🇨🇳 ZHANG Chen Ge · CHINA

9rank
+157.6Butler · 252 bds
+0.63per board
±4.8swing
+0.85vs par /bd · #10/66
+0.62adjusted /bd
Butler per round: 32.1 -20 7.7 17 -13.7 -6.8 22.7 8.1 8.8 1.8 -17 29.4 16.4 -8.3 52.6 0.3 -7.4 -5.1 9.1 7.6 22.3by round

vs par split: bidding +0.72 · play +0.16

Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted +0.62/bd

Card play — on target: opening leads 85.5% #13 of 66 · declarer play 78.2% #23 of 66 · defence 88.0% #15 of 66

Bidding activity — not a pass: 37.3% #63 of 66 (269/722)

Card play by contract type — on target
vs NTvs a suit
Opening leads94.4% (18)81.8% (44)
Declarer play58.8% (17)86.8% (38)
Defence78.8% (33)91.0% (100)

Opening leads by suit led: ♠ 90.5% (21) · ♥ 81.2% (16) · ♦ 80.0% (10) · ♣ 86.7% (15)

vs par by strain: NT +0.52 (68) · a suit +1.01 (182)

vs par by level: part-score -0.35 (111) · game +2.17 (121) · slam -0.28 (18)

By role: declaring +0.54/bd (-1.47 vs par · 118) · defending +0.69/bd (+2.90 vs par · 133)

By vulnerability: vulnerable +0.94/bd (+0.34 vs par · 126) · not vulnerable +0.31/bd (+1.36 vs par · 126)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.ShaoB.Choeichuenklin – P.MajanOpen12+32.1+2.68+4.42
Round 2Y.ShaoMORAWSKA EWA – D.OcylokOpen12-20.0-1.67+0.33
Round 3Y.ShaoL.Norman – K.HudsonClosed12+7.7+0.64+0.75
Round 4Y.ShaoI.Oeberg – T.IndreboClosed12+17.0+1.42+2.50
Round 5Y.ShaoA.Bune – S.BuneOpen12-13.7-1.14+3.75
Round 6Y.ShaoM.Sprinkhuizen – M.LejeuneOpen12-6.8-0.57+0.83
Round 7Y.ShaoH.Hsieh – Y.CaiClosed12+22.7+1.89+2.08
Round 8Y.ShaoK.Hwang – C.EhrlichmanClosed12+8.1+0.67-1.42
Round 9Y.ShaoE.Dalpozzo – S.CapobiancoClosed12+8.8+0.73-0.17
Round 10Y.ShaoH.Lajos – V.SzucsClosed12+1.8+0.15-0.58
Round 11Y.ShaoN.Bens – E.BoninOpen12-17.0-1.42-0.67
Round 12Y.ShaoN.Bens – E.BoninClosed12+29.4+2.45+5.75
Round 13Y.ShaoH.Lajos – V.SzucsClosed12+16.4+1.37+0.33
Round 14Y.ShaoL.Kearney – D.ColeyClosed12-8.3-0.69-1.50
Round 15Y.ShaoM.Sprinkhuizen – M.LejeuneClosed12+52.6+4.38+5.83
Round 16Y.ShaoF.Dalpozzo – V.DalpozzoClosed12+0.3+0.02-0.33
Round 17Y.ShaoE.Rosthoej – J.SigsgaardClosed12-7.4-0.62-1.00
Round 18Y.ShaoM.Gryzlo – M.KapalaClosed12-5.1-0.42-1.42
Round 19Y.ShaoW.Kedsakun – T.Rimnong AngClosed12+9.1+0.76-0.83
Round 20Y.ShaoN.Qian – H.ChowOpen12+7.6+0.63+0.50
Round 21Y.XiuI.Oeberg – T.IndreboOpen12+22.3+1.86-1.25

