🇿🇦 BOSENBERG Christopher Henry · SOUTH AFRICA

86rank
-159.8Butler · 256 bds
-0.62per board
±4.7swing
-0.84vs par /bd · #91/101
-0.59adjusted /bd
Butler per round: -55.6 -10.4 -17.2 10.4 1.3 -35.6 -1.1 -8.8 4.6 -1.2 -15.4 -10.4 -29.9 -26.3 25.5 10.3by round

vs par split: bidding -0.47 · play -0.36

Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.59/bd

Card play — on target: opening leads 75.4% #84 of 101 · declarer play 76.5% #38 of 101 · defence 87.5% #48 of 101

Card play by contract type — on target
vs NTvs a suit
Opening leads53.3% (15)82.0% (50)
Declarer play75.0% (20)77.4% (31)
Defence82.8% (29)89.0% (91)

Opening leads by suit led: ♠ 61.5% (13) · ♥ 84.2% (19) · ♦ 65.0% (20) · ♣ 92.3% (13)

vs par by strain: NT -1.56 (64) · a suit -0.59 (191)

vs par by level: part-score -0.23 (89) · game -1.14 (141) · slam -1.28 (25)

By role: declaring -0.66/bd (-2.93 vs par · 135) · defending -0.58/bd (+1.49 vs par · 121)

By vulnerability: vulnerable -0.34/bd (-1.45 vs par · 128) · not vulnerable -0.90/bd (-0.23 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.EberM.Di Franco – A.MannoOpen16-55.6-3.48-3.12
Round 2N.EberM.Gromoeller – J.FritscheClosed16-10.4-0.65-0.88
Round 3N.EberJ.Aava – V.KurigOpen16-17.2-1.07-1.12
Round 4N.EberS.Barakat – M.GhanemOpen16+10.4+0.65+0.88
Round 5N.EberY.Tham – Y.OngOpen16+1.3+0.08-1.56
Round 6N.EberP.Gill – A.PeakeOpen16-35.6-2.23-4.38
Round 7N.EberI.Semenov – V.KholomeevOpen16-1.1-0.07+0.31
Round 8N.EberJ.Tamminen – V.LeskelaClosed16-8.8-0.55-1.69
Round 10N.EberF.Manalang – S.ManalangClosed16+4.6+0.29-0.19
Round 11N.EberV.Dragan – V.PorkhunOpen16-1.2-0.07+0.00
Round 12N.EberA.Birman – D.PadonClosed16-15.4-0.96-3.31
Round 13N.EberC.Lorenzini – J.QuantinOpen16-10.4-0.65+2.56
Round 14N.EberM.Liu – S.WangClosed16-29.9-1.87-1.94
Round 15R.StephensM.Eidi – V.VroustisOpen16-26.3-1.64-1.69
Round 16N.EberR.Tewari – J.ShivdasaniClosed16+25.5+1.59+2.12
Round 17N.EberT.Boga – E.La RovereClosed16+10.3+0.64+0.56

