🇺🇸 CHANG Nolan · USA

15rank
+171.4Butler · 210 bds
+0.82per board
±4.8swing
+0.93vs par /bd · #14/99
+0.81adjusted /bd
Butler per round: -7.7 -8.8 3.1 6.3 25.7 49.8 35.6 22.6 -15.4 38.9 -27.7 18 23.1 15.8 -7.9by round

vs par split: bidding +0.82 · play +0.10

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.81/bd

Card play — on target: opening leads 90.0% #2 of 99 · declarer play 73.3% #51 of 99 · defence 83.7% #49 of 99

Card play by contract type — on target
vs NTvs a suit
Opening leads77.8% (9)93.5% (31)
Declarer play77.8% (9)72.2% (36)
Defence83.3% (24)83.8% (80)

Opening leads by suit led: ♠ 92.9% (14) · ♥ 90.9% (11) · ♦ 87.5% (8) · ♣ 85.7% (7)

vs par by strain: NT +1.15 (59) · a suit +0.84 (151)

vs par by level: part-score +1.56 (79) · game +0.11 (116) · slam +3.93 (15)

By role: declaring +0.79/bd (-1.19 vs par · 106) · defending +0.84/bd (+3.09 vs par · 104)

By vulnerability: vulnerable +1.11/bd (+1.43 vs par · 105) · not vulnerable +0.52/bd (+0.43 vs par · 105)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1I.StephaniP.Godlewski – K.MajewskiClosed14-7.7-0.55-2.50
Round 2C.SpencerC.Chan – J.TsangOpen14-8.8-0.63-0.21
Round 4C.SpencerS.Overvelde – O.NijssenOpen14+3.1+0.22-0.43
Round 5C.SpencerF.Alter – L.StreckClosed14+6.3+0.45+3.57
Round 6H.BerkKAR SOUVIK – ROY SAGNIKClosed14+25.7+1.84+1.79
Round 7C.SpencerM.Balodis – G.DreimanisClosed14+49.8+3.56+4.07
Round 8H.BerkC.Smith – F.BasoaltoClosed14+35.6+2.54+2.00
Round 9I.StephaniF.Beugin – M.DufreneClosed14+22.6+1.61+3.86
Round 10I.StephaniV.Todd-Moir – S.BuneOpen14-15.4-1.10-0.36
Round 11C.SpencerG.Yang – K.SiewClosed14+38.9+2.78+4.43
Round 13C.SpencerE.Hansson – C.MannClosed14-27.7-1.98-1.71
Round 14H.BerkW.Peniston – R.CaveClosed14+18.0+1.29+2.07
Round 15I.StephaniJ.Tan – Z.FangOpen14+23.1+1.65-0.71
Round 16I.StephaniA.Ezion – A.ZamirClosed14+15.8+1.13-0.29
Round 17C.SpencerC.Shi – C.ChenClosed14-7.9-0.56-1.64

