🇺🇸 ROSENBERG Kevin · USA 1

4rank
+41.6Butler · 64 bds
+0.65per board
±4.6swing
+0.58vs par /bd
+0.28adjusted /bd
Butler per round: 41.6 41.6 41.6 41.6by round

vs par split: bidding +0.56 · play +0.02

Strength of schedule: opponents averaged -0.37/bd (an easy draw) → opponent-adjusted +0.28/bd

Card play — on target: opening leads 84.6% · declarer play 100.0% · defence 82.1%

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (2)90.9% (11)
Declarer play100.0% (6)100.0% (11)
Defence50.0% (4)87.5% (24)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 0.0% (2) · ♦ 100.0% (4) · ♣ 100.0% (4)

vs par by strain: NT +0.31 (13) · a suit +0.65 (51)

vs par by level: part-score +1.86 (22) · game -0.47 (36) · slam +2.17 (6)

By role: declaring +0.71/bd (-1.03 vs par · 36) · defending +0.57/bd (+2.64 vs par · 28)

By vulnerability: vulnerable +0.28/bd (+0.19 vs par · 32) · not vulnerable +1.02/bd (+0.97 vs par · 32)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalA.LinM.Lorencs – Z.StamereOpen16+9.6+0.60+0.62
QuarterfinalA.LinM.Romanovska – J.IlzinsClosed16+31.6+1.98+3.06
QuarterfinalA.LinJ.Ilzins – M.RomanovskaOpen16-4.9-0.31-1.25
QuarterfinalA.LinZ.Stamere – M.LorencsClosed16+5.3+0.33-0.12

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
+11.6Quarterfinal🇱🇻 LATVIA436♦x♥A=+13
+11.4Quarterfinal🇱🇻 LATVIA712♥x♣A-4+14
+11.0Quarterfinal🇱🇻 LATVIA406♠♦5=+0
+8.4Quarterfinal🇱🇻 LATVIA423NT♥8=+0
+7.3Quarterfinal🇱🇻 LATVIA193♥♦10+1+12
+6.4Quarterfinal🇱🇻 LATVIA222♦♦10+1+5
+6.4Quarterfinal🇱🇻 LATVIA804♥x♣Q-2+5
+6.0Quarterfinal🇱🇻 LATVIA573NT♠7=+7
+5.6Quarterfinal🇱🇻 LATVIA297♠♦5=+0
+4.7Quarterfinal🇱🇻 LATVIA753♣♠4+2+6
+4.1Quarterfinal🇱🇻 LATVIA464♠♣4-5+9
+4.0Quarterfinal🇱🇻 LATVIA363♣♥K-1+12
+4.0Quarterfinal🇱🇻 LATVIA653NT♦Q=-1
+3.7Quarterfinal🇱🇻 LATVIA234♠♥K+1+0
+3.6Quarterfinal🇱🇻 LATVIA704♠♥K+1+0
+3.1Quarterfinal🇱🇻 LATVIA322NT♥7+1+2
+2.9Quarterfinal🇱🇻 LATVIA242NT♥3-1+5
+2.6Quarterfinal🇱🇻 LATVIA355♣x♦A-1+0
+2.4Quarterfinal🇱🇻 LATVIA551♠♦6-1+5
+2.1Quarterfinal🇱🇻 LATVIA384♠♦A+1+0
+1.9Quarterfinal🇱🇻 LATVIA796♠♣5=+0
+1.7Quarterfinal🇱🇻 LATVIA484♠♥4=+8
+1.4Quarterfinal🇱🇻 LATVIA174♥♠K=+0
+1.4Quarterfinal🇱🇻 LATVIA336♠♣4+1+11
+1.3Quarterfinal🇱🇻 LATVIA512♥♦10-1-1
+1.1Quarterfinal🇱🇻 LATVIA304♥♠10-1+4
+1.0Quarterfinal🇱🇻 LATVIA183NT♣8+3+1
+1.0Quarterfinal🇱🇻 LATVIA565♥♠A+1+8
+0.9Quarterfinal🇱🇻 LATVIA584♥♣9=-1
+0.7Quarterfinal🇱🇻 LATVIA744♠♦A+1+13
+0.6Quarterfinal🇱🇻 LATVIA494♠♠8+2+1
+0.6Quarterfinal🇱🇻 LATVIA643♥♠5-1+3
+0.4Quarterfinal🇱🇻 LATVIA412♥♦6+1+0
+0.4Quarterfinal🇱🇻 LATVIA444♠♥4=+10
+0.4Quarterfinal🇱🇻 LATVIA724♥♣6=+0
+0.3Quarterfinal🇱🇻 LATVIA393NT♥Q+1+0
+0.3Quarterfinal🇱🇻 LATVIA735♠♦8=+0
+0.1Quarterfinal🇱🇻 LATVIA595♦♦10+1-1
+0.1Quarterfinal🇱🇻 LATVIA772♥♠K=+0
-0.0Quarterfinal🇱🇻 LATVIA374♥♦A+1+0
-0.0Quarterfinal🇱🇻 LATVIA765♣♥A=-11
-0.4Quarterfinal🇱🇻 LATVIA543♠♦K-1+0
-0.9Quarterfinal🇱🇻 LATVIA524♠♥8-1-6
-0.9Quarterfinal🇱🇻 LATVIA604♠♥2=-7
-1.1Quarterfinal🇱🇻 LATVIA202NT♥4-1-5
-1.1Quarterfinal🇱🇻 LATVIA473♠♥4=-1
-1.4Quarterfinal🇱🇻 LATVIA613♦♦4-1+1
-1.4Quarterfinal🇱🇻 LATVIA694♠♣A=+0
-1.6Quarterfinal🇱🇻 LATVIA313NT♠4+1-1
-1.9Quarterfinal🇱🇻 LATVIA273♦♥4=+0
-1.9Quarterfinal🇱🇻 LATVIA673NT♥6+2-1
-2.0Quarterfinal🇱🇻 LATVIA261NT♠J-1+11
-2.0Quarterfinal🇱🇻 LATVIA534♠x♣10-2-3
-2.4Quarterfinal🇱🇻 LATVIA624♠♦5=-11
-2.6Quarterfinal🇱🇻 LATVIA452♣♣2-1+0
-3.0Quarterfinal🇱🇻 LATVIA285♦♥A-1-6
-4.4Quarterfinal🇱🇻 LATVIA505♣♠7+1-13
-4.6Quarterfinal🇱🇻 LATVIA256♠♣Q+1-11
-5.3Quarterfinal🇱🇻 LATVIA663♦♠Q+2-7
-5.4Quarterfinal🇱🇻 LATVIA633NT♠9+2-2
-8.7Quarterfinal🇱🇻 LATVIA214♥♣A=-7
-9.0Quarterfinal🇱🇻 LATVIA782♦x♥7-4-8
-10.6Quarterfinal🇱🇻 LATVIA683NT♥8-1-12
-12.7Quarterfinal🇱🇻 LATVIA342♥x♠Q=-13