🇳🇱 KOLEN Sandra · NETHERLANDS

7rank
+132.8Butler · 182 bds
+0.73per board
±4.1swing
+0.72vs par /bd · #11/78
+0.76adjusted /bd
Butler per round: 36.3 39.3 3.3 7.5 -9.4 6.9 9.6 -4.1 21 18.2 5.5 4.8 -6.1by round

vs par split: bidding +0.31 · play +0.38

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.76/bd

Card play — on target: opening leads 81.8% #31 of 78 · declarer play 85.0% #3 of 78 · defence 84.2% #32 of 78

Card play by contract type — on target
vs NTvs a suit
Opening leads85.7% (14)80.5% (41)
Declarer play88.9% (9)83.9% (31)
Defence75.0% (24)87.0% (77)

Opening leads by suit led: ♠ 66.7% (12) · ♥ 75.0% (8) · ♦ 86.4% (22) · ♣ 92.3% (13)

vs par by strain: NT +0.54 (50) · a suit +0.75 (130)

vs par by level: part-score +0.64 (81) · game -0.27 (88) · slam +8.73 (11)

By role: declaring +1.22/bd (-1.22 vs par · 79) · defending +0.35/bd (+2.20 vs par · 103)

By vulnerability: vulnerable +0.35/bd (+0.02 vs par · 91) · not vulnerable +1.11/bd (+1.42 vs par · 91)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1E.VisserS.Sjodal – A.KjensliOpen14+36.3+2.59+1.43
Round 2E.VisserI.Perez – M.De Andrade CavalcanteOpen14+39.3+2.81+3.43
Round 3E.VisserY.Wu – Y.LeungOpen14+3.3+0.24-0.07
Round 4E.VisserZ.Baldysz – A.ZarebaClosed14+7.5+0.54+0.79
Round 5E.VisserE.Jounin – A.LeleuOpen14-9.4-0.67-3.29
Round 6E.VisserC.Hu – X.NiClosed14+6.9+0.49+1.21
Round 7E.VisserY.Huang – W.YuOpen14+9.6+0.69-1.57
Round 8E.VisserP.Thanchiranukul – T.ChaiyasingOpen14-4.1-0.29+1.36
Round 9E.VisserV.Szucs – H.LajosClosed14+21.0+1.50+3.57
Round 11E.VisserO.Bailey – E.WieczorekClosed14+18.2+1.30+2.36
Round 12E.VisserE.Gurer – S.AkdasClosed14+5.5+0.39-0.21
Round 14E.VisserF.Sibuea – E.NingtiasClosed14+4.8+0.34-0.79
Round 15E.VisserL.Zhang – S.ChangOpen14-6.1-0.44+1.14

