ROSENBERG Michael · ROSENBERG

79rank
-34.6Butler · 112 bds
-0.31per board
±4.3swing
+0.58vs par /bd · #26/107
-0.38adjusted /bd
Butler per round: -12.9 5.4 -10.8 13.9 -23.3 -11.8 4.6 0.3by round

vs par split: bidding +0.99 · play -0.41

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted -0.38/bd

Card play — on target: opening leads 83.3% #54 of 107 · declarer play 70.8% #71 of 107 · defence 88.1% #50 of 107

Bidding activity — not a pass: 38.6% #84 of 107 (134/347)

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)90.0% (20)
Declarer play42.9% (7)82.4% (17)
Defence76.5% (17)92.9% (42)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 70.0% (10) · ♦ 87.5% (8) · ♣ 83.3% (6)

vs par by strain: NT +0.20 (30) · a suit +0.72 (82)

vs par by level: part-score +1.23 (43) · game -0.11 (56) · slam +1.39 (13)

By role: declaring -0.15/bd (-2.64 vs par · 53) · defending -0.45/bd (+3.48 vs par · 59)

By vulnerability: vulnerable -0.62/bd (+1.59 vs par · 56) · not vulnerable +0.00/bd (-0.43 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.SchiresonB.Chmurski – I.ChalupecOpen14-12.9-0.92+0.64
Round 2M.SchiresonA.Grossack – L.LebowitzOpen14+5.4+0.39+2.07
Round 3M.SchiresonW.Ho – G.HoClosed14-10.8-0.77+2.57
Round 4M.SchiresonS.Maskara – D.FilipowiczOpen14+13.9+0.99+2.43
Round 5D.RosenbergJ.Wolfson – S.GarnerClosed14-23.3-1.66-1.29
Round 6D.RosenbergM.Klukowski – J.KalitaClosed14-11.8-0.84+0.07
Round 7D.RosenbergA.Palma – A.MannoOpen14+4.6+0.33-1.57
Round 8D.RosenbergG.Shen – C.DongOpen14+0.3+0.02-0.29

