🇺🇸 GROSSACK Zachary · USA 1

5rank
+216.3Butler · 210 bds
+1.03per board
±5.2swing
+0.46vs par /bd · #38/115
+0.96adjusted /bd
Butler per round: 42.1 12.7 42.6 -17.7 -19.7 17.8 -2.1 36.2 25.1 11.5 7.1 12.8 9 17.5 21.4by round

vs par split: bidding -0.21 · play +0.61

Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted +0.96/bd

Card play — on target: opening leads 75.0% #90 of 115 · declarer play 77.0% #40 of 115 · defence 88.9% #13 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads72.2% (18)76.7% (30)
Declarer play81.0% (21)75.0% (40)
Defence82.8% (29)91.8% (61)

Opening leads by suit led: ♠ 58.3% (12) · ♥ 72.7% (11) · ♦ 92.9% (14) · ♣ 72.7% (11)

vs par by strain: NT +0.60 (68) · a suit +0.35 (141)

vs par by level: part-score +0.06 (50) · game +0.55 (131) · slam +0.54 (28)

By role: declaring +0.88/bd (-1.94 vs par · 118) · defending +1.22/bd (+3.53 vs par · 92)

By vulnerability: vulnerable +1.15/bd (+0.77 vs par · 105) · not vulnerable +0.91/bd (+0.14 vs par · 105)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.GrossackA.Argain – N.SengialiClosed14+42.1+3.01+3.07
Round 2A.GrossackP.Chan – L.LamOpen14+12.7+0.91-0.14
Round 4A.GrossackM.Myllaeri – O.KoivuOpen14+42.6+3.04-0.79
Round 5A.GrossackJ.Wang – Y.ChenClosed14-17.7-1.26-2.29
Round 6A.GrossackY.Tao – Z.TangClosed14-19.7-1.41-2.36
Round 8A.GrossackJ.Van Lankveld – R.WesterbeekOpen14+17.8+1.27+1.21
Round 9A.GrossackJ.Howard – L.GinnanClosed14-2.1-0.15-0.71
Round 11A.GrossackJ.Tsang – E.MacaulayOpen14+36.2+2.59+2.86
Round 12A.GrossackK.Ellingsen – H.EideOpen14+25.1+1.79+3.93
Round 13A.GrossackA.Hudson – G.HermanClosed14+11.5+0.82-0.14
Round 15A.GrossackJ.Bernard – B.CombescureClosed14+7.1+0.51+2.64
Round 16A.GrossackV.Vikjord – A.MorgielClosed14+12.8+0.91+0.36
Round 18A.GrossackM.Gronkvist – D.GullbergOpen14+9.0+0.64-1.07
Round 20A.GrossackG.Maele – B.ElleceClosed14+17.5+1.25-0.43
Round 21A.GrossackP.Jassem – J.WojcieszekClosed14+21.4+1.53+0.71

