PATTERSON Derek · SNAPDRAGON

213rank
+1.3Butler · 126 bds
+0.01per board
±3.8swing
+0.26vs par /bd · #108/345
-0.11adjusted /bd
Butler per round: -3.8 3.5 5.4 7.5 -37.6 16.9 -13 30.2 -7.8by round

vs par split: bidding +0.29 · play -0.02

Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted -0.11/bd

Card play — on target: opening leads 93.3% #7 of 345 · declarer play 74.2% #216 of 345 · defence 82.5% #225 of 345

Bidding activity — not a pass: 39.9% #273 of 345 (140/351)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (5)92.0% (25)
Declarer play72.7% (11)75.0% (20)
Defence71.4% (14)85.7% (49)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 80.0% (5) · ♦ 90.9% (11) · ♣ 100.0% (8)

vs par by strain: NT -0.55 (38) · a suit +0.61 (88)

vs par by level: part-score -0.98 (55) · game +1.21 (66) · slam +1.40 (5)

By role: declaring +0.06/bd (-1.44 vs par · 63) · defending -0.04/bd (+1.97 vs par · 63)

By vulnerability: vulnerable -0.01/bd (-0.75 vs par · 63) · not vulnerable +0.03/bd (+1.27 vs par · 63)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.BurnR.Kuz – M.Decelles-BrentnallClosed14-3.8-0.27+0.07
Round 3D.BurnS.Dinkin – A.SilversteinOpen14+3.5+0.25+0.36
Round 4D.BurnP.Bertheau – A.BlackOpen14+5.4+0.39+2.14
Round 5D.NettletonP.Balakrishnan – K.RamaratnamOpen14+7.5+0.54-0.36
Round 6D.NettletonC.Szabo – A.HonyekClosed14-37.6-2.69-0.21
Round 8D.NettletonS.Yuen – C.GerombouxOpen14+16.9+1.21+0.86
Round 9D.NettletonB.Efraimsson – T.BergdahlOpen14-13.0-0.93+1.00
Round 10D.NettletonJ.Sigsgaard – E.RosthoejOpen14+30.2+2.16+1.43
Round 11D.NettletonA.Asulin – R.PachtmanOpen14-7.8-0.56-2.93