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
+14.1Round 13🇭🇺 HUNGARY193♥x♣T-4+14
+13.9Round 12🇫🇷 FRANCE67♥♥3-1+17
+12.7Round 1🇹🇭 THAILAND46♦♠5-1+15
+12.7Round 7🇺🇸 USA1244♥x♠Q-4+14
+12.3Round 15🇳🇱 NETHERLANDS225♥♣T+2+14
+12.2Round 20🇺🇸 USA166♦♣A-1+13
+11.0Round 9🇮🇹 ITALY163NTx♣2-2+12
+10.6Round 17🇩🇰 DENMARK234♠♠A=+10
+10.3Round 15🇳🇱 NETHERLANDS163NTx♥8-2+12
+10.0Round 7🇺🇸 USA1234♥x♦A=+5
+9.7Round 4🇳🇴 NORWAY154♥x♦A+1+12
+9.3Round 7🇺🇸 USA1155♠♠T-1+10
+9.0Round 13🇭🇺 HUNGARY143♣x♦J=+13
+8.5Round 15🇳🇱 NETHERLANDS183NT♠9-1+10
+8.5Round 18🇵🇱 POLAND92♠♦J+1+1
+8.1Round 19🇹🇭 THAILAND223NT♣4=+11
+7.9Round 13🇭🇺 HUNGARY206NT♥9+1+1
+7.7Round 8🇺🇸 USA214♠x♥8-2+5
+7.7Round 11🇫🇷 FRANCE185♦♥4-1+10
+7.2Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♣A=+7
+6.9Round 21🇳🇴 NORWAY154♠♥K+1+0
+6.6Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♣4=+0
+6.5Round 1🇹🇭 THAILAND73♠♦2-2+7
+6.5Round 20🇺🇸 USA1113NT♠J=+0
+6.4Round 5🇩🇰 DENMARK233NT♠6=-1
+6.1Round 17🇩🇰 DENMARK204♥♦6-2+8
+5.9Round 1🇹🇭 THAILAND113♣♣8+2+13
+5.9Round 15🇳🇱 NETHERLANDS205♠♣A+1+13
+5.8Round 5🇩🇰 DENMARK174♥♠3-2+5
+5.5Round 16🇮🇹 ITALY73NT♥T-2+12
+5.4Round 6🇳🇱 NETHERLANDS102♠♦5+2+1
+5.4Round 8🇺🇸 USA2102♥♥2-3-7
+5.4Round 18🇵🇱 POLAND114♠♥J-1+14
+5.4Round 20🇺🇸 USA194♠♦6-2+7
+5.3Round 2🇵🇱 POLAND223♠♦A+2+10
+5.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♠♥K+1-4
+5.2Round 7🇺🇸 USA1202NT♥Q-2+8
+5.1Round 5🇩🇰 DENMARK133♠♥6-2+3
+5.1Round 18🇵🇱 POLAND123NT♠5-3+6
+5.0Round 15🇳🇱 NETHERLANDS144♠♦K=+0
+4.9Round 12🇫🇷 FRANCE55♥♦A-1+10
+4.9Round 12🇫🇷 FRANCE94♥♣A-1+6
+4.8Round 19🇹🇭 THAILAND152♠♦J+1+1
+4.7Round 4🇳🇴 NORWAY176NT♠A-1+14
+4.6Round 9🇮🇹 ITALY184♠♠2+1+4
+4.6Round 15🇳🇱 NETHERLANDS153NT♦2+1+1
+4.5Round 4🇳🇴 NORWAY233NT♠2=+3
+4.5Round 12🇫🇷 FRANCE74♠x♥T-1+13
+4.4Round 12🇫🇷 FRANCE33NT♠4-1+12
+4.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63♠x♠5-1-6
+4.2Round 11🇫🇷 FRANCE153♥♠K=+0
+4.2Round 13🇭🇺 HUNGARY184♠♥3-1+5
+4.0Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♥♣3+1+0
+4.0Round 4🇳🇴 NORWAY193NT♠3=+0
+4.0Round 4🇳🇴 NORWAY216♠♥A=+15
+4.0Round 15🇳🇱 NETHERLANDS242♥♣A+1+1
+3.9Round 10🇭🇺 HUNGARY33♠♣4=+0
+3.9Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♠♣4-2+11
+3.9Round 21🇳🇴 NORWAY161♠♦2+2+4
+3.9Round 21🇳🇴 NORWAY193NT♣7+1+0
+3.9Round 21🇳🇴 NORWAY202♥♦K=+3
