GOLD David · MAHAFFEY

55rank
-9.7Butler · 12 bds
-0.81per board
±3.4swing
-0.33vs par /bd
-1.53adjusted /bd
by round

vs par split: bidding -0.27 · play -0.18

Strength of schedule: opponents averaged -0.72/bd (an easy draw) → opponent-adjusted -1.53/bd

Card play — on target: opening leads 100.0% · declarer play 50.0% · defence 85.7%

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (3)
Declarer play·50.0% (2)
Defence100.0% (1)83.3% (6)

Opening leads by suit led: ♦ 100.0% (3)

vs par by strain: NT +0.50 (2) · a suit -0.50 (10)

vs par by level: part-score -1.40 (5) · game +0.43 (7)

By role: declaring +0.60/bd (-1.50 vs par · 4) · defending -1.51/bd (+0.25 vs par · 8)

By vulnerability: vulnerable +1.07/bd (+1.50 vs par · 6) · not vulnerable -2.68/bd (-2.17 vs par · 6)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16T.ForresterF.Bakkeren – T.BakkerenOpen12-9.7-0.81-0.33

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
+6.2Round of 16T ONSTEIN232♠♥K+2+10
+4.0Round of 16T ONSTEIN224♠♣J+1+0
+1.4Round of 16T ONSTEIN184♥♦2=+7
+0.5Round of 16T ONSTEIN134♥♦Q=+1
+0.1Round of 16T ONSTEIN164♠♦J=+1
-0.9Round of 16T ONSTEIN241NT=+1
-1.2Round of 16T ONSTEIN193♥♣K-1+0
-1.8Round of 16T ONSTEIN152♦♠K+1-13
-3.2Round of 16T ONSTEIN205♦x♥8=-3
-3.8Round of 16T ONSTEIN173NT♣10=+0
-5.2Round of 16T ONSTEIN144♥♦5=-3
-5.8Round of 16T ONSTEIN211♦♥10=-5