🇭🇰 TSENG Sam · HONG KONG CHINA

44rank
+23.6Butler · 223 bds
+0.11per board
±4.4swing
-0.29vs par /bd · #69/109
+0.06adjusted /bd
Butler per round: 5 25.1 8.1 -32.8 23.3 -6.3 -15.2 9.8 -9.6 5.1 4.3 7.4 0.3 9.9 14.1 -24.9by round

vs par split: bidding -0.01 · play -0.28

Strength of schedule: opponents averaged -0.05/bd (an average draw) → opponent-adjusted +0.06/bd

Card play — on target: opening leads 75.4% #79 of 109 · declarer play 71.4% #66 of 109 · defence 88.5% #9 of 109

Bidding activity — not a pass: 46.5% #22 of 109 (283/609)

Card play by contract type — on target
vs NTvs a suit
Opening leads63.2% (19)81.0% (42)
Declarer play62.5% (16)74.5% (47)
Defence87.1% (31)89.0% (73)

Opening leads by suit led: ♠ 75.0% (16) · ♥ 86.7% (15) · ♦ 64.3% (14) · ♣ 75.0% (16)

vs par by strain: NT +0.25 (73) · a suit -0.55 (150)

vs par by level: part-score -0.10 (83) · game -0.34 (122) · slam -0.83 (18)

By role: declaring -0.50/bd (-3.44 vs par · 119) · defending +0.79/bd (+3.32 vs par · 104)

By vulnerability: vulnerable +0.17/bd (-0.51 vs par · 112) · not vulnerable +0.04/bd (-0.07 vs par · 111)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.ManM.You – M.HuangClosed14+5.0+0.36-0.50
Round 2N.ManK.Schwalbach – M.GuendelClosed14+25.1+1.79+1.07
Round 3N.ManM.Maasik – K.PruulClosed14+8.1+0.58-2.57
Round 5N.ManY.Ben David – I.GinossarOpen14-32.8-2.34-2.64
Round 6N.ManC.Basbug – M.DikbasClosed14+23.3+1.66+2.14
Round 7N.ManB.Kompa – J.SchwartzClosed14-6.3-0.45+1.00
Round 8N.ManD.Lee – K.SiewOpen14-15.2-1.09-2.93
Round 9N.ManH.Rus – T.KukuljanClosed14+9.8+0.70+0.36
Round 10N.ManZ.Ferov – D.LazarovClosed14-9.6-0.69-2.29
Round 12N.ManJ.Djilovic – A.MijicOpen14+5.1+0.36-0.57
Round 13N.ManA.Ordog – R.RetzlerOpen14+4.3+0.31-0.43
Round 14N.ManC.Deheeger – P.BedouetOpen14+7.4+0.53+0.14
Round 15N.ManG.Freimanis – G.FalconerClosed14+0.3+0.02+2.21
Round 17N.ManS.Vazic – J.KosticClosed13+9.9+0.76+1.23
Round 18N.ManS.Chatterjee – W.ChakrabortyOpen14+14.1+1.01-0.14
Round 19N.ManH.Guo – H.HuangClosed14-24.9-1.78-0.64