+3.8Round 5🇩🇰 DENMARK142♠♥3-1+2
+3.5Round 18🇵🇱 POLAND23NT♠7=-2
+3.4Round 9🇮🇹 ITALY246♠♥J=+0
+3.4Round 19🇹🇭 THAILAND175♣♠5-3+6
+3.4Round 21🇳🇴 NORWAY184♠♥4=+0
+3.3Round 5🇩🇰 DENMARK195♦♥K-3+11
+3.3Round 19🇹🇭 THAILAND201♠♦K-1+0
+3.2Round 1🇹🇭 THAILAND122♠♦K-1+4
+3.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83NT♠4-1+5
+3.1Round 10🇭🇺 HUNGARY42♦♣A-2-10
+2.9Round 4🇳🇴 NORWAY224NT♥K=-1
+2.9Round 21🇳🇴 NORWAY173♥♠8=-7
+2.8Round 1🇹🇭 THAILAND22♠♠3-3+1
+2.8Round 10🇭🇺 HUNGARY62♥♥2-2-5
+2.8Round 11🇫🇷 FRANCE245♣♠4-2+0
+2.8Round 20🇺🇸 USA1101♠♥5+1+0
+2.7Round 4🇳🇴 NORWAY204♠♦4+2+1
+2.7Round 6🇳🇱 NETHERLANDS65♠♣T-2+11
+2.7Round 17🇩🇰 DENMARK213♠♠2-1+5
+2.7Round 21🇳🇴 NORWAY131NT♣5-1+0
+2.7Round 21🇳🇴 NORWAY236♥♦2=+0
+2.6Round 7🇺🇸 USA1182NT♦6+3+6
+2.5Round 2🇵🇱 POLAND202♠♥A+3+2
+2.5Round 15🇳🇱 NETHERLANDS213♠♥J-2+0
+2.5Round 16🇮🇹 ITALY33NT♠K-1+12
+2.4Round 8🇺🇸 USA244♥♦6+2+5
+2.3Round 20🇺🇸 USA1123NT♠2+2+1
+2.2Round 1🇹🇭 THAILAND104♠♣9+1+1
+2.2Round 12🇫🇷 FRANCE43NT♥J+1+0
+2.2Round 13🇭🇺 HUNGARY233NT♦5+1+0
+2.0Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♦♥Q-2+12
+2.0Round 10🇭🇺 HUNGARY52♠♥7-2-1
+2.0Round 13🇭🇺 HUNGARY224♥♦2-4+11
+1.9Round 8🇺🇸 USA225♦x♣J-3+0
+1.9Round 8🇺🇸 USA233♣♣J-1+0
+1.9Round 10🇭🇺 HUNGARY85♦♣T-1+5
+1.9Round 19🇹🇭 THAILAND162♠♥A+1+0
+1.8Round 11🇫🇷 FRANCE195♣♥T-2+0
+1.8Round 16🇮🇹 ITALY13♥♣5-1+5
+1.8Round 19🇹🇭 THAILAND18Pass+3
+1.7Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53♠♥A+1+1
+1.6Round 1🇹🇭 THAILAND51NT♠6=-1
+1.6Round 2🇵🇱 POLAND133NT♠6+1+1
+1.6Round 8🇺🇸 USA253♦♠2-1+4
+1.5Round 7🇺🇸 USA1172♥♠4+3-6
+1.4Round 6🇳🇱 NETHERLANDS13NT♠T+2+0
+1.4Round 6🇳🇱 NETHERLANDS43♥♣4=+7
+1.4Round 8🇺🇸 USA2122NT♠9-2+5
+1.4Round 12🇫🇷 FRANCE121NT♣T-1+4
+1.3Round 9🇮🇹 ITALY134♥♥4-2+8
+1.2Round 8🇺🇸 USA2114♠♦Q=+0
+1.1Round 16🇮🇹 ITALY103♣♠K+1+0
+1.0Round 6🇳🇱 NETHERLANDS72♠♥T+1+0
+1.0Round 6🇳🇱 NETHERLANDS122♥♣T=+0
+1.0Round 16🇮🇹 ITALY92NT♠9-1-5
+0.9Round 9🇮🇹 ITALY231NT♥8=+1
+0.9Round 10🇭🇺 HUNGARY25♠♦A+2+0
+0.9Round 18🇵🇱 POLAND82♠♣5+1+6
+0.9Round 20🇺🇸 USA172♥♣5+1+6
+0.8Round 1🇹🇭 THAILAND92♠♥7+1-6
+0.7Round 4🇳🇴 NORWAY132♠♥K+1+0
+0.7Round 10🇭🇺 HUNGARY14♥x♦A-2+9
+0.7Round 12🇫🇷 FRANCE84♥♣A+1+0
+0.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♠6+2+2
+0.7Round 16🇮🇹 ITALY124♠♦4=+0
+0.6Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND125♣x♠3-2+10
