ROSENBERG Kevin · SIVY B

24rank
+87.1Butler · 224 bds
+0.39per board
±4.9swing
+0.67vs par /bd · #7/40
+0.31adjusted /bd
Butler per round: 24.2 24.2 24.2 24.2 -4.1 -4.1 -4.1 -4.1 43.5 43.5 43.5 43.5 23.5 23.5 23.5 23.5by round

vs par split: bidding +0.45 · play +0.22

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted +0.31/bd

Card play — on target: opening leads 82.5% #23 of 40 · declarer play 79.3% #18 of 40 · defence 84.8% #23 of 40

Bidding activity — not a pass: 44.9% #15 of 40 (288/642)

Card play by contract type — on target
vs NTvs a suit
Opening leads85.7% (14)81.6% (49)
Declarer play80.0% (15)79.1% (43)
Defence84.0% (25)85.1% (87)

Opening leads by suit led: ♠ 90.0% (10) · ♥ 78.6% (14) · ♦ 76.0% (25) · ♣ 92.9% (14)

vs par by strain: NT +0.54 (50) · a suit +0.71 (174)

vs par by level: part-score +0.17 (92) · game +0.95 (111) · slam +1.38 (21)

By role: declaring +0.10/bd (-1.55 vs par · 112) · defending +0.68/bd (+2.90 vs par · 112)

By vulnerability: vulnerable +0.64/bd (+0.75 vs par · 112) · not vulnerable +0.14/bd (+0.60 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32A.LinN.Selway – K.PreddyClosed14-0.4-0.03+1.86
Round of 32A.LinN.Selway – K.PreddyClosed14-10.6-0.76-0.50
Round of 32A.LinL.Weiss Selway – F.Weiss SelwayClosed14+5.3+0.38+0.57
Round of 32A.LinL.Weiss Selway – F.Weiss SelwayClosed14+29.9+2.14-0.71
Round of 16A.LinS.Sun – Q.ShenClosed14+14.4+1.03+1.79
Round of 16A.LinX.Ge – H.SoClosed14-4.9-0.35-1.29
Round of 16A.LinZ.Shao – J.RanClosed14+11.5+0.82+3.79
Round of 16A.LinZ.Shao – J.RanClosed14-25.1-1.79-1.86
QuarterfinalA.LinS.Georgiev – S.NenovaClosed14-8.8-0.63-2.14
QuarterfinalA.LinS.Georgiev – S.NenovaOpen14+11.2+0.80-0.86
QuarterfinalA.LinM.Lafchieva – M.AndonovClosed14+0.9+0.06+0.71
QuarterfinalA.LinS.Georgiev – S.NenovaClosed14+40.2+2.87+3.79
SemifinalA.LinL.De Wijs – G.YettickClosed14-22.8-1.63-1.14
SemifinalA.LinZ.Grossack – O.SchiresonOpen14+28.1+2.01+2.86
SemifinalA.LinO.Schireson – Z.GrossackClosed14+10.4+0.74+1.00
SemifinalA.LinO.Schireson – Z.GrossackClosed14+7.8+0.56+2.93