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 16🇮🇳 INDIA305♥♠A=+13
+12.9Round 5🇸🇬 SINGAPORE136♣♣7-1+13
+11.2Round 10🇵🇭 PHILIPPINES236♠♥A-1+15
+10.8Round 4🇯🇴 JORDAN216♥♠Q-3+11
+9.9Round 2🇩🇪 GERMANY253NT♥Q+2-12
+9.9Round 17🇧🇷 BRAZIL133NT♣6=+10
+9.6Round 10🇵🇭 PHILIPPINES242♠x♣10-3+8
+9.2Round 12🇮🇱 ISRAEL234♥♠2=+10
+9.1Round 3🇪🇪 ESTONIA43♣x♣2-2+8
+9.0Round 17🇧🇷 BRAZIL26♠♣J-1+17
+8.5Round 4🇯🇴 JORDAN204♥♦9-1+12
+8.4Round 15🇬🇷 GREECE74♥♣A=+9
+7.9Round 8🇫🇮 FINLAND304♥♦Q=+7
+7.5Round 7🇷🇺 RUSSIA84♠x♣6=+10
+7.2Round 10🇵🇭 PHILIPPINES213♠♦Q+2+10
+7.0Round 8🇫🇮 FINLAND253NT♦4=+6
+6.8Round 11🇺🇦 UKRAINE153♣♥A+2+10
+6.5Round 6🇦🇺 AUSTRALIA244♠♥J=-9
+6.4Round 16🇮🇳 INDIA263NT♦9-1+12
+5.9Round 12🇮🇱 ISRAEL204♥x♥9-1+2
+5.5Round 4🇯🇴 JORDAN242♣x♦Q-3+8
+5.4Round 2🇩🇪 GERMANY232♠♥7+2+10
+5.4Round 16🇮🇳 INDIA204♦♠A=+0
+5.4Round 16🇮🇳 INDIA313NT♦6=+6
+5.2Round 10🇵🇭 PHILIPPINES323NT♣Q-1+5
+5.2Round 13🇫🇷 FRANCE44♥♠K-2+3
+5.0Round 5🇸🇬 SINGAPORE13♦x♠3-2-3
+5.0Round 11🇺🇦 UKRAINE35♥x♠7-2-5
+4.8Round 8🇫🇮 FINLAND284♠♥8+1+11
+4.8Round 10🇵🇭 PHILIPPINES284♣♦10-2+8
+4.4Round 17🇧🇷 BRAZIL43NT♣5+2-13
+4.2Round 10🇵🇭 PHILIPPINES315♣♥K=+0
+4.1Round 8🇫🇮 FINLAND232♠♣6=+6
+3.9Round 13🇫🇷 FRANCE103NT♣K=-1
+3.8Round 8🇫🇮 FINLAND295♦♥5=+3
+3.8Round 16🇮🇳 INDIA224♣♦7-2+6
+3.7Round 11🇺🇦 UKRAINE63NT♣10=-1
+3.3Round 7🇷🇺 RUSSIA142♥♦A=+6
+3.2Round 7🇷🇺 RUSSIA116NT♠Q=+0
+3.2Round 8🇫🇮 FINLAND213NT♦10=+0
+3.1Round 7🇷🇺 RUSSIA72♣x♦K=+1
+3.1Round 14🇹🇼 CHINESE TAIPEI225♠♣6=+11
+3.0Round 6🇦🇺 AUSTRALIA203♠♦A=+7
+3.0Round 7🇷🇺 RUSSIA137♦♥K=-2
+2.8Round 6🇦🇺 AUSTRALIA323NT♦10+2+0
+2.6Round 6🇦🇺 AUSTRALIA273NT♦10-3+0
+2.6Round 12🇮🇱 ISRAEL184♥♠5+1+0
+2.5Round 15🇬🇷 GREECE55♠♣K+1+3
+2.4Round 11🇺🇦 UKRAINE14♥♣9-2+11
+2.4Round 17🇧🇷 BRAZIL104♠♥A+1+1
