🇯🇵 NISHIDA Natsuko · JAPAN

99rank
-87.4Butler · 208 bds
-0.42per board
±4.5swing
-0.14vs par /bd · #85/126
-0.40adjusted /bd
Butler per round: 6.6 -19.7 -35.4 8.9 -16.4 22.4 5.6 33.9 -2.1 -10 -16.7 -41.6 -22.9by round

vs par split: bidding +0.05 · play -0.19

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted -0.40/bd

Card play — on target: opening leads 75.0% #98 of 126 · declarer play 73.5% #67 of 126 · defence 82.2% #84 of 126

Card play by contract type — on target
vs NTvs a suit
Opening leads78.6% (14)73.5% (34)
Declarer play68.8% (16)75.8% (33)
Defence76.9% (26)84.0% (81)

Opening leads by suit led: ♠ 91.7% (12) · ♥ 53.8% (13) · ♦ 69.2% (13) · ♣ 90.0% (10)

vs par by strain: NT -0.58 (55) · a suit +0.02 (153)

vs par by level: part-score +0.53 (78) · game -0.78 (119) · slam +2.09 (11)

By role: declaring -0.77/bd (-2.95 vs par · 101) · defending -0.09/bd (+2.51 vs par · 107)

By vulnerability: vulnerable -0.78/bd (+0.00 vs par · 104) · not vulnerable -0.07/bd (-0.28 vs par · 104)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.SakamotoY.Sun – X.FengClosed16+6.6+0.41+3.00
Round 3M.SakamotoS.Fraser – K.LitwinClosed16-19.7-1.23+1.69
Round 4M.SakamotoP.Andersson – M.JohanssonOpen16-35.4-2.21-1.69
Round 6M.SakamotoE.Harasimowicz – M.SawickaOpen16+8.9+0.56-0.06
Round 7M.SakamotoF.Brown – S.StockdaleClosed16-16.4-1.02-1.06
Round 9M.SakamotoC.D'Ovidio – V.BessisClosed16+22.4+1.40+1.31
Round 10M.SakamotoS.Ayad – F.BenchemsiOpen16+5.6+0.35+0.19
Round 12M.SakamotoA.Abu Jaber – H.ZabanehOpen16+33.9+2.12+3.69
Round 13M.SakamotoL.Cartner – G.PalmerOpen16-2.1-0.13-0.69
Round 15M.SakamotoB.Hackett – A.Della MontaClosed16-10.0-0.62-1.69
Round 16M.SakamotoL.Pain – I.Vargas De AndradeOpen16-16.7-1.04-1.50
Round 18M.SakamotoG.Lakhani – A.SainOpen16-41.6-2.60-3.81
Round 21M.SakamotoJ.Pasman – A.SimonsOpen16-22.9-1.43-1.19

