🇿🇦 BOSENBERG Christopher Henry · SOUTH AFRICA

43rank
+36.9Butler · 240 bds
+0.15per board
±4.2swing
+0.65vs par /bd · #17/130
+0.14adjusted /bd
Butler per round: -19.2 -0.2 -28.2 11.5 12.8 39.8 19 8.4 -11.6 -15.4 28.8 5.7 -7.1 14.1 -21.5by round

vs par split: bidding +0.52 · play +0.12

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.14/bd

Card play — on target: opening leads 80.0% #62 of 130 · declarer play 77.1% #58 of 130 · defence 88.1% #65 of 130

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (16)81.8% (44)
Declarer play83.3% (12)75.0% (36)
Defence79.3% (29)90.7% (97)

Opening leads by suit led: ♠ 85.0% (20) · ♥ 80.0% (15) · ♦ 70.6% (17) · ♣ 87.5% (8)

vs par by strain: NT +1.12 (48) · a suit +0.50 (176)

vs par by level: part-score -0.99 (85) · game +1.72 (119) · slam +1.05 (20)

By role: declaring +0.03/bd (-2.05 vs par · 104) · defending +0.25/bd (+2.71 vs par · 136)

By vulnerability: vulnerable -0.21/bd (+0.05 vs par · 120) · not vulnerable +0.52/bd (+1.24 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.EberJ.Verhees – R.Van ProoijenOpen16-19.2-1.20-3.38
Round 3N.EberS.Vaidya – A.GoelClosed16-0.2-0.01+2.69
Round 4N.EberJ.Grue – J.LallOpen16-28.2-1.76-0.38
Round 6N.EberJ.Bouveresse – P.MathieuClosed16+11.5+0.72+1.31
Round 7N.EberS.Weinstein – B.LevinOpen16+12.8+0.80+0.69
Round 9N.EberY.Zhang – K.FongClosed16+39.8+2.49+3.19
Round 10N.EberT.Gheewala – R.GhaziClosed16+19.0+1.19+1.81
Round 11N.EberJ.Stefanov – V.AronovClosed16+8.4+0.53+0.31
Round 12N.EberT.Nadim – M.HeshmatOpen16-11.6-0.72+0.62
Round 13N.EberA.Versace – L.LauriaClosed16-15.4-0.96-0.06
Round 15N.EberM.Caracci – J.RoblesOpen16+28.8+1.80+2.88
Round 16N.EberM.Cornell – A.BachOpen16+5.7+0.36-0.19
Round 18N.EberN.Edgtton – J.GosneyClosed16-7.1-0.44+0.75
Round 19N.EberA.Jorgensen – B.EinarssonClosed16+14.1+0.88+1.12
Round 21N.EberM.Shi – X.HouOpen16-21.5-1.34-1.69

