🇳🇱 WACKWITZ Ernst · Netherlands

47rank
+10.9Butler · 240 bds
+0.05per board
±4.9swing
+0.08vs par /bd · #42/81
+0.17adjusted /bd
Butler per round: -59.5 -54.1 -10.7 -15.8 7.5 20 31.1 2.3 32.3 16.2 31.8 9.8by round

vs par split: bidding +0.48 · play -0.41

Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted +0.17/bd

Card play — on target: opening leads 71.4% #70 of 81 · declarer play 77.0% #20 of 81 · defence 80.5% #67 of 81

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (8)75.0% (48)
Declarer play73.3% (15)78.3% (46)
Defence78.3% (23)81.1% (90)

Opening leads by suit led: ♠ 70.6% (17) · ♥ 57.1% (14) · ♦ 75.0% (16) · ♣ 88.9% (9)

vs par by strain: NT +0.69 (59) · a suit -0.13 (180)

vs par by level: part-score +0.23 (86) · game -0.29 (137) · slam +2.31 (16)

By role: declaring -0.12/bd (-2.02 vs par · 126) · defending +0.23/bd (+2.41 vs par · 114)

By vulnerability: vulnerable +0.67/bd (+0.42 vs par · 120) · not vulnerable -0.58/bd (-0.26 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2E.VerbeekD.Spasov – S.SkorchevOpen20-59.5-2.98-2.00
Round 3E.VerbeekJ.Krawczyk – P.TuczynskiOpen20-54.1-2.71-3.90
Round 4E.VerbeekM.Di Franco – E.MistrettaClosed20-10.7-0.53-0.75
Round 5E.VerbeekV.Frank – M.PetrasekOpen20-15.8-0.79-3.40
Round 6S.Wackwitz-SpangenbergM.Canonne – C.LorenziniOpen20+7.5+0.38+0.60
Round 7E.VerbeekG.Guba – P.OrthClosed20+20.0+1.00-0.30
Round 9E.VerbeekA.Lazar – M.MeyouhasClosed20+31.1+1.56+3.25
Round 10E.VerbeekS.Rimstedt – I.GronkvistClosed20+2.3+0.11+0.25
Round 12E.VerbeekB.Paske – T.PaskeOpen20+32.3+1.61+1.35
Round 13E.VerbeekK.Gulcu – A.UcarClosed20+16.2+0.81+2.00
Round 14E.VerbeekA.Imsa – P.BethersOpen20+31.8+1.59+3.60
Round 15E.VerbeekM.Dam Mortensen – N.EgeOpen20+9.8+0.49+0.30

