🇳🇱 DUURSMA Judith · NETHERLANDS

5rank
+272.6Butler · 272 bds
+1.00per board
±5.1swing
+1.31vs par /bd · #1/53
+0.83adjusted /bd
Butler per round: 38.7 2.4 3.2 29.5 -2.5 5.6 25.4 8.9 -16.3 1.1 1.4 37.8 45.8 48.2 -6.2 37 12.6by round

vs par split: bidding +1.09 · play +0.38

Strength of schedule: opponents averaged -0.17/bd (an easy draw) → opponent-adjusted +0.83/bd

Card play — on target: opening leads 80.8% #16 of 53 · declarer play 74.6% #23 of 53 · defence 87.2% #15 of 53

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (24)87.8% (49)
Declarer play78.9% (19)73.1% (52)
Defence84.1% (44)88.8% (89)

Opening leads by suit led: ♠ 81.0% (21) · ♥ 91.7% (12) · ♦ 82.4% (17) · ♣ 73.9% (23)

vs par by strain: NT +1.73 (78) · a suit +1.35 (186)

vs par by level: part-score +1.38 (97) · game +1.46 (145) · slam +1.91 (22)

By role: declaring +0.99/bd (-1.32 vs par · 139) · defending +1.01/bd (+4.04 vs par · 133)

By vulnerability: vulnerable +1.10/bd (+1.07 vs par · 136) · not vulnerable +0.90/bd (+1.54 vs par · 136)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.WesterbeekX.Zhang – W.WangClosed16+38.7+2.42+2.44
Round 2J.WesterbeekN.Sakowska – D.KazmuchaOpen16+2.4+0.15-2.56
Round 3J.WesterbeekJ.Black – A.BougheyOpen16+3.2+0.20+3.19
Round 4J.WesterbeekM.Linz – R.WernisClosed16+29.5+1.84+2.62
Round 5J.WesterbeekY.Grasella – V.RosaOpen16-2.5-0.16-0.56
Round 6J.WesterbeekI.Petersen – E.RodinClosed16+5.6+0.35-2.06
Round 7J.WesterbeekJ.Carbonneaux – L.FavardClosed16+25.4+1.59+3.06
Round 8J.WesterbeekJ.Wang – C.TsaoOpen16+8.9+0.56+3.75
Round 9J.WesterbeekM.Chavarria – G.BottaOpen16-16.3-1.02-2.12
Round 10J.WesterbeekD.Kazmucha – N.SakowskaClosed16+1.1+0.07+1.50
Round 11J.WesterbeekX.Chen – B.ZhaoOpen16+1.4+0.09+0.62
Round 12J.WesterbeekL.Henbest – L.GinnanClosed16+37.8+2.36+1.94
Round 13J.WesterbeekM.Linz – R.WernisOpen16+45.8+2.86+3.56
Round 14J.WesterbeekR.Pinnata – N.AzkanovClosed16+48.2+3.01+1.75
Round 16J.WesterbeekJ.Carbonneaux – L.FavardOpen16-6.2-0.39+2.06
Round 17J.WesterbeekC.Chang – S.MiaoClosed16+37.0+2.31+2.12
Round 18J.WesterbeekM.Chavarria – F.LanzuisiClosed16+12.6+0.79+0.88

