🇨🇳 DAI Jianming · CHINA

35rank
-18.5Butler · 63 bds
-0.29per board
±4.5swing
-1.06vs par /bd
-0.34adjusted /bd
Butler per round: -18.5 -18.5 -18.5 -18.5by round

vs par split: bidding -0.97 · play -0.10

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.34/bd

Card play — on target: opening leads 66.7% · declarer play 64.0% · defence 84.0%

Bidding activity — not a pass: 54.4% (99/182)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (4)80.0% (5)
Declarer play62.5% (8)64.7% (17)
Defence100.0% (6)78.9% (19)

Opening leads by suit led: ♠ 60.0% (5) · ♥ 100.0% (2) · ♦ 50.0% (2)

vs par by strain: NT -0.55 (20) · a suit -1.30 (43)

vs par by level: part-score -1.12 (25) · game -0.94 (32) · slam -1.50 (6)

By role: declaring +0.01/bd (-2.68 vs par · 38) · defending -0.75/bd (+1.40 vs par · 25)

By vulnerability: vulnerable -0.17/bd (-0.59 vs par · 32) · not vulnerable -0.42/bd (-1.55 vs par · 31)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalY.ZhangJ.Zochowska – P.SchmidtClosed16+0.2+0.01+0.00
QuarterfinalY.ZhangJ.Zochowska – P.SchmidtClosed15-24.0-1.60-2.27
QuarterfinalY.ZhangV.Reess – L.ThuillezOpen16-9.3-0.58-2.31
QuarterfinalY.ZhangP.Schmidt – J.ZochowskaClosed16+14.6+0.91+0.25

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
+12.0Quarterfinal🇫🇷 FRANCE906♦♠9-1+16
+9.9Quarterfinal🇫🇷 FRANCE126♠♥A-1+13
+9.7Quarterfinal🇫🇷 FRANCE863NT♣J=-1
+7.4Quarterfinal🇫🇷 FRANCE554♠♠Q-1-1
+5.7Quarterfinal🇫🇷 FRANCE42NT♠2-3+4
+5.6Quarterfinal🇫🇷 FRANCE503NT♠J-2+13
+4.3Quarterfinal🇫🇷 FRANCE184♠♥K+1+0
+4.3Quarterfinal🇫🇷 FRANCE943♣♣A+1+1
+4.0Quarterfinal🇫🇷 FRANCE643NT♦8-1+3
+3.9Quarterfinal🇫🇷 FRANCE934♠♦T+1+0
+2.9Quarterfinal🇫🇷 FRANCE872♣x♥Q-1+3
+2.4Quarterfinal🇫🇷 FRANCE523NT♥5+2+0
+2.3Quarterfinal🇫🇷 FRANCE111NT♣3=-1
+2.3Quarterfinal🇫🇷 FRANCE593NT♠4=-2
+2.1Quarterfinal🇫🇷 FRANCE543♠♥8-1-5
+1.7Quarterfinal🇫🇷 FRANCE171NT♣5+2+1
+1.7Quarterfinal🇫🇷 FRANCE534♥♦A+1+0
+1.6Quarterfinal🇫🇷 FRANCE834♥♠5+1+0
+1.6Quarterfinal🇫🇷 FRANCE954♠♥A=+3
+1.1Quarterfinal🇫🇷 FRANCE81NT♠Q+2+6
+1.1Quarterfinal🇫🇷 FRANCE292♠♦T+1-10
+1.1Quarterfinal🇫🇷 FRANCE914♥♥2+2+11
+1.0Quarterfinal🇫🇷 FRANCE63NT♥Q+1+0
+1.0Quarterfinal🇫🇷 FRANCE91NT♥T=-1
+1.0Quarterfinal🇫🇷 FRANCE612♠♥8-1+5
+0.9Quarterfinal🇫🇷 FRANCE14♥♠T+1+0
+0.9Quarterfinal🇫🇷 FRANCE304♥♦J=-1
+0.7Quarterfinal🇫🇷 FRANCE962♠♦K=-1
+0.4Quarterfinal🇫🇷 FRANCE602NT♥6-2+0
+0.3Quarterfinal🇫🇷 FRANCE51NT♠4+1+1
+0.3Quarterfinal🇫🇷 FRANCE232♦♦9=-1
+0.3Quarterfinal🇫🇷 FRANCE284♥♦6-1+5
+0.1Quarterfinal🇫🇷 FRANCE264♦♥K-1-1
+0.0Quarterfinal🇫🇷 FRANCE163NT♠4+2-1
-0.3Quarterfinal🇫🇷 FRANCE633NT♦J+1-1
-0.6Quarterfinal🇫🇷 FRANCE893NT♠Q+1-11
-1.0Quarterfinal🇫🇷 FRANCE154♣♠K-2+0
-1.4Quarterfinal🇫🇷 FRANCE276♠♥A-2-14
-1.6Quarterfinal🇫🇷 FRANCE144♥♠6=-1
-1.7Quarterfinal🇫🇷 FRANCE572♥♣K+1-10
-2.0Quarterfinal🇫🇷 FRANCE192♥♠K-1+1
-2.4Quarterfinal🇫🇷 FRANCE132♠♥5-1+0
-2.4Quarterfinal🇫🇷 FRANCE244♥♠J=+0
-2.4Quarterfinal🇫🇷 FRANCE312♦♠A+1-5
-2.6Quarterfinal🇫🇷 FRANCE34♥♠Q=-3
-3.0Quarterfinal🇫🇷 FRANCE252♠♦A=+0
-3.1Quarterfinal🇫🇷 FRANCE624♠♥8-2-6
-3.1Quarterfinal🇫🇷 FRANCE882♠♣T=-6
-3.3Quarterfinal🇫🇷 FRANCE584♠♣7-1-6
-3.3Quarterfinal🇫🇷 FRANCE825♦♦8+2+10
-3.3Quarterfinal🇫🇷 FRANCE845♣♦2-1-6
-3.4Quarterfinal🇫🇷 FRANCE922NT♣Q-1-5
-3.9Quarterfinal🇫🇷 FRANCE24♥♠J-1-6
-3.9Quarterfinal🇫🇷 FRANCE222♦♠3-2+1
-4.1Quarterfinal🇫🇷 FRANCE813NT♠7-1-5
-4.6Quarterfinal🇫🇷 FRANCE216♥♠2=+0
-5.1Quarterfinal🇫🇷 FRANCE103NT♠4=+1
-5.4Quarterfinal🇫🇷 FRANCE73NTx♠5=-12
-5.4Quarterfinal🇫🇷 FRANCE852♠♥3-1-5
-6.6Quarterfinal🇫🇷 FRANCE514♠♦5=+0
-7.9Quarterfinal🇫🇷 FRANCE496♠♥7-1-14
-13.0Quarterfinal🇫🇷 FRANCE206♣x♥K=-10
-13.3Quarterfinal🇫🇷 FRANCE565♠x♥K=-13