Scores 8X39 MainChallenge


June 2005 Scores


Analyses by Richard Pavlicek

The “Par for the Course” play contest had 966 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 100101201301401Location RankingBot’s Eye View

Number of participants966
Number of locations115
Highest score60
Median score40
Lowest score21
Average score39.60

Top 100

RankScoreCCName123456
160DERainer HerrmannBDFEDD
260UScaJim MundayBDFEDD
360RUAlex PerlinBDFEDD
459HULajos LinczmayerBEFEDD
559AUBruce NeillBEFEDD
659CNXiongwen GuBEFEDD
758CNWuping LuBDAEDD
858USpaSteve WhiteAEFEDD
958UKenJohn ReardonBDAEDD
1058USilCharles BlairAEFEDD
1158USmaJoon PahkAEFEDD
1258BYDmitri ShabesBDFADD
1358USinTim DeLaneyBDFADD
1458NLRinus BalkenendeBDAEDD
1558PTManuel PauloBDFEDE
1658UScaRob StevensBDAEDD
1758CNWeidong YangBDAEDD
1857USnyChuck LampreyADAEDD
1957USwaN. Scott CardellADAEDD
2057UKenGareth BirdsallADAEDD
2157UKscNigel GuthrieADAEDD
2256CAonDale FreemanBDAADD
2356INMadhukar BapuAEFEDE
2456PLWojtek UrbanBDAEDE
2555USmdBrad TheurerAEFBDD
2655HUImre CsiszarBDFEFD
2754USmoDing-Hwa HsiehBEBEDD
2854CNYong JiangAAFEDD
2954ITMichele JarodACFECD
3054NLNico EnglanderBDADDD
3154UScaEd DavisAEAADD
3253LVIvars RubenisADAACD
3353HRDean PokornyAEFEDA
3453TWStar ChenADEECD
3553DEHarro WimmelBEEECD
3653CApqPeter SchwartzABFEDD
3753UKenJonathan MestelBEFEDF
3852USnyBarry RigalFDAECD
3952UKenAndrew RobsonAEEADD
4052CNNing LiuAEEEDE
4152NLEl AsserBDEECE
4252PLSlawek CwiekBDAEDF
4352PLJacek MasiarekBDAEDF
4452UKenJulian WightwickBDADCD
4551FRGilles KorngutBEEADE
4651HULaszlo SztrapkovicsAEFEBD
4751USflDavid GoldsteinBEAACE
4851FIMauri SaastamoinenBAEEDD
4951CAonRichard PapineauBAAEDE
5051CNCong ZhangADAADB
5150USvaMorgan ThistleAAAEDE
5250FRJerome RombautAAAECD
5350INSubhransu PatnaikBDEEDF
5450BGOgnian SmilianovADFEBE
5550USilEugene DilleFDFACE
5650ROFlorin ConstantinAEFECF
5749UKenAshley SawyerAEAAFD
5849USilTad HofkinBAAECE
5949USmnDavid GronbeckBEABFD
6049USilAmnon HarelADAADF
6149USmnDale TaylorFEAADE
6249UKenRoger MortonABEEDD
6349PLJulka KowalskaBEAADF
6449USohJerry FinkADAECF
6549NLFrans BuijsenBEADDB
6649PLMarcin ZbrojaBDAEDC
6749INNeelotpal SahaiBEDEDE
6849AUBill PowellBDADFD
6948AUGary BrownACAACE
7048UShiWesley HoferFBFECD
7148UKscAlan HamiltonAAAADE
7248CNHongjun ZhongADEAFD
7348CNLiqiang HeAEEAAD
7448UKenDom GoodwinAAAACD
7548UKenDavid SimsAAAACD
7648CApqLuc FavreauAAAADE
7748CAonAlex CameronBBADDD
7848CAonSheila PuzAEADAD
7948ITSilvia JarodACFBFD
8048PLDarek KardasBEABDF
8148USflStuart SchwartzBEACDE
8248USorDottie AllisonAAAADE
8348CAonDavid GraingerBDABBD
8448CNMing ShengADABCB
8548FIJussi TamminenAEFBBD
8648USnyJay LevyACAEAE
8748USorBarry WhiteADFEFF
8848UScaYumiko ReynoldsBAAEDA
8948PLKazik DrozdzBDADDF
9048PLAndrzej KrakowiakBDADDF
9148JPTong XuAEEEDF
9248DEKarl-Jose FillerAEAADF
9348PLMarek MalowidzkiADAAFE
9448USgaMarijan E. WordBEABED
9547RSZoran RadojcicADFDCF
9647USncWilliam SchminkBEADAE
9747CNYunxiu ZhouADEACB
9847CAbcIan HoBAEADE
9947SEBengt-Erik EfraimssonBBABDE
10047FRAlbert OhanaBEEECF

