🇨🇳 ZHANG Yalan · CHINA

15rank
+137.9Butler · 224 bds
+0.62per board
±4.6swing
+0.95vs par /bd · #5/130
+0.51adjusted /bd
Butler per round: 16 13.8 17.6 1.2 24.3 2.3 68 -31.3 15.1 29.7 5.8 -13.8 -5.5 -5.3by round

vs par split: bidding +1.13 · play +0.14

Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted +0.51/bd

Card play — on target: opening leads 81.6% #59 of 130 · declarer play 84.6% #15 of 130 · defence 90.1% #38 of 130

Card play by contract type — on target
vs NTvs a suit
Opening leads·81.6% (38)
Declarer play·84.6% (39)
Defence·90.1% (81)

Opening leads by suit led: ♠ 84.6% (13) · ♥ 75.0% (8) · ♦ 71.4% (7) · ♣ 90.0% (10)

vs par by strain: a suit +1.27 (145)

vs par by level: part-score +1.15 (48) · game +1.11 (83) · slam +2.64 (14)

By role: declaring +1.37/bd (-1.15 vs par · 102) · defending -0.01/bd (+2.71 vs par · 122)

By vulnerability: vulnerable +0.44/bd (+0.39 vs par · 112) · not vulnerable +0.80/bd (+1.51 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1L.GuA.Raythatha – G.LakhaniClosed16+16.0+1.00+0.69
Round 3L.GuA.Simons – J.PasmanClosed16+13.8+0.86+0.56
Round 4L.GuN.Wattar – N.HamdyOpen16+17.6+1.10+1.81
Round 6L.GuD.Gaviard – C.SaulOpen16+1.2+0.07-0.38
Round 7L.GuB.Clinton – J.EatonOpen16+24.3+1.52+1.81
Round 9L.GuK.Endo – Z.LamClosed16+2.3+0.14+1.19
Round 10L.GuF.Herrera – E.AlegreClosed16+68.0+4.25+3.44
Round 12L.GuI.Grumm – T.WeigkrichtClosed16-31.3-1.96+0.12
Round 13L.GuA.Oliveira – T.RamalhoOpen16+15.1+0.94+0.31
Round 14L.GuR.Goldenfield – M.BrunnerClosed16+29.7+1.86+1.25
Round 16L.GuA.Amano – M.SekizawaOpen16+5.8+0.36-0.12
Round 18L.GuK.Bertheau – C.MidskogClosed16-13.8-0.86+1.44
Round 19L.GuA.Mandelot – M.MachadoOpen16-5.5-0.34+0.56
Round 21L.GuD.Rosenberg – J.StansbyClosed16-5.3-0.33+0.62

