🇿🇦 BOSENBERG Christopher Henry · SOUTH AFRICA

25rank
+73.9Butler · 192 bds
+0.38per board
±4.5swing
+0.48vs par /bd · #25/84
+0.21adjusted /bd
Butler per round: 29.1 15.5 36.1 19.4 24 29 -16 -6.8 -24.8 -25.1 8.2 -14.7by round

vs par split: bidding +0.48 · play -0.09

Strength of schedule: opponents averaged -0.17/bd (an easy draw) → opponent-adjusted +0.21/bd

Card play — on target: opening leads 87.9% #8 of 84 · declarer play 83.0% #8 of 84 · defence 84.3% #45 of 84

Card play by contract type — on target
vs NTvs a suit
Opening leads86.7% (15)88.4% (43)
Declarer play80.0% (15)84.4% (32)
Defence71.4% (28)89.2% (74)

Opening leads by suit led: ♠ 80.0% (15) · ♥ 95.0% (20) · ♦ 84.6% (13) · ♣ 90.0% (10)

vs par by strain: NT -0.36 (52) · a suit +0.79 (140)

vs par by level: part-score +1.51 (75) · game -0.35 (111) · slam +3.00 (6)

By role: declaring +0.06/bd (-2.04 vs par · 89) · defending +0.67/bd (+2.66 vs par · 103)

By vulnerability: vulnerable +1.17/bd (+0.73 vs par · 96) · not vulnerable -0.40/bd (+0.23 vs par · 96)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.EberI.Coldea – B.MarinaOpen16+29.1+1.82+0.12
Round 2N.EberJ.Tomcani – M.KemenovaOpen16+15.5+0.97+2.62
Round 3N.EberR.Shah – M.ShahClosed16+36.1+2.26+2.31
Round 4N.EberJ.Bussell – M.WayOpen16+19.4+1.21+0.88
Round 5N.EberN.L'Ecuyer – V.DemuyClosed16+24.0+1.50+0.88
Round 7N.EberJ.Nakamaru-Pinder – J.HayOpen16+29.0+1.81+1.88
Round 8N.EberJ.Hayet – S.DahanClosed16-16.0-1.00+0.06
Round 10N.EberE.Lim – Y.OngOpen16-6.8-0.42-0.12
Round 11N.EberL.Palazzo – W.FornasariOpen16-24.8-1.55-2.19
Round 12N.EberA.Sementa – G.DuboinOpen16-25.1-1.57-0.94
Round 13N.EberJ.Gillette – A.FitzpatrickClosed16+8.2+0.51-1.06
Round 14N.EberA.Gromov – A.DubininOpen16-14.7-0.92+1.31