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
+14.8Round 6🇵🇱 POLAND315♥x♣K=+14
+10.8Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13♥x♠8-4+12
+10.6Round 13🇳🇿 NEW ZEALAND154♠♣J-1+12
+10.5Round 10🇲🇦 MOROCCO182♥♥J-1+12
+10.3Round 9🇫🇷 FRANCE66♥♦2=+0
+10.2Round 1🇨🇳 CHINA113NT♥2-4+12
+9.3Round 12🇯🇴 JORDAN243♠♥2=+11
+8.8Round 1🇨🇳 CHINA45♦♣2+1+13
+8.4Round 12🇯🇴 JORDAN266♥♦J-1+13
+8.1Round 12🇯🇴 JORDAN182♣♥3=+11
+6.8Round 15🇩🇪 GERMANY23NT♥J-1+6
+6.6Round 16🇧🇷 BRAZIL264♠♣Q+1+13
+6.1Round 9🇫🇷 FRANCE136♥♦4-1+12
+6.0Round 18🇮🇳 INDIA321NT♠A-3+2
+5.6Round 3🇨🇦 CANADA33♠♥A=+7
+5.5Round 10🇲🇦 MOROCCO204♠♦10=+13
+5.3Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♥♦2-1+12
+5.1Round 4🇸🇪 SWEDEN195♠x♥3+1-2
+5.0Round 10🇲🇦 MOROCCO244♠♠6-1+5
+5.0Round 15🇩🇪 GERMANY53♠♦9-2+9
+4.8Round 1🇨🇳 CHINA12♥♦5+1+7
+4.7Round 12🇯🇴 JORDAN302♠♥7+1+1
+4.5Round 6🇵🇱 POLAND173NT♥9-1+5
+4.5Round 9🇫🇷 FRANCE73NT♥4=+10
+4.2Round 10🇲🇦 MOROCCO301NT♥3-1+8
+4.1Round 10🇲🇦 MOROCCO312♥♣J+3+9
+4.1Round 18🇮🇳 INDIA241NT♦4-1+5
+4.0Round 10🇲🇦 MOROCCO263NT♥6+1+0
+4.0Round 16🇧🇷 BRAZIL292♠♠3-2+7
+3.6Round 3🇨🇦 CANADA84♥♦Q+2+11
+3.6Round 16🇧🇷 BRAZIL232♠♥A+1+0
+3.5Round 21🇳🇱 NETHERLANDS103♠♥4-1+6
+3.0Round 6🇵🇱 POLAND242♠♣6=+5
+2.8Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♥♣4-2+6
+2.8Round 12🇯🇴 JORDAN173♣♥7+1+6
+2.7Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND61NT♠Q+1+0
+2.6Round 9🇫🇷 FRANCE24♠♦4=+0
+2.6Round 13🇳🇿 NEW ZEALAND93♥♦2=+7
+2.5Round 9🇫🇷 FRANCE44♦♠2-1+5
+2.5Round 13🇳🇿 NEW ZEALAND22♠♦K+1+6
+2.4Round 3🇨🇦 CANADA45♣♠7+1+13
+2.4Round 9🇫🇷 FRANCE122♠♣J=+9
+2.4Round 9🇫🇷 FRANCE143♥♦2=+0
+2.4Round 12🇯🇴 JORDAN214♠♥A-1+6
+2.2Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♥♦A+1-11
+2.2Round 9🇫🇷 FRANCE162♠♥4=+6
+2.2Round 15🇩🇪 GERMANY14♠♣3-1+4
+2.0Round 9🇫🇷 FRANCE83NT♠2+2+0
+2.0Round 10🇲🇦 MOROCCO215♦♦10=+0
+2.0Round 10🇲🇦 MOROCCO294♠♠8=+0
+1.9Round 12🇯🇴 JORDAN224♥♣4-1-6
+1.9Round 13🇳🇿 NEW ZEALAND142♠♥10-1-2
+1.9Round 18🇮🇳 INDIA182♥♦9+1-7
+1.8Round 12🇯🇴 JORDAN284♥♥9=+0
+1.7Round 6🇵🇱 POLAND302♠♦A+2-4
+1.7Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53♥♣K=+0
+1.7Round 9🇫🇷 FRANCE104♥♠2+2+13
+1.7Round 21🇳🇱 NETHERLANDS86♠♣7=+0
+1.6Round 1🇨🇳 CHINA143NT♥10+3-10
+1.6Round 13🇳🇿 NEW ZEALAND101NT♦6=+11
+1.6Round 16🇧🇷 BRAZIL303NT♥3+2-11
+1.6Round 18🇮🇳 INDIA174♦♠Q-1+4
+1.5Round 15🇩🇪 GERMANY74♥♣3=+3
+1.4Round 12🇯🇴 JORDAN323♣♥8-1+4
+1.4Round 16🇧🇷 BRAZIL251NT♥2-1-2
+1.3Round 1🇨🇳 CHINA101NT♥K-2+9
+1.3Round 3🇨🇦 CANADA104♥♣J-2+8
+1.2Round 1🇨🇳 CHINA94♠♣6+1+11
