TWARDOWSKI Andrzej · PKB POZNAN

46rank
+25.6Butler · 126 bds
+0.20per board
±3.5swing
-0.29vs par /bd · #82/120
+0.23adjusted /bd
Butler per round: 25.2 -6 -1 -10.7 -8.4 3.3 21.1 -0.5 2.6by round

vs par split: bidding -0.78 · play +0.51

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.23/bd

Card play — on target: opening leads 82.4% #73 of 120 · declarer play 75.0% #60 of 120 · defence 82.8% #85 of 120

Bidding activity — not a pass: 44.2% #41 of 120 (160/362)

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)86.2% (29)
Declarer play90.0% (10)68.2% (22)
Defence92.3% (13)80.4% (51)

Opening leads by suit led: ♠ 77.8% (9) · ♥ 81.8% (11) · ♦ 100.0% (5) · ♣ 77.8% (9)

vs par by strain: NT -1.56 (27) · a suit +0.09 (98)

vs par by level: part-score +0.86 (52) · game -0.73 (63) · slam -3.20 (10)

By role: declaring +0.65/bd (-2.31 vs par · 61) · defending -0.20/bd (+1.69 vs par · 64)

By vulnerability: vulnerable +0.47/bd (-0.25 vs par · 63) · not vulnerable -0.06/bd (-0.32 vs par · 63)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1R.PalaszJ.Glenz – P.BieleckiOpen14+25.2+1.80-0.86
Round 3R.PalaszA.Bapat – R.GoenkaClosed14-6.0-0.43-0.21
Round 4R.PalaszG.Cohler – N.SilvermanClosed14-1.0-0.07-1.36
Round 5R.PalaszP.Gawrys – P.BizonClosed14-10.7-0.76-0.07
Round 7R.PalaszN.Grinberg – A.KalishClosed14-8.4-0.60-0.57
Round 8R.PalaszA.Sontag – B.LevinOpen14+3.3+0.24+0.14
Round 10R.PalaszP.Zubiel – M.SzalewiczClosed14+21.1+1.51+2.93
Round 11R.PalaszA.Shah – H.JalanOpen14-0.5-0.04+0.50
Round 12R.PalaszI.Grynczewski – D.ZembrzuskiClosed14+2.6+0.19-3.07