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
+11.3Round 15🇨🇱 CHILE124♠♥6-1+14
+11.2Round 16🇳🇿 NEW ZEALAND177♥♠9-1+17
+11.1Round 7🇺🇸 USA 193♥x♠3-3+9
+9.9Round 12🇪🇬 EGYPT224♠♥5+1+8
+9.3Round 19🇮🇸 ICELAND54♠♠6-2+12
+8.7Round 3🇮🇳 INDIA45♣♠7+1+13
+8.3Round 3🇮🇳 INDIA65♥x♦6-4+12
+8.2Round 6🇬🇵 GUADELOUPE326♦♥A=-2
+7.9Round 4🇺🇸 USA 2283N♣5=+7
+7.8Round 10🇵🇰 PAKISTAN254♥♦3-1+12
+7.7Round 7🇺🇸 USA 1134♠♦J=+0
+7.7Round 21🇨🇳 CHINA25♦♥4=+13
+7.3Round 12🇪🇬 EGYPT194♠x♥A-3+8
+7.2Round 19🇮🇸 ICELAND74NT♣7+1+12
+7.1Round 18🇦🇺 AUSTRALIA215♥♥7=+8
+7.0Round 10🇵🇰 PAKISTAN225♦xx♦6-1+17
+6.9Round 10🇵🇰 PAKISTAN204♠♠9-1-3
+6.8Round 3🇮🇳 INDIA84♥♦Q+2+11
+6.7Round 9🇸🇬 SINGAPORE136♥♦2-1+12
+6.7Round 12🇪🇬 EGYPT266♥♦8-1+13
+6.6Round 9🇸🇬 SINGAPORE66♥♣5=+0
+6.0Round 19🇮🇸 ICELAND15♦♣K=+7
+5.9Round 1🇳🇱 NETHERLANDS166♣♥K=+3
+5.9Round 11🇧🇬 BULGARIA43♣♥A-1+6
+5.8Round 10🇵🇰 PAKISTAN175♦♣K-2+11
+5.6Round 10🇵🇰 PAKISTAN324♥♠A-3+10
+5.0Round 15🇨🇱 CHILE135♣x♥3-1+8
+4.7Round 10🇵🇰 PAKISTAN233♥♣K=+7
+4.6Round 9🇸🇬 SINGAPORE162♥♠5-4+8
+4.5Round 7🇺🇸 USA 113N♣4-1+4
+4.4Round 9🇸🇬 SINGAPORE123♠♣J-1+12
+4.4Round 16🇳🇿 NEW ZEALAND291NT♥4-2+7
+4.3Round 11🇧🇬 BULGARIA145♦x♠A-2+5
+4.3Round 19🇮🇸 ICELAND144♠♥10-2+6
+4.2Round 7🇺🇸 USA 1164♦♣7=+0
+4.0Round 1🇳🇱 NETHERLANDS96♠♦A=+0
+4.0Round 11🇧🇬 BULGARIA25♣♠9=+0
+4.0Round 15🇨🇱 CHILE54♥♦J=+3
+3.9Round 9🇸🇬 SINGAPORE13♥♦3-1+4
+3.9Round 19🇮🇸 ICELAND104♠♥A-2+8
+3.8Round 15🇨🇱 CHILE103♣♠Q-1+6
+3.8Round 16🇳🇿 NEW ZEALAND285♣♥J=+0
+3.7Round 7🇺🇸 USA 132♥♠4+1+0
+3.7Round 9🇸🇬 SINGAPORE44♦♠3-1+5
+3.4Round 6🇬🇵 GUADELOUPE314♠♥K+1+8
+3.4Round 9🇸🇬 SINGAPORE103NT♠2+3+13
+3.3Round 6🇬🇵 GUADELOUPE303♥♣K-1+6
+3.2Round 9🇸🇬 SINGAPORE113NT♥Q+2+1
+3.2Round 13🇮🇹 ITALY23♠♦K-1-2
+3.1Round 4🇺🇸 USA 2274N♦7+2+11
+3.1Round 15🇨🇱 CHILE84♦x♥Q-1+5
+3.0Round 18🇦🇺 AUSTRALIA193NT♠4-1+12
+2.8Round 1🇳🇱 NETHERLANDS113N♠5+1+1
+2.7Round 9🇸🇬 SINGAPORE83NT♦2+1-1
+2.6Round 7🇺🇸 USA 163N♥3-2+7
+2.6Round 15🇨🇱 CHILE64NT♥K+1+0
+2.4Round 6🇬🇵 GUADELOUPE242♠♣5-1-2
+2.3Round 9🇸🇬 SINGAPORE53♥♣4=+0
