🇺🇸 ROWBERG Andrew · USA1

50rank
+4.9Butler · 182 bds
+0.03per board
±4.7swing
-0.08vs par /bd · #58/109
-0.17adjusted /bd
Butler per round: 35.1 -15.8 2 -28.2 24.5 16.8 -16.8 -13.1 -20.2 11.1 6.3 -5.8 9by round

vs par split: bidding -0.16 · play +0.09

Strength of schedule: opponents averaged -0.19/bd (an easy draw) → opponent-adjusted -0.17/bd

Card play — on target: opening leads 82.9% #30 of 109 · declarer play 71.1% #69 of 109 · defence 80.0% #90 of 109

Bidding activity — not a pass: 46.4% #23 of 109 (242/521)

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)83.9% (31)
Declarer play77.8% (9)69.0% (29)
Defence68.4% (19)83.6% (61)

Opening leads by suit led: ♠ 88.9% (9) · ♥ 85.7% (7) · ♦ 90.9% (11) · ♣ 62.5% (8)

vs par by strain: NT -0.96 (48) · a suit +0.24 (134)

vs par by level: part-score +1.41 (63) · game -0.80 (103) · slam -1.31 (16)

By role: declaring -0.12/bd (-2.34 vs par · 102) · defending +0.21/bd (+2.81 vs par · 80)

By vulnerability: vulnerable +0.09/bd (+0.01 vs par · 91) · not vulnerable -0.04/bd (-0.17 vs par · 91)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.LuJ.Coenen – A.LucassenOpen14+35.1+2.51+1.79
Round 2D.LuP.Bedouet – C.DeheegerOpen14-15.8-1.13-1.14
Round 4D.LuA.Milne – J.Nakamaru-PinderOpen14+2.0+0.14-1.00
Round 5D.LuC.Aga – L.InanClosed14-28.2-2.01-1.93
Round 7D.LuS.Ng – L.FungOpen14+24.5+1.75+3.14
Round 8D.LuS.Vazic – J.KosticOpen14+16.8+1.20-0.71
Round 10D.LuS.Chatterjee – W.ChakrabortyOpen14-16.8-1.20-2.36
Round 12D.LuK.Lin – H.GuoOpen14-13.1-0.94-2.29
Round 13D.LuZ.Ferov – D.LazarovOpen14-20.2-1.44-1.64
Round 15D.LuS.Bahbout – C.DehayeOpen14+11.1+0.79+3.14
Round 16D.LuV.Otto – A.BauerOpen14+6.3+0.45-0.57
Round 17D.LuK.Stefanec – I.ZuficOpen14-5.8-0.41+0.36
Round 19D.LuA.Ordog – R.RetzlerOpen14+9.0+0.64+2.21