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
+13.7Round 14🇮🇩 INDONESIA56♦♣3-1+17
+11.5Round 2🇧🇷 BRAZIL86♥♦4=+11
+11.2Round 3🇭🇰 CHINA HONG KONG55♥x♠10=+10
+9.8Round 1🇳🇴 NORWAY133NT♦4=-1
+9.4Round 8🇹🇭 THAILAND146♥♠6-2+11
+8.9Round 9🇭🇺 HUNGARY126♠♥J-1+13
+8.6Round 2🇧🇷 BRAZIL93♠♦9-1+13
+8.1Round 14🇮🇩 INDONESIA107♣♣3-1+20
+7.4Round 9🇭🇺 HUNGARY93NT♥K-5+9
+7.2Round 4🇵🇱 POLAND124♥♦3-1+6
+7.1Round 2🇧🇷 BRAZIL103♥♠K-1+6
+6.5Round 7🇹🇼 CHINESE TAIPEI22♥♠5+2+6
+6.2Round 4🇵🇱 POLAND84♥x♦9=+10
+6.2Round 5🇫🇷 FRANCE14♠♦Q=+0
+6.0Round 2🇧🇷 BRAZIL144♠x♥9-2+5
+6.0Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23♥♥2-2+7
+5.8Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53NT♦9=+0
+5.8Round 15🇺🇸 USA53NT♥Q-1+12
+5.7Round 4🇵🇱 POLAND73♥♣A-2+3
+5.3Round 3🇭🇰 CHINA HONG KONG44♠♦3+1+0
+5.2Round 6🇨🇳 CHINA84♠♦K+2+14
+5.1Round 1🇳🇴 NORWAY103♥♠A+1+10
+5.1Round 8🇹🇭 THAILAND52♥♣A+1+7
+5.0Round 5🇫🇷 FRANCE84♠♠6=+0
+5.0Round 8🇹🇭 THAILAND64♥♥3-2+5
+4.8Round 1🇳🇴 NORWAY145♥♣7-3+11
+4.7Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND61NT♣3+2+1
+4.6Round 2🇧🇷 BRAZIL51♠♣9+1+6
+4.6Round 7🇹🇼 CHINESE TAIPEI102NT♥2+3+3
+4.6Round 12🇹🇷 TURKEY36♦♠K=+12
+4.5Round 1🇳🇴 NORWAY22♥♦5-3-3
+4.5Round 7🇹🇼 CHINESE TAIPEI64♥♣K+1+1
+4.3Round 4🇵🇱 POLAND14♠♥Q=+8
+4.3Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143NT♥Q-2+11
+4.3Round 12🇹🇷 TURKEY66♥♣2=+0
+4.2Round 2🇧🇷 BRAZIL12♠♦A=+6
+4.2Round 5🇫🇷 FRANCE132♥♥7=+0
+3.8Round 9🇭🇺 HUNGARY53♦♦5-1+6
+3.7Round 2🇧🇷 BRAZIL121NT♠10-2+5
+3.7Round 6🇨🇳 CHINA63NT♥K-2+6
+3.4Round 15🇺🇸 USA26♥♣4=+0
+3.2Round 1🇳🇴 NORWAY53NT♥9+1+0
+3.2Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93♥♣3-3-4
+3.1Round 12🇹🇷 TURKEY141NT♣8=+5
+3.0Round 8🇹🇭 THAILAND115♣x♠A-1+6
+2.9Round 6🇨🇳 CHINA142♦♣5=-1
+2.8Round 1🇳🇴 NORWAY32♠♠6+1+7
+2.8Round 1🇳🇴 NORWAY63♣♣8-3-10
+2.8Round 3🇭🇰 CHINA HONG KONG133NT♣5=-1
+2.8Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133NT♦Q+1-1
+2.7Round 1🇳🇴 NORWAY123♣♠K+1+0
+2.7Round 7🇹🇼 CHINESE TAIPEI124♥♣10-2+0
+2.7Round 8🇹🇭 THAILAND102♥♦K-3+4
+2.7Round 14🇮🇩 INDONESIA72♠♣K+2-10
+2.6Round 15🇺🇸 USA92NT♦3+1+1
+2.5Round 7🇹🇼 CHINESE TAIPEI43NT♦9=+0
+2.5Round 9🇭🇺 HUNGARY72♥♣7-1+5
+2.5Round 9🇭🇺 HUNGARY101♠♦A+1+0
