🇨🇳 WANG Zhongtian · CHINA

61rank
-0.8Butler · 104 bds
-0.01per board
±4.3swing
+0.13vs par /bd · #41/107
+0.13adjusted /bd
Butler per round: 9.4 -5 -0.5 18 -16.4 8.5 5.9 7.6 -13.1 -7.6 7.4 -6 -9by round

vs par split: bidding -0.38 · play +0.51

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted +0.13/bd

Card play — on target: opening leads 76.9% #84 of 107 · declarer play 92.6% #1 of 107 · defence 87.8% #31 of 107

Bidding activity — not a pass: 43.8% #60 of 107 (137/313)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (6)80.0% (20)
Declarer play100.0% (7)90.0% (20)
Defence91.7% (12)86.5% (37)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 75.0% (4) · ♦ 69.2% (13) · ♣ 100.0% (7)

vs par by strain: NT -0.36 (22) · a suit +0.27 (82)

vs par by level: part-score +2.02 (45) · game -2.12 (52) · slam +4.71 (7)

By role: declaring +0.01/bd (-1.24 vs par · 55) · defending -0.02/bd (+1.67 vs par · 49)

By vulnerability: vulnerable -0.12/bd (+0.67 vs par · 52) · not vulnerable +0.11/bd (-0.40 vs par · 52)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Z.LiG.Biondillo Rodrigues – H.SalomaoClosed8+9.4+1.18+0.50
Round 3Z.LiD.Kapiris – P.SkordasOpen8-5.0-0.62+0.62
Round 4Z.LiP.Phansamdaeng – P.KongngernOpen8-0.5-0.06+1.25
Round 6Z.LiG.Morgan – G.BartleyClosed8+18.0+2.25+2.12
Round 7Z.LiK.Cichy – K.KopkaClosed8-16.4-2.05-3.38
Round 9Z.LiS.Ballav – D.BanerjeeOpen8+8.5+1.06+3.00
Round 10Z.LiA.Carletti – F.PortaClosed8+5.9+0.74+0.38
Round 12Z.LiA.Cope – O.SelbyClosed8+7.6+0.95+3.00
Round 13Z.LiC.Mann – E.HanssonOpen8-13.1-1.64-4.12
Round 14Z.LiX.Friesen – R.GoorClosed8-7.6-0.95+0.38
Round 16Z.LiL.Rombaut – T.GuilleminOpen8+7.4+0.93+0.88
Round 17Z.LiI.Baniri – T.LoonsteinClosed8-6.0-0.75-2.00
Round 19Z.LiJ.Freeman – C.DuffieClosed8-9.0-1.12-0.88