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
+13.3Round 19🇷🇴 ROMANIA46♠♣4=+13
+13.1Round 1🇳🇱 NETHERLANDS123NTx♥2+2+11
+10.8Round 1🇳🇱 NETHERLANDS96♠♦K-1+9
+10.7Round 7🇭🇰 HONG KONG CHINA92♥x♣2+1+12
+10.4Round 1🇳🇱 NETHERLANDS34♥♦A-1+16
+10.4Round 15🇧🇪 BELGIUM36♠♥J-2+13
+10.1Round 13🇧🇬 BULGARIA86♠♥7=+0
+9.3Round 16🇩🇪 GERMANY237♠♠2=+0
+8.5Round 16🇩🇪 GERMANY166♦♠Q=+10
+8.4Round 17🇭🇷 CROATIA54♣♥K=+11
+8.3Round 8🇷🇸 SERBIA184♥♦K=+8
+7.6Round 10🇮🇳 INDIA205♥x♠K-2+0
+7.5Round 2🇫🇷 FRANCE226♥♦2-1+15
+7.4Round 7🇭🇰 HONG KONG CHINA84♠♠A+1+8
+6.6Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND214♥x♦K-2+5
+6.6Round 15🇧🇪 BELGIUM54♠♦Q+1+0
+6.5Round 19🇷🇴 ROMANIA133♠♣A-1+12
+6.3Round 16🇩🇪 GERMANY263NT♥T-1+12
+6.2Round 17🇭🇷 CROATIA13♠x♣K-3+2
+5.9Round 7🇭🇰 HONG KONG CHINA14♥♠A-3+10
+5.3Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND264♥♣8-1+6
+5.2Round 8🇷🇸 SERBIA284♥♣K-2+6
+5.1Round 8🇷🇸 SERBIA243NT♦T=+0
+5.0Round 8🇷🇸 SERBIA261NT♥J=+11
+4.8Round 1🇳🇱 NETHERLANDS53NT♣2+1+1
+4.4Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND154♠♦9-1+10
+4.3Round 8🇷🇸 SERBIA196♣♠2=-12
+4.3Round 13🇧🇬 BULGARIA23♣♠K-1+10
+4.2Round 19🇷🇴 ROMANIA92NT♦4=+0
+3.7Round 5🇹🇷 TURKIYE32♦♣A-3+1
+3.6Round 7🇭🇰 HONG KONG CHINA35♥x♦T-1+5
+3.5Round 16🇩🇪 GERMANY223♦♠4=+5
+3.4Round 8🇷🇸 SERBIA233♣♦4=+0
+3.2Round 12🇹🇼 CHINESE TAIPEI153♠♥J-1+4
+3.2Round 13🇧🇬 BULGARIA103NT♦2-1+12
+3.1Round 5🇹🇷 TURKIYE113NT♣Q+1+0
+2.9Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND193♦♣K=+5
+2.8Round 2🇫🇷 FRANCE274♠♦2=+0
+2.8Round 7🇭🇰 HONG KONG CHINA101NT♦6=+5
+2.8Round 8🇷🇸 SERBIA154♠♠3+1+0
+2.8Round 13🇧🇬 BULGARIA13♦♥T-3+2
+2.7Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND174♠♦Q-1+10
+2.6Round 5🇹🇷 TURKIYE64♥x♣Q-1+6
+2.5Round 1🇳🇱 NETHERLANDS84♣♦4=+1
+2.3Round 7🇭🇰 HONG KONG CHINA114♠♦K-1+5
+2.3Round 12🇹🇼 CHINESE TAIPEI284♥♠Q=-1
+2.2Round 8🇷🇸 SERBIA214♠♣A=+3
+2.2Round 12🇹🇼 CHINESE TAIPEI223♥♣K=-7
+2.2Round 17🇭🇷 CROATIA83NT♠2=+3
+2.0Round 15🇧🇪 BELGIUM44♠x♣K-1+7
+2.0Round 19🇷🇴 ROMANIA113NT♣6-1+5
+1.9Round 1🇳🇱 NETHERLANDS44♠♣A+1+0
+1.9Round 17🇭🇷 CROATIA146♠x♥A-2+5
+1.8Round 7🇭🇰 HONG KONG CHINA41NT♥3=+5
+1.8Round 7🇭🇰 HONG KONG CHINA143♠♣K-1+3
+1.8Round 10🇮🇳 INDIA213♣♦A+1+6
+1.8Round 15🇧🇪 BELGIUM84♣♠2=+0
+1.8Round 15🇧🇪 BELGIUM142♥♦T+2+7
+1.8Round 19🇷🇴 ROMANIA144♠♦7-1+4