+1.2Round 3🇨🇦 CANADA153NT♦4+2+1
+1.1Round 3🇨🇦 CANADA113♠♥2=+1
+1.1Round 21🇳🇱 NETHERLANDS92♠♣7+1-8
+1.0Round 4🇸🇪 SWEDEN174♠♥2=+11
+1.0Round 21🇳🇱 NETHERLANDS111NT♠6-1-3
+0.9Round 15🇩🇪 GERMANY134♠♥J-1-1
+0.9Round 18🇮🇳 INDIA223♥♣2-2-1
+0.7Round 6🇵🇱 POLAND273NT♦5+1-11
+0.7Round 6🇵🇱 POLAND294♠♦5+1+10
+0.7Round 12🇯🇴 JORDAN254♠♠4+1+0
+0.7Round 12🇯🇴 JORDAN275♣♥A-1+5
+0.6Round 6🇵🇱 POLAND222♥♦Q+1+0
+0.6Round 6🇵🇱 POLAND263NT♥J+3-13
+0.6Round 13🇳🇿 NEW ZEALAND164♠♣2=+1
+0.5Round 3🇨🇦 CANADA132♣♠A+1+6
+0.5Round 21🇳🇱 NETHERLANDS163NT♠K=+2
+0.4Round 1🇨🇳 CHINA154NT♥3+2+1
+0.4Round 4🇸🇪 SWEDEN243NT♥6+2+0
+0.4Round 9🇫🇷 FRANCE153NT♠2+1+1
+0.4Round 15🇩🇪 GERMANY114♠♥Q+1+0
+0.2Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND91NT♣5+2+6
+0.2Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND112♠♦2-1-2
+0.2Round 9🇫🇷 FRANCE113NT♣2=-1
+0.2Round 12🇯🇴 JORDAN294♠♣A=+1
+0.1Round 21🇳🇱 NETHERLANDS143NT♠J+2+0
+0.0Round 1🇨🇳 CHINA164♠♥4=+9
+0.0Round 3🇨🇦 CANADA71NT♦4=-6
-0.0Round 4🇸🇪 SWEDEN314♠♣A=+0
-0.0Round 10🇲🇦 MOROCCO273NT♠8+1+0
-0.0Round 15🇩🇪 GERMANY91NT♣3+1+1
+0.0Round 16🇧🇷 BRAZIL324♠♦J+1+0
-0.0Round 21🇳🇱 NETHERLANDS154♥♠3-1+5
-0.1Round 4🇸🇪 SWEDEN261NT♦Q=-2
-0.1Round 6🇵🇱 POLAND252♠♦7+1+0
-0.2Round 3🇨🇦 CANADA142♠♣K-2+1
-0.2Round 9🇫🇷 FRANCE94♠♥Q-1-12
-0.3Round 6🇵🇱 POLAND194♠♣J=+1
-0.3Round 6🇵🇱 POLAND324♠♥Q+2+11
-0.3Round 13🇳🇿 NEW ZEALAND61♠♥10+1+0
-0.3Round 18🇮🇳 INDIA294♠♣Q+1+0
-0.4Round 1🇨🇳 CHINA71NT♣2+2+10
-0.4Round 1🇨🇳 CHINA135♣♥3=+13
-0.4Round 3🇨🇦 CANADA123NT♥2=+0
-0.4Round 15🇩🇪 GERMANY165♦♥7-1-5
-0.6Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♠♥K-1-5
-0.6Round 13🇳🇿 NEW ZEALAND124♠♦2=+1
-0.6Round 16🇧🇷 BRAZIL223NT♠J=-13
-0.7Round 6🇵🇱 POLAND184♥♠10+1+0
-0.7Round 21🇳🇱 NETHERLANDS44♥♠Q+1-4
-0.8Round 12🇯🇴 JORDAN194♠♥A-3+0
-0.9Round 9🇫🇷 FRANCE12♥♦4+1-1
-1.0Round 1🇨🇳 CHINA24♠♣J=-3
-1.0Round 6🇵🇱 POLAND236♠♦A=+0
-1.0Round 13🇳🇿 NEW ZEALAND13NT♦J=-2
-1.0Round 15🇩🇪 GERMANY154♥♦8+2-5
-1.0Round 21🇳🇱 NETHERLANDS55♦♥5=-11
-1.1Round 1🇨🇳 CHINA122NT♠6-1+2
-1.1Round 4🇸🇪 SWEDEN253♦♦7=+0
-1.1Round 10🇲🇦 MOROCCO283♥♦A=+8
-1.1Round 21🇳🇱 NETHERLANDS133♣♠6=+1
-1.2Round 13🇳🇿 NEW ZEALAND75♦♣A=+2
-1.2Round 16🇧🇷 BRAZIL194♠♦7+1+0
-1.2Round 18🇮🇳 INDIA304♥♠K+1-11
-1.2Round 21🇳🇱 NETHERLANDS73♦♠4+1+0
-1.3Round 18🇮🇳 INDIA274♥♠3+1+0
-1.5Round 15🇩🇪 GERMANY125♣♠2=-11
-1.6Round 16🇧🇷 BRAZIL274♥♦2-2-6
-1.6Round 18🇮🇳 INDIA203NT♥8=-2
-1.6Round 21🇳🇱 NETHERLANDS24NT♠10+2+13
-1.7Round 10🇲🇦 MOROCCO192♠♥4=+0
-1.7Round 15🇩🇪 GERMANY43NT♥K-1-6
-1.8Round 6🇵🇱 POLAND214♠♣Q-1-5