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
+14.2Round 10🇦🇷 ARGENTINA36♥♠A=+0
+13.0Round 21🇺🇸 USA 127♦♣8=+0
+12.8Round 4🇪🇬 EGYPT24♥♦5=+14
+12.7Round 10🇦🇷 ARGENTINA46♦♦9+1+1
+10.8Round 1🇮🇳 INDIA53N♠10=+10
+10.6Round 1🇮🇳 INDIA86♠♣A-2+11
+10.1Round 21🇺🇸 USA 1163N♥6+2+13
+9.4Round 13🇵🇹 PORTUGAL123N♠7=+11
+9.3Round 1🇮🇳 INDIA153N♠10=+3
+8.2Round 4🇪🇬 EGYPT95♥♦Q-1+12
+8.0Round 21🇺🇸 USA 154♥♠5-1+12
+7.8Round 21🇺🇸 USA 174♠♥K-2+13
+7.4Round 18🇸🇪 SWEDEN147N♥3=+0
+7.2Round 10🇦🇷 ARGENTINA123N♠7=+6
+7.0Round 10🇦🇷 ARGENTINA114♥♠5-1+4
+7.0Round 18🇸🇪 SWEDEN135♦x♥K=+6
+6.9Round 16🇯🇵 JAPAN93♦♠J-2+11
+6.8Round 10🇦🇷 ARGENTINA14♠♣5-2+9
+6.7Round 1🇮🇳 INDIA117♠♦K=+0
+6.7Round 12🇦🇹 AUSTRIA114♠♦2-1+10
+6.7Round 13🇵🇹 PORTUGAL104♠♦A+1+0
+6.5Round 7🇨🇦 CANADA123N♠3+1+7
+6.3Round 10🇦🇷 ARGENTINA83N♦5=+7
+5.9Round 12🇦🇹 AUSTRIA106♥♦A-2+13
+5.8Round 16🇯🇵 JAPAN62♣x♥2-2+5
+5.7Round 10🇦🇷 ARGENTINA144♥♦9+1+4
+5.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23N♥3-1+5
+5.6Round 13🇵🇹 PORTUGAL44♠♣J-2+8
+5.3Round 9🇸🇬 SINGAPORE166♣♠2-2+13
+5.2Round 1🇮🇳 INDIA33♦x♠7-2+3
+5.2Round 3🇳🇱 NETHERLANDS155♠♣A=+8
+5.2Round 10🇦🇷 ARGENTINA151Nx♥4+1-3
+5.1Round 4🇪🇬 EGYPT73N♣Q-1+6
+5.0Round 13🇵🇹 PORTUGAL14♠♦10-1+5
+4.9Round 10🇦🇷 ARGENTINA104♠♠2+2+13
+4.7Round 9🇸🇬 SINGAPORE143♣♠Q+1+8
+4.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠♥K+1+0
+4.6Round 7🇨🇦 CANADA153♠♠4+1+10
+4.5Round 9🇸🇬 SINGAPORE104♠♦4=+0
+4.5Round 9🇸🇬 SINGAPORE152♥♣A=+0
+4.5Round 21🇺🇸 USA 1105♥♦Q+1+13
+4.2Round 18🇸🇪 SWEDEN86♣♥7-1+11
+4.0Round 6🇫🇷 FRANCE63♦♠K-2+2
+4.0Round 18🇸🇪 SWEDEN91N♦9-1+5
+3.9Round 1🇮🇳 INDIA132♠♥Q+2+1
+3.9Round 6🇫🇷 FRANCE103N♥J+1+1
+3.9Round 7🇨🇦 CANADA23♠♠Q+1+10
+3.9Round 21🇺🇸 USA 1153N♦6+2+2
+3.8Round 7🇨🇦 CANADA163♠♣7+2+6
+3.7Round 4🇪🇬 EGYPT123N♠3-3+7
+3.6Round 7🇨🇦 CANADA64♠♣K-1+10
+3.6Round 19🇧🇷 BRAZIL84♠♣A-1+5
+3.5Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♦A=-10
+3.5Round 16🇯🇵 JAPAN154♥♦J-1+5
+3.3Round 4🇪🇬 EGYPT83N♥Q-3+11