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
+15.0QuarterfinalBULGARIA MIXED476♠x♦9=+11
+13.7SemifinalYETTICK325♠x♦K-1+9
+12.3Round of 16GR4S437♦x♠K-5+9
+12.3SemifinalYETTICK306♥x♠A-1+11
+11.7Round of 16GR4S76♦♠J-1+12
+11.7QuarterfinalBULGARIA MIXED444♠x♣J=+12
+11.1Round of 16GR4S256♣♦8-1+6
+10.7SemifinalYETTICK153NT♠Q+1+11
+10.7SemifinalYETTICK566NT♦4-2+17
+9.9QuarterfinalBULGARIA MIXED243NT♣3=+7
+9.7Round of 32LLAMA502♠♣A=+11
+9.1QuarterfinalBULGARIA MIXED273NT♠2=+6
+8.9QuarterfinalBULGARIA MIXED315♥x♦A-4+12
+8.2Round of 32LLAMA267♥♦8-1+17
+8.0Round of 32LLAMA526♠♦Q=+0
+8.0SemifinalYETTICK263NT♥5-1+13
+7.9Round of 32LLAMA314♥♠A+1+11
+7.0Round of 32LLAMA374♥♥4=+3
+7.0QuarterfinalBULGARIA MIXED452♦♦J-1+10
+6.7QuarterfinalBULGARIA MIXED85♦♣5=+3
+6.7QuarterfinalBULGARIA MIXED293♦x♣A-2+4
+6.7SemifinalYETTICK463♠♦6+1+8
+6.1Round of 32LLAMA44♠♥5=+10
+5.8Round of 32LLAMA253NT♦J-1+5
+5.7Round of 16GR4S404♠♦8-2+13
+5.7QuarterfinalBULGARIA MIXED105♥x♠K=+12
+5.7SemifinalYETTICK394♥♠5+1+0
+5.7SemifinalYETTICK483NT♦4-2+13
+5.3SemifinalYETTICK233NT♦Q-2+8
+5.1Round of 32LLAMA484♠♣9=+0
+5.1Round of 16GR4S44♥♠A-2-7
+5.1QuarterfinalBULGARIA MIXED545♥♠K-1-3
+5.0Round of 16GR4S124♠♥A-2+2
+4.7Round of 32LLAMA83NT♥J-1+5
+4.7Round of 16GR4S336NT♣4=-10
+4.7SemifinalYETTICK273NT♠7-1-2
+4.7SemifinalYETTICK313NT♣6-1+5
+4.5Round of 16GR4S106♥x♠K-1+12
+4.4QuarterfinalBULGARIA MIXED331NT♣2-2+3
+4.3Round of 32LLAMA244♠♥3=-1
+4.3QuarterfinalBULGARIA MIXED322♥♦A-3+9
+4.3SemifinalYETTICK293NT♣4+2+0
+4.3SemifinalYETTICK422♥x♦8-1+5
+4.0Round of 32LLAMA214♣♠J=+0
+4.0QuarterfinalBULGARIA MIXED463♠♦J=+6
+4.0SemifinalYETTICK32NT♥3=-9
+3.9Round of 32LLAMA144♠♥5=+8
+3.8Round of 16GR4S231NT♣3-4-5
+3.7QuarterfinalBULGARIA MIXED203NT♣5+1+0
+3.6Round of 32LLAMA234♥♣5-2+2
+3.5Round of 16GR4S143♠♥T-1+5
+3.5Round of 16GR4S315♠♥3+1+11
+3.4Round of 16GR4S372NT♦T=+1
+3.3Round of 32LLAMA425♣♠6-2+5
+3.3Round of 32LLAMA493♠♥J+2+2
+3.3SemifinalYETTICK494♠♣K+1+0
+3.2Round of 32LLAMA383♥♠6=+7
+3.1QuarterfinalBULGARIA MIXED533♦♥J+2+1
+2.9QuarterfinalBULGARIA MIXED263NT♥J+2+1
+2.9QuarterfinalBULGARIA MIXED481♠♥A-1+0
+2.7Round of 16GR4S444♠♣T-1+4
+2.7QuarterfinalBULGARIA MIXED183♥♠2=+0
+2.5Round of 32LLAMA456♣♠7=-11
+2.4Round of 32LLAMA102♥♠8+2+1
+2.4Round of 16GR4S361NT♥2=+5
+2.4QuarterfinalBULGARIA MIXED502♦♥2-3+0
+2.1Round of 32LLAMA323♠♣A+1+2
+2.1Round of 16GR4S163NT♠7-2+6
+2.1QuarterfinalBULGARIA MIXED154♠x♣A-1+6
+2.0SemifinalYETTICK162♦♥A+1+0
+2.0SemifinalYETTICK184♠♣J-1+10
+2.0SemifinalYETTICK204♠♠6-1+6