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
+14.1Round 17🇹🇼 CHINESE TAIPEI162♠x♦A-4+14
+14.0Round 14🇮🇩 INDONESIA57NTx♣A-3+14
+13.8Round 12OCEANIA136♠♦A+1+15
+11.7Round 1🇨🇳 CHINA163NT♠J-2+13
+11.6Round 16🇫🇷 FRANCE54♠♥8=+11
+11.4Round 9🇮🇹 ITALY114♣x♦2=+12
+11.4Round 13🇺🇸 USA132♥♦2=+12
+11.3Round 12OCEANIA65♠♦J-1+13
+10.9Round 18🇮🇹 ITALY165♠♣4-1+12
+10.3Round 6🇸🇪 SWEDEN24♥♣8=+8
+10.2Round 1🇨🇳 CHINA134♥♣J+2+13
+10.0Round 3OCEANIA23NT♣2-1+10
+9.8Round 4🇺🇸 USA57♠♠10=+0
+9.8Round 10🇵🇱 POLAND23NT♦5=+10
+8.9Round 11🇨🇳 CHINA125♥x♠8-3+12
+8.8Round 17🇹🇼 CHINESE TAIPEI66♣♥J+1-11
+8.6Round 3OCEANIA94♠♣6+1+11
+8.6Round 14🇮🇩 INDONESIA132♠♦Q-3+9
+8.4Round 2🇵🇱 POLAND93N♥A=+11
+8.4Round 3OCEANIA163NT♠4+3+13
+8.2Round 8🇹🇼 CHINESE TAIPEI34♥♦4-2+8
+8.1Round 12OCEANIA74♥♠10=+1
+8.0Round 8🇹🇼 CHINESE TAIPEI63NT♦2-1+12
+8.0Round 17🇹🇼 CHINESE TAIPEI114♥♣5-1+14
+7.9Round 8🇹🇼 CHINESE TAIPEI123NT♠Q+1+8
+7.6Round 14🇮🇩 INDONESIA116♦♦J-1+10
+7.4Round 14🇮🇩 INDONESIA101NT♦J-3+5
+7.3Round 14🇮🇩 INDONESIA75♣♦A=-1
+7.2Round 1🇨🇳 CHINA54♥♣9+1+0
+7.2Round 17🇹🇼 CHINESE TAIPEI24♥♥2=+3
+7.1Round 5🇮🇩 INDONESIA73NT♥9-2+17
+7.1Round 14🇮🇩 INDONESIA64♠♦A+3+17
+7.0Round 6🇸🇪 SWEDEN42♠♣3-2+7
+6.8Round 4🇺🇸 USA94♥♠K=+0
+6.8Round 17🇹🇼 CHINESE TAIPEI93NT♦4-2+13
+6.6Round 7🇫🇷 FRANCE136♠x♣6-2+7
+6.4Round 18🇮🇹 ITALY83NT♠5=+6
+6.2Round 13🇺🇸 USA42♥♠2=+6
+6.2Round 13🇺🇸 USA93NT♦9=-2
+6.2Round 16🇫🇷 FRANCE163NT♥3=+11
+6.1Round 2🇵🇱 POLAND134♠♠5=+0
+6.1Round 5🇮🇩 INDONESIA85♣♣K-1+10
+6.0Round 13🇺🇸 USA21NT♦6-4+7
+5.9Round 5🇮🇩 INDONESIA123NT♠8-3+12
+5.7Round 2🇵🇱 POLAND123♥x♠5-2+14
+5.7Round 4🇺🇸 USA115♣♥A=+0
+5.7Round 7🇫🇷 FRANCE126♣x♥K-2+10
+5.7Round 14🇮🇩 INDONESIA163NT♦3=-1
+5.6Round 4🇺🇸 USA146♥♠A-1+11
+5.4Round 11🇨🇳 CHINA61NT♥K+2+10
+5.3Round 13🇺🇸 USA115♥♠2+1+11
