ROBERTSON Marion · ROBERTSON

42rank
-3.6Butler · 28 bds
-0.13per board
±4.0swing
+0.93vs par /bd
+0.03adjusted /bd
Butler per round: -3.6 -3.6by round

vs par split: bidding +0.82 · play +0.11

Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +0.03/bd

Card play — on target: opening leads 80.0% · declarer play 66.7% · defence 94.1%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)77.8% (9)
Declarer play0.0% (2)100.0% (4)
Defence100.0% (4)92.3% (13)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (2) · ♦ 50.0% (4) · ♣ 100.0% (2)

vs par by strain: NT +1.57 (7) · a suit +0.71 (21)

vs par by level: part-score -0.08 (12) · game +1.13 (15) · slam +10.00 (1)

By role: declaring +0.53/bd (-0.46 vs par · 11) · defending -0.55/bd (+1.82 vs par · 17)

By vulnerability: vulnerable -0.32/bd (+0.29 vs par · 14) · not vulnerable +0.06/bd (+1.57 vs par · 14)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16S.CopeF.Multon – S.WillardClosed14-4.4-0.31-1.21
Round of 16S.CopeP.Zimmermann – J.ZochowskaClosed14+0.8+0.06+3.07

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
+11.8Round of 16ZIMMERMANN35♣x♦K-2+13
+5.7Round of 16ZIMMERMANN204♥♠8-1+6
+4.5Round of 16ZIMMERMANN186♣♦A-1+10
+3.9Round of 16ZIMMERMANN242♠♥2+2+6
+3.1Round of 16ZIMMERMANN211NT♠3+1+6
+2.8Round of 16ZIMMERMANN143♠♣Q=+0
+2.7Round of 16ZIMMERMANN12NT♥6-1+4
+2.7Round of 16ZIMMERMANN174♥♣10-2+1
+1.5Round of 16ZIMMERMANN273♠♣6-2+9
+0.9Round of 16ZIMMERMANN263NT♦10-2+8
+0.7Round of 16ZIMMERMANN134♠♦5=-1
+0.7Round of 16ZIMMERMANN224♥♠8=+0
+0.2Round of 16ZIMMERMANN123♠♦K=+0
+0.1Round of 16ZIMMERMANN24♥♣6=+0
-0.7Round of 16ZIMMERMANN64♥♣T+1+0
-0.8Round of 16ZIMMERMANN191NT♥7+1+0
-1.0Round of 16ZIMMERMANN101♠♦7+1-6
-1.2Round of 16ZIMMERMANN54♥♥2+1+0
-1.7Round of 16ZIMMERMANN233NT♥2=+1
-2.2Round of 16ZIMMERMANN114♠♦2-2-5
-2.5Round of 16ZIMMERMANN73NT♦J-2-8
-3.6Round of 16ZIMMERMANN42NT♥4=+0
-4.5Round of 16ZIMMERMANN255♣♦5=+13
-4.7Round of 16ZIMMERMANN152♥♠A=-6
-5.0Round of 16ZIMMERMANN284♠♣A-1-6
-5.1Round of 16ZIMMERMANN83♠♣K+2-7
-5.5Round of 16ZIMMERMANN165♥♠K-1-5
-6.4Round of 16ZIMMERMANN93♣♦7+2-7