🇺🇸 ROSENBERG Kevin · USA1

31rank
-41.0Butler · 56 bds
-0.73per board
±4.3swing
-0.48vs par /bd
-0.93adjusted /bd
Butler per round: -41 -41 -41 -41by round

vs par split: bidding -1.32 · play -0.04

Strength of schedule: opponents averaged -0.19/bd (an easy draw) → opponent-adjusted -0.93/bd

Card play — on target: opening leads 60.0% · declarer play 90.9% · defence 84.6%

Bidding activity — not a pass: 38.0% (65/171)

Card play by contract type — on target
vs NTvs a suit
Opening leads0.0% (1)75.0% (4)
Declarer play66.7% (3)100.0% (8)
Defence66.7% (3)90.0% (10)

Opening leads by suit led: ♥ 50.0% (2) · ♦ 100.0% (2) · ♣ 0.0% (1)

vs par by strain: NT -2.67 (12) · a suit +0.11 (44)

vs par by level: part-score -1.32 (25) · game -0.41 (27) · slam +4.25 (4)

By role: declaring -0.32/bd (-2.40 vs par · 25) · defending -1.07/bd (+1.06 vs par · 31)

By vulnerability: vulnerable -1.57/bd (-0.75 vs par · 28) · not vulnerable +0.11/bd (-0.21 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalB.KristensenL.Lee – B.YangClosed14-16.3-1.16-1.14
QuarterfinalB.KristensenL.Lee – B.YangOpen14+19.7+1.41+0.43
QuarterfinalB.KristensenX.Teo – T.WuOpen14-20.8-1.49+0.36
QuarterfinalB.KristensenX.Teo – T.WuClosed14-23.6-1.69-1.57

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
+13.0Quarterfinal🇸🇬 SINGAPORE196♠-2+13
+9.0Quarterfinal🇸🇬 SINGAPORE164♥x=+9
+6.1Quarterfinal🇸🇬 SINGAPORE234♠-3+3
+5.9Quarterfinal🇸🇬 SINGAPORE173NT-1+10
+4.7Quarterfinal🇸🇬 SINGAPORE254♠-1+6
+4.7Quarterfinal🇸🇬 SINGAPORE336♠-1+11
+4.6Quarterfinal🇸🇬 SINGAPORE562NT♣Q=+0
+3.4Quarterfinal🇸🇬 SINGAPORE282♠-1-5
+2.9Quarterfinal🇸🇬 SINGAPORE14♠♣Q=+0
+2.6Quarterfinal🇸🇬 SINGAPORE22♥♦2=+5
+2.2Quarterfinal🇸🇬 SINGAPORE463♥♠4-2+1
+1.9Quarterfinal🇸🇬 SINGAPORE45♥♠7=+0
+1.7Quarterfinal🇸🇬 SINGAPORE183♥-1-2
+1.7Quarterfinal🇸🇬 SINGAPORE341NT=-1
+1.7Quarterfinal🇸🇬 SINGAPORE403♣+1+7
+1.6Quarterfinal🇸🇬 SINGAPORE523♠♦Q=+0
+1.1Quarterfinal🇸🇬 SINGAPORE124♠♣Q+1+0
+1.1Quarterfinal🇸🇬 SINGAPORE383♦=+1
+0.8Quarterfinal🇸🇬 SINGAPORE454♥♣9+1+4
+0.8Quarterfinal🇸🇬 SINGAPORE553♠♦4-1+3
+0.6Quarterfinal🇸🇬 SINGAPORE504♠x♦9-2+5
+0.3Quarterfinal🇸🇬 SINGAPORE411NT+3-2
+0.2Quarterfinal🇸🇬 SINGAPORE494♥♦3+1+0
-0.0Quarterfinal🇸🇬 SINGAPORE34♥♠6=+3
-0.0Quarterfinal🇸🇬 SINGAPORE103NT♣8=-1
-0.0Quarterfinal🇸🇬 SINGAPORE144♥♦9=+1
+0.0Quarterfinal🇸🇬 SINGAPORE153♥=+7
+0.0Quarterfinal🇸🇬 SINGAPORE314♠+1+13
-0.0Quarterfinal🇸🇬 SINGAPORE474♠♥Q+1+0
-0.1Quarterfinal🇸🇬 SINGAPORE83NT♠9+3-14
-0.1Quarterfinal🇸🇬 SINGAPORE423♠-2+0
-0.4Quarterfinal🇸🇬 SINGAPORE211NT=-11
-1.4Quarterfinal🇸🇬 SINGAPORE373♣=-1
-1.7Quarterfinal🇸🇬 SINGAPORE303♦+1+0
-1.9Quarterfinal🇸🇬 SINGAPORE113♥♦A=+0
-2.7Quarterfinal🇸🇬 SINGAPORE202♠-1-5
-3.0Quarterfinal🇸🇬 SINGAPORE394♠x-1-5
-3.1Quarterfinal🇸🇬 SINGAPORE324♠=+0
-3.3Quarterfinal🇸🇬 SINGAPORE55♦♥K-1-5
-3.7Quarterfinal🇸🇬 SINGAPORE76♣♦Q=-7
-3.9Quarterfinal🇸🇬 SINGAPORE223♣=+0
-4.3Quarterfinal🇸🇬 SINGAPORE354♥-1-6
-4.6Quarterfinal🇸🇬 SINGAPORE133♥♦Q=+8
-4.8Quarterfinal🇸🇬 SINGAPORE482♠♠A+2-1
-4.8Quarterfinal🇸🇬 SINGAPORE533NT♠5+1-1
-5.2Quarterfinal🇸🇬 SINGAPORE444♠♥6=+0
-5.2Quarterfinal🇸🇬 SINGAPORE515♥♣J+1-13
-5.3Quarterfinal🇸🇬 SINGAPORE61NT♠6+2-6
-5.7Quarterfinal🇸🇬 SINGAPORE243♥-2-13
-5.7Quarterfinal🇸🇬 SINGAPORE263NT+1+0
-5.7Quarterfinal🇸🇬 SINGAPORE273♠=-6
-5.9Quarterfinal🇸🇬 SINGAPORE93NT♣4=+0
-6.2Quarterfinal🇸🇬 SINGAPORE434♠x♦5=-14
-6.3Quarterfinal🇸🇬 SINGAPORE296♥=+0
-8.2Quarterfinal🇸🇬 SINGAPORE543NT♥2-1-6
-10.4Quarterfinal🇸🇬 SINGAPORE364♦x-5-12