🇵🇱 GRZEJDZIAK Sabina · POLAND

51rank
+60.7Butler · 256 bds
+0.24per board
±4.9swing
+0.47vs par /bd · #36/137
+0.26adjusted /bd
Butler per round: 1.4 5.6 24.5 -20.5 19.7 -40.4 44.2 -6.9 -4 -40.4 31.6 -6.5 -24 20.5 -0.3 56.2by round

vs par split: bidding +0.15 · play +0.28

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.26/bd

Card play — on target: opening leads 75.4% #90 of 137 · declarer play 70.0% #99 of 137 · defence 88.1% #37 of 137

Card play by contract type — on target
vs NTvs a suit
Opening leads61.1% (18)81.4% (43)
Declarer play58.8% (17)74.4% (43)
Defence82.1% (39)90.5% (95)

Opening leads by suit led: ♠ 83.3% (12) · ♥ 90.9% (11) · ♦ 62.5% (16) · ♣ 72.7% (22)

vs par by strain: NT +0.16 (73) · a suit +0.53 (182)

vs par by level: part-score +0.29 (83) · game +0.57 (153) · slam -0.10 (19)

By role: declaring -0.26/bd (-2.40 vs par · 121) · defending +0.69/bd (+3.05 vs par · 135)

By vulnerability: vulnerable +0.03/bd (+0.30 vs par · 128) · not vulnerable +0.45/bd (+0.64 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1I.GrzejdziakB.Thompson – R.CooperClosed16+1.4+0.09+1.19
Round 2I.GrzejdziakJ.Campos – S.De MelloClosed16+5.6+0.35+3.06
Round 5I.GrzejdziakL.Chen – H.SoClosed16+24.5+1.53+2.44
Round 6I.GrzejdziakZ.Xie – Z.LiaoClosed16-20.5-1.28-0.50
Round 8I.GrzejdziakD.Attanasio – G.ManaraOpen16+19.7+1.23+0.56
Round 9I.GrzejdziakG.Strandberg – G.AnderssonClosed16-40.4-2.52-1.25
Round 10I.GrzejdziakS.Henry – A.HenryClosed16+44.2+2.76+0.75
Round 11I.GrzejdziakC.Krefeld – J.HammelevOpen16-6.9-0.43-1.31
Round 12I.GrzejdziakF.Brown – M.ByrneClosed16-4.0-0.25+0.25
Round 14I.GrzejdziakA.Gromov – A.GulevichClosed16-40.4-2.52-4.00
Round 15I.GrzejdziakD.Rotchell – P.CumminsOpen16+31.6+1.98+2.06
Round 16I.GrzejdziakJ.Mcavoy – C.McavoyOpen16-6.5-0.41+0.00
Round 17I.GrzejdziakM.Zur-Campanile – C.WillenkenClosed16-24.0-1.50-1.31
Round 20I.GrzejdziakJ.Rombaut – D.GaviardOpen16+20.5+1.28+3.06
Round 21I.GrzejdziakJ.Bethers – M.RomanovskaOpen16-0.3-0.02-1.75
Round 23I.GrzejdziakS.Shah – F.SarfrazOpen16+56.2+3.51+4.31