Scores 8X39 MainChallengeAnalysesTop June 2005 Scores

Places 101-200

RankScoreCCName123456
10147ESPilar Gonzalez-HontoriaBAFDCE
10247CAonDavid TurnerFEEADE
10347USilJohn GoringFDAADA
10447CAbcWilliam GroverBAAEED
10547CLAndres HonoratoACAADA
10647CApqMichel LalondeBAADDE
10747USnvJoshua DonnBDAEBB
10847CNWei Victor ZhangAEAEBE
10947ROMarius CosmaFEAACE
11047NLJan TesselaarBDBADF
11147NLBas van GilsBEEDCE
11247CAonKevin ConwayBAEDDD
11347USorJohn LuskyBDBADF
11447CAabDaniel BertrandABAECE
11547USnyElaine UniversalBAAEDF
11647USnyJack PresserFAEEDD
11747CAnsBryson CrowellCCFECE
11847USmaJeanne LennonAEBEAE
11947UKenToby KenneyFDABDB
12047USscJeff ZiemerACFACA
12146NOMagnus SkaarAEAACF
12246AUDavid WiltshireFDEADB
12346HUPeter BreuerBEACAD
12446CNJiao YiliangAAEADE
12546USflBert KabathAAAFDD
12646ROGabriel DinescuBAACDD
12746NLArno EversdijkAAAACE
12846USnjSteven ShulmanAAAACE
12946ITMarco CatellaniAEBAFD
13046EEAllar PadariAAAACE
13146LVIvars LiepaBCABCB
13246BEBart DelbekeBAABCE
13346ROAndrei CosmanescuBAABCE
13446USflPatrick ThomasAAADDE
13546AUJack BanaBBADDE
13646PTMiguel MatosADEEBE
13746CAabNicolae VartosuAAAACE
13846UScaDan HirschbergAAAADB
13946IEPaul WaldronBEADFE
14046UScaRena FarberBBADDE
14146CApqAnsar BurneyBBADDE
14246UScaHarold SimonAECBCD
14346NLDaniel de Lind van WijngaardenBDEACF
14446UScoDavid CapreraADABCF
14546NZNorman Scott-MorrisonAAAADB
14646CNXiaoxin LuBAFEDC
14746NZMichael JohnstoneFEABCE
14846VECarlos GoldsteinADACCE
14946USflZena AbrahmsohnFEABCE
15046UKenJeff CallaghanAAAACE
15146CAonGeorge KitchenAEAACF
15246UKscTerry LillieABFEFE
15345USncFaye SattinABADDE
15445CNPeijie ZangBEABBE
15545NLKaren de LeeuwBAAECF
15645SERoger KarlssonAAABDB
15745USflJohn David PhillipFAAADE
15845USmnPaul SitzAEEACA
15945CAbcGilbert LambertAAEBCD
16045USmaRosalyn DreyfusBAAFDE
16145USwaHendrik SharplesABADDE
16245USohDavid StewartAAABAD
16345USilDavid SheltonBAEACE
16445USpaStan HackAAABCE
16545UScaPhil PecsokAEABCF
16645USnjRichard HawthorneBAAAED
16745UKenBill MarchFEFBBD
16845UStxMark JacksonAEACCE
16945FIJouko PaganusAEAEFF
17045PTLuciano MachadoABAACE
17145UScaAllen ProhofskyBEADCF
17245UScaSteve MagerFAAACD
17345DEMichael KammermeierFDABDF
17445NOJohn AasanAAABCE
17545GRDimitris DanellakisAEACCE
17645INKesavan SubramanianAAABCE
17745HUJozsef SzikszaiBAFACF
17845USnjAleksandar LishkovBBFEFB
17945UScaPatrick ChyeADCAFD
18045USpaDottie AbelABAACE
18145USnySheng LiAAABAD
18245UStxChad HarrisBAEADB
18345FRGuy LedanoisBDEBCF
18445CAnsDel KnoxABAFDD
18545UKenCoral WigginsBBACDD
18645AUGaye MarksABEECE
18745BESebastien LouveauxAFEECD
18845ITCarlo FilibertoABAADB
18945UScaPaul NelsonBBABCE
19045TRVolkan DenizciADABFB
19145ATManfred SchwabBAFACF
19244SISimon PirjevecBABEAE
19344UScaCon SeraBAACDE
19444CApqMarius MoldovanBAAAFE
19544INShreerang JoshiBBFFCE
19644AUTony RolfeBBAAED
19744UKenClare DuttonBBAFDE
19844USmaDonald CaplinBAAAFE
19944USgaJoe SinkeyAAAFDE
20044CLConstantino SifaquiABABCE

