🇨🇦 WOLPERT Darren · CANADA

52rank
+26.5Butler · 224 bds
+0.12per board
±4.3swing
+0.12vs par /bd · #50/127
+0.12adjusted /bd
Butler per round: -17.1 -59.5 -9 2.4 8.7 33 1 3.5 49.4 -8.8 34.5 0.9 -22.7 10.2by round

vs par split: bidding -0.26 · play +0.36

Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted +0.12/bd

Card play — on target: opening leads 81.6% #47 of 127 · declarer play 74.5% #77 of 127 · defence 85.5% #79 of 127

Card play by contract type — on target
vs NTvs a suit
Opening leads73.3% (15)85.3% (34)
Declarer play64.7% (17)78.9% (38)
Defence87.1% (31)84.8% (79)

Opening leads by suit led: ♠ 90.0% (10) · ♥ 94.4% (18) · ♦ 75.0% (12) · ♣ 55.6% (9)

vs par by strain: NT -0.20 (66) · a suit +0.25 (158)

vs par by level: part-score -0.20 (79) · game +0.34 (130) · slam -0.07 (15)

By role: declaring +0.40/bd (-1.98 vs par · 113) · defending -0.17/bd (+2.26 vs par · 111)

By vulnerability: vulnerable +0.17/bd (-0.66 vs par · 112) · not vulnerable +0.07/bd (+0.90 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.KorbelR.Barbosa – D.BrennerClosed16-17.1-1.07-1.56
Round 2D.KorbelH.Poon – C.LooClosed16-59.5-3.72-3.50
Round 5D.KorbelJ.Stefanov – V.MihovClosed16-9.0-0.56-1.06
Round 6D.KorbelN.Lhuissier – G.TessieresOpen16+2.4+0.15-0.31
Round 8D.KorbelM.Ghanem – S.BarakatClosed16+8.7+0.54-2.06
Round 9D.KorbelJ.Hackett – J.HackettClosed16+33.0+2.06+1.44
Round 10D.KorbelE.Rodwell – J.MeckstrothClosed16+1.0+0.06+2.31
Round 11D.KorbelR.Stephens – H.FickOpen16+3.5+0.22+3.25
Round 13D.KorbelE.Elshorbagy – A.MonirOpen16+49.4+3.09+3.50
Round 14D.KorbelS.Sun – M.KangOpen16-8.8-0.55+2.12
Round 15D.KorbelR.Tanaka – H.YokoiClosed16+34.5+2.16-0.12
Round 16D.KorbelP.Mathieu – J.BouveresseOpen16+0.9+0.06-0.06
Round 17D.KorbelK.Jassem – M.MazurkiewiczOpen16-22.7-1.42+0.50
Round 19D.KorbelS.Mukherjee – D.MajumdarOpen16+10.2+0.64-2.75