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
+11.7Round 2🇩🇪 GERMANY253♠x♠5-4+5
+11.7Round 17🇷🇸 SERBIA74♠♦A-1+13
+11.5Round 18🇮🇳 INDIA255♣♠K-2+13
+10.8Round 1🇨🇳 CHINA96♠♣7-1+9
+10.5Round 10🇧🇬 BULGARIA213NT♦5+1+13
+10.2Round 6🇹🇷 TURKIYE206NT♣7=+0
+9.3Round 5🇮🇱 ISRAEL104♠♥4=+0
+9.1Round 2🇩🇪 GERMANY156♠♥6=-13
+9.1Round 3🇱🇻 LATVIA54♠♣T=+10
+8.6Round 17🇷🇸 SERBIA26♠♥2-1+11
+8.5Round 18🇮🇳 INDIA154♥♦K=+3
+8.2Round 12🇭🇷 CROATIA276♣♠2+1+11
+7.5Round 2🇩🇪 GERMANY226♥♦7-1+15
+7.5Round 12🇭🇷 CROATIA193NT♣Q-4+11
+7.5Round 12🇭🇷 CROATIA253NT♥5-1+6
+7.3Round 7🇺🇸 USA135♠♣4-1+9
+6.9Round 6🇹🇷 TURKIYE283NTx♥Q=+12
+6.8Round 14🇫🇷 FRANCE276♠♣A=+12
+6.8Round 17🇷🇸 SERBIA55♥♦A-1+10
+6.6Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND55♠♦Q=+0
+6.5Round 7🇺🇸 USA123♠♥6=+11
+6.4Round 1🇨🇳 CHINA33♥♠T+1+15
+6.4Round 7🇺🇸 USA184♠♣A=+8
+6.1Round 9🇸🇮 SLOVENIA114♣♥Q+2+13
+5.8Round 13🇷🇴 ROMANIA103NT♦Q-2+13
+5.8Round 14🇫🇷 FRANCE256♠♣A+1-11
+5.7Round 13🇷🇴 ROMANIA23NT♦2-2+11
+5.4Round 10🇧🇬 BULGARIA174♠♣8=+0
+5.2Round 6🇹🇷 TURKIYE253♠♣K-3+9
+5.1Round 9🇸🇮 SLOVENIA72♦♠2+2+16
+4.8Round 13🇷🇴 ROMANIA113NT♦9-1+10
+4.5Round 9🇸🇮 SLOVENIA43♦♠2=+6
+4.2Round 9🇸🇮 SLOVENIA24♠♥A+1+0
+4.2Round 14🇫🇷 FRANCE163NT♥2+2+12
+3.9Round 18🇮🇳 INDIA183♠♣7=+0
+3.8Round 2🇩🇪 GERMANY274♠♥A+1+1
+3.5Round 7🇺🇸 USA113♥♣J-1+8
+3.5Round 8🇸🇬 SINGAPORE221NT♥6-1+6
+3.5Round 13🇷🇴 ROMANIA33NT♥7+2+1
+3.5Round 17🇷🇸 SERBIA42♠♦7=+5
+3.3Round 12🇭🇷 CROATIA284♥♣8+1+0
+3.3Round 18🇮🇳 INDIA192♥♠J=+6
+3.2Round 8🇸🇬 SINGAPORE262♠♥K+1+10
+3.2Round 13🇷🇴 ROMANIA53NT♥5-1+4
+3.2Round 14🇫🇷 FRANCE173NT♠9-1+5
+3.2Round 19🇹🇼 CHINESE TAIPEI64♠♣A-1+12
+2.9Round 3🇱🇻 LATVIA34♠♦A+1+0
+2.8Round 3🇱🇻 LATVIA74♣♣7-1+1
+2.7Round 2🇩🇪 GERMANY172♣x♥5-1+1
+2.7Round 6🇹🇷 TURKIYE214♥♠3-1+5
+2.7Round 8🇸🇬 SINGAPORE254♣♣2-1-8
+2.7Round 9🇸🇮 SLOVENIA33NT♣6+2+1
+2.7Round 9🇸🇮 SLOVENIA143♠♦4=-7
+2.5Round 19🇹🇼 CHINESE TAIPEI106♣♠5-1+13
+2.3Round 18🇮🇳 INDIA233NT♥8=-1
+2.2Round 5🇮🇱 ISRAEL133NT♥8+2+13
+2.2Round 8🇸🇬 SINGAPORE214♠♣A=+3
+2.2Round 17🇷🇸 SERBIA93NT♠7-2+7