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
+8.5Round 10PKB THERM166♥♣Q=+13
+8.1Round 8SIMSON233NT♣Q=+3
+7.9Round 10PKB THERM274♠x♥5-3+8
+7.7Round 11TEXAN ACES34♥♠K-2+7
+7.6Round 1RSB RACIBORZ84♥♣A=+8
+7.3Round 10PKB THERM282♥♣Q-3+6
+6.9Round 1RSB RACIBORZ51♥x♠A+1+6
+5.6Round 3OMEGA102NT♦K-1+6
+5.3Round 5POLAND75♣x♥A-1+14
+5.2Round 4WOLFSON224♥♦Q-1+10
+5.0Round 12MISFIT194♠♠2-2+6
+4.8Round 1RSB RACIBORZ24♠♥A+1-4
+4.8Round 11TEXAN ACES103♥x♠K-1+2
+4.6Round 1RSB RACIBORZ94♠♥A=+0
+4.6Round 12MISFIT222♥♦A+2+6
+4.5Round 12MISFIT176♣♥A+1-11
+4.3Round 4WOLFSON263♣x♣3-1-7
+4.3Round 8SIMSON243NT♣6-1+5
+4.3Round 10PKB THERM173NT♦Q+3+11
+4.0Round 1RSB RACIBORZ44♥♣Q-2+2
+3.8Round 4WOLFSON196♣♠5+1-13
+3.7Round 5POLAND35♣♣5+2-13
+3.6Round 12MISFIT272♠♣A=+6
+3.3Round 10PKB THERM202♠♥3+1+7
+3.3Round 11TEXAN ACES112NT♦6=+6
+3.2Round 8SIMSON154♠♠3+3+10
+3.0Round 1RSB RACIBORZ124♥♣A+1+0
+3.0Round 5POLAND121NT♠8=+5
+3.0Round 7KALISH44♠♥8+1+11
+2.8Round 8SIMSON284♠x♥Q-2-7
+2.7Round 7KALISH124♠♥5-1-3
+2.4Round 4WOLFSON154♠♣J=-1
+2.4Round 10PKB THERM244♥♣Q+1+0
+2.2Round 4WOLFSON242NT♠J-1-1
+2.0Round 7KALISH35♦♥4-1+5
+1.9Round 1RSB RACIBORZ136♦♣A=-13
+1.9Round 11TEXAN ACES131NT♦Q+2+2
+1.8Round 8SIMSON262♥♠K-1+0
+1.5Round 10PKB THERM252♣♥J=+1
+1.3Round 1RSB RACIBORZ64♥♣K=+0
+1.3Round 7KALISH84♥♦8+1+1
+1.1Round 8SIMSON164♠♥9=+0
+1.1Round 10PKB THERM182♠♦T+1+1
+1.1Round 12MISFIT213♦♣K+1+0
+1.0Round 3OMEGA136♥♠2+1+13
+1.0Round 12MISFIT153♦♠J+1+0
+0.9Round 3OMEGA144♠♣Q=-1
+0.9Round 8SIMSON224♠♥K+2-11
+0.9Round 10PKB THERM224♠♣9=+1
+0.8Round 11TEXAN ACES65♣x♠A-1+0
+0.7Round 3OMEGA14♥♠A-1-2
+0.7Round 7KALISH21NT♣5+3+2
+0.6Round 3OMEGA43NT♥J+2-17
+0.5Round 12MISFIT251NT♠3-1-2
+0.5Round 12MISFIT284♥♠6=+0
+0.3Round 3OMEGA62♠♣9-1+7
+0.2Round 1RSB RACIBORZ34♠♥3=+0
+0.2Round 3OMEGA114♥♣K+1+0
+0.2Round 11TEXAN ACES73NT♣9+1+1
+0.1Round 7KALISH93NT♥7+3-13
+0.1Round 7KALISH136♥♦3+1-13
+0.0Round 3OMEGA73NT♣J+1+0
-0.0Round 5POLAND114♠♥Q=+0
-0.0Round 5POLAND142♠♣4-2+0
+0.0Round 11TEXAN ACES13♠♠7+1-1
-0.3Round 1RSB RACIBORZ105♥♣6=+0
-0.3Round 11TEXAN ACES93♥♦Q+2+7
-0.3Round 12MISFIT182♥♠A-1-1
-0.3Round 12MISFIT262♦♥7+1+1
-0.4Round 3OMEGA22♥♦Q-1+5
-0.4Round 4WOLFSON202♠♦A=-1
-0.5Round 7KALISH64♥♦A=+0
-0.6Round 1RSB RACIBORZ14♥♠7+2-11
-0.6Round 8SIMSON183♠♥5+2+6
-0.7Round 5POLAND1Pass-3
-0.7Round 5POLAND23NT♠2+1-1
-0.7Round 5POLAND91NT♥Q+2+6
-0.7Round 7KALISH13♥♠2=+7
-0.7Round 7KALISH112NT♥5=-7
-0.7Round 8SIMSON253NT♥2+2+0
-0.8Round 4WOLFSON212♠♣5+1+0
-0.8Round 12MISFIT233NT♠Q+1-13
-0.9Round 4WOLFSON273♠♣A+1+6
-0.9Round 8SIMSON212♠♣T+1+0
-1.0Round 3OMEGA54♥♣T=-1
-1.2Round 1RSB RACIBORZ73♥x♠A-1+0
-1.3Round 4WOLFSON161NT♠2-1+0
-1.3Round 5POLAND53♣♣7-1+2
-1.3Round 11TEXAN ACES22♠♠7=+0
-1.4Round 5POLAND101NT♣Q+2-10
-1.4Round 10PKB THERM234♥♣6-1-1
-1.5Round 1RSB RACIBORZ143NT♠2+1+1
-1.7Round 5POLAND65♦♠A=+0
-1.7Round 7KALISH103NT♥6+1+1
-1.9Round 3OMEGA94♠♥K-2-8
-1.9Round 10PKB THERM192♥♦A=+1
-1.9Round 11TEXAN ACES122♠♣9=-5
-2.1Round 4WOLFSON283♠♥6=-1
-2.3Round 4WOLFSON234♠♠T-1-6
-2.3Round 4WOLFSON253♦♥2+1+0
-2.7Round 11TEXAN ACES43♠♠K=-1
-2.9Round 4WOLFSON174♥♠9+1-1
-2.9Round 8SIMSON272♠♠2-1-4
-3.0Round 10PKB THERM152♥♦K-2+0
-3.1Round 8SIMSON203♣♠4-1+1
-3.2Round 3OMEGA124♥♠7=+0
-3.2Round 5POLAND134♠♥A+1+13
-3.5Round 7KALISH52♦♥A=-5
-3.7Round 3OMEGA34♥♣2-1-5
-3.7Round 10PKB THERM212♠♥7+2-7
-3.7Round 11TEXAN ACES52♠♣3-2-2
-3.8Round 8SIMSON176♥♣3+1-1
-4.3Round 7KALISH143♠♥9=-1
-4.3Round 11TEXAN ACES83♥♦Q+1-4
-4.9Round 12MISFIT244♠♣8+2-11
-5.0Round 11TEXAN ACES145♣♠A-2-5
-5.1Round 3OMEGA83NT♥J+1+0
-5.5Round 1RSB RACIBORZ113NT♠3+1-1
-5.5Round 12MISFIT163NT♥K+3-12
-5.9Round 4WOLFSON184♠♣A+1-4
-6.0Round 5POLAND86NT♥6-1-14
-6.1Round 10PKB THERM266♥♠J=+0
-6.4Round 12MISFIT204♠♣9-1-12
-6.9Round 7KALISH76♦♠A+1+7
-6.9Round 8SIMSON194♠♥A=+0
-7.0Round 5POLAND44♥♣6=+0