DAI Jianming · ZHEJIANGQIANTANG

15rank
+89.1Butler · 144 bds
+0.62per board
±4.4swing
+0.55vs par /bd · #8/30
+0.36adjusted /bd
Butler per round: 37.5 37.5 14.6 14.6 29.1 29.1 -13.3 -13.3 21.2 21.2by round

vs par split: bidding +0.47 · play +0.08

Strength of schedule: opponents averaged -0.26/bd (an easy draw) → opponent-adjusted +0.36/bd

Card play — on target: opening leads 77.6% #17 of 30 · declarer play 71.4% #23 of 30 · defence 90.6% #3 of 30

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (20)78.9% (38)
Declarer play54.5% (11)82.4% (17)
Defence96.4% (28)87.7% (57)

Opening leads by suit led: ♠ 92.9% (14) · ♥ 80.0% (15) · ♦ 83.3% (18) · ♣ 45.5% (11)

vs par by strain: NT +1.06 (48) · a suit +0.29 (96)

vs par by level: part-score +0.36 (55) · game +0.42 (79) · slam +2.60 (10)

By role: declaring +0.26/bd (-2.07 vs par · 59) · defending +0.87/bd (+2.37 vs par · 85)

By vulnerability: vulnerable +0.99/bd (-0.07 vs par · 72) · not vulnerable +0.25/bd (+1.17 vs par · 72)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32L.YangZ.Shao – Y.ShenClosed14+14.8+1.06+2.00
Round of 32L.YangC.Lorenzini – T.BessisClosed14+22.7+1.62+0.79
Round of 16L.YangJ.Roll – A.LevinClosed14+12.9+0.92+1.21
Round of 16L.YangD.Padon – A.BirmanClosed14+1.7+0.12-0.86
QuarterfinalL.YangM.Szymanowski – P.BizonOpen14+18.5+1.32-1.00
QuarterfinalL.YangM.Szymanowski – P.BizonOpen14+10.6+0.76+0.71
SemifinalL.YangR.Li – S.ShenOpen14-6.7-0.48+0.57
SemifinalL.YangR.Li – S.ShenOpen14-6.6-0.47+1.50
FinalL.YangT.Asbi – L.BojohOpen16+16.2+1.01+1.31
FinalL.YangD.Sacul – C.SumampouwClosed16+5.0+0.31-0.69