+1.7Round 13🇧🇬 BULGARIA33NT♣T=-1
+1.7Round 13🇧🇬 BULGARIA142♥♦7+1+1
+1.7Round 15🇧🇪 BELGIUM64♠♥K+3-14
+1.7Round 16🇩🇪 GERMANY274♠♥A=-1
+1.6Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND234♠♦4+1-13
+1.6Round 19🇷🇴 ROMANIA32♦♠3+1+1
+1.5Round 5🇹🇷 TURKIYE54♠♥6=+0
+1.3Round 7🇭🇰 HONG KONG CHINA54♥♠5-1-2
+1.3Round 10🇮🇳 INDIA222♠♦9=+0
+1.2Round 1🇳🇱 NETHERLANDS141NT♦9+1+7
+1.2Round 10🇮🇳 INDIA284♠♥A-1-2
+1.1Round 12🇹🇼 CHINESE TAIPEI193♣♥2=+6
+0.9Round 7🇭🇰 HONG KONG CHINA122♠♥A=-1
+0.9Round 10🇮🇳 INDIA275♣♠9+1+11
+0.9Round 15🇧🇪 BELGIUM101♠♦Q=+12
+0.8Round 16🇩🇪 GERMANY194♠♥4+1+0
+0.7Round 10🇮🇳 INDIA233NT♣9+1+1
+0.7Round 10🇮🇳 INDIA263♣♥8=+1
+0.7Round 13🇧🇬 BULGARIA112♥♣2=+7
+0.5Round 2🇫🇷 FRANCE163NT♠4+4+15
+0.5Round 2🇫🇷 FRANCE193♦♥6=-1
+0.4Round 1🇳🇱 NETHERLANDS24♥♠2+2-12
+0.4Round 12🇹🇼 CHINESE TAIPEI174♠♦2=+0
+0.4Round 19🇷🇴 ROMANIA23♦♥6=+0
+0.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND203NT♠Q+1+0
+0.2Round 12🇹🇼 CHINESE TAIPEI262♠♣J+2-10
+0.2Round 16🇩🇪 GERMANY184♠♥2-1-9
+0.1Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND184♠♣T+1+0
+0.1Round 12🇹🇼 CHINESE TAIPEI214♠♣A=+1
+0.1Round 13🇧🇬 BULGARIA135♠♦A=+0
+0.1Round 15🇧🇪 BELGIUM14♠♣T+1+0
+0.0Round 1🇳🇱 NETHERLANDS105♦♠Q-1+6
+0.0Round 12🇹🇼 CHINESE TAIPEI204♥♠K+1+0
+0.0Round 17🇭🇷 CROATIA103NT♥2+1+0
-0.1Round 2🇫🇷 FRANCE234♥♠7+2+13
-0.1Round 10🇮🇳 INDIA253NT♠2+1+0
-0.1Round 16🇩🇪 GERMANY152♠♣4-1+1
-0.2Round 1🇳🇱 NETHERLANDS112♥x♥K-1+0
-0.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND164♠♣A=-1
-0.2Round 16🇩🇪 GERMANY203NT♦8+2+0
-0.3Round 1🇳🇱 NETHERLANDS62♥♥4+1-6
-0.3Round 5🇹🇷 TURKIYE42♠♣T+2+1
-0.3Round 12🇹🇼 CHINESE TAIPEI232NT♦A=+0
-0.3Round 16🇩🇪 GERMANY253♣♥J-1-5
-0.3Round 19🇷🇴 ROMANIA124♠♦T+1+0
-0.4Round 8🇷🇸 SERBIA174♥♣3+1+0
-0.4Round 13🇧🇬 BULGARIA51NT♣T=+0
-0.5Round 8🇷🇸 SERBIA274♥♦9+2-1
-0.5Round 17🇭🇷 CROATIA94♣♠8-1+5
-0.6Round 16🇩🇪 GERMANY214♠♥5+1+0
-0.6Round 17🇭🇷 CROATIA134♥♠T+1+0
-0.7Round 1🇳🇱 NETHERLANDS14♠♥9+1+0
-0.8Round 2🇫🇷 FRANCE243NT♦2+1-1
-0.8Round 2🇫🇷 FRANCE283NT♥6+2-13
-0.9Round 12🇹🇼 CHINESE TAIPEI243♣♦2=+0
-0.9Round 15🇧🇪 BELGIUM93NT♦9=+2
-0.9Round 17🇭🇷 CROATIA32NT♠2+1-1
-1.0Round 15🇧🇪 BELGIUM134♠♣8=+1
-1.0Round 19🇷🇴 ROMANIA84♥♦8+1-7
-1.3Round 10🇮🇳 INDIA244♠♥A+2-11
-1.4Round 2🇫🇷 FRANCE253NT♠2+1-10
-1.4Round 5🇹🇷 TURKIYE13NT♥A+1-1