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
+13.6Round 3🇰🇪 KENYA102♣x♥9-3+5
+13.4Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND62♠x♥K+1+12
+10.8Round 1🇷🇴 ROMANIA75♥x♦10+1+11
+9.6Round 1🇷🇴 ROMANIA15♦♥3-2+14
+9.3Round 5🇨🇦 CANADA93NTx♠6-3+14
+9.2Round 12🇮🇹 ITALY234♥♥5-1+12
+9.1Round 4🇧🇲 BERMUDA256♥♣3-1+14
+9.1Round 8🇲🇦 MOROCCO212♦x♠10-2+12
+8.3Round 3🇰🇪 KENYA154♥♠K=+7
+8.1Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND102♠♦2+3+10
+7.6Round 11🇦🇷 ARGENTINA65♣♥A+1+7
+7.5Round 4🇧🇲 BERMUDA262♦♥J+3+0
+7.5Round 10🇸🇬 SINGAPORE284♥♠5=+7
+7.1Round 13🇹🇹 TRINIDAD TBGO114♣x♠5-2+9
+6.9Round 10🇸🇬 SINGAPORE294♠♦A=+10
+6.8Round 13🇹🇹 TRINIDAD TBGO133NT♣4+2+1
+6.7Round 1🇷🇴 ROMANIA44♠♥K-4+7
+6.1Round 1🇷🇴 ROMANIA33NT♥J+3+14
+6.1Round 5🇨🇦 CANADA102♦x♣J-3+4
+6.0Round 2🇸🇰 SLOVAKIA293♦♣A-1+12
+6.0Round 14🇷🇺 RUSSIA174♠♥J-2+6
+5.8Round 2🇸🇰 SLOVAKIA262♥♦10-2+8
+5.7Round 12🇮🇹 ITALY324♠♣K+1+0
+5.6Round 2🇸🇰 SLOVAKIA223♥♦K+1+7
+5.6Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND35♣♠2=+3
+5.6Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND122♠♥Q+1+10
+5.4Round 2🇸🇰 SLOVAKIA193NT♣9+3+2
+5.3Round 10🇸🇬 SINGAPORE234♥♦4-1+11
+5.1Round 10🇸🇬 SINGAPORE203♥♦A+1+8
+5.0Round 3🇰🇪 KENYA64♠x♣A-2+10
+4.8Round 1🇷🇴 ROMANIA22NT♦5-1+6
+4.8Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND132♠♥Q-2+3
+4.7Round 8🇲🇦 MOROCCO234♥♦A-1+6
+4.5Round 3🇰🇪 KENYA13♣♠10-2+0
+4.5Round 12🇮🇹 ITALY174♠♦T-1+10
+4.3Round 11🇦🇷 ARGENTINA15♣x♥A=+3
+4.2Round 3🇰🇪 KENYA24♥♣K-2+7
+4.2Round 4🇧🇲 BERMUDA305♦♣J-1+10
+4.0Round 13🇹🇹 TRINIDAD TBGO92NT♥4-1+10
+3.9Round 14🇷🇺 RUSSIA253NT♠Q+1+8
+3.8Round 2🇸🇰 SLOVAKIA242♥♠K=+5
+3.8Round 13🇹🇹 TRINIDAD TBGO83♦♠Q=+1
+3.7Round 5🇨🇦 CANADA32♠♣10=+0
+3.5Round 2🇸🇰 SLOVAKIA203♣♥8=+0
+3.5Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND93NT♠6-3+11
+3.3Round 3🇰🇪 KENYA34♣♥A=+0
+3.3Round 4🇧🇲 BERMUDA223♦♥A-3+2
+3.2Round 5🇨🇦 CANADA134♠♦2-1+6
+3.2Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND44♠=+3
+3.2Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND165♣♠Q+1-13
+3.1Round 14🇷🇺 RUSSIA263NT♥7=-1
+3.0Round 12🇮🇹 ITALY264♠♠3+1+0
+2.8Round 2🇸🇰 SLOVAKIA234♠♥K+1+13
+2.8Round 8🇲🇦 MOROCCO305♥♠3-1+8
+2.8Round 14🇷🇺 RUSSIA203♣♠4=+0
+2.7Round 1🇷🇴 ROMANIA103♥♣3-1+0
+2.7Round 1🇷🇴 ROMANIA141NT♥7-1+3
+2.7Round 11🇦🇷 ARGENTINA113NT♥9-2+6
+2.7Round 13🇹🇹 TRINIDAD TBGO31NT♠4-1-2
+2.7Round 13🇹🇹 TRINIDAD TBGO43NT♦Q+1-10
