GRZEJDZIAK Sabina · SIEJA

151rank
-3.9Butler · 100 bds
-0.04per board
±4.4swing
+0.07vs par /bd · #128/289
+0.12adjusted /bd
Butler per round: -12.2 -1.9 10.7 -22 20.5 -0.5 17.6 -15 0.8 -1.9by round

vs par split: bidding +0.27 · play -0.20

Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted +0.12/bd

Card play — on target: opening leads 76.0% #232 of 289 · declarer play 66.7% #247 of 289 · defence 85.7% #157 of 289

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (8)64.7% (17)
Declarer play60.0% (5)69.2% (13)
Defence78.9% (19)89.2% (37)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 77.8% (9) · ♦ 85.7% (7) · ♣ 60.0% (5)

vs par by strain: NT +0.14 (35) · a suit +0.03 (65)

vs par by level: part-score +0.16 (38) · game +0.41 (53) · slam -2.33 (9)

By role: declaring +0.93/bd (-1.71 vs par · 44) · defending -0.80/bd (+1.46 vs par · 56)

By vulnerability: vulnerable -0.82/bd (-0.40 vs par · 52) · not vulnerable +0.81/bd (+0.58 vs par · 48)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1I.GrzejdziakN.Senior – M.BellOpen10-12.2-1.22-2.60
Round 2I.GrzejdziakP.Crouch – N.SmithOpen10-1.9-0.19-0.20
Round 3I.GrzejdziakA.Yamada – K.OhnoOpen10+10.7+1.07+1.60
Round 4I.GrzejdziakZ.Grossack – G.BottaClosed10-22.0-2.20-1.10
Round 5I.GrzejdziakR.De Koster – E.PoppeClosed10+20.5+2.05+2.80
Round 6I.GrzejdziakP.Gill – E.SylvesterClosed10-0.5-0.05-2.10
Round 7I.GrzejdziakL.Chemaly – N.BatemanOpen10+17.6+1.76+1.50
Round 8I.GrzejdziakA.Birman – D.BirmanOpen10-15.0-1.50-1.70
Round 9I.GrzejdziakC.Robinson – P.BardenClosed10+0.8+0.08+0.50
Round 10I.GrzejdziakH.Oh – A.MannoClosed10-1.9-0.19+2.00