+2.2Round 18🇮🇳 INDIA161NT♣2-1+5
+2.1Round 14🇫🇷 FRANCE222♦♣6+2+0
+2.0Round 19🇹🇼 CHINESE TAIPEI132♠♠2=+11
+1.9Round 1🇨🇳 CHINA44♠♣A+1+0
+1.9Round 6🇹🇷 TURKIYE234♠♦A-1-1
+1.9Round 8🇸🇬 SINGAPORE154♥♦J=-1
+1.8Round 7🇺🇸 USA141NT♥3=+5
+1.8Round 9🇸🇮 SLOVENIA13♠♦A+1+1
+1.8Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND142♥♠Q+2+7
+1.7Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND64♠♣9+3-14
+1.7Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND103NT♥9-1+12
+1.6Round 2🇩🇪 GERMANY191NT♠A+2+0
+1.5Round 3🇱🇻 LATVIA62♥♠Q+1+0
+1.5Round 13🇷🇴 ROMANIA12♥♦K=+1
+1.4Round 2🇩🇪 GERMANY163NT♥Q+3+16
+1.4Round 3🇱🇻 LATVIA42♥♠A=+1
+1.4Round 3🇱🇻 LATVIA116♣♦2=-2
+1.4Round 6🇹🇷 TURKIYE223NT♦3=+0
+1.4Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND24♣♦A-1+5
+1.3Round 6🇹🇷 TURKIYE185♣♦Q=-2
+1.3Round 7🇺🇸 USA154♥♠8-1-2
+1.2Round 1🇨🇳 CHINA25♥♦Q+2-12
+1.2Round 10🇧🇬 BULGARIA283♠♠7-1-2
+1.1Round 1🇨🇳 CHINA132♠♥K+1+0
+1.1Round 3🇱🇻 LATVIA123NT♦T+1-12
+1.0Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND125♦♣5=+11
+0.9Round 10🇧🇬 BULGARIA222♥♦J-1+0
+0.8Round 3🇱🇻 LATVIA21♥♣3=+0
+0.7Round 10🇧🇬 BULGARIA233NT♣6+1+1
+0.7Round 17🇷🇸 SERBIA123NT♠3=+1
+0.5Round 2🇩🇪 GERMANY183NT♥3+1+10
+0.5Round 8🇸🇬 SINGAPORE274♥♥7+1+0
+0.5Round 18🇮🇳 INDIA221NT♦2=+1
+0.4Round 5🇮🇱 ISRAEL13NT♥4=+0
+0.4Round 6🇹🇷 TURKIYE261NT♥T=+1
+0.4Round 8🇸🇬 SINGAPORE203NT♥5-2-8
+0.4Round 10🇧🇬 BULGARIA262♣♥7=+0
+0.4Round 12🇭🇷 CROATIA174♠♦5=+0
+0.4Round 19🇹🇼 CHINESE TAIPEI23♦♠4=+0
+0.3Round 5🇮🇱 ISRAEL42♥♥K+2-1
+0.3Round 9🇸🇮 SLOVENIA92♠♥Q+1+0
+0.3Round 9🇸🇮 SLOVENIA133NT♠8+1+1
+0.2Round 1🇨🇳 CHINA83♥♣4-1-2
+0.2Round 2🇩🇪 GERMANY284♠♦2+2-13
+0.2Round 18🇮🇳 INDIA284♠♥Q+1+0
+0.1Round 12🇭🇷 CROATIA214♠♥Q=+1
+0.1Round 13🇷🇴 ROMANIA134♠♥9+1+0
+0.1Round 14🇫🇷 FRANCE283♠♥J=+6
+0.1Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14♠♣T+1+0
+0.1Round 19🇹🇼 CHINESE TAIPEI84♥♦8=-7
+0.0Round 1🇨🇳 CHINA105♦♠Q-1+6
+0.0Round 3🇱🇻 LATVIA83NT♦J+1+0
+0.0Round 7🇺🇸 USA1143NT♥7-2+1
+0.0Round 10🇧🇬 BULGARIA192NT♦2=-1
