🇺🇸 KATZ Ralph · USA

43rank
-4.2Butler · 96 bds
-0.04per board
±3.8swing
-0.83vs par /bd
-0.17adjusted /bd
Butler per round: 25.7 25.7 25.7 25.7 -29.9 -29.9by round

vs par split: bidding -0.24 · play -0.68

Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted -0.17/bd

Card play — on target: opening leads 80.0% · declarer play 60.9% · defence 85.7%

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (12)83.3% (18)
Declarer play33.3% (3)65.0% (20)
Defence73.7% (19)93.3% (30)

Opening leads by suit led: ♠ 80.0% (10) · ♥ 71.4% (7) · ♦ 100.0% (2) · ♣ 81.8% (11)

vs par by strain: NT -0.14 (28) · a suit -1.12 (68)

vs par by level: part-score -0.81 (43) · game -0.66 (50) · slam -4.00 (3)

By role: declaring -0.02/bd (-3.66 vs par · 44) · defending -0.06/bd (+1.56 vs par · 52)

By vulnerability: vulnerable -0.21/bd (-1.52 vs par · 48) · not vulnerable +0.13/bd (-0.15 vs par · 48)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16N.NickellS.Majumder – M.MukherjeeOpen16+21.6+1.35+0.56
Round of 16N.NickellS.Datta – A.BanerjeeOpen16-3.3-0.21+1.50
Round of 16N.NickellA.Banerjee – S.DattaClosed16+7.2+0.45-1.25
Round of 16N.NickellS.Majumder – M.MukherjeeClosed16+0.2+0.01-2.44
QuarterfinalN.NickellK.Ahlesved – J.PeterssonOpen16-15.8-0.99-2.19
QuarterfinalN.NickellJ.Petersson – K.AhlesvedClosed16-14.1-0.88-1.19

