KOZAKOS George · BORDER GAVASKAR

284rank
-29.9Butler · 126 bds
-0.24per board
±3.8swing
-0.52vs par /bd · #280/345
-0.06adjusted /bd
Butler per round: 0.6 -11.1 47 -5.8 -11.7 -13 -0.9 -24.7 -10.3by round

vs par split: bidding -0.60 · play +0.07

Strength of schedule: opponents averaged +0.18/bd (a tough draw) → opponent-adjusted -0.06/bd

Card play — on target: opening leads 87.5% #36 of 345 · declarer play 71.1% #257 of 345 · defence 94.8% #5 of 345

Bidding activity — not a pass: 42.1% #217 of 345 (147/349)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)90.5% (21)
Declarer play60.0% (5)72.7% (33)
Defence85.7% (14)97.7% (44)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 90.0% (10) · ♦ 100.0% (4) · ♣ 75.0% (4)

vs par by strain: NT +1.03 (29) · a suit -0.99 (97)

vs par by level: part-score -0.82 (45) · game -0.35 (75) · slam -0.50 (6)

By role: declaring -0.29/bd (-2.31 vs par · 68) · defending -0.17/bd (+1.57 vs par · 58)

By vulnerability: vulnerable +0.27/bd (-0.78 vs par · 63) · not vulnerable -0.75/bd (-0.27 vs par · 63)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.GrosvenorD.Puerto – D.KimClosed14+0.6+0.04-0.64
Round 2H.GrosvenorR.Lian – Y.LianOpen14-11.1-0.79-0.36
Round 4H.GrosvenorC.Kuo – C.WuClosed14+47.0+3.36+0.93
Round 6H.GrosvenorT.Pan – L.ZhengClosed14-5.8-0.41+2.07
Round 7H.GrosvenorJ.Campos – A.RodriguesClosed14-11.7-0.84-1.57
Round 8H.GrosvenorA.Asulin – R.PachtmanOpen14-13.0-0.93-0.79
Round 10H.GrosvenorA.Kowalski – P.TuszynskiClosed14-0.9-0.06+1.14
Round 11H.GrosvenorT.Hoftaniska – N.Heiberg-EvenstadOpen14-24.7-1.76-4.36
Round 12H.GrosvenorJ.Svendsen – E.SaelensmindeOpen14-10.3-0.74-1.14