-1.8Round 13🇳🇿 NEW ZEALAND56♣♠A=-11
-1.9Round 3🇨🇦 CANADA94♠♦6+1-1
-1.9Round 6🇵🇱 POLAND283NT♥5=+0
-1.9Round 13🇳🇿 NEW ZEALAND33♦♠K+1-1
-1.9Round 16🇧🇷 BRAZIL211NT♦3=-11
-2.0Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND102♥♣3+3-9
-2.0Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND146♠♣A=+0
-2.0Round 13🇳🇿 NEW ZEALAND42♠♣5-1-5
-2.0Round 15🇩🇪 GERMANY33NT♠6+2+0
-2.1Round 16🇧🇷 BRAZIL176♥♦A=+11
-2.2Round 12🇯🇴 JORDAN314♥♣A-2+1
-2.3Round 3🇨🇦 CANADA56NT♦10+1+13
-2.3Round 15🇩🇪 GERMANY81NT♣A-1-4
-2.3Round 16🇧🇷 BRAZIL243♣♣3-2+0
-2.5Round 4🇸🇪 SWEDEN204♥♠A+1+0
-2.5Round 4🇸🇪 SWEDEN294♠♥Q+2+13
-2.7Round 4🇸🇪 SWEDEN212♠♥4-2+0
-2.7Round 12🇯🇴 JORDAN235♣♠7-1+7
-2.8Round 12🇯🇴 JORDAN203NT♥4+2-1
-3.2Round 4🇸🇪 SWEDEN225♠♥5-2-12
-3.4Round 21🇳🇱 NETHERLANDS125♣♦Q-2+0
-3.5Round 10🇲🇦 MOROCCO323NT♠K-2-8
-3.5Round 16🇧🇷 BRAZIL202♠♦A+1+10
-3.6Round 1🇨🇳 CHINA83♣♦7+3-13
-3.7Round 3🇨🇦 CANADA22♠♦4=+0
-3.7Round 21🇳🇱 NETHERLANDS62♠♣6=+0
-3.8Round 4🇸🇪 SWEDEN304♠♥A+1-1
-3.8Round 15🇩🇪 GERMANY102♠♦7=-6
-3.9Round 4🇸🇪 SWEDEN283NT♣5-2-5
-3.9Round 10🇲🇦 MOROCCO232♥♣K+1-7
-3.9Round 18🇮🇳 INDIA252♥x♦A-1-7
-4.0Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND122NT♥A-2-5
-4.1Round 1🇨🇳 CHINA53NT♠4=+1
-4.1Round 4🇸🇪 SWEDEN276NT♣A=+0
-4.2Round 13🇳🇿 NEW ZEALAND84♥♦Q+3-10
-4.2Round 13🇳🇿 NEW ZEALAND133NT♥K-2-13
-4.3Round 15🇩🇪 GERMANY63NT♥K+3-1
-4.3Round 16🇧🇷 BRAZIL285♠♦Q-2-5
-4.7Round 13🇳🇿 NEW ZEALAND113♣♦4+1-7
-5.0Round 1🇨🇳 CHINA64♠x♥A+1-6
-5.0Round 4🇸🇪 SWEDEN324♠♥9-1-12
-5.1Round 18🇮🇳 INDIA235♦♥5=+0
-5.3Round 16🇧🇷 BRAZIL313♥♠5+3-6
-5.4Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162♥♦8=-6
-5.6Round 18🇮🇳 INDIA214♥♠2+1-8
-5.7Round 18🇮🇳 INDIA313NT♣7+3-11
-5.8Round 4🇸🇪 SWEDEN234♥♠Q-1-6
-5.8Round 10🇲🇦 MOROCCO175♦♣A-1-10
-6.1Round 1🇨🇳 CHINA34♠♣4-2-8
-6.1Round 9🇫🇷 FRANCE54♥♥2=-10
-7.0Round 21🇳🇱 NETHERLANDS14♠♠6=-7
-7.2Round 4🇸🇪 SWEDEN183♦♥K=-11
-7.2Round 10🇲🇦 MOROCCO253♥♣3-1-12
-7.4Round 3🇨🇦 CANADA14♥x♣Q-2-9
-7.5Round 3🇨🇦 CANADA64♠♣10-1-6
-7.5Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♥♣6=-9
-7.7Round 9🇫🇷 FRANCE34♦♠Q=-11
-8.3Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133NT♣J=+1
-8.5Round 10🇲🇦 MOROCCO226♦♠K-1-15
-8.5Round 18🇮🇳 INDIA193♦x♠3-2-15
-9.8Round 15🇩🇪 GERMANY144♥♠A=-11
-10.3Round 18🇮🇳 INDIA283NT♥7=+0
-11.1Round 16🇧🇷 BRAZIL183NT♥J=-11
-11.1Round 21🇳🇱 NETHERLANDS34♥♥9-1-13
-11.6Round 6🇵🇱 POLAND205♣x♦A-3-14
-12.0Round 3🇨🇦 CANADA165♠x♦2-1-12
-12.5Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND155♠x♦Q-5-7
-12.6Round 18🇮🇳 INDIA262♦x♦5-4-10