+0.6Round 19🇹🇭 THAILAND191NT♠4=-2
+0.5Round 6🇳🇱 NETHERLANDS31NT♦J=+0
+0.5Round 7🇺🇸 USA1134♥♣7-1+6
+0.5Round 11🇫🇷 FRANCE232♠♣K+1+0
+0.5Round 15🇳🇱 NETHERLANDS134♠♣3+1+0
+0.5Round 20🇺🇸 USA113NT♠4=+0
+0.4Round 8🇺🇸 USA271♠♣A=-2
+0.4Round 20🇺🇸 USA122♠♣T+2+6
+0.3Round 9🇮🇹 ITALY153NT♦6+3+1
+0.3Round 15🇳🇱 NETHERLANDS233♦♠5=+0
+0.1Round 1🇹🇭 THAILAND14♠♦8=+11
+0.1Round 2🇵🇱 POLAND164NT♠3+1+0
+0.0Round 5🇩🇰 DENMARK181NT♣K+1+6
+0.0Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♥T+4-9
+0.0Round 17🇩🇰 DENMARK134♠♥4+2-13
-0.1Round 1🇹🇭 THAILAND64♠♠T+2+13
-0.1Round 8🇺🇸 USA285♠♦3+1-11
-0.1Round 16🇮🇹 ITALY53NT♦7+1-1
-0.1Round 18🇵🇱 POLAND62♠♥6=+0
-0.1Round 21🇳🇴 NORWAY213NT♠K+2-12
-0.2Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND92♣♣3-1-1
-0.2Round 17🇩🇰 DENMARK192♦♦6+1+0
-0.4Round 2🇵🇱 POLAND152♥♦A-2-2
-0.4Round 9🇮🇹 ITALY222♥♣K=-1
-0.4Round 12🇫🇷 FRANCE21NT♠5+1+1
-0.5Round 2🇵🇱 POLAND243♠♣A=-1
-0.5Round 5🇩🇰 DENMARK214♥♠K+2+11
-0.5Round 13🇭🇺 HUNGARY213NT♠7-2-5
-0.5Round 15🇳🇱 NETHERLANDS172♥♦6+1+7
-0.6Round 6🇳🇱 NETHERLANDS114♥♣Q+2+11
-0.6Round 7🇺🇸 USA1225♦♠A=+1
-0.6Round 12🇫🇷 FRANCE13♦♥A-1+6
-0.6Round 13🇭🇺 HUNGARY161NT♦6+1-1
-0.6Round 16🇮🇹 ITALY112♥♣K-1+2
-0.7Round 4🇳🇴 NORWAY143♠♣A-3-1
-0.8Round 1🇹🇭 THAILAND84♠♣T=+0
-0.8Round 9🇮🇹 ITALY143♦♣A-1-6
-0.8Round 15🇳🇱 NETHERLANDS193NT♠4+1+12
-0.8Round 16🇮🇹 ITALY24♥♠A+1+0
-0.9Round 13🇭🇺 HUNGARY173♦♣8=+0
-0.9Round 19🇹🇭 THAILAND134♠♦K+2-13
-1.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♣♥Q=+0
-1.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103NT♠2-1-12
-1.2Round 21🇳🇴 NORWAY226♥♦T=+0
-1.3Round 20🇺🇸 USA132♥♥2+1-1
-1.4Round 9🇮🇹 ITALY172♠♠7-1-5
-1.4Round 10🇭🇺 HUNGARY74♥♦A=+0
-1.4Round 19🇹🇭 THAILAND142♦♥5+2+0
-1.5Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33♥♠K=+0
-1.5Round 5🇩🇰 DENMARK164♦♠A+1+8
-1.5Round 5🇩🇰 DENMARK243♠x♥5-1+0
-1.5Round 9🇮🇹 ITALY213NT♣3-1-12
-1.5Round 17🇩🇰 DENMARK243♥♣4=+0
-1.5Round 19🇹🇭 THAILAND245♣♠4=+1
-1.6Round 7🇺🇸 USA1141NT♥3+2-1
-1.7Round 7🇺🇸 USA1215♣x♦2-2-2
-1.7Round 10🇭🇺 HUNGARY124♠♥A=+0
-1.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43♠♣K+1-10
-1.9Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♠♥K+1+0
-1.9Round 17🇩🇰 DENMARK145♠x♦A-3-2
-1.9Round 18🇵🇱 POLAND43NT♥3=-1
-2.2Round 16🇮🇹 ITALY41NT♠Q+1-10