+3.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND141N♣Q+1+1
+3.2Round 7🇨🇦 CANADA132♥♣Q=+0
+3.2Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♥♠10+1+0
+3.1Round 3🇳🇱 NETHERLANDS163N♣10=+6
+3.1Round 7🇨🇦 CANADA85♦♠A+1+3
+3.1Round 10🇦🇷 ARGENTINA133N♣4-2+7
+3.1Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND91N♣3+3+6
+3.1Round 18🇸🇪 SWEDEN63N♥9-2+8
+3.0Round 10🇦🇷 ARGENTINA74♥♦3-1+6
+3.0Round 13🇵🇹 PORTUGAL24N♣5+1+0
+3.0Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND52♥♠Q=+6
+2.9Round 6🇫🇷 FRANCE94♠♥10=+0
+2.9Round 9🇸🇬 SINGAPORE32♠x♠A-1+2
+2.9Round 19🇧🇷 BRAZIL53N♠2=+13
+2.7Round 4🇪🇬 EGYPT32♦♦A-2+8
+2.6Round 21🇺🇸 USA 115♦♠K-1-2
+2.5Round 3🇳🇱 NETHERLANDS32♥♠3+1+0
+2.5Round 6🇫🇷 FRANCE74♥♥3-1+12
+2.4Round 3🇳🇱 NETHERLANDS84♠♠10=+0
+2.4Round 7🇨🇦 CANADA33N♥4+1+0
+2.4Round 7🇨🇦 CANADA111N♣K-2+0
+2.3Round 7🇨🇦 CANADA102♥♦3+1+6
+2.3Round 7🇨🇦 CANADA141N♣5+1+0
+2.3Round 12🇦🇹 AUSTRIA93N♠Q+2+0
+2.3Round 13🇵🇹 PORTUGAL113N♥J+2+0
+2.3Round 16🇯🇵 JAPAN162♦♠4+1-1
+2.2Round 4🇪🇬 EGYPT64♣♦K-1+2
+2.1Round 16🇯🇵 JAPAN143N♠10-2-1
+2.0Round 3🇳🇱 NETHERLANDS124♥♠J+1+4
+2.0Round 6🇫🇷 FRANCE153N♣10+1+0
+2.0Round 10🇦🇷 ARGENTINA64♥♣9+2+5
+2.0Round 12🇦🇹 AUSTRIA125♠♦8+1+9
+2.0Round 13🇵🇹 PORTUGAL33N♥3=-1
+1.9Round 6🇫🇷 FRANCE41N♥3=+5
+1.8Round 16🇯🇵 JAPAN134♠♥4=-1
+1.8Round 19🇧🇷 BRAZIL72♣♠10-1+0
+1.7Round 3🇳🇱 NETHERLANDS23♣♦A-1-3
+1.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153N♥2+1+0
+1.7Round 16🇯🇵 JAPAN124N♣3+2+13
+1.6Round 4🇪🇬 EGYPT103♣♦K=-1
+1.6Round 13🇵🇹 PORTUGAL133N♦5+3+1
+1.5Round 19🇧🇷 BRAZIL63♠♥K-1+4
+1.4Round 10🇦🇷 ARGENTINA165♣♦A=+0
+1.4Round 18🇸🇪 SWEDEN53♠♥4-3+0
+1.3Round 3🇳🇱 NETHERLANDS143N♣3+3-10
+1.3Round 9🇸🇬 SINGAPORE93N♠3=+1
+1.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♠♣K-1+4
+1.3Round 18🇸🇪 SWEDEN164♥♣J=-1
+1.1Round 3🇳🇱 NETHERLANDS94♥♠J+1+0
+1.1Round 7🇨🇦 CANADA53N♦3+1+1
+1.1Round 13🇵🇹 PORTUGAL93N♠2+1+0
+1.1Round 19🇧🇷 BRAZIL31N♠6=+0
+1.0Round 13🇵🇹 PORTUGAL64♣♥J-3+1
+1.0Round 16🇯🇵 JAPAN74♥♠5+1-13
