee2
11531.33694USwiWisconsin3
11629.00989USokOklahoma3
11729.001063VGVirgin Islands UK1
11826.001125ARArgentina1

Scores 8X23 MainChallengeAnalysesTop February 2005 Scores

Bot’s Eye View

I posed these play problems to some of the well-known bridge computer programs, and the results are tabulated below. (These results are not included in the “number of participants” shown above, nor in the calculation of the median or average score.) Most of the programs have different skill settings (thinking time), and this was set to the highest level within reason.* The scores and rankings, based on six specific problems, are not necessarily indicative of each program’s overall capability.

*I do not allow any setting that takes more than a minute to make a play. Time considerations are also used to break ties, i.e., if two bots have the same score, the edge goes to the one using less time. Tests are conducted on a 3.4 GHz CPU with 512 MB RAM, running Windows 98.

Congratulations to Bridge Buff (Canada) which topped the bots this month with a respectable 49. GIB (US) was second with 47. Blue Chip Bridge (UK) and Jack (Netherlands) were the only others to top the average human score. I thought the scores would be lower this month because few of the programs apply matchpoint strategy, e.g., trying desperately for overtricks. Perhaps they just made a few good guesses, which never hurts for humans either.

As usual, some of the chosen plays were off my list. On Problem 1, GIB chose to cash one heart before ruffing two spades and a diamond (Line G) to reach an ending that might work if East had C K-Q-x, so I awarded it 5. On Problem 2, GIB won the C Q, ruffed a heart and led a diamond (Line G), certainly better than two of the listed choices, so I awarded it 4. On Problem 6, Micro Bridge and Q-plus Bridge chose strange play sequences (Line G) which were surely better than the absurd Line B, so I gave it 3. Other wayward choices (Line H = hopeless) are best left undescribed; it’s too close to dinner time.

Problem 4 required a routine unblocking play at trick one (S A-K-8-6-3 opposite J-10-9-5) and I was curious how many of the bots would do this. Ouch. All but two blocked the spade suit, effectively leaving no route to success. Congratulations to GIB and Q-plus Bridge, which had the wisdom to foresee this.

HAL had another fine score, and I’m not kidding! In the past, HAL rarely made double figures, but it recently became a Scrabble fanatic. Now, instead of doubling partscores, HAL only thinks about double word scores, so this month’s answers are just as bad as ever — in fact twice BAD. Nice touch, HAL.

February 2005 Rankings
RankScoreCCProgram version123456
149CABridge Buff 11.0EDBFCC
248USGIB 6.1.3GGBACA
343UKBlue Chip Bridge 4.2.2HDBDCE
439NLJack 2.04HCFFCA
536USBridge Baron 15.0ECBHFC
629JPMicro Bridge 11.00HCFBHG
729DEQ-plus Bridge 7.1BHFAFG
823USHAL 9003BADBAD

Participants (alphabetical)
ProgramAuthor/Creator
Blue Chip BridgeIan Trackman and Mike Whittaker
Bridge BaronTom Throop and Stephen Smith
Bridge BuffDoug Bennion
GIBMatthew Ginsberg
HALSomeone with a warped mind
JackHans Kuijf
Micro BridgeTomio and Yumiko Uchida
Q-plus BridgeHans Leber

Scores 8X23 MainChallengeAnalysesTop February 2005 Scores

© 2005 Richard Pavlicek