PIECZKA Marek · SILESIA GLIWICE

651rank
-44.9Butler · 56 bds
-0.80per board
±3.8swing
-0.02vs par /bd · #366/675
-0.36adjusted /bd
Butler per round: -39.1 -15.6 -13.2 23by round

vs par split: bidding +0.25 · play -0.27

Strength of schedule: opponents averaged +0.44/bd (a tough draw) → opponent-adjusted -0.36/bd

Card play — on target: opening leads 73.7% #396 of 675 · declarer play 66.7% #560 of 675 · defence 87.9% #253 of 675

Bidding activity — not a pass: 36.4% #636 of 675 (60/165)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (12)85.7% (7)
Declarer play100.0% (3)50.0% (6)
Defence87.5% (16)88.2% (17)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 25.0% (4) · ♦ 66.7% (3) · ♣ 100.0% (7)

vs par by strain: NT +2.00 (22) · a suit -1.32 (34)

vs par by level: part-score +1.19 (16) · game -1.16 (38) · slam +12.00 (2)

By role: declaring +0.03/bd (-1.78 vs par · 23) · defending -1.38/bd (+1.21 vs par · 33)

By vulnerability: vulnerable -1.11/bd (+1.00 vs par · 28) · not vulnerable -0.50/bd (-1.04 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1R.GrzelakC.Willenken – M.SchaltzClosed14-39.1-2.79-2.21
Round 2R.GrzelakJ.Li – Y.ZhangClosed14-15.6-1.11+1.79
Round 5R.GrzelakD.Von Arnim – P.GruenkeClosed14-13.2-0.94+0.43
Round 6R.GrzelakT.Czajer – A.CzechClosed14+23.0+1.64-0.07

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 6MESCO 2 BYTOM244♣♦A-2+11
+6.1Round 6MESCO 2 BYTOM175♦♠A=+3
+4.7Round 6MESCO 2 BYTOM164♥♠2+1-4
+4.1Round 5DANGERS AND A HAZARD63NT♥5+4+2
+3.9Round 1ROSENTHAL53NT♠2-1+5
+3.6Round 5DANGERS AND A HAZARD54♥♣Q-2+0
+3.5Round 6MESCO 2 BYTOM281NT♠Q=+5
+3.4Round 2PIONEERS181NT♠2-1+5
+3.3Round 6MESCO 2 BYTOM184♥♣3+1-11
+3.1Round 2PIONEERS262♠♥A+1+12
+2.6Round 2PIONEERS226♣♣3+1+11
+2.6Round 5DANGERS AND A HAZARD113NT♥6+1+1
+2.6Round 6MESCO 2 BYTOM203♥♣2+1-10
+2.1Round 1ROSENTHAL84♠♥3-1+5
+1.9Round 6MESCO 2 BYTOM273NT♥6+1+10
+1.8Round 1ROSENTHAL13NT♠4-2+5
+1.6Round 2PIONEERS242♣♥J=+0
+1.6Round 6MESCO 2 BYTOM252NT♥3-1+5
+1.6Round 6MESCO 2 BYTOM263♣♣J=+9
+1.5Round 5DANGERS AND A HAZARD73NT♥5+3+13
+1.4Round 5DANGERS AND A HAZARD14♠♠6=+0
+0.7Round 5DANGERS AND A HAZARD101NT♥T=+5
+0.2Round 5DANGERS AND A HAZARD142♦x♠K-2-3
-0.1Round 1ROSENTHAL102♥♠A+2-10
-0.2Round 5DANGERS AND A HAZARD132♠♦8+1+0
-0.3Round 2PIONEERS161NT♦8=-5
-0.4Round 5DANGERS AND A HAZARD34♥♦Q=-1
-0.5Round 2PIONEERS283NT♣J=-1
-0.7Round 2PIONEERS153NT♣4+1+0
-0.7Round 6MESCO 2 BYTOM193NT♠8+2-1
-0.7Round 6MESCO 2 BYTOM223NT♥6+2+0
-1.2Round 6MESCO 2 BYTOM235♦♦7=-2
-1.4Round 2PIONEERS273♠♥6=+0
-1.8Round 2PIONEERS254♠x♣6-2-2
-1.9Round 1ROSENTHAL124♥♣2=+0
-2.0Round 1ROSENTHAL114♠♥J+1+0
-2.1Round 1ROSENTHAL24♠♣2-2-11
-2.1Round 1ROSENTHAL46♠♥3+1+13
-2.4Round 1ROSENTHAL143♦♥K-2+0
-2.5Round 2PIONEERS233NT♥6+2+10
-3.7Round 2PIONEERS195♣♦A=+0
-3.7Round 2PIONEERS213NT♣3-1-5
-3.8Round 2PIONEERS173NT♠T+1+0
-3.8Round 6MESCO 2 BYTOM213♠♦J-1-5
-4.4Round 6MESCO 2 BYTOM154♠♣2=-11
-4.5Round 5DANGERS AND A HAZARD84♥♠Q-1-5
-4.7Round 5DANGERS AND A HAZARD23NT♣Q+1-1
-5.0Round 5DANGERS AND A HAZARD94♠x♦K-1-6
-5.7Round 1ROSENTHAL133NT♣4+1-10
-5.8Round 1ROSENTHAL34♥♦T=-10
-6.1Round 5DANGERS AND A HAZARD43NT♦6=+1
-6.4Round 5DANGERS AND A HAZARD123NT♦6=+0
-6.6Round 1ROSENTHAL64♠♥J=-11
-7.9Round 2PIONEERS204♥♣4+1+0
-8.8Round 1ROSENTHAL74♠♥3=+0
-9.4Round 1ROSENTHAL94♠x♠4-4-7