🇺🇸 KATZ Ralph · USA 1

8rank
+93.5Butler · 128 bds
+0.73per board
±4.8swing
+1.28vs par /bd
+0.46adjusted /bd
Butler per round: -3.5 2.1 18.3 18.7 34.1 -6.5 30.9 -0.6by round

vs par split: bidding +0.71 · play +0.64

Strength of schedule: opponents averaged -0.28/bd (an easy draw) → opponent-adjusted +0.46/bd

Card play — on target: opening leads 81.6% · declarer play 81.5% · defence 91.4%

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)81.8% (33)
Declarer play85.7% (7)80.0% (20)
Defence83.3% (18)94.2% (52)

Opening leads by suit led: ♠ 66.7% (9) · ♥ 88.9% (9) · ♦ 81.8% (11) · ♣ 88.9% (9)

vs par by strain: NT +0.97 (36) · a suit +1.50 (90)

vs par by level: part-score +0.72 (43) · game +1.19 (74) · slam +5.67 (9)

By role: declaring +0.84/bd (-1.32 vs par · 56) · defending +0.64/bd (+3.31 vs par · 72)

By vulnerability: vulnerable +1.43/bd (+3.00 vs par · 64) · not vulnerable +0.03/bd (-0.44 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3N.NickellD.Gerin – J.PelletierOpen16-3.5-0.22-0.81
Round 5N.NickellD.Bilde – E.JepsenClosed16+2.1+0.13+0.81
Round 6N.NickellG.Minutti – J.RossolinoClosed16+18.3+1.14+1.69
Round 8N.NickellN.L'Ecuyer – Z.MarcinskiClosed16+18.7+1.17+2.19
Round 9N.NickellEISSA TAMER – M.MousaClosed16+34.1+2.13+0.50
Round 12N.NickellO.Rimstedt – M.RimstedtClosed16-6.5-0.41+1.06
Round 15N.NickellG.Zumel – M.GrinbergOpen16+30.9+1.93+4.06
Round 19N.NickellP.Zimmermann – F.PiedraClosed16-0.6-0.04+0.75