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
+13.9Round 10🇳🇿 NEW ZEALAND185♠x♣6-4+15
+12.4Round 8🇮🇹 ITALY236♥♠4=+0
+12.2Round 23🇵🇰 PAKISTAN96♦♣5=+0
+12.0Round 9🇸🇪 SWEDEN154♠♥4=+10
+11.7Round 23🇵🇰 PAKISTAN43NT♥A+1+11
+11.6Round 8🇮🇹 ITALY282♣♣A-3+13
+10.7Round 16🇨🇦 CANADA275♥♦7+1+11
+10.7Round 23🇵🇰 PAKISTAN164♠♠3+1+8
+10.0Round 16🇨🇦 CANADA296♠♥K-1+13
+9.8Round 11🇩🇰 DENMARK156♦♠7=-11
+9.7Round 20🇫🇷 FRANCE264♥x♥A=+14
+8.9Round 5🇹🇼 CHINESE TAIPEI53NT♦3-1+10
+8.9Round 10🇳🇿 NEW ZEALAND203NT♦2+1+10
+8.8Round 11🇩🇰 DENMARK67♠♣K=+0
+8.7Round 2🇧🇷 BRAZIL223NT♥9-1+10
+8.7Round 10🇳🇿 NEW ZEALAND244♥♦A=+1
+8.7Round 20🇫🇷 FRANCE223NT♠J-3+14
+8.2Round 10🇳🇿 NEW ZEALAND304♠x♠A-3+12
+8.0Round 16🇨🇦 CANADA213NT♦J-3+10
+7.8Round 15🇧🇧 BARBADOS164♠♥5-2+7
+7.7Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND175♥x♠K=+8
+7.7Round 17🇺🇸 USA 2106♥♠2=+0
+7.6Round 15🇧🇧 BARBADOS34♥♠K-1+12
+7.5Round 11🇩🇰 DENMARK134♣x♣9-2+0
+7.1Round 1🇦🇺 AUSTRALIA83NT♦K-2+17
+7.1Round 6🇨🇳 CHINA215♠♥Q-1+11
+7.1Round 23🇵🇰 PAKISTAN134♠x♣9-2+12
+7.0Round 23🇵🇰 PAKISTAN52♣♠3-1+12
+6.7Round 20🇫🇷 FRANCE276♥♣A=+10
+6.6Round 14🇷🇺 RUSSIA204♥♣2-1+6
+6.4Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND273NT♥3-1+10
+6.0Round 20🇫🇷 FRANCE254♠♦5-2+7
+5.9Round 2🇧🇷 BRAZIL314♠♦A-2+7
+5.9Round 5🇹🇼 CHINESE TAIPEI123NT♥3+3+11
+5.7Round 5🇹🇼 CHINESE TAIPEI34♠♣2-1+12
+5.5Round 15🇧🇧 BARBADOS63NT♥10=+7
+5.3Round 14🇷🇺 RUSSIA305♦♣2-2+6
+5.0Round 23🇵🇰 PAKISTAN113NT♣Q-3+7
+4.6Round 17🇺🇸 USA 2164♥♦10=+0
+4.5Round 2🇧🇷 BRAZIL284♠♦9+2+13
+4.5Round 5🇹🇼 CHINESE TAIPEI84♠♣10=+0
+4.5Round 6🇨🇳 CHINA234♥♠Q-1+6
+4.5Round 23🇵🇰 PAKISTAN11NT♣6-1+5
+4.3Round 15🇧🇧 BARBADOS145♦♥Q-1+5
+4.3Round 21🇱🇻 LATVIA116♦♣5+1-2
+4.2Round 10🇳🇿 NEW ZEALAND274♥♣K+2+11
+4.1Round 5🇹🇼 CHINESE TAIPEI43♠♥J-1+0
+4.0Round 8🇮🇹 ITALY244♥♠Q+1+10
+4.0Round 10🇳🇿 NEW ZEALAND322♥♥A=+6
+4.0Round 14🇷🇺 RUSSIA243NT♠9=+0
+3.9Round 16🇨🇦 CANADA204♥♥7-1+6
+3.8Round 2🇧🇷 BRAZIL206♦♠10+1+13
+3.8Round 10🇳🇿 NEW ZEALAND224♦♦9-2+0
+3.8Round 21🇱🇻 LATVIA64♠♦4+2+11
+3.7Round 10🇳🇿 NEW ZEALAND293♦♠A+1+0
+3.5Round 1🇦🇺 AUSTRALIA152NT♠6-3+2
+3.4Round 20🇫🇷 FRANCE324♠x♣K-1+6
+3.3Round 1🇦🇺 AUSTRALIA105♦♠2=-2
+3.3Round 23🇵🇰 PAKISTAN151NT♠3+1+6
+3.2Round 5🇹🇼 CHINESE TAIPEI143NT♣2-2+6
+3.1Round 15🇧🇧 BARBADOS43♠♥J-1+0
+3.0Round 11🇩🇰 DENMARK5Pass+12
+3.0Round 15🇧🇧 BARBADOS151♥♣J+4+2