+5.3Round 17🇹🇼 CHINESE TAIPEI146♥♦7-3+15
+5.2Round 1🇨🇳 CHINA145♦♣8-1+10
+5.2Round 13🇺🇸 USA34♥♣8=+0
+5.1Round 5🇮🇩 INDONESIA52♣♦K=+5
+5.1Round 12OCEANIA13NT♣5-1+10
+5.1Round 12OCEANIA124♥♣A+1+11
+5.0Round 10🇵🇱 POLAND52♣♥3+1+6
+5.0Round 14🇮🇩 INDONESIA24♠♦J+1+1
+5.0Round 18🇮🇹 ITALY123NT♣9=+10
+4.9Round 9🇮🇹 ITALY163NT♣9+1+1
+4.9Round 14🇮🇩 INDONESIA42♠♥Q+1+0
+4.8Round 6🇸🇪 SWEDEN51NTx♥K=+2
+4.4Round 1🇨🇳 CHINA21NT♦7=+0
+4.4Round 13🇺🇸 USA14♥♦A+1+4
+4.3Round 2🇵🇱 POLAND26♠♥3=+0
+4.3Round 16🇫🇷 FRANCE35♦♠6-1+12
+4.3Round 16🇫🇷 FRANCE84♥♣A=+3
+4.2Round 13🇺🇸 USA162♠♦8-2+2
+4.2Round 17🇹🇼 CHINESE TAIPEI43♦x♦A-2+4
+4.1Round 4🇺🇸 USA163NT♠2+4+9
+4.1Round 6🇸🇪 SWEDEN82♣♥8-3+2
+4.1Round 13🇺🇸 USA53NT♣2-5-8
+4.1Round 13🇺🇸 USA124♥♣A-1+11
+4.0Round 9🇮🇹 ITALY134♣♠A-1+6
+3.9Round 7🇫🇷 FRANCE74♣♣A-1+1
+3.8Round 3OCEANIA74♠♥K=+10
+3.7Round 1🇨🇳 CHINA112♠♦5-2+5
+3.7Round 3OCEANIA33NT♦6=+6
+3.7Round 7🇫🇷 FRANCE164♥♠8-2+7
+3.7Round 12OCEANIA154♠♥A-1+6
+3.6Round 5🇮🇩 INDONESIA92♥♦10+1+0
+3.3Round 8🇹🇼 CHINESE TAIPEI93♠♥A=+6
+3.1Round 1🇨🇳 CHINA33♠♠5=+0
+3.1Round 10🇵🇱 POLAND83NT♣3-1+5
+3.1Round 14🇮🇩 INDONESIA122♠♠4-1+4
+3.0Round 4🇺🇸 USA122♠♥2+2+6
+3.0Round 5🇮🇩 INDONESIA132♠♦10-2+8
+2.9Round 18🇮🇹 ITALY23NT♠10-2+5
+2.8Round 7🇫🇷 FRANCE104♠♣2+1+0
+2.8Round 16🇫🇷 FRANCE13♥♠4+2+3
+2.7Round 7🇫🇷 FRANCE63NT♠4=+7
+2.6Round 4🇺🇸 USA102♦♠K-1+0
+2.6Round 10🇵🇱 POLAND122♠♦5+2+6
+2.6Round 13🇺🇸 USA143♠♥10-1+5
+2.6Round 18🇮🇹 ITALY41NT♠4+2+10
+2.4Round 6🇸🇪 SWEDEN34♥♣K+2-1
+2.4Round 16🇫🇷 FRANCE126NT♥A=+0
+2.3Round 4🇺🇸 USA72♦♣2+2+1
+2.3Round 5🇮🇩 INDONESIA14♠♣10+2+11
+2.3Round 6🇸🇪 SWEDEN111NT♠K+1-1
+2.3Round 8🇹🇼 CHINESE TAIPEI116♥♣8+1+11
+2.2Round 18🇮🇹 ITALY153♠♥A-1+8
+2.0Round 8🇹🇼 CHINESE TAIPEI84♥♦2=-1
+2.0Round 9🇮🇹 ITALY63♦♥A=-1
+2.0Round 10🇵🇱 POLAND133NT♠8-2+8
+1.9Round 1🇨🇳 CHINA43NT♦J+1+1