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 11🇨🇦 CANADA74♥xx♠K=+15
+12.9Round 9🇦🇺 AUSTRALIA26♠x♦A-3+14
+12.8Round 12🇳🇴 NORWAY206♣♣7-2+17
+12.3Round 11🇨🇦 CANADA94♠x♣7=+14
+12.1Round 1🇦🇷 ARGENTINA47♣♦7-2+17
+11.7Round 9🇦🇺 AUSTRALIA76NT♦4=+0
+11.6Round 12🇳🇴 NORWAY225♥♣K-1+15
+11.5Round 4🇫🇮 FINLAND156♠♣Q=+0
+11.0Round 1🇦🇷 ARGENTINA16♥♣4-1+17
+10.3Round 21🇵🇱 POLAND64♠♥Q=+10
+9.9Round 4🇫🇮 FINLAND183NT♦A+3+9
+9.9Round 15🇫🇷 FRANCE76♠♦3+1+13
+9.5Round 1🇦🇷 ARGENTINA127♦♦3=-2
+9.3Round 1🇦🇷 ARGENTINA62♠♥A-1+12
+9.2Round 13🇺🇸 USA 293NT♦5+1+8
+8.9Round 20BOTSWANA234♥♠8=+1
+8.5Round 16🇩🇪 GERMANY194♣x♥K-3+8
+8.3Round 2🇭🇰 CHINA HONG KONG184♥x♣J-2+3
+8.3Round 20BOTSWANA253♦x♣10+1+4
+8.2Round 20BOTSWANA275♠♦A=+0
+8.0Round 13🇺🇸 USA 253♣♥A-4+6
+8.0Round 13🇺🇸 USA 2134♠♦8-2+13
+7.5Round 18🇸🇪 SWEDEN274♠x♥K-3+3
+7.1Round 15🇫🇷 FRANCE134♠♥A=+10
+7.1Round 18🇸🇪 SWEDEN262♣♠T-3-8
+7.1Round 20BOTSWANA246♥♣2-1+11
+6.9Round 16🇩🇪 GERMANY226♦♠Q-2+14
+6.8Round 16🇩🇪 GERMANY186♥♣3=-11
+6.8Round 20BOTSWANA182♥♦4=+8
+6.7Round 4🇫🇮 FINLAND264NT♥4+1+0
+6.7Round 8🇳🇱 NETHERLANDS225♠♣J-1+9
+6.6Round 21🇵🇱 POLAND25♣♠K=-2
+6.2Round 2🇭🇰 CHINA HONG KONG273NT♦2+1+1
+6.2Round 8🇳🇱 NETHERLANDS274♥♥6+1+1
+6.2Round 8🇳🇱 NETHERLANDS283NT♥T-4+8
+6.1Round 11🇨🇦 CANADA2Adj.♦3+6
+6.0Round 9🇦🇺 AUSTRALIA116♥♠K=+0
+6.0Round 11🇨🇦 CANADA143NT♠2=+7
+6.0Round 12🇳🇴 NORWAY164♠-1+6
+5.8Round 21🇵🇱 POLAND44♠♣4+2+13
+5.7Round 21🇵🇱 POLAND94♥♦8+1+0
+5.6Round 4🇫🇮 FINLAND193NT♦2=+6
+5.4Round 4🇫🇮 FINLAND284♦♦10+1-11
+5.3Round 11🇨🇦 CANADA43♥♦5-2+10
+5.2Round 8🇳🇱 NETHERLANDS255♦x♦2-2+8
+5.1Round 21🇵🇱 POLAND74♠♦4-1+12
+5.1Round 21🇵🇱 POLAND144♠♠2-2+6
+5.0Round 5🇹🇼 CHINESE TAIPEI133NT♠5-2+8
+5.0Round 12🇳🇴 NORWAY243NT♠6=+0
+4.5Round 4🇫🇮 FINLAND224♥♠2=+7
+4.5Round 18🇸🇪 SWEDEN224♥♣9+1+1
+4.4Round 5🇹🇼 CHINESE TAIPEI52♥♦A-1+12