+2.8Round 10🇳🇿 NEW ZEALAND233NT♠6+1-1
+2.8Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND262NT♥3-1+0
+2.7Round 5🇹🇼 CHINESE TAIPEI134♠♣J-1+6
+2.7Round 8🇮🇹 ITALY293NT♥8+3-13
+2.7Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND222♥♣10=+0
+2.7Round 15🇧🇧 BARBADOS93♠♦6-4-1
+2.7Round 21🇱🇻 LATVIA92NT♦8=+0
+2.7Round 21🇱🇻 LATVIA154♠♥6+1+1
+2.6Round 15🇧🇧 BARBADOS132♠♣10+1+10
+2.6Round 16🇨🇦 CANADA262♠♦A-1+5
+2.5Round 1🇦🇺 AUSTRALIA65♦♠9-1+6
+2.5Round 1🇦🇺 AUSTRALIA122♥♣5=+6
+2.4Round 17🇺🇸 USA 253NT♦10-2+13
+2.4Round 20🇫🇷 FRANCE175♣x♠6-3+2
+2.3Round 5🇹🇼 CHINESE TAIPEI22♠♦10-2+6
+2.2Round 10🇳🇿 NEW ZEALAND313♠♥9+2+2
+2.0Round 8🇮🇹 ITALY182♠♣K+1+6
+2.0Round 21🇱🇻 LATVIA104♥♠J+1+0
+2.0Round 21🇱🇻 LATVIA162♥♣A-1+4
+1.9Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND283♦♠J=+5
+1.7Round 9🇸🇪 SWEDEN64♠♥8-1+6
+1.7Round 15🇧🇧 BARBADOS113NT♥6+3-11
+1.7Round 20🇫🇷 FRANCE243♥♦K-1+4
+1.6Round 17🇺🇸 USA 262♦♦4+1+7
+1.6Round 23🇵🇰 PAKISTAN22♠♦A=-1
+1.5Round 2🇧🇷 BRAZIL321NT♣A=-1
+1.4Round 8🇮🇹 ITALY264♦♠A-2+2
+1.3Round 2🇧🇷 BRAZIL273♣♦4+1+7
+1.3Round 6🇨🇳 CHINA253♥♦2-2+2
+1.2Round 8🇮🇹 ITALY272♠♥5-1+2
+1.2Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND314♠♣10+1+0
+1.1Round 23🇵🇰 PAKISTAN32NT♠3-2+5
+1.0Round 5🇹🇼 CHINESE TAIPEI94♠♦A+1+1
+1.0Round 8🇮🇹 ITALY204♠♥Q+1+1
+1.0Round 8🇮🇹 ITALY303NT♦7+2+1
+0.9Round 9🇸🇪 SWEDEN13♠♦K-2-1
+0.9Round 17🇺🇸 USA 233♣♠K-1-2
+0.8Round 6🇨🇳 CHINA273♦♥Q=-1
+0.8Round 9🇸🇪 SWEDEN85♠♦9=+0
+0.8Round 9🇸🇪 SWEDEN93NT♥K=-2
+0.8Round 20🇫🇷 FRANCE213NT♠3=+0
+0.7Round 1🇦🇺 AUSTRALIA51NT♣7=-1
+0.7Round 1🇦🇺 AUSTRALIA92♠♠2=+0
+0.7Round 2🇧🇷 BRAZIL175♥♠6+1+1
+0.7Round 5🇹🇼 CHINESE TAIPEI162♠♠2=+0
+0.7Round 15🇧🇧 BARBADOS24♥♣8=-1
+0.6Round 15🇧🇧 BARBADOS12♥♦Q+3+6
+0.5Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233NT♣4=+0
+0.4Round 10🇳🇿 NEW ZEALAND174♥♣3=+0
+0.4Round 20🇫🇷 FRANCE304♥♦7+1+0
+0.4Round 21🇱🇻 LATVIA31NT♦2-1-3
+0.4Round 23🇵🇰 PAKISTAN124♠♣6+1+0
+0.3Round 6🇨🇳 CHINA314♠♦A=+1
+0.3Round 10🇳🇿 NEW ZEALAND283NT♠4+2-10
+0.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184♥♥J+1+0
+0.3Round 17🇺🇸 USA 2132♥♦A+1-1
+0.3Round 20🇫🇷 FRANCE292♥♥2+1-10
+0.3Round 20🇫🇷 FRANCE311NT♠6+1+0
+0.1Round 2🇧🇷 BRAZIL263NT♥2=+0
+0.1Round 6🇨🇳 CHINA325♣♦A=-2
+0.1Round 11🇩🇰 DENMARK163NT♥9+1-1
+0.0Round 1🇦🇺 AUSTRALIA34♠♥8+3+12
-0.0Round 8🇮🇹 ITALY323NT♠2+1+0