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
+13.0FinalINDONESIA Mixed36♥♦3=+8
+12.3QuarterfinalPOLAND Seniors41NTx♠6-3+12
+11.3QuarterfinalPOLAND Seniors193NTx♦10-2+12
+11.0SemifinalSAN CHEN FUND173NT♦2+2+14
+10.7Round of 32SHEN83NT♥Q-2+14
+9.9Round of 16ISRAEL Open195♥x♠J-3+9
+9.6Round of 32SHEN196♦♣K-1+13
+9.3FinalINDONESIA Mixed23NT♠10-1+6
+9.2Round of 16ISRAEL Open116♠♦J-1+11
+8.5Round of 32SHEN214♥x♦K-2+9
+8.0FinalINDONESIA Mixed323NT♠K-4+7
+7.0QuarterfinalPOLAND Seniors126♣♥K=+0
+6.1Round of 16ISRAEL Open124♥♣3=+8
+6.1Round of 16ISRAEL Open253♣♠3-2+11
+5.7SemifinalSAN CHEN FUND191NT♦10+1+6
+5.7FinalINDONESIA Mixed262♠♦7-1-11
+5.3SemifinalSAN CHEN FUND66♣♠2-2+16
+5.3SemifinalSAN CHEN FUND104♥♣2+2+2
+5.3FinalINDONESIA Mixed102♥♠3=+6
+5.0QuarterfinalPOLAND Seniors101NT♣A-2+7
+5.0FinalINDONESIA Mixed225♦♣5=+6
+4.4Round of 32SHEN183NT♦8-2+6
+4.3Round of 16ISRAEL Open262NT♦3-3+5
+4.3FinalINDONESIA Mixed193NT♦3-1+12
+4.1Round of 16ISRAEL Open243NT♣4=+0
+4.0Round of 32SHEN123♠♦2-2+5
+4.0SemifinalSAN CHEN FUND132♠♦K-2+10
+4.0SemifinalSAN CHEN FUND234♠♥K=+0
+4.0SemifinalSAN CHEN FUND273♦♠K-1+5
+3.9Round of 32SHEN33NT♣9+2+17
+3.7SemifinalSAN CHEN FUND124♠♠A-1-2
+3.6QuarterfinalPOLAND Seniors283♣♠K-3+7
+3.3QuarterfinalPOLAND Seniors154♠♣3=+0
+3.1Round of 32SHEN236♠♥K=+0
+3.0SemifinalSAN CHEN FUND214♠♣K-2-2
+2.7QuarterfinalPOLAND Seniors231NT♦10+2+0
+2.6Round of 32SHEN266NT♣J=-13
+2.5Round of 16ISRAEL Open52♠♦9=+0
+2.4Round of 32SHEN132♥♠K-1+5
+2.4QuarterfinalPOLAND Seniors21NT♦6-2+0
+2.4QuarterfinalPOLAND Seniors205♦♠K-1+12
+2.3Round of 16ISRAEL Open74♠♥7-1+6
+2.3SemifinalSAN CHEN FUND22♥♦2+2-10
+2.2Round of 32SHEN253♥♦9=+0
+2.2Round of 16ISRAEL Open23♣♥K-2+0
+2.1Round of 16ISRAEL Open213NT♥9-1+4
+1.9QuarterfinalPOLAND Seniors51NT♦Q=+5
+1.7SemifinalSAN CHEN FUND53NT♥3=+1
+1.6QuarterfinalPOLAND Seniors213NT♠K-1+10
+1.4QuarterfinalPOLAND Seniors72♠♥5=-10
+1.3QuarterfinalPOLAND Seniors243♠♣7-1+4
+1.3SemifinalSAN CHEN FUND185♦♠10=+1
+1.3FinalINDONESIA Mixed275♦♥7-1+4
+1.2Round of 16ISRAEL Open185♣♥5=+0
+1.1QuarterfinalPOLAND Seniors253NT♦6+2-10
+1.0SemifinalSAN CHEN FUND284♥♣8+1+0
+0.8Round of 32SHEN62♠♦4+1+1
+0.7QuarterfinalPOLAND Seniors61NT♥4+2+0
+0.7SemifinalSAN CHEN FUND163NT♣9=+1
+0.7FinalINDONESIA Mixed283NT♣A+1+0
+0.6Round of 16ISRAEL Open84♠♥3+1+0
+0.6QuarterfinalPOLAND Seniors172♥x♠9-2-3
+0.5Round of 32SHEN14♥♣K=+1
+0.5Round of 32SHEN161NT♣2+1-1
+0.3Round of 16ISRAEL Open44♠♦Q=-3
+0.3SemifinalSAN CHEN FUND143NT♥3=+1
+0.3FinalINDONESIA Mixed144♠♦3-2+0
+0.3FinalINDONESIA Mixed202♦♥4-1+1
+0.1QuarterfinalPOLAND Seniors142♣♦10+1+0
+0.0Round of 32SHEN42♠♥K-1-5
