🇺🇸 KATZ Ralph · USA 1

9rank
+51.1Butler · 128 bds
+0.40per board
±4.8swing
+0.32vs par /bd
+0.16adjusted /bd
Butler per round: 31.4 -26.4 28 -17.2 26.6 -4.6 -12.5 25.8by round

vs par split: bidding +0.14 · play +0.17

Strength of schedule: opponents averaged -0.24/bd (an easy draw) → opponent-adjusted +0.16/bd

Card play — on target: opening leads 87.5% · declarer play 81.2% · defence 84.8%

Card play by contract type — on target
vs NTvs a suit
Opening leads·87.5% (24)
Declarer play·81.2% (16)
Defence·84.8% (46)

Opening leads by suit led: ♠ 100.0% (5) · ♥ 60.0% (5) · ♦ 88.9% (9) · ♣ 100.0% (5)

vs par by strain: a suit +0.41 (92)

vs par by level: part-score +0.06 (35) · game -0.13 (47) · slam +4.20 (10)

By role: declaring -0.78/bd (-3.17 vs par · 60) · defending +1.44/bd (+3.40 vs par · 68)

By vulnerability: vulnerable +0.40/bd (+0.94 vs par · 64) · not vulnerable +0.40/bd (-0.30 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3G.JacobsM.Green – A.PeakeOpen16+31.4+1.96+2.06
Round 4G.JacobsT.Cope – G.HolmanClosed16-26.4-1.65-1.56
Round 6G.JacobsP.Kushari – D.RoyClosed16+28.0+1.75+2.31
Round 9G.JacobsA.Grant – A.KerOpen16-17.2-1.07-2.94
Round 13G.JacobsD.Chen – K.FurutaClosed16+26.6+1.66+1.25
Round 16G.JacobsR.Vieira – R.MappOpen16-4.6-0.29-2.56
Round 18G.JacobsH.Yang – C.ChenClosed16-12.5-0.78+0.56
Round 20G.JacobsA.Allana – J.FazliClosed16+25.8+1.61+3.44

