🇺🇸 DERMAN Ethan · USA1

18rank
+59.1Butler · 104 bds
+0.57per board
±4.4swing
+0.23vs par /bd · #51/105
+0.38adjusted /bd
Butler per round: 1 5.5 2.3 19.8 -6 -6.5 31.8 1.6 10.1 -0.8 -16.8 6 11.1by round

vs par split: bidding +0.07 · play +0.16

Strength of schedule: opponents averaged -0.19/bd (an easy draw) → opponent-adjusted +0.38/bd

Card play — on target: opening leads 75.9% #80 of 105 · declarer play 75.0% #51 of 105 · defence 85.0% #49 of 105

Bidding activity — not a pass: 37.6% #98 of 105 (109/290)

Card play by contract type — on target
vs NTvs a suit
Opening leads57.1% (7)81.8% (22)
Declarer play83.3% (6)72.2% (18)
Defence77.8% (18)88.1% (42)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 77.8% (9) · ♦ 75.0% (8) · ♣ 75.0% (8)

vs par by strain: NT +0.30 (30) · a suit +0.20 (74)

vs par by level: part-score +0.09 (35) · game -0.02 (62) · slam +3.14 (7)

By role: declaring +0.82/bd (-2.02 vs par · 44) · defending +0.38/bd (+1.88 vs par · 60)

By vulnerability: vulnerable +0.37/bd (+1.08 vs par · 52) · not vulnerable +0.76/bd (-0.61 vs par · 52)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.BogeB.Zhang – K.GeOpen8+1.0+0.12-1.50
Round 3J.BogeT.Langdon Macmillan – T.GoldClosed8+5.5+0.69+1.12
Round 4J.BogeA.Shek – J.ChiangClosed8+2.3+0.29+0.38
Round 6J.BogeP.Jindakul – R.KongsattraClosed8+19.8+2.48+2.50
Round 7J.BogeC.Bedford – L.NormanClosed8-6.0-0.75-1.50
Round 8J.BogeY.Shor – S.Zaidenberg GattClosed8-6.5-0.81+1.75
Round 10J.BogeB.Alberti Carcabelos – T.PejacsevichClosed8+31.8+3.98+3.75
Round 11J.BogeM.De Haan – R.Van ZandbeekOpen8+1.6+0.20+0.12
Round 13J.BogeN.Hammelev – A.TylvadOpen8+10.1+1.26-1.50
Round 15J.BogeA.Bukat – F.KurlitClosed8-0.8-0.10-2.50
Round 16J.BogeD.Tokes – D.BiborkaClosed8-16.8-2.10-1.62
Round 18J.BogeG.Gupta – A.MehtaClosed8+6.0+0.75+1.00
Round 19A.SilversteinK.Austad – E.OsenClosed8+11.1+1.39+1.00