+1.8Round 1🇨🇳 CHINA93♠♠A-1+5
+1.8Round 9🇮🇹 ITALY106♠♥3+1+1
+1.7Round 5🇮🇩 INDONESIA156♥♠K+1-13
+1.7Round 7🇫🇷 FRANCE83NT♥4=-1
+1.6Round 4🇺🇸 USA43NT♥7-1-6
+1.6Round 11🇨🇳 CHINA24♠♦K+1+0
+1.6Round 16🇫🇷 FRANCE23NT♥8-1+5
+1.3Round 3OCEANIA43♣♦4-1-1
+1.3Round 4🇺🇸 USA154♠♦6+1+1
+1.3Round 8🇹🇼 CHINESE TAIPEI24♠♥5+2+5
+1.3Round 8🇹🇼 CHINESE TAIPEI5Pass+4
+1.3Round 11🇨🇳 CHINA132♠♦A=-1
+1.3Round 12OCEANIA42♣♦K-1-1
+1.2Round 11🇨🇳 CHINA13♠♥K+1-4
+1.2Round 12OCEANIA144♥♦10+1+0
+1.2Round 18🇮🇹 ITALY102NT♣3=+0
+1.2Round 18🇮🇹 ITALY111NT♠2+3-6
+1.2Round 18🇮🇹 ITALY132♠♣2=+1
+1.1Round 17🇹🇼 CHINESE TAIPEI53NT♥9+1+0
+1.0Round 10🇵🇱 POLAND104♠♣7=+0
+1.0Round 11🇨🇳 CHINA34♥♦A=+0
+0.9Round 10🇵🇱 POLAND161♠♣A+1+9
+0.9Round 13🇺🇸 USA153♠♣A+1+6
+0.8Round 4🇺🇸 USA82♥♦K=+7
+0.8Round 6🇸🇪 SWEDEN64♥♥3+2-11
+0.8Round 14🇮🇩 INDONESIA33NT♠3+2+1
+0.7Round 2🇵🇱 POLAND42N♠4=+1
+0.7Round 7🇫🇷 FRANCE143♦♣K+1-7
+0.7Round 17🇹🇼 CHINESE TAIPEI153NT♠K+2+1
+0.6Round 1🇨🇳 CHINA73NT♠Q+1+0
+0.6Round 4🇺🇸 USA133NT♥5+2+0
+0.6Round 5🇮🇩 INDONESIA63♦♣Q+1+0
+0.6Round 12OCEANIA115♣♣5+1+1
+0.4Round 2🇵🇱 POLAND62♠♣9+2-6
+0.4Round 7🇫🇷 FRANCE93NT♥5-1+12
+0.4Round 7🇫🇷 FRANCE152♥♥6+2+6
+0.3Round 3OCEANIA153♠♥7-3+0
+0.3Round 6🇸🇪 SWEDEN102♠♦J=-1
+0.3Round 12OCEANIA92♥♠8=+0
+0.3Round 12OCEANIA164♥♣A+1+0
+0.2Round 1🇨🇳 CHINA63NT♥3+1+0
+0.2Round 1🇨🇳 CHINA105♥♦5=+0
+0.2Round 12OCEANIA54♥♥A+1+0
+0.2Round 13🇺🇸 USA74♠♥5+1+13
+0.1Round 3OCEANIA52♠♣8+3+6
+0.1Round 8🇹🇼 CHINESE TAIPEI103♠♥10-1+5
+0.1Round 9🇮🇹 ITALY123NT♠2+4+10
+0.1Round 12OCEANIA24NT♦4+2-13
+0.1Round 13🇺🇸 USA63♦♠Q-1-1
+0.1Round 18🇮🇹 ITALY144♥♦3+1-4
+0.0Round 2🇵🇱 POLAND53N♠Q+1-16
+0.0Round 2🇵🇱 POLAND143N♣2=-1
+0.0Round 2🇵🇱 POLAND154♠♥5=+0
+0.0Round 9🇮🇹 ITALY21♠♣2=-2
+0.0Round 10🇵🇱 POLAND33NT♦7=-1
+0.0Round 12OCEANIA81NT♣8-2-1