+4.4Round 15🇫🇷 FRANCE32NT♠3+1+7
+4.3Round 4🇫🇮 FINLAND203NT♥Q-1+6
+4.3Round 18🇸🇪 SWEDEN243NT♥4+1+0
+4.2Round 6🇨🇳 CHINA234♠♥A=+0
+4.2Round 8🇳🇱 NETHERLANDS183♠♣8-3+2
+4.2Round 20BOTSWANA173NT♥10-2+11
+4.1Round 2🇭🇰 CHINA HONG KONG156♣♠K+1-2
+4.1Round 5🇹🇼 CHINESE TAIPEI23♠♥10-3-2
+4.1Round 8🇳🇱 NETHERLANDS173NT♣4-2+6
+3.8Round 13🇺🇸 USA 212NT♦9-2+6
+3.5Round 9🇦🇺 AUSTRALIA144♦♥8-4+2
+3.5Round 13🇺🇸 USA 2103♦x♦2-1+8
+3.4Round 16🇩🇪 GERMANY232♥♣Q-1-1
+3.2Round 11🇨🇦 CANADA54♠♥K+2+1
+3.0Round 5🇹🇼 CHINESE TAIPEI84♥♠5=+1
+3.0Round 12🇳🇴 NORWAY284♠♠2-1+10
+2.8Round 1🇦🇷 ARGENTINA53NT♣A=-1
+2.8Round 6🇨🇳 CHINA194♠♣2=+0
+2.7Round 11🇨🇦 CANADA113NT♣3+1+0
+2.7Round 18🇸🇪 SWEDEN152♠♠2-2+0
+2.5Round 1🇦🇷 ARGENTINA114♥♣4-1+5
+2.5Round 1🇦🇷 ARGENTINA144♠♦3-2+5
+2.5Round 13🇺🇸 USA 271NT♥6-4-6
+2.4Round 5🇹🇼 CHINESE TAIPEI124♠♣7+1+1
+2.4Round 8🇳🇱 NETHERLANDS204♠♥6+1-13
+2.4Round 20BOTSWANA263NT♥A+1+1
+2.4Round 21🇵🇱 POLAND117♦♠3=-2
+2.3Round 15🇫🇷 FRANCE13NT♦4=+0
+2.2Round 2🇭🇰 CHINA HONG KONG254♠♦K=+0
+2.2Round 2🇭🇰 CHINA HONG KONG283NT♣J=-1
+2.2Round 16🇩🇪 GERMANY263NT♥3+2+1
+2.1Round 4🇫🇮 FINLAND171NT♦A+1+5
+2.1Round 12🇳🇴 NORWAY183NT♣5=-1
+2.0Round 12🇳🇴 NORWAY233NT♠K+1+4
+2.0Round 21🇵🇱 POLAND102♠♣6-3+7
+1.7Round 21🇵🇱 POLAND124♥♠A+1+1
+1.6Round 6🇨🇳 CHINA254♠♣K+1+0
+1.6Round 18🇸🇪 SWEDEN201NT♦5=+11
+1.5Round 8🇳🇱 NETHERLANDS232♦♦8=+0
+1.4Round 12🇳🇴 NORWAY194♥♣2=+0
+1.1Round 8🇳🇱 NETHERLANDS153♠♣A-1+5
+1.1Round 11🇨🇦 CANADA102♠♠2+1+1
+1.1Round 13🇺🇸 USA 264♠♣3+1-13
+1.0Round 5🇹🇼 CHINESE TAIPEI13NT♥9+1-1
+1.0Round 5🇹🇼 CHINESE TAIPEI113NT♦5+1+0
+1.0Round 6🇨🇳 CHINA223NT♠9=+2
+1.0Round 8🇳🇱 NETHERLANDS263♣♠3-1+11
+1.0Round 11🇨🇦 CANADA83NT♥7+1+0
+0.9Round 2🇭🇰 CHINA HONG KONG204♥♠7-2+7
+0.8Round 4🇫🇮 FINLAND274♥♠5-1-5
+0.8Round 16🇩🇪 GERMANY243NT♠10=+0
+0.8Round 16🇩🇪 GERMANY274♥♠A+1+0