Scores 8X39 MainChallengeAnalysesTop June 2005 Scores

Places 201-300

RankScoreCCName123456
20144CAonJohn S. RobsonAAAACB
20244AUPhil GallaschAAAADF
20344UStxGreg HinzeADAAFF
20444UKenMalcolm LunnBEBDCB
20544USmdBob LeveyBAACDE
20644NLJelmer HasperABACDD
20744USwaBrian ZauggBAFBCF
20844USmoCharlie LynnBEDBCE
20944ATHarry RopperBBAECF
21044CHMiriam KullBAABAE
21144UKwaJulian PottageAAABFD
21244NLTommie NooijBAABCB
21344CNRoger SunAEABBE
21444SECarsten KofoedCDBEDA
21544USorJames WeiderAAAECF
21644UKenRoderick EwanAEEACF
21744CAbcSamuel KriklerADECCE
21844CAnsRosemary SampsonAEABBE
21944USakGordon BowerBBAAAE
22044BGTchavdar NikolovABAEFE
22144BGIrina DimitrovaAAAECF
22244FIHarri Kivi-KoskinenABABDB
22343UScaTysen StreibBAEECF
22443USkyChella PeriAAACDE
22543CAonDaniel KorbelFBFEFE
22643USmiPeter DonisAEACAE
22743USpaBruce McLainABAECF
22843USpaTravis CrumpAEACDF
22943CAnsScott GreenoughAAACDE
23043UKenDavid NollandBAAACF
23143USohBob StittBAAAEE
23243UScaRich PavlicekCDAAFE
23343CApqCharles MileretAAAACA
23443UScaSteven HoughCBFEDA
23543ROGeza Stanca-VassFBFBCE
23643UKenSteve KitchingFAAAAD
23743USnjMani GuptaAAACCD
23843ROBogdan MitranABEACE
23943SEJohnny JohanssonBAAFCE
24043CApqSolange BouchardBEAFCF
24143PTVitor LopesBBAEBE
24243USmnAndy CaranicasAAFCCE
24343USazKurt OelzeAAAEFB
24443USflNicki CaplanABAACB
24543BEPierre BoesAAABED
24643UYSara RathauserBAADAE
24743AUNed StokesFAFFDE
24843DEChristiane MielkeBAAACF
24943THEkasith BuasroungAABDDE
25043UScaDavid CrosleyABADAD
25143USncAllison WhiteFBABDE
25243USmtCharles SmithBADEAD
25343HKDavid MokAAABAE
25443USnjTina DalyAABDDE
25543UKenGeraint HarkerABAACB
25643LBFay ChidiacAAACDE
25743USpaDavid LeavittAAABCB
25843USpaDon OlsenABAADF
25943USmdJohn GlynnADABFF
26043SGFabian TanAAACCD
26143TROsman OzcanAAACCD
26243USnyGerald CohenABBEDA
26343PEVladana DiazAAABAE
26443PTAlexandre QuaresmaBCEAEE
26543CAnsJim MathersADACBD
26643UKscPaul GipsonABEEED
26743UScaRichard SteinBAEDCE
26843UScaDan ScarolaAAAACA
26943USflJerry RobieBAADCB
27043TRMehmet KomcuAABDDE
27143CAnsGerald MurphyACAFFD
27243USmoFrank RyckAAEECA
27343USdeJeff RubenABABFD
27442BEAnne de BackerAAAACF
27542USnjLeonard HelfgottABEBCE
27642NLPieter van der KleinFBAADB
27742NZFraser RewAAAACF
27842JPKatsuko KawakuboBBAACF
27942FIJaakko KylmalaAAAACF
28042USksDan HallAECCDE
28142DKPeter JorckAAAFCE
28242CAbcJorgen ChristensenBBAFDB
28342HKWinnie HuiBEECAE
28442CAbcRalph YetmanABACDE
28542USflMatthew NorrisABBEAE
28642USmoAndrew FinkenstadtFEFFFE
28742UScaSteven YangBEEAFF
28842USohCraig BiddleFDEFCE
28942USriRobert EldridgeBBEFDE
29042USflBeth LudwigAAAFAD
29142NOChristian VennerodAEABFF
29242CApqJulie MinkoffAAAACF
29342USalDon KempAAAACF
29442UScaJimmie SwanBBEAAE
29542USnjJames RinnovatoreBBADAE
29642PTFilipe CortezABFDCA
29742NOJostein AmundsenAAAACF
29842USazSteven PriceAAABFE
29942PTJorge GoncalvesAAAEAF
30042USscRick GilesBAACCE

