PSZCZOLA Jacek · MAHAFFEY

58rank
-8.1Butler · 14 bds
-0.58per board
±5.3swing
-1.36vs par /bd
-1.10adjusted /bd
by round

vs par split: bidding -0.71 · play -0.64

Strength of schedule: opponents averaged -0.52/bd (an easy draw) → opponent-adjusted -1.10/bd

Card play — on target: opening leads 66.7% · declarer play 66.7% · defence 100.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads·66.7% (3)
Declarer play60.0% (5)100.0% (1)
Defence100.0% (1)100.0% (4)

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

vs par by strain: NT -1.17 (6) · a suit -1.50 (8)

vs par by level: part-score -3.20 (5) · game -0.38 (8) · slam +0.00 (1)

By role: declaring -0.98/bd (-4.67 vs par · 9) · defending +0.14/bd (+4.60 vs par · 5)

By vulnerability: vulnerable -3.07/bd (-2.43 vs par · 7) · not vulnerable +1.91/bd (-0.29 vs par · 7)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16S.LevP.Jassem – J.WojcieszekClosed14-8.1-0.58-1.36

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
+9.9Round of 16MAZURKIEWICZ216♠♣7=+0
+7.5Round of 16MAZURKIEWICZ154♠♣K+2+13
+4.2Round of 16MAZURKIEWICZ222♥♦J-2+5
+3.1Round of 16MAZURKIEWICZ273NT♦2+1+1
+2.5Round of 16MAZURKIEWICZ232♠♣Q+2-10
-0.2Round of 16MAZURKIEWICZ181NT♠6=-1
-0.3Round of 16MAZURKIEWICZ174♥♥Q+1+0
-1.7Round of 16MAZURKIEWICZ193NT♣3=-2
-2.5Round of 16MAZURKIEWICZ243NT♥9-1-10
-4.1Round of 16MAZURKIEWICZ281NT♣2-2-5
-4.2Round of 16MAZURKIEWICZ252♦♥Q=-5
-6.5Round of 16MAZURKIEWICZ163NT♥Q+1+10
-6.9Round of 16MAZURKIEWICZ265♥♦A-3-10
-8.9Round of 16MAZURKIEWICZ204♠x♠5-3-5