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
+14.6Round 15🇦🇷 ARGENTINA76♣x♥3-2+15
+13.0Round 8🇨🇦 CANADA296♠♦A-1+13
+10.6Round 6🇺🇾 URUGUAY306♦x♥10-6+12
+10.6Round 9🇦🇪 UAE103NTx♦5-2+12
+10.3Round 9🇦🇪 UAE154♠♥10-1+11
+9.2Round 6🇺🇾 URUGUAY264♠♦K-1+13
+9.0Round 6🇺🇾 URUGUAY224♥♠3=+13
+8.5Round 3🇬🇵 GUADELOUPE93NT♥Q+1+4
+8.5Round 15🇦🇷 ARGENTINA84♠♣8-2+11
+7.8Round 15🇦🇷 ARGENTINA35♦♥3-1+10
+7.7Round 5🇩🇰 DENMARK94♥♣5=+0
+7.3Round 8🇨🇦 CANADA324♥♦A+1+11
+7.2Round 3🇬🇵 GUADELOUPE74♠♠4-3+9
+7.0Round 12🇸🇪 SWEDEN183♦♠4+2+8
+6.8Round 12🇸🇪 SWEDEN316♠♣5+1+13
+6.7Round 8🇨🇦 CANADA172♥♥4=+8
+6.7Round 9🇦🇪 UAE126♠♦A=+1
+6.2Round 3🇬🇵 GUADELOUPE143NT♥2=+7
+5.7Round 5🇩🇰 DENMARK43NT♥5+1+10
+5.5Round 6🇺🇾 URUGUAY203♥♥10=+10
+5.2Round 5🇩🇰 DENMARK65♦♠K=+7
+5.1Round 8🇨🇦 CANADA202♠♥5=+6
+5.0Round 8🇨🇦 CANADA192♠♦4-2+6
+5.0Round 9🇦🇪 UAE34♥♣6=+0
+4.7Round 9🇦🇪 UAE114♥♦A=+0
+4.5Round 8🇨🇦 CANADA256♦x♥6-3+9
+4.5Round 19🇨🇭 SWITZERLAND12♣♠2=-1
+4.2Round 15🇦🇷 ARGENTINA24♠♦A-1+6
+4.2Round 15🇦🇷 ARGENTINA123NT♥3+3+17
+4.0Round 3🇬🇵 GUADELOUPE25♦♠A-1+6
+3.9Round 9🇦🇪 UAE164♠♦Q-1+6
+3.6Round 6🇺🇾 URUGUAY311NT♠10-2+3
+3.6Round 19🇨🇭 SWITZERLAND83NT♣K-2+5
+3.5Round 5🇩🇰 DENMARK124♠♦5=+0
+3.3Round 5🇩🇰 DENMARK74♠♦5+1+0
+3.3Round 6🇺🇾 URUGUAY253NT♥6-1+5
+3.1Round 6🇺🇾 URUGUAY175♦♠J=-2
+3.0Round 15🇦🇷 ARGENTINA63NT♥4-2+6
+2.9Round 9🇦🇪 UAE23NT♥4+2+1
+2.7Round 15🇦🇷 ARGENTINA102♦♠K-1+0
+2.5Round 5🇩🇰 DENMARK133♣♥5+1+0
+2.4Round 9🇦🇪 UAE144NT♥7+2-11
+2.3Round 19🇨🇭 SWITZERLAND53NT♥4+3+1
+2.1Round 3🇬🇵 GUADELOUPE112♦♠10+1+5
+2.1Round 5🇩🇰 DENMARK14♥♣7=-1
+2.0Round 6🇺🇾 URUGUAY181♥♥7+3+10
+1.9Round 9🇦🇪 UAE62♦♠2+1-1
+1.9Round 19🇨🇭 SWITZERLAND44♥♣9=+13
+1.7Round 15🇦🇷 ARGENTINA43NT♦8=+0
+1.7Round 19🇨🇭 SWITZERLAND161NT♥2+2-8
+1.5Round 15🇦🇷 ARGENTINA161NT♠2+1+7
+1.4Round 5🇩🇰 DENMARK113♣♦5-1+4
+1.1Round 12🇸🇪 SWEDEN241NT♣K=-1
+1.1Round 15🇦🇷 ARGENTINA14Pass-3
+1.1Round 19🇨🇭 SWITZERLAND114♠♣Q=+1
+0.9Round 5🇩🇰 DENMARK31NT♦5+1-1
+0.9Round 9🇦🇪 UAE41NT♥6-1+1
+0.9Round 12🇸🇪 SWEDEN264♥♠A=+0
+0.7Round 8🇨🇦 CANADA182♣♠J+1+0
+0.6Round 9🇦🇪 UAE82♠♥6=-7
+0.6Round 15🇦🇷 ARGENTINA131♠♥3-1+5
+0.5Round 12🇸🇪 SWEDEN174♣♦Q-2+1
+0.4Round 6🇺🇾 URUGUAY274♥♠9+1+0
+0.4Round 19🇨🇭 SWITZERLAND133♥♦K-1+9