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 10NORDIC GIRLS194♦x♣Q=+12
+11.6Round 10NORDIC GIRLS264♠♣9-2+13
+10.0Round 4TEAM BLACK194♠♣A=+11
+7.9Round 4TEAM BLACK226♥♠3-1+11
+7.9Round 5INDIA SENIORS24♥♦A-1-2
+6.6Round 4TEAM BLACK244♠♠5-3+7
+5.3Round 11ISRAEL MIX64♥♠K-2+7
+5.1Round 10NORDIC GIRLS185♠x♥8-1+0
+4.6Round 5INDIA SENIORS51NTx♣A=+7
+4.1Round 1SANTOSHA132♠♦J-2+7
+4.0Round 6HUNGARY MIXED245♦♥Q-1+10
+3.9Round 8ANTIPODEAN PANDAS243NT♦5-3+11
+3.8Round 1SANTOSHA105♠♣A+1+5
+3.7Round 8ANTIPODEAN PANDAS153NT♥7=-1
+3.6Round 5INDIA SENIORS135♣x♦K-1+0
+3.6Round 11ISRAEL MIX33♠♦2=+0
+3.5Round 10NORDIC GIRLS154♥x♠A-2+8
+3.4Round 8ANTIPODEAN PANDAS223♥♦J-2-5
+3.0Round 3DINKIN84♥x♣7-1+5
+2.9Round 9SWEDEN SENIORS14♠x♦K-1+5
+2.9Round 10NORDIC GIRLS254♠♣T-1+5
+2.6Round 1SANTOSHA141NT♥K=+5
+2.6Round 4TEAM BLACK174♠x♥A-1+5
+2.6Round 11ISRAEL MIX83♣♠A=+0
+2.4Round 8ANTIPODEAN PANDAS173♥♦3-1+6
+2.4Round 9SWEDEN SENIORS44♥♠8=+0
+2.3Round 3DINKIN72NT♥T+3+2
+2.2Round 11ISRAEL MIX134♥♥J+1+4
+2.1Round 3DINKIN143NT♦J+2+0
+2.1Round 10NORDIC GIRLS213♥♠A-1+0
+2.0Round 3DINKIN44♠x♦A-1-7
+2.0Round 8ANTIPODEAN PANDAS162♠♥3+1+1
+2.0Round 11ISRAEL MIX102♠x♥A-3-11
+1.8Round 5INDIA SENIORS73NT♠7+1+1
+1.7Round 8ANTIPODEAN PANDAS182♠♣K+2+1
+1.7Round 8ANTIPODEAN PANDAS252♠♦T+2+2
+1.6Round 8ANTIPODEAN PANDAS234♥♣J+2+1
+1.5Round 1SANTOSHA121NT♣K+1+10
+1.5Round 5INDIA SENIORS102♦♣4=+0
+1.5Round 8ANTIPODEAN PANDAS262NT♣8-1-5
+1.4Round 1SANTOSHA52♥♥4=+5
+1.4Round 5INDIA SENIORS33♦♥Q=-1
+1.4Round 9SWEDEN SENIORS32NT♠A+1+2
+1.2Round 3DINKIN13♥♠A-1+9
+1.2Round 4TEAM BLACK153NT♠8=-2
+1.1Round 3DINKIN111NT♦T=+5
+1.1Round 4TEAM BLACK184♠♦K+2+17
+1.1Round 9SWEDEN SENIORS144♥♥6+1+0
+1.1Round 10NORDIC GIRLS243NT♥6-1+4
+0.9Round 3DINKIN53♣♠K-1+5
+0.9Round 8ANTIPODEAN PANDAS213NT♥4+2+11
+0.9Round 9SWEDEN SENIORS95♠♣K+1+11
+0.9Round 10NORDIC GIRLS274♠♠8=+0
+0.9Round 11ISRAEL MIX93NT♠3+1+7
+0.8Round 1SANTOSHA81NT♣4=+2
+0.8Round 3DINKIN64♥♦J=+0
+0.8Round 5INDIA SENIORS14♥♠J+2+11
+0.8Round 9SWEDEN SENIORS63♦♥A=+0
+0.6Round 8ANTIPODEAN PANDAS204♥♠5=+0
+0.6Round 11ISRAEL MIX13NT♥4+2-11
+0.5Round 10NORDIC GIRLS171NT♠2+1+0
+0.4Round 3DINKIN95♠♦4=+0
+0.4Round 5INDIA SENIORS126♥♠6-1+11
+0.4Round 9SWEDEN SENIORS124♥♣K=+1
+0.1Round 1SANTOSHA34♣♦J+1-4
+0.0Round 4TEAM BLACK234♠♥A+1+13
+0.0Round 11ISRAEL MIX143♦♥A=+0
-0.1Round 4TEAM BLACK281NT♣2+1+0
-0.1Round 11ISRAEL MIX123♣♥2+1+0
-0.2Round 9SWEDEN SENIORS53♥♠6+2+9
-0.3Round 3DINKIN33♦♠K-1+2
-0.3Round 8ANTIPODEAN PANDAS194♠♣Q+2-11
-0.4Round 5INDIA SENIORS144♠♣T+1-11
-0.4Round 6HUNGARY MIXED184♥♣5+1+0
-0.5Round 5INDIA SENIORS91NT♣8=+2
-0.5Round 6HUNGARY MIXED283NT♦Q+1+0
-0.5Round 9SWEDEN SENIORS84♠♦K+2+8
-0.6Round 10NORDIC GIRLS284NT♥3+1-2
-0.8Round 1SANTOSHA14♠♥A=+8
-0.8Round 6HUNGARY MIXED212♠♠6+1+0
-0.9Round 1SANTOSHA41NT♠T+2-10
-1.2Round 6HUNGARY MIXED254♠♥Q-1-5
-1.2Round 11ISRAEL MIX23NT♣8=+2
-1.3Round 1SANTOSHA95♦♠A-1-6
-1.3Round 3DINKIN23♦♥A-3-10
-1.3Round 4TEAM BLACK212♠♠7+2-1
-1.4Round 1SANTOSHA111♠♦2-2-7
-1.4Round 4TEAM BLACK163NT♦K+3-9
-1.4Round 10NORDIC GIRLS203♣♠K+1-10
-1.6Round 4TEAM BLACK273NT♠K+1+1
-1.7Round 5INDIA SENIORS44♥♦K-2-7
-1.7Round 8ANTIPODEAN PANDAS284♥♦5=+1
-1.8Round 10NORDIC GIRLS161NT♠6-1-5
-1.9Round 6HUNGARY MIXED153NT♥3=+0
-1.9Round 6HUNGARY MIXED202♥♣K-1-5
-2.0Round 6HUNGARY MIXED177♠♦5=+0
-2.0Round 6HUNGARY MIXED194♥♠8+2+13
-2.0Round 6HUNGARY MIXED223♥♣9=+0
-2.1Round 3DINKIN132♠♥7=-6
-2.2Round 5INDIA SENIORS62NT♥K-1-4
-2.3Round 10NORDIC GIRLS235♦♠K=+2
-2.4Round 9SWEDEN SENIORS131NT♣8+2-2
-2.6Round 3DINKIN123♦♠2=+1
-2.9Round 4TEAM BLACK254♠x♥K-3-12
-2.9Round 9SWEDEN SENIORS72♠♣4=-10
-2.9Round 11ISRAEL MIX44♦♣6=-11
-3.0Round 9SWEDEN SENIORS105♣♠2=+0
-3.3Round 5INDIA SENIORS84♠♠2-3-2
-3.5Round 1SANTOSHA63NTx♥K-2-8
-3.6Round 1SANTOSHA24♠♥2+1-4
-4.0Round 3DINKIN102NT♠4=-1
-4.0Round 4TEAM BLACK263♦♥6+2-10
-4.0Round 11ISRAEL MIX72♠♥6=-6
-4.2Round 10NORDIC GIRLS224♠♦3=-7
-4.5Round 8ANTIPODEAN PANDAS272♠♣J=+0
-5.9Round 11ISRAEL MIX51NT♥3-2-8
-6.4Round 5INDIA SENIORS113NT♣7-1-10
-6.5Round 9SWEDEN SENIORS21♣♣5-2-11
-6.6Round 1SANTOSHA74♠♦J+2-2
-6.6Round 6HUNGARY MIXED233NT♥2-2+0
-7.2Round 6HUNGARY MIXED162NT♥Q-2-6
-7.4Round 6HUNGARY MIXED274♠♠3=+0
-7.4Round 9SWEDEN SENIORS113NT♠5=+1
-7.7Round 6HUNGARY MIXED263NT♦9-3-10
-10.9Round 11ISRAEL MIX116♥♦T-1-14
-12.7Round 4TEAM BLACK206♥♦8=-1