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
+11.1Quarterfinal🇸🇪 SWEDEN54♥♣4-1+11
+10.0Quarterfinal🇸🇪 SWEDEN605♥x♠2-2+12
+7.3Round of 16🇮🇳 INDIA634♠♣Q=-1
+7.3Round of 16🇮🇳 INDIA723NT♠T=+7
+6.2Round of 16🇮🇳 INDIA646♥♣5=-13
+4.9Round of 16🇮🇳 INDIA43♥♠5=-10
+4.7Round of 16🇮🇳 INDIA24♥♠4=+0
+4.2Round of 16🇮🇳 INDIA532♦♠9=+6
+4.2Round of 16🇮🇳 INDIA563NT♣7-1+5
+4.1Round of 16🇮🇳 INDIA62♠♣6+1+1
+4.1Round of 16🇮🇳 INDIA254♥♣10=+0
+4.1Quarterfinal🇸🇪 SWEDEN43♠♣K-1-9
+3.9Quarterfinal🇸🇪 SWEDEN515♣♦4=-11
+3.7Round of 16🇮🇳 INDIA782♠♥Q-3+0
+3.3Quarterfinal🇸🇪 SWEDEN82♠♣K+1-7
+3.2Round of 16🇮🇳 INDIA762♠x♥K-3+8
+3.1Quarterfinal🇸🇪 SWEDEN65♠x♥J-1+12
+3.0Quarterfinal🇸🇪 SWEDEN634♥♠T+1+0
+2.9Round of 16🇮🇳 INDIA172NT♠3+1+7
+2.7Round of 16🇮🇳 INDIA653♦♣K-2-1
+2.6Round of 16🇮🇳 INDIA82NT♣5-1+5
+2.6Round of 16🇮🇳 INDIA501NT♠K-1+12
+2.4Round of 16🇮🇳 INDIA133NT♠9-2+3
+2.4Round of 16🇮🇳 INDIA323♠♥9+1+10
+2.3Round of 16🇮🇳 INDIA313♦♥K-2+6
+2.2Round of 16🇮🇳 INDIA692NT♥6=-1
+2.0Round of 16🇮🇳 INDIA524♥♣8+2+1
+2.0Round of 16🇮🇳 INDIA743NT♥7-4-6
+1.9Round of 16🇮🇳 INDIA753♦♠8+1+5
+1.7Round of 16🇮🇳 INDIA13♦♠K-1+4
+1.6Round of 16🇮🇳 INDIA263NT♥K=+13
+1.6Quarterfinal🇸🇪 SWEDEN12♦♣6=-7
+1.5Round of 16🇮🇳 INDIA237♦♣J=+2
+1.5Round of 16🇮🇳 INDIA793♠♥9-1-6
+1.4Round of 16🇮🇳 INDIA493NT♠Q=+0
+1.3Round of 16🇮🇳 INDIA94♥♣10+1+0
+0.9Round of 16🇮🇳 INDIA112♠♥4+1+1
+0.8Round of 16🇮🇳 INDIA73NT♣J+2+13
+0.7Quarterfinal🇸🇪 SWEDEN32♠♠J+1-6
+0.4Round of 16🇮🇳 INDIA594♥♥4=+0
+0.3Round of 16🇮🇳 INDIA583♦♣4+1+10
+0.3Round of 16🇮🇳 INDIA603NT♥6=+1
+0.3Quarterfinal🇸🇪 SWEDEN554♥♠6+1+0
+0.3Quarterfinal🇸🇪 SWEDEN584♥♠A+1+0
+0.1Round of 16🇮🇳 INDIA163NT♣5+2-11
+0.1Round of 16🇮🇳 INDIA664♠♦3+1+0
+0.0Round of 16🇮🇳 INDIA151NT♠3+1+1
+0.0Round of 16🇮🇳 INDIA303NT♣6+1+0
+0.0Quarterfinal🇸🇪 SWEDEN141NT+4+6
-0.1Round of 16🇮🇳 INDIA124♠♥A=+0
-0.1Round of 16🇮🇳 INDIA282♠♣7+1+0
-0.2Round of 16🇮🇳 INDIA141NT♦Q=+0
-0.3Round of 16🇮🇳 INDIA54♠♣J+1+0
-0.3Quarterfinal🇸🇪 SWEDEN73NT♠T+2-2
-0.3Quarterfinal🇸🇪 SWEDEN505♣♥K=+2
-0.4Round of 16🇮🇳 INDIA624♥♠5=+0
-0.6Round of 16🇮🇳 INDIA103♦♣A+1+0
-0.6Quarterfinal🇸🇪 SWEDEN154♠♥7=-1
-0.6Quarterfinal🇸🇪 SWEDEN542♥♦2-1-4
-0.7Round of 16🇮🇳 INDIA32♦♠A-1+2
-0.7Round of 16🇮🇳 INDIA272♦♦10+1-7
-0.8Round of 16🇮🇳 INDIA701NT♦J-2-6
-0.9Quarterfinal🇸🇪 SWEDEN104♥♦3=+0
-1.0Round of 16🇮🇳 INDIA194♥♦9=+1
-1.0Quarterfinal🇸🇪 SWEDEN564♥♣Q+2-1
-1.3Quarterfinal🇸🇪 SWEDEN614♠♣A+1+0
-1.5Round of 16🇮🇳 INDIA242♣♣3-1-2
-1.5Round of 16🇮🇳 INDIA293♥♦10-1-1
-1.7Round of 16🇮🇳 INDIA613♠♥A-1+1
-2.0Quarterfinal🇸🇪 SWEDEN133NT♥4+2-1
-2.0Quarterfinal🇸🇪 SWEDEN492♥♦A-3-1
-2.1Quarterfinal🇸🇪 SWEDEN644NT♠5+3-2
-2.3Round of 16🇮🇳 INDIA225♦♣K=+13
-2.5Round of 16🇮🇳 INDIA203♣♦K-1+1
-2.6Quarterfinal🇸🇪 SWEDEN624♠♥K=+0
-2.9Round of 16🇮🇳 INDIA674♥♦A+3-10
-3.1Quarterfinal🇸🇪 SWEDEN522♥♣J+2+1
-3.2Round of 16🇮🇳 INDIA214♠♥9-2-7
-3.3Quarterfinal🇸🇪 SWEDEN124♠=+0
-3.6Round of 16🇮🇳 INDIA772♠♥A=-10
-3.9Round of 16🇮🇳 INDIA543NT♣5-3-14
-3.9Round of 16🇮🇳 INDIA733NT♠4+1+0
-4.1Round of 16🇮🇳 INDIA805♦♣A=-7
-4.3Round of 16🇮🇳 INDIA713NT♠6-1-12
-4.3Quarterfinal🇸🇪 SWEDEN94♥♦K-1-4
-4.4Quarterfinal🇸🇪 SWEDEN591NT♦K-1-4
-4.6Round of 16🇮🇳 INDIA511NT♠3=-6
-4.8Round of 16🇮🇳 INDIA684♥♠J=+0
-5.0Round of 16🇮🇳 INDIA551♠♥6+3-10
-5.3Round of 16🇮🇳 INDIA183♣♦Q-1-12
-6.1Round of 16🇮🇳 INDIA574♥♦4-1-12
-6.1Quarterfinal🇸🇪 SWEDEN572NT♠6=+1
-7.3Quarterfinal🇸🇪 SWEDEN21NT♥5-2-13
-8.1Quarterfinal🇸🇪 SWEDEN534♥♠3-1-12
-9.0Quarterfinal🇸🇪 SWEDEN116♣+1-1
-12.0Quarterfinal🇸🇪 SWEDEN165♥x♠K=-13