LEBOWITZ Laurence · LEBOWITZ

82rank
-35.6Butler · 98 bds
-0.36per board
±5.1swing
-0.05vs par /bd · #51/107
-0.57adjusted /bd
Butler per round: -4.4 -5.4 21.9 -14 -24.6 15.1 -24.2by round

vs par split: bidding +0.63 · play -0.68

Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted -0.57/bd

Card play — on target: opening leads 75.0% #89 of 107 · declarer play 66.7% #85 of 107 · defence 80.4% #97 of 107

Bidding activity — not a pass: 39.6% #77 of 107 (113/285)

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (15)69.2% (13)
Declarer play77.8% (9)58.3% (12)
Defence76.9% (26)84.0% (25)

Opening leads by suit led: ♠ 66.7% (6) · ♥ 66.7% (9) · ♦ 83.3% (6) · ♣ 85.7% (7)

vs par by strain: NT +0.73 (41) · a suit -0.61 (57)

vs par by level: part-score +0.39 (31) · game -0.61 (56) · slam +1.54 (11)

By role: declaring -0.54/bd (-2.40 vs par · 47) · defending -0.20/bd (+2.12 vs par · 51)

By vulnerability: vulnerable +0.04/bd (+1.53 vs par · 49) · not vulnerable -0.77/bd (-1.63 vs par · 49)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.GrossackD.Filipowicz – S.MaskaraClosed14-4.4-0.31-0.71
Round 2A.GrossackM.Schireson – M.RosenbergOpen14-5.4-0.39-2.07
Round 4D.BildeG.Shen – C.DongOpen14+21.9+1.56+2.64
Round 5D.BildeE.Rodwell – D.SimsonClosed14-14.0-1.00-0.64
Round 6D.BildeS.Hans – A.HungOpen14-24.6-1.76-0.71
Round 7A.GrossackJ.Chen – J.ZhangOpen14+15.1+1.08+2.79
Round 8A.GrossackM.Klukowski – J.KalitaOpen14-24.2-1.73-1.64

