SOBCZAK Mateusz · POLAND UNIVERSITY

63rank
+54.4Butler · 100 bds
+0.54per board
±4.5swing
+0.27vs par /bd · #175/535
+0.55adjusted /bd
Butler per round: 8.3 19.1 1.7 -1.1 36 -9.2 -9.5 1.1 -0.8 8.8by round

vs par split: bidding -0.52 · play +0.79

Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.55/bd

Card play — on target: opening leads 78.3% #249 of 534 · declarer play 77.3% #147 of 534 · defence 86.3% #241 of 535

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (7)81.2% (16)
Declarer play57.1% (7)86.7% (15)
Defence100.0% (14)81.1% (37)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 80.0% (5) · ♦ 77.8% (9) · ♣ 100.0% (2)

vs par by strain: NT +2.00 (26) · a suit -0.34 (74)

vs par by level: part-score -0.10 (40) · game +0.90 (51) · slam -1.67 (9)

By role: declaring +1.06/bd (-0.78 vs par · 49) · defending +0.05/bd (+1.27 vs par · 51)

By vulnerability: vulnerable +0.81/bd (+0.00 vs par · 51) · not vulnerable +0.27/bd (+0.55 vs par · 49)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1P.MarcinowskiP.Fredin – J.McallisterOpen10+8.3+0.83+1.20
Round 2P.MarcinowskiA.Deluca – S.EmersonOpen10+19.1+1.91-0.50
Round 4P.MarcinowskiA.Etlin – D.BrunelOpen10+1.7+0.17-0.80
Round 5P.MarcinowskiS.Chokshi – K.AnklesariaOpen10-1.1-0.11-1.00
Round 7P.MarcinowskiC.Ginsberg – B.TravisClosed10+36.0+3.60+3.80
Round 8P.MarcinowskiS.Magnusson – D.NikolenkovOpen10-9.2-0.92+0.10
Round 9P.MarcinowskiC.Grosset – S.SkorchevOpen10-9.5-0.95-1.40
Round 11P.MarcinowskiJ.Chen – X.HouClosed10+1.1+0.11+2.40
Round 12P.MarcinowskiD.Fischer – B.SaurerOpen10-0.8-0.08+0.00
Round 13P.MarcinowskiR.Von Seida – R.LindemanOpen10+8.8+0.88-1.10

