ROSENBERG Michael · MANFIELD

3rank
+95.0Butler · 80 bds
+1.19per board
±3.7swing
+1.88vs par /bd · #1/518
+1.34adjusted /bd
Butler per round: 13.4 5.6 19.1 33.7 6.6 9.6 16.7 -9.7by round

vs par split: bidding +1.30 · play +0.57

Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +1.34/bd

Card play — on target: opening leads 90.0% #57 of 518 · declarer play 94.1% #9 of 517 · defence 84.6% #195 of 518

Card play by contract type — on target
vs NTvs a suit
Opening leads87.5% (8)91.7% (12)
Declarer play100.0% (8)88.9% (9)
Defence69.2% (13)92.3% (26)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (4) · ♦ 75.0% (4) · ♣ 100.0% (7)

vs par by strain: NT -0.29 (28) · a suit +3.04 (52)

vs par by level: part-score +3.15 (39) · game +0.74 (39) · slam -1.00 (2)

By role: declaring +1.38/bd (+0.07 vs par · 41) · defending +0.98/bd (+3.77 vs par · 39)

By vulnerability: vulnerable +1.22/bd (+2.25 vs par · 40) · not vulnerable +1.16/bd (+1.50 vs par · 40)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.RosenbergS.Summers-Caley – A.WildavskyOpen10+13.4+1.34+2.60
Round 2D.RosenbergA.Sarniak – J.BlassClosed10+5.6+0.56-0.60
Round 4D.RosenbergM.Zur-Campanile – M.BarelOpen10+19.1+1.91+3.90
Round 5D.RosenbergY.Wiseman – A.StokkaClosed10+33.7+3.37+3.50
Round 6D.RosenbergM.Ticha – R.RitmeijerOpen10+6.6+0.66+1.90
Round 7D.RosenbergJ.Liu – Y.ZhangClosed10+9.6+0.96-1.50
Round 9D.RosenbergW.Gawel – G.BrewiakOpen10+16.7+1.67+3.90
Round 10D.RosenbergR.Parasian – J.TuejeOpen10-9.7-0.97+1.30

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
+10.3Round 5PASKE272♠x♣Q=+12
+9.7Round 2PSZCZOLA132♠♦4+4+15
+8.4Round 5PASKE223NT♦3-1+6
+7.9Round 10INDONESIA253♦♠7+2+10
+7.6Round 7LUCKY BRIDGE123NT♦Q+2+4
+7.1Round 9ROSSARD183♦♣A+1+7
+6.6Round 4ROSENTHAL204♥♣10-2+8
+6.0Round 6WILSON54♠♣A+2+11
+5.8Round 6WILSON83NT♣6=+0
+5.6Round 9ROSSARD145♦♥A=+7
+5.5Round 4ROSENTHAL133NT♣9=+10
+5.2Round 1GOTARD71♠♦6-2+7
+5.2Round 5PASKE302♠x♥3-1+8
+5.0Round 1GOTARD83NT♥5-1+10
+4.8Round 5PASKE281NT♠6=+5
+4.7Round 1GOTARD33♦♥A+3+14
+4.1Round 1GOTARD102NT♠6=+6
+3.9Round 5PASKE254♥♠3=+6
+3.8Round 2PSZCZOLA124♠♥4=+10
+3.7Round 9ROSSARD125♥x♠K-1+11
+3.6Round 5PASKE293NT♥J+1+0
+3.4Round 4ROSENTHAL152NT♥2-1+4
+3.2Round 6WILSON15♦♠A=+7
+3.2Round 6WILSON74♣♣9+1+11
+3.1Round 7LUCKY BRIDGE153♦♠J+1+0
+2.6Round 4ROSENTHAL144♥♦K-2+0
+2.6Round 7LUCKY BRIDGE186♣♦K=-2
+2.5Round 1GOTARD11NT♥3=+0
+2.2Round 5PASKE212♦♣3-1+4
+2.2Round 7LUCKY BRIDGE134♠♦7+1-13
+2.0Round 7LUCKY BRIDGE193♦♦6-1+0
+2.0Round 9ROSSARD194♥♣2=+0
+1.9Round 4ROSENTHAL163♣♠6-1+12
+1.8Round 10INDONESIA263♥♠A-1+5
+1.6Round 7LUCKY BRIDGE173♠♥7=-7
+1.2Round 4ROSENTHAL183♠♥3=+0
+1.2Round 10INDONESIA222♥♣A+1+0
+1.1Round 7LUCKY BRIDGE163NT♥7+2+0
+1.0Round 1GOTARD23NT♦4+1+0
+1.0Round 10INDONESIA212♣♣10+2+0
+0.7Round 2PSZCZOLA163NT♠5+1+0
+0.6Round 4ROSENTHAL111NT♠3+1+0
+0.5Round 4ROSENTHAL193♥♦Q+1+8
+0.4Round 9ROSSARD164♠♦5+1+0
+0.3Round 1GOTARD44♠♦4+1+0
+0.3Round 2PSZCZOLA182♦♥K-1+1
+0.2Round 9ROSSARD133NT♠J-1+6
+0.2Round 10INDONESIA272♠♣7=+7
-0.1Round 2PSZCZOLA113♠♥9=+4
-0.1Round 9ROSSARD201NT♦9+1-1
-0.3Round 9ROSSARD174♥♠8+1+10
-0.4Round 2PSZCZOLA204♥♠6+1+0
-0.5Round 9ROSSARD114♠♦8+1+0
-0.7Round 2PSZCZOLA193♥♦4-1+2
-0.8Round 6WILSON64♠♦5=+1
-0.8Round 7LUCKY BRIDGE112♠♦7-2+0
-0.8Round 10INDONESIA241NT♠6-1-5
-1.0Round 4ROSENTHAL123♠♥K+1-1
-1.1Round 5PASKE231NT♦5=+2
-1.3Round 5PASKE241NT♠8-2-8
-1.3Round 10INDONESIA281NT♥J-1-2
-1.4Round 2PSZCZOLA143NT♠7+3-14
-1.4Round 9ROSSARD154♠♦2=-1
-1.5Round 6WILSON103♥♠K-1+0
-1.9Round 1GOTARD53♠♥Q=+0
-2.1Round 2PSZCZOLA175♦♥K-1-8
-2.1Round 6WILSON92♠♥8-1+2
-2.2Round 4ROSENTHAL173NT♣2+3-2
-2.2Round 6WILSON23NT♥J+2-2
-2.3Round 5PASKE266NT♣6=+0
-2.3Round 6WILSON43NT♣5+1+0
-2.4Round 7LUCKY BRIDGE145♣♥A=+0
-2.7Round 6WILSON35♥♦10=-11
-2.8Round 1GOTARD63NT♣7+2-1
-3.4Round 10INDONESIA293♦♠2-2-2
-4.2Round 2PSZCZOLA153NT♠K-1-16
-4.7Round 1GOTARD93NT♣3+1-10
-5.4Round 10INDONESIA304♥♠J=+0
-7.4Round 7LUCKY BRIDGE203♦x♦3-2+3
-10.9Round 10INDONESIA234♥♠A=+0