+2.5Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND86♥♣5-1+11
+2.2Round 4🇵🇱 POLAND91NT♦5+1+0
+2.2Round 7🇹🇼 CHINESE TAIPEI145♣♠7+1+1
+2.0Round 1🇳🇴 NORWAY84♠♠7+3+2
+2.0Round 2🇧🇷 BRAZIL63NT♠7+2+1
+2.0Round 14🇮🇩 INDONESIA34♠♥Q+1+0
+1.9Round 3🇭🇰 CHINA HONG KONG141NT♠4+1+1
+1.9Round 9🇭🇺 HUNGARY6Pass+3
+1.9Round 9🇭🇺 HUNGARY143NT♣9=+2
+1.8Round 2🇧🇷 BRAZIL33NT♥K+2+0
+1.8Round 6🇨🇳 CHINA53♥♠Q=+0
+1.8Round 12🇹🇷 TURKEY122♥♣9-1-10
+1.7Round 12🇹🇷 TURKEY112♦♣K+1+0
+1.5Round 5🇫🇷 FRANCE33NT♣J-1+5
+1.5Round 5🇫🇷 FRANCE73♠♦10-1-1
+1.5Round 12🇹🇷 TURKEY134♥♥3+1+0
+1.4Round 3🇭🇰 CHINA HONG KONG14♠♥9=-1
+1.4Round 4🇵🇱 POLAND62♦♥K=+0
+1.3Round 7🇹🇼 CHINESE TAIPEI134NT♠6+2-13
+1.3Round 8🇹🇭 THAILAND123♥♠K+1+8
+1.3Round 12🇹🇷 TURKEY23NT♥2=+0
+1.3Round 15🇺🇸 USA75♦x♠6-1+8
+1.2Round 2🇧🇷 BRAZIL41NT♣6+2-10
+1.1Round 4🇵🇱 POLAND113NT♠5-1+10
+1.1Round 7🇹🇼 CHINESE TAIPEI84♠♣2+1+1
+1.1Round 9🇭🇺 HUNGARY15♦x♥A-2-5
+1.1Round 14🇮🇩 INDONESIA44♠♦J=+0
+1.1Round 14🇮🇩 INDONESIA62♥♣4-1-2
+1.1Round 15🇺🇸 USA84♦♥7-1+4
+1.0Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123♥♠4-2+3
+0.9Round 5🇫🇷 FRANCE102♠♦3-3-7
+0.9Round 7🇹🇼 CHINESE TAIPEI11NT♣5+2+2
+0.8Round 6🇨🇳 CHINA132♥♥3+1+0
+0.8Round 12🇹🇷 TURKEY53♦♠7+1+0
+0.8Round 14🇮🇩 INDONESIA93♥♦9-3-10
+0.8Round 14🇮🇩 INDONESIA133NT♦3=+0
+0.6Round 9🇭🇺 HUNGARY41NT♣Q+1-1
+0.5Round 1🇳🇴 NORWAY44♠♣4=+1
+0.5Round 4🇵🇱 POLAND53♦♠A-1-8
+0.5Round 7🇹🇼 CHINESE TAIPEI92♠♥J-1+11
+0.5Round 12🇹🇷 TURKEY102♦♦3-1-1
+0.4Round 3🇭🇰 CHINA HONG KONG124♠♣A-1-5
+0.3Round 4🇵🇱 POLAND31NT♥2=+7
+0.3Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33NT♥J+1+0
+0.2Round 1🇳🇴 NORWAY114♠♠5+1+0
+0.2Round 15🇺🇸 USA143♣♠10+2+6
+0.1Round 4🇵🇱 POLAND24♠♦5-2+7
+0.1Round 9🇭🇺 HUNGARY111NT♣2=+0
-0.0Round 6🇨🇳 CHINA44♠♣7+1+0
-0.0Round 15🇺🇸 USA104♠♦3+1+0
-0.1Round 2🇧🇷 BRAZIL72NT♣Q=+11
-0.1Round 6🇨🇳 CHINA7Pass+4
-0.1Round 7🇹🇼 CHINESE TAIPEI74♠♥Q=+0
-0.2Round 6🇨🇳 CHINA104♠♥Q-1-6
-0.2Round 12🇹🇷 TURKEY14♠♣5=+0
-0.2Round 12🇹🇷 TURKEY93NT♥6+1-1
-0.3Round 8🇹🇭 THAILAND23♦♣Q+1+0
-0.4Round 5🇫🇷 FRANCE53♣♠6+2-7
-0.5Round 1🇳🇴 NORWAY14♥♠K-1-4
-0.5Round 2🇧🇷 BRAZIL132♠♣2=+6
-0.5Round 3🇭🇰 CHINA HONG KONG74♠♦A=-3
-0.5Round 6🇨🇳 CHINA123♥♣5=-1
-0.5Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND115♦x♦6-2+0
