BERKOWITZ David · GOODMAN

30rank
+36.6Butler · 42 bds
+0.87per board
±4.2swing
+0.45vs par /bd
+1.76adjusted /bd
Butler per round: 6.9 11.1 18.6by round

vs par split: bidding +0.43 · play +0.02

Strength of schedule: opponents averaged +0.89/bd (a tough draw) → opponent-adjusted +1.76/bd

Card play — on target: opening leads 85.7% · declarer play 81.8% · defence 85.7%

Bidding activity — not a pass: 44.9% (48/107)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)84.6% (13)
Declarer play100.0% (4)71.4% (7)
Defence50.0% (2)89.5% (19)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 87.5% (8) · ♦ 50.0% (2) · ♣ 100.0% (1)

vs par by strain: NT +0.71 (7) · a suit +0.40 (35)

vs par by level: part-score +2.29 (21) · game -1.58 (19) · slam +0.50 (2)

By role: declaring +1.08/bd (-1.33 vs par · 21) · defending +0.66/bd (+2.24 vs par · 21)

By vulnerability: vulnerable +1.12/bd (+0.10 vs par · 21) · not vulnerable +0.62/bd (+0.81 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 6J.MeckstrothB.Platnick – K.RosenbergOpen14+6.9+0.49-2.14
Round 7J.MeckstrothS.Cubukcu – I.CubukcuOpen14+11.1+0.79+1.14
Round 8J.MeckstrothB.Chmurski – P.TuczynskiOpen14+18.6+1.33+2.36

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
+12.1Round 6ROSENBERG236♣x♥J=+4
+7.3Round 8SV BRIDGE CLUB202NT♥3-3+9
+7.1Round 6ROSENBERG284♠x♥K-2+5
+5.9Round 8SV BRIDGE CLUB175♦♠K=+0
+5.2Round 8SV BRIDGE CLUB274♠♦3+2+11
+5.0Round 8SV BRIDGE CLUB182♥♦2-3+5
+4.7Round 6ROSENBERG166♣♥K-1-3
+4.2Round 6ROSENBERG153NT♣6=+0
+4.2Round 8SV BRIDGE CLUB154♠x♠K+1+6
+3.8Round 6ROSENBERG262♠♥4-2+7
+3.8Round 7AVIXA72♠♠3-1-1
+3.4Round 7AVIXA85♥♠A-1-4
+3.3Round 7AVIXA104♥♦6=+0
+3.2Round 7AVIXA22♥♥6-1+5
+2.1Round 6ROSENBERG182♠♥5+3-3
+1.7Round 7AVIXA41NT♥A+1+0
+1.6Round 8SV BRIDGE CLUB164♠♣A+1+0
+1.5Round 8SV BRIDGE CLUB262NT♥7=+6
+1.4Round 7AVIXA52♥♣4=+0
+0.8Round 6ROSENBERG173NT♣9+2+0
+0.8Round 7AVIXA64♥♠A=+0
+0.4Round 6ROSENBERG193♠♣J-1-1
+0.3Round 6ROSENBERG273♠♥J=+1
+0.3Round 7AVIXA94♦♠K=+7
+0.2Round 8SV BRIDGE CLUB232♠♣A=-1
+0.1Round 6ROSENBERG252♥♠4+1+0
-0.2Round 8SV BRIDGE CLUB242♠♠7=-1
-0.3Round 7AVIXA123♠♦J+2+12
-0.4Round 7AVIXA114♠♣Q+1+0
-0.6Round 8SV BRIDGE CLUB222♠♣K+2+6
-0.6Round 8SV BRIDGE CLUB282♠♥K+2+10
-0.9Round 7AVIXA144♥♦9=-1
-1.1Round 7AVIXA34♥♠T+1+0
-1.4Round 7AVIXA12♥♥A+1-1
-1.8Round 8SV BRIDGE CLUB212NT♣6+1-6
-2.7Round 7AVIXA134♠♦7+1-1
-2.8Round 8SV BRIDGE CLUB252♥♥J=-6
-5.0Round 6ROSENBERG223NT♦4+1-4
-5.7Round 6ROSENBERG214♠♥6=-7
-6.3Round 8SV BRIDGE CLUB194♠♥K=-6
-7.0Round 6ROSENBERG204♠♥A+3-17
-11.0Round 6ROSENBERG244♥x♣5-3-12