Scores 8X39 MainChallengeAnalysesTop June 2005 Scores

Places 301-400

RankScoreCCName123456
30142NLErik StofferABEBCE
30242NLAlbert ReijnenBAACAD
30342USmiJoel SingerABABCB
30442USctRay BazinetFBFFDE
30542SEOla StavasAAABFE
30642UScaAlan HolmesABEBAD
30742UScaStephen SeagrenAAAEAF
30842ROAdrian PetculescuAEABFF
30942USnyBill DalyCDFBBE
31042CAbcShirley PatersonBBADAE
31142HKJonathan NgADEAFF
31242UScaMark KornmannAFBEDB
31342BEAlan PiotrowskiAAEFDE
31442INAlexander LewisCEFCCE
31542ITMauro MazzieriBAABCF
31642THRichard FricksBDECCA
31742ZABrad Ross-JonesAAAACF
31842LVAigars GermanisAAABBD
31942USflGene PetreyBCECCE
32042UKenCarlos DabeziesABABCB
32142USnjNoel KohnBBEFDE
32242UScaGopal VenkateshADACCF
32342USmaSusan PappasAAADAE
32442CAbcKeith DowdallAAAFDB
32542EEMeelis TiitsonBBAFCE
32642USnyAlbert ShekhterAAADCB
32742NLThijs VeugenADEEBF
32842UKenGeraldine BrockFECDDE
32942FIJuha TamminenBAACCE
33042UStxMike DoyleABABCB
33142HRTomislav GracinAAEDCE
33242ROAndrei SecheleaAAEECF
33342IEConor MooreAAABFE
33442UStxJames McElhinneyBEACCF
33542PTPaulino CorreaBAADBD
33642SKStefan ChomaAAAAEE
33742USnyBrian UniversalBBADDF
33842UKenDouglas DunnADBDCF
33941UKenMalcolm MorrisABAACF
34041USilGeorge KlemicFBFACA
34141USmaJeffrey TurnerBAEBFE
34241NOHans LahneAAACCE
34341CAonJeff MayhewAAACCE
34441FIMatti NiemiACDCDD
34541CAonNatalie SilversteinFEAFDF
34641TREmrah SenBBABCF
34741USnjMarilyn TaylorABEFDE
34841USpaJeff BurkAADBDE
34941PTJoao Paes de CarvalhoAEEFCA
35041UStnCharles CohenBBBFDE
35141USnjAlfred CackowskiAAADFE
35241NZBruce KellyAADBDE
35341TRYigit CecenAAACCE
35441AUInez GlangerBAADCF
35541EGEssam AlyBADACE
35641NLNiels de GrootAEBEBA
35741PTFrancisco EspregueiraABADDF
35841EEHendrik NigulAAACCE
35941UKenAndrew DoyeFDECCE
36041USmnBrian WeikleAEECAE
36141UScaSandy BarnesAAACCE
36241USnjRobert WengertBBAADC
36341UStxPhillip JaegerBAAAAF
36441ARJorge GueglioAAABCF
36541USflNorbert SaxAAABCF
36641CApqPierre CaronFBCEDE
36741CAbcLaurent CoquetAAABCF
36841UScaBill GeorgeABADAE
36941BEPat CornelisACACCB
37041USnjMarty LevinABADAE
37141UScaMarion RobertsonBAEEEB
37241ILTibor GalFAAADF
37341USgaGladys HardcastleABEAAE
37441UScaJan NathanAAACDB
37541UScoNelson BrentlingerBAAFDF
37641UScaLenore BrindisBECCDB
37741NZDenis HumphriesABABCA
37841CNChina CaacAAACCE
37941USmaJohn ByersADECFE
38041USflRobert SolomonABBCDD
38141USflDavid TylerBBEAFE
38241CNYijun XuABAACF
38341TRUgur TasAAEDFD
38441USilDan GoldfeinFCADCB
38541UStxRobert SzafranskiAAACCE
38641CAonRomeo LalondeBAAFAE
38741USmaSabrina MilesBBECDE
38841USflWilliam SlepinAEACCF
38941UScaRobert DannelsAAACCE
39041UKenDipak ShahBADDDE
39141INNita BanerjiBAADCF
39241CNJet ChjBCEAFA
39341USwaRoger LawsBEDFDB
39441USmiJoseph MountAAACCE
39541INBrendon TauroCAAACE
39641HUTom BarczyAACACE
39741UScaFranklin GonzalezBAAAAF
39841CNQing YeCAAACE
39941UStxAlbert SekacCDFAFF
40041SEAnders AslundAABDCE