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
+14.9Round 10🇩🇰 DENMARK282♣xx♥A-3+15
+14.2Round 8🇨🇱 CHILE45♥x♣A-6+14
+12.2Round 15🇨🇳 CHINA123NT♠6-3+14
+11.5Round 11🇸🇬 SINGAPORE123NTx♠3-2+14
+11.2Round 9🇫🇷 FRANCE186♠♣5-1+17
+10.9Round 16🇮🇱 ISRAEL266♠♥K=+0
+10.8Round 7🇱🇻 LATVIA247♠x♣5=+6
+10.6Round 6🇮🇳 INDIA104♠x♥K=+7
+10.5Round 6🇮🇳 INDIA94♠x♠2-1+12
+10.3Round 8🇨🇱 CHILE134♥♠Q=+3
+9.9Round 7🇱🇻 LATVIA256♣x♠A-2+5
+9.9Round 11🇸🇬 SINGAPORE136♥♦3-2+17
+9.4Round 5🇩🇪 GERMANY162♠♦A=+15
+9.4Round 7🇱🇻 LATVIA264♥♠2-1+13
+8.8Round 8🇨🇱 CHILE24♥♦Q=+8
+8.5Round 15🇨🇳 CHINA33NT♥5=+0
+8.4Round 9🇫🇷 FRANCE244♥♦Q-1+11
+8.1Round 1🇵🇱 POLAND74♠♦2+1+10
+8.1Round 5🇩🇪 GERMANY212NT♥4+1+10
+8.1Round 11🇸🇬 SINGAPORE101NTx♠4-1+8
+6.7Round 7🇱🇻 LATVIA225♠♠3+2+14
+6.6Round 1🇵🇱 POLAND145♥x♥4-1+0
+6.6Round 4🇳🇱 NETHERLANDS102♥♠8+3+9
+6.2Round 11🇸🇬 SINGAPORE94♠♥A-2+11
+6.0Round 7🇱🇻 LATVIA203♠♣8+1+10
+5.8Round 6🇮🇳 INDIA134♠♣10+1+1
+5.6Round 4🇳🇱 NETHERLANDS92♥x♥3-1+5
+5.6Round 7🇱🇻 LATVIA214♠♦K+1-8
+5.6Round 16🇮🇱 ISRAEL185♦♠6=+7
+5.4Round 16🇮🇱 ISRAEL275♦x♠A-3+2
+5.3Round 5🇩🇪 GERMANY154♥♦6=+0
+5.1Round 7🇱🇻 LATVIA192♥♦2-3+6
+5.1Round 14🇧🇲 BERMUDA153♦♠A=+11
+4.8Round 13🇸🇪 SWEDEN93♥♦6-3+7
+4.8Round 17🇹🇼 CHINESE TAIPEI84♠x♥A-2+4
+4.6Round 14🇧🇲 BERMUDA184♠♦Q-1+5
+4.4Round 5🇩🇪 GERMANY173♦♦2+2+13
+4.4Round 17🇹🇼 CHINESE TAIPEI63NT♣J-1+5
+4.3Round 9🇫🇷 FRANCE193NT♥4=-2
+4.3Round 13🇸🇪 SWEDEN14♠♠9=+0
+4.2Round 2🇭🇰 CHINA HONG KONG164♥♠3=+3
+4.2Round 11🇸🇬 SINGAPORE21NT♠7=+11
+3.8Round 2🇭🇰 CHINA HONG KONG184♥x♠A-2+2
+3.8Round 5🇩🇪 GERMANY244♥x♣A-1+6
+3.6Round 14🇧🇲 BERMUDA231NT♣K+1+0
+3.4Round 4🇳🇱 NETHERLANDS12♥♣K=+5
+3.2Round 7🇱🇻 LATVIA286♣♥Q+1+13
+3.2Round 13🇸🇪 SWEDEN123NT♥Q+1+0
+3.2Round 14🇧🇲 BERMUDA211NT♥4=+5
+3.1Round 11🇸🇬 SINGAPORE13♦♠9=+5
+3.1Round 15🇨🇳 CHINA84♣♥A=+1
