ROSENBERG Kevin · ROSENBERG

19rank
+65.4Butler · 112 bds
+0.58per board
±5.0swing
-0.21vs par /bd · #59/107
+0.57adjusted /bd
Butler per round: 9.7 6.6 3.2 32.5 10.8 3.9 1.2 -2.5by round

vs par split: bidding -0.94 · play +0.76

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.57/bd

Card play — on target: opening leads 66.7% #104 of 107 · declarer play 84.6% #13 of 107 · defence 87.5% #53 of 107

Bidding activity — not a pass: 46.3% #39 of 107 (149/322)

Card play by contract type — on target
vs NTvs a suit
Opening leads62.5% (8)69.2% (13)
Declarer play82.4% (17)86.4% (22)
Defence75.0% (12)91.7% (36)

Opening leads by suit led: ♠ 40.0% (5) · ♥ 100.0% (3) · ♦ 75.0% (8) · ♣ 60.0% (5)

vs par by strain: NT -1.03 (36) · a suit +0.23 (75)

vs par by level: part-score -0.49 (35) · game -0.45 (64) · slam +2.17 (12)

By role: declaring +1.01/bd (-1.84 vs par · 63) · defending +0.05/bd (+2.00 vs par · 48)

By vulnerability: vulnerable +0.13/bd (-0.95 vs par · 56) · not vulnerable +1.04/bd (+0.54 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.PlatnickP.Nawrocki – P.WiankowskiClosed14+9.7+0.69-1.00
Round 2B.PlatnickA.Madala – D.BildeClosed14+6.6+0.47-1.00
Round 3B.PlatnickJ.Shi – J.WangOpen14+3.2+0.23-2.36
Round 4B.PlatnickJ.Patreuha – P.PatreuhaClosed14+32.5+2.32+0.86
Round 5B.PlatnickL.Rombaut – J.RombautOpen14+10.8+0.77-0.21
Round 6B.PlatnickF.Multon – P.ZimmermannOpen14+3.9+0.28-0.29
Round 7B.PlatnickA.Versace – A.SementaClosed14+1.2+0.09+1.71
Round 8B.PlatnickZ.Shi – C.JuClosed14-2.5-0.18+0.64

