CAO Yimei · CANADA

32rank
+35.9Butler · 112 bds
+0.32per board
±4.3swing
+0.57vs par /bd · #28/128
+0.26adjusted /bd
Butler per round: -14.1 -13.7 -4.2 -1.4 18.6 7.5 11.9 31.3by round

vs par split: bidding +0.27 · play +0.30

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.26/bd

Card play — on target: opening leads 73.1% #93 of 128 · declarer play 84.0% #14 of 128 · defence 85.2% #79 of 128

Bidding activity — not a pass: 48.8% #10 of 128 (137/281)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (9)76.5% (17)
Declarer play87.5% (8)82.4% (17)
Defence73.7% (19)90.5% (42)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (5) · ♦ 62.5% (8) · ♣ 70.0% (10)

vs par by strain: NT +0.83 (35) · a suit +0.46 (77)

vs par by level: part-score +0.09 (44) · game +0.65 (60) · slam +2.62 (8)

By role: declaring +0.47/bd (-2.63 vs par · 51) · defending +0.19/bd (+3.25 vs par · 61)

By vulnerability: vulnerable +0.43/bd (+0.93 vs par · 56) · not vulnerable +0.21/bd (+0.21 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2J.GongG.Pender – R.O'Keeffe-BrownClosed14-14.1-1.01+1.64
Round 4J.GongL.De Wijs – S.De WijsOpen14-13.7-0.98-0.43
Round 6J.GongA.Mirkovic – R.SivertsvikClosed14-4.2-0.30-1.93
Round 7J.GongS.Quinn – I.LevitinaClosed14-1.4-0.10-0.14
Round 8J.GongM.White – N.BeningerClosed14+18.6+1.33+2.29
Round 9J.GongM.Kelly-Rogers – A.FitzpatrickOpen14+7.5+0.54+3.43
Round 11J.GongI.Czajka – E.WaniurskaOpen14+11.9+0.85+0.21
Round 12J.GongJ.Ding – H.ZhangOpen14+31.3+2.24-0.50

