VOLCKER Frederic · MAHAFFEY

57rank
-21.0Butler · 40 bds
-0.53per board
±4.4swing
-1.00vs par /bd
-0.87adjusted /bd
Butler per round: -21 -21by round

vs par split: bidding -1.18 · play +0.21

Strength of schedule: opponents averaged -0.34/bd (an easy draw) → opponent-adjusted -0.87/bd

Card play — on target: opening leads 77.8% · declarer play 81.8% · defence 88.9%

Card play by contract type — on target
vs NTvs a suit
Opening leads·77.8% (9)
Declarer play75.0% (4)85.7% (7)
Defence100.0% (2)87.5% (16)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♦ 100.0% (4) · ♣ 33.3% (3)

vs par by strain: NT -3.89 (9) · a suit -0.10 (30)

vs par by level: part-score -2.36 (14) · game +0.55 (22) · slam -5.67 (3)

By role: declaring -0.25/bd (-3.67 vs par · 21) · defending -0.83/bd (+1.95 vs par · 19)

By vulnerability: vulnerable -1.41/bd (-1.95 vs par · 20) · not vulnerable +0.36/bd (-0.05 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16T.BessisT.Verbeek – D.MolenaarClosed20-9.7-0.48-0.90
Round of 16T.BessisT.Verbeek – D.MolenaarClosed20-11.3-0.57-1.10

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
+8.7Round of 16NETHERLANDS WHITE116♦♣Q=+0
+6.7Round of 16NETHERLANDS WHITE64♥♦A-1+11
+6.5Round of 16NETHERLANDS WHITE354♠♥A-1+5
+5.7Round of 16NETHERLANDS WHITE203NT♦3=-1
+5.3Round of 16NETHERLANDS WHITE25♣x♠A-3+12
+2.8Round of 16NETHERLANDS WHITE13♠♦Q-1-2
+2.8Round of 16NETHERLANDS WHITE332♥♥J=+6
+2.5Round of 16NETHERLANDS WHITE284♥♦Q+1+14
+2.3Round of 16NETHERLANDS WHITE271♠♥5=+0
+2.1Round of 16NETHERLANDS WHITE42♠♣K=+0
+1.9Round of 16NETHERLANDS WHITE301NT♥5-1+0
+1.7Round of 16NETHERLANDS WHITE295♣x♥Q-1+0
+1.5Round of 16NETHERLANDS WHITE82♦♣3-1-1
+1.4Round of 16NETHERLANDS WHITE143♦♥3+1+0
+1.2Round of 16NETHERLANDS WHITE384♥♠A-2+1
+1.1Round of 16NETHERLANDS WHITE73NT♣10+1+0
+0.5Round of 16NETHERLANDS WHITE263♣♥A=-9
+0.4Round of 16NETHERLANDS WHITE213♦♣4=+7
+0.1Round of 16NETHERLANDS WHITE33♦♦3=+1
-0.3Round of 16NETHERLANDS WHITE184♠♥K=+0
-0.3Round of 16NETHERLANDS WHITE344♥♠A=-1
-0.6Round of 16NETHERLANDS WHITE394♠♦Q=+0
-0.7Round of 16NETHERLANDS WHITE174♠♥10-1-4
-0.9Round of 16NETHERLANDS WHITE312♠♦J+1-7
-1.0Round of 16NETHERLANDS WHITE223NT♥8=-11
-1.0Round of 16NETHERLANDS WHITE363NT♠J=+0
-1.7Round of 16NETHERLANDS WHITE135♦♥3-1-6
-2.4Round of 16NETHERLANDS WHITE253NT♦6+1-1
-2.7Round of 16NETHERLANDS WHITE324♠♦K+1+0
-2.9Round of 16NETHERLANDS WHITE157♠♠3=+0
-2.9Round of 16NETHERLANDS WHITE193NT♠Q+1+0
-2.9Round of 16NETHERLANDS WHITE23Adj.♦5-2
-3.3Round of 16NETHERLANDS WHITE121NT♦6-2-5
-4.1Round of 16NETHERLANDS WHITE54♥♦3=+0
-4.5Round of 16NETHERLANDS WHITE374♦♣Q-1-8
-6.5Round of 16NETHERLANDS WHITE406NT♦4-2-17
-7.1Round of 16NETHERLANDS WHITE164♥♣5=-7
-7.4Round of 16NETHERLANDS WHITE94♥♥3+1-1
-8.3Round of 16NETHERLANDS WHITE244♥♠7=+1
-14.7Round of 16NETHERLANDS WHITE102♣x♠7-5-15