WACKWITZ Ernst · DUTCH WORLD YOUTH CH

449rank
-46.1Butler · 90 bds
-0.51per board
±4.8swing
+0.51vs par /bd · #142/471
-0.47adjusted /bd
Butler per round: 8.2 -1.4 19.8 6.4 -15.5 -25.4 -0.2 -7.5 -30.5by round

vs par split: bidding +0.56 · play -0.04

Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.47/bd

Card play — on target: opening leads 80.0% #188 of 469 · declarer play 58.8% #433 of 469 · defence 84.9% #225 of 471

Card play by contract type — on target
vs NTvs a suit
Opening leads58.3% (12)91.3% (23)
Declarer play100.0% (3)50.0% (14)
Defence73.3% (15)89.5% (38)

Opening leads by suit led: ♠ 54.5% (11) · ♥ 75.0% (8) · ♦ 100.0% (12) · ♣ 100.0% (4)

vs par by strain: NT -0.67 (21) · a suit +0.87 (69)

vs par by level: part-score +0.53 (36) · game -0.18 (44) · slam +3.50 (10)

By role: declaring +0.69/bd (-0.51 vs par · 37) · defending -1.35/bd (+1.23 vs par · 53)

By vulnerability: vulnerable -0.81/bd (-0.91 vs par · 43) · not vulnerable -0.24/bd (+1.81 vs par · 47)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3C.WesterbeekB.Cakradinaga – K.IndrayanaOpen10+8.2+0.82+0.80
Round 4C.WesterbeekJ.Harsanyi – M.YuenOpen10-1.4-0.14+1.20
Round 6C.WesterbeekT.Brogeland – L.GlaerumOpen10+19.8+1.98+4.10
Round 8C.WesterbeekM.Bourke – S.LuskOpen10+6.4+0.64+5.20
Round 9C.WesterbeekM.Rosenberg – C.WillenkenClosed10-15.5-1.55-4.50
Round 11C.WesterbeekA.Bos – E.WijnenOpen10-25.4-2.54-1.20
Round 12C.WesterbeekL.Bojoh – J.TuejeOpen10-0.2-0.02-2.10
Round 14C.WesterbeekC.Ng – H.WongClosed10-7.5-0.75+2.40
Round 15L.StougieM.Lewis – P.JourdainOpen10-30.5-3.05-1.30