+1.0Round 19🇧🇷 BRAZIL155♠♣J=+0
+0.9Round 3🇳🇱 NETHERLANDS61N♥6+1+0
+0.9Round 6🇫🇷 FRANCE14♠♣A=+0
+0.9Round 9🇸🇬 SINGAPORE122N♠2-1+4
+0.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♥♣K+1+0
+0.7Round 19🇧🇷 BRAZIL135♦♥7+1-13
+0.6Round 1🇮🇳 INDIA161N♣J-1+2
+0.6Round 12🇦🇹 AUSTRIA162♥♦J=+0
+0.6Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND131♠♦10=-1
+0.5Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♥♠J+1+11
+0.5Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♠♦9+1-11
+0.4Round 1🇮🇳 INDIA103N♥Q+1+0
+0.4Round 6🇫🇷 FRANCE134♠♥J-2+2
+0.4Round 9🇸🇬 SINGAPORE73N♦J+1+1
+0.3Round 3🇳🇱 NETHERLANDS13N♥Q=+1
+0.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♠♥6+1+0
+0.2Round 19🇧🇷 BRAZIL91N♥7=+0
+0.1Round 10🇦🇷 ARGENTINA92♥♣5+1+7
+0.0Round 3🇳🇱 NETHERLANDS104♠♥A+1+0
-0.1Round 4🇪🇬 EGYPT164♥♠A=-1
-0.1Round 9🇸🇬 SINGAPORE64♠♣2=+0
-0.1Round 16🇯🇵 JAPAN114♥♣5-2+1
-0.2Round 1🇮🇳 INDIA74♠♠2+1+0
-0.3Round 6🇫🇷 FRANCE52N♥A=+0
-0.3Round 6🇫🇷 FRANCE83N♠2=-1
-0.4Round 13🇵🇹 PORTUGAL162N♠5+2+6
-0.4Round 21🇺🇸 USA 1143N♠2+3+11
-0.5Round 3🇳🇱 NETHERLANDS113N♥7+1+0
-0.5Round 4🇪🇬 EGYPT51N♥4+2-10
-0.5Round 4🇪🇬 EGYPT154♥♠J+1+0
-0.5Round 6🇫🇷 FRANCE113♠♦K=+0
-0.6Round 3🇳🇱 NETHERLANDS132♠♥3+1+0
-0.6Round 9🇸🇬 SINGAPORE114♠♦7-2-5
-0.6Round 13🇵🇹 PORTUGAL84♠♥6=+0
-0.7Round 3🇳🇱 NETHERLANDS53N♠J=+0
-0.7Round 6🇫🇷 FRANCE141N♥6+2+0
-0.8Round 16🇯🇵 JAPAN103♦♥4-1+0
-0.8Round 18🇸🇪 SWEDEN153♣♣2+1+0
-0.9Round 3🇳🇱 NETHERLANDS44♠♥A-1+3
-0.9Round 7🇨🇦 CANADA93N♣K+2-1
-0.9Round 19🇧🇷 BRAZIL14♥♣6+2+11
-1.0Round 12🇦🇹 AUSTRIA54♠♥10+1+0
-1.0Round 16🇯🇵 JAPAN51♠♦8-2+0
-1.1Round 13🇵🇹 PORTUGAL151N♠10=-11
-1.1Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND41♠♦Q-3+7
-1.1Round 19🇧🇷 BRAZIL113N♦K+1+0
-1.2Round 1🇮🇳 INDIA14♥♦2+2+11
-1.2Round 9🇸🇬 SINGAPORE24♥♣3=+1
-1.2Round 18🇸🇪 SWEDEN44♠♦K+1+0
-1.3Round 1🇮🇳 INDIA143♣♦6=-5
-1.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND163♦♠4+2+2
-1.5Round 6🇫🇷 FRANCE32♠x♠3-1-6
-1.5Round 19🇧🇷 BRAZIL44♠♥3+1+0
-1.7Round 21🇺🇸 USA 131N♥Q=-11