+2.9Round 13🇸🇪 SWEDEN33NT♠J-1+5
+2.8Round 4🇳🇱 NETHERLANDS73NT♠7+1+0
+2.8Round 5🇩🇪 GERMANY233♠♠8-1+5
+2.8Round 7🇱🇻 LATVIA233NT♣4=+10
+2.8Round 17🇹🇼 CHINESE TAIPEI32♠♥7=+7
+2.6Round 11🇸🇬 SINGAPORE82NT♠Q=+0
+2.5Round 1🇵🇱 POLAND102♠♥J-2+2
+2.5Round 2🇭🇰 CHINA HONG KONG222♠♥7+1+0
+2.5Round 4🇳🇱 NETHERLANDS133♥♥A-3-7
+2.5Round 14🇧🇲 BERMUDA263NT♠4+2+1
+2.4Round 5🇩🇪 GERMANY202♥♠J-1+11
+2.4Round 8🇨🇱 CHILE53♦♠7-1+4
+2.4Round 14🇧🇲 BERMUDA163♥♠5+1-6
+2.4Round 16🇮🇱 ISRAEL214♥♣4+1-11
+2.3Round 8🇨🇱 CHILE74♠♥7=+0
+2.2Round 6🇮🇳 INDIA111NT♦4=+6
+2.2Round 9🇫🇷 FRANCE254♠♣7-1+5
+2.2Round 14🇧🇲 BERMUDA254♠♦4=+13
+2.2Round 16🇮🇱 ISRAEL223NT♣7=-1
+2.1Round 2🇭🇰 CHINA HONG KONG202♠♠Q-1+0
+2.1Round 6🇮🇳 INDIA53NT♣Q+1+0
+2.1Round 7🇱🇻 LATVIA154♥♠4=-1
+2.1Round 15🇨🇳 CHINA74♦♣A=+0
+2.1Round 15🇨🇳 CHINA142♠♣4=+0
+1.9Round 1🇵🇱 POLAND52♠♣A=-1
+1.9Round 10🇩🇰 DENMARK184♠♥6-1+6
+1.9Round 10🇩🇰 DENMARK243♥♣4-1+4
+1.8Round 7🇱🇻 LATVIA181NT♦3-2+2
+1.8Round 14🇧🇲 BERMUDA192♥♠K=+11
+1.8Round 16🇮🇱 ISRAEL155♣x♠K-1-6
+1.7Round 8🇨🇱 CHILE105♣♠10+1-13
+1.5Round 1🇵🇱 POLAND24♠♣A-5+2
+1.5Round 6🇮🇳 INDIA64♠♣Q+1+0
+1.5Round 14🇧🇲 BERMUDA245♦♣6=+0
+1.5Round 15🇨🇳 CHINA23NT♦7+2+0
+1.5Round 16🇮🇱 ISRAEL163NT♠7=-1
+1.5Round 16🇮🇱 ISRAEL171NT♦6+1+0
+1.4Round 4🇳🇱 NETHERLANDS42♥♠6=+6
+1.4Round 6🇮🇳 INDIA43♥♦5=+0
+1.4Round 8🇨🇱 CHILE92♣♦7=-1
+1.4Round 16🇮🇱 ISRAEL253NT♥4-2+5
+1.3Round 9🇫🇷 FRANCE202♠♣Q+1+6
+1.2Round 8🇨🇱 CHILE143♦♠2+1+1
+1.2Round 15🇨🇳 CHINA63NT♣6+2+1
+1.2Round 17🇹🇼 CHINESE TAIPEI76♦♠Q+1-7
+1.2Round 17🇹🇼 CHINESE TAIPEI91NT♥3=+0
+1.1Round 2🇭🇰 CHINA HONG KONG284♥♦3+2-11
+1.1Round 9🇫🇷 FRANCE233♥♦7-1+1
+0.9Round 1🇵🇱 POLAND33NT♣J+1+0
+0.9Round 8🇨🇱 CHILE123NT♣9=+0
+0.9Round 9🇫🇷 FRANCE284♥♠2=+0
+0.9Round 11🇸🇬 SINGAPORE143♦♦5-1-3
+0.8Round 2🇭🇰 CHINA HONG KONG273NT♠7+2+0
+0.8Round 9🇫🇷 FRANCE172♠♦A-2+0