-0.0Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND244♥♣4+1+0
-0.0Round 21🇱🇻 LATVIA54♥♣9+1+0
-0.1Round 2🇧🇷 BRAZIL254♠♥6-1+5
-0.1Round 21🇱🇻 LATVIA84♦♠6-2-5
-0.2Round 5🇹🇼 CHINESE TAIPEI113♠♥Q-1-4
-0.3Round 1🇦🇺 AUSTRALIA23NT♠4+1-1
-0.3Round 6🇨🇳 CHINA183NT♦6=-1
-0.3Round 8🇮🇹 ITALY173♠♦10-1+2
-0.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND304♠♥A=-3
-0.4Round 5🇹🇼 CHINESE TAIPEI61NT♣3-2+2
-0.4Round 5🇹🇼 CHINESE TAIPEI71NT♠7+1-1
-0.4Round 9🇸🇪 SWEDEN124♠x♣5-2+0
-0.4Round 16🇨🇦 CANADA302NT♠2-1+5
-0.4Round 17🇺🇸 USA 273NT♥2+3+1
-0.4Round 17🇺🇸 USA 2144♥♠Q+1+0
-0.4Round 21🇱🇻 LATVIA23NT♦4+2+0
-0.5Round 1🇦🇺 AUSTRALIA162♦♦3+2-7
-0.5Round 2🇧🇷 BRAZIL244♠♥Q+1+0
-0.5Round 14🇷🇺 RUSSIA214♠♠8+1-1
-0.5Round 14🇷🇺 RUSSIA314♥♠2=+0
-0.5Round 21🇱🇻 LATVIA42NT♥6=+0
-0.6Round 15🇧🇧 BARBADOS73♥♠3+1+1
-0.7Round 1🇦🇺 AUSTRALIA44♥♣J+1+13
-0.7Round 6🇨🇳 CHINA173♠♦K=-7
-0.7Round 14🇷🇺 RUSSIA294♥♦K+1+0
-0.8Round 9🇸🇪 SWEDEN103♥♣2=+0
-0.8Round 11🇩🇰 DENMARK112♠♣K-1+2
-0.9Round 6🇨🇳 CHINA284♠♣8+2-2
-1.0Round 11🇩🇰 DENMARK142♠♠Q=-5
-1.0Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND294♥♣A+2-13
-1.0Round 15🇧🇧 BARBADOS56♠♣10=+0
-1.0Round 16🇨🇦 CANADA223NT♣8+1+0
-1.0Round 23🇵🇰 PAKISTAN66♠♥10+1+11
-1.1Round 23🇵🇰 PAKISTAN84♣♥A-2+0
-1.2Round 6🇨🇳 CHINA193♦♥J+2+1
-1.2Round 10🇳🇿 NEW ZEALAND213NT♦Q+1-11
-1.2Round 15🇧🇧 BARBADOS84♠♦A-1-4
-1.2Round 16🇨🇦 CANADA172♥♣9+1-1
-1.3Round 1🇦🇺 AUSTRALIA133NT♦Q+3-17
-1.3Round 23🇵🇰 PAKISTAN104♥♦7-2+9
-1.5Round 14🇷🇺 RUSSIA283NT♠5+2+0
-1.7Round 2🇧🇷 BRAZIL294♥♣A+1+0
-1.7Round 5🇹🇼 CHINESE TAIPEI154♥♣5+1+0
-1.7Round 21🇱🇻 LATVIA72♥♠K+3-15
-1.9Round 2🇧🇷 BRAZIL212♥♦A-1+3
-1.9Round 8🇮🇹 ITALY211NT♥7-2+1
-1.9Round 9🇸🇪 SWEDEN33♥x♠K-3+3
-1.9Round 20🇫🇷 FRANCE285♦x♦9-4+12
-2.0Round 6🇨🇳 CHINA224♠♥3-2-6
-2.0Round 8🇮🇹 ITALY225♦♥9=+2
-2.0Round 8🇮🇹 ITALY316NT♠8=+0
-2.0Round 10🇳🇿 NEW ZEALAND253NT♥10+1+0
-2.0Round 14🇷🇺 RUSSIA324♠♦A+2-1
-2.0Round 17🇺🇸 USA 293NT♠4+1-1
-2.1Round 11🇩🇰 DENMARK124♠♥6+1+13
-2.2Round 15🇧🇧 BARBADOS121NT♣J-1+0
-2.3Round 9🇸🇪 SWEDEN113♥♣2=-6
-2.4Round 17🇺🇸 USA 223NT♥7-3-7
-2.4Round 23🇵🇰 PAKISTAN74♠♥7-1-6
-2.5Round 20🇫🇷 FRANCE181NT♣5+1-5
-2.6Round 21🇱🇻 LATVIA13♥♦10+1-1
-2.6Round 23🇵🇰 PAKISTAN143NT♦4-1-10
-2.7Round 2🇧🇷 BRAZIL233NT♠4=+0
-2.8Round 11🇩🇰 DENMARK35♣♥5=+0
-2.8Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND217♠♣7=+0