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 13🇦🇪 UNITED ARAB EMIRATES76♠♥A-2+13
+10.6Round 16🇬🇵 GUADELOUPE204♠♦2=+10
+10.5Round 8🇯🇴 JORDAN196♦♠5=-2
+10.3Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND66♥♦3-1+13
+10.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND45♦♥8-2+10
+9.9Round 11🇿🇦 SOUTH AFRICA105♠x♣A-2+7
+9.6Round 8🇯🇴 JORDAN326♣♦7=-2
+8.4Round 17🇵🇱 POLAND114♥♣A-1+10
+8.2Round 16🇬🇵 GUADELOUPE266♦♠6+1+1
+7.9Round 15🇯🇵 JAPAN116♦♥3=-2
+7.5Round 13🇦🇪 UNITED ARAB EMIRATES64♠♥4+1+4
+7.5Round 14🇨🇳 CHINA184♠♠9=+8
+7.5Round 15🇯🇵 JAPAN156♦x♥A-1+13
+7.4Round 1🇧🇷 BRAZIL73NT♠6+3+3
+7.2Round 13🇦🇪 UNITED ARAB EMIRATES143NT♠3=+6
+7.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♥6=+7
+6.5Round 17🇵🇱 POLAND142♦x♣6-1+8
+6.4Round 13🇦🇪 UNITED ARAB EMIRATES83NT♠7=+7
+6.4Round 15🇯🇵 JAPAN33NT♥3-1+10
+5.9Round 15🇯🇵 JAPAN72♠♣5+2+1
+5.7Round 13🇦🇪 UNITED ARAB EMIRATES24♠♦8-1+12
+5.4Round 10🇺🇸 USA1193NT♣4+2+1
+5.2Round 14🇨🇳 CHINA254♥♣2-1+6
+5.2Round 15🇯🇵 JAPAN144♥♦10+1+1
+5.1Round 13🇦🇪 UNITED ARAB EMIRATES114♥♣Q-1+11
+5.1Round 19🇮🇳 INDIA133♠♥3=+8
+5.0Round 8🇯🇴 JORDAN175♠x♥A-2+4
+5.0Round 15🇯🇵 JAPAN43NT♠Q-3+3
+4.6Round 1🇧🇷 BRAZIL63♥♦3+1+7
+4.4Round 19🇮🇳 INDIA104♥♠10+1+0
+4.1Round 13🇦🇪 UNITED ARAB EMIRATES134♥♠K=+0
+4.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND51NT♥5+2+6
+4.0Round 11🇿🇦 SOUTH AFRICA91NT♥4+2+6
+4.0Round 13🇦🇪 UNITED ARAB EMIRATES93♦♦2=+0
+3.9Round 10🇺🇸 USA1184♠♥5-1+12
+3.9Round 15🇯🇵 JAPAN53♠♣8-2+8
+3.8Round 16🇬🇵 GUADELOUPE253NT♠J-1+5
+3.7Round 5🇧🇬 BULGARIA42♠♥J=+6
+3.7Round 16🇬🇵 GUADELOUPE184♠♦6+1+0
+3.7Round 19🇮🇳 INDIA122♠♥A+2+6
+3.5Round 1🇧🇷 BRAZIL143NT♦Q+1+1
+3.5Round 6🇫🇷 FRANCE323♣♥A=+6
+3.5Round 8🇯🇴 JORDAN215♣♠Q=+0
+3.5Round 14🇨🇳 CHINA294♠♥Q+1+0
+3.3Round 17🇵🇱 POLAND152♠♦3+2+6
+3.2Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133NT♥A+1+0
+3.0Round 6🇫🇷 FRANCE283♥♠J+1+10
+3.0Round 10🇺🇸 USA1294♠x♥Q-1+2
+3.0Round 14🇨🇳 CHINA212♠♣A=+0
+3.0Round 15🇯🇵 JAPAN91NT♣5-2+0
+2.9Round 6🇫🇷 FRANCE313♥♣Q-1+0
+2.9Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♦J=+0