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
+16.6Round 7OVERDECK37♣♥4-2+20
+12.6Round 4MAVERICKS156♦♣6=-2
+12.5Round 2LEBOWITZ214♥♦J+1+11
+11.9Round 4MAVERICKS203NT♥3=+10
+10.0Round 1SV BRIDGE CLUB66♥♦7-2+16
+9.8Round 5WOLFSON103NT♥K+1+1
+9.7Round 8CHINA OPEN TEAM 1283NT♣K+1+11
+9.5Round 4MAVERICKS283NT♥3=+10
+8.3Round 1SV BRIDGE CLUB114♥♠5=+0
+7.9Round 1SV BRIDGE CLUB24♥♣6-1+10
+7.7Round 5WOLFSON86♥♦K-2+14
+7.7Round 6ZIMMERMANN225♦x♠7-2+9
+6.9Round 4MAVERICKS226♠♥3=+0
+6.5Round 3HOBRA116♣♥A=-2
+5.6Round 2LEBOWITZ283NT♥T+1+0
+5.2Round 6ZIMMERMANN286♣♦J=-2
+5.2Round 7OVERDECK93NT♥3=+0
+4.5Round 3HOBRA13♥♠2+2+6
+4.5Round 6ZIMMERMANN151NT♥4+1+12
+4.3Round 5WOLFSON143♥♣3=+6
+3.8Round 4MAVERICKS193♥♣J-1+9
+3.6Round 6ZIMMERMANN274♥♣4-1+5
+3.5Round 2LEBOWITZ204♠♦A+1+0
+3.4Round 8CHINA OPEN TEAM 1184♦x♣J-1+5
+3.1Round 4MAVERICKS274♠♠7-1+5
+3.1Round 7OVERDECK42♠♥4+1+7
+2.8Round 3HOBRA85♣♠3=+0
+2.8Round 8CHINA OPEN TEAM 1223♦♦3-2+3
+2.7Round 1SV BRIDGE CLUB54♠x♦J-1+0
+2.7Round 4MAVERICKS234♥♠3=+3
+2.7Round 5WOLFSON54♥♥9+2+11
+2.5Round 3HOBRA64♠♦4-2+3
+2.5Round 5WOLFSON73NT♠4=-13
+2.5Round 6ZIMMERMANN191NT♦2=+0
+2.3Round 3HOBRA33♦♠5=+0
+2.3Round 8CHINA OPEN TEAM 1176♦♣5+1+1
+2.1Round 2LEBOWITZ174♥♣5+1+0
+2.1Round 6ZIMMERMANN186NT♠8+1-11
+2.1Round 8CHINA OPEN TEAM 1264♥♠3=+0
+1.8Round 8CHINA OPEN TEAM 1163NT♠2+1+1
+1.7Round 3HOBRA43NT♠J+1+1
+1.7Round 3HOBRA134♥♣7-1+12
+1.6Round 6ZIMMERMANN211NT♥5=-1
+1.5Round 6ZIMMERMANN253NT♦3+1+11
+1.5Round 8CHINA OPEN TEAM 1217♦x♥K-3+5
+1.4Round 4MAVERICKS266♥♣7=+0
+1.3Round 5WOLFSON33NT♦2=+2
+1.1Round 1SV BRIDGE CLUB74♠♥K=-13
+1.1Round 3HOBRA143♠♠4=+0
+1.1Round 8CHINA OPEN TEAM 1273NT♣J+1+11
+1.0Round 7OVERDECK81NT♥5-1+4
+1.0Round 7OVERDECK143NT♥Q+1+1
+0.9Round 7OVERDECK54♥♣T+1+0
+0.8Round 3HOBRA73NT♠T+2-13
+0.7Round 2LEBOWITZ184♦x♥2-2+5
+0.7Round 4MAVERICKS243♦♠4-2-7
+0.6Round 1SV BRIDGE CLUB33♥♣Q=-7
+0.6Round 6ZIMMERMANN163NT♦4+1+0
+0.6Round 6ZIMMERMANN174♠♣5=+8
+0.6Round 7OVERDECK61NT♦5=+0
+0.5Round 1SV BRIDGE CLUB102♥♦A=+0
+0.3Round 7OVERDECK73NT♠3=+1
+0.2Round 5WOLFSON44♥♠T+1+0
-0.1Round 1SV BRIDGE CLUB145♦♥6=+11
-0.2Round 4MAVERICKS173NT♦6+1+0
-0.2Round 5WOLFSON114♥♠2=-1
-0.4Round 2LEBOWITZ252♠♦7+2-6
-0.4Round 6ZIMMERMANN243♣♠T+1+7
-0.5Round 1SV BRIDGE CLUB14♥♦Q=+0
-0.7Round 1SV BRIDGE CLUB81NT♣J+1-6
-0.7Round 8CHINA OPEN TEAM 115Pass-3
-0.8Round 2LEBOWITZ163NT♣J=-1
-0.9Round 2LEBOWITZ264♠♥7+2-1
-0.9Round 5WOLFSON24♠♥5+2+11
-1.2Round 2LEBOWITZ234♠♣Q+2-13
-1.2Round 3HOBRA94♦♥A-1-4
-1.3Round 4MAVERICKS253NT♦6+2-2
-1.6Round 2LEBOWITZ152♠♠6=+0
-1.6Round 2LEBOWITZ244♠♦9-2+0
-1.7Round 1SV BRIDGE CLUB93♣♦A-2+1
-2.0Round 3HOBRA24♠♦T+1-16
-2.0Round 7OVERDECK111NT♠4-1+2
-2.4Round 7OVERDECK14♥♦T=+0
-2.6Round 8CHINA OPEN TEAM 1233♦♣K=+0
-2.8Round 5WOLFSON124♥♦3-1-6
-2.8Round 5WOLFSON132♠x♥A-1-9
-2.9Round 7OVERDECK101NT♦T=-5
-3.0Round 2LEBOWITZ223♦♦Q=+0
-3.2Round 1SV BRIDGE CLUB122♠♠T=-6
-3.3Round 7OVERDECK24♥x♣A-1+5
-3.3Round 8CHINA OPEN TEAM 1203♣x♦2-1+10
-3.6Round 2LEBOWITZ193NT♥2=+0
-3.6Round 5WOLFSON14♥♦7+1-1
-3.7Round 5WOLFSON63NT♠Q+2-10
-3.7Round 5WOLFSON94♥♦J=-8
-3.9Round 3HOBRA122♣x♣4=-2
-4.0Round 4MAVERICKS164♠♥3-1-5
-4.0Round 8CHINA OPEN TEAM 1192NT♥2+1-13
-4.7Round 2LEBOWITZ275♣x♠Q-1-9
-4.9Round 6ZIMMERMANN264♥♥2-1-12
-5.0Round 7OVERDECK123♠♥5-2-7
-6.2Round 3HOBRA101NT♣9+1-11
-6.3Round 1SV BRIDGE CLUB42♣♠6+1-10
-6.4Round 4MAVERICKS213NT♦3=+0
-6.8Round 8CHINA OPEN TEAM 1253NT♦2+1-11
-7.4Round 3HOBRA53NT♠4-2-7
-8.2Round 4MAVERICKS184♥x♦A-3-9
-8.9Round 1SV BRIDGE CLUB134♥♥6=-10
-9.4Round 6ZIMMERMANN204♥♣5+3-17
-9.8Round 8CHINA OPEN TEAM 1243NT♠3=-11
-11.3Round 6ZIMMERMANN236♥♣3-1-13
-11.9Round 7OVERDECK135♣x♠7=-4