+2.3Round 11🇧🇬 BULGARIA15♥♠A+1-1
+2.2Round 16🇳🇿 NEW ZEALAND242♠♠2-2+5
+2.1Round 16🇳🇿 NEW ZEALAND233♠♥A=+0
+2.0Round 6🇬🇵 GUADELOUPE294♠♦5+2-9
+2.0Round 11🇧🇬 BULGARIA32♠♣6+2-8
+2.0Round 13🇮🇹 ITALY32♦♠K+2+1
+2.0Round 13🇮🇹 ITALY164♠♥10+2+1
+2.0Round 18🇦🇺 AUSTRALIA304♥♠10+2+11
+1.9Round 3🇮🇳 INDIA35♥♠4-2+6
+1.9Round 11🇧🇬 BULGARIA154♥♣Q+1+0
+1.9Round 18🇦🇺 AUSTRALIA242♥♦9=-1
+1.8Round 6🇬🇵 GUADELOUPE215♦♦2-1+5
+1.8Round 10🇵🇰 PAKISTAN192♠♥4=+0
+1.8Round 19🇮🇸 ICELAND162♥♠J+1-8
+1.6Round 11🇧🇬 BULGARIA122♥♠Q+2+1
+1.6Round 18🇦🇺 AUSTRALIA235♦♥5=+0
+1.5Round 3🇮🇳 INDIA14♠x♣10-1+0
+1.5Round 13🇮🇹 ITALY75♠♣Q=+0
+1.5Round 21🇨🇳 CHINA54♠♠2+3-10
+1.4Round 1🇳🇱 NETHERLANDS143N♦7+1+10
+1.4Round 10🇵🇰 PAKISTAN184♠♥J=+0
+1.4Round 12🇪🇬 EGYPT172♥♣K-1+4
+1.3Round 6🇬🇵 GUADELOUPE252♠♠2+2+1
+1.3Round 13🇮🇹 ITALY133NT♥K-1+12
+1.2Round 1🇳🇱 NETHERLANDS24♠♣J+1+4
+1.2Round 6🇬🇵 GUADELOUPE273NT♦Q=+11
+1.1Round 9🇸🇬 SINGAPORE73NT♠Q=+10
+1.0Round 15🇨🇱 CHILE154♥♠7+1+4
+0.9Round 6🇬🇵 GUADELOUPE283NT♥5=+0
+0.9Round 15🇨🇱 CHILE44♠♥9-1+6
+0.9Round 19🇮🇸 ICELAND61NT♠3=-1
+0.8Round 3🇮🇳 INDIA113♥♠7-2+0
+0.8Round 4🇺🇸 USA 2226♠x♥5-3-7
+0.8Round 4🇺🇸 USA 2244♠♣5+1+0
+0.8Round 18🇦🇺 AUSTRALIA282NT♠A=-10
+0.8Round 19🇮🇸 ICELAND93NT♣7=-1
+0.7Round 1🇳🇱 NETHERLANDS133N♠Q+2-13
+0.7Round 4🇺🇸 USA 2253N♣J-1+4
+0.7Round 6🇬🇵 GUADELOUPE184♥♠10+1+0
+0.7Round 11🇧🇬 BULGARIA83♠♣K+1+1
+0.7Round 19🇮🇸 ICELAND121NT♠3-1-4
+0.7Round 21🇨🇳 CHINA34♥♥6=-1
+0.6Round 7🇺🇸 USA 1146♠♣A=+0
+0.6Round 9🇸🇬 SINGAPORE33NT♦J=-1
+0.6Round 10🇵🇰 PAKISTAN273NT♠8+1+0
+0.5Round 21🇨🇳 CHINA86♠♥3=+0
+0.4Round 6🇬🇵 GUADELOUPE263NT♥J+3+13
+0.4Round 9🇸🇬 SINGAPORE153NT♦10+1+1
+0.4Round 12🇪🇬 EGYPT275♣♥A-1+5
+0.4Round 15🇨🇱 CHILE33NT♠6+1-1
+0.4Round 16🇳🇿 NEW ZEALAND305♣♣K=-11
+0.4Round 19🇮🇸 ICELAND151NT♥K+2-2
+0.3Round 1🇳🇱 NETHERLANDS71N♣2+2-10
+0.3Round 1🇳🇱 NETHERLANDS153N♠6+2+0
+0.3Round 9🇸🇬 SINGAPORE24♠♥2=+0
+0.2Round 16🇳🇿 NEW ZEALAND324♠♣J+1+0
+0.1Round 13🇮🇹 ITALY13NT♠J+1+1
-0.0Round 3🇮🇳 INDIA94♠♦6=+0
+0.0Round 6🇬🇵 GUADELOUPE194♠♣J=-1
-0.0Round 6🇬🇵 GUADELOUPE203NT♦3-2+7