+2.0SemifinalYETTICK383♦♠A=+6
+1.9Round of 32LLAMA332♥♠J+1+0
+1.9QuarterfinalBULGARIA MIXED123NT♥6+3+2
+1.8Round of 32LLAMA193♥♦A-1+5
+1.6Round of 32LLAMA462NT♥Q+2+1
+1.6Round of 16GR4S154♥♦3=+0
+1.5Round of 32LLAMA14♥♠J-2+0
+1.5Round of 16GR4S34♥♦7+2+1
+1.5Round of 16GR4S384♥♠6=-1
+1.3Round of 16GR4S263♣♠9-2+7
+1.1Round of 32LLAMA71♠♣Q+2+10
+1.1Round of 32LLAMA513NT♠2+3-13
+1.1Round of 32LLAMA533♦♣6-1-2
+1.1Round of 16GR4S353♦♥A+1+2
+1.1Round of 16GR4S534♥♦J+1+0
+1.1QuarterfinalBULGARIA MIXED225♦♥T-1-10
+1.1QuarterfinalBULGARIA MIXED422♦♥4-2+8
+1.1QuarterfinalBULGARIA MIXED495♣♥2=+13
+1.0Round of 32LLAMA134♠♥A=+0
+1.0QuarterfinalBULGARIA MIXED213♥♣K-2+6
+1.0SemifinalYETTICK243NT♥6-1+5
+1.0SemifinalYETTICK501NT♥T-1-1
+0.8Round of 16GR4S413NT♠A+1+0
+0.7Round of 16GR4S274♥♥2=+0
+0.7QuarterfinalBULGARIA MIXED143NT♦6=+1
+0.7SemifinalYETTICK63NT♦3+1+1
+0.7SemifinalYETTICK221NT♠2+1+0
+0.7SemifinalYETTICK473♠♥K-2-2
+0.6Round of 32LLAMA393NT♦6-2+0
+0.6QuarterfinalBULGARIA MIXED402♠♦6=+0
+0.5Round of 32LLAMA64♥♠K+2+11
+0.5Round of 32LLAMA433♣♥5+1+0
+0.5Round of 16GR4S63♦♣K+2+0
+0.4QuarterfinalBULGARIA MIXED113NT♦2+1+1
+0.3QuarterfinalBULGARIA MIXED13NT♣Q=+1
+0.3QuarterfinalBULGARIA MIXED394♣♥A-2+1
+0.3SemifinalYETTICK74♥♠J+2-13
+0.3SemifinalYETTICK133♦♣A+1+0
+0.2Round of 16GR4S134♥♣5+1+0
+0.1Round of 32LLAMA282♦♣3-1-4
+0.1Round of 32LLAMA446♣♥K+1+0
+0.1Round of 16GR4S114♠♣A=+0
+0.1Round of 16GR4S304♠♦3+1+13
-0.0QuarterfinalBULGARIA MIXED25♣♦K=-3
-0.0QuarterfinalBULGARIA MIXED383♥♦2+1-10
-0.0SemifinalYETTICK11♠♥K-1-8
-0.0SemifinalYETTICK103♦♥Q+1+10
+0.0SemifinalYETTICK194♠♦5=+0
+0.0SemifinalYETTICK283NT♠Q-1-6
-0.0SemifinalYETTICK416♥♣5=+0
-0.1QuarterfinalBULGARIA MIXED554♠♣7+2+11
-0.2Round of 32LLAMA472♠♣Q=+1
-0.2Round of 32LLAMA564♥♣2=+0
-0.3Round of 32LLAMA224♠♦T+1+0
-0.3Round of 16GR4S14♠♦J-1+5
-0.3QuarterfinalBULGARIA MIXED511NT♥2=-1
-0.3SemifinalYETTICK365♣♥Q=-1
-0.3SemifinalYETTICK454♥♦K+1+0
-0.3SemifinalYETTICK512♣♣2+1-1
-0.5Round of 32LLAMA123♦♠4=+5
-0.5Round of 32LLAMA364♥♦Q=-3
-0.5Round of 16GR4S244♥♣K-2+0
-0.6Round of 32LLAMA293♠♠6=+0
-0.6QuarterfinalBULGARIA MIXED344♥♠Q+1+0
-0.7Round of 32LLAMA354♠♥3=-1
-0.7Round of 16GR4S424♥♠6=+11
-0.7Round of 16GR4S464♥♦8+3+12
-0.7SemifinalYETTICK43NT♥3-1+12
-0.7SemifinalYETTICK82♥♣J=+0
-0.7SemifinalYETTICK443NT♥4+2-1
-0.8Round of 32LLAMA411NT♦J=+0
-0.9QuarterfinalBULGARIA MIXED44♥♠K-1-6
-1.0QuarterfinalBULGARIA MIXED414♥♣2=+13
-1.0SemifinalYETTICK22♠♣K-3+8
-1.1Round of 16GR4S324♠♣A+1+0
-1.1Round of 16GR4S521NT♥7=+0
-1.2Round of 32LLAMA553♠♥A-2+0
