🇨🇳 MA Ruo Fei · CHINA

48rank
-77.8Butler · 252 bds
-0.31per board
±4.6swing
-0.67vs par /bd · #53/66
-0.29adjusted /bd
Butler per round: 7.7 -3.4 -17 -14.4 -18.8 10.1 -9.9 -24.5 -26.8 23 -5.2 39.1 -16.7 -24.4 15.4 -8.3 -2.8 0.8 9.7 4.5 -15.9by round

vs par split: bidding -0.54 · play -0.13

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted -0.29/bd

Card play — on target: opening leads 82.2% #29 of 66 · declarer play 78.2% #24 of 66 · defence 86.1% #25 of 66

Bidding activity — not a pass: 37.2% #64 of 66 (259/697)

Card play by contract type — on target
vs NTvs a suit
Opening leads82.6% (23)82.0% (50)
Declarer play65.0% (20)85.7% (35)
Defence83.3% (42)87.3% (102)

Opening leads by suit led: ♠ 75.0% (24) · ♥ 66.7% (12) · ♦ 93.8% (16) · ♣ 90.5% (21)

vs par by strain: NT -0.08 (72) · a suit -0.90 (180)

vs par by level: part-score +0.15 (116) · game -0.92 (118) · slam -4.28 (18)

By role: declaring +0.06/bd (-2.94 vs par · 108) · defending -0.59/bd (+1.03 vs par · 144)

By vulnerability: vulnerable -0.39/bd (-0.82 vs par · 126) · not vulnerable -0.23/bd (-0.52 vs par · 126)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.GeT.Rimnong Ang – W.KedsakunClosed12+7.7+0.64-2.17
Round 2C.GeJ.Zalewska – M.NiklausClosed12-3.4-0.28-2.33
Round 3C.GeC.Bedford – I.La ChapelleOpen12-17.0-1.42-1.08
Round 4C.GeS.Sjodal – T.HaugeOpen12-14.4-1.20-2.33
Round 5C.GeJ.Sigsgaard – E.RosthoejClosed12-18.8-1.57-6.17
Round 6C.GeL.De Wijs – S.De WijsClosed12+10.1+0.84-0.58
Round 7C.GeH.Chow – N.QianOpen12-9.9-0.83-0.83
Round 8C.GeJ.Udomsrirungruang – M.JohnstoneOpen12-24.5-2.04+0.67
Round 9C.GeV.Dalpozzo – F.DalpozzoOpen12-26.8-2.23-1.50
Round 10C.GeA.Toth – Z.BekoOpen12+23.0+1.92+2.33
Round 11C.GeC.Bouton – M.Kurek BeaulieuClosed12-5.2-0.43-0.50
Round 12C.GeC.Belloy – W.SchlumbergerOpen12+39.1+3.26-0.08
Round 13C.GeJ.Hegedus – A.TothOpen12-16.7-1.39-0.75
Round 14C.GeC.Bedford – I.La ChapelleOpen12-24.4-2.03-1.17
Round 15C.GeF.Beekman – M.ChristensenOpen12+15.4+1.28-0.92
Round 16Y.XiuE.Dalpozzo – S.CapobiancoOpen12-8.3-0.69-0.58
Round 18C.GeJ.Zalewska – M.NiklausOpen12-2.8-0.23+0.25
Round 19C.GeB.Choeichuenklin – P.MajanOpen12+0.8+0.07+0.75
Round 20C.GeY.Cai – H.HsiehClosed12+9.7+0.81+0.92
Round 21C.GeA.Kjensli – K.BrekkeClosed12+4.5+0.38+3.33
Round 22C.GeC.Ehrlichman – K.HwangOpen12-15.9-1.32-1.25

