GROSSACK Adam · LEBOWITZ

70rank
-11.1Butler · 70 bds
-0.16per board
±4.8swing
-0.30vs par /bd · #68/107
-0.29adjusted /bd
Butler per round: -4.4 -5.4 7.8 15.1 -24.2by round

vs par split: bidding +0.03 · play -0.33

Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted -0.29/bd

Card play — on target: opening leads 73.3% #94 of 107 · declarer play 75.0% #57 of 107 · defence 80.6% #96 of 107

Bidding activity — not a pass: 43.1% #56 of 107 (91/211)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (6)88.9% (9)
Declarer play75.0% (4)75.0% (16)
Defence73.3% (15)87.5% (16)

Opening leads by suit led: ♠ 60.0% (5) · ♥ 100.0% (2) · ♦ 75.0% (4) · ♣ 75.0% (4)

vs par by strain: NT -0.46 (26) · a suit -0.20 (44)

vs par by level: part-score -0.35 (23) · game +0.15 (40) · slam -2.71 (7)

By role: declaring -0.75/bd (-2.59 vs par · 39) · defending +0.58/bd (+2.58 vs par · 31)

By vulnerability: vulnerable +0.53/bd (-0.23 vs par · 35) · not vulnerable -0.85/bd (-0.37 vs par · 35)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1L.LebowitzD.Filipowicz – S.MaskaraClosed14-4.4-0.31-0.71
Round 2L.LebowitzM.Schireson – M.RosenbergOpen14-5.4-0.39-2.07
Round 5M.RimstedtD.Grainger – J.WooldridgeOpen14+7.8+0.56+0.14
Round 7L.LebowitzJ.Chen – J.ZhangOpen14+15.1+1.08+2.79
Round 8L.LebowitzM.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
+7.9Round 7CHINA 2133NT♦7-4+14
+6.6Round 5SIMSON66♣♠J=+0
+5.7Round 5SIMSON134♥♠4=+0
+5.3Round 8ZIMMERMANN203NT♣Q-2+13
+4.9Round 2ROSENBERG283NT♠6=-1
+4.7Round 8ZIMMERMANN183NT♣J-3+6
+4.4Round 1MAVERICKS43NT♠5+1+1
+3.6Round 7CHINA 213♥♣A+1+6
+3.3Round 5SIMSON54♥♥5+1+11
+3.3Round 5SIMSON74NT♠7=-12
+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
+2.4Round 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 7CHINA 2102♦♣8=-1
+1.3Round 5SIMSON33NT♠2=+2
+1.3Round 8ZIMMERMANN176♣♥4=+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
+0.3Round 2ROSENBERG164♥♣J=+0
+0.2Round 1MAVERICKS133♥♠2+1-1
+0.2Round 2ROSENBERG244♠♦9-1+2
+0.2Round 5SIMSON44♥♠Q+1+0
+0.0Round 8ZIMMERMANN273NT♠4+2+11
-0.2Round 2ROSENBERG214♥♠A-1-6
-0.2Round 5SIMSON114♥♦5=-1
-0.2Round 7CHINA 254♥♣T=-1
-0.4Round 1MAVERICKS101NT♦6=-1
-0.5Round 1MAVERICKS14♥♦Q=+0
-0.6Round 8ZIMMERMANN283NT♦A-1-2
-0.7Round 1MAVERICKS81NT♣A+1-6
-0.7Round 5SIMSON94♠x♦A-3-5
-0.9Round 5SIMSON24♠♥Q+2+11
-1.1Round 5SIMSON125♦♣A-2-5
-1.6Round 2ROSENBERG152♠♣7=+0
-1.6Round 2ROSENBERG251♦♠Q+3-7
-1.6Round 5SIMSON103♣♥A+1-10
-1.7Round 7CHINA 273NT♠3+2-1
-1.9Round 5SIMSON143♥♦7-2+0
-2.1Round 2ROSENBERG234♥♣5+1-13
-2.2Round 1MAVERICKS114♥♠4-1-10
-2.6Round 1MAVERICKS24♥♠5=+0
-2.7Round 5SIMSON14♥♣3=+0
-3.0Round 1MAVERICKS93♥♣4-3+0
-3.0Round 2ROSENBERG275♣♥A-1-8
-3.3Round 7CHINA 224♦♠4-2+5
-3.5Round 5SIMSON84♥♦K=+11
-3.6Round 2ROSENBERG193NT♠Q=+0
-4.7Round 8ZIMMERMANN221NTx♥T-1-5
-5.2Round 2ROSENBERG171NT♥4-3-7
-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
-8.3Round 8ZIMMERMANN193NT♥2-1-14
-10.2Round 2ROSENBERG206♠♦K-1-13
-10.3Round 8ZIMMERMANN216♠♦K-1-9
-11.0Round 8ZIMMERMANN233NT♥Q=-10
-12.2Round 1MAVERICKS77♠x♥K-1-17