Scores 8X39 MainChallengeAnalysesTop June 2005 Scores

All Others Above Average

RankScoreCCName123456
40141USnmErik LauerAAABAB
40241SIAles VavpeticCEEECF
40341USdcJonathan SiegelBAABBE
40441UKenMargaret WhiteAAAAFB
40541AUHeather ScottABAACF
40641USohJohn KropinakAAACCE
40741CAonBala IyerAEBDCF
40841CZLudek AmbrozBBEEFB
40941AUVic. LierschADDFAD
41041CApqDanny KatzBEACBE
41141USmaCharles AltmanAAACCE
41241CAbcCurtis WrightAAABCF
41341BGIvan KolevBBEEFB
41440PLZbych BednarekFEBACF
41540USnhBruce DowningAAABFB
41640PTJoao BarbosaBAACCB
41740USilRick KirbyFAACCD
41840FRChristian OstermanABABCF
41940TRErgun BolekAAACDA
42040USflBob BernhardBBACFD
42140USflBarbara TateFABEAE
42240CAonEdward DisenhausFBAFDE
42340CAonPearl GoodmanBBADCF
42440CAonMatthew MasonACAFAB
42540USflEdward MitchellAAADCF
42640UScaDonna RussellBAACDF
42740TRNukhet UrgunluABAAFB
42840USmaArun SannutiABACDB
42940USalCharlotte RueschenbergABECDE
43040NLTjeerd KootstraCAACDD
43140FRLed BeauvillainFEADBE
43240BEJean VerbekeAAADCF
43340TRSenih InalBAACAE
43440INRaman GiridharadasABEBAE
43540HKTheo ChinAAACFD
43640TRCengiz SekerACEBBE
43740USsdShirley GentryBBAFAE
43840CDPaul InbonaFCABCF
43940USpaJerome BlumenthalBAAAFF
44040USwyRick KnightABACCE
44140CApqLise LapointeAEEFCF
44240USmaFrank MorganAAADCF
44340NOSvein Erik DahlAAAFAE
44440PTAntonio Costa-CabralAEABAC
44540PTJose MataABABCF
44640NLFemke BruinsmaAAEFCE
44740TREnder GirayABECDE
44840USorPaul FlashenbergFDACFE
44940DEZenon SchwarzABAFDA
45040USmiRonald RasanskyCCFDCA
45140SGGary AngBAACDF
45240USnyKingman BassettBAACAE
45340ZASid IsmailAFACCD
45440CAonRoy MelvinABACDB
45540FRAndrei VarlanFBAECF
45640USflJohn RidenourBFADAE
45740CAbcAllan BeckerBAEBEE
45840USflAlan KravetzBAACDF
45940INSushi NatrajCBADDE
46040PTJorge CastanheiraAAEFCE
46140SETor-Bjorn BohmanAEDFCE
46240CAabSheldon SpierAEEEFC
46340TWHang ChangFAEBCE
46440PTRui FrancoAAADAB
46540USnyMaureen WatkinsFFAADB
46640CAbcKathy TurnerBAAEAC