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
+13.2Round 12🇫🇷 FRANCE92♥x♣9+2+14
+12.6Round 4🇳🇴 NORWAY206♠♣2-1+13
+11.5Round 19🇹🇭 THAILAND133♦♠T-1+16
+11.1Round 12🇫🇷 FRANCE43NT♥J-1+12
+10.8Round 20🇺🇸 USA194♠♥A=+11
+9.2Round 15🇳🇱 NETHERLANDS154♠♦A-1+12
+9.0Round 2🇵🇱 POLAND131NT♠6+3+9
+8.4Round 12🇫🇷 FRANCE33NT♠4+1+1
+8.4Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♠♥A-1+14
+8.0Round 4🇳🇴 NORWAY224NT♥K-1+11
+7.9Round 21🇳🇴 NORWAY182♠♣K+1+10
+7.7Round 21🇳🇴 NORWAY241NTx♠9=+8
+7.6Round 20🇺🇸 USA184♠♥6-1+10
+7.5Round 6🇳🇱 NETHERLANDS73NT♥A-2+8
+6.5Round 12🇫🇷 FRANCE54♠♦5+1+1
+6.5Round 15🇳🇱 NETHERLANDS232♥♠A-2+7
+6.3Round 18🇵🇱 POLAND114♠♣5+1-11
+6.0Round 19🇹🇭 THAILAND223NT♥5-4+3
+5.7Round 10🇭🇺 HUNGARY25♠x♦A+2+8
+5.7Round 10🇭🇺 HUNGARY93NT♣A+2+1
+5.6Round 6🇳🇱 NETHERLANDS23NT♥2-1+6
+5.6Round 7🇺🇸 USA1164♥♦2=+3
+5.5Round 2🇵🇱 POLAND224♠♦K+1+0
+5.5Round 10🇭🇺 HUNGARY64♠♦K-2+11
+5.1Round 10🇭🇺 HUNGARY103NT♣7+2+0
+5.0Round 12🇫🇷 FRANCE113NT♠J+2+1
+4.9Round 7🇺🇸 USA1243♦♣Q=+0
+4.6Round 11🇫🇷 FRANCE173NT♣3+2+1
+4.6Round 18🇵🇱 POLAND56♠♦A-1+13
+4.6Round 18🇵🇱 POLAND83♠♥K-1-2
+4.5Round 6🇳🇱 NETHERLANDS123NT♠6-1+5
+4.5Round 12🇫🇷 FRANCE66♥♥5=+0
+4.4Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND91NT♣K-1+5
+4.3Round 7🇺🇸 USA1172♠♣K-1+11
+4.3Round 10🇭🇺 HUNGARY14♥♣5-2-5
+4.1Round 15🇳🇱 NETHERLANDS163♣♦A+1+0
+3.9Round 2🇵🇱 POLAND234♥♠J+2-13
+3.9Round 5🇩🇰 DENMARK156NT♥T=-11
+3.9Round 8🇺🇸 USA214♥♠K-3+6
+3.9Round 11🇫🇷 FRANCE163♣♦2=+1
+3.9Round 19🇹🇭 THAILAND183♥♣4-2+3
+3.8Round 19🇹🇭 THAILAND173♣♥5=+0
+3.7Round 6🇳🇱 NETHERLANDS52♣♠A+2+9
+3.6Round 1🇹🇭 THAILAND23NT♠Q-1+6
+3.5Round 5🇩🇰 DENMARK131NT♣3+1+6
+3.5Round 11🇫🇷 FRANCE152♠♥6+1+7
+3.5Round 11🇫🇷 FRANCE183NT♣Q+1+0
+3.5Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♦8-1+5
+3.5Round 16🇮🇹 ITALY12♥♣5+1+0
+3.3Round 16🇮🇹 ITALY83NT♥2-1+10
+3.2Round 9🇮🇹 ITALY203NT♦8+1-1
+3.2Round 11🇫🇷 FRANCE244♥♦A-2+5
+3.1Round 22🇺🇸 USA253♠♣2-3+9
+3.0Round 9🇮🇹 ITALY174♣♦J-2+6
+2.9Round 10🇭🇺 HUNGARY83♦♣T+1+0
+2.5Round 6🇳🇱 NETHERLANDS32♥♣K-4+3
+2.5Round 16🇮🇹 ITALY73♦♦4+2-8
+2.5Round 20🇺🇸 USA163NT♦Q+2+0
+2.5Round 22🇺🇸 USA264♠♣A-1+5
+2.3Round 5🇩🇰 DENMARK224♠x♥A-4-12
+2.3Round 9🇮🇹 ITALY162♥♣6=+0
+2.3Round 16🇮🇹 ITALY93NT♠3-3+7
+2.2Round 13🇭🇺 HUNGARY182♠♥3+2+1
+2.2Round 16🇮🇹 ITALY113♥♣K-2+0