+2.1Round 4🇯🇴 JORDAN254♥♣2-1+0
+2.1Round 5🇸🇬 SINGAPORE33NT♠7+2+1
+2.1Round 7🇷🇺 RUSSIA152♠x♥10-1+5
+2.1Round 15🇬🇷 GREECE144♥♣A-2+5
+1.9Round 2🇩🇪 GERMANY313♥♦K=+0
+1.9Round 3🇪🇪 ESTONIA33♦♣4-3+0
+1.9Round 5🇸🇬 SINGAPORE104♥♠A+1+0
+1.9Round 12🇮🇱 ISRAEL265♣♠3-1-6
+1.8Round 4🇯🇴 JORDAN194♠♦A-1+5
+1.8Round 4🇯🇴 JORDAN264♠♠8+2+1
+1.8Round 14🇹🇼 CHINESE TAIPEI301NT♥3-1+4
+1.8Round 17🇧🇷 BRAZIL51♠♥A+1-1
+1.7Round 3🇪🇪 ESTONIA155♦♠5-2+5
+1.6Round 1🇮🇹 ITALY103♥♣8+1+1
+1.6Round 13🇫🇷 FRANCE162♥♣A-1+5
+1.6Round 16🇮🇳 INDIA192♠♣Q-2+0
+1.5Round 3🇪🇪 ESTONIA166♥♦8=+0
+1.5Round 11🇺🇦 UKRAINE142♠♦5+1-6
+1.4Round 17🇧🇷 BRAZIL151NT♥2+1-10
+1.2Round 5🇸🇬 SINGAPORE143NT♥3+2-11
+1.2Round 8🇫🇮 FINLAND184♥♦Q+1-4
+1.2Round 12🇮🇱 ISRAEL274♥♦5=+0
+1.2Round 12🇮🇱 ISRAEL294♠♦Q+1-13
+1.2Round 14🇹🇼 CHINESE TAIPEI174♥♥7=+0
+1.2Round 14🇹🇼 CHINESE TAIPEI203NT♠Q=+0
+1.1Round 1🇮🇹 ITALY112NT♦3=+7
+1.1Round 4🇯🇴 JORDAN284♠♦10+1+0
+1.1Round 5🇸🇬 SINGAPORE73NT♦7+4-12
+1.1Round 10🇵🇭 PHILIPPINES253NT♥4=+0
+1.1Round 12🇮🇱 ISRAEL304♠♦3+2+14
+1.1Round 15🇬🇷 GREECE135♣♦10=-1
+1.0Round 8🇫🇮 FINLAND312♠♣K-2-1
+0.9Round 3🇪🇪 ESTONIA121NT♥4+1-7
+0.9Round 4🇯🇴 JORDAN314♠♣K=-1
+0.9Round 8🇫🇮 FINLAND224♥♦5+1+1
+0.9Round 13🇫🇷 FRANCE144♣♣A-1+6
+0.9Round 14🇹🇼 CHINESE TAIPEI252♠♦2=+0
+0.9Round 15🇬🇷 GREECE121NT♥8+1+0
+0.9Round 16🇮🇳 INDIA173NT♣J-2+5
+0.9Round 16🇮🇳 INDIA292♣♠7+1+0
+0.9Round 17🇧🇷 BRAZIL162♦♠Q+1+0
+0.8Round 10🇵🇭 PHILIPPINES183♠♣A-1+2
+0.8Round 10🇵🇭 PHILIPPINES203NT♠Q+1+1
+0.7Round 17🇧🇷 BRAZIL31NT♥J+1+11
+0.6Round 6🇦🇺 AUSTRALIA304♥♠4+1+0
+0.6Round 11🇺🇦 UKRAINE131NT♦K+2+10
+0.6Round 13🇫🇷 FRANCE93♥♦2=-1
+0.5Round 1🇮🇹 ITALY83♣♣4=+0
+0.5Round 2🇩🇪 GERMANY224♠♥6-1+10
+0.5Round 6🇦🇺 AUSTRALIA254♥♥2=+1
+0.5Round 7🇷🇺 RUSSIA104♠♦A=+1