+0.0Round 7🇺🇸 USA 124♠♥K-1+5
+0.0Round 12🇪🇬 EGYPT304♠♦K-1-4
-0.0Round 13🇮🇹 ITALY142NT♠4-1+4
-0.0Round 13🇮🇹 ITALY154♠♥10=+0
+0.0Round 15🇨🇱 CHILE74♥♥7=-3
-0.0Round 18🇦🇺 AUSTRALIA223♥♣9-2+1
+0.0Round 18🇦🇺 AUSTRALIA274♥♦6+3-2
+0.0Round 18🇦🇺 AUSTRALIA294♠♣4+1+0
-0.0Round 21🇨🇳 CHINA143NT♠T+2+0
-0.1Round 4🇺🇸 USA 2233♣♥K-1-1
-0.1Round 4🇺🇸 USA 2261N♦Q=-2
-0.1Round 13🇮🇹 ITALY124♠♠2+1+0
-0.1Round 15🇨🇱 CHILE114♠♥8+1+0
-0.2Round 4🇺🇸 USA 2314♠♣K=+0
-0.2Round 6🇬🇵 GUADELOUPE236♠♦K=+0
-0.2Round 15🇨🇱 CHILE14♦♠A-1-2
-0.2Round 15🇨🇱 CHILE24♥♦J-3+1
-0.3Round 4🇺🇸 USA 2293N♦2+3+12
-0.3Round 12🇪🇬 EGYPT313♥♣A-1+2
-0.4Round 10🇵🇰 PAKISTAN241NT♣Q+2+0
-0.4Round 11🇧🇬 BULGARIA112♠x♠2-1+1
-0.4Round 12🇪🇬 EGYPT322♣♥8+1+0
-0.4Round 18🇦🇺 AUSTRALIA253♦♦4-1+2
-0.4Round 21🇨🇳 CHINA163NT♠K+2+0
-0.5Round 3🇮🇳 INDIA153NT♦7=-1
-0.5Round 11🇧🇬 BULGARIA93NT♦Q+3+11
-0.5Round 21🇨🇳 CHINA91NT♣K-2-9
-0.6Round 15🇨🇱 CHILE165♦x♥2-1+7
-0.6Round 18🇦🇺 AUSTRALIA182♥♦2=+7
-0.7Round 1🇳🇱 NETHERLANDS101N♥Q-3-7
-0.7Round 3🇮🇳 INDIA123NT♠3=+0
-0.7Round 11🇧🇬 BULGARIA134♦♠A-1-5
-0.7Round 12🇪🇬 EGYPT245♣♠Q=+1
-0.7Round 16🇳🇿 NEW ZEALAND194♠♥7+1+0
-0.7Round 19🇮🇸 ICELAND133NT♠5+2+0
-0.8Round 7🇺🇸 USA 184♥♦A+1+11
-0.8Round 11🇧🇬 BULGARIA74♥♣6+2-1
-0.8Round 12🇪🇬 EGYPT294♠♦J+1+0
-0.8Round 21🇨🇳 CHINA113♣♠5-1-3
-0.9Round 15🇨🇱 CHILE91NT♥3+1-1
-0.9Round 19🇮🇸 ICELAND83♣♥A+2+6
-1.0Round 3🇮🇳 INDIA165♥x♣J-3+0
-1.0Round 7🇺🇸 USA 153♥♣K=+0
-1.0Round 12🇪🇬 EGYPT203NT♣4+1+0
-1.0Round 13🇮🇹 ITALY61♠♥10+2-1
-1.0Round 16🇳🇿 NEW ZEALAND314♥♣A=-1
-1.2Round 10🇵🇰 PAKISTAN283♥♣Q=-8
-1.2Round 13🇮🇹 ITALY113NT♠5+1-1
-1.2Round 16🇳🇿 NEW ZEALAND202♠♠7+1+10
-1.2Round 19🇮🇸 ICELAND34♠♥5+2+11
-1.3Round 15🇨🇱 CHILE143♠♦9=-1
-1.3Round 16🇳🇿 NEW ZEALAND274♥♠J-2-6
-1.3Round 18🇦🇺 AUSTRALIA204♠♦5+1+0
-1.4Round 7🇺🇸 USA 1112♠♦9-1+2
-1.5Round 3🇮🇳 INDIA56NT♦10+1+13
-1.5Round 11🇧🇬 BULGARIA103♠♥A=+0
-1.6Round 9🇸🇬 SINGAPORE143♥♦10=+0
-1.7Round 21🇨🇳 CHINA123NT♦A-1+2
-1.8Round 10🇵🇰 PAKISTAN293NT♦7=+1
-1.9Round 10🇵🇰 PAKISTAN302♦♦7+2-5
-2.0Round 3🇮🇳 INDIA23♦♥K-1+2