+0.0Round 18🇮🇹 ITALY15♣♠A-1-4
+0.0Round 18🇮🇹 ITALY35♥♣K+1+12
-0.1Round 6🇸🇪 SWEDEN133♠♥J=+0
-0.1Round 7🇫🇷 FRANCE36♦♠2+1+13
-0.1Round 11🇨🇳 CHINA154♠♣2+1+0
-0.1Round 13🇺🇸 USA83♣♥4-2+7
-0.1Round 17🇹🇼 CHINESE TAIPEI16♦♠8-1+4
-0.2Round 9🇮🇹 ITALY143NT♣10+2-11
-0.2Round 10🇵🇱 POLAND143NT♠6+2+10
-0.3Round 1🇨🇳 CHINA13♥♣10-1-2
-0.3Round 6🇸🇪 SWEDEN14♣♥A+1-6
-0.3Round 8🇹🇼 CHINESE TAIPEI73NT♦2+1+0
-0.3Round 10🇵🇱 POLAND62♣♥4=-1
-0.3Round 11🇨🇳 CHINA94♥♠8+1+0
-0.4Round 7🇫🇷 FRANCE24♥♦T-1-9
-0.4Round 7🇫🇷 FRANCE113NT♠4+1-1
-0.4Round 9🇮🇹 ITALY14♥♦6+1-1
-0.4Round 11🇨🇳 CHINA45♣♠3-1+12
-0.4Round 16🇫🇷 FRANCE61NT♥7+1+0
-0.6Round 2🇵🇱 POLAND103N♥Q+1-12
-0.6Round 7🇫🇷 FRANCE43♦♣2+1+0
-0.6Round 14🇮🇩 INDONESIA141NT♥K-2+0
-0.6Round 16🇫🇷 FRANCE152NT♣2=-1
-0.7Round 1🇨🇳 CHINA151NT♠2+1-1
-0.7Round 6🇸🇪 SWEDEN92♠♣5-1+1
-0.8Round 7🇫🇷 FRANCE12♦♣6-1+2
-0.9Round 7🇫🇷 FRANCE51NT♥3-3+2
-0.9Round 10🇵🇱 POLAND13NT♥Q-1-8
-0.9Round 17🇹🇼 CHINESE TAIPEI123NT♠2=+0
-1.0Round 11🇨🇳 CHINA143♠♦K+2-6
-1.1Round 3OCEANIA142♥♣6-1-1
-1.1Round 9🇮🇹 ITALY32NT♠4-1-4
-1.1Round 10🇵🇱 POLAND43♠♦5=+0
-1.1Round 17🇹🇼 CHINESE TAIPEI34♥♠J-1+2
-1.2Round 6🇸🇪 SWEDEN124♠♥J=+1
-1.3Round 3OCEANIA101NT♠5=+1
-1.3Round 18🇮🇹 ITALY94♥♣A=+0
-1.4Round 10🇵🇱 POLAND152♥♣4+1+0
-1.6Round 4🇺🇸 USA24♠♣J+1+0
-1.6Round 16🇫🇷 FRANCE73♠♣A=+0
-1.7Round 8🇹🇼 CHINESE TAIPEI144♦♥A-1+2
-1.7Round 8🇹🇼 CHINESE TAIPEI163NT♠2+1+1
-1.7Round 11🇨🇳 CHINA102♥♦K=+0
-1.7Round 14🇮🇩 INDONESIA14♠♦A=-3
-1.8Round 11🇨🇳 CHINA73♥♣Q+1-10
-1.9Round 2🇵🇱 POLAND15♦x♠7-1-6
-1.9Round 3OCEANIA124♠x♣9-2+9
-2.0Round 10🇵🇱 POLAND93NT♦4=+0
-2.1Round 11🇨🇳 CHINA161NT♣A+2-1
-2.1Round 12OCEANIA33♣♥3=+0
-2.1Round 17🇹🇼 CHINESE TAIPEI73NT♥6=+1
-2.3Round 2🇵🇱 POLAND32♠♥8+2-2
-2.6Round 11🇨🇳 CHINA81NT♠Q+2-1
-2.8Round 2🇵🇱 POLAND112♥♦J+2+6
-2.8Round 11🇨🇳 CHINA113♦♥2=+7