+2.9Round 11🇿🇦 SOUTH AFRICA72NT♦5=+0
+2.9Round 11🇿🇦 SOUTH AFRICA143♠♠2=+7
+2.8Round 19🇮🇳 INDIA24♠♦3+1+0
+2.7Round 2🇸🇬 SINGAPORE204♥♣4+2+13
+2.6Round 2🇸🇬 SINGAPORE303NT♠9-1+4
+2.6Round 11🇿🇦 SOUTH AFRICA53NT♠6+1+0
+2.5Round 5🇧🇬 BULGARIA13NT♣2+2-11
+2.5Round 8🇯🇴 JORDAN262♠♠4-1-1
+2.5Round 10🇺🇸 USA1252NT♠A-2+6
+2.4Round 5🇧🇬 BULGARIA53♣♥2+1+0
+2.3Round 5🇧🇬 BULGARIA102♦♣10-2+3
+2.3Round 14🇨🇳 CHINA193NT♦J-2+8
+2.2Round 19🇮🇳 INDIA83♦♦3=+0
+2.1Round 2🇸🇬 SINGAPORE272♥♥8=+1
+2.0Round 5🇧🇬 BULGARIA113♥x♦2-1+0
+2.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND141NT♣2-1+2
+2.0Round 10🇺🇸 USA1273♥♠8-2+0
+2.0Round 15🇯🇵 JAPAN163NT♥2+2+2
+1.9Round 6🇫🇷 FRANCE174♠♦K-1-2
+1.9Round 6🇫🇷 FRANCE242♥♠J-2+0
+1.7Round 10🇺🇸 USA1263NT♥9-2+8
+1.7Round 16🇬🇵 GUADELOUPE321NT-1+4
+1.7Round 19🇮🇳 INDIA14♣♥3=-1
+1.5Round 6🇫🇷 FRANCE203♣♥4+1+0
+1.5Round 11🇿🇦 SOUTH AFRICA24♠♦Q=+13
+1.4Round 1🇧🇷 BRAZIL93NT♣K+2-13
+1.4Round 6🇫🇷 FRANCE223♠♦K=+0
+1.4Round 6🇫🇷 FRANCE233NT♥A-1+6
+1.3Round 1🇧🇷 BRAZIL124♠♦Q-1+6
+1.3Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123NT♥6=+0
+1.3Round 14🇨🇳 CHINA243♣♦A-1+3
+1.3Round 19🇮🇳 INDIA153NT♠2+2-12
+1.2Round 17🇵🇱 POLAND83NT♥2+1-1
+1.1Round 13🇦🇪 UNITED ARAB EMIRATES14♠♥Q=+1
+1.0Round 5🇧🇬 BULGARIA164♥♣2+1+11
+1.0Round 10🇺🇸 USA1326NT♥J+1+11
+1.0Round 19🇮🇳 INDIA33NT♦2+3-11
+1.0Round 19🇮🇳 INDIA93♦♣Q-1-1
+1.0Round 19🇮🇳 INDIA164♥♣A=+0
+0.9Round 10🇺🇸 USA1313NT♠10+1-1
+0.9Round 15🇯🇵 JAPAN124♠♥8=-1
+0.7Round 13🇦🇪 UNITED ARAB EMIRATES31NT♥9+3-3
+0.6Round 1🇧🇷 BRAZIL43NT♠5+1+1
+0.6Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♥♦Q+1-10
+0.6Round 11🇿🇦 SOUTH AFRICA153♣♥6+1+0
+0.6Round 16🇬🇵 GUADELOUPE243NT♦6+2-11
+0.6Round 17🇵🇱 POLAND44♠♥A-1+3
+0.5Round 1🇧🇷 BRAZIL132♥♣J+1+0
+0.5Round 2🇸🇬 SINGAPORE313NT♥3+2+10
+0.5Round 11🇿🇦 SOUTH AFRICA123♣x♦A-3+3
+0.5Round 17🇵🇱 POLAND62♠♥9-2+9
+0.4Round 8🇯🇴 JORDAN221NT♠3+2-10
+0.4Round 8🇯🇴 JORDAN232♣♣9-3-7
+0.4Round 10🇺🇸 USA1302♣♣3-1+2
+0.4Round 13🇦🇪 UNITED ARAB EMIRATES164♥♣Q+1+0
+0.4Round 19🇮🇳 INDIA64♥♦Q=-1
+0.3Round 5🇧🇬 BULGARIA81NT♦J-1-2
