WOLPERT Jenny · ZHANG

38rank
+36.5Butler · 140 bds
+0.26per board
±4.8swing
+0.83vs par /bd · #12/128
+0.24adjusted /bd
Butler per round: -4.9 -17.1 -9.1 3.2 -22.6 33.4 29.2 16.1 7.1 1.2by round

vs par split: bidding +0.84 · play -0.01

Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted +0.24/bd

Card play — on target: opening leads 76.2% #68 of 128 · declarer play 75.0% #58 of 128 · defence 78.7% #121 of 128

Bidding activity — not a pass: 41.2% #94 of 128 (165/400)

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)78.1% (32)
Declarer play77.8% (9)73.9% (23)
Defence77.8% (18)78.9% (57)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 84.6% (13) · ♦ 72.7% (11) · ♣ 58.3% (12)

vs par by strain: NT +0.38 (34) · a suit +0.97 (106)

vs par by level: part-score -1.36 (42) · game +1.25 (87) · slam +5.82 (11)

By role: declaring +0.25/bd (-2.19 vs par · 65) · defending +0.27/bd (+3.44 vs par · 75)

By vulnerability: vulnerable +0.29/bd (+1.16 vs par · 70) · not vulnerable +0.24/bd (+0.50 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1I.GronkvistP.Ling – T.TangOpen14-4.9-0.35+0.14
Round 3I.GronkvistL.De Wijs – S.De WijsClosed14-17.1-1.22+0.21
Round 4I.GronkvistJ.Ding – H.ZhangOpen14-9.1-0.65+0.14
Round 6I.GronkvistY.Li – Y.WangClosed14+3.2+0.23+1.93
Round 7I.GronkvistD.Lucka – N.SuszanowiczOpen14-22.6-1.61-1.64
Round 8I.GronkvistR.O'Keeffe-Brown – G.PenderOpen14+33.4+2.39+1.07
Round 9I.GronkvistI.Czajka – E.WaniurskaClosed14+29.2+2.09-0.21
Round 10I.GronkvistS.Yavuz – S.OrmanOpen14+16.1+1.15+2.86
Round 11I.GronkvistA.Sarniak – D.KazmuchaClosed14+7.1+0.51+1.43
Round 12I.GronkvistP.Shao – P.WangClosed14+1.2+0.09+2.36

