KOWALSKI Dariusz · FAJERWERKI

13rank
+41.6Butler · 56 bds
+0.74per board
±4.3swing
-0.30vs par /bd · #117/183
+0.96adjusted /bd
Butler per round: 17.7 17.3 -11.2 17.8by round

vs par split: bidding +0.32 · play -0.62

Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted +0.96/bd

Card play — on target: opening leads 78.6% #142 of 183 · declarer play 62.5% #170 of 183 · defence 78.6% #157 of 183

Bidding activity — not a pass: 52.0% #7 of 183 (78/150)

Card play by contract type — on target
vs NTvs a suit
Opening leads0.0% (2)91.7% (12)
Declarer play75.0% (4)58.3% (12)
Defence66.7% (6)81.8% (22)

Opening leads by suit led: ♠ 60.0% (5) · ♥ 85.7% (7) · ♦ 100.0% (1) · ♣ 100.0% (1)

vs par by strain: NT -2.00 (13) · a suit +0.21 (43)

vs par by level: part-score +0.65 (20) · game -1.32 (31) · slam +2.20 (5)

By role: declaring +0.94/bd (-2.00 vs par · 28) · defending +0.54/bd (+1.39 vs par · 28)

By vulnerability: vulnerable +0.46/bd (-1.21 vs par · 28) · not vulnerable +1.02/bd (+0.61 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2T.SielickiW.Forys – S.PancewiczClosed14+17.7+1.26-1.29
Round 3T.SielickiP.Trenka – G.KemenyOpen14+17.3+1.24-1.07
Round 5T.SielickiP.Zatorski – R.PachtmanClosed14-11.2-0.80+0.79
Round 6T.SielickiK.Nowak – M.NowosadzkiOpen14+17.8+1.27+0.36

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
+13.2Round 3ANGELS26♠x♠J=+6
+10.9Round 2WARSAW UNIVERSITY282♥♠A-2+16
+9.1Round 6ZIMMERMANN246♠♥6-2+5
+8.3Round 3ANGELS84♠x♥T+1+6
+6.7Round 2WARSAW UNIVERSITY213♣♠4-2+3
+6.4Round 6ZIMMERMANN184♥♣9=+0
+4.8Round 6ZIMMERMANN163NT♠5-1+6
+4.7Round 2WARSAW UNIVERSITY165♦♣Q=-1
+4.5Round 6ZIMMERMANN195♣x♠A=+4
+4.2Round 6ZIMMERMANN204♣♦T-2+2
+4.1Round 3ANGELS34♥♠8-3+4
+3.9Round 3ANGELS73NT♥Q+1-1
+3.5Round 3ANGELS124♠x♥A-1+6
+3.4Round 2WARSAW UNIVERSITY153♥♦A+1+2
+3.3Round 5ALTSHULER15♠♥8=+11
+2.7Round 3ANGELS93NT♥T+1+0
+2.3Round 2WARSAW UNIVERSITY226♠♠2=+0
+2.1Round 5ALTSHULER93♦♠7+1+7
+1.8Round 5ALTSHULER84♠♥4=+3
+1.6Round 3ANGELS133♦♠A-2+2
+1.4Round 2WARSAW UNIVERSITY242♣x♥K-1+0
+1.2Round 3ANGELS54♠♦K=+0
+1.1Round 2WARSAW UNIVERSITY174♠♥7=-11
+0.8Round 5ALTSHULER101NT♠J+2-10
+0.7Round 2WARSAW UNIVERSITY274♠♥7-1+5
+0.6Round 5ALTSHULER73♣♥K+1+0
+0.6Round 6ZIMMERMANN256♥♦6=+0
+0.5Round 6ZIMMERMANN224♠♥T+1+0
+0.4Round 2WARSAW UNIVERSITY262♠♥Q=-6
+0.2Round 5ALTSHULER34♠♥7=-1
+0.2Round 5ALTSHULER134♥♥9=+0
+0.0Round 6ZIMMERMANN151NT♣6+2+6
-0.1Round 2WARSAW UNIVERSITY182♠♦5+2-6
-0.1Round 5ALTSHULER123♠♣J+1+10
-0.2Round 5ALTSHULER111NT♠9+3+6
-0.2Round 6ZIMMERMANN274♥♠6=-1
-0.5Round 5ALTSHULER64♠♦J+1+0
-0.6Round 3ANGELS41NT♠J+1+0
-0.8Round 6ZIMMERMANN263♠♣A-1+0
-1.0Round 6ZIMMERMANN215♣♠A-4+3
-1.1Round 3ANGELS62♠♣6-2+0
-1.1Round 5ALTSHULER53NT♥2+1-1
-1.1Round 6ZIMMERMANN234♥♠A=+0
-1.4Round 2WARSAW UNIVERSITY253NT♣4=-2
-1.8Round 3ANGELS143♥♣7=-6
-2.2Round 6ZIMMERMANN174♠♥5=-8
-2.3Round 5ALTSHULER43NT♥6+2-1
-3.5Round 2WARSAW UNIVERSITY193NT♠Q-2-8
-4.2Round 2WARSAW UNIVERSITY206♣♠A=+0
-4.3Round 3ANGELS13NT♠J+3-11
-4.7Round 2WARSAW UNIVERSITY232♥♦K+2-10
-5.2Round 3ANGELS104♠x♣K-1-14
-7.0Round 6ZIMMERMANN284♥♠5-1-12
-7.3Round 5ALTSHULER143♣x♥A-3-3
-8.2Round 3ANGELS114♠♥5=-7
-8.7Round 5ALTSHULER23NT♠6-1-10