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
+13.6Round 4🇮🇹 Italy106♦♥A=+13
+13.6Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England133NTxx♠A=+11
+11.7Round 7🇩🇪 Germany136♣♠5=+7
+11.5Round 6🇫🇷 France32♠x♦A=+11
+10.9Round 10🇸🇪 Sweden93♥x♣A=+11
+10.7Round 15🇩🇰 Denmark23♦x♥A-2+9
+10.3Round 9🇮🇱 Israel166♠♣2-1+17
+10.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England163NTx♠2-3+12
+9.7Round 14🇱🇻 Latvia195♣♦Q-1+12
+9.6Round 6🇫🇷 France153♠x♥K-2+8
+9.2Round 14🇱🇻 Latvia155♦x♣Q-3+12
+8.6Round 9🇮🇱 Israel116♥♥2-1+11
+8.4Round 14🇱🇻 Latvia186NT♥7-1+11
+8.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England42♣x♥10-2-3
+7.9Round 7🇩🇪 Germany32♠x♥2-2+9
+7.9Round 10🇸🇪 Sweden44♥x♦A-2+12
+7.7Round 13🇹🇷 Turkey113NT♥8+1+7
+7.3Round 2🇧🇬 Bulgaria44♥x♣A=+5
+7.3Round 5🇨🇿 Czech Republic123♠♦A=+7
+7.2Round 15🇩🇰 Denmark133NT♦3=+0
+6.9Round 4🇮🇹 Italy166♦♣6+1+7
+6.5Round 10🇸🇪 Sweden195♣♠6=-5
+6.5Round 13🇹🇷 Turkey63NT♦5-1+10
+6.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England93NT♠9-1+10
+6.1Round 13🇹🇷 Turkey104♠♠A-4+7
+5.7Round 13🇹🇷 Turkey123♦♠2-1+12
+5.7Round 14🇱🇻 Latvia24♥♣A-1+11
+5.7Round 14🇱🇻 Latvia126♠♦A-1+11
+5.6Round 14🇱🇻 Latvia63NT♦2-1+6
+5.4Round 7🇩🇪 Germany46NT♠K=+0
+5.3Round 15🇩🇰 Denmark182♥♦4-2+7
+5.2Round 7🇩🇪 Germany51♥x♥8-1+6
+5.2Round 7🇩🇪 Germany94♥♣Q-1+5
+5.1Round 3🇵🇱 Poland42♠♥4+2+10
+5.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England121NT♠2+3+8
+5.0Round 9🇮🇱 Israel34♥♣7-1+10
+4.9Round 2🇧🇬 Bulgaria53NT♥6=+3
+4.9Round 7🇩🇪 Germany14♥♠A=-11
+4.8Round 15🇩🇰 Denmark44♠♣A-2+14
+4.4Round 13🇹🇷 Turkey85♥♦A-1+10
+4.1Round 9🇮🇱 Israel132♥♣9=+0
+3.9Round 4🇮🇹 Italy133♣♠K=-1
+3.9Round 5🇨🇿 Czech Republic206♠♣3=+0
+3.9Round 9🇮🇱 Israel204♥♣A-2+13
+3.9Round 14🇱🇻 Latvia56♣♥A-1+5
+3.7Round 6🇫🇷 France132♦♥K-2+2
+3.7Round 10🇸🇪 Sweden54♥♠9=+0
+3.6Round 2🇧🇬 Bulgaria173♠♦4-2+6
+3.6Round 7🇩🇪 Germany103♠♦K-1+12
+3.5Round 10🇸🇪 Sweden134♥♣6+1-13
+3.4Round 13🇹🇷 Turkey35♣♦Q=-1
+3.4Round 13🇹🇷 Turkey144♠x♦A-1-1
+3.4Round 15🇩🇰 Denmark83♥♦A=+1
+3.1Round 2🇧🇬 Bulgaria14♥♠2-2+6
+3.1Round 6🇫🇷 France53NT♦3+3+13
+3.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England17♥♥4=+0
+3.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England152NT♣J+2+2
