🇨🇳 ZHANG Yu · CHINA

109rank
-99.8Butler · 176 bds
-0.57per board
±4.5swing
-1.28vs par /bd · #122/129
-0.57adjusted /bd
Butler per round: -36.9 -4.1 -23.2 -14.2 24.7 -5.6 1.3 -14.7 -10.3 -10 -6.8by round

vs par split: bidding -1.35 · play +0.00

Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted -0.57/bd

Card play — on target: opening leads 76.3% #114 of 129 · declarer play 78.0% #34 of 129 · defence 83.8% #86 of 129

Card play by contract type — on target
vs NTvs a suit
Opening leads87.5% (8)73.3% (30)
Declarer play78.6% (14)77.8% (36)
Defence68.4% (19)88.5% (61)

Opening leads by suit led: ♠ 70.0% (10) · ♥ 88.9% (9) · ♦ 69.2% (13) · ♣ 83.3% (6)

vs par by strain: NT -1.38 (45) · a suit -1.28 (130)

vs par by level: part-score +0.21 (68) · game -1.56 (93) · slam -7.00 (14)

By role: declaring -0.12/bd (-3.41 vs par · 95) · defending -1.09/bd (+1.21 vs par · 81)

By vulnerability: vulnerable -0.72/bd (-1.62 vs par · 88) · not vulnerable -0.41/bd (-0.94 vs par · 88)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2X.FengM.Wortel – M.MichielsenOpen16-36.9-2.31-3.62
Round 3X.FengA.Smalinsky – I.ElkinClosed16-4.1-0.26-1.31
Round 4X.FengM.Modlin – E.GolanOpen16-23.2-1.45-1.12
Round 8X.FengA.Garcia – S.FabbricatoreClosed16-14.2-0.89-1.50
Round 11X.FengN.Djurovic – E.HavasOpen16+24.7+1.54-0.12
Round 12X.FengM.Khouri – N.WattarOpen16-5.6-0.35-0.75
Round 13X.FengI.Levitina – K.SanbornOpen16+1.3+0.08+1.12
Round 14X.FengJ.Neve – C.D'OvidioOpen16-14.7-0.92-4.25
Round 16X.FengA.Mandelot – H.NogueiraOpen16-10.3-0.64+0.25
Round 17X.FengK.Shimamura – M.SatoOpen16-10.0-0.62-2.00
Round 20X.FengS.Singla – M.BakshiClosed16-6.8-0.42-0.81