+0.4Round 2🇩🇪 GERMANY322♥♠K=+0
+0.4Round 13🇫🇷 FRANCE114♠♥K+1+0
+0.4Round 16🇮🇳 INDIA232NT♦5+1+1
+0.3Round 6🇦🇺 AUSTRALIA212NT♠4-1+1
+0.3Round 12🇮🇱 ISRAEL241NT♦3+1+0
+0.2Round 3🇪🇪 ESTONIA54♠♥10=-8
+0.2Round 4🇯🇴 JORDAN174♠♣A-1+2
+0.2Round 5🇸🇬 SINGAPORE24♥♦J+1+0
+0.2Round 13🇫🇷 FRANCE134♠♣A+1+12
+0.1Round 5🇸🇬 SINGAPORE82♣♥A=+0
+0.1Round 6🇦🇺 AUSTRALIA234♦♥K=-10
+0.1Round 7🇷🇺 RUSSIA33NT♣6+1-1
+0.1Round 15🇬🇷 GREECE64♠♥7+2-13
+0.1Round 15🇬🇷 GREECE92♠♦10-2-2
-0.0Round 5🇸🇬 SINGAPORE114♠♣8=+0
-0.0Round 11🇺🇦 UKRAINE24♠♣10+1+0
-0.0Round 14🇹🇼 CHINESE TAIPEI184♠♦A=+0
-0.0Round 14🇹🇼 CHINESE TAIPEI235♥♦Q=+0
-0.1Round 1🇮🇹 ITALY93♠♦Q-3+1
-0.1Round 2🇩🇪 GERMANY264♥♣6+2+13
-0.1Round 13🇫🇷 FRANCE74♠♣2+1+0
-0.2Round 11🇺🇦 UKRAINE74♥♠7=+0
-0.3Round 8🇫🇮 FINLAND203NT♦7+1-1
-0.3Round 12🇮🇱 ISRAEL224♦♥2+1-8
-0.3Round 17🇧🇷 BRAZIL84♠♥K+1+0
-0.4Round 2🇩🇪 GERMANY273♠♥3+2-6
-0.4Round 3🇪🇪 ESTONIA101NT♦3-1+0
-0.4Round 4🇯🇴 JORDAN324♠♦2+1+0
-0.4Round 8🇫🇮 FINLAND192♥♠3-2+1
-0.4Round 11🇺🇦 UKRAINE93♦♣2=+1
-0.4Round 14🇹🇼 CHINESE TAIPEI314♠♦A=-8
-0.4Round 17🇧🇷 BRAZIL14♠♣10=-1
-0.5Round 1🇮🇹 ITALY14♥♠6+2+11
-0.5Round 15🇬🇷 GREECE85♦♥9+1+0
-0.5Round 16🇮🇳 INDIA253NT♦3=+1
-0.6Round 1🇮🇹 ITALY123NT♠5+3-1
-0.6Round 4🇯🇴 JORDAN292♦♥Q+1-1
-0.6Round 11🇺🇦 UKRAINE115♦x♣K-1-5
-0.6Round 13🇫🇷 FRANCE34♠♥J-2+0
-0.6Round 15🇬🇷 GREECE42NT♠5=+0
-0.6Round 16🇮🇳 INDIA282♠♥J+1+0
-0.7Round 16🇮🇳 INDIA243♣♥6+1+7
-0.9Round 2🇩🇪 GERMANY213♥♠4=+6
-0.9Round 5🇸🇬 SINGAPORE64♠♦5+1+0
-0.9Round 13🇫🇷 FRANCE154♠♥Q+2+13
-1.0Round 1🇮🇹 ITALY154♥♠10-2-5
-1.0Round 3🇪🇪 ESTONIA94♥♦A+1+0
-1.1Round 2🇩🇪 GERMANY244♠♣8-1+2
-1.2Round 2🇩🇪 GERMANY284♥♦A=+0
-1.2Round 5🇸🇬 SINGAPORE43NT♠3-2-3
-1.2Round 5🇸🇬 SINGAPORE53NT♠4-1-5
-1.2Round 5🇸🇬 SINGAPORE161NT♠4-2+5
-1.2Round 7🇷🇺 RUSSIA22♠♦A=-5