+2.4Round 3🇰🇪 KENYA85♣♠4-1+5
+2.4Round 13🇹🇹 TRINIDAD TBGO13♥♦K-1-2
+2.2Round 3🇰🇪 KENYA163♦♥4-1+4
+2.2Round 5🇨🇦 CANADA154♠♣A+1+0
+2.0Round 5🇨🇦 CANADA63♥♦5-1-2
+1.9Round 4🇧🇲 BERMUDA213♠♥10=+0
+1.9Round 4🇧🇲 BERMUDA281♠♠J+4+2
+1.8Round 2🇸🇰 SLOVAKIA182♥♦5+1+0
+1.8Round 5🇨🇦 CANADA161NT♣K=+0
+1.5Round 1🇷🇴 ROMANIA133♠♥6-2-7
+1.5Round 3🇰🇪 KENYA113♠♦5-1+5
+1.2Round 3🇰🇪 KENYA43♦♠6=+1
+1.0Round 4🇧🇲 BERMUDA204♥♠K+1+0
+1.0Round 8🇲🇦 MOROCCO192NT♠7+1+6
+0.9Round 5🇨🇦 CANADA123NT♠A+3+2
+0.9Round 8🇲🇦 MOROCCO292♠♦5=+11
+0.8Round 1🇷🇴 ROMANIA124♠♣A+1+0
+0.7Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND52♦♥5-2+1
+0.5Round 2🇸🇰 SLOVAKIA284♥♠5+1-14
+0.5Round 3🇰🇪 KENYA134♥♦J-2-8
+0.5Round 5🇨🇦 CANADA114♠♦K=-11
+0.5Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND23NT♠7+1+1
+0.5Round 10🇸🇬 SINGAPORE213NT♥9=-2
+0.5Round 10🇸🇬 SINGAPORE271NT♥3-1-8
+0.4Round 4🇧🇲 BERMUDA173♠♣7+1-6
+0.4Round 4🇧🇲 BERMUDA273♣♦5+1+7
+0.4Round 8🇲🇦 MOROCCO275♥♣J=+0
+0.3Round 2🇸🇰 SLOVAKIA253♣♦10+2+6
+0.3Round 2🇸🇰 SLOVAKIA311♥x♣J-1+2
+0.3Round 3🇰🇪 KENYA123NT♣6+2+0
+0.3Round 8🇲🇦 MOROCCO261NT♣6+2+1
+0.3Round 11🇦🇷 ARGENTINA123♥♥K=+0
+0.2Round 1🇷🇴 ROMANIA93NT♠10+3-13
+0.2Round 2🇸🇰 SLOVAKIA303♦♠A=+1
+0.2Round 4🇧🇲 BERMUDA195♣x♥Q-1+0
+0.2Round 5🇨🇦 CANADA54♥♠J=+0
+0.2Round 5🇨🇦 CANADA73NT♦10=+0
+0.2Round 10🇸🇬 SINGAPORE323♥♣A=+7
+0.2Round 11🇦🇷 ARGENTINA94♠♣5+2-11
+0.1Round 11🇦🇷 ARGENTINA74♠♣2=-1
-0.0Round 1🇷🇴 ROMANIA83NT♠6+1-1
-0.0Round 5🇨🇦 CANADA13NT♦J+1+0
-0.0Round 5🇨🇦 CANADA44♠♦A=+1
-0.0Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND75♥♣A=+0
-0.0Round 13🇹🇹 TRINIDAD TBGO163NT♣2+1-1
-0.1Round 4🇧🇲 BERMUDA234♥♦2=+0
-0.2Round 5🇨🇦 CANADA23NT♠9-1-1
-0.4Round 11🇦🇷 ARGENTINA102♠♣10=+0
-0.4Round 14🇷🇺 RUSSIA283NT♥6=-1
-0.5Round 8🇲🇦 MOROCCO173♥♠J=+0
-0.5Round 10🇸🇬 SINGAPORE256♠♦A=+0
-0.5Round 13🇹🇹 TRINIDAD TBGO24♠♠5+1+0
-0.6Round 10🇸🇬 SINGAPORE316♥♦8+1+13
-0.7Round 4🇧🇲 BERMUDA321NT♠Q=-6
-0.8Round 4🇧🇲 BERMUDA242♦♣J+2-7
-0.8Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14♥♦Q+1+11
-0.8Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND113NT♥Q+1+0
-0.8Round 11🇦🇷 ARGENTINA33NT♠9-1-5
-0.8Round 12🇮🇹 ITALY294♠♥4=+1
-0.9Round 10🇸🇬 SINGAPORE173NT♣Q+2+0
-1.0Round 5🇨🇦 CANADA84♥♥5+1+0
-1.1Round 8🇲🇦 MOROCCO183♦♣J+1-1
-1.1Round 11🇦🇷 ARGENTINA82♠♣K+1+0
-1.2Round 3🇰🇪 KENYA51NT♦4+1+10
-1.2Round 3🇰🇪 KENYA91NT♠3+3+6
-1.2Round 13🇹🇹 TRINIDAD TBGO74♥♦6+1+0