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+11.8Round 12INA LADIES DJARUM LA264♠♥4+2+13
+11.7Round 9FLEISHER287♥♦J=+0
+10.1Round 12INA LADIES DJARUM LA286♥♦A=+0
+8.8Round 3JAWA TIMUR YR215♦x♠J-2+12
+7.5Round 6HEL244♥♦A=+7
+7.4Round 8SYDNEY196♥♣A-4+12
+7.2Round 3JAWA TIMUR YR302♠♣9-2+13
+7.1Round 6HEL274♥x♦5-3+12
+7.0Round 6HEL214♣x♠5-2+8
+6.8Round 15MACHALE233♠♣3+1+1
+6.4Round 14HONG KONG GEN X165♥♣A=+8
+4.9Round 4ANZAC62♠♥3+3+12
+3.7Round 3JAWA TIMUR YR232♣♥8=+9
+3.6Round 8SYDNEY163NT♣J+1+8
+3.4Round 6HEL284♥♣5+1+1
+3.4Round 6HEL295♦♥2-1+12
+3.3Round 6HEL252♥♦A+1+6
+3.1Round 4ANZAC11NT♠2+2+10
+3.1Round 8SYDNEY132♠♦K-1+5
+3.0Round 4ANZAC22♠♦K=+6
+2.7Round 15MACHALE271NT♠3-2+5
+2.4Round 8SYDNEY182♦♦10+3+10
+2.3Round 14HONG KONG GEN X202♠♥A-1+0
+2.1Round 12INA LADIES DJARUM LA244♠♥Q-1-2
+1.9Round 9FLEISHER211♠♥5+1-1
+1.8Round 11HRG NETHERLANDS164♥♠6=+0
+1.6Round 4ANZAC32♥♠K=+0
+1.4Round 3JAWA TIMUR YR222NT♠3-3-8
+1.4Round 15MACHALE244♠♦K=+1
+1.3Round 14HONG KONG GEN X195♣♦A+1-5
+1.1Round 4ANZAC96♠♥4+1+11
+1.1Round 11HRG NETHERLANDS113NT♥5+1-10
+0.9Round 6HEL231NT♦3-1+1
+0.8Round 3JAWA TIMUR YR284♥♠3-2+7
+0.8Round 9FLEISHER222♠♦3+1+0
+0.5Round 11HRG NETHERLANDS184♠♣K-3+10
+0.4Round 14HONG KONG GEN X171NT♦8-3+1
+0.2Round 8SYDNEY153♣♦A+1-7
+0.1Round 14HONG KONG GEN X144♠♣Q+2+8
-0.1Round 15MACHALE252♦♠3-1-2
-0.2Round 4ANZAC84♠♥K-2+0
-0.5Round 8SYDNEY113NT♠4+1+10
-0.6Round 12INA LADIES DJARUM LA254♥♠A=+0
-0.7Round 14HONG KONG GEN X133NT♥J+1-1
-0.8Round 14HONG KONG GEN X117♣x♠A-4+12
-1.1Round 3JAWA TIMUR YR264♥♦Q=+0
-1.1Round 11HRG NETHERLANDS124♥♦Q=+1
-1.3Round 3JAWA TIMUR YR271NT♣3+1+0
-1.3Round 4ANZAC73NT♠10+2-1
-1.3Round 8SYDNEY201♥♣K+1-1
-1.3Round 9FLEISHER302♠♣6-3-6
-1.5Round 3JAWA TIMUR YR252♠♥A+1-6
-1.5Round 11HRG NETHERLANDS141NT♦A+1+0
-1.5Round 12INA LADIES DJARUM LA232♣x♦Q-2-13
-1.5Round 12INA LADIES DJARUM LA277NT♦6=+0
-1.6Round 8SYDNEY143♣♣8+1+0
-1.6Round 9FLEISHER252♥♦A=-5
-1.6Round 12INA LADIES DJARUM LA223♦♥5+1+0
-1.9Round 6HEL302♠♥10+1+0
-2.2Round 15MACHALE213♠♦Q=+0
-2.4Round 4ANZAC105♣♠2=-9
-2.4Round 8SYDNEY125♦♠6=+1
-2.4Round 9FLEISHER244♠♥K=+0
-3.0Round 11HRG NETHERLANDS151NT♦2=+0
-3.2Round 9FLEISHER263♠♣9+1-10
-3.5Round 11HRG NETHERLANDS205♣♥4=-3
-4.1Round 3JAWA TIMUR YR294♠♣J+2-13
-4.1Round 6HEL224♣♦A=-6
-4.2Round 11HRG NETHERLANDS133NT♠2+1+0
-4.2Round 15MACHALE285♠x♦J=+11
-4.5Round 8SYDNEY173NT♠K+2+14
-5.0Round 14HONG KONG GEN X154♠♠5=-1
-5.1Round 11HRG NETHERLANDS173NT♣2-1-10
-5.2Round 4ANZAC44♥♦2-1-12
-5.2Round 14HONG KONG GEN X124♦x♠7-3+3
-5.3Round 9FLEISHER234♥♠8-1-12
-5.3Round 12INA LADIES DJARUM LA304♠♣10+2-11
-5.3Round 15MACHALE264♥♠J-3-5
-5.7Round 3JAWA TIMUR YR243♠♥5+1-6
-5.9Round 12INA LADIES DJARUM LA213NTxx♥Q-1-8
-6.0Round 4ANZAC54♠♠Q-1-5
-6.3Round 14HONG KONG GEN X185♥♣7+1-1
-6.8Round 6HEL266♠♠7=+0
-7.3Round 15MACHALE223NT♠Q+2-2
-7.8Round 12INA LADIES DJARUM LA296♦♦9=+0
-8.0Round 9FLEISHER293NT♣8+4-11
-8.1Round 9FLEISHER276♥♣Q=+0
-10.4Round 11HRG NETHERLANDS197♠♥4=+0
-10.7Round 15MACHALE305♣♠6-1-10
-11.6Round 15MACHALE293NTx♥9=-12