-1.2Round 7🇷🇺 RUSSIA56♠♥3=+0
-1.2Round 12🇮🇱 ISRAEL283♥♦10-3-2
-1.3Round 6🇦🇺 AUSTRALIA284♦♣4=+0
-1.3Round 11🇺🇦 UKRAINE81NT♥2+1+7
-1.4Round 13🇫🇷 FRANCE53NT♠J+3+13
-1.5Round 1🇮🇹 ITALY162NT♠3=-6
-1.5Round 7🇷🇺 RUSSIA13NT♥6+1+0
-1.5Round 16🇮🇳 INDIA213♦♠K+1+0
-1.6Round 13🇫🇷 FRANCE24♠♥2=+1
-1.6Round 15🇬🇷 GREECE153♠♣K=+0
-1.6Round 17🇧🇷 BRAZIL142♠♦6=+8
-1.7Round 1🇮🇹 ITALY143NT♦J=+1
-1.8Round 17🇧🇷 BRAZIL95♥x♠4-1+5
-1.9Round 14🇹🇼 CHINESE TAIPEI274♥x♦A-4+3
-1.9Round 14🇹🇼 CHINESE TAIPEI282♠♣K+1-7
-2.0Round 7🇷🇺 RUSSIA42♠♥K=+0
-2.1Round 3🇪🇪 ESTONIA144♣♠9=+5
-2.1Round 11🇺🇦 UKRAINE51NT♣10=+2
-2.1Round 11🇺🇦 UKRAINE103♠♣J-2-7
-2.1Round 12🇮🇱 ISRAEL252♣♥5+1+0
-2.1Round 16🇮🇳 INDIA324♥♥3=+0
-2.2Round 2🇩🇪 GERMANY203NT♠Q+3-11
-2.2Round 3🇪🇪 ESTONIA63NT♠5+1-1
-2.2Round 4🇯🇴 JORDAN182♥♦K+3-9
-2.3Round 3🇪🇪 ESTONIA11Pass-3
-2.4Round 16🇮🇳 INDIA183♥♠K=-6
-2.5Round 1🇮🇹 ITALY53♣♣7+1+0
-2.6Round 2🇩🇪 GERMANY303NTx♠8=-4
-2.6Round 3🇪🇪 ESTONIA21NTx♣J=-8
-2.6Round 7🇷🇺 RUSSIA167NT♥9=+0
-2.6Round 10🇵🇭 PHILIPPINES302♠♠2+1+0
-2.6Round 12🇮🇱 ISRAEL176♥x♠A-1-9
-2.6Round 14🇹🇼 CHINESE TAIPEI243NT♦8+1-1
-2.6Round 15🇬🇷 GREECE14♠♥J+1-1
-2.7Round 11🇺🇦 UKRAINE124♥♦4+1+0
-2.8Round 17🇧🇷 BRAZIL124♠♣7+1-1
-2.9Round 6🇦🇺 AUSTRALIA263NT♠Q-3-14
-3.0Round 4🇯🇴 JORDAN302♠♠3=-5
-3.1Round 13🇫🇷 FRANCE86♣♦8+1-4
-3.2Round 10🇵🇭 PHILIPPINES194♠♦4+3-12
-3.4Round 3🇪🇪 ESTONIA14♠♣K-1-4
-3.4Round 13🇫🇷 FRANCE124♠♥5-2-5
-3.5Round 10🇵🇭 PHILIPPINES264♠♥J=+0
-3.6Round 4🇯🇴 JORDAN234♠♥A+1-4
-3.6Round 6🇦🇺 AUSTRALIA294♠♥5+2-13
-3.6Round 7🇷🇺 RUSSIA64♥♠3=+0
-3.6Round 17🇧🇷 BRAZIL116♥♣A-2-5
-3.7Round 14🇹🇼 CHINESE TAIPEI213♠♣9-1-5
-3.8Round 4🇯🇴 JORDAN274♠x♦10-1-5
-3.9Round 8🇫🇮 FINLAND243♦♠Q+1-7
-4.0Round 2🇩🇪 GERMANY176♠♥Q=+0
-4.1Round 5🇸🇬 SINGAPORE157♥♠7=+0