+0.3Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♥♣K-2+5
+0.2Round 1🇧🇷 BRAZIL54♥♣J+1+0
+0.2Round 5🇧🇬 BULGARIA134♥♦2=+0
+0.2Round 6🇫🇷 FRANCE265♥x♠3-2+4
+0.2Round 6🇫🇷 FRANCE293♠♣5=+0
+0.2Round 8🇯🇴 JORDAN304♠♣A+1+0
+0.2Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♥♣Q=-1
+0.2Round 13🇦🇪 UNITED ARAB EMIRATES104♥♣5+1+0
-0.0Round 1🇧🇷 BRAZIL84♠♥10+1+0
-0.0Round 5🇧🇬 BULGARIA74♣♠J-1-5
+0.0Round 5🇧🇬 BULGARIA144♥♣J+2+11
+0.0Round 6🇫🇷 FRANCE213NT♥9=-3
+0.0Round 8🇯🇴 JORDAN254♠♥6+2-9
+0.0Round 14🇨🇳 CHINA223NT♥6+2+1
-0.0Round 15🇯🇵 JAPAN83♦♠4=+0
-0.0Round 16🇬🇵 GUADELOUPE303NT♣3+1+0
+0.0Round 19🇮🇳 INDIA144♠♣J+3-14
-0.1Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93NT♠5+1-1
-0.3Round 11🇿🇦 SOUTH AFRICA163NT♥5+1+1
-0.3Round 13🇦🇪 UNITED ARAB EMIRATES54♥♣A+1+0
-0.3Round 17🇵🇱 POLAND73NT♥4+1+0
-0.4Round 6🇫🇷 FRANCE303NT♣5+1-1
-0.5Round 14🇨🇳 CHINA324♥♦10+1+0
-0.5Round 16🇬🇵 GUADELOUPE274♠♥10+2-11
-0.6Round 8🇯🇴 JORDAN313NT♣6+2-1
-0.7Round 5🇧🇬 BULGARIA24♥♦2=-11
-0.7Round 11🇿🇦 SOUTH AFRICA14♠♣6-1+5
-0.8Round 10🇺🇸 USA1173NT♥7=+0
-0.8Round 14🇨🇳 CHINA273NT♠A-1+5
-0.9Round 14🇨🇳 CHINA285♥x♠K-2-5
-0.9Round 15🇯🇵 JAPAN22♠♦2-1-7
-0.9Round 16🇬🇵 GUADELOUPE192♥♦3-1+0
-1.0Round 2🇸🇬 SINGAPORE294♠♣K+2-12
-1.0Round 8🇯🇴 JORDAN294♥♠6+2-1
-1.0Round 10🇺🇸 USA1204♠♦J-1+13
-1.0Round 14🇨🇳 CHINA174♥♣10+3+14
-1.0Round 14🇨🇳 CHINA263♠♦2-2-2
-1.0Round 17🇵🇱 POLAND34♥x♠K-3+3
-1.1Round 10🇺🇸 USA1212NT♥9+2-6
-1.1Round 17🇵🇱 POLAND54♠♥2=+0
-1.2Round 2🇸🇬 SINGAPORE254♠♥6=+0
-1.3Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83♦♠J-1-3
-1.3Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162NT♣J-1-4
-1.3Round 13🇦🇪 UNITED ARAB EMIRATES43NT♦10+2-2
-1.3Round 13🇦🇪 UNITED ARAB EMIRATES153NT♦4+4+12
-1.3Round 17🇵🇱 POLAND14♥♣J=-1
-1.4Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND112♣♠8-2-1
-1.4Round 13🇦🇪 UNITED ARAB EMIRATES123♥♠Q-2-5
-1.7Round 5🇧🇬 BULGARIA122♠♥2-3-1
-1.7Round 10🇺🇸 USA1284NT♥9+1+0
-1.9Round 15🇯🇵 JAPAN14♠♥A-1+2
-2.1Round 1🇧🇷 BRAZIL33NT♠2+3-1
-2.1Round 16🇬🇵 GUADELOUPE174♥♣10=-3
-2.2Round 10🇺🇸 USA1232♦♦4+3-1
-2.3Round 2🇸🇬 SINGAPORE193NT♦9=+0