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
+12.6Round 10🇺🇾 URUGUAY124♥♠T=+13
+10.8Round 6🇹🇭 THAILAND136♠♦K-2+13
+10.7Round 18🇮🇳 INDIA135♥♠9-1+13
+10.6Round 1🇺🇸 USA233NTx♣J-2+10
+10.5Round 8🇮🇱 ISRAEL293NT♣8-2+13
+10.3Round 6🇹🇭 THAILAND95♥x♦5-2+12
+8.3Round 13🇩🇰 DENMARK55♦x♦K-3+9
+7.5Round 11🇳🇱 NETHERLANDS226♠♥3=+11
+7.4Round 4🇭🇰 HONG KONG CHINA286♣♦J+1-11
+7.1Round 3🇦🇺 AUSTRALIA235♦x♣A-1+10
+7.1Round 18🇮🇳 INDIA163NT♠2+1+7
+6.1Round 13🇩🇰 DENMARK64♥x♦K-1+3
+4.7Round 19🇳🇴 NORWAY223♠♥J-4+2
+4.6Round 10🇺🇾 URUGUAY96♠♣A=+0
+4.6Round 10🇺🇾 URUGUAY135♠♣2+1+17
+4.3Round 6🇹🇭 THAILAND105♦♥A=+0
+3.9Round 11🇳🇱 NETHERLANDS245♦♠K-1+10
+3.8Round 15🇵🇱 POLAND243♣x♥Q-3+2
+3.4Round 11🇳🇱 NETHERLANDS233NT♦J=-1
+3.3Round 18🇮🇳 INDIA142♠♦A+1+1
+3.2Round 15🇵🇱 POLAND173NT♠4=+0
+3.0Round 10🇺🇾 URUGUAY143♥♦K-1+5
+2.9Round 19🇳🇴 NORWAY204♠♦T=-1
+2.8Round 3🇦🇺 AUSTRALIA244♠♥4-1+5
+2.6Round 10🇺🇾 URUGUAY151NT♠K+3+2
+2.5Round 1🇺🇸 USA261NT♥3-1+4
+2.4Round 13🇩🇰 DENMARK31NT♠T+2+6
+2.3Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND183♦♥3=+0
+2.3Round 10🇺🇾 URUGUAY105♠x♦4-2+0
+2.3Round 16🇭🇺 HUNGARY322♠♥Q+1+0
+2.2Round 1🇺🇸 USA255♠♥K-1-9
+2.2Round 19🇳🇴 NORWAY183♦♥2=+5
+2.1Round 4🇭🇰 HONG KONG CHINA262NT♠A=+11
+2.0Round 8🇮🇱 ISRAEL324♥♠Q+1+10
+1.9Round 8🇮🇱 ISRAEL261NT♥4-1+5
+1.9Round 18🇮🇳 INDIA154♠♦4=-1
+1.8Round 13🇩🇰 DENMARK23♣♠4=+0
+1.5Round 10🇺🇾 URUGUAY113NT♦5+1-1
+1.3Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243♦♠A+1+1
+1.3Round 15🇵🇱 POLAND182♠♥8+1+0
+1.3Round 16🇭🇺 HUNGARY284♠♣Q+1+6
+1.1Round 15🇵🇱 POLAND194♠♦2+1+0
+1.1Round 19🇳🇴 NORWAY214♠♥5-1+5
+0.9Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND201♠♣Q+2+0
+0.8Round 19🇳🇴 NORWAY243♥♦6-2-1
+0.7Round 4🇭🇰 HONG KONG CHINA252♠♣3+3+6
+0.7Round 6🇹🇭 THAILAND146♦♠5+1-2
+0.6Round 4🇭🇰 HONG KONG CHINA293NT♥9=+2
+0.6Round 10🇺🇾 URUGUAY165♣♥T-3-6
+0.6Round 11🇳🇱 NETHERLANDS193NT♥2=+0
+0.4Round 1🇺🇸 USA281NT♥5-2-8
+0.4Round 3🇦🇺 AUSTRALIA185♦♥K-1+2
+0.4Round 6🇹🇭 THAILAND161NT♦K-1+2
+0.4Round 13🇩🇰 DENMARK14♥♠7+1-11
+0.3Round 3🇦🇺 AUSTRALIA193♣♣5-2+0
+0.2Round 19🇳🇴 NORWAY194♥♣K-1-16
+0.1Round 19🇳🇴 NORWAY174♠♥2=+1
-0.0Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173♥♠K-1-2
-0.2Round 3🇦🇺 AUSTRALIA203NT♦5+1-1
-0.2Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND213NT♠6+2-10
-0.2Round 11🇳🇱 NETHERLANDS201NT♥6=+1
-0.3Round 6🇹🇭 THAILAND112♥♣Q=+0
-0.4Round 3🇦🇺 AUSTRALIA212NT♣4+1-1
-0.4Round 6🇹🇭 THAILAND121NT♥6+1-5
-0.5Round 18🇮🇳 INDIA114♠♦5+1+0
-0.6Round 15🇵🇱 POLAND204♠♦J-2-9
-0.7Round 16🇭🇺 HUNGARY274♥♠7=+1
-0.7Round 18🇮🇳 INDIA94♥♣T+2-11
-0.8Round 1🇺🇸 USA274♠♣T+1-1
-0.9Round 4🇭🇰 HONG KONG CHINA301♠♦3+2-1
-0.9Round 19🇳🇴 NORWAY235♦♥A=+13
-1.0Round 13🇩🇰 DENMARK83NT♥6+2+0
-1.1Round 4🇭🇰 HONG KONG CHINA326NT♦7=+11
-1.1Round 8🇮🇱 ISRAEL304♠♥4=-1
-1.3Round 4🇭🇰 HONG KONG CHINA272♠♦K-1-9
-1.5Round 16🇭🇺 HUNGARY304♠♥6=+1
-1.7Round 3🇦🇺 AUSTRALIA223NT♣8+1-1
-1.8Round 16🇭🇺 HUNGARY293♣♣6+1+0
-1.9Round 1🇺🇸 USA222♠♣5+1+0
-1.9Round 15🇵🇱 POLAND214♥♦3=+0
-2.2Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND232♠♥2=+1
-2.2Round 11🇳🇱 NETHERLANDS212NT♦3=+0
-2.4Round 8🇮🇱 ISRAEL314♠♦6=+0
-2.5Round 8🇮🇱 ISRAEL254♥♦K=-3
-2.7Round 13🇩🇰 DENMARK74♠♦5+2-13
-2.8Round 3🇦🇺 AUSTRALIA174♥♣5-1-5
-3.1Round 15🇵🇱 POLAND223NT♠4+3-1
-3.2Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND194♥♣T=+0
-4.2Round 16🇭🇺 HUNGARY254♥♣K-2-1
-4.5Round 1🇺🇸 USA213NT♠J+1+0
-4.5Round 11🇳🇱 NETHERLANDS172♦♦5+1-6
-4.6Round 15🇵🇱 POLAND232♠♦2=-12
-4.7Round 8🇮🇱 ISRAEL274♠♥2-1-10
-4.7Round 18🇮🇳 INDIA104♠♥8=+13
-4.9Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223NT♦T+2-2
-4.9Round 16🇭🇺 HUNGARY264♥♦A-2-7
-5.2Round 4🇭🇰 HONG KONG CHINA314♠♦6-3-6
-5.2Round 13🇩🇰 DENMARK41NT♦4-1-6
-6.0Round 6🇹🇭 THAILAND154♠♣9=+0
-6.9Round 11🇳🇱 NETHERLANDS183NT♥K-3-14
-7.3Round 16🇭🇺 HUNGARY314♠♥A=-13
-7.5Round 1🇺🇸 USA244♠♣Q-2-8
-10.2Round 8🇮🇱 ISRAEL286♠♦T=+0
-11.1Round 18🇮🇳 INDIA123NT♠8-3-14