+0.8Round 14🇧🇲 BERMUDA173NT♠4=-1
+0.8Round 17🇹🇼 CHINESE TAIPEI44♠♦Q=+0
+0.7Round 6🇮🇳 INDIA13NT♦3=-1
+0.6Round 4🇳🇱 NETHERLANDS122♣♥A=-2
+0.6Round 9🇫🇷 FRANCE261NT♣10-1+11
+0.6Round 10🇩🇰 DENMARK202♦♣7+3+10
+0.6Round 10🇩🇰 DENMARK223♠♣7-1-6
+0.6Round 10🇩🇰 DENMARK263NT♥7=+1
+0.6Round 15🇨🇳 CHINA14♠♥9+1+0
+0.6Round 15🇨🇳 CHINA112NT♣6+2-7
+0.6Round 16🇮🇱 ISRAEL204♠♥A-1+6
+0.5Round 1🇵🇱 POLAND63♦♠A=-12
+0.5Round 5🇩🇪 GERMANY274♠♥6=+3
+0.5Round 6🇮🇳 INDIA124♠♦4+1+0
+0.5Round 11🇸🇬 SINGAPORE33NT♥4+2+0
+0.5Round 15🇨🇳 CHINA101NT♦6-1+1
+0.5Round 16🇮🇱 ISRAEL193NT♠3+1+1
+0.4Round 2🇭🇰 CHINA HONG KONG154♠♥Q+1+0
+0.4Round 10🇩🇰 DENMARK274♥♣K+1+0
+0.3Round 13🇸🇪 SWEDEN144♥♠2=-1
+0.2Round 4🇳🇱 NETHERLANDS83♥♣A-1+2
+0.2Round 11🇸🇬 SINGAPORE53NT♣Q+1+0
+0.1Round 4🇳🇱 NETHERLANDS113♣♦10-2+0
+0.0Round 6🇮🇳 INDIA85♣♥A=+0
-0.0Round 13🇸🇪 SWEDEN54♥♦6=-1
-0.0Round 15🇨🇳 CHINA44♥♦5+1+0
-0.1Round 11🇸🇬 SINGAPORE63♣♥K=-1
-0.1Round 13🇸🇪 SWEDEN114♥♣9+1+11
-0.1Round 16🇮🇱 ISRAEL233♠♦A-1-5
-0.4Round 4🇳🇱 NETHERLANDS33NT♣2+1-1
-0.4Round 9🇫🇷 FRANCE224♠♦2+1+0
-0.5Round 4🇳🇱 NETHERLANDS21NT♠10=+1
-0.5Round 11🇸🇬 SINGAPORE74♥♣A+1+13
-0.7Round 8🇨🇱 CHILE113NT♠A-2+6
-0.7Round 17🇹🇼 CHINESE TAIPEI114♥x♣Q-1-5
-0.8Round 14🇧🇲 BERMUDA273NT♥2=+0
-0.8Round 15🇨🇳 CHINA134♥♠10=-3
-0.9Round 7🇱🇻 LATVIA271NT♥6+1+1
-0.9Round 8🇨🇱 CHILE61NT♥5=+11
-0.9Round 9🇫🇷 FRANCE271NT♠8-1-2
-1.0Round 8🇨🇱 CHILE84♥♦Q=+0
-1.0Round 17🇹🇼 CHINESE TAIPEI24♥♠Q-3-2
-1.1Round 1🇵🇱 POLAND112♥♠5=+1
-1.1Round 2🇭🇰 CHINA HONG KONG194♠♦9=+0
-1.1Round 2🇭🇰 CHINA HONG KONG213♣♠Q-3-2
-1.1Round 9🇫🇷 FRANCE216♠♣2+1+13
-1.1Round 17🇹🇼 CHINESE TAIPEI143NT♦3=-2
-1.3Round 4🇳🇱 NETHERLANDS63♦♣Q-1-5
-1.4Round 6🇮🇳 INDIA72NT♠2=-1
-1.4Round 10🇩🇰 DENMARK212♥♦4+1-1
-1.4Round 17🇹🇼 CHINESE TAIPEI125♣♥10+1+1
-1.5Round 8🇨🇱 CHILE13♥♥A=+0
-1.5Round 17🇹🇼 CHINESE TAIPEI13NT♠J+1+0