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
+12.8Round 13🇯🇵 JAPAN206♦♥A=+7
+12.2Round 6🇮🇳 INDIA156♥-1+12
+11.9Round 13🇯🇵 JAPAN256N♥A-1+13
+10.8Round 16🇹🇹 TRINIDAD & TOBAGO74♠♦2-1+13
+10.5Round 20🇵🇰 PAKISTAN26♦x♠K-3+12
+10.4Round 3🇦🇺 AUSTRALIA73♦♣2+1+11
+10.1Round 18🇹🇼 CHINESE TAIPEI74♥♠3-1+12
+10.0Round 6🇮🇳 INDIA124♥♠10-1+12
+9.9Round 13🇯🇵 JAPAN226♥♠8-1+13
+9.5Round 3🇦🇺 AUSTRALIA44♠♦Q-1+12
+9.3Round 6🇮🇳 INDIA103N♣Q-1+12
+8.1Round 6🇮🇳 INDIA17♣♥3=+0
+7.6Round 4🇿🇦 SOUTH AFRICA86♥♣7=+0
+7.6Round 9🇳🇿 NEW ZEALAND65♥x♠7-2+11
+6.7Round 20🇵🇰 PAKISTAN153N♥7-1+12
+6.3Round 18🇹🇼 CHINESE TAIPEI65♣♦A+1+11
+5.8Round 3🇦🇺 AUSTRALIA123N♣5=+7
+5.2Round 3🇦🇺 AUSTRALIA113♣♥Q-1+9
+4.9Round 3🇦🇺 AUSTRALIA105♦♦3-1+12
+4.7Round 20🇵🇰 PAKISTAN73N♠10-2+13
+4.4Round 4🇿🇦 SOUTH AFRICA164♥♦-2+0
+4.0Round 9🇳🇿 NEW ZEALAND164♠♦Q-2+0
+4.0Round 20🇵🇰 PAKISTAN93♣♠5=+6
+3.8Round 3🇦🇺 AUSTRALIA153♣♣2=+1
+3.8Round 20🇵🇰 PAKISTAN45♦♥K+1+13
+3.7Round 3🇦🇺 AUSTRALIA22♠♥8-1+12
+3.5Round 9🇳🇿 NEW ZEALAND25♠♦4+1-5
+3.5Round 16🇹🇹 TRINIDAD & TOBAGO143N♠4+1-10
+3.2Round 13🇯🇵 JAPAN271♠♣5+4+3
+2.9Round 6🇮🇳 INDIA145♥x♦J=+8
+2.7Round 4🇿🇦 SOUTH AFRICA104♦♠K-1+12
+2.7Round 20🇵🇰 PAKISTAN15♦♠K-1+5
+2.4Round 3🇦🇺 AUSTRALIA93♥♥A=+1
+2.4Round 13🇯🇵 JAPAN232♣♠4+1+0
+2.3Round 6🇮🇳 INDIA56♣=+0
+2.1Round 13🇯🇵 JAPAN261N♥2-2+2
+1.9Round 13🇯🇵 JAPAN313N♦5-2+6
+1.7Round 4🇿🇦 SOUTH AFRICA142♠♥K-2+1
+1.5Round 6🇮🇳 INDIA161N-2-1
+1.4Round 16🇹🇹 TRINIDAD & TOBAGO122♦♠Q+1+0
+1.4Round 20🇵🇰 PAKISTAN34♥♥6-1+5
+1.4Round 20🇵🇰 PAKISTAN55♥♠J+1+12
+1.2Round 9🇳🇿 NEW ZEALAND93N♥7+3+1
+1.2Round 20🇵🇰 PAKISTAN63N♠5+2+0
+1.1Round 9🇳🇿 NEW ZEALAND43♠♣A-2+3
+1.1Round 18🇹🇼 CHINESE TAIPEI163♦♣K-2-1
+1.0Round 3🇦🇺 AUSTRALIA83N♥2=+0
+1.0Round 16🇹🇹 TRINIDAD & TOBAGO83N♦5+2+1
+1.0Round 16🇹🇹 TRINIDAD & TOBAGO103♠♦10-1+0
+0.9Round 16🇹🇹 TRINIDAD & TOBAGO133N♥5=+1
+0.9Round 18🇹🇼 CHINESE TAIPEI144♥x♣A-1+6
+0.8Round 13🇯🇵 JAPAN304♥♠K=+0
+0.7Round 6🇮🇳 INDIA64♠+1+1
+0.7Round 9🇳🇿 NEW ZEALAND102♥♦A=+0
+0.6Round 6🇮🇳 INDIA32♥♥8+2+6
+0.6Round 9🇳🇿 NEW ZEALAND86♣♠K+1-11
+0.6Round 16🇹🇹 TRINIDAD & TOBAGO13N♦2+1+0
+0.6Round 16🇹🇹 TRINIDAD & TOBAGO33N♥5+2-10
+0.5Round 16🇹🇹 TRINIDAD & TOBAGO151N♣7=+1
+0.5Round 20🇵🇰 PAKISTAN84♠♦3+2+1
+0.4Round 13🇯🇵 JAPAN183♠♣9=+0
+0.3Round 18🇹🇼 CHINESE TAIPEI35♣x♥A-2+4
+0.1Round 4🇿🇦 SOUTH AFRICA123N♠2=+0
+0.1Round 18🇹🇼 CHINESE TAIPEI153N♠5+1+0