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
+12.4Round 13TOSCA101NTx♠3-3+12
+12.3Round 5FORMIDABLES202♠x♣J=+15
+11.8Round 7AUSTRALIAN WOMEN14♠x♠A=+12
+11.2Round 1MCALLISTER94♥x♠A=+14
+10.7Round 2TEAM DOWNUNDER123NTx♠4+2+10
+9.8Round 13TOSCA64♠♣J=+7
+8.5Round 2TEAM DOWNUNDER164♥♥10-1+5
+8.5Round 11PD TIMES205♦♣4=+10
+8.4Round 7AUSTRALIAN WOMEN33NTx♥6-2+12
+8.1Round 7AUSTRALIAN WOMEN74♥♠9=+0
+7.2Round 11PD TIMES192♦♥5+1+11
+5.6Round 13TOSCA74♥♠9-1+12
+5.5Round 7AUSTRALIAN WOMEN43NT♦8-1+12
+4.8Round 8SWISSHUN114♥♦K=+0
+4.4Round 4PARIS AZ13♥♠A-3+6
+4.1Round 1MCALLISTER74♠♥3-2+2
+4.1Round 7AUSTRALIAN WOMEN102♥♠A-2+2
+3.8Round 11PD TIMES181NT♦6-1+5
+3.7Round 5FORMIDABLES143NT♠3-3+6
+3.2Round 8SWISSHUN124♠♣10-3+6
+2.8Round 7AUSTRALIAN WOMEN52♠♥K=+0
+2.8Round 8SWISSHUN184♥♣K+1+0
+2.7Round 2TEAM DOWNUNDER193NT♥7+2+0
+2.6Round 12KASIMIR213♠♥3-1+8
+2.5Round 2TEAM DOWNUNDER144♠♥9-3+2
+2.2Round 1MCALLISTER53NT♠4+2+2
+2.1Round 2TEAM DOWNUNDER202♠♣4-1-1
+2.0Round 2TEAM DOWNUNDER136♦♣4=+0
+1.7Round 4PARIS AZ33♠♠J=+0
+1.6Round 4PARIS AZ84♥♠J=-1
+1.3Round 4PARIS AZ101NT♦K+2+1
+1.3Round 13TOSCA44♠♦2+1+0
+1.2Round 5FORMIDABLES114♥♣4+1+1
+1.2Round 12KASIMIR274♠♣Q-1+5
+0.9Round 12KASIMIR233NT♥5+2+0
+0.8Round 4PARIS AZ21NT♦7-2-1
+0.8Round 13TOSCA25♦♠Q+1-10
+0.7Round 5FORMIDABLES123♠♣J=+0
+0.7Round 12KASIMIR224♠♣A=-1
+0.6Round 4PARIS AZ74♥♣Q+2-13
+0.5Round 2TEAM DOWNUNDER115♦♥K-1+4
+0.5Round 9BLUE NOTE272♠♦8+2+1
+0.5Round 12KASIMIR282♠♦4+1+0
+0.4Round 2TEAM DOWNUNDER185♣x♦5-3-12
+0.4Round 7AUSTRALIAN WOMEN21NT♠J=-1
+0.4Round 8SWISSHUN132♠♣A-1+1
+0.4Round 12KASIMIR241NT♦2+1-7
+0.2Round 1MCALLISTER24♥♠3+1-8
+0.0Round 13TOSCA83NT♣3-2+0
-0.1Round 7AUSTRALIAN WOMEN83♣♠3=-1
-0.1Round 9BLUE NOTE224♥♥3+1+0
-0.2Round 4PARIS AZ93NT♥5+1+1
-0.2Round 12KASIMIR263NT♥Q+1+0
-0.2Round 13TOSCA36♥♠4+1-11
-0.4Round 8SWISSHUN156♦♠5=+12
-0.4Round 9BLUE NOTE253NT♠6+2+13
-0.4Round 9BLUE NOTE284♥♠A=+0
-0.5Round 12KASIMIR294♥♠K+1+0
-0.6Round 8SWISSHUN163♥♠8-3+10
-0.6Round 9BLUE NOTE212♦♠7+2-10
-0.7Round 1MCALLISTER33NT♥3+1+0
-0.7Round 9BLUE NOTE302♥♣5=+0
-0.9Round 5FORMIDABLES164♠♣A-1-5
-0.9Round 9BLUE NOTE263NT♥Q-1-6
-1.1Round 11PD TIMES112♠♥10=+0
-1.1Round 11PD TIMES173♠♠5-1+2
-1.2Round 1MCALLISTER106♥x♠A-1+0
-1.2Round 7AUSTRALIAN WOMEN62♦♥4+2+0
-1.3Round 9BLUE NOTE232♠♠2+1-1
-1.5Round 8SWISSHUN193♦♥Q=+1
-1.6Round 4PARIS AZ53♠♣5=+0
-1.7Round 1MCALLISTER83NT♦3=+0
-1.7Round 9BLUE NOTE243♣♠J-2-5
-1.9Round 1MCALLISTER46♣x♦3-2+0
-1.9Round 1MCALLISTER63NT♦7=+2
-1.9Round 5FORMIDABLES133♦♥K=-1
-1.9Round 11PD TIMES124♥♣Q+1+0
-2.0Round 1MCALLISTER11♣♦4+1+0
-2.0Round 2TEAM DOWNUNDER171NT♥8-2+0
-2.0Round 11PD TIMES133NT♠5+1-1
-2.1Round 5FORMIDABLES182NT♣2-1-5
-2.2Round 4PARIS AZ64♠x♥5-2+0
-2.2Round 5FORMIDABLES192♠♣3+1-1
-2.5Round 8SWISSHUN144♠♣2-3-2
-2.6Round 11PD TIMES151NT♠9-2-3
-2.6Round 12KASIMIR303NT♦4+1+0
-3.4Round 13TOSCA94♥♠A-1+2
-3.5Round 8SWISSHUN175♣♦K-1-10
-3.8Round 7AUSTRALIAN WOMEN97♣♦6=+2
-3.8Round 11PD TIMES146♠♥3=+11
-3.8Round 12KASIMIR252♠♦J-1-5
-3.9Round 9BLUE NOTE293♠♦K=-6
-4.7Round 4PARIS AZ44♥♣7+2-1
-5.4Round 5FORMIDABLES172♥♠2+2-10
-5.9Round 11PD TIMES165♥♠A=-11
-6.3Round 13TOSCA12♥x♠3=-11
-6.5Round 5FORMIDABLES152♣♣2+2-10
-8.3Round 2TEAM DOWNUNDER154♠x♣J-2-13
-11.2Round 13TOSCA56♦♥5-2-12
-11.9Round 8SWISSHUN206♣♥A-1-17