-2.0Round 3🇮🇳 INDIA141NT♠J+2-1
-2.1Round 11🇧🇬 BULGARIA64♠♦Q=-7
-2.1Round 16🇳🇿 NEW ZEALAND183♣♣K-1+5
-2.2Round 7🇺🇸 USA 1122NT♠5=+0
-2.2Round 11🇧🇬 BULGARIA51NT♥2+1+0
-2.3Round 4🇺🇸 USA 2173N♥4+3+11
-2.3Round 16🇳🇿 NEW ZEALAND251NT♦2=-5
-2.3Round 21🇨🇳 CHINA62♠♣5=+0
-2.3Round 21🇨🇳 CHINA133♣♦9+1+0
-2.4Round 12🇪🇬 EGYPT184♥♦K+1+0
-2.4Round 21🇨🇳 CHINA153♠♣A-1+2
-2.5Round 4🇺🇸 USA 2204♥♦4=+1
-2.5Round 9🇸🇬 SINGAPORE94♠♦J-2-13
-2.5Round 21🇨🇳 CHINA44♥♠Q+1-4
-2.6Round 4🇺🇸 USA 2183♠♦7=-7
-2.7Round 1🇳🇱 NETHERLANDS122♠♥2-1-5
-2.7Round 13🇮🇹 ITALY42♠♠5=-1
-2.8Round 6🇬🇵 GUADELOUPE173NT♣7-1-5
-2.8Round 12🇪🇬 EGYPT235♠♣A-1+3
-3.0Round 1🇳🇱 NETHERLANDS85♣♦7+1+11
-3.0Round 16🇳🇿 NEW ZEALAND223NT♠K=-13
-3.1Round 13🇮🇹 ITALY86♥♠3=+0
-3.1Round 16🇳🇿 NEW ZEALAND213♠♦5=-11
-3.3Round 7🇺🇸 USA 1104♥♦6=+0
-3.4Round 7🇺🇸 USA 144♥♦2-1-12
-3.5Round 1🇳🇱 NETHERLANDS13♥♣Q=-7
-3.5Round 1🇳🇱 NETHERLANDS65♥♦2-1-8
-3.5Round 3🇮🇳 INDIA132♥♣K=+1
-3.6Round 19🇮🇸 ICELAND43♦♥4=-10
-3.7Round 7🇺🇸 USA 174♠♥6-1-3
-3.7Round 21🇨🇳 CHINA73♠♥Q=+0
-3.8Round 4🇺🇸 USA 2304♠♥A+1-1
-3.9Round 13🇮🇹 ITALY56♠x♥A-5+7
-3.9Round 16🇳🇿 NEW ZEALAND266♠♠2=+0
-4.0Round 18🇦🇺 AUSTRALIA172♠♥2=-5
-4.2Round 18🇦🇺 AUSTRALIA316NT♦Q=+0
-5.1Round 4🇺🇸 USA 2213♠x♥4-2-5
-5.3Round 10🇵🇰 PAKISTAN215♦x♠5=-4
-5.8Round 7🇺🇸 USA 1154♠x♣Q-1-12
-5.8Round 10🇵🇰 PAKISTAN313♥♠Q+1-10
-5.8Round 19🇮🇸 ICELAND116♠♥K+1-11
-5.9Round 18🇦🇺 AUSTRALIA262NT♣A+1-10
-6.1Round 11🇧🇬 BULGARIA166♦♣2=+2
-6.2Round 1🇳🇱 NETHERLANDS33N♦5=-10
-6.2Round 10🇵🇰 PAKISTAN263NT♦6=+1
-6.6Round 21🇨🇳 CHINA14♠♥T=-7
-6.7Round 13🇮🇹 ITALY102♥♥2-1-12
-6.8Round 13🇮🇹 ITALY96♣x♥2-2-10
-7.0Round 3🇮🇳 INDIA103♠♦3-2-2
-7.1Round 18🇦🇺 AUSTRALIA323♠♥3=-1
-7.2Round 1🇳🇱 NETHERLANDS52♠♦Q=-11
-8.5Round 12🇪🇬 EGYPT214♥♣A+1-8
-8.7Round 21🇨🇳 CHINA105♣♠4=-10
-9.0Round 1🇳🇱 NETHERLANDS43N♠4+3-12
-9.0Round 19🇮🇸 ICELAND23♥♦K+1-7
-10.0Round 3🇮🇳 INDIA72♦♠7-4-11
-10.1Round 12🇪🇬 EGYPT284♥♦7-2-11
-10.3Round 12🇪🇬 EGYPT251NT♠Q-2-11
-11.0Round 4🇺🇸 USA 2324♠♥9-2-13
-11.1Round 6🇬🇵 GUADELOUPE223♦x♣7=-11
-13.5Round 4🇺🇸 USA 2196♣x♠A-1-16