-0.0Round 18🇹🇼 CHINESE TAIPEI14♥♦5=+0
-0.1Round 3🇦🇺 AUSTRALIA12♥♣2=-7
-0.1Round 18🇹🇼 CHINESE TAIPEI126♣♥5=-2
-0.3Round 9🇳🇿 NEW ZEALAND133N♣K=+0
-0.3Round 16🇹🇹 TRINIDAD & TOBAGO52♦♥4=-11
-0.4Round 4🇿🇦 SOUTH AFRICA92N♦=-10
-0.5Round 3🇦🇺 AUSTRALIA133N♠6+2-1
-0.5Round 3🇦🇺 AUSTRALIA161N♥7=-5
-0.6Round 18🇹🇼 CHINESE TAIPEI54♠♦K+1+0
-0.6Round 18🇹🇼 CHINESE TAIPEI91N♥A=+0
-0.6Round 20🇵🇰 PAKISTAN143N♥8+2-11
-0.7Round 16🇹🇹 TRINIDAD & TOBAGO21N♣4+2+0
-0.8Round 4🇿🇦 SOUTH AFRICA153N♥10+1+0
-0.8Round 9🇳🇿 NEW ZEALAND14♠♥10-1+5
-0.9Round 13🇯🇵 JAPAN194♥♦6=-1
-1.0Round 6🇮🇳 INDIA41♠♦A-4+6
-1.0Round 13🇯🇵 JAPAN172♠♦Q=+0
-1.1Round 4🇿🇦 SOUTH AFRICA73♦♥A-1+1
-1.1Round 18🇹🇼 CHINESE TAIPEI11Pass+3
-1.3Round 6🇮🇳 INDIA72♠♥2=+0
-1.3Round 13🇯🇵 JAPAN284♠♥10=+0
-1.4Round 4🇿🇦 SOUTH AFRICA23N♠J+1+12
-1.4Round 20🇵🇰 PAKISTAN125♥x♦3-1-7
-1.6Round 20🇵🇰 PAKISTAN161N♦3-2-2
-1.7Round 18🇹🇼 CHINESE TAIPEI133♣♥K+1+0
-1.9Round 13🇯🇵 JAPAN242♥♦Q+3-6
-2.0Round 4🇿🇦 SOUTH AFRICA53N♣10-1-10
-2.0Round 6🇮🇳 INDIA134♣♥A=-9
-2.0Round 9🇳🇿 NEW ZEALAND55♣♥3+1-15
-2.0Round 20🇵🇰 PAKISTAN105♦♥3-2+7
-2.0Round 20🇵🇰 PAKISTAN134♥♥3-1-6
-2.1Round 16🇹🇹 TRINIDAD & TOBAGO63♠♥4-1-4
-2.2Round 6🇮🇳 INDIA96♥♦J+1+11
-2.5Round 9🇳🇿 NEW ZEALAND75♦♣6-2-9
-2.5Round 13🇯🇵 JAPAN214♥x♠4-1-2
-2.6Round 6🇮🇳 INDIA84♠x-3-2
-2.8Round 3🇦🇺 AUSTRALIA52♠♦5=+0
-2.9Round 13🇯🇵 JAPAN322N♦5+1-1
-3.1Round 3🇦🇺 AUSTRALIA34♥♦A+1-1
-3.1Round 16🇹🇹 TRINIDAD & TOBAGO94♠♥Q-2-6
-3.5Round 4🇿🇦 SOUTH AFRICA12♦♣2-1-4
-3.5Round 20🇵🇰 PAKISTAN115♥x♠A=-5
-3.6Round 9🇳🇿 NEW ZEALAND111♠x♣K-1+1
-3.6Round 16🇹🇹 TRINIDAD & TOBAGO113♠♥K=-1
-3.9Round 6🇮🇳 INDIA114♠♦A-1-5
-4.0Round 3🇦🇺 AUSTRALIA63N♠5-2-11
-4.1Round 9🇳🇿 NEW ZEALAND142♥♣4-2-5
-4.1Round 18🇹🇼 CHINESE TAIPEI83N♦4=+0
-4.3Round 3🇦🇺 AUSTRALIA143♥♦A=-7
-4.3Round 4🇿🇦 SOUTH AFRICA63♣♥4-1-5
-4.8Round 9🇳🇿 NEW ZEALAND155♥♠A-1-3
-4.9Round 16🇹🇹 TRINIDAD & TOBAGO164♠♦4-2-6
-5.5Round 18🇹🇼 CHINESE TAIPEI104♥♣Q-2-8
-6.0Round 4🇿🇦 SOUTH AFRICA111Nx♠Q-2-4
-6.3Round 4🇿🇦 SOUTH AFRICA45♥x♣K=-5
-6.6Round 6🇮🇳 INDIA24♠♣2+3-14
-6.9Round 4🇿🇦 SOUTH AFRICA34♠♦K=+0
-7.6Round 18🇹🇼 CHINESE TAIPEI23N♥8-1-5
-8.3Round 13🇯🇵 JAPAN294♥♦K-3-14
-8.4Round 9🇳🇿 NEW ZEALAND125♠x♥K-2-13
-9.4Round 9🇳🇿 NEW ZEALAND34♠x♣Q-2-7
-10.0Round 18🇹🇼 CHINESE TAIPEI43♥x♦10=-11
-10.2Round 4🇿🇦 SOUTH AFRICA135♠♣K-1-13
-10.2Round 16🇹🇹 TRINIDAD & TOBAGO44♥♣4=-9