-0.0Round of 32SHEN54♠♦10=+0
+0.0Round of 16ISRAEL Open63♣♦K+1+0
+0.0QuarterfinalPOLAND Seniors84♠x♥2-2+5
+0.0SemifinalSAN CHEN FUND95♦♠A=+0
-0.0FinalINDONESIA Mixed74♠♠Q+1+0
-0.0FinalINDONESIA Mixed81NT♣9=+5
-0.0FinalINDONESIA Mixed123NT♥2=+0
-0.0FinalINDONESIA Mixed164♥♥10+1+0
+0.0FinalINDONESIA Mixed184♥♠2+2+5
-0.1Round of 32SHEN101NT♠7=+1
-0.1Round of 32SHEN204♠♥A=+0
-0.1Round of 16ISRAEL Open101NT♦2+2-1
-0.1Round of 16ISRAEL Open283♠♦Q=+0
-0.2Round of 32SHEN273NT♥5=-1
-0.3QuarterfinalPOLAND Seniors133NT♦3+2-13
-0.3FinalINDONESIA Mixed63NT♠2-1+0
-0.3FinalINDONESIA Mixed131NT♠2+2+10
-0.3FinalINDONESIA Mixed301NT♠8+1+0
-0.4Round of 32SHEN143NT♣9=+1
-0.5Round of 32SHEN154♠♣4=+0
-0.5Round of 32SHEN225♣♠6=-1
-0.6QuarterfinalPOLAND Seniors263♣♥A+1+0
-0.7Round of 16ISRAEL Open33♥♥3=-1
-0.7FinalINDONESIA Mixed44♠♥5+1-1
-0.7FinalINDONESIA Mixed152♠♥A+1-1
-0.7FinalINDONESIA Mixed293♦♣J-1-1
-0.9Round of 16ISRAEL Open144♥♦A+2+8
-0.9QuarterfinalPOLAND Seniors113NT♠5=-2
-1.0Round of 16ISRAEL Open92♥♠Q=-1
-1.0FinalINDONESIA Mixed11NT♥A+1-1
-1.0FinalINDONESIA Mixed232♥♦A=+0
-1.2Round of 32SHEN92♦♥3+1+0
-1.2Round of 32SHEN282♠♥2+1-1
-1.3SemifinalSAN CHEN FUND44♥♦Q+2-1
-1.3SemifinalSAN CHEN FUND84♠♥3+1+11
-1.3SemifinalSAN CHEN FUND114♥x♥A-1+0
-1.3FinalINDONESIA Mixed214♠♦5+1-10
-1.4Round of 16ISRAEL Open201♠♦A-1+0
-1.6Round of 32SHEN23♥♦2-1-12
-1.7Round of 32SHEN116NT♣J=+0
-1.7QuarterfinalPOLAND Seniors164♠♥K+1+0
-1.7FinalINDONESIA Mixed113♠♣K+1+6
-1.7FinalINDONESIA Mixed244♠♥3=-11
-1.8Round of 16ISRAEL Open221NTx♥3-1-5
-1.9Round of 16ISRAEL Open13♥♣K-1-2
-1.9QuarterfinalPOLAND Seniors274♠♦J+2-1
-2.0SemifinalSAN CHEN FUND265♣♥A-1+6
-2.1Round of 32SHEN244♥x♦A-1+0
-2.3Round of 16ISRAEL Open172♦♠8=-2
-2.4Round of 16ISRAEL Open272NT♥4-2-5
-2.5Round of 32SHEN75♥♦A=+0
-2.7SemifinalSAN CHEN FUND15♦♣J+1+9
-2.9QuarterfinalPOLAND Seniors94♠♥8-2-6
-3.0SemifinalSAN CHEN FUND245♦♠K+2-1
-3.0FinalINDONESIA Mixed94♥♦4=-6
-3.1QuarterfinalPOLAND Seniors33NT♥6-2-11
-3.3SemifinalSAN CHEN FUND154♥♣4=+0
-3.3FinalINDONESIA Mixed252♥x♠A-2-5
-3.6Round of 32SHEN174♠♦2+1+0
-4.0FinalINDONESIA Mixed54♥♦4+2-11
-4.9Round of 16ISRAEL Open232NT♠K=-6
-5.1QuarterfinalPOLAND Seniors16♠♠3+1-1
-5.3FinalINDONESIA Mixed173♦x♠K-2-4
-5.4QuarterfinalPOLAND Seniors184♥♠3=-11
-5.7Round of 16ISRAEL Open136♥♠2=-8
-6.1Round of 16ISRAEL Open163NT♣6+1-10
-6.7FinalINDONESIA Mixed311NT♣J+2-4
-7.0Round of 16ISRAEL Open153NT♦Q-2-13
-7.7QuarterfinalPOLAND Seniors225♣♥A-1-10
-8.7SemifinalSAN CHEN FUND74♥♠K+2-13
-9.0SemifinalSAN CHEN FUND203NT♣3+2+0
-9.3SemifinalSAN CHEN FUND254♠♦A=+1
-10.7SemifinalSAN CHEN FUND223NT♠5=-10
-14.0SemifinalSAN CHEN FUND35♥♥K-7-16