-1.4Round 17🇭🇷 CROATIA123NT♥9+2-1
-1.5Round 15🇧🇪 BELGIUM124♥♦4+2+11
-1.6Round 2🇫🇷 FRANCE183NT♥3+3+10
-1.7Round 7🇭🇰 HONG KONG CHINA22♠♥6-2+6
-1.7Round 7🇭🇰 HONG KONG CHINA62♥♦A-2+9
-1.8Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND245♥x♠K-1-8
-1.9Round 17🇭🇷 CROATIA74♥♦2+1+0
-2.0Round 13🇧🇬 BULGARIA73♠♦7=+0
-2.1Round 8🇷🇸 SERBIA221NT♥6+1+0
-2.2Round 5🇹🇷 TURKIYE133NT♥6+2-13
-2.3Round 1🇳🇱 NETHERLANDS71NT♠T-1+0
-2.4Round 8🇷🇸 SERBIA162♠♦3=+0
-2.4Round 19🇷🇴 ROMANIA104♣♠5+1+11
-2.5Round 17🇭🇷 CROATIA24♠♥2+1+0
-2.6Round 8🇷🇸 SERBIA203NT♥5-3-10
-2.6Round 19🇷🇴 ROMANIA14♠♥Q+3-2
-2.7Round 2🇫🇷 FRANCE214♦♥Q-2-7
-2.8Round 2🇫🇷 FRANCE172♥♥K=-5
-2.9Round 5🇹🇷 TURKIYE81NT♥3=+0
-3.0Round 5🇹🇷 TURKIYE23NT♠Q-2-6
-3.1Round 15🇧🇪 BELGIUM71NT♠J-4-6
-3.2Round 17🇭🇷 CROATIA113NT♦A-2-6
-3.5Round 15🇧🇪 BELGIUM24♣♥A=+0
-3.7Round 10🇮🇳 INDIA153♦♣2-2-2
-3.7Round 19🇷🇴 ROMANIA62♥♠A+2+10
-3.8Round 2🇫🇷 FRANCE203♠♥5-2-8
-3.8Round 12🇹🇼 CHINESE TAIPEI166NT♠4+1-11
-3.9Round 5🇹🇷 TURKIYE71NT♦A=-6
-3.9Round 12🇹🇼 CHINESE TAIPEI277NT♣T=+0
-4.1Round 10🇮🇳 INDIA185♣x♣Q-1-8
-4.2Round 15🇧🇪 BELGIUM115♣♣J=+11
-4.2Round 16🇩🇪 GERMANY285♣x♠A-2-2
-4.5Round 10🇮🇳 INDIA194♠♣7-1-5
-4.6Round 17🇭🇷 CROATIA42♠♦A-2-3
-4.7Round 2🇫🇷 FRANCE154♠♥6+2-17
-4.7Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND273NT♥T-2-6
-4.8Round 13🇧🇬 BULGARIA96♣♦4+1-11
-4.9Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND253♠♣K-1-5
-4.9Round 19🇷🇴 ROMANIA75♦x♥A-1-8
-5.0Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND284♥♠2-1-6
-5.0Round 7🇭🇰 HONG KONG CHINA74♠♦3-1-12
-5.1Round 5🇹🇷 TURKIYE124♥♠A-2+0
-5.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND226♠♥A-1-11
-5.2Round 12🇹🇼 CHINESE TAIPEI254♥♣8=-10
-5.5Round 5🇹🇷 TURKIYE94♥♦8+1-6
-5.5Round 5🇹🇷 TURKIYE143NT♠6+4-3
-5.6Round 7🇭🇰 HONG KONG CHINA131NT♣8+4-9
-5.9Round 19🇷🇴 ROMANIA53NT♣3-2-8
-6.5Round 1🇳🇱 NETHERLANDS134♠♥A-2-8
-7.1Round 13🇧🇬 BULGARIA124♥x♣4-2-12
-7.3Round 16🇩🇪 GERMANY246NT♣A-1-10
-7.4Round 10🇮🇳 INDIA175♣♠8-3-11
-8.4Round 2🇫🇷 FRANCE265♣x♥A-3-7
-8.5Round 12🇹🇼 CHINESE TAIPEI185♣x♠K=-4
-8.9Round 17🇭🇷 CROATIA64♠x♣2+1-10
-9.3Round 5🇹🇷 TURKIYE104♠♣A=+0
-9.9Round 10🇮🇳 INDIA164♥♣8+2-13
-11.3Round 16🇩🇪 GERMANY171NTx♥4-4-9
-11.5Round 8🇷🇸 SERBIA253NTx♠3=-15
-12.6Round 13🇧🇬 BULGARIA46♣♦A-1-13
-17.9Round 13🇧🇬 BULGARIA66♣x♠A-7-18