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 11🇦🇺 AUSTRALIA146♠♣K+1-11
+11.1Round 11🇦🇺 AUSTRALIA34♥=+11
+10.4Round 20🇮🇳 INDIA183NT♥A=+0
+9.6Round 17🇯🇵 JAPAN104♠♥7=+10
+9.4Round 17🇯🇵 JAPAN84♥♣K=+7
+8.7Round 3🇦🇷 ARGENTINA24♥♣Q=+11
+8.5Round 11🇦🇺 AUSTRALIA153NT♦10=+0
+7.9Round 3🇦🇷 ARGENTINA104♠♦8=+0
+7.8Round 20🇮🇳 INDIA312♦♠4+1+8
+6.5Round 14🇫🇷 FRANCE195♣♦J=-1
+6.4Round 14🇫🇷 FRANCE293NT♣4-2+13
+6.0Round 12🇪🇬 EGYPT173NT♣6+1+0
+6.0Round 13🇺🇸 USA114♦♣A-2+11
+5.8Round 20🇮🇳 INDIA254♥♣A+1+1
+5.4Round 13🇺🇸 USA1144♥♠10=+11
+5.3Round 8🇬🇵 GUADELOUPE214♣♦A-3+5
+4.8Round 17🇯🇵 JAPAN42♥♣2+3+10
+4.2Round 13🇺🇸 USA191NT♣3+3+1
+4.1Round 4🇿🇦 SOUTH AFRICA312♥♦J-1+5
+3.9Round 3🇦🇷 ARGENTINA51NT♦7=+5
+3.8Round 4🇿🇦 SOUTH AFRICA296♦♦A-1+6
+3.6Round 13🇺🇸 USA143♣♦Q+1+0
+3.5Round 8🇬🇵 GUADELOUPE293♠♣J-2+3
+3.3Round 2🇳🇱 NETHERLANDS213♠♠4=+1
+3.3Round 16🇧🇷 BRAZIL224♠♥T-3+9
+3.1Round 16🇧🇷 BRAZIL241♠♥T+1+0
+3.0Round 12🇪🇬 EGYPT204♥♠J=-1
+2.9Round 16🇧🇷 BRAZIL252♣♦Q+2+1
+2.8Round 14🇫🇷 FRANCE214♠x♥A-3-12
+2.7Round 16🇧🇷 BRAZIL183♥♦2+1+6
+2.6Round 12🇪🇬 EGYPT262NT♠4-1+12
+2.4Round 3🇦🇷 ARGENTINA36♣♠A=-2
+2.4Round 17🇯🇵 JAPAN32NT♥6-1+5
+2.3Round 2🇳🇱 NETHERLANDS274♥♦6+1+0
+2.3Round 3🇦🇷 ARGENTINA143NT♠8+2+10
+2.2Round 12🇪🇬 EGYPT226♥♦5+1+1
+2.2Round 20🇮🇳 INDIA19Pass+3
+2.0Round 4🇿🇦 SOUTH AFRICA173♠♣A-2+0
+2.0Round 4🇿🇦 SOUTH AFRICA203♥♠3-1+6
+2.0Round 8🇬🇵 GUADELOUPE174♥♣A-2+5
+1.8Round 12🇪🇬 EGYPT233NT♠3+1-1
+1.8Round 17🇯🇵 JAPAN66♦♠3+1-2
+1.7Round 2🇳🇱 NETHERLANDS282♦♣7-1+2
+1.7Round 11🇦🇺 AUSTRALIA162♠♦2+1+2
+1.7Round 12🇪🇬 EGYPT322NT♠5=-1
+1.7Round 13🇺🇸 USA162♦♠2-1+0
+1.7Round 13🇺🇸 USA1154♠♣A-1+6
+1.7Round 16🇧🇷 BRAZIL303NT♦Q=-1
+1.6Round 8🇬🇵 GUADELOUPE273NT♥8+3-10
+1.6Round 11🇦🇺 AUSTRALIA42♥+1+0
+1.6Round 12🇪🇬 EGYPT284♠♥5=-1
+1.5Round 4🇿🇦 SOUTH AFRICA252♣♦Q-3+0
+1.5Round 14🇫🇷 FRANCE273♥♦Q=+0
+1.5Round 16🇧🇷 BRAZIL313♦♠2+1+7
+1.3Round 4🇿🇦 SOUTH AFRICA222♠♦6-2-1
+1.3Round 8🇬🇵 GUADELOUPE203♣♠8-1+6
+1.2Round 3🇦🇷 ARGENTINA134♠♥10+1+0
+1.0Round 11🇦🇺 AUSTRALIA93NT♠6=+2
