ROSENBERG Debbie · USA 2 Mixed

49rank
+12.5Butler · 42 bds
+0.30per board
±3.2swing
-0.26vs par /bd
+0.08adjusted /bd
Butler per round: 13.5 13.5 -1by round

vs par split: bidding -0.76 · play +0.50

Strength of schedule: opponents averaged -0.22/bd (an easy draw) → opponent-adjusted +0.08/bd

Card play — on target: opening leads 75.0% · declarer play 73.3% · defence 93.3%

Card play by contract type — on target
vs NTvs a suit
Opening leads0.0% (1)85.7% (7)
Declarer play71.4% (7)75.0% (8)
Defence100.0% (3)91.7% (12)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 0.0% (1) · ♦ 50.0% (2) · ♣ 100.0% (3)

vs par by strain: NT +0.47 (15) · a suit -0.67 (27)

vs par by level: part-score +1.58 (19) · game -0.75 (20) · slam -8.67 (3)

By role: declaring +0.93/bd (-1.19 vs par · 27) · defending -0.84/bd (+1.40 vs par · 15)

By vulnerability: vulnerable +0.64/bd (-1.09 vs par · 21) · not vulnerable -0.05/bd (+0.57 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32A.RosenthalJ.Bian – N.LiuOpen14+21.9+1.56-0.79
Round of 32M.Zur-CampanileJ.Zhou – J.HouClosed14-8.4-0.60-1.36
Round of 16M.Zur-CampanileI.Liran – E.FriedlanderClosed14-1.0-0.07+1.36

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
+9.4Round of 32CHINA XHJT36NT♠4=-13
+6.5Round of 16YBT262NT♦6+1+7
+4.7Round of 16YBT254♠♣10=+0
+4.6Round of 16YBT153NT♦Q-1+13
+3.4Round of 16YBT171NT♣J-1+3
+3.0Round of 32CHINA XHJT161NT♠K+4+2
+2.8Round of 32CHINA XHJT183NT♦8-1+5
+2.6Round of 32CHINA XHJT266♠♣J=-13
+2.4Round of 32CHINA XHJT131NT♣4=-1
+2.2Round of 32CHINA XHJT253♥♠3=+0
+1.8Round of 16YBT222♥♦Q=+5
+1.7Round of 32CHINA XHJT116NT♥5=+0
+1.6Round of 32CHINA XHJT23♥♦2-1+12
+1.5Round of 32CHINA XHJT74♥♣6=-1
+1.3Round of 32CHINA XHJT84♠♥7+2-11
+1.3Round of 16YBT201♥♦8+1+0
+1.2Round of 32CHINA XHJT123♦♥2=+0
+1.0Round of 32CHINA XHJT101NT♠K+1+0
+0.8Round of 32CHINA XHJT92♦♣A=-1
+0.8Round of 32CHINA XHJT273NT♥2+1+0
+0.4Round of 32CHINA XHJT14♥♣K+1+0
+0.4Round of 32CHINA XHJT143NT♣7=-1
+0.2Round of 32CHINA XHJT62♠♦4=+0
+0.1Round of 16YBT283♠♦Q=+0
-0.0Round of 32CHINA XHJT42♠♣A-1+5
+0.0Round of 32CHINA XHJT54♠♦10=+0
-0.5Round of 32CHINA XHJT154♠♣6=+0
-0.5Round of 32CHINA XHJT225♣♠3=-1
-0.7Round of 32CHINA XHJT211NT♥5-1+0
-1.1Round of 32CHINA XHJT204♠♥A+1-1
-1.2Round of 32CHINA XHJT283♠♥2=-1
-1.4Round of 32CHINA XHJT195♦♣K=+2
-1.5Round of 16YBT232♥♠2+1+0
-1.9Round of 16YBT195♣♠2=+0
-2.1Round of 32CHINA XHJT244♥x♦A-1+0
-2.7Round of 32CHINA XHJT174♠♦7=+1
-3.1Round of 16YBT183NT♦2+2-2
-3.5Round of 16YBT273♣♥5=+0
-3.8Round of 16YBT213NT♥9-2-5
-4.6Round of 16YBT244♥♠K=-1
-5.0Round of 16YBT161NT♠9+1-1
-9.6Round of 32CHINA XHJT234♠♥K+2-13