+0.0Round 12🇭🇷 CROATIA204♥♠A+1+0
+0.0Round 13🇷🇴 ROMANIA84♠♦T+1-11
+0.0Round 14🇫🇷 FRANCE193♦♣9=-1
+0.0Round 17🇷🇸 SERBIA103NT♥7+1+0
+0.0Round 19🇹🇼 CHINESE TAIPEI44♥♣T=-1
-0.1Round 2🇩🇪 GERMANY234♠♣3+2+13
-0.1Round 9🇸🇮 SLOVENIA123NT♦2=-2
-0.1Round 10🇧🇬 BULGARIA253NT♠2+1+0
-0.3Round 1🇨🇳 CHINA61NT♠2+2-6
-0.3Round 1🇨🇳 CHINA141NT♦4+3+6
-0.3Round 12🇭🇷 CROATIA232NT♦K=+0
-0.3Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND83♠♥K-1-2
-0.3Round 19🇹🇼 CHINESE TAIPEI124♠♦T+1+0
-0.4Round 8🇸🇬 SINGAPORE174♥♥8+1+0
-0.5Round 3🇱🇻 LATVIA102♦♦6+3-10
-0.5Round 6🇹🇷 TURKIYE154♠♥A+1+0
-0.5Round 6🇹🇷 TURKIYE194♥♦3=-1
-0.5Round 18🇮🇳 INDIA173NT♦2+1-1
-0.6Round 14🇫🇷 FRANCE154♠♣A+1+0
-0.6Round 17🇷🇸 SERBIA134♥♦K+1+0
-0.7Round 1🇨🇳 CHINA14♠♥9+1+0
-0.7Round 12🇭🇷 CROATIA262♠♥6+1-10
-0.7Round 14🇫🇷 FRANCE214NT♥9=-1
-0.7Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND43♠♣K-1+5
-0.7Round 19🇹🇼 CHINESE TAIPEI14♠♦K+1+0
-0.8Round 2🇩🇪 GERMANY243NT♠3+1-1
-0.8Round 5🇮🇱 ISRAEL63NT♠5-1-5
-0.8Round 9🇸🇮 SLOVENIA84♥♠6=+1
-0.8Round 14🇫🇷 FRANCE183NT♠9+2-1
-0.9Round 12🇭🇷 CROATIA243♣♣A=+0
-0.9Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND73♣♥K-3-4
-0.9Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND93NT♦9=+2
-0.9Round 17🇷🇸 SERBIA32NT♠8+1-1
-1.1Round 2🇩🇪 GERMANY202♠♥5-1-6
-1.1Round 6🇹🇷 TURKIYE166♣♥A+1+13
-1.1Round 8🇸🇬 SINGAPORE283♥♣K=+0
-1.1Round 14🇫🇷 FRANCE263NT♠7=-1
-1.2Round 1🇨🇳 CHINA112♠♦5+1-1
-1.3Round 10🇧🇬 BULGARIA244♠♥A+2-11
-1.3Round 12🇭🇷 CROATIA184♠♣T-2+5
-1.3Round 13🇷🇴 ROMANIA45♣♦A=-2
-1.3Round 17🇷🇸 SERBIA64♠♣J+1-4
-1.3Round 18🇮🇳 INDIA264♥♠5=+0
-1.4Round 6🇹🇷 TURKIYE173NT♥A+1+0
-1.5Round 5🇮🇱 ISRAEL54♠♣6=+0
-1.6Round 6🇹🇷 TURKIYE242NT♦4-1-4
-1.6Round 6🇹🇷 TURKIYE273NT♦3+2-2
-1.6Round 7🇺🇸 USA1113♦x♠A-1+1
-1.6Round 18🇮🇳 INDIA203NT♥3=+2
-1.7Round 3🇱🇻 LATVIA92♥♣5+1+0
-1.8Round 5🇮🇱 ISRAEL123♠♥9-2-7
-1.9Round 10🇧🇬 BULGARIA204♥♣A-1-9
-2.1Round 10🇧🇬 BULGARIA152♥♦8+1+0
-2.2Round 8🇸🇬 SINGAPORE232♥♠6=-6
-2.2Round 19🇹🇼 CHINESE TAIPEI92♥♣J=-6