+0.3Round 3🇬🇵 GUADELOUPE133NT♣A=+1
+0.3Round 8🇨🇦 CANADA234♥♠K+1+13
+0.3Round 19🇨🇭 SWITZERLAND104♥♣A=-1
+0.1Round 3🇬🇵 GUADELOUPE164♥♥2=+1
+0.1Round 12🇸🇪 SWEDEN194♥♣10=+1
-0.0Round 3🇬🇵 GUADELOUPE102♥♦3-1+0
-0.0Round 6🇺🇾 URUGUAY243♦♠A+3-6
-0.0Round 12🇸🇪 SWEDEN251NT♠6+2-1
-0.2Round 5🇩🇰 DENMARK143♥♦5=+6
-0.2Round 6🇺🇾 URUGUAY195♦♠Q=+2
-0.3Round 12🇸🇪 SWEDEN234♠♦J+1+13
-0.4Round 8🇨🇦 CANADA283♦♦7=+1
-0.5Round 15🇦🇷 ARGENTINA54♠♥K+3-7
-0.5Round 19🇨🇭 SWITZERLAND23NT♦10+2+1
-0.8Round 3🇬🇵 GUADELOUPE54NT♥5+1+0
-0.8Round 5🇩🇰 DENMARK162♦♦5+1+0
-0.8Round 12🇸🇪 SWEDEN283NT♥7+2+0
-0.9Round 19🇨🇭 SWITZERLAND143NT♠3+2+0
-1.0Round 8🇨🇦 CANADA214♣♦3=+0
-1.0Round 12🇸🇪 SWEDEN304♥♠A+1+0
-1.0Round 19🇨🇭 SWITZERLAND125♣♠K-1-10
-1.1Round 5🇩🇰 DENMARK54♥♦5=+1
-1.1Round 6🇺🇾 URUGUAY233♦♦10=+0
-1.3Round 15🇦🇷 ARGENTINA93NT♥3+3+10
-1.5Round 8🇨🇦 CANADA243♠x♦3-2+3
-1.5Round 9🇦🇪 UAE73NT♥3-3+5
-1.6Round 3🇬🇵 GUADELOUPE84♥♣3=-7
-1.6Round 12🇸🇪 SWEDEN212♠♦A+1+0
-1.6Round 19🇨🇭 SWITZERLAND33♥♠A+1+6
-1.7Round 3🇬🇵 GUADELOUPE33NT♠4-2-13
-1.7Round 12🇸🇪 SWEDEN29Pass-3
-1.7Round 19🇨🇭 SWITZERLAND153NT♣9+1-1
-2.0Round 9🇦🇪 UAE54♥♥4=+1
-2.0Round 19🇨🇭 SWITZERLAND63NT♦3=+2
-2.2Round 8🇨🇦 CANADA275♣♠3-2-6
-2.4Round 9🇦🇪 UAE134♥♠2+1+0
-2.6Round 3🇬🇵 GUADELOUPE43NT♦A=+0
-2.6Round 6🇺🇾 URUGUAY282♠♥K+1-1
-3.3Round 12🇸🇪 SWEDEN224♥♣4+1+0
-3.6Round 8🇨🇦 CANADA221NT♠8+2-10
-3.6Round 19🇨🇭 SWITZERLAND74♠♦10-1-12
-3.8Round 8🇨🇦 CANADA314♠♦6+2-11
-4.3Round 3🇬🇵 GUADELOUPE123♥♣A-2-5
-4.4Round 9🇦🇪 UAE13NT♣K-3-6
-4.6Round 12🇸🇪 SWEDEN323NT♠Q=+0
-4.7Round 12🇸🇪 SWEDEN204♥♣A=+0
-4.9Round 12🇸🇪 SWEDEN274♥♦7+2-14
-5.0Round 3🇬🇵 GUADELOUPE154♠♥9+1-8
-5.1Round 5🇩🇰 DENMARK154♠♦5=-11
-5.1Round 6🇺🇾 URUGUAY211NT♠4+3-6
-5.1Round 15🇦🇷 ARGENTINA114♠♦Q=-1
-5.1Round 19🇨🇭 SWITZERLAND93♠♥K-2+7
-5.4Round 8🇨🇦 CANADA263♥♦A=+0
-5.5Round 9🇦🇪 UAE93NT♥3-1-5
-5.6Round 5🇩🇰 DENMARK83♠♦5=-1
-5.7Round 3🇬🇵 GUADELOUPE65♦x♥A-2-2
-5.8Round 15🇦🇷 ARGENTINA13NT♣3=+0
-6.0Round 8🇨🇦 CANADA304♥x♠J-1-8
-6.2Round 5🇩🇰 DENMARK107♠♣5=+0
-6.3Round 15🇦🇷 ARGENTINA155♦x♠A-2-11
-8.7Round 6🇺🇾 URUGUAY294♦♠Q+1-10
-10.2Round 3🇬🇵 GUADELOUPE16♥♦A-1-11
-10.7Round 6🇺🇾 URUGUAY322♥x♣8-1-16
-11.2Round 5🇩🇰 DENMARK26♥♣A=-1