HACKETT Justin · MAHAFFEY

485rank
-24.6Butler · 120 bds
-0.20per board
±4.2swing
-0.48vs par /bd · #505/672
-0.11adjusted /bd
Butler per round: -4.3 4.3 4.9 -10.7 -15.8 2.2 4.5 -17.2 17.8 9.3 -1.8 -17.8by round

vs par split: bidding -0.84 · play +0.44

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.11/bd

Card play — on target: opening leads 91.2% #84 of 671 · declarer play 92.3% #47 of 671 · defence 87.0% #264 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·91.2% (34)
Declarer play·92.3% (13)
Defence·87.0% (46)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 75.0% (8) · ♦ 100.0% (14) · ♣ 87.5% (8)

vs par by strain: a suit -0.40 (85)

vs par by level: part-score -0.46 (39) · game -0.56 (43) · slam +2.67 (3)

By role: declaring +0.58/bd (-1.50 vs par · 60) · defending -0.99/bd (+0.53 vs par · 60)

By vulnerability: vulnerable -0.31/bd (-0.50 vs par · 60) · not vulnerable -0.10/bd (-0.47 vs par · 60)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3P.HackettC.Balicki – A.ZmudzinskiOpen10-4.3-0.43-2.20
Round 4P.HackettS.Ruso – P.PecinaOpen10+4.3+0.43+0.30
Round 5P.HackettQ.Yang – Y.QiOpen10+4.9+0.49+1.10
Round 7P.HackettC.Mariani – L.BurgayOpen10-10.7-1.07-0.10
Round 8P.HackettX.Jiang – F.ShiClosed10-15.8-1.58-1.30
Round 9P.HackettT.Aluf – M.PisakClosed10+2.2+0.22+1.00
Round 10P.HackettW.Zhang – X.LiOpen10+4.5+0.45+1.40
Round 11P.HackettW.Stuart – G.VenkateshOpen10-17.2-1.72-2.70
Round 12P.HackettD.Yen – N.ShenOpen10+17.8+1.78+0.70
Round 13P.HackettK.Gjaldbaek – M.AskgaardOpen10+9.3+0.93-3.30
Round 14P.HackettR.Kutner – N.BuchlevOpen10-1.8-0.18+2.10
Round 15P.HackettT.Bessis – M.BessisClosed10-17.8-1.78-2.80