+2.2Round 20🇺🇸 USA133♥♦Q+1+2
+2.1Round 21🇳🇴 NORWAY153♠♥K+3+9
+2.1Round 21🇳🇴 NORWAY174♥♠8-1+10
+2.0Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13♣♠Q+2+1
+2.0Round 11🇫🇷 FRANCE134♥♦3=-16
+2.0Round 12🇫🇷 FRANCE101NT♣3+1+0
+1.9Round 22🇺🇸 USA282♥♦2-1+5
+1.8Round 1🇹🇭 THAILAND44♥♦J+2-9
+1.8Round 1🇹🇭 THAILAND121NT♣3+1+0
+1.7Round 10🇭🇺 HUNGARY124♠♥3=+0
+1.7Round 13🇭🇺 HUNGARY173♦♠7+1+1
+1.7Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND42♠♣6+2+10
+1.7Round 18🇵🇱 POLAND123♦♠5=+0
+1.6Round 1🇹🇭 THAILAND113NT♦4+2-11
+1.6Round 7🇺🇸 USA1154♠♠T=+0
+1.6Round 15🇳🇱 NETHERLANDS183NT♠9=+0
+1.5Round 7🇺🇸 USA1233♥♣T+1+10
+1.5Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♥♦J-3-6
+1.5Round 15🇳🇱 NETHERLANDS243♥♦5-1+4
+1.5Round 16🇮🇹 ITALY62♥♠8+2+7
+1.5Round 19🇹🇭 THAILAND245♣♠8=-1
+1.5Round 20🇺🇸 USA141NT♦5+1+1
+1.5Round 22🇺🇸 USA295♥♠A=+8
+1.4Round 10🇭🇺 HUNGARY74♥♦A=+0
+1.4Round 19🇹🇭 THAILAND142NT♥T=+0
+1.2Round 9🇮🇹 ITALY232NT♥5+1+1
+1.2Round 13🇭🇺 HUNGARY224♥♦2-3-9
+1.2Round 15🇳🇱 NETHERLANDS143♠♦K+1+6
+1.2Round 21🇳🇴 NORWAY226♥♠Q=+0
+1.1Round 1🇹🇭 THAILAND31NT♥Q-1+4
+1.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33♦♣5+1+0
+1.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103NT♠2-1+12
+1.1Round 5🇩🇰 DENMARK181NT♣K=-5
+1.0Round 18🇵🇱 POLAND102♦♥7+3+0
+0.9Round 11🇫🇷 FRANCE214♦♠2-1+5
+0.9Round 15🇳🇱 NETHERLANDS172♦♥T-3-7
+0.8Round 1🇹🇭 THAILAND84♠♣5=+0
+0.8Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♠♦5=-1
+0.8Round 9🇮🇹 ITALY153NT♥7+2+0
+0.8Round 15🇳🇱 NETHERLANDS193NT♠4+1-12
+0.8Round 16🇮🇹 ITALY24♥♠A+1+0
+0.6Round 6🇳🇱 NETHERLANDS114♥♣Q+2-11
+0.5Round 8🇺🇸 USA2122NT♠4-1-4
+0.5Round 13🇭🇺 HUNGARY192♥♠Q+1-1
+0.5Round 15🇳🇱 NETHERLANDS134♠♥3=+1
+0.5Round 22🇺🇸 USA231♠♣A=-5
+0.5Round 22🇺🇸 USA2104♠♦J=+1
+0.4Round 4🇳🇴 NORWAY132♠♥K=+1
+0.4Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♠6+1-1
+0.2Round 1🇹🇭 THAILAND73♣♥K-1+0
+0.2Round 20🇺🇸 USA172♥♣3=-6
+0.1Round 1🇹🇭 THAILAND64♠♠6+2-13
+0.1Round 8🇺🇸 USA284♠♦3+2+11
+0.1Round 16🇮🇹 ITALY53NT♦7+1+1
+0.1Round 18🇵🇱 POLAND62♠♦T=+0
+0.1Round 22🇺🇸 USA223♣♦A+1+0
-0.0Round 6🇳🇱 NETHERLANDS65♥♥4-1-9
-0.0Round 22🇺🇸 USA214♠♦K+1+0
-0.1Round 1🇹🇭 THAILAND14♠♦8=-11
-0.1Round 2🇵🇱 POLAND163NT♥7+2+0
-0.1Round 10🇭🇺 HUNGARY42♠♦A=+11
-0.2Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♥♠A-2+1