-2.2Round 21🇳🇴 NORWAY144♠♥A-1+2
-2.3Round 19🇹🇭 THAILAND231♦♠K-3-4
-2.4Round 4🇳🇴 NORWAY242NT♥Q=-7
-2.4Round 10🇭🇺 HUNGARY115♣♣6=-7
-2.4Round 11🇫🇷 FRANCE201NT♠T-1-1
-2.4Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123♠x♣A-1-9
-2.5Round 17🇩🇰 DENMARK162♠♥3+2-1
-2.6Round 11🇫🇷 FRANCE134♥♦3+1+16
-2.6Round 18🇵🇱 POLAND32♥♦9+2-6
-2.7Round 6🇳🇱 NETHERLANDS81NT♠3+1+0
-2.8Round 1🇹🇭 THAILAND32♥♦2=-5
-3.0Round 8🇺🇸 USA292♣♦3+1+1
-3.1Round 2🇵🇱 POLAND234♥♠J+1+13
-3.1Round 12🇫🇷 FRANCE101NT♥3=-1
-3.2Round 9🇮🇹 ITALY204♥♣K=+1
-3.3Round 2🇵🇱 POLAND182♠♦3+1+0
-3.3Round 2🇵🇱 POLAND21Adj.♠A-7
-3.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♥♥4-4+5
-3.4Round 12🇫🇷 FRANCE115♣♥7=+1
-3.6Round 11🇫🇷 FRANCE161NT♥5+1+0
-3.7Round 16🇮🇹 ITALY61NT♣K=-8
-3.9Round 10🇭🇺 HUNGARY93NT♥2=+1
-3.9Round 11🇫🇷 FRANCE213♣♠T-2-7
-4.0Round 17🇩🇰 DENMARK223♥♦5=-1
-4.1Round 10🇭🇺 HUNGARY103NT♠8+1+1
-4.2Round 18🇵🇱 POLAND14♠♥T=+0
-4.3Round 17🇩🇰 DENMARK183NT♥8+3-3
-4.4Round 13🇭🇺 HUNGARY153♠♣A=-12
-4.5Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND62♠♠4=-6
-4.5Round 6🇳🇱 NETHERLANDS53♣♦5=-9
-4.5Round 6🇳🇱 NETHERLANDS94♠♣K=-3
-4.5Round 21🇳🇴 NORWAY244♠♣3-1-5
-4.6Round 11🇫🇷 FRANCE173NT♥9+2-1
-4.6Round 18🇵🇱 POLAND54♠♣J-1-13
-4.7Round 4🇳🇴 NORWAY183♣♦A=+0
-4.7Round 17🇩🇰 DENMARK173NT♠3=+0
-4.8Round 2🇵🇱 POLAND192♥♣7+1-1
-4.9Round 16🇮🇹 ITALY83NT♥Q-2-11
-5.2Round 18🇵🇱 POLAND72♠♦3=-12
-5.3Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND102♠x♠9-1-10
-5.4Round 9🇮🇹 ITALY195♥♣7+1-5
-5.5Round 2🇵🇱 POLAND145♣x♠4-2+0
-6.1Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93NT♥3+3+16
-6.7Round 7🇺🇸 USA1164♥♠9+1-4
-6.9Round 20🇺🇸 USA152NT♠7+2-9
-7.5Round 11🇫🇷 FRANCE222♠♦K=-11
-7.6Round 20🇺🇸 USA141NTx♦2+1-7
-7.6Round 20🇺🇸 USA185♦♥3-1-10
-7.7Round 17🇩🇰 DENMARK157♦♣A-1-15
-7.9Round 6🇳🇱 NETHERLANDS23NT♣K-2-8
-8.0Round 13🇭🇺 HUNGARY244♥♦4-1-10
-8.4Round 4🇳🇴 NORWAY162♦x♣A+1-6
-8.5Round 7🇺🇸 USA1194♠x♥A=-12
-8.6Round 2🇵🇱 POLAND176♥♦A-1-11
-8.6Round 13🇭🇺 HUNGARY136♠♦2=-12
-8.7Round 19🇹🇭 THAILAND214♥♦K-2-13
-9.4Round 11🇫🇷 FRANCE146♥♣J-1-14
-9.8Round 5🇩🇰 DENMARK206♠♣K=+0
-9.9Round 18🇵🇱 POLAND103NT♠2=-10
-10.9Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND86♣♠T-2-11
-11.9Round 5🇩🇰 DENMARK226♥♦Q=+0
-12.7Round 8🇺🇸 USA267♠♠5-1-17
-12.9Round 5🇩🇰 DENMARK157♠♠6=+0