+3.1Round 15🇩🇰 Denmark63♠x♠2-2+5
+2.9Round 7🇩🇪 Germany193NT♥8+1+0
+2.9Round 9🇮🇱 Israel103NT♣J-2+12
+2.8Round 5🇨🇿 Czech Republic14♥♠K=+0
+2.7Round 3🇵🇱 Poland33NT♥6+2+1
+2.7Round 3🇵🇱 Poland82♦♦5=+5
+2.7Round 5🇨🇿 Czech Republic194♥♣4=+0
+2.7Round 9🇮🇱 Israel124♠♦6+2-11
+2.7Round 13🇹🇷 Turkey54♠♦6+2+1
+2.7Round 14🇱🇻 Latvia14♥♣7=+3
+2.6Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England206NT♦J=+0
+2.5Round 2🇧🇬 Bulgaria83NT♥7-3+6
+2.4Round 6🇫🇷 France194♥♣6+1+0
+2.3Round 5🇨🇿 Czech Republic102♦♠4+1+0
+2.3Round 14🇱🇻 Latvia74♠♦10=+9
+2.3Round 15🇩🇰 Denmark203NT♠Q=-2
+2.2Round 14🇱🇻 Latvia84♥♠2+2+11
+2.1Round 5🇨🇿 Czech Republic174♥♥6+1-11
+2.0Round 6🇫🇷 France103♥♣6=+7
+2.0Round 6🇫🇷 France18Pass+3
+2.0Round 15🇩🇰 Denmark193NT♦6+1+0
+1.9Round 4🇮🇹 Italy44♥♣A+1+0
+1.9Round 4🇮🇹 Italy62♠♦6=-1
+1.9Round 7🇩🇪 Germany154♠♥3-2+0
+1.9Round 9🇮🇱 Israel14♠♥A-1+10
+1.9Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England112♠♥4-3+2
+1.9Round 15🇩🇰 Denmark53♥♠4=+0
+1.8Round 4🇮🇹 Italy175♦♥Q-1+4
+1.8Round 10🇸🇪 Sweden81NT♠3-3+7
+1.7Round 15🇩🇰 Denmark144♠♥A+1+4
+1.6Round 4🇮🇹 Italy23NT♦J+1+1
+1.5Round 6🇫🇷 France12♠♥3=-1
+1.5Round 7🇩🇪 Germany24♥♦7+1+0
+1.5Round 9🇮🇱 Israel175♠♣A=+0
+1.4Round 3🇵🇱 Poland125♦♥3=-1
+1.3Round 3🇵🇱 Poland183♦♥6+1+0
+1.3Round 5🇨🇿 Czech Republic63NT♣K=+0
+1.3Round 7🇩🇪 Germany84♥♦A-1-2
+1.3Round 10🇸🇪 Sweden141NT♣2=+5
+1.2Round 3🇵🇱 Poland24♠♥K=-1
+1.1Round 7🇩🇪 Germany71NT♠6=-1
+1.1Round 10🇸🇪 Sweden102♠♦J+1+1
+1.0Round 10🇸🇪 Sweden163NT♠5+1+0
+0.9Round 3🇵🇱 Poland194♠♦2+1+0
+0.8Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England82NT♠5-1+2
+0.7Round 5🇨🇿 Czech Republic23NT♠10+2+0
+0.7Round 6🇫🇷 France93♣♦K-2-1
+0.7Round 7🇩🇪 Germany204♠♥J-2-7
+0.6Round 4🇮🇹 Italy114♥♣4=+1
+0.6Round 14🇱🇻 Latvia114♥♣K=+1
+0.5Round 5🇨🇿 Czech Republic54♥♠9+2-1
+0.5Round 9🇮🇱 Israel72♥♥2=+0
+0.5Round 15🇩🇰 Denmark32♥♦4=+0
+0.4Round 3🇵🇱 Poland174♥♦6+1+0
+0.4Round 13🇹🇷 Turkey175♦♠10+1-11
+0.3Round 6🇫🇷 France72♦♣4+1-10
+0.2Round 5🇨🇿 Czech Republic82♥♥9=+1
+0.2Round 6🇫🇷 France121NT♥10+3+2
+0.2Round 14🇱🇻 Latvia171NT♦2=-1
+0.1Round 9🇮🇱 Israel42♠♥6-1+1
+0.1Round 10🇸🇪 Sweden152♥♠J-1+2
+0.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England193NT♠6+1+10