46740USwaDavid RobertBBEFCE
46840USnyPeter PasternakFCBDAD
46940USnySteve ZlotnickAAABAA
47040UKenMike ArdronABABAB
47140ZACarin VerburgBAACAE
47240UScaPhil ClaytonFDEDAB
47340USnyJoe ShammasAAADEE
47440ILAsaf AgurBBBCDE
47540UKenRoger GibbonsBBABBE
47640USmnJim PritchettFBAFCD
47740RUOleg MorozAAEBFE
47840ROHoria GarbeaBAADDC
47940UKenRoger CourtneyBBAEEF
48040PLRoman KujaczynskiBEDABE
48140USgaRichard WimberleyABACCE
48240AUBernard NightingaleAAACFD
48340USmaShirley BeaserAAEEAF
48440TRBurak YurdakulBAACCB
48540USnyArthur LauferBAFCCF
48640LVJanis DzenisAAADCF
48740AUDiana HearnAAADAB
48840PTAnant RajaniABABEE
48940UKenTeymur TahseenFAACCD

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 8X39 MainChallengeAnalysesTop June 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
146.366CNChina22
246.134HUHungary8
344.2924PLPoland14
443.2959USmnMinnesota7
543.1782USorOregon6
642.831DEGermany12
742.1725USmdMaryland6
841.6048FIFinland10
941.4029ITItaly10
1041.1836CApqQuebec22
1141.1310USilIllinois16
1241.1199SESweden9
1341.0756RORomania15
1440.7554BGBulgaria8
1540.5614NLNetherlands32
1640.55132BEBelgium11
1740.44121NONorway9
1840.3298CAbcBritish Columbia19
1939.9064USohOhio10
2039.898USpaPennsylvania18
2139.7945FRFrance14
2239.7718USnyNew York30
2339.6327USmoMissouri8
2439.599UKenEngland64
2539.56168UStxTexas16
2639.472UScaCalifornia72
2739.2211USmaMassachusetts23
2839.20101ESSpain5
2939.1121UKscScotland9
3038.9722CAonOntario39
3138.8019USwaWashington10
3238.80145NZNew Zealand10
3338.6923INIndia26
3438.6051USvaVirginia5
3538.4715PTPortugal30
3638.42128USnjNew Jersey24
3738.415AUAustralia34
3838.33226USmiMichigan9
3938.25117CAnsNova Scotia12
4038.20260SGSingapore5
4138.17190TRTurkey23
4238.13253HKHong Kong8
4338.0047USflFlorida49
4438.00114CAabAlberta7
4538.00317ZASouth Africa6
4637.67120USscSouth Carolina6
4737.4394USgaGeorgia7
4837.33243USazArizona6
4935.13144UScoColorado8
5035.00372ILIsrael6
5134.33494USlaLouisiana6