-1.3Round of 16GR4S393♠♥Q+1+6
-1.3Round of 16GR4S453♦♥J-1-2
-1.3QuarterfinalBULGARIA MIXED94♠♥J-1-12
-1.3QuarterfinalBULGARIA MIXED174♠♣2=+1
-1.3SemifinalYETTICK343♠♣3+1+6
-1.4Round of 16GR4S93♠♣A-1-5
-1.4Round of 16GR4S184♥♦3+2-11
-1.4QuarterfinalBULGARIA MIXED53♦♣5=+0
-1.5Round of 32LLAMA541NT♠6+1+1
-1.5Round of 16GR4S214♠♣3-1-5
-1.6Round of 32LLAMA273♣♠A-1-5
-1.6QuarterfinalBULGARIA MIXED253♠♥8+2-6
-1.7QuarterfinalBULGARIA MIXED34♥♦2+2-1
-1.7QuarterfinalBULGARIA MIXED363♣♥A+1+0
-1.7SemifinalYETTICK123♣♦K=+0
-1.8Round of 32LLAMA151NT♣T-1+1
-1.8Round of 16GR4S554♠♥2-1-10
-1.9Round of 16GR4S346♠♦7=+0
-1.9Round of 16GR4S502♥♠6=-1
-2.0QuarterfinalBULGARIA MIXED72♠♦A=+0
-2.0QuarterfinalBULGARIA MIXED563♣♠Q+1-1
-2.0SemifinalYETTICK211♣♦9-1-2
-2.0SemifinalYETTICK253♣♦K+1+0
-2.0SemifinalYETTICK544♥♣5-1-6
-2.3Round of 16GR4S52♥♦A=+11
-2.4Round of 32LLAMA33♦♠K=-5
-2.6Round of 32LLAMA402♠♦Q-1+1
-3.0SemifinalYETTICK434♥♣K+1+6
-3.1Round of 32LLAMA52♥♦A=+0
-3.1Round of 16GR4S495♥♠A+1-8
-3.1QuarterfinalBULGARIA MIXED133♣♦2=-11
-3.1QuarterfinalBULGARIA MIXED283♦♠7=+1
-3.3Round of 32LLAMA24♠♥9=+0
-3.3Round of 16GR4S171NT♦3-2-5
-3.3Round of 16GR4S223♠♥8=-1
-3.3SemifinalYETTICK532♥♦4+2-10
-3.4Round of 16GR4S84♥♦3+1-4
-3.5Round of 16GR4S546♣♥A=+2
-3.7Round of 32LLAMA183♠♥5-1-4
-3.7QuarterfinalBULGARIA MIXED304♥♠K=-8
-3.7QuarterfinalBULGARIA MIXED521NT♥K+2-6
-3.7SemifinalYETTICK333NT♣6+2+0
-4.0Round of 32LLAMA113♥♦7+1-7
-4.0Round of 32LLAMA304♠♣K-2-5
-4.0SemifinalYETTICK53NT♥2+1-1
-4.3SemifinalYETTICK95♣♠K+1+1
-4.3SemifinalYETTICK175♦♥4+1-3
-4.4Round of 16GR4S484♥♠K-4-7
-4.5Round of 16GR4S203♠♥A=+0
-4.7Round of 16GR4S192♥♠K=-5
-4.7QuarterfinalBULGARIA MIXED192♠♦K=-6
-5.0QuarterfinalBULGARIA MIXED164♥♣2-1-10
-5.0SemifinalYETTICK403NT♣5-1-10
-5.0SemifinalYETTICK523♥♠A=+7
-5.2Round of 32LLAMA176♠♣Q=+0
-5.3Round of 16GR4S513NT♠4-2-3
-5.6QuarterfinalBULGARIA MIXED234♠x♥K-1-8
-5.7SemifinalYETTICK554♥♠A+2+11
-6.0QuarterfinalBULGARIA MIXED434♠x♣Q-3+0
-6.3Round of 16GR4S284♥♦T-1-5
-6.7Round of 16GR4S296♣♠2=+2
-7.0SemifinalYETTICK143♠♠5+1-7
-8.2Round of 16GR4S471NT♥4+1-10
-8.3Round of 32LLAMA93♠♦J=-12
-8.4QuarterfinalBULGARIA MIXED353NT♥T=-10
-8.7SemifinalYETTICK113♠♥A-1-10
-9.9Round of 16GR4S566♥♦6=-12
-10.0QuarterfinalBULGARIA MIXED373NT♣6-5-12
-10.3Round of 16GR4S26♠x♣A-4-7
-11.3Round of 32LLAMA204♥♦K=-10
-11.5Round of 32LLAMA345♣x♠A=-12
-12.0SemifinalYETTICK352♣x♠5-3-4
-14.1QuarterfinalBULGARIA MIXED67♣♥A-1-17
-14.3SemifinalYETTICK374♠xx♣9-2-13
-14.5Round of 32LLAMA167♥♠5-1-13