-0.0Round 13🇹🇷 Turkey204♠♥4=+0
-0.1Round 9🇮🇱 Israel93NT♥9+1+0
-0.2Round 5🇨🇿 Czech Republic155♠♦4+1-13
-0.3Round 4🇮🇹 Italy182♠♥K+1-7
-0.3Round 9🇮🇱 Israel54♥♣2=-1
-0.3Round 9🇮🇱 Israel192♦♠10-1-2
-0.3Round 10🇸🇪 Sweden123NT♥2=+0
-0.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England53NT♥4-1-4
-0.3Round 14🇱🇻 Latvia203NT♣10=+2
-0.4Round 2🇧🇬 Bulgaria144♥♠A=+0
-0.5Round 5🇨🇿 Czech Republic142♠♣A+2-7
-0.5Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England185♣♠6=-7
-0.6Round 2🇧🇬 Bulgaria34♥♦J+1+13
-0.6Round 9🇮🇱 Israel83♦♥A-1-4
-0.6Round 15🇩🇰 Denmark112♦♣Q+1-7
-0.7Round 4🇮🇹 Italy54♠♥9-1+6
-0.7Round 5🇨🇿 Czech Republic111NT♦6+3-6
-0.7Round 5🇨🇿 Czech Republic131NT♦2+2+0
-0.7Round 13🇹🇷 Turkey162♥♣J=+1
-0.8Round 9🇮🇱 Israel154♥♦A=+0
-0.9Round 6🇫🇷 France42NT♦Q+2+10
-0.9Round 6🇫🇷 France114♥♣J-3-7
-0.9Round 9🇮🇱 Israel144♦♠A=+7
-1.0Round 3🇵🇱 Poland73NT♦8-1-5
-1.0Round 9🇮🇱 Israel64♠♥K+2-1
-1.0Round 10🇸🇪 Sweden13NT♥5+2+14
-1.0Round 13🇹🇷 Turkey183NT♥4+3+1
-1.1Round 2🇧🇬 Bulgaria24♠♣5+2+11
-1.1Round 4🇮🇹 Italy83NT♣7+2+0
-1.1Round 6🇫🇷 France84♠♥Q=+9
-1.1Round 14🇱🇻 Latvia34♠♦9+1+0
-1.1Round 15🇩🇰 Denmark94♠♣9+1-6
-1.2Round 4🇮🇹 Italy33♥♥J=-6
-1.2Round 9🇮🇱 Israel22♦x♠10-3+13
-1.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England24♠♥2=-3
-1.3Round 13🇹🇷 Turkey192♠♠10-1-2
-1.4Round 10🇸🇪 Sweden24♠♣K+2-1
-1.5Round 13🇹🇷 Turkey23♥♠Q+1+10
-1.6Round 3🇵🇱 Poland141NT♠3+2-7
-1.6Round 6🇫🇷 France62♠♣5=-9
-1.6Round 10🇸🇪 Sweden64♠x♦A-2+10
-1.7Round 14🇱🇻 Latvia102♠♥A+2+1
-1.8Round 6🇫🇷 France172NT♦J-2-5
-1.9Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England63♠♣J=+0
-1.9Round 15🇩🇰 Denmark73♦♣4+1-1
-2.1Round 3🇵🇱 Poland104♥♣A=+0
-2.1Round 13🇹🇷 Turkey15♣♠7-1+4
-2.2Round 5🇨🇿 Czech Republic164♥♥2=+13
-2.2Round 10🇸🇪 Sweden203♣♣4-2-3
-2.2Round 14🇱🇻 Latvia44♥♣2-1-6
-2.3Round 7🇩🇪 Germany174♥♠2=+0
-2.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England34♠♥J-1+7
-2.4Round 6🇫🇷 France204♥♠K=+0
-2.4Round 10🇸🇪 Sweden173♣♠5-2+0
-2.5Round 7🇩🇪 Germany113NT♦4-1-4
-2.6Round 4🇮🇹 Italy12♥♥7+1+0
-2.6Round 13🇹🇷 Turkey132NT♦5=-1
-2.7Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England74♥♦3-1-6
-2.8Round 6🇫🇷 France163♠♥A-2-2