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
+11.7Round 3AVENGERS53NT♥4-2+13
+11.6Round 10FOCA214♥x♠K-4+12
+11.6Round 12JIANGSU RUNTAI186♥♥6-1+14
+10.9Round 7FIVE OF HEARTS16♠♥6-1+11
+10.5Round 6CHINA276♦♥6=+0
+9.7Round 10FOCA193NT♣Q-2+13
+9.5Round 9NIC147♠♣6=+0
+9.3Round 10FOCA284♠x♣5-2+12
+8.0Round 9NIC74♥♣6-2+7
+7.8Round 9NIC85♥♦6-2+9
+7.7Round 1HONG KONG LADIES124♥♦K-1+10
+7.7Round 11CASTOLDI26♥♦6-2+11
+7.1Round 9NIC132♥♣6=+0
+6.7Round 3AVENGERS64♠♦K=+8
+6.5Round 8TEAM GREEN264♥♠7+2+1
+6.4Round 10FOCA184♠♥9-1+10
+5.6Round 8TEAM GREEN153♠♥2-3+6
+5.5Round 6CHINA154♠♥K=+11
+5.3Round 8TEAM GREEN234♥x♠8-2+8
+5.2Round 1HONG KONG LADIES93♠♥T-1+10
+5.2Round 11CASTOLDI145♦x♠7-2+0
+5.1Round 9NIC123NT♥J-1+6
+4.7Round 11CASTOLDI75♣♥4-1+6
+4.5Round 10FOCA154♦♥T-2-1
+4.4Round 4YUNNAN173NT♠T+4+2
+4.3Round 9NIC114♥♦Q=+0
+4.1Round 8TEAM GREEN275♣♥J=+3
+3.8Round 12JIANGSU RUNTAI224♥x♦J=+9
+3.7Round 7FIVE OF HEARTS113NT♥Q-2+6
+3.5Round 8TEAM GREEN203NT♣T+2+0
+3.4Round 1HONG KONG LADIES53NT♠5-1+5
+3.3Round 1HONG KONG LADIES74♠♥3-1+12
+3.3Round 4YUNNAN153NT♥6+1+0
+3.3Round 6CHINA176♦♠A-1+8
+3.1Round 1HONG KONG LADIES144♠♦3-2+5
+2.9Round 8TEAM GREEN214♠♥3=+3
+2.7Round 4YUNNAN233NT♥T-1+12
+2.7Round 7FIVE OF HEARTS44♠♣A-1+12
+2.7Round 11CASTOLDI113♦♦4=+0
+2.7Round 12JIANGSU RUNTAI153NT♣J-1+11
+2.6Round 9NIC92♥♠7+2-6
+2.5Round 8TEAM GREEN182NT♣T-1+4
+2.3Round 3AVENGERS24♠♦4-1+12
+2.3Round 6CHINA243NT♠J=+0
+2.1Round 6CHINA252♥♣J=-1
+2.0Round 8TEAM GREEN286♠♦8+1+11
+1.9Round 12JIANGSU RUNTAI285♣♠K+2+14
+1.8Round 12JIANGSU RUNTAI213NT♣Q+2+0
+1.6Round 8TEAM GREEN174♠♥Q+2-8
+1.5Round 7FIVE OF HEARTS52♠♣K+2+1
+1.4Round 8TEAM GREEN244♠♥9=-1
+1.3Round 4YUNNAN222♠♣5-1+4
+1.3Round 7FIVE OF HEARTS23NT♠9+3-10
+1.3Round 11CASTOLDI15♦x♠K-1+0
+1.2Round 8TEAM GREEN193♦♦4+1+0
+1.2Round 10FOCA163NT♦4+3+1
+1.0Round 6CHINA281♦♣A-2-1
+1.0Round 8TEAM GREEN251NT♠3=-1
+1.0Round 11CASTOLDI123NT♥Q+1+14
+0.9Round 4YUNNAN244♠♣5-1+10
+0.9Round 12JIANGSU RUNTAI232♦♣J+2+0
+0.7Round 9NIC13♠♦4-1+8
+0.6Round 11CASTOLDI55♥♠K-1+6
+0.5Round 4YUNNAN185♠♣A+2+12
+0.5Round 7FIVE OF HEARTS34♠♦J-1-2
+0.4Round 6CHINA203♣♠A-1+11
+0.4Round 12JIANGSU RUNTAI163NT♥4+1+1
+0.3Round 1HONG KONG LADIES102♥♦J+2-10
+0.3Round 9NIC63♠♦A-1+11
+0.2Round 6CHINA223NT♥6+1-1
+0.2Round 9NIC24♥♦4=-11
+0.2Round 12JIANGSU RUNTAI173NT♥Q+3-11
+0.1Round 11CASTOLDI92♥♠4+2+8
-0.0Round 3AVENGERS72♠♣5-1+0
+0.0Round 10FOCA274♠♣3=+0
-0.0Round 11CASTOLDI83NT♦Q=-1
-0.1Round 3AVENGERS102♠♥5+1+10
-0.1Round 10FOCA264♠♥A+1+0
-0.2Round 8TEAM GREEN164♥♣K+2-11
-0.3Round 9NIC104♥♦J=+0
-0.3Round 11CASTOLDI33♦♦4-2+0
-0.4Round 7FIVE OF HEARTS63♣♦J+1+0
-0.4Round 10FOCA224♠♦3+1-4
-0.5Round 1HONG KONG LADIES114♠♣J=+1
-0.5Round 6CHINA193NT♠6+1+0
-0.8Round 11CASTOLDI63NT♣T+1+0
-0.9Round 12JIANGSU RUNTAI204♥♠K-1-6
-1.0Round 3AVENGERS13NT♦4=+0
-1.0Round 4YUNNAN284♠♥J+1+0
-1.0Round 9NIC54♠♦K-1-12
-1.1Round 10FOCA175♥x♣Q-2+5
-1.2Round 4YUNNAN193♦♣6+2-10
-1.2Round 9NIC33♦♥7+1+0
-1.3Round 3AVENGERS124♠♣A-2-5
-1.4Round 4YUNNAN213♣♠A-1-4
-1.5Round 12JIANGSU RUNTAI263♣♦6-1-5
-1.8Round 1HONG KONG LADIES46♠♥T=+13
-1.9Round 4YUNNAN163NT♣5+2-1
-1.9Round 6CHINA233NT♣Q+2+0
-2.0Round 7FIVE OF HEARTS102♦♣J+2-11
-2.1Round 4YUNNAN252♠♣J+1+0
-2.2Round 3AVENGERS132♥♦5=+0
-2.5Round 6CHINA215♣♠2-2-2
-2.6Round 12JIANGSU RUNTAI243♠♣A-4-2
-2.7Round 10FOCA254♥♣6-2+0
-2.8Round 1HONG KONG LADIES12♠♦K-2+0
-3.0Round 1HONG KONG LADIES83♠♥5=+0
-3.2Round 3AVENGERS145♦x♠K-3-5
-3.3Round 7FIVE OF HEARTS93NT♣4-2-7
-3.3Round 12JIANGSU RUNTAI252♠♣8-1-5
-3.4Round 11CASTOLDI134♠♣4-1-6
-3.5Round 3AVENGERS84♣♠J-1-4
-3.6Round 1HONG KONG LADIES22♠♣2=-13
-4.0Round 6CHINA184♥♣Q=+11
-4.0Round 8TEAM GREEN224♠♥6=+0
-4.0Round 11CASTOLDI103NT♦Q+2-1
-4.2Round 1HONG KONG LADIES133NT♠5=-10
-4.5Round 3AVENGERS44♥♠Q-1-6
-4.5Round 12JIANGSU RUNTAI276♥♠J=+0
-4.6Round 4YUNNAN202♥♦Q-4-7
-4.7Round 3AVENGERS93NT♣T-4-11
-4.7Round 4YUNNAN263♣♣4+1-10
-4.9Round 10FOCA244♠♣A+2-1
-5.3Round 4YUNNAN272♥♣K-3-6
-5.6Round 1HONG KONG LADIES34♥♠2=-10
-5.9Round 7FIVE OF HEARTS123NT♥4=+1
-6.0Round 6CHINA262♥♣Q=-12
-6.3Round 7FIVE OF HEARTS83NT♥9=-7
-6.4Round 1HONG KONG LADIES64♠♦6=-11
-7.1Round 7FIVE OF HEARTS74♥♠K=+1
-7.2Round 6CHINA164♥♣7+2+3
-7.6Round 3AVENGERS34♥x♠A+2+5
-7.7Round 11CASTOLDI46♦♥J-2-17
-8.0Round 10FOCA204♥♣8-1-6
-8.3Round 7FIVE OF HEARTS132♣♥A+1-6
-9.3Round 12JIANGSU RUNTAI196♠♣5=+13
-9.4Round 10FOCA233NT♣K+2-1
-9.7Round 3AVENGERS114NT♠T+2-14
-9.9Round 7FIVE OF HEARTS145♦♠K-3-12
-13.9Round 9NIC42♠x♣K=-15