-1.6Round 1🇵🇱 POLAND133♥♦8=+0
-1.6Round 11🇸🇬 SINGAPORE43♥♥6-1-5
-1.8Round 2🇭🇰 CHINA HONG KONG236♥♣5+1+13
-1.8Round 5🇩🇪 GERMANY263♣♦K+2+8
-1.9Round 13🇸🇪 SWEDEN134♠♥3+1-13
-2.1Round 9🇫🇷 FRANCE164♠♥8=+0
-2.4Round 14🇧🇲 BERMUDA204♥♠10=+0
-2.4Round 14🇧🇲 BERMUDA283NT♣5+1+1
-2.5Round 6🇮🇳 INDIA25♣♠K=+0
-2.5Round 10🇩🇰 DENMARK153NT♥3+3-11
-2.7Round 15🇨🇳 CHINA54♠♣7-1-5
-2.8Round 6🇮🇳 INDIA32♥♠6=+0
-2.9Round 1🇵🇱 POLAND84♠♥A-1-8
-2.9Round 6🇮🇳 INDIA145♦♥8=+1
-3.1Round 13🇸🇪 SWEDEN83NT♣2+4-2
-3.2Round 10🇩🇰 DENMARK195♥♦4=-2
-3.3Round 2🇭🇰 CHINA HONG KONG256♣♠J+1+11
-3.3Round 5🇩🇪 GERMANY223NT♠9+1+1
-3.4Round 5🇩🇪 GERMANY253♠♠2=+0
-3.5Round 2🇭🇰 CHINA HONG KONG264♠x♠2-1+0
-3.5Round 8🇨🇱 CHILE35♦♠A-1-5
-3.7Round 1🇵🇱 POLAND94♠♥10+1+0
-3.7Round 9🇫🇷 FRANCE151NT♦6-2-6
-4.1Round 14🇧🇲 BERMUDA223NT♠3-2-11
-4.1Round 17🇹🇼 CHINESE TAIPEI101♥♥7+3-1
-4.3Round 10🇩🇰 DENMARK175♠x♦5-3-5
-4.4Round 13🇸🇪 SWEDEN44♠♦9=+0
-4.4Round 13🇸🇪 SWEDEN66♦♥K-2-13
-4.5Round 10🇩🇰 DENMARK256NT♥7=+11
-5.1Round 2🇭🇰 CHINA HONG KONG244♠♣5-1-5
-5.1Round 5🇩🇪 GERMANY284♥♦2-1-10
-5.1Round 7🇱🇻 LATVIA163♦♠3-3-5
-5.6Round 10🇩🇰 DENMARK233♠♦10=-12
-5.8Round 1🇵🇱 POLAND14♥♠9+1-2
-5.8Round 5🇩🇪 GERMANY186♦♥K=+0
-5.8Round 15🇨🇳 CHINA92♥♥2=-12
-6.0Round 1🇵🇱 POLAND123NT♥9=-10
-6.0Round 17🇹🇼 CHINESE TAIPEI54♥x♣A=-10
-6.1Round 11🇸🇬 SINGAPORE114♥♠2=-8
-7.3Round 17🇹🇼 CHINESE TAIPEI133NT♦K-2-13
-7.5Round 16🇮🇱 ISRAEL241NTx♦A-3+9
-7.6Round 7🇱🇻 LATVIA173♣x♥Q+2-9
-7.8Round 2🇭🇰 CHINA HONG KONG176♦♠A-1-14
-8.4Round 13🇸🇪 SWEDEN104♠♦K=-1
-8.5Round 13🇸🇪 SWEDEN24♠♣9=-3
-8.6Round 1🇵🇱 POLAND45♣♥4+2-17
-8.8Round 4🇳🇱 NETHERLANDS143♥x♦4-2-12
-9.1Round 4🇳🇱 NETHERLANDS54♠x♥A=-7
-10.4Round 16🇮🇱 ISRAEL282♣x♦Q-5-10
-11.0Round 5🇩🇪 GERMANY194NT♠3+3-12
-12.4Round 13🇸🇪 SWEDEN76♦♥A=-13
-14.8Round 10🇩🇰 DENMARK165♣x♠6-5-15