-1.8Round 4🇪🇬 EGYPT134♣♠Q=+0
-1.8Round 9🇸🇬 SINGAPORE44♥♠9+1+0
-1.8Round 9🇸🇬 SINGAPORE53♠♠2-1-5
-1.9Round 1🇮🇳 INDIA43N♥10-1-12
-1.9Round 6🇫🇷 FRANCE161N♣6-1+1
-1.9Round 12🇦🇹 AUSTRIA26♠♥8+1+13
-1.9Round 12🇦🇹 AUSTRIA34♠♣Q+2-1
-2.0Round 12🇦🇹 AUSTRIA65♣♥2+1+11
-2.0Round 16🇯🇵 JAPAN42♠♥A-1+0
-2.0Round 19🇧🇷 BRAZIL123♥♦7-2+0
-2.1Round 9🇸🇬 SINGAPORE132♥♠8-1+1
-2.4Round 21🇺🇸 USA 1113♦♣3+1+0
-2.5Round 19🇧🇷 BRAZIL24♠♥7+1+0
-2.6Round 12🇦🇹 AUSTRIA14♠♠4+1-1
-2.7Round 4🇪🇬 EGYPT144♥♠K=+1
-2.7Round 19🇧🇷 BRAZIL102N♥7+1-10
-2.8Round 4🇪🇬 EGYPT114♠♦A+1+0
-2.9Round 16🇯🇵 JAPAN81N♠5+2-1
-2.9Round 18🇸🇪 SWEDEN113♠♠3=-1
-3.0Round 13🇵🇹 PORTUGAL53N♠7=+1
-3.0Round 18🇸🇪 SWEDEN33N♥2+2-2
-3.1Round 16🇯🇵 JAPAN22N♠2-2+0
-3.2Round 19🇧🇷 BRAZIL164♥♦K+1-1
-3.4Round 16🇯🇵 JAPAN13N♠K-1-5
-3.6Round 18🇸🇪 SWEDEN73N♠4=+0
-4.0Round 3🇳🇱 NETHERLANDS73♠♣K=+0
-4.2Round 7🇨🇦 CANADA43N♥2-1-12
-4.2Round 7🇨🇦 CANADA73N♣7=+0
-4.2Round 10🇦🇷 ARGENTINA24♠♦10=-1
-4.2Round 21🇺🇸 USA 141N♥10-1-6
-4.3Round 1🇮🇳 INDIA124♠♦K=+0
-4.4Round 19🇧🇷 BRAZIL144♠♥6=+0
-4.8Round 6🇫🇷 FRANCE24♥♠A-1-9
-5.0Round 12🇦🇹 AUSTRIA74♣♦3-1-12
-5.1Round 18🇸🇪 SWEDEN107♦♦10=-4
-5.3Round 1🇮🇳 INDIA92♠♥2=+0
-5.4Round 12🇦🇹 AUSTRIA144♠♥10-2-5
-5.6Round 7🇨🇦 CANADA16♥♠10+1-11
-5.8Round 12🇦🇹 AUSTRIA83N♥10+3-2
-5.9Round 9🇸🇬 SINGAPORE85♠♦K-3-7
-5.9Round 12🇦🇹 AUSTRIA153N♣Q=-14
-6.0Round 16🇯🇵 JAPAN36♥♦2-1-15
-6.2Round 4🇪🇬 EGYPT41N♦3+2-10
-6.2Round 21🇺🇸 USA 1134♠♥5=+0
-7.0Round 12🇦🇹 AUSTRIA43N♣5=-10
-7.2Round 13🇵🇹 PORTUGAL145♣x♦Q=-3
-7.2Round 18🇸🇪 SWEDEN17♠♠2=+0
-7.3Round 6🇫🇷 FRANCE125♦♥3+1-13
-7.4Round 4🇪🇬 EGYPT14♠♥3-1-10
-7.4Round 10🇦🇷 ARGENTINA53N♦10=-10
-8.2Round 18🇸🇪 SWEDEN123N♥4=+1
-8.3Round 1🇮🇳 INDIA22♠♠4+2-1
-8.5Round 21🇺🇸 USA 183♦♠K-2-11
-8.7Round 9🇸🇬 SINGAPORE16♦♠K=+5
-9.0Round 1🇮🇳 INDIA63N♠7=-12
-9.4Round 21🇺🇸 USA 164♠♣2-1-12
-9.4Round 21🇺🇸 USA 1124♠♦5+1-1
-10.2Round 18🇸🇪 SWEDEN24N♥6+1+0
-10.3Round 12🇦🇹 AUSTRIA134♥x♠8+1-9
-10.3Round 13🇵🇹 PORTUGAL74♠♥5-1-13
-13.0Round 21🇺🇸 USA 195♦x♠10-1-11