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
+14.0Round 10🇮🇹 ITALY136♣♥K-1+20
+10.6Round 6🇦🇺 AUSTRALIA136♥♣4=+13
+9.8Round 9🇮🇳 INDIA23♣x♥7+1+10
+9.2Round 6🇦🇺 AUSTRALIA103♥♣Q-1+11
+8.8Round 10🇮🇹 ITALY112♥x♣2-4+8
+8.1Round 7🇵🇱 POLAND216♣♦A=+0
+7.2Round 13🇸🇪 SWEDEN32♠x♠2=+11
+7.1Round 1🇧🇷 BRAZIL24♠♦Q-3+10
+6.8Round 16🇫🇷 FRANCE314♠♥K=+13
+6.5Round 3🇬🇷 GREECE174♥♦J=+7
+4.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND283♦x♠Q-2+8
+4.2Round 4🇹🇭 THAILAND286♣♠Q+1-11
+4.1Round 17🇮🇱 ISRAEL73♠♦6+1-1
+3.7Round 1🇧🇷 BRAZIL32♠♣Q+1+0
+3.6Round 6🇦🇺 AUSTRALIA154♠♥3=+0
+3.2Round 4🇹🇭 THAILAND304♠♦K-1+4
+3.2Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND291NT♥2-1+5
+3.2Round 16🇫🇷 FRANCE323NT♦4-1+6
+2.6Round 1🇧🇷 BRAZIL61NT♥3-1+4
+2.3Round 4🇹🇭 THAILAND262♠♦3-1+11
+2.2Round 17🇮🇱 ISRAEL53NT♣K+2+0
+2.1Round 9🇮🇳 INDIA14♠♥4-1+10
+2.1Round 9🇮🇳 INDIA51NT♦2-2+2
+2.1Round 9🇮🇳 INDIA72♠♣A+1+6
+2.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND302♦x♦2-1+8
+2.1Round 16🇫🇷 FRANCE304♠♥6+1+0
+2.1Round 17🇮🇱 ISRAEL33♣♥2-2+5
+1.9Round 3🇬🇷 GREECE184♦♥A=+6
+1.7Round 10🇮🇹 ITALY163NT♦T-2-5
+1.7Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND253♥♠K-1+8
+1.7Round 14🇳🇱 NETHERLANDS152♦x♠K-2+4
+1.7Round 19🇺🇸 USA2204♠♦5=-1
+1.6Round 9🇮🇳 INDIA44♥♦Q-2+8
+1.6Round 10🇮🇹 ITALY153♣♥6-2+0
+1.5Round 6🇦🇺 AUSTRALIA94♥♦2-1-5
+1.3Round 13🇸🇪 SWEDEN41NT♣A+2+1
+1.1Round 6🇦🇺 AUSTRALIA112♥♣Q=+0
+0.9Round 19🇺🇸 USA2244♦♥Q=+0
+0.8Round 3🇬🇷 GREECE192♠♦J=+0
+0.6Round 1🇧🇷 BRAZIL42♠♣Q+1+0
+0.5Round 7🇵🇱 POLAND241NT♣3+1+0
+0.5Round 16🇫🇷 FRANCE274♥♦J=-1
+0.4Round 1🇧🇷 BRAZIL55♦♣A=-3
+0.3Round 1🇧🇷 BRAZIL74♠♣J=+0
+0.3Round 19🇺🇸 USA2223♥♣T=+0
+0.1Round 13🇸🇪 SWEDEN83NT♥5+2+0
+0.1Round 14🇳🇱 NETHERLANDS163♥♠Q-3+10
+0.0Round 16🇫🇷 FRANCE284♠♣Q=-6
-0.1Round 10🇮🇹 ITALY106♠x♦2-2+0
-0.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND264♠♣K=+0
-0.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND272♠♥5+2+6
-0.1Round 14🇳🇱 NETHERLANDS123NT♣5+2+0
-0.3Round 6🇦🇺 AUSTRALIA121NT♥6=+5
-0.3Round 7🇵🇱 POLAND201♠♠2+2+0
-0.3Round 13🇸🇪 SWEDEN14♥♠7+1-11
-0.3Round 19🇺🇸 USA2174♠♦Q+1+0
-0.5Round 3🇬🇷 GREECE211NT♦7+2-1
-0.6Round 1🇧🇷 BRAZIL81NT♥5-2-8
-0.6Round 3🇬🇷 GREECE203NT♦5+1-1
-0.6Round 16🇫🇷 FRANCE292♠♦K+1+0
-0.6Round 17🇮🇱 ISRAEL82♦♠6=-1
-0.7Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND324♥♣K+1+0
-0.8Round 7🇵🇱 POLAND223NT♦T+1-1
-0.8Round 14🇳🇱 NETHERLANDS134♠♦7+1+0
-0.8Round 14🇳🇱 NETHERLANDS144♥♦A+1+0
-0.8Round 16🇫🇷 FRANCE262♥♦A=+0
-0.9Round 9🇮🇳 INDIA33♣♠Q=+0
-1.1Round 4🇹🇭 THAILAND252♠♥9+2+6
-1.4Round 3🇬🇷 GREECE223NT♦6=+0
-1.4Round 6🇦🇺 AUSTRALIA146♥♠6=+0
-1.6Round 19🇺🇸 USA2235♦♥A=+13
-1.7Round 17🇮🇱 ISRAEL64♥♠K=+0
-1.8Round 4🇹🇭 THAILAND295♦♥A=+2
-1.8Round 19🇺🇸 USA2183NT♥2-4-3
-2.1Round 4🇹🇭 THAILAND273♠♦A-2-8
-2.1Round 9🇮🇳 INDIA64♠x♥T-1-8
-2.2Round 17🇮🇱 ISRAEL14♠♥Q+2-11
-2.3Round 7🇵🇱 POLAND183NT♥K-1-4
-2.3Round 14🇳🇱 NETHERLANDS104♣♥9+1-10
-2.4Round 14🇳🇱 NETHERLANDS91♥♣3-1+2
-2.6Round 4🇹🇭 THAILAND313NT♣3-2-5
-2.6Round 4🇹🇭 THAILAND326NT♦4=+11
-2.7Round 17🇮🇱 ISRAEL43♥♥3-2-2
-2.8Round 3🇬🇷 GREECE234♥♦4=+1
-2.8Round 10🇮🇹 ITALY142♥♦K+1+0
-2.8Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND314♠♦2+2-11
-3.0Round 14🇳🇱 NETHERLANDS114♠♣2=-3
-3.4Round 7🇵🇱 POLAND194♥♣J+1-1
-3.6Round 13🇸🇪 SWEDEN23♣♥2-1-5
-3.6Round 19🇺🇸 USA2212♠♥3=+0
-3.8Round 16🇫🇷 FRANCE254♥x♣A-2-5
-4.3Round 7🇵🇱 POLAND173NT♣K-4-7
-4.6Round 19🇺🇸 USA2194♥♣K-1-16
-4.7Round 1🇧🇷 BRAZIL15♣♦4=+1
-5.1Round 13🇸🇪 SWEDEN65♦x♣Q-2-9
-5.9Round 13🇸🇪 SWEDEN54♠♣T-2-7
-6.2Round 9🇮🇳 INDIA82♣x♣4-2-4
-6.3Round 6🇦🇺 AUSTRALIA163NT♥6-2-7
-6.8Round 13🇸🇪 SWEDEN75♠♣7+1-13
-7.2Round 17🇮🇱 ISRAEL22♦♣A+2-6
-7.5Round 10🇮🇹 ITALY94♠♥5+2-11
-8.9Round 3🇬🇷 GREECE244♠♥Q=-7
-9.8Round 10🇮🇹 ITALY124♠x♣8=-9
-13.9Round 7🇵🇱 POLAND234♥x♠K-4-14