RankAverageBestCCLocationEntries
5258.0012BYBelarus1
5350.003RURussia2
5448.0070UShiHawaii1
5547.00107USnvNevada1
5645.2532LVLatvia4
5744.6713USinIndiana3
5844.3333HRCroatia3
5943.00246UYUruguay1
6043.00252USmtMontana1
6143.00256LBLebanon1
6243.00263PEPeru1
6343.00273USdeDelaware1
6442.50249THThailand2
6542.33191ATAustria3
6642.00281DKDenmark1
6742.00289USriRhode Island1
6842.00336SKSlovakia1
6941.50130EEEstonia4
7041.0096USncNorth Carolina4
7141.00350UStnTennessee1
7241.00355EGEgypt1
7341.00364ARArgentina1
7441.00403USdcWashington DC1
7540.25105CLChile4
7640.00139IEIreland3
7740.00210CHSwitzerland3
7840.00437USsdSouth Dakota1
7940.00438CDCongo (Dem Republic)1
8040.00440USwyWyoming1
8139.7534TWTaiwan4
8239.00175GRGreece4
8339.00219USakAlaska2
8438.50211UKwaWales2
8538.50224USkyKentucky2
8638.50408CZCzech Republic2
8738.00192SISlovenia4
8838.00589MZMozambique1
8937.67293USalAlabama3
9037.67528IDIndonesia3
9137.5095RSSerbia2
9237.50492USwiWisconsin4
9337.0091JPJapan3
9437.00537CAmbManitoba2
9536.00415USnhNew Hampshire3
9636.00688USiaIowa1
9735.50148VEVenezuela4
9835.00304USctConnecticut2
9935.00401USnmNew Mexico3
10035.00731AMArmenia1
10135.00732BWBotswana1
10235.00735GLGreenland1
10335.00749VGVirgin Islands UK1
10435.00752MYMalaysia1
10534.00280USksKansas3
10634.00772GTGuatemala1
10734.00779USmeMaine1
10834.00788USneNebraska1
10933.00530USmsMississippi2
11033.00578USokOklahoma2
11133.00822CAnfNewfoundland1
11232.00852KRKorea (South)1
11331.00817CApePrince Edward Island2
11429.00928USwvWest Virginia1
11526.00954ECEcuador1

Scores 8X39 MainChallengeAnalysesTop June 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 GIB (US) which eked out a 1-point win this month in a three-way photo finish. Grouped at the top were GIB with 44, and Micro Bridge and Jack, each with 43. No other bot beat the average human score.

GIB’s win was more solid than the 1-point edge would suggest, as I checked its follow-up on the two 10s received (Problems 1 and 5) — right on the button each time. Micro Bridge, however, scored the same 10 on Problem 5 but failed to make the contract. Jack had no 10s, so I guess it earns the consistency award. Bridge Buff scored 10 on Problems 3 and 5, but only the latter was followed up correctly. Bridge Baron scored 10 on Problem 1 and followed up perfectly.

As usual, some of the bot choices went off my chart. Choices shown as H are best forgotten (think “hopeless”) and scored equal to the lowest listed award. Choices marked as G are fair (or at least better than some listed options) and scored as follows. Problem 1: Bridge Buff and HAL (are you kidding me?) ruffed and won the D K, two spades, then ran diamonds (4). Problem 2: Jack, Micro Bridge and Blue Chip Bridge won the H K and cashed one or two diamonds before ruffing a heart (5) which struck me as a change of mind in midstream. Problem 5: Bridge Baron won the H Q, S A-Q with a finesse, and ruffed a spade (5) which is the same as the winning line but forgetting the diamond finesse.

I’m not sure how HAL did it, but it found a way to undermine my entire database. Amazing. Some stupid message scores higher than HAL does from month to month. I’ve traced the malicious code to its motherboard, but the last person who futzed with that was electrocuted.

June 2005 Rankings
RankScoreCCProgram version123456
144USGIB 6.1.3BAAHDE
243JPMicro Bridge 11.00AAGDDE
343NLJack 3.01AEGBCA
438USBridge Baron 15.0BBAHGE
533CABridge Buff 11.0GAFHDC
628UKBlue Chip Bridge 4.2.4AHGDFC
725DEQ-plus Bridge 7.1AADHFH
814USHAL 9003GOHAL!

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 8X39 MainChallengeAnalysesTop June 2005 Scores

© 2005 Richard Pavlicek