-2.9Round 3OCEANIA85♦♥A-2-5
-2.9Round 3OCEANIA115♦x♥2-1-5
-2.9Round 5🇮🇩 INDONESIA25♣♠2-1-5
-3.0Round 2🇵🇱 POLAND76N♦4-1-13
-3.0Round 5🇮🇩 INDONESIA112♣♦10=-10
-3.0Round 14🇮🇩 INDONESIA83NT♣6+1-4
-3.1Round 1🇨🇳 CHINA84♠♥9-1-5
-3.1Round 4🇺🇸 USA64♠♦9+1+0
-3.1Round 10🇵🇱 POLAND73♥♣J=-6
-3.1Round 18🇮🇹 ITALY74♥♠7-2-12
-3.2Round 5🇮🇩 INDONESIA163♦♣6=-8
-3.3Round 6🇸🇪 SWEDEN144♠x♥3-1-8
-3.3Round 9🇮🇹 ITALY54♠♣A=+0
-3.7Round 17🇹🇼 CHINESE TAIPEI104♥♣K-1-13
-3.8Round 16🇫🇷 FRANCE44♠x♠8=-4
-3.9Round 2🇵🇱 POLAND82N♣T-3-6
-4.0Round 8🇹🇼 CHINESE TAIPEI14♠♠K+1+11
-4.0Round 9🇮🇹 ITALY84♥♦2-2-5
-4.2Round 17🇹🇼 CHINESE TAIPEI84♥♠4+1-1
-4.3Round 16🇫🇷 FRANCE104♥♦2+1+0
-4.4Round 4🇺🇸 USA13NT♠6+1+0
-4.6Round 5🇮🇩 INDONESIA103NT♥5+2-2
-4.7Round 6🇸🇪 SWEDEN73NT♠7-1-12
-4.9Round 8🇹🇼 CHINESE TAIPEI154♠♠2-1-12
-4.9Round 16🇫🇷 FRANCE144♠x♣4-2+4
-5.0Round 6🇸🇪 SWEDEN162♠x♥A-2-5
-5.0Round 14🇮🇩 INDONESIA94♥♣9+2-11
-5.1Round 18🇮🇹 ITALY64♥♠5+2-11
-5.2Round 11🇨🇳 CHINA55♠♥A-2-8
-5.3Round 16🇫🇷 FRANCE132♠♥3+1+0
-5.6Round 4🇺🇸 USA36♥♣5=+13
-5.8Round 8🇹🇼 CHINESE TAIPEI135♣♥5+1+0
-5.9Round 5🇮🇩 INDONESIA36♥♥8-1-11
-5.9Round 9🇮🇹 ITALY91NT♦2=-6
-6.4Round 3OCEANIA135♦♣10+1+13
-6.4Round 9🇮🇹 ITALY154♠♠6+1-7
-6.6Round 5🇮🇩 INDONESIA42♠♣3+4-9
-7.1Round 8🇹🇼 CHINESE TAIPEI43♥♠8=+0
-7.1Round 17🇹🇼 CHINESE TAIPEI133♠♥4-1-12
-7.3Round 16🇫🇷 FRANCE113NT♥4+1+0
-7.4Round 1🇨🇳 CHINA123NT♠8+1+0
-7.8Round 3OCEANIA15♦♥2-2-11
-8.2Round 9🇮🇹 ITALY43NT♥10-1-12
-8.7Round 2🇵🇱 POLAND165♦♣A=-11
-8.7Round 3OCEANIA65♦x♥A-2-5
-11.0Round 9🇮🇹 ITALY75♥x♣6-2-15
-11.1Round 6🇸🇪 SWEDEN156♣♠2=-9
-11.2Round 12OCEANIA104♠x♦6=-11
-11.2Round 16🇫🇷 FRANCE96♠♥6-1-11
-11.6Round 18🇮🇹 ITALY53NT♣10-2-13
-11.7Round 5🇮🇩 INDONESIA146NT♣3-1-14
-13.0Round 14🇮🇩 INDONESIA156NTx♣3=-13
-14.3Round 10🇵🇱 POLAND114♥x♣A-6-14
-15.0Round 13🇺🇸 USA105♦x♠J=-16