-0.6Round 8🇹🇭 THAILAND34♥♦10=+0
-0.7Round 1🇳🇴 NORWAY92♦♦9+2+7
-0.7Round 4🇵🇱 POLAND102♠♦2+2-1
-0.7Round 6🇨🇳 CHINA32♥♦A=+7
-0.7Round 15🇺🇸 USA122♠♦7+1-6
-0.8Round 12🇹🇷 TURKEY44♠♣A+1-4
-0.8Round 14🇮🇩 INDONESIA13♠♠4+1-6
-0.8Round 15🇺🇸 USA13NT♠5+2-1
-0.9Round 1🇳🇴 NORWAY74♥♣7+1+0
-1.1Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43♦♦3=+0
-1.2Round 6🇨🇳 CHINA13♥♠3=+4
-1.2Round 6🇨🇳 CHINA22NT♥10=-5
-1.2Round 9🇭🇺 HUNGARY21♣♦A-2+9
-1.3Round 3🇭🇰 CHINA HONG KONG24♥♠K=-1
-1.3Round 3🇭🇰 CHINA HONG KONG93NT♥2+1+0
-1.4Round 8🇹🇭 THAILAND83♦♣4-1-4
-1.5Round 5🇫🇷 FRANCE114♠♣A=+0
-1.5Round 5🇫🇷 FRANCE142♣♠J+2-7
-1.5Round 6🇨🇳 CHINA113NT♠10=+0
-1.5Round 8🇹🇭 THAILAND14♥♣A=+1
-1.7Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND11NT♦3+1+7
-1.8Round 3🇭🇰 CHINA HONG KONG103NT♥10+1-1
-1.8Round 9🇭🇺 HUNGARY32♠♦A=+0
-2.1Round 6🇨🇳 CHINA92♠♠2=-5
-2.1Round 15🇺🇸 USA63NT♥8-2-7
-2.5Round 5🇫🇷 FRANCE45♦x♣K-2+4
-2.6Round 2🇧🇷 BRAZIL111♠♥10=+1
-2.6Round 14🇮🇩 INDONESIA123♦♠9=+0
-2.7Round 9🇭🇺 HUNGARY84♥♠10+1-1
-2.7Round 15🇺🇸 USA132♥♠A+1+0
-3.0Round 3🇭🇰 CHINA HONG KONG82♥♣6+2+4
-3.0Round 3🇭🇰 CHINA HONG KONG113♠♦6=+0
-3.2Round 15🇺🇸 USA36NT♦10=+11
-3.3Round 15🇺🇸 USA45♦♥J=+2
-3.5Round 3🇭🇰 CHINA HONG KONG33NT♥Q+2+14
-3.5Round 7🇹🇼 CHINESE TAIPEI33NT♥2=-10
-4.0Round 7🇹🇼 CHINESE TAIPEI54♠♥K+2-13
-4.0Round 9🇭🇺 HUNGARY133♠♣Q=+10
-4.1Round 4🇵🇱 POLAND44♠♥A=-9
-4.1Round 5🇫🇷 FRANCE64♠x♦K-2-5
-4.1Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♠♥3=+0
-4.2Round 14🇮🇩 INDONESIA114♥x♠K-1-6
-4.3Round 12🇹🇷 TURKEY84NT♥2+1+0
-4.8Round 8🇹🇭 THAILAND42♠♥J=-6
-4.8Round 14🇮🇩 INDONESIA84♦♠K-1-9
-5.0Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103NT♦Q+3-2
-5.2Round 4🇵🇱 POLAND133NT♠5-1-12
-5.2Round 5🇫🇷 FRANCE23NT♥Q-2-6
-5.2Round 8🇹🇭 THAILAND132NT♦K=+0
-5.2Round 14🇮🇩 INDONESIA144♠♦6+2-2
-5.3Round 3🇭🇰 CHINA HONG KONG64♥x♦K-2-18
-6.0Round 5🇫🇷 FRANCE126♦♦2-1-10
-7.4Round 8🇹🇭 THAILAND74♠♣J=+0
-7.5Round 5🇫🇷 FRANCE93♦♦3=-12
-7.7Round 15🇺🇸 USA113NT♦6-1-14
-7.9Round 14🇮🇩 INDONESIA24♥♣3=-3
-8.2Round 2🇧🇷 BRAZIL25♥♦Q-1-13
-8.6Round 12🇹🇷 TURKEY75♣x♦J=-4
-9.4Round 8🇹🇭 THAILAND95♥♥8+1-13
-9.6Round 7🇹🇼 CHINESE TAIPEI113NT♠3-1-11
-11.5Round 4🇵🇱 POLAND143♥x♠K+1-10