-2.3Round 14🇨🇳 CHINA234♠♦6-1+9
-2.4Round 19🇮🇳 INDIA41♠♥2+3+1
-2.5Round 6🇫🇷 FRANCE183♥♥5=-1
-2.5Round 19🇮🇳 INDIA73♣♥9=-1
-2.6Round 16🇬🇵 GUADELOUPE215♦♣A=+13
-2.6Round 16🇬🇵 GUADELOUPE223NT♣3+1+0
-2.7Round 11🇿🇦 SOUTH AFRICA133♦♦3=+0
-2.9Round 15🇯🇵 JAPAN133♥♦6=-7
-3.0Round 2🇸🇬 SINGAPORE173♥♦4=-1
-3.0Round 2🇸🇬 SINGAPORE282♠♦6+1+0
-3.0Round 5🇧🇬 BULGARIA93♠♣K-2-11
-3.0Round 8🇯🇴 JORDAN184♥♠6+1-4
-3.0Round 8🇯🇴 JORDAN273NT♠6=+0
-3.0Round 11🇿🇦 SOUTH AFRICA114♥♥3=+1
-3.0Round 17🇵🇱 POLAND134♣♥K=-7
-3.1Round 10🇺🇸 USA1223♠♦J-1-5
-3.1Round 11🇿🇦 SOUTH AFRICA44♥♠6+1+0
-3.2Round 15🇯🇵 JAPAN104♥♠4-1-12
-3.4Round 16🇬🇵 GUADELOUPE313NT♥6=+1
-3.5Round 1🇧🇷 BRAZIL13NT♣4-2-6
-3.5Round 2🇸🇬 SINGAPORE243♥♥J-1+2
-3.7Round 11🇿🇦 SOUTH AFRICA64♠♣Q=+1
-3.8Round 6🇫🇷 FRANCE254♠♣8-2-11
-3.8Round 8🇯🇴 JORDAN245♣x♥J-1-5
-3.9Round 11🇿🇦 SOUTH AFRICA35♦♠6-1+8
-4.0Round 1🇧🇷 BRAZIL104♥♦6+3-17
-4.0Round 11🇿🇦 SOUTH AFRICA84♠♥4=+0
-4.1Round 6🇫🇷 FRANCE196♥♠K-1-13
-4.3Round 15🇯🇵 JAPAN66♠♣J+1-13
-4.3Round 16🇬🇵 GUADELOUPE291♠♣10=-5
-4.4Round 16🇬🇵 GUADELOUPE234♥♠Q+1-4
-4.5Round 17🇵🇱 POLAND95♦♥2=+13
-4.5Round 19🇮🇳 INDIA113NT♠6-2-11
-4.7Round 6🇫🇷 FRANCE274♠♠7=+0
-4.7Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♠♦K+1+0
-4.8Round 2🇸🇬 SINGAPORE225♣♥A-2-7
-5.0Round 5🇧🇬 BULGARIA33♠♦K=+0
-5.0Round 8🇯🇴 JORDAN203♦♠10-2-7
-5.0Round 19🇮🇳 INDIA53NT♣5-2-7
-5.3Round 1🇧🇷 BRAZIL114♥♥9+2-11
-5.5Round 1🇧🇷 BRAZIL163♠♣3=+0
-5.5Round 14🇨🇳 CHINA303NT♣10=+0
-5.9Round 5🇧🇬 BULGARIA151NTx♥2-4-4
-5.9Round 17🇵🇱 POLAND24♠x♥K-1-9
-6.5Round 17🇵🇱 POLAND163NT♠2+2-1
-6.9Round 16🇬🇵 GUADELOUPE282NT♥J+1-1
-7.0Round 8🇯🇴 JORDAN283♥x♠A-4+12
-7.1Round 5🇧🇬 BULGARIA66♣♥2=-3
-7.1Round 17🇵🇱 POLAND124♥♦2-1-12
-7.9Round 2🇸🇬 SINGAPORE182♥♦J+5-15
-8.0Round 1🇧🇷 BRAZIL26♥♠2=+13
-8.1Round 2🇸🇬 SINGAPORE324♥xx♦J-1-12
-8.2Round 1🇧🇷 BRAZIL153♣x♥J-3-8
-8.3Round 2🇸🇬 SINGAPORE266NT♣3-2-13
-9.1Round 14🇨🇳 CHINA315♣♠K-1-12
-9.3Round 2🇸🇬 SINGAPORE216♦♠K-2-12
-9.9Round 10🇺🇸 USA1246♠♥A=-5
-10.5Round 14🇨🇳 CHINA202♠x♦6-5-1
-12.5Round 17🇵🇱 POLAND103NT♦5-1-13
-15.0Round 2🇸🇬 SINGAPORE233♦xx♠8+2-14