BERKOWITZ Dana · ROSENTHAL

337rank
-37.4Butler · 60 bds
-0.62per board
±4.6swing
-0.02vs par /bd · #191/379
-0.38adjusted /bd
Butler per round: 8.1 -18.1 15.4 -9.3 -11.7 -21.8by round

vs par split: bidding +0.12 · play -0.13

Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted -0.38/bd

Card play — on target: opening leads 73.1% #303 of 379 · declarer play 62.5% #312 of 379 · defence 88.9% #74 of 379

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)76.2% (21)
Declarer play50.0% (2)66.7% (6)
Defence100.0% (7)86.2% (29)

Opening leads by suit led: ♠ 62.5% (8) · ♥ 75.0% (4) · ♦ 100.0% (7) · ♣ 57.1% (7)

vs par by strain: NT -1.27 (15) · a suit +0.40 (45)

vs par by level: part-score +0.04 (25) · game +0.17 (30) · slam -1.40 (5)

By role: declaring -0.38/bd (-2.46 vs par · 24) · defending -0.78/bd (+1.61 vs par · 36)

By vulnerability: vulnerable -1.43/bd (-0.59 vs par · 29) · not vulnerable +0.13/bd (+0.52 vs par · 31)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3C.WillenkenG.Brekka – A.FuglestadClosed10+8.1+0.81+0.90
Round 4C.WillenkenI.Jenssen – B.RubachClosed10-18.1-1.81-2.60
Round 5C.WillenkenA.Braithwaite – BRAITHWAITE SUSANOpen10+15.4+1.54+3.70
Round 8C.WillenkenA.Manno – F.PiscitelliOpen10-9.3-0.93-1.00
Round 9C.WillenkenA.Bogen – F.BogenClosed10-11.7-1.17+1.50
Round 10C.WillenkenA.Jaszczak – C.BaldyszOpen10-21.8-2.18-2.60

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
+12.0Round 3FUGLESTAD216♦♣6=+11
+8.1Round 5HOFFMAN192♦x♠4-2+9
+7.3Round 5HOFFMAN115♦♥J+1+15
+7.1Round 4I SISTE ELITEN54♥♠Q=+0
+7.1Round 5HOFFMAN174♠♥3+1+1
+6.4Round 8BRENO204♥♦10-1+12
+5.9Round 9LILLEBALUBA235♦♣A=+0
+3.9Round 10A J DIAMONDS33NT♦3+3+1
+3.7Round 3FUGLESTAD292♦♣4-2+3
+3.4Round 3FUGLESTAD243NT♥3-1+5
+2.3Round 5HOFFMAN135♦♦3-1+11
+1.9Round 10A J DIAMONDS52♦♦2+1+1
+1.7Round 4I SISTE ELITEN44♠♦A+1+1
+1.5Round 8BRENO183NT♣10+2+0
+1.5Round 9LILLEBALUBA226♥♦A-1+13
+1.4Round 8BRENO143NT♥3-2+5
+1.2Round 4I SISTE ELITEN22NT♦Q-1+4
+1.1Round 4I SISTE ELITEN14♠♣10=+0
+1.1Round 10A J DIAMONDS105♣♠10=+2
+0.9Round 5HOFFMAN144♣♦J+1+6
+0.4Round 5HOFFMAN162♥♣10-1+5
-0.1Round 9LILLEBALUBA254♥♠K+2+9
-0.4Round 10A J DIAMONDS41NT♠2+2+0
-0.5Round 5HOFFMAN184♥♥6+1+0
-0.5Round 9LILLEBALUBA243♥♣9+1+6
-0.6Round 8BRENO173NT♥6=-11
-0.7Round 3FUGLESTAD233♦♠2=+9
-0.7Round 3FUGLESTAD262♥♦10=+0
-0.7Round 8BRENO132♥♦K=+0
-0.8Round 9LILLEBALUBA293NT♦2=-2
-0.9Round 10A J DIAMONDS64♠♣J=-8
-0.9Round 10A J DIAMONDS94♥♦10+1+13
-1.0Round 3FUGLESTAD254♥♣Q=+0
-1.1Round 4I SISTE ELITEN63NT♣7=-3
-1.1Round 4I SISTE ELITEN101NT♠2-1+1
-1.2Round 4I SISTE ELITEN91NT♠2+1+1
-1.4Round 8BRENO194♠♥9-2+5
-1.4Round 9LILLEBALUBA273♥♣A+1+2
-1.5Round 3FUGLESTAD223♠♦A=+0
-1.6Round 5HOFFMAN203NT♥4+1+0
-1.9Round 3FUGLESTAD274♠♣2-1-10
-2.0Round 9LILLEBALUBA263♣♠3+1+11
-2.1Round 5HOFFMAN121NT♠4-3-10
-2.1Round 8BRENO153♠♠6-1-1
-2.2Round 3FUGLESTAD283♠♥Q=+0
-2.5Round 4I SISTE ELITEN33♥♠J-2+1
-2.6Round 9LILLEBALUBA215♣♣2-1-6
-2.7Round 9LILLEBALUBA303♥♠10+1-7
-2.7Round 10A J DIAMONDS13♥♦2+1-7
-2.8Round 10A J DIAMONDS83NT♠9-2-5
-3.0Round 3FUGLESTAD303♠♣4-1-9
-3.0Round 8BRENO123NT♥2-1-5
-3.5Round 8BRENO114♠♣A-1-10
-6.5Round 5HOFFMAN156♠♦A=+0
-7.3Round 8BRENO165♣♥10-1-5
-9.0Round 9LILLEBALUBA286♠♣2=-11
-9.7Round 10A J DIAMONDS75♣♥6=-10
-11.3Round 10A J DIAMONDS22♦♦2-1-13
-11.5Round 4I SISTE ELITEN82♠x♥Q+2-11
-11.8Round 4I SISTE ELITEN77♦♣K-2-20