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
+12.4Round 14MUNICH136♠♣K=+14
+12.2Round 8SHANGHAI JIANQIAO114♥x♣2=+13
+8.2Round 9MANT274♠♥7=+7
+8.2Round 13DENNOR44♠♦6-1+13
+7.8Round 10YUNNAN DIKUANG83N♦4=+10
+7.6Round 12RIGHT CALL223N♥4+2+8
+7.2Round 4SVER43N♣K=-1
+6.5Round 12RIGHT CALL243N♣4=+11
+5.5Round 13DENNOR63N♥6+1-11
+5.1Round 9MANT292♠♦7=+6
+4.5Round 3RUSSIA263♠♦Q+1+4
+4.4Round 15ZIMMERMANN213N♦4-1+5
+4.3Round 9MANT214♥♦J=+5
+4.2Round 5YANG JING192♠♥2+1+6
+3.9Round 11TEXAN ACES133♣♥Q-2+3
+3.7Round 10YUNNAN DIKUANG41N♣6-2+7
+3.5Round 12RIGHT CALL292♠♦K=+5
+3.4Round 4SVER14♥♥5-3+6
+3.3Round 3RUSSIA303N♠J=-6
+3.2Round 11TEXAN ACES143♦♥Q+3+15
+3.1Round 12RIGHT CALL274♥♦Q+1-5
+3.0Round 14MUNICH152♠♦A=+6
+2.9Round 9MANT303♠♠J+2+2
+2.9Round 11TEXAN ACES154♠♣A-1-2
+2.8Round 12RIGHT CALL261N♦5+1+6
+2.7Round 4SVER51N♠3-2+0
+2.6Round 7BURGAY21N♠10-1+5
+2.5Round 4SVER92♠♣3=+0
+2.5Round 10YUNNAN DIKUANG102♦♠J-2+2
+2.3Round 5YANG JING184♠♣3-1+5
+2.1Round 4SVER103♣♠7=+0
+2.0Round 10YUNNAN DIKUANG12♦♥J=+5
+1.9Round 5YANG JING154♥♣4+1+11
+1.8Round 7BURGAY31N♣A-1+10
+1.7Round 3RUSSIA224N♠A+1-4
+1.6Round 5YANG JING204♥♣2+1+0
+1.5Round 13DENNOR53N♠2+3-12
+1.5Round 14MUNICH191N♠5+2+6
+1.4Round 5YANG JING171N♠2-1+4
+1.4Round 10YUNNAN DIKUANG64♠♣A+1+1
+1.3Round 12RIGHT CALL304♥♦K-1+5
+1.1Round 8SHANGHAI JIANQIAO162♠♥Q+1+0
+1.0Round 5YANG JING142♦♣5+1+0
+1.0Round 13DENNOR83N♠7+2-14
+0.8Round 5YANG JING121♠♦K=+1
+0.8Round 7BURGAY94♥♣6+2-11
+0.7Round 9MANT231N♥4=+1
+0.5Round 3RUSSIA241N♠3+2+0
+0.5Round 13DENNOR103♦♦9=+1
+0.4Round 14MUNICH171N♥8=+1
+0.3Round 7BURGAY102♥♦K=+1
+0.3Round 10YUNNAN DIKUANG54♠♥4+2+11
+0.3Round 12RIGHT CALL285♦x♦6-2-4
+0.2Round 12RIGHT CALL253N♥5+1-5
-0.0Round 13DENNOR94♠♥A+1+0
-0.1Round 7BURGAY14♥♣A=-1
-0.2Round 10YUNNAN DIKUANG71N♦5=-9
-0.2Round 11TEXAN ACES194♠♥8=+0
-0.2Round 13DENNOR34♠♥A=-1
-0.2Round 15ZIMMERMANN224♠♠2+1-5
-0.3Round 3RUSSIA211N♥5+1-1
-0.3Round 3RUSSIA252♠♦4-2+0
-0.4Round 4SVER73♣♥2=+1
-0.4Round 13DENNOR74♥♣A=+1
-0.5Round 3RUSSIA295♦♥K=+2
-0.5Round 12RIGHT CALL235♦♠6-1-6
-0.5Round 15ZIMMERMANN282♣♠4-2-2
-0.8Round 7BURGAY44♥♦7+1+0
-0.9Round 4SVER23N♣2+2-1
-0.9Round 7BURGAY64♥♣J+1+0
-0.9Round 8SHANGHAI JIANQIAO134♠♠2+2-7
-0.9Round 9MANT244♥♦4=+5
-0.9Round 11TEXAN ACES203N♠5+2-13
-1.0Round 15ZIMMERMANN294♠♣K=+0
-1.2Round 4SVER84♦♥3-1-3
-1.2Round 10YUNNAN DIKUANG32♠♥3+2-1
-1.2Round 13DENNOR14♠♥Q=+0
-1.2Round 15ZIMMERMANN232N♥2-1-5
-1.3Round 5YANG JING112♠♦A=-5
-1.4Round 8SHANGHAI JIANQIAO192♠♦A-1+2
-1.5Round 8SHANGHAI JIANQIAO173N♠8+1+5
-1.5Round 8SHANGHAI JIANQIAO182♠♦Q=+0
-1.6Round 7BURGAY84N♣6-2+5
-1.6Round 14MUNICH113♠♥10-2-5
-2.0Round 11TEXAN ACES183♠♥6-1+0
-2.1Round 8SHANGHAI JIANQIAO142♥♥2+1-1
-2.1Round 14MUNICH182♥♥3+2-6
-2.1Round 14MUNICH205♣♥A=+1
-2.2Round 9MANT252♦♥A-3+0
-2.3Round 3RUSSIA234♠♥10+1+0
-2.4Round 4SVER33N♠2+2+0
-2.4Round 14MUNICH164♠♥6=+0
-2.7Round 3RUSSIA273N♠Q-1-5
-2.7Round 5YANG JING134♣♥J=-7
-2.7Round 9MANT262N♦7+1+0
-2.7Round 15ZIMMERMANN274♥♠2-1-5
-2.8Round 11TEXAN ACES122♥♦K-2-11
-2.8Round 11TEXAN ACES173♠♣Q-2-5
-3.2Round 14MUNICH122♠♠5+1-6
-3.4Round 11TEXAN ACES113N♥Q+1+0
-3.4Round 15ZIMMERMANN261Nx♠7-1-2
-3.7Round 8SHANGHAI JIANQIAO154♥♠J-1-6
-3.8Round 7BURGAY73♠♠Q=+0
-4.0Round 15ZIMMERMANN243♣♠Q-2+0
-4.3Round 5YANG JING162♥x♥9-2-4
-4.4Round 15ZIMMERMANN256♠♥Q-1-16
-4.8Round 15ZIMMERMANN304♥♠10=+2
-5.2Round 10YUNNAN DIKUANG94♥♠2=-8
-5.6Round 13DENNOR22♥♣2+2-10
-6.1Round 9MANT284♠x♣A-2-11
-6.6Round 10YUNNAN DIKUANG25♦x♥K=-4
-7.0Round 12RIGHT CALL214♥♣5+1-8
-7.1Round 9MANT224♠♦6=-5
-7.7Round 14MUNICH146♠♦7=+10
-8.2Round 3RUSSIA283N♠4-2-12
-8.3Round 8SHANGHAI JIANQIAO123N♦4+1-7
-8.7Round 4SVER64♠♣10=+1
-9.0Round 7BURGAY55♠x♦Q=-10
-9.7Round 8SHANGHAI JIANQIAO202♥♣5-1-12
-15.1Round 11TEXAN ACES165♦x♦Q-7-14