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
+13.0Round 2ROSENBERG266♠♠J-1+13
+12.6Round 1MAVERICKS124♥x♣A=+12
+9.3Round 7CHINA 233NT♥7+3+17
+8.9Round 4CHINA OPEN TEAM 1153NT♣4-1+17
+8.2Round 4CHINA OPEN TEAM 1184♥x♦A-3+9
+7.9Round 7CHINA 2133NT♦7-4+14
+7.5Round 4CHINA OPEN TEAM 1206♣x♥A-2+12
+7.5Round 4CHINA OPEN TEAM 1233♥♠6+1+8
+6.4Round 4CHINA OPEN TEAM 1213NT♦3=+0
+5.3Round 4CHINA OPEN TEAM 1193NT♥3-6+0
+5.3Round 8ZIMMERMANN203NT♣Q-2+13
+4.9Round 2ROSENBERG283NT♠6=-1
+4.7Round 8ZIMMERMANN183NT♣J-3+6
+4.6Round 6SHOURIE284♥♦J+2+11
+4.4Round 1MAVERICKS43NT♠5+1+1
+4.3Round 5SIMSON63NT♠K+1+10
+3.7Round 5SIMSON94♥♦J=+8
+3.6Round 7CHINA 213♥♣A+1+6
+3.5Round 5SIMSON84♥♦K=-11
+3.1Round 6SHOURIE152♦♦3+3-10
+3.0Round 2ROSENBERG222♥♦6=+6
+2.7Round 1MAVERICKS55♠x♦J-1+0
+2.7Round 7CHINA 2123♥♣5-2+0
+2.6Round 1MAVERICKS143♥x♦K-2+12
+2.5Round 6SHOURIE192NT♦2-1+5
+2.4Round 7CHINA 283NT♦J-2+5
+2.4Round 8ZIMMERMANN243NT♠6-2+0
+2.1Round 7CHINA 242♠♥7=+6
+2.1Round 7CHINA 2111NT♠4=+5
+2.1Round 8ZIMMERMANN264♥♦K=+0
+1.9Round 5SIMSON13NT♣3=-1
+1.9Round 7CHINA 2102♦♣8=-1
+1.6Round 4CHINA OPEN TEAM 1272NT♦9-3+0
+1.6Round 5SIMSON104♣♥A=+10
+1.3Round 8ZIMMERMANN176♣♥4=+0
+1.2Round 4CHINA OPEN TEAM 1242♦♥6-1+8
+1.2Round 6SHOURIE272♥♠7+1+0
+0.9Round 8ZIMMERMANN163NT♣5=+0
+0.8Round 8ZIMMERMANN152♠♥Q-1-2
+0.7Round 2ROSENBERG184♦x♥T-2+5
+0.6Round 1MAVERICKS33♥♣Q=-7
+0.6Round 7CHINA 261NT♣3=+0
+0.4Round 6SHOURIE243♣♦9+1-7
+0.3Round 2ROSENBERG164♥♣J=+0
+0.3Round 4CHINA OPEN TEAM 1253NT♠5+1+1
+0.2Round 1MAVERICKS133♥♠2+1-1
+0.2Round 2ROSENBERG244♠♦9-1+2
+0.2Round 4CHINA OPEN TEAM 1173NT♥Q+1+0
+0.2Round 5SIMSON114♥♠2=+1
+0.0Round 8ZIMMERMANN273NT♠4+2+11
-0.1Round 5SIMSON24♠♥6+1-11
-0.2Round 2ROSENBERG214♥♠A-1-6
-0.2Round 5SIMSON33NT♦Q+1-1
-0.2Round 5SIMSON44♥♠3+1+0
-0.2Round 7CHINA 254♥♣T=-1
-0.4Round 1MAVERICKS101NT♦6=-1
-0.5Round 1MAVERICKS14♥♦Q=+0
-0.6Round 6SHOURIE174♠♦5=-8
-0.6Round 8ZIMMERMANN283NT♦A-1-2
-0.7Round 1MAVERICKS81NT♣A+1-6
-1.1Round 6SHOURIE186NT♠2=+11
-1.4Round 4CHINA OPEN TEAM 1266NT♣7=+0
-1.6Round 2ROSENBERG152♠♣7=+0
-1.6Round 2ROSENBERG251♦♠Q+3-7
-1.6Round 6SHOURIE163NT♥2+2-1
-1.6Round 6SHOURIE211NT♠J=+1
-1.7Round 7CHINA 273NT♠3+2-1
-2.1Round 2ROSENBERG234♥♣5+1-13
-2.2Round 1MAVERICKS114♥♠4-1-10
-2.5Round 6SHOURIE234♥♣4+2-1
-2.6Round 1MAVERICKS24♥♠5=+0
-2.6Round 6SHOURIE253NT♦3+2-11
-3.0Round 1MAVERICKS93♥♣4-3+0
-3.0Round 2ROSENBERG275♣♥A-1-8
-3.2Round 6SHOURIE206♥♥8=+13
-3.3Round 5SIMSON54♥♠Q+1-11
-3.3Round 5SIMSON144♦♦6-2-5
-3.3Round 7CHINA 224♦♠4-2+5
-3.6Round 2ROSENBERG193NT♠Q=+0
-4.7Round 8ZIMMERMANN221NTx♥T-1-5
-5.0Round 5SIMSON73NT♣4+3+12
-5.2Round 2ROSENBERG171NT♥4-3-7
-5.7Round 5SIMSON134♥♠2=+0
-5.9Round 1MAVERICKS66♠x♦8-4+7
-6.0Round 7CHINA 293NT♠5-1-10
-6.3Round 7CHINA 2142NT♠9+1-6
-6.8Round 8ZIMMERMANN253NT♦4+1-11
-6.9Round 4CHINA OPEN TEAM 1226♠♥5=+0
-7.1Round 4CHINA OPEN TEAM 1164♠♥K=-7
-8.3Round 8ZIMMERMANN193NT♥2-1-14
-9.8Round 4CHINA OPEN TEAM 1283NT♣T+1-11
-10.2Round 2ROSENBERG206♠♦K-1-13
-10.3Round 8ZIMMERMANN216♠♦K-1-9
-10.6Round 6SHOURIE264♥♣8=+0
-11.0Round 8ZIMMERMANN233NT♥Q=-10
-11.4Round 5SIMSON125♣x♦8=-10
-12.2Round 1MAVERICKS77♠x♥K-1-17
-12.6Round 6SHOURIE225♣x♥T=-13