+0.7Round 2🇭🇰 CHINA HONG KONG213NT♦3+1+0
+0.7Round 4🇫🇮 FINLAND212♠♥Q+1-10
+0.7Round 15🇫🇷 FRANCE63NT♥4+2+16
+0.7Round 15🇫🇷 FRANCE114♥♣3+1+0
+0.6Round 1🇦🇷 ARGENTINA22♠♠10-1-2
+0.6Round 1🇦🇷 ARGENTINA133NT♠2+1+12
+0.6Round 20BOTSWANA154♥♠7+1+0
+0.4Round 6🇨🇳 CHINA216♣x♦A-2+5
+0.3Round 1🇦🇷 ARGENTINA94♠♣9+1+1
+0.3Round 2🇭🇰 CHINA HONG KONG242♥♣K-1+2
+0.3Round 15🇫🇷 FRANCE44♦♥A=+10
+0.3Round 16🇩🇪 GERMANY283NT♠9+1+0
+0.3Round 18🇸🇪 SWEDEN234♠♦Q+1+0
+0.1Round 1🇦🇷 ARGENTINA34♥♣5-3-2
+0.1Round 13🇺🇸 USA 286NT♥T+1+11
+0.1Round 21🇵🇱 POLAND53♦♠Q-1+2
-0.0Round 2🇭🇰 CHINA HONG KONG161NT♦5+1+0
-0.0Round 15🇫🇷 FRANCE124♠♦Q+1+0
-0.1Round 12🇳🇴 NORWAY263NT♥6+2+13
-0.1Round 16🇩🇪 GERMANY204♥♣2+1+13
-0.2Round 12🇳🇴 NORWAY273NT♦8+1+11
-0.2Round 20BOTSWANA284♥♣3+1+0
-0.3Round 4🇫🇮 FINLAND164♥♠Q+1+0
-0.3Round 5🇹🇼 CHINESE TAIPEI93NT♥K=+1
-0.3Round 6🇨🇳 CHINA263NT♦4=+1
-0.3Round 9🇦🇺 AUSTRALIA133♦♣9-1+1
-0.4Round 15🇫🇷 FRANCE52NT♠3-1-2
-0.4Round 16🇩🇪 GERMANY166NT♥5=+0
-0.5Round 9🇦🇺 AUSTRALIA104♠♣9+3+17
-0.6Round 6🇨🇳 CHINA154♠♦A+1+0
-0.6Round 15🇫🇷 FRANCE144♠♥2+2-1
-0.6Round 18🇸🇪 SWEDEN284♠♥Q=+3
-0.6Round 20BOTSWANA223NT♠2=-1
-0.7Round 13🇺🇸 USA 2143NT♥3=+1
-0.8Round 1🇦🇷 ARGENTINA104♠♠6+1+0
-0.8Round 9🇦🇺 AUSTRALIA63♦♣A-1+0
-0.8Round 12🇳🇴 NORWAY254♥♦J=-1
-0.9Round 2🇭🇰 CHINA HONG KONG192♠♥Q+1+0
-0.9Round 18🇸🇪 SWEDEN173NT♠3+1+0
-1.0Round 9🇦🇺 AUSTRALIA44♠♥2-2-8
-1.0Round 18🇸🇪 SWEDEN194♥♦7+1-11
-1.1Round 1🇦🇷 ARGENTINA72♥♠2+2-10
-1.1Round 2🇭🇰 CHINA HONG KONG224♣♦Q-1+1
-1.1Round 5🇹🇼 CHINESE TAIPEI63NT♠7+1-1
-1.1Round 15🇫🇷 FRANCE104♠♣2=+0
-1.2Round 6🇨🇳 CHINA164♠♦2-1-9
-1.2Round 6🇨🇳 CHINA173NT♠J-2-5
-1.3Round 12🇳🇴 NORWAY175♣♠K+2-2
-1.4Round 11🇨🇦 CANADA63NT♥2-1-6
-1.5Round 18🇸🇪 SWEDEN163NT♦6+2-14
-1.7Round 11🇨🇦 CANADA122♠♣J+1+0
-1.8Round 13🇺🇸 USA 222♥♦5-1-10
-2.0Round 11🇨🇦 CANADA33NT♠4+3-2