-0.2Round 7🇺🇸 USA1142♣♠K-2-1
-0.2Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♠♥6=+0
-0.3Round 5🇩🇰 DENMARK243♠♥3-1-2
-0.4Round 4🇳🇴 NORWAY143♣♥5+1+0
-0.4Round 20🇺🇸 USA122♠♦9+2-6
-0.5Round 1🇹🇭 THAILAND93♣♠K+1+7
-0.5Round 7🇺🇸 USA1134♥♣4-1-6
-0.5Round 7🇺🇸 USA1214♥♣Q+1+0
-0.5Round 13🇭🇺 HUNGARY153♠♦J-1+10
-0.5Round 20🇺🇸 USA113NT♠3=+0
-0.6Round 5🇩🇰 DENMARK214♥♦A+1-11
-0.7Round 5🇩🇰 DENMARK143♣♥3-3+1
-0.7Round 12🇫🇷 FRANCE84♥♣A+1+0
-0.7Round 16🇮🇹 ITALY124♠♣7=+0
-0.8Round 2🇵🇱 POLAND202♠♦7+1+0
-0.8Round 11🇫🇷 FRANCE201NT♠5-2-2
-1.0Round 2🇵🇱 POLAND144♣♠5-1-6
-1.0Round 21🇳🇴 NORWAY213NT♥5+3+12
-1.0Round 22🇺🇸 USA2113♣♦K=-5
-1.1Round 1🇹🇭 THAILAND104♠♥T=+0
-1.2Round 20🇺🇸 USA1123NT♠7+1+0
-1.3Round 9🇮🇹 ITALY134♥♣3-2-8
-1.3Round 13🇭🇺 HUNGARY143♣♠A=-9
-1.4Round 6🇳🇱 NETHERLANDS13NT♥9+2+0
-1.4Round 6🇳🇱 NETHERLANDS42♥♣3+1-7
-1.4Round 12🇫🇷 FRANCE121NT♥T-1-4
-1.4Round 13🇭🇺 HUNGARY163♦♣8-1-2
-1.4Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63♠♣J-1+8
-1.4Round 18🇵🇱 POLAND43NT♠2+3-2
-1.4Round 21🇳🇴 NORWAY202♥♠5+3+0
-1.5Round 9🇮🇹 ITALY246♦♣2=+2
-1.5Round 11🇫🇷 FRANCE144♥♠4+2+11
-1.5Round 15🇳🇱 NETHERLANDS226♣♥T=-8
-1.5Round 18🇵🇱 POLAND72♥♦K+2+8
-1.6Round 1🇹🇭 THAILAND51NT♠4=+1
-1.6Round 8🇺🇸 USA251NT♣5-1-4
-1.6Round 12🇫🇷 FRANCE74♠♥T-1-12
-1.6Round 13🇭🇺 HUNGARY212♠♥K+2+4
-1.6Round 21🇳🇴 NORWAY146♣x♦Q-1-5
-1.7Round 4🇳🇴 NORWAY183♠♥Q=-6
-1.7Round 8🇺🇸 USA231NT♣3=+0
-1.7Round 9🇮🇹 ITALY222♠♣K+2-1
-1.9Round 19🇹🇭 THAILAND162♠♠2+1+0
-2.0Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND115♦♠K-2-12
-2.0Round 5🇩🇰 DENMARK193♥♠9+2-10
-2.0Round 10🇭🇺 HUNGARY52♠♥5-2+1
-2.1Round 8🇺🇸 USA293NT♥3-1-6
-2.2Round 8🇺🇸 USA2114♠♦Q+1-1
-2.3Round 13🇭🇺 HUNGARY234♠♦A=+0
-2.3Round 19🇹🇭 THAILAND192♥♣K+1+0
-2.4Round 8🇺🇸 USA244♥♦6+2-5
-2.4Round 8🇺🇸 USA273♠♣A=+0
-2.5Round 2🇵🇱 POLAND152♥♦A-1-1
-2.5Round 2🇵🇱 POLAND192♦♣Q+2-6
-2.5Round 4🇳🇴 NORWAY154♥♦A+1-8
-2.5Round 16🇮🇹 ITALY33NT♠K-1-12
-2.6Round 19🇹🇭 THAILAND232NT♣A=-1
-2.6Round 20🇺🇸 USA1103♦♠7-1+0
-2.7Round 21🇳🇴 NORWAY131NT♦K-1+0
-2.7Round 21🇳🇴 NORWAY236♥♠4=+0
-3.0Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63♥♠A+1-1
-3.0Round 13🇭🇺 HUNGARY244♥♦4=+0
-3.1Round 2🇵🇱 POLAND182♦♣A=-6
-3.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83NT♠5-1-5
-3.1Round 8🇺🇸 USA266♠♣2+1+11