-2.3Round 1🇨🇳 CHINA71NT♥6-1+0
-2.4Round 14🇫🇷 FRANCE244♣♥J-2-5
-2.5Round 7🇺🇸 USA162NT♥4=+9
-2.5Round 9🇸🇮 SLOVENIA64♠♥K=+1
-2.7Round 3🇱🇻 LATVIA14♦♥4-1-2
-2.7Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND134♥♠7+2-1
-3.1Round 5🇮🇱 ISRAEL32NT♠K=+0
-3.1Round 5🇮🇱 ISRAEL113NT♣6+1+0
-3.1Round 18🇮🇳 INDIA244♥♣6-1-10
-3.2Round 17🇷🇸 SERBIA116♣♦A-2-6
-3.3Round 3🇱🇻 LATVIA142♠x♦A-3-5
-3.3Round 13🇷🇴 ROMANIA96NT♣6+1-11
-3.4Round 1🇨🇳 CHINA123♠♥T+1-10
-3.4Round 19🇹🇼 CHINESE TAIPEI143♠♣K=-1
-3.5Round 8🇸🇬 SINGAPORE162♠♦5+1-1
-3.5Round 13🇷🇴 ROMANIA63NT♣5-1-5
-3.5Round 19🇹🇼 CHINESE TAIPEI53NT♠T-1-6
-3.6Round 13🇷🇴 ROMANIA73♦♠6-2-2
-3.7Round 13🇷🇴 ROMANIA143♥♠7-1-4
-3.8Round 9🇸🇮 SLOVENIA53NT♥Q-1-13
-3.8Round 12🇭🇷 CROATIA166NT♥2+1-11
-3.9Round 5🇮🇱 ISRAEL71NT♦A-2-2
-3.9Round 14🇫🇷 FRANCE205♥♠2=+0
-4.2Round 7🇺🇸 USA192♠♥J+1-1
-4.2Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND113NT♥3=+11
-4.3Round 15🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND34♠♦K+2-1
-4.4Round 12🇭🇷 CROATIA224♥♠8-2-11
-4.7Round 3🇱🇻 LATVIA136♦♥T-1-17
-4.7Round 7🇺🇸 USA1102♥♦K-2-3
-4.9Round 5🇮🇱 ISRAEL83♣♥8-4-7
-4.9Round 8🇸🇬 SINGAPORE243NT♥2-1-10
-4.9Round 13🇷🇴 ROMANIA123NT♦K-4-11
-4.9Round 19🇹🇼 CHINESE TAIPEI75♦x♥K-1-8
-5.0Round 7🇺🇸 USA174♠♠2-1-12
-5.1Round 2🇩🇪 GERMANY213NT♥Q-3-9
-5.3Round 14🇫🇷 FRANCE235♦♣7=-13
-5.5Round 5🇮🇱 ISRAEL94♥♥A-1-6
-5.6Round 18🇮🇳 INDIA213NT♦K-1-12
-6.2Round 18🇮🇳 INDIA274♠♦A=-8
-6.3Round 2🇩🇪 GERMANY264♥♦A+1-4
-6.4Round 7🇺🇸 USA1131NT♦7+3-10
-6.4Round 10🇧🇬 BULGARIA184♥♣2-3-10
-6.8Round 19🇹🇼 CHINESE TAIPEI113♣x♣7-2-4
-6.9Round 8🇸🇬 SINGAPORE183♦♥K=-9
-7.5Round 5🇮🇱 ISRAEL144♥♣A-1-10
-7.9Round 10🇧🇬 BULGARIA276♣♥A=+0
-8.4Round 1🇨🇳 CHINA53NT♠6-1-12
-8.4Round 17🇷🇸 SERBIA146♥♦A+1-11
-8.7Round 7🇺🇸 USA1122♣♥K-3-10
-9.0Round 10🇧🇬 BULGARIA164♥♥4=-13
-9.2Round 17🇷🇸 SERBIA83NT♥T-2-9
-10.5Round 12🇭🇷 CROATIA153NT♦Q-6-10
-10.6Round 8🇸🇬 SINGAPORE197♣♠2-1-17
-10.7Round 9🇸🇮 SLOVENIA103NT♥Q-2-13
-11.3Round 19🇹🇼 CHINESE TAIPEI32♠x♣K-4-12
-12.9Round 5🇮🇱 ISRAEL22♥x♣A-3-12