-2.1Round 4🇫🇮 FINLAND254♠♥7-2-6
-2.2Round 18🇸🇪 SWEDEN213NT♣9=+1
-2.4Round 15🇫🇷 FRANCE84♠♦5-1-4
-2.5Round 5🇹🇼 CHINESE TAIPEI44♥♠3=-3
-2.6Round 16🇩🇪 GERMANY213♥♠A=-7
-2.7Round 2🇭🇰 CHINA HONG KONG264♥♣K-1-12
-2.7Round 4🇫🇮 FINLAND244♠♥A-1-4
-2.7Round 6🇨🇳 CHINA203NTx♦K-1+0
-2.7Round 21🇵🇱 POLAND131NT♥Q=-12
-2.8Round 2🇭🇰 CHINA HONG KONG234♥♣6+1-1
-2.8Round 6🇨🇳 CHINA283NT♦7-1-5
-3.1Round 5🇹🇼 CHINESE TAIPEI143♥♦4=-1
-3.1Round 9🇦🇺 AUSTRALIA93NT♥3-2-3
-3.3Round 16🇩🇪 GERMANY153NT♠10+1+0
-3.5Round 6🇨🇳 CHINA247♠♠9-2-11
-3.5Round 8🇳🇱 NETHERLANDS193♥♣K-2-5
-3.5Round 8🇳🇱 NETHERLANDS243NT♥J=-7
-3.6Round 13🇺🇸 USA 243NT♥4-1-6
-3.8Round 4🇫🇮 FINLAND235♦x♦A-1-8
-3.8Round 8🇳🇱 NETHERLANDS214♠♥T=-7
-3.8Round 21🇵🇱 POLAND82♠♥8-1-4
-4.0Round 18🇸🇪 SWEDEN254♥♦K+1-1
-4.5Round 16🇩🇪 GERMANY172♥♣A-1-4
-4.7Round 2🇭🇰 CHINA HONG KONG176♥♦5=+0
-4.8Round 11🇨🇦 CANADA134♠♣Q=+0
-5.1Round 13🇺🇸 USA 2127♥♥5-1-14
-5.2Round 15🇫🇷 FRANCE95♥x♣K=-5
-5.3Round 9🇦🇺 AUSTRALIA125♠♣K=-8
-5.3Round 11🇨🇦 CANADA13NT♥7-3-6
-5.4Round 20BOTSWANA164♥♣K-1-5
-5.4Round 21🇵🇱 POLAND13NTx♦9-2-5
-5.5Round 5🇹🇼 CHINESE TAIPEI103♥♦6+2-10
-5.5Round 20BOTSWANA196♣♦Q-2-11
-5.9Round 9🇦🇺 AUSTRALIA83♦♠A-1-9
-6.0Round 13🇺🇸 USA 236♣♦2=+0
-6.0Round 16🇩🇪 GERMANY253♦♥Q-2-8
-6.2Round 9🇦🇺 AUSTRALIA12NT♥5-2-11
-6.2Round 20BOTSWANA204NT♠Q+2-13
-6.4Round 12🇳🇴 NORWAY152♠♣Q-3-5
-6.5Round 9🇦🇺 AUSTRALIA36♣♥3=+2
-6.6Round 9🇦🇺 AUSTRALIA54♥x♣J=-7
-7.3Round 1🇦🇷 ARGENTINA84♠x♥K-1-9
-7.3Round 6🇨🇳 CHINA183NT♠J+3-11
-7.5Round 13🇺🇸 USA 2114♠♦4-2-6
-8.6Round 15🇫🇷 FRANCE24♠♣4=-7
-8.8Round 18🇸🇪 SWEDEN186♠♣A=+0
-10.0Round 8🇳🇱 NETHERLANDS163NT♠3+1-1
-10.0Round 12🇳🇴 NORWAY214♥♣T+3-12
-10.1Round 6🇨🇳 CHINA276NT♦7=+0
-11.1Round 20BOTSWANA213NT♦4-1-12
-11.5Round 21🇵🇱 POLAND37♣♦7-1-16
-11.7Round 5🇹🇼 CHINESE TAIPEI36♠♠6-1-20
-14.4Round 5🇹🇼 CHINESE TAIPEI76♦♥A-3-17