-1.2Round 13🇹🇹 TRINIDAD TBGO146♣♠4+1-11
-1.3Round 12🇮🇹 ITALY284♥♦A-1-5
-1.4Round 1🇷🇴 ROMANIA153♦♣A-1-4
-1.4Round 8🇲🇦 MOROCCO314♠♣J=+0
-1.4Round 11🇦🇷 ARGENTINA151NT♥5-1-2
-1.4Round 13🇹🇹 TRINIDAD TBGO54♠♦3+1+0
-1.4Round 13🇹🇹 TRINIDAD TBGO122♣♠A+1+1
-1.5Round 10🇸🇬 SINGAPORE243NT♠10+2+0
-1.7Round 14🇷🇺 RUSSIA194♠♦Q+2-1
-1.8Round 10🇸🇬 SINGAPORE263NT♦6=-10
-1.8Round 14🇷🇺 RUSSIA224♠♥9+1+0
-1.8Round 14🇷🇺 RUSSIA272♠♠2+2-6
-1.9Round 12🇮🇹 ITALY274♠♥5+1+0
-2.0Round 8🇲🇦 MOROCCO201NT♥9+2-1
-2.0Round 12🇮🇹 ITALY255♣x♥A-2-2
-2.0Round 12🇮🇹 ITALY313♠♣4-3+11
-2.0Round 14🇷🇺 RUSSIA213NT♠T+2+12
-2.1Round 14🇷🇺 RUSSIA293NT♥5-1-6
-2.1Round 14🇷🇺 RUSSIA314♠♥7-1+6
-2.1Round 14🇷🇺 RUSSIA323♦♣4=-1
-2.2Round 12🇮🇹 ITALY245♦♣Q=+2
-2.5Round 1🇷🇴 ROMANIA65♣♠10=+0
-2.5Round 4🇧🇲 BERMUDA313♦♠10-2+1
-2.6Round 4🇧🇲 BERMUDA292♦♦2+1+1
-2.8Round 8🇲🇦 MOROCCO224♠♥Q=-7
-2.8Round 14🇷🇺 RUSSIA181NT♠A-3+0
-3.0Round 14🇷🇺 RUSSIA303♣x♠3-3+10
-3.1Round 2🇸🇰 SLOVAKIA215♦♣A-2+9
-3.1Round 12🇮🇹 ITALY192♥♠9+2-10
-3.2Round 1🇷🇴 ROMANIA53NT♥6=-12
-3.2Round 13🇹🇹 TRINIDAD TBGO155♠♥J-2+0
-3.3Round 12🇮🇹 ITALY202♦♠3+1-10
-3.5Round 14🇷🇺 RUSSIA242♦♠4-2-5
-3.6Round 3🇰🇪 KENYA144♥♣10+3-13
-3.8Round 4🇧🇲 BERMUDA183♣♦8-1-4
-3.9Round 1🇷🇴 ROMANIA163♦♥9-1-11
-3.9Round 10🇸🇬 SINGAPORE224♠♣K-1-12
-4.2Round 2🇸🇰 SLOVAKIA273NT♠7+3+7
-4.4Round 11🇦🇷 ARGENTINA143NT♥Q-1-5
-4.4Round 12🇮🇹 ITALY213♦♠6=+0
-4.5Round 11🇦🇷 ARGENTINA24♥♥A=+0
-4.8Round 11🇦🇷 ARGENTINA54♥♦A=+0
-4.9Round 3🇰🇪 KENYA73♥♦A-2-2
-4.9Round 5🇨🇦 CANADA143NT♠6=+1
-4.9Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND153NT♥6-3-7
-4.9Round 11🇦🇷 ARGENTINA135♠x♥K=-5
-5.3Round 8🇲🇦 MOROCCO254♥♥6-1-13
-5.4Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND85♥♠8+2-14
-5.7Round 2🇸🇰 SLOVAKIA325♣♥K=-5
-5.8Round 1🇷🇴 ROMANIA113NT♥7-1-5
-5.9Round 13🇹🇹 TRINIDAD TBGO104♥♦K-1-6
-6.2Round 8🇲🇦 MOROCCO243NT♥J-1-10
-6.4Round 8🇲🇦 MOROCCO287♦♥9=+2
-6.5Round 13🇹🇹 TRINIDAD TBGO63NT♠5=-7
-6.9Round 10🇸🇬 SINGAPORE304♥♥A-2-11
-7.2Round 12🇮🇹 ITALY185♠x♣A-3-12
-7.2Round 14🇷🇺 RUSSIA234♥♦J+1+0
-7.5Round 2🇸🇰 SLOVAKIA171NT♦2=-11
-7.5Round 10🇸🇬 SINGAPORE183NT♦10=-3
-7.5Round 11🇦🇷 ARGENTINA163NT♦5-1-10
-7.7Round 7🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND144♥♠2=-1
-8.5Round 12🇮🇹 ITALY226♠♣6=+0
-9.2Round 10🇸🇬 SINGAPORE194♠x♥A=-12
-9.5Round 8🇲🇦 MOROCCO324♥♣5-2-13
-10.2Round 11🇦🇷 ARGENTINA44♥♣2-1-12
-10.8Round 12🇮🇹 ITALY305♣♠3-3-12