-4.1Round 6🇦🇺 AUSTRALIA316♥♦10+1+6
-4.3Round 3🇪🇪 ESTONIA73NT♥10=+0
-4.3Round 17🇧🇷 BRAZIL62♥x♦A-1+0
-4.4Round 2🇩🇪 GERMANY184♥♦5=-3
-4.4Round 14🇹🇼 CHINESE TAIPEI291NT♦3-2-3
-4.5Round 12🇮🇱 ISRAEL314♥x♠7-2-9
-4.8Round 10🇵🇭 PHILIPPINES294♠♦K-1-12
-4.9Round 1🇮🇹 ITALY33NT♦J-2-13
-5.1Round 2🇩🇪 GERMANY193NT♠2-1-12
-5.1Round 7🇷🇺 RUSSIA126♠♥3=+0
-5.2Round 1🇮🇹 ITALY134♥x♠A-2+3
-5.2Round 15🇬🇷 GREECE23NT♠4+1-1
-5.4Round 3🇪🇪 ESTONIA83NT♠4=+1
-5.4Round 17🇧🇷 BRAZIL73NT♥3+3-12
-5.5Round 14🇹🇼 CHINESE TAIPEI264♠♥2=-10
-5.6Round 10🇵🇭 PHILIPPINES173♥♦A-1-8
-5.6Round 14🇹🇼 CHINESE TAIPEI193♠x♣A-1-2
-5.6Round 16🇮🇳 INDIA272♠♦10-2-11
-5.8Round 5🇸🇬 SINGAPORE123♥♠5-1-10
-5.8Round 10🇵🇭 PHILIPPINES273NT♥8=-3
-5.8Round 11🇺🇦 UKRAINE41NT♦Q+2-10
-6.0Round 11🇺🇦 UKRAINE164♠♦A=-7
-6.0Round 13🇫🇷 FRANCE62♠♥K-1-11
-6.1Round 13🇫🇷 FRANCE16♠♠10=+10
-6.5Round 2🇩🇪 GERMANY293♥♠7-2-7
-6.5Round 6🇦🇺 AUSTRALIA196♦♠4=+0
-6.5Round 15🇬🇷 GREECE113NT♦2-1-10
-6.7Round 7🇷🇺 RUSSIA95♣x♥5-2-10
-6.8Round 15🇬🇷 GREECE163♦♦A+1-6
-7.2Round 1🇮🇹 ITALY45♥♦8-1-12
-7.4Round 8🇫🇮 FINLAND323NT♠2-1-11
-7.8Round 1🇮🇹 ITALY24♠x♣A-5-10
-8.0Round 12🇮🇱 ISRAEL214♥♠3=-11
-8.2Round 15🇬🇷 GREECE104♥♣A=-10
-8.5Round 6🇦🇺 AUSTRALIA226♣♥10-1-12
-8.7Round 4🇯🇴 JORDAN226♠x♦A-4+0
-8.8Round 3🇪🇪 ESTONIA134♠♦K-1-6
-8.8Round 5🇸🇬 SINGAPORE94♠♦4=+0
-9.5Round 15🇬🇷 GREECE34♥♣2=+0
-9.6Round 8🇫🇮 FINLAND277♦x♠6-1-14
-9.8Round 8🇫🇮 FINLAND264♥♦3-1-13
-9.9Round 12🇮🇱 ISRAEL194♠♥K-2-9
-10.2Round 12🇮🇱 ISRAEL323NT♠2-1-12
-10.9Round 6🇦🇺 AUSTRALIA185♠♥2+1-11
-11.3Round 8🇫🇮 FINLAND176♥♦Q-1-11
-11.4Round 1🇮🇹 ITALY67♠♥3-3-14
-12.1Round 14🇹🇼 CHINESE TAIPEI324♠♦3-1-13
-14.2Round 6🇦🇺 AUSTRALIA176♣♥Q+1-16
-14.4Round 1🇮🇹 ITALY73♦x♠K-5-13
-14.8Round 10🇵🇭 PHILIPPINES226♠♠8-1-17