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
+12.6Round 12YUNNAN216♠♦T-2+13
+12.1Round 12YUNNAN203♠x♥3=+13
+9.9Round 7LEWIS34♠♦J=+11
+9.8Round 4AVENGERS224♠x♣3-3+11
+8.7Round 8MEXICO LINDO287♠♣6=+0
+8.6Round 2TEAM GREEN225♣♠3+2+14
+7.9Round 8MEXICO LINDO234♠♣J-1+6
+7.7Round 11NIC43NT♥Q-2+17
+7.0Round 12YUNNAN226♣♦K-1+3
+6.3Round 8MEXICO LINDO162♥♣K+4+13
+6.2Round 2TEAM GREEN206♥x♠K-1+13
+5.8Round 94MNA41NT♦9+2+10
+5.3Round 94MNA123NT♥J=+5
+4.7Round 6NORDIC FOURS253NT♦9-3+7
+4.7Round 7LEWIS131NT♣4+1+1
+4.7Round 8MEXICO LINDO262♥♣3+3+10
+4.5Round 12YUNNAN276♥♣T=+0
+4.3Round 11NIC134♣♠A=+7
+4.2Round 4AVENGERS252NT♦6-2+6
+4.2Round 11NIC145♥♦A-2+9
+4.0Round 6NORDIC FOURS184♥♠5=-11
+4.0Round 8MEXICO LINDO224♠♦T=+0
+4.0Round 11NIC103NT♦Q+2+1
+4.0Round 12YUNNAN152NT♠6+4-5
+3.8Round 11NIC24♥♦3=+0
+3.7Round 2TEAM GREEN182♥♣7-1+5
+3.5Round 11NIC73♠♥K-3+5
+2.8Round 2TEAM GREEN242♦♣5+2+1
+2.8Round 7LEWIS114♣♥A=+0
+2.6Round 8MEXICO LINDO182NT♣T=+0
+2.5Round 4AVENGERS153NT♠J=-1
+2.3Round 4AVENGERS184♠♥A+1+13
+2.0Round 7LEWIS102♦♣J+2+11
+2.0Round 8MEXICO LINDO152♠♣T+1+1
+1.7Round 94MNA12♦♠Q+2-7
+1.6Round 94MNA84♠x♥A-2+0
+1.5Round 94MNA74NT♠5=+4
+1.5Round 12YUNNAN263♣♥7-1+5
+1.4Round 11NIC113♣♦Q-1+4
+1.3Round 94MNA104♥♣A+1+1
+1.3Round 12YUNNAN195♣x♠7-4-16
+1.1Round 12YUNNAN243♣♦6+2+1
+1.0Round 94MNA54♠♦K-1+12
+0.9Round 4AVENGERS244♠♦A-1+10
+0.9Round 4AVENGERS273NT♠3=+0
+0.9Round 6NORDIC FOURS233NT♣K+1-1
+0.8Round 6NORDIC FOURS263♣♥6=+9
+0.8Round 6NORDIC FOURS281NT♥9-1+2
+0.7Round 6NORDIC FOURS201♠♥8+2-10
+0.7Round 7LEWIS25♣♠J=+11
+0.7Round 94MNA146♠♥3=+11
+0.7Round 12YUNNAN163NT♦Q+2+0
+0.5Round 7LEWIS15♠♥5=+0
+0.5Round 7LEWIS92NT♠J-1+5
+0.4Round 6NORDIC FOURS273NT♥6+1+10
+0.0Round 11NIC83NT♦9=+1
-0.0Round 11NIC123NT♥Q+2-14
-0.1Round 2TEAM GREEN254♥♣Q+1+0
-0.1Round 94MNA132♥♣3-2+8
-0.1Round 11NIC63NT♣T+2-1
-0.2Round 94MNA24♠♣Q=+11
-0.2Round 12YUNNAN173NT♦7+3+11
-0.3Round 6NORDIC FOURS214♣♠2-1-1
-0.3Round 94MNA31NT♥6=-1
-0.4Round 7LEWIS52♠♥6+1+0
-0.4Round 7LEWIS63♣♠A=-1
-0.6Round 2TEAM GREEN283NT♣5=-1
-0.6Round 6NORDIC FOURS193NT♠6+2-1
-0.9Round 11NIC92♦♣3+3-8
-1.2Round 6NORDIC FOURS223NT♥3+2+0
-1.2Round 8MEXICO LINDO193♦♥J+1+0
-1.3Round 2TEAM GREEN273♥♠K-3+0
-1.3Round 11NIC15♦x♠K-1+0
-1.4Round 8MEXICO LINDO244♠♥9=+1
-1.5Round 2TEAM GREEN153NT♠2+2-1
-1.8Round 4AVENGERS284♠♦4=-1
-1.9Round 4AVENGERS163NT♥5+2-1
-1.9Round 12YUNNAN253♠♣8=+0
-1.9Round 12YUNNAN285♣♠A+2-14
-2.0Round 8MEXICO LINDO251NT♦9+1+0
-2.1Round 4AVENGERS191♠♣5+1-10
-2.2Round 2TEAM GREEN235♣♥A+1+10
-2.3Round 6NORDIC FOURS243NT♦4=+0
-2.5Round 8MEXICO LINDO175♥x♠A-3+7
-2.6Round 94MNA92♥♠5+2+6
-2.7Round 7LEWIS44♠♣A-1-12
-2.9Round 7LEWIS144♥♠K=+1
-2.9Round 8MEXICO LINDO214♠♥4=-3
-3.0Round 2TEAM GREEN162♥♦J+2-7
-3.0Round 4AVENGERS213♣♠A-2-5
-3.0Round 12YUNNAN184♥♥6+2-11
-3.3Round 6NORDIC FOURS162♥♣7+3-12
-3.3Round 6NORDIC FOURS176♦♣J-1-8
-3.4Round 7LEWIS73♠♥6-1-11
-3.5Round 8MEXICO LINDO203NT♣8+2+0
-3.9Round 94MNA63♦♠T-1-12
-4.0Round 7LEWIS83NT♣6-1-5
-4.1Round 8MEXICO LINDO275♣♦J=-3
-4.3Round 94MNA114♥♠3=+0
-4.6Round 4AVENGERS202♥♠K-4-7
-4.7Round 2TEAM GREEN173NT♠8+1+0
-4.7Round 4AVENGERS263♣♣J+1-10
-4.9Round 11NIC33♥♥7-1-5
-5.2Round 2TEAM GREEN213NT♠5-2-6
-5.5Round 6NORDIC FOURS154♠♥K=-11
-6.5Round 12YUNNAN231♠♣3+2-7
-6.9Round 2TEAM GREEN195♣x♦A=-4
-7.0Round 4AVENGERS176♣♥K-1-11
-8.7Round 7LEWIS123NT♥4-2-13
-9.2Round 4AVENGERS233NT♥T=+0
-9.8Round 11NIC54♠♥3=-13
-9.9Round 2TEAM GREEN264♥♦A=-1