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
+11.6Round 3HOBRA64♠♥2+1+13
+10.2Round 2LEBOWITZ206♠♦K-1+13
+10.2Round 7OVERDECK135♣♦5=+0
+9.5Round 8CHINA OPEN TEAM 1204♠♣Q=-1
+8.9Round 4MAVERICKS153NT♣K-1+17
+8.4Round 4MAVERICKS283NT♣T-3+9
+6.4Round 4MAVERICKS213NT♦4=+0
+5.9Round 1SV BRIDGE CLUB34♣♥K=+11
+5.4Round 7OVERDECK63♣♠4-3+6
+5.2Round 2LEBOWITZ171NT♥4-3+7
+4.9Round 3HOBRA102♠♣9+2+10
+4.7Round 8CHINA OPEN TEAM 1222♥♣6-2+5
+4.2Round 7OVERDECK43♣♠K+1+0
+4.0Round 4MAVERICKS164♠♥K-1+5
+3.6Round 2LEBOWITZ193NT♠Q=+0
+3.5Round 3HOBRA83♦♠A+2+6
+3.5Round 5WOLFSON84♥♦K=-11
+3.1Round 1SV BRIDGE CLUB124♥♣A-1+6
+3.1Round 6ZIMMERMANN152♦♣K+3-10
+3.0Round 2LEBOWITZ275♣♥A-1+8
+2.8Round 5WOLFSON123♥♣A-1+6
+2.7Round 8CHINA OPEN TEAM 1184♦♥5=+1
+2.6Round 1SV BRIDGE CLUB24♥♦3=+0
+2.6Round 5WOLFSON103♥♣T-1+11
+2.6Round 8CHINA OPEN TEAM 1233♦♣K=+0
+2.5Round 6ZIMMERMANN192NT♦3-1+5
+2.4Round 7OVERDECK14♥♠2=+0
+2.4Round 7OVERDECK122♠♦Q-1+5
+2.2Round 1SV BRIDGE CLUB114♥♠2-1+10
+2.1Round 2LEBOWITZ234♥♣5+1+13
+2.0Round 7OVERDECK111NT♠6-1-2
+1.7Round 6ZIMMERMANN223♠♥T-1-1
+1.6Round 2LEBOWITZ152♠♣7=+0
+1.6Round 2LEBOWITZ251♦♠Q+3+7
+1.6Round 4MAVERICKS205♣♠2-2+8
+1.6Round 4MAVERICKS272♠♦3+1+0
+1.4Round 7OVERDECK93♣♥4+1+7
+1.2Round 3HOBRA94♦♥Q-1+4
+1.2Round 6ZIMMERMANN272♥♦2+1+0
+0.9Round 5WOLFSON24♠♦3+2-11
+0.7Round 1SV BRIDGE CLUB81NT♣Q+1+6
+0.7Round 7OVERDECK73NT♠6+1+0
+0.6Round 8CHINA OPEN TEAM 1284♣♥A-1+2
+0.5Round 1SV BRIDGE CLUB14♥♦Q=+0
+0.5Round 5WOLFSON143♥♣Q-1-2
+0.4Round 6ZIMMERMANN243♣♠K+1-7
+0.3Round 3HOBRA74♠♦K=+13
+0.2Round 2LEBOWITZ214♥♠A-1+6
+0.2Round 4MAVERICKS173NT♠8+1+0
+0.2Round 5WOLFSON114♥♦3=+1
+0.1Round 1SV BRIDGE CLUB145♦♥T=-11
+0.1Round 7OVERDECK53NT♣9+1+1
+0.1Round 7OVERDECK143NT♦J=+0
-0.1Round 3HOBRA144♦♠Q-2+1
-0.2Round 1SV BRIDGE CLUB133♥♥6+1+1
-0.2Round 2LEBOWITZ244♠♦9-1-2
-0.2Round 5WOLFSON33NT♦2+1-1
-0.2Round 5WOLFSON44♥♠T+1+0
-0.3Round 2LEBOWITZ164♥♣J=+0
-0.6Round 6ZIMMERMANN174♠♦4=-8
-0.7Round 2LEBOWITZ184♦x♥T-2-5
-0.7Round 4MAVERICKS243♦♥8-2+7
-0.8Round 4MAVERICKS253NT♠6=+0
-0.9Round 3HOBRA53♦♦2+1-1
-0.9Round 4MAVERICKS184♠♥A=+0
-0.9Round 8CHINA OPEN TEAM 1163NT♣5=+0
-1.1Round 8CHINA OPEN TEAM 1273NT♠4+1-11
-1.2Round 6ZIMMERMANN262♥♦Q+1+10
-1.3Round 8CHINA OPEN TEAM 1176♣♥5=+0
-1.4Round 4MAVERICKS266♥♣3=+0
-1.5Round 6ZIMMERMANN253NT♦3+1-11
-1.5Round 8CHINA OPEN TEAM 1217♦x♥K-3-5
-1.6Round 6ZIMMERMANN163NT♥3+2-1
-1.6Round 6ZIMMERMANN234♥♣3+1+0
-1.7Round 3HOBRA134♥♣6-1-12
-1.9Round 8CHINA OPEN TEAM 1193NT♥9=+11
-2.1Round 3HOBRA124♦♥9-1-4
-2.1Round 6ZIMMERMANN186NT♠4+1+11
-2.1Round 8CHINA OPEN TEAM 1264♥♣5=+0
-2.3Round 6ZIMMERMANN213♣♦3=+0
-2.3Round 7OVERDECK102♥♣A-1+0
-2.4Round 7OVERDECK24♠♥3-1-10
-2.4Round 8CHINA OPEN TEAM 1153♣♥Q-2+0
-2.6Round 3HOBRA43NT♠5+2-2
-2.6Round 8CHINA OPEN TEAM 1243♦♣A=+0
-2.7Round 1SV BRIDGE CLUB54♠x♦J-1+0
-2.7Round 4MAVERICKS234♥♠2=-3
-2.7Round 5WOLFSON54♥♠Q+2-11
-2.8Round 1SV BRIDGE CLUB74♠♠3+2+13
-2.9Round 3HOBRA32NT♠J=+0
-3.0Round 2LEBOWITZ222♥♦6=-6
-3.2Round 6ZIMMERMANN206♥♥3=+13
-3.4Round 1SV BRIDGE CLUB91NT♦6=-6
-3.5Round 1SV BRIDGE CLUB43NT♠4=+0
-3.8Round 4MAVERICKS193♥♣A-1-9
-4.2Round 5WOLFSON73NT♥6+2+12
-4.4Round 5WOLFSON94♠x♥7-2+0
-4.9Round 2LEBOWITZ283NT♠6=+1
-5.4Round 1SV BRIDGE CLUB101NT♥3-3-5
-6.0Round 8CHINA OPEN TEAM 1253NT♦4-1-6
-6.1Round 3HOBRA11♠♦3+1-7
-6.5Round 3HOBRA116♣♠8=+2
-6.6Round 5WOLFSON66♣♠J=+0
-6.6Round 5WOLFSON134♥♠4+1-1
-6.6Round 6ZIMMERMANN286♥♦5=+0
-6.9Round 4MAVERICKS226♠♥5=+0
-8.9Round 5WOLFSON14♥♣3-2-11
-9.3Round 7OVERDECK34NT♥7+2-17
-9.4Round 3HOBRA26♦♣K=+13
-10.0Round 1SV BRIDGE CLUB66♥♦6-2-16
-10.3Round 7OVERDECK83NTx♥T-3-12
-13.0Round 2LEBOWITZ266♠♠J-1-13