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
+10.3Round 1SEOUL106♦♥A-1+12
+10.1Round 4CTCBA SENIORS254♠♥A-2+14
+9.7Round 4CTCBA SENIORS153NT♣7-2+11
+9.4Round 4CTCBA SENIORS175♥x♠A-3+9
+7.8Round 7DRINTEAM84♠♥4+1+7
+6.8Round 6ANTIPODEAN PANDAS275♣x♣5-2+12
+6.1Round 7DRINTEAM133NT♥7=+0
+5.7Round 6ANTIPODEAN PANDAS233NT♥2+1+13
+5.1Round 2CHINA OPEN244♠♥8-1+14
+5.1Round 12HAUGE153NT♠6-2+6
+5.1Round 12HAUGE285♦x♠4-3+0
+5.0Round 1SEOUL74♠♣5=+0
+4.6Round 4CTCBA SENIORS263♦♦3+1+10
+4.3Round 10POLAND SENIORS153♠♦2=+0
+4.2Round 10POLAND SENIORS224♠♥A=+7
+3.7Round 8ISRAEL MIX153NT♥5=-1
+3.7Round 11ERICHSEN74♠♥A-2+2
+3.6Round 1SEOUL24♠♥3+1+4
+3.4Round 6ANTIPODEAN PANDAS202♥♠7=+0
+3.1Round 4CTCBA SENIORS224♥♠6+1+0
+2.7Round 2CHINA OPEN216♦♣5+1+11
+2.6Round 4CTCBA SENIORS274♥♠4+1+0
+2.6Round 12HAUGE262♥♠5+1+0
+2.5Round 1SEOUL54♥♥4-1-2
+2.5Round 2CHINA OPEN192♥♣5+1+0
+2.4Round 4CTCBA SENIORS204♥♣3+1-13
+2.2Round 2CHINA OPEN231NT♦A-1+6
+2.2Round 4CTCBA SENIORS244♠x♥A-3+2
+2.1Round 11ERICHSEN53♦♦5+1+0
+1.8Round 10POLAND SENIORS161NT♥Q-1+5
+1.7Round 8ISRAEL MIX182♠♥K+2+1
+1.7Round 8ISRAEL MIX252♠♣8+2+2
+1.6Round 4CTCBA SENIORS164♥♣T+2+9
+1.6Round 10POLAND SENIORS264♠♣6=+0
+1.6Round 10POLAND SENIORS283NT♥6+3+3
+1.6Round 12HAUGE225♥♦5+1-1
+1.4Round 8ISRAEL MIX204♥♣T+1+1
+1.3Round 1SEOUL141NT♥4-1-2
+1.3Round 4CTCBA SENIORS212♠♣9+2+1
+1.3Round 10POLAND SENIORS195♦x♠A-1+7
+1.2Round 7DRINTEAM25♠♥A=+4
+1.2Round 7DRINTEAM143NT♣Q=+0
+1.2Round 12HAUGE194♠♦8+1+0
+1.0Round 1SEOUL81NT♥7+2+0
+1.0Round 4CTCBA SENIORS234♠♦J+2-13
+1.0Round 6ANTIPODEAN PANDAS262♥♠9=-1
+0.9Round 1SEOUL41NT♠3+2+10
+0.9Round 7DRINTEAM93NT♦5+1+1
+0.9Round 11ERICHSEN93NT♠3+1+7
+0.8Round 10POLAND SENIORS203♣♦3+2+10
+0.7Round 8ISRAEL MIX234♥♥4+1+0
+0.6Round 11ERICHSEN13NT♥6+2-11
+0.5Round 2CHINA OPEN182♦♥6=+2
+0.5Round 8ISRAEL MIX274♠♣J-2+5
+0.5Round 10POLAND SENIORS171NT♠2=+1
+0.5Round 12HAUGE252♠♥A+1+0
+0.4Round 2CHINA OPEN175♦x♣5-1+0
+0.1Round 4CTCBA SENIORS281NT♣3+1+0
+0.1Round 7DRINTEAM42♠♥K+1+0
-0.0Round 1SEOUL112♦♦3-3+6
+0.0Round 4CTCBA SENIORS195♣♠9-2+0
-0.0Round 8ISRAEL MIX213NT♣T+3+11
+0.0Round 12HAUGE184♠♣K-2+0
-0.2Round 2CHINA OPEN224♠♠3+1+0
-0.2Round 7DRINTEAM122♥♦Q-1-2
-0.3Round 8ISRAEL MIX194♠♣K+2-11
-0.4Round 6ANTIPODEAN PANDAS184♥♥2+1+0
-0.5Round 1SEOUL121NT♣A+2-10
-0.8Round 6ANTIPODEAN PANDAS212♠♥A+1+0
-0.8Round 10POLAND SENIORS185♥♠6-1+6
-0.9Round 6ANTIPODEAN PANDAS224♠x♥K-1+1
-0.9Round 10POLAND SENIORS273NT♣3+1+0
-1.0Round 2CHINA OPEN282♠♠J-1-2
-1.0Round 12HAUGE203♥♠A-1+0
-1.1Round 4CTCBA SENIORS184♠♦A+2-17
-1.1Round 11ERICHSEN33♠♦2-1-5
-1.2Round 7DRINTEAM113NT♥7-1-5
-1.4Round 1SEOUL131NT♣9-1-5
-1.4Round 7DRINTEAM13♦♠J-2-5
-1.5Round 11ERICHSEN44♠x♠A-1-10
-1.7Round 12HAUGE234♠♣T+1+0
-1.8Round 2CHINA OPEN154♠♦Q-2-8
-1.8Round 11ERICHSEN64♦♥K-2+0
-1.8Round 11ERICHSEN143♥♦T-1-2
-1.9Round 6ANTIPODEAN PANDAS153NT♦4=+0
-1.9Round 11ERICHSEN123♥♣A-1-2
-2.0Round 6ANTIPODEAN PANDAS177♠♦J=+0
-2.1Round 6ANTIPODEAN PANDAS193NT♠5+3+12
-2.1Round 10POLAND SENIORS213♣♥K=+0
-2.5Round 1SEOUL64♥♣K=+0
-2.6Round 2CHINA OPEN204♣♥A=-12
-2.6Round 8ISRAEL MIX284♥♣7+1+0
-2.7Round 7DRINTEAM33NT♥6-3-6
-2.8Round 10POLAND SENIORS244♠♥9-2-5
-2.9Round 6ANTIPODEAN PANDAS163♣♠K=+0
-2.9Round 6ANTIPODEAN PANDAS254♠♦K-2-6
-2.9Round 10POLAND SENIORS254♠♣K-1-5
-2.9Round 12HAUGE173♥♣J=-1
-3.0Round 8ISRAEL MIX162♠♥8-1-5
-3.1Round 8ISRAEL MIX241♠♦9+2+7
-3.2Round 11ERICHSEN105♣♦A=-13
-3.3Round 12HAUGE274♠x♠J-2+4
-3.5Round 7DRINTEAM74♠♣A-1-6
-3.5Round 11ERICHSEN82♥♠9-3-6
-3.6Round 1SEOUL14♠x♥A=-10
-3.6Round 8ISRAEL MIX263NT♠3-3-9
-3.7Round 11ERICHSEN22♣x♣J-2-1
-3.8Round 6ANTIPODEAN PANDAS244♥x♠K-2+3
-4.0Round 2CHINA OPEN276♠♥3=+0
-4.0Round 8ISRAEL MIX174♥x♠6-2+0
-4.2Round 12HAUGE213NT♦6-2-7
-4.3Round 2CHINA OPEN253NT♥2+1+0
-4.7Round 2CHINA OPEN266♦♥J+1-13
-5.0Round 6ANTIPODEAN PANDAS284♠x♥4=-5
-5.2Round 12HAUGE163♦♥A+1-8
-5.3Round 7DRINTEAM64♥♥A=-10
-5.4Round 11ERICHSEN113♦x♣8-2-12
-5.9Round 2CHINA OPEN164♠♥T=-3
-6.1Round 8ISRAEL MIX225♣♠J-4-12
-7.1Round 1SEOUL94♥x♠9-2-5
-7.1Round 7DRINTEAM54♠♦T=+0
-7.5Round 10POLAND SENIORS236♦♠8-1-13
-7.6Round 7DRINTEAM103NT♣6=+0
-8.1Round 11ERICHSEN133♥♥J+1-8
-8.1Round 12HAUGE243♦x♠8-3-9
-8.9Round 1SEOUL35♣♥3=-7