+1.0Round 11🇦🇺 AUSTRALIA123♠♦J-1-1
+1.0Round 11🇦🇺 AUSTRALIA134♥♠A-1+9
+0.9Round 2🇳🇱 NETHERLANDS292♥♠5+2+10
+0.9Round 11🇦🇺 AUSTRALIA53NT+1+0
+0.8Round 2🇳🇱 NETHERLANDS264♥♦J+1+0
+0.8Round 3🇦🇷 ARGENTINA163NT♥8+3-11
+0.8Round 13🇺🇸 USA174♠♦8=+1
+0.7Round 14🇫🇷 FRANCE244♥♦4=+0
+0.6Round 2🇳🇱 NETHERLANDS183NT♦Q+1+1
+0.6Round 12🇪🇬 EGYPT251♠♣4=+0
+0.6Round 12🇪🇬 EGYPT272NT♦A+2-6
+0.5Round 17🇯🇵 JAPAN22♠♦Q+3-5
+0.4Round 3🇦🇷 ARGENTINA73NT♦6+1+1
+0.4Round 4🇿🇦 SOUTH AFRICA244♠♥K+2-11
+0.4Round 11🇦🇺 AUSTRALIA81NT♠8+1+7
+0.4Round 13🇺🇸 USA154♥♠Q=+0
+0.3Round 8🇬🇵 GUADELOUPE254♠♦3=+1
+0.2Round 2🇳🇱 NETHERLANDS324♠♦Q+1+0
+0.2Round 12🇪🇬 EGYPT302♠♦K+4+11
+0.2Round 14🇫🇷 FRANCE223♠♥K-1-4
+0.2Round 14🇫🇷 FRANCE304NT♦3+2-11
+0.2Round 16🇧🇷 BRAZIL263NT♠K-1-6
+0.2Round 20🇮🇳 INDIA264♥♦2=+1
+0.1Round 3🇦🇷 ARGENTINA114♥♠6+1+0
+0.1Round 12🇪🇬 EGYPT193NT♦9+2+0
+0.1Round 20🇮🇳 INDIA241NT♥8+1+0
+0.0Round 3🇦🇷 ARGENTINA124♥♣K=+0
-0.0Round 4🇿🇦 SOUTH AFRICA264♠♦K=+1
+0.0Round 8🇬🇵 GUADELOUPE312♠♣K+1+0
-0.0Round 14🇫🇷 FRANCE254♠♥2+1+0
-0.1Round 12🇪🇬 EGYPT214♠♦K+1+0
-0.2Round 8🇬🇵 GUADELOUPE263NT♥10+2-13
-0.2Round 11🇦🇺 AUSTRALIA14♠=+1
-0.2Round 16🇧🇷 BRAZIL214♥♣A=-1
-0.2Round 16🇧🇷 BRAZIL322NT♠6+1+0
-0.2Round 17🇯🇵 JAPAN54♠♣8+1+0
-0.2Round 17🇯🇵 JAPAN143♠♥A=-7
-0.4Round 4🇿🇦 SOUTH AFRICA282♥♦7=+1
-0.4Round 17🇯🇵 JAPAN91NT♦Q+2-10
-0.5Round 11🇦🇺 AUSTRALIA103♣♦A+2-10
-0.6Round 20🇮🇳 INDIA304♠♣10=+0
-0.7Round 3🇦🇷 ARGENTINA13♥♠6+1-2
-0.7Round 3🇦🇷 ARGENTINA93NT♥8+2+13
-0.8Round 2🇳🇱 NETHERLANDS252♠♣Q+1+0
-0.9Round 8🇬🇵 GUADELOUPE233NT♠6+1-11
-0.9Round 20🇮🇳 INDIA173♦♠J+2+7
-1.0Round 2🇳🇱 NETHERLANDS224♥♦J+3-17
-1.0Round 8🇬🇵 GUADELOUPE241NT♠8+3+6
-1.0Round 13🇺🇸 USA186♥♥7=+11
-1.0Round 16🇧🇷 BRAZIL174♠♣9=+0
-1.2Round 17🇯🇵 JAPAN113NT♥Q-3-6
-1.3Round 4🇿🇦 SOUTH AFRICA233♠♣7-2-8
-1.3Round 8🇬🇵 GUADELOUPE284♠♦3+1+0
-1.3Round 12🇪🇬 EGYPT293♣♠2+1-2
-1.4Round 13🇺🇸 USA1114♥♠A+2-11
-1.4Round 16🇧🇷 BRAZIL231NT♦K-1+0
-1.4Round 16🇧🇷 BRAZIL292♠♥6-1+1
-1.5Round 11🇦🇺 AUSTRALIA61NT♣2-1-2
-1.6Round 11🇦🇺 AUSTRALIA112♠♦A=+1
