BYRNE Michael · KNOTTENBELT

210rank
-88.1Butler · 112 bds
-0.79per board
±4.3swing
-0.73vs par /bd · #173/196
-0.60adjusted /bd
Butler per round: -18.9 -1.9 -20.6 13.4 -0.2 -34.7 -23 -2.2by round

vs par split: bidding -0.74 · play +0.01

Strength of schedule: opponents averaged +0.19/bd (a tough draw) → opponent-adjusted -0.60/bd

Card play — on target: opening leads 83.9% #63 of 196 · declarer play 84.0% #50 of 196 · defence 84.5% #109 of 196

Bidding activity — not a pass: 47.3% #53 of 196 (150/317)

Card play by contract type — on target
vs NTvs a suit
Opening leads55.6% (9)95.5% (22)
Declarer play80.0% (10)86.7% (15)
Defence85.7% (14)84.1% (44)

Opening leads by suit led: ♠ 100.0% (7) · ♥ 100.0% (4) · ♦ 77.8% (9) · ♣ 72.7% (11)

vs par by strain: NT -3.37 (30) · a suit +0.23 (82)

vs par by level: part-score -0.57 (40) · game -0.98 (61) · slam +0.09 (11)

By role: declaring -1.04/bd (-3.02 vs par · 54) · defending -0.55/bd (+1.40 vs par · 58)

By vulnerability: vulnerable -0.59/bd (-0.14 vs par · 56) · not vulnerable -0.98/bd (-1.32 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.KnottenbeltJ.Wolfson – S.GarnerOpen14-18.9-1.35-0.57
Round 2M.KnottenbeltA.Di Lorenzo – F.IavicoliClosed14-1.9-0.14+0.86
Round 3M.KnottenbeltM.Krasnosselski – M.FeofanovOpen14-20.6-1.47+0.07
Round 4M.KnottenbeltL.Hu – C.ZhaoOpen14+13.4+0.96+1.57
Round 5M.KnottenbeltS.Maskara – D.FilipowiczOpen14-0.2-0.01-1.79
Round 6M.KnottenbeltM.Rosenberg – D.RosenbergClosed14-34.7-2.48-3.57
Round 7M.KnottenbeltN.Kvangraven – G.BrekkaOpen14-23.0-1.64-1.00
Round 8M.KnottenbeltY.Zack – E.GinossarOpen14-2.2-0.16-1.43