-3.2Round 6🇳🇱 NETHERLANDS95♥x♠A-2-5
-3.2Round 21🇳🇴 NORWAY161♠♣J+3-4
-3.2Round 22🇺🇸 USA2121♠♥5-3-1
-3.3Round 7🇺🇸 USA1182♥♦3+2-6
-3.3Round 10🇭🇺 HUNGARY113♣♥7+3+1
-3.3Round 12🇫🇷 FRANCE12♠♦A=-9
-3.3Round 19🇹🇭 THAILAND202♦♣7=+0
-3.4Round 2🇵🇱 POLAND174♥♣9+1+0
-3.4Round 4🇳🇴 NORWAY163♣♥4=-6
-3.5Round 5🇩🇰 DENMARK204♥♣K+2-13
-3.5Round 15🇳🇱 NETHERLANDS213♥♣3=-1
-3.5Round 18🇵🇱 POLAND23NT♠7=+2
-3.5Round 18🇵🇱 POLAND33NT♦A+1+0
-3.6Round 2🇵🇱 POLAND216♥♠A=-1
-3.6Round 9🇮🇹 ITALY184♥♣A=-3
-3.8Round 6🇳🇱 NETHERLANDS82♠♦4=-6
-3.9Round 10🇭🇺 HUNGARY32♠♣5+1+0
-3.9Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♠♥6-2-11
-3.9Round 20🇺🇸 USA153NT♠7+1-1
-3.9Round 21🇳🇴 NORWAY193NT♣6+1+0
-4.0Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♥♣3+1+0
-4.0Round 4🇳🇴 NORWAY193NT♥6=+0
-4.2Round 8🇺🇸 USA224♠♦K=-3
-4.2Round 18🇵🇱 POLAND92♠♦J-1+5
-4.4Round 5🇩🇰 DENMARK174♥♦Q-1-4
-4.4Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103NT♠5+1+0
-4.5Round 4🇳🇴 NORWAY233NT♠6=-3
-4.5Round 6🇳🇱 NETHERLANDS102♠♣J+1+0
-4.5Round 19🇹🇭 THAILAND213NT♦J=+0
-4.6Round 12🇫🇷 FRANCE23♦♠A-1-5
-4.8Round 2🇵🇱 POLAND242♠♣A-1-4
-4.9Round 4🇳🇴 NORWAY243NT♥Q=+0
-4.9Round 13🇭🇺 HUNGARY135♠♣4=-4
-5.5Round 11🇫🇷 FRANCE223NT♣A+2-1
-5.9Round 15🇳🇱 NETHERLANDS204♠♣A+2-13
-6.0Round 4🇳🇴 NORWAY176NT♦9-2-14
-6.4Round 5🇩🇰 DENMARK233NT♠4=+1
-6.4Round 7🇺🇸 USA1195♥♣J-1-2
-6.5Round 20🇺🇸 USA1113NT♠6=+0
-6.6Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♥9=+0
-6.6Round 11🇫🇷 FRANCE194♥♦8-1-5
-7.0Round 18🇵🇱 POLAND14♠♦7-1-10
-7.0Round 22🇺🇸 USA272♠♣A=-12
-7.3Round 7🇺🇸 USA1201NT♥K-3-9
-7.3Round 13🇭🇺 HUNGARY206♥♦2=+0
-7.5Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♥♦A=-13
-7.9Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND97NT♥7-2-20
-8.0Round 4🇳🇴 NORWAY216♠x♥A=-16
-8.5Round 9🇮🇹 ITALY144♠♦Q=-3
-8.8Round 16🇮🇹 ITALY43NT♣3=+0
-9.1Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123NT♠3+2-4
-9.3Round 8🇺🇸 USA2102♥x♦7-2+3
-9.5Round 9🇮🇹 ITALY196♣♠Q-1-12
-9.6Round 7🇺🇸 USA1223♥♣7+1-10
-11.2Round 9🇮🇹 ITALY213NT♣4=+1
-11.7Round 5🇩🇰 DENMARK163♠x♣A=-14
-12.4Round 11🇫🇷 FRANCE235♣x♠A-3-12
-12.5Round 16🇮🇹 ITALY102♥x♥K-3-12
-12.7Round 19🇹🇭 THAILAND152♠x♦J=-11
-13.0Round 14🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND26NT♥T+1-9
-14.8Round 22🇺🇸 USA246♠♥7-1-20