-1.7Round 13🇺🇸 USA1104♠♥7=-3
-1.7Round 20🇮🇳 INDIA233♣♠J-1-6
-1.8Round 2🇳🇱 NETHERLANDS173NT♠9+2-1
-1.9Round 13🇺🇸 USA123NT♠3+2-1
-1.9Round 14🇫🇷 FRANCE173NT♠4+1-7
-1.9Round 14🇫🇷 FRANCE315♦♥3=-2
-2.2Round 8🇬🇵 GUADELOUPE225♦♥A-1+3
-2.2Round 14🇫🇷 FRANCE264♠♥K=+0
-2.3Round 11🇦🇺 AUSTRALIA72♥♠9+1+0
-2.3Round 14🇫🇷 FRANCE206♠♥8+1-13
-2.3Round 20🇮🇳 INDIA203NT♦Q=+1
-2.3Round 20🇮🇳 INDIA293NT♥K=+0
-2.5Round 4🇿🇦 SOUTH AFRICA213♥♣2-1+3
-2.5Round 17🇯🇵 JAPAN14♥♠3+1+0
-2.6Round 14🇫🇷 FRANCE324♠♣7+1+0
-2.7Round 4🇿🇦 SOUTH AFRICA302♥♠5+1+7
-2.8Round 8🇬🇵 GUADELOUPE194♠♦K-2-3
-2.9Round 13🇺🇸 USA1124♦♠A-1+2
-3.1Round 4🇿🇦 SOUTH AFRICA183♣♥K+1-1
-3.3Round 12🇪🇬 EGYPT184♠♥5=+0
-3.3Round 13🇺🇸 USA1165♦x♥A-2+0
-3.3Round 20🇮🇳 INDIA284♥♣A+2-12
-3.5Round 3🇦🇷 ARGENTINA153NT♠3-2-8
-3.6Round 8🇬🇵 GUADELOUPE303NT♥2+2-2
-4.0Round 2🇳🇱 NETHERLANDS244♥♦J+2-11
-4.1Round 20🇮🇳 INDIA322♥♦A-2-5
-4.3Round 17🇯🇵 JAPAN153♠♥A+1-6
-4.8Round 13🇺🇸 USA1134♠x♦A-1-2
-5.0Round 14🇫🇷 FRANCE286♥♦K+1-13
-5.0Round 16🇧🇷 BRAZIL272♠♣K+2-4
-5.0Round 16🇧🇷 BRAZIL284♥♠Q-2-2
-5.1Round 14🇫🇷 FRANCE184♦x♥K-2-8
-5.1Round 16🇧🇷 BRAZIL194♠♥Q=+0
-5.2Round 20🇮🇳 INDIA212♠♥Q-1-5
-5.5Round 13🇺🇸 USA133♠♦9-2-8
-5.8Round 17🇯🇵 JAPAN133NT♥3+2-2
-5.9Round 17🇯🇵 JAPAN73NT♠3-2-3
-6.0Round 20🇮🇳 INDIA223♣♦K=-6
-6.4Round 2🇳🇱 NETHERLANDS304♠♦10=+0
-6.4Round 16🇧🇷 BRAZIL202♠♥5=-6
-6.9Round 20🇮🇳 INDIA273NT♥10+1+0
-7.0Round 2🇳🇱 NETHERLANDS204♦♥Q-2-10
-7.0Round 3🇦🇷 ARGENTINA86NT♦8-1-14
-7.2Round 4🇿🇦 SOUTH AFRICA276♠♦3-1-11
-7.2Round 8🇬🇵 GUADELOUPE324♠♠9-2-13
-7.3Round 2🇳🇱 NETHERLANDS193NT♣3-2-12
-7.3Round 3🇦🇷 ARGENTINA44♠♠3=-10
-7.7Round 11🇦🇺 AUSTRALIA26♥+1-11
-8.2Round 2🇳🇱 NETHERLANDS317♣♥10-1-17
-9.0Round 8🇬🇵 GUADELOUPE184♥♠2+1-1
-9.0Round 17🇯🇵 JAPAN124♠♥Q-1-11
-9.0Round 17🇯🇵 JAPAN165♦♠A-1-12
-9.4Round 4🇿🇦 SOUTH AFRICA325♠x♥A-3-9
-9.4Round 12🇪🇬 EGYPT245♦x♠10+1-8
-10.2Round 2🇳🇱 NETHERLANDS234♥♠A+1-4
-11.7Round 4🇿🇦 SOUTH AFRICA196♥x♠K=-6
-11.9Round 12🇪🇬 EGYPT316♠♦A-1-16
-12.0Round 14🇫🇷 FRANCE235♥♦J+1-10
-12.6Round 3🇦🇷 ARGENTINA63♣x♣7=-14