-2.8Round 16🇨🇦 CANADA185♣♦A-1-10
-2.9Round 6🇨🇳 CHINA304♥♠J+1+0
-3.0Round 8🇮🇹 ITALY253NT♦10+2-1
-3.0Round 11🇩🇰 DENMARK82♠♥2-1-5
-3.0Round 15🇧🇧 BARBADOS103♥♣2=+0
-3.0Round 16🇨🇦 CANADA232♦♥A-1+0
-3.0Round 17🇺🇸 USA 2113♥♦A-3-1
-3.1Round 1🇦🇺 AUSTRALIA74♥♠3+1+0
-3.1Round 20🇫🇷 FRANCE234♠♦10=+0
-3.2Round 2🇧🇷 BRAZIL192♦x♥K-2-3
-3.2Round 9🇸🇪 SWEDEN143NT♣8=+1
-3.3Round 11🇩🇰 DENMARK73NT♥10-1+5
-3.3Round 14🇷🇺 RUSSIA254♠♦6-2-8
-3.3Round 16🇨🇦 CANADA283♣♠7=+0
-3.3Round 17🇺🇸 USA 242♥♥K-1+1
-3.4Round 17🇺🇸 USA 2154♥♠Q+2-14
-3.4Round 21🇱🇻 LATVIA144♥♥8-2-6
-3.5Round 6🇨🇳 CHINA245♦♣A=+0
-3.6Round 14🇷🇺 RUSSIA224♥♣A-1-12
-3.7Round 1🇦🇺 AUSTRALIA14♠♣A=+0
-3.7Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND194♥♦J-2-3
-3.7Round 17🇺🇸 USA 212♣♣Q-2-5
-3.8Round 5🇹🇼 CHINESE TAIPEI14♥♠7-2-11
-3.8Round 16🇨🇦 CANADA324♠♦8=-1
-3.9Round 11🇩🇰 DENMARK11NT♥4=-5
-3.9Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND254♠♦7-1+8
-4.0Round 1🇦🇺 AUSTRALIA114♠♣6-1+2
-4.0Round 6🇨🇳 CHINA203♠♦J=+10
-4.0Round 21🇱🇻 LATVIA123NT♠4=-10
-4.2Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND201NT♣4-4+5
-4.3Round 9🇸🇪 SWEDEN134♠♦A=-9
-4.3Round 14🇷🇺 RUSSIA186♣♠A-1-11
-4.4Round 14🇷🇺 RUSSIA233♥♠K-2-9
-4.4Round 14🇷🇺 RUSSIA273NT♥A-3-7
-4.5Round 11🇩🇰 DENMARK94♥♦A=+0
-4.6Round 11🇩🇰 DENMARK42♣♥A=-12
-4.8Round 2🇧🇷 BRAZIL303NT♠K=+0
-5.0Round 9🇸🇪 SWEDEN165♦♦6+2-10
-5.0Round 11🇩🇰 DENMARK24♥♦A-2-6
-5.0Round 20🇫🇷 FRANCE194♥x♠A=-5
-5.1Round 11🇩🇰 DENMARK103♠♥5=-8
-5.3Round 1🇦🇺 AUSTRALIA143NT♠9-2-11
-5.3Round 14🇷🇺 RUSSIA263NT♥6+1-1
-5.4Round 10🇳🇿 NEW ZEALAND262♠♥6+2-10
-5.5Round 21🇱🇻 LATVIA133NT♥J-2-2
-6.0Round 2🇧🇷 BRAZIL183NT♠2-2-6
-6.0Round 16🇨🇦 CANADA314♥♣10-1-10
-6.1Round 16🇨🇦 CANADA193NT♥8-1-12
-6.9Round 16🇨🇦 CANADA245♠♥J+1-11
-7.2Round 16🇨🇦 CANADA255♥x♠A-1-5
-7.3Round 9🇸🇪 SWEDEN74♥♣7-2-13
-7.4Round 20🇫🇷 FRANCE203NT♠6=+0
-7.8Round 9🇸🇪 SWEDEN26♠♦6+1-1
-8.0Round 5🇹🇼 CHINESE TAIPEI103NT♦10=+1
-8.3Round 10🇳🇿 NEW ZEALAND196♦♥5+1-13
-8.4Round 8🇮🇹 ITALY194♠♥3+3-17
-8.6Round 17🇺🇸 USA 2123NT♥K=+0
-9.1Round 6🇨🇳 CHINA264♠x♣A=-12
-10.0Round 6🇨🇳 CHINA294♥x♣8-1-8
-10.1Round 9🇸🇪 SWEDEN57♠♣J=+0
-11.2Round 14🇷🇺 RUSSIA174♠x♦A-3-11
-11.6Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND326♠♦3-1-13
-13.5Round 9🇸🇪 SWEDEN47♦♦9=+2
-14.3Round 17🇺🇸 USA 283NTx♦2-4-12
-14.6Round 14🇷🇺 RUSSIA194♠x♣A-4-15