-2.8Round 7🇩🇪 Germany64♥♦9-1-5
-2.8Round 10🇸🇪 Sweden74♠♥9-1-6
-2.8Round 13🇹🇷 Turkey153NT♦2-1-5
-2.9Round 4🇮🇹 Italy123NT♥2=+0
-2.9Round 5🇨🇿 Czech Republic71NT♠3+2-6
-3.1Round 4🇮🇹 Italy145♣♦2=+0
-3.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England144♠♦J+1+11
-3.3Round 13🇹🇷 Turkey94♥♦Q=+1
-3.3Round 15🇩🇰 Denmark153♥♣Q+1-2
-3.3Round 15🇩🇰 Denmark163♠♦J=+7
-3.5Round 2🇧🇬 Bulgaria204♥♠K+2-10
-3.5Round 4🇮🇹 Italy92♣x♣9-2-2
-3.5Round 7🇩🇪 Germany184♠♦J+1+10
-3.5Round 15🇩🇰 Denmark104♥♦9-5+3
-3.7Round 3🇵🇱 Poland13NT♥K+1-4
-3.9Round 2🇧🇬 Bulgaria104♠♦Q-1-6
-3.9Round 13🇹🇷 Turkey42♠♠A=+0
-3.9Round 14🇱🇻 Latvia132♠♣4-2-7
-4.1Round 2🇧🇬 Bulgaria123NT♥5-1-6
-4.1Round 14🇱🇻 Latvia143♥♠A-2+0
-4.2Round 3🇵🇱 Poland113♥♠Q=-7
-4.4Round 2🇧🇬 Bulgaria152♠♥Q=-5
-4.4Round 15🇩🇰 Denmark124♠♣Q+2-11
-4.5Round 3🇵🇱 Poland206♥♠K+1-1
-4.5Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England101NT♦4=-19
-4.6Round 10🇸🇪 Sweden181NT♠3-3-2
-4.8Round 4🇮🇹 Italy74♠x♣7-1-7
-4.8Round 7🇩🇪 Germany164♥♦Q=-3
-4.9Round 13🇹🇷 Turkey73♦♠7-2-3
-4.9Round 14🇱🇻 Latvia163♣♠J+2-2
-5.0Round 2🇧🇬 Bulgaria73NT♥J=+0
-5.1Round 2🇧🇬 Bulgaria92♠x♣3-2-5
-5.2Round 9🇮🇱 Israel184♥♦J-1-10
-5.5Round 3🇵🇱 Poland53♥x♦A-2-5
-5.5Round 4🇮🇹 Italy154♠♣K-1-5
-5.7Round 3🇵🇱 Poland64♥♠3=-11
-5.7Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 England174♥x♦A+1-6
-5.9Round 15🇩🇰 Denmark173NT♦3+2-1
-6.0Round 2🇧🇬 Bulgaria184♥♠A-1-6
-6.1Round 4🇮🇹 Italy202♦♠3=-5
-6.2Round 5🇨🇿 Czech Republic184♠x♦A-1-13
-6.2Round 14🇱🇻 Latvia93♠♠3=-7
-6.5Round 6🇫🇷 France144♠♠3=-7
-6.5Round 10🇸🇪 Sweden32NT♣3+1-11
-6.8Round 2🇧🇬 Bulgaria135♣x♠5-1-8
-6.9Round 3🇵🇱 Poland164♠♣4+2-13
-7.3Round 2🇧🇬 Bulgaria65♣♦6+1-14
-7.5Round 5🇨🇿 Czech Republic34♥♠10-2-11
-7.8Round 7🇩🇪 Germany124♠♣K-1-12
-8.0Round 5🇨🇿 Czech Republic43NT♠8=-10
-8.3Round 2🇧🇬 Bulgaria194♠♠J-1-5
-9.0Round 3🇵🇱 Poland154♠♦A=-10
-9.1Round 15🇩🇰 Denmark16NT♦10-1-14
-9.6Round 7🇩🇪 Germany145♠♥10-1-10
-9.7Round 2🇧🇬 Bulgaria114♥x♣6+1-11
-10.7Round 3🇵🇱 Poland137♥♠A-3-14
-10.7Round 5🇨🇿 Czech Republic94♠x♦5-4-11
-11.1Round 4🇮🇹 Italy195♠♣K-1-13
-11.5Round 6🇫🇷 France23NT♠3+1-11
-12.7Round 10🇸🇪 Sweden117♥♣K-1-16
-14.7Round 2🇧🇬 Bulgaria162♠x♣6+2-14
-14.9Round 3🇵🇱 Poland95♠x♣A-3-15