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
+10.7Round 7SCHONFELD FINESSE63♥x♣J-3+9
+9.5Round 4ZHAO256♠♥T=+0
+9.5Round 8ALTSHULER254♥x♣A-3+12
+9.3Round 4ZHAO203NT♣7+1+11
+8.5Round 3JUSTJUMP94♠x♥7-3+9
+7.7Round 5MAVERICKS54♥♠K-2+13
+6.3Round 5MAVERICKS93NT♠J=-1
+6.1Round 2ULI256♥♠A=+12
+5.2Round 2ULI196NT♣6-1+11
+4.6Round 4ZHAO211NT♠2-3-3
+4.3Round 7SCHONFELD FINESSE102♠♦7=+5
+4.2Round 8ALTSHULER156♥♥4=+0
+4.0Round 5MAVERICKS72NT♠K=+0
+3.5Round 6ROSENBERG284♠♥8-1+12
+3.5Round 7SCHONFELD FINESSE14♠♥Q-2+5
+3.3Round 8ALTSHULER243♦♠A-1+4
+3.2Round 2ULI215♣♦A-1+6
+3.0Round 3JUSTJUMP54♥♠K=+0
+2.9Round 2ULI234♥♦A-2+2
+2.6Round 2ULI285♣♠A=+5
+2.6Round 8ALTSHULER217♥♥T=+0
+2.5Round 4ZHAO164♦♥6=+1
+2.2Round 1WOLFSON123♦♣A+1+0
+2.1Round 8ALTSHULER264♥♣7=+0
+1.4Round 1WOLFSON23♣♦J=+6
+1.3Round 5MAVERICKS145♣♦K-1+4
+1.3Round 7SCHONFELD FINESSE114♠♦K-1+4
+1.2Round 2ULI165♠x♦9-1+6
+1.2Round 6ROSENBERG213♦♥8-2-5
+1.2Round 8ALTSHULER185♣♣2+1+13
+1.1Round 4ZHAO152♠♥T-1+5
+1.1Round 6ROSENBERG233NT♦3=+0
+0.9Round 1WOLFSON44♠♥K=+0
+0.9Round 4ZHAO283♠♥7=+0
+0.8Round 3JUSTJUMP83♥♣A-1+2
+0.8Round 6ROSENBERG274♦♥A=+0
+0.7Round 8ALTSHULER222NT♠2=+0
+0.5Round 5MAVERICKS83♣x♠K-2-3
+0.5Round 7SCHONFELD FINESSE124♠♦T+1+1
+0.5Round 8ALTSHULER201NT♣8=-1
+0.4Round 3JUSTJUMP144♠♣6+1+0
+0.3Round 5MAVERICKS33NT♣5=+1
+0.3Round 7SCHONFELD FINESSE144♠♦K+2+11
+0.2Round 1WOLFSON91NT♦2+1+0
+0.2Round 3JUSTJUMP42♣♦6=+1
+0.2Round 6ROSENBERG173NT♦7+1-1
+0.1Round 5MAVERICKS13♠♥A-1-2
-0.0Round 4ZHAO265♥♠K-1+7
+0.0Round 8ALTSHULER232♥♦J+1+0
-0.3Round 2ULI244♠♥A+1+0
-0.3Round 3JUSTJUMP133NT♦8=+1
-0.3Round 4ZHAO236♠♥7=+0
-0.5Round 1WOLFSON114♣♦A-1-2
-0.5Round 7SCHONFELD FINESSE74♥♠3=+0
-0.5Round 8ALTSHULER163NT♦4+1+0
-0.6Round 1WOLFSON34♥♣6=+0
-0.6Round 1WOLFSON63♠♣A-1+4
-0.8Round 1WOLFSON12♠♠2-1-4
-0.9Round 4ZHAO244♥♦J+1+0
-1.1Round 8ALTSHULER274♠♦6+1-11
-1.2Round 6ROSENBERG191NT♦A=+2
-1.2Round 7SCHONFELD FINESSE94♠♣6=+0
-1.3Round 2ULI183NT♥4+1-10
-1.3Round 5MAVERICKS61NT♣5+1-12
-1.4Round 5MAVERICKS24♠♣K-1+5
-1.6Round 4ZHAO173♣♦2+2-2
-1.7Round 5MAVERICKS114♥♠K+1+0
-1.9Round 6ROSENBERG253♥♣4=+0
-2.0Round 2ULI223NT♥2=-7
-2.0Round 5MAVERICKS124♠♦Q+1+0
-2.1Round 3JUSTJUMP106♠♥8+1+13
-2.3Round 1WOLFSON73♦♠J=+0
-2.3Round 2ULI274♠♦7-3-6
-2.3Round 3JUSTJUMP63NT♠K+1+0
-2.3Round 4ZHAO182♠♦A=-1
-2.3Round 4ZHAO193♥♣2+2+6
-2.3Round 7SCHONFELD FINESSE34♥♠3=+0
-2.6Round 2ULI172♥♠6=-5
-2.6Round 3JUSTJUMP112♠♣6-2-5
-2.7Round 1WOLFSON132♠♥2+2+10
-2.7Round 4ZHAO276♣♦Q=+0
-2.9Round 2ULI153♦x♣A-2+8
-3.1Round 1WOLFSON103♣♠A-1-5
-3.1Round 3JUSTJUMP24♠♥6-3-7
-3.1Round 5MAVERICKS133NT♠5-1-6
-3.3Round 1WOLFSON145♥x♠2-2-4
-3.3Round 6ROSENBERG183NT♥J=+0
-3.6Round 8ALTSHULER283NT♠T-2-6
-3.7Round 3JUSTJUMP125♥♦J+2-10
-4.1Round 2ULI263NT♣3=-10
-4.1Round 6ROSENBERG163NT♠J-1-6
-4.4Round 4ZHAO223NT♦J+2-2
-4.5Round 1WOLFSON53NT♣3-3-7
-4.5Round 3JUSTJUMP14♦♣6-1-5
-4.6Round 6ROSENBERG204♦♣K+1-10
-5.0Round 5MAVERICKS44♠x♥A-2-14
-5.0Round 7SCHONFELD FINESSE45♣♠6=+0
-5.2Round 1WOLFSON83NT♣3-2-6
-5.3Round 6ROSENBERG242NT♥6-2-11
-5.9Round 5MAVERICKS101NT♦J+3-10
-5.9Round 6ROSENBERG224♥x♣J-1-8
-6.1Round 7SCHONFELD FINESSE136♥♠A-1-12
-6.2Round 6ROSENBERG264♠♥4-1-12
-6.3Round 8ALTSHULER174♠♥K+3-14
-6.9Round 3JUSTJUMP34♥♥7+1-8
-7.6Round 2ULI202♠♦A=+0
-8.0Round 3JUSTJUMP74♥♠T=+10
-8.2Round 7SCHONFELD FINESSE24♥♣K+3-14
-9.0Round 6ROSENBERG153NT♣7+2-11
-9.1Round 7SCHONFELD FINESSE56♦♠7-1-10
-11.2Round 7SCHONFELD FINESSE86♣x♥3=-13
-14.8Round 8ALTSHULER194NT♣Q-2-17