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
+11.4Round 7QUAGGAS296NT♠6=+0
+10.7Round 7QUAGGAS224♥♦10-1+13
+9.9Round 5NEDGERNED94♠x♦A-1+12
+8.3Round 2ORCA73NT♣5=+0
+7.8Round 10SEOUL273NT♥9=+0
+7.5Round 6BINKIE176♠♥8=+0
+7.1Round 3OHNO174♠♦2=+0
+7.1Round 7QUAGGAS304♥♠10-1+8
+6.9Round 1KNOTTENBELT94♥♦A-1+11
+5.9Round 3OHNO123NT♦3-2+7
+5.0Round 4DINKIN291NT♦6+3+9
+5.0Round 5NEDGERNED13♠♥7-2+6
+4.3Round 5NEDGERNED72♥♠7+1+0
+3.4Round 3OHNO154♠♥A-2+5
+3.4Round 3OHNO203♠♣A+1+8
+3.3Round 10SEOUL213NT♠A-1+10
+2.7Round 5NEDGERNED84♥♣2-2+6
+2.6Round 8APA HEILI94♠♥A=+0
+2.6Round 10SEOUL263NT♣Q=+0
+2.5Round 7QUAGGAS243NT♠J=-1
+2.5Round 9AARDVARKS123♠♥J-1-2
+2.4Round 9AARDVARKS146NT♦5=+0
+2.3Round 1KNOTTENBELT13NT♠Q=-11
+2.2Round 6BINKIE204♠♦J=-1
+2.1Round 3OHNO113♠♣10-2+8
+2.1Round 5NEDGERNED34♠♠4=+0
+2.0Round 1KNOTTENBELT84♥♣A+1+0
+1.7Round 6BINKIE137NT♣8=+0
+1.5Round 4DINKIN271NTx♠3-1+8
+1.5Round 9AARDVARKS173♣♦A+1+7
+1.4Round 2ORCA24♥♠A+1+0
+1.4Round 4DINKIN242♠♦8+2-6
+1.4Round 10SEOUL303NT♥A+1+4
+1.3Round 7QUAGGAS283NT♥9-2+5
+1.2Round 8APA HEILI105♣♦A+1+13
+1.2Round 9AARDVARKS203NT♠2+2+0
+1.1Round 3OHNO191♥♣A+2+0
+1.0Round 2ORCA83NT♠5+1+0
+1.0Round 6BINKIE194♥♣J+1+0
+0.9Round 1KNOTTENBELT74♥♣3+1+0
+0.9Round 4DINKIN264♠♣4+2+1
+0.7Round 5NEDGERNED43♦♠A=-1
+0.7Round 7QUAGGAS274♥♦9=+1
+0.6Round 8APA HEILI71NT♠2=+1
+0.5Round 1KNOTTENBELT63♥♦10-1+0
+0.4Round 9AARDVARKS133NT♥9+2+0
+0.3Round 6BINKIE114♠♣Q-1-2
+0.2Round 8APA HEILI33♠♦K+1+1
+0.1Round 3OHNO131NT♠3+1+0
+0.1Round 6BINKIE163NT♦J+1+1
+0.0Round 5NEDGERNED64♥♣K=+5
-0.2Round 1KNOTTENBELT22♠♠2-1+2
-0.2Round 2ORCA14♠♥9+1+0
-0.2Round 10SEOUL283NT♣10+3+11
-0.3Round 10SEOUL254♥♦4=+0
-0.3Round 10SEOUL291NT♠2=+0
-0.4Round 2ORCA92♠♥5+2+6
-0.4Round 6BINKIE124♠♠J+1-1
-0.4Round 9AARDVARKS152♥♣K+1-10
-0.5Round 8APA HEILI54♠♥5+1-1
-0.5Round 9AARDVARKS182♠♣9=+0
-0.6Round 5NEDGERNED25♠♣7=+0
-0.7Round 2ORCA34♠♣2+2-2
-0.7Round 2ORCA103♦♠Q-1-5
-0.7Round 3OHNO183NT♥K+1+0
-0.7Round 10SEOUL243NT♦2=+1
-0.9Round 8APA HEILI81NT♦3=-1
-0.9Round 9AARDVARKS192♥♠J+2+10
-1.0Round 4DINKIN303♣♥Q+2-4
-1.1Round 8APA HEILI61NT♣4=-5
-1.2Round 7QUAGGAS252NT♠5-1+0
-1.2Round 8APA HEILI24♠♠9-1-5
-1.5Round 5NEDGERNED53♣♥A=+0
-1.5Round 8APA HEILI14♠♦5-2-5
-1.6Round 9AARDVARKS111NT♦8=+0
-2.0Round 6BINKIE142NT♦4+1-1
-2.1Round 5NEDGERNED103NT♠9+2+0
-2.2Round 4DINKIN256♥♠A=+0
-2.3Round 7QUAGGAS262♦♣9=+1
-2.8Round 1KNOTTENBELT44♥♦A=+0
-3.1Round 2ORCA52♠♥A+2-1
-3.2Round 3OHNO142♦♦2=+0
-3.3Round 2ORCA43♥♣A=+0
-3.8Round 9AARDVARKS162♥♥2=+0
-3.9Round 6BINKIE153♦♠A=-5
-4.1Round 1KNOTTENBELT102♠♣A-1-5
-4.2Round 2ORCA62♥♠7=+0
-5.3Round 7QUAGGAS213NT♠4-1-12
-5.6Round 10SEOUL223NT♣2-2-6
-6.3Round 4DINKIN284♥♣9-1-10
-6.5Round 4DINKIN233NT♥7+1-1
-6.8Round 4DINKIN214♥♠A+1-8
-7.0Round 6BINKIE187♣♥A=-12
-7.3Round 7QUAGGAS233NT♦5=+0
-7.4Round 1KNOTTENBELT36♥♠A-1-9
-8.0Round 4DINKIN226♣♦A=+0
-8.5Round 3OHNO164♥♠A-1-12
-9.9Round 10SEOUL237♥♥J=+0
-10.3Round 1KNOTTENBELT53NT♥8+2-14
-14.4Round 8APA HEILI43♠x♥9+1-15