KWIECIEN Michal · ZIMMERMANN

24rank
+25.9Butler · 112 bds
+0.23per board
±4.4swing
+0.25vs par /bd · #25/89
+0.31adjusted /bd
Butler per round: 4.4 -9.6 -8.3 2.5 4.5 -10.8 43.2by round

vs par split: bidding +0.20 · play +0.05

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.31/bd

Card play — on target: opening leads 68.8% #77 of 89 · declarer play 86.1% #12 of 89 · defence 89.1% #39 of 89

Bidding activity — not a pass: 49.1% #3 of 89 (157/320)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (10)77.3% (22)
Declarer play87.5% (8)85.7% (28)
Defence76.2% (21)97.1% (34)

Opening leads by suit led: ♠ 66.7% (12) · ♥ 83.3% (6) · ♦ 40.0% (5) · ♣ 77.8% (9)

vs par by strain: NT +0.69 (39) · a suit +0.01 (73)

vs par by level: part-score +1.10 (41) · game -0.07 (67) · slam -3.00 (4)

By role: declaring +0.62/bd (-1.65 vs par · 57) · defending -0.18/bd (+2.22 vs par · 55)

By vulnerability: vulnerable +0.40/bd (+0.41 vs par · 56) · not vulnerable +0.07/bd (+0.09 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1W.StarkowskiS.Bjerkset – T.BakkeOpen16+4.4+0.28-0.38
Round 3W.StarkowskiA.Kowalski – P.TuszynskiClosed16-9.6-0.60+0.12
Round 4W.StarkowskiJ.Hansen – S.SchouClosed16-8.3-0.52-0.19
Round 6W.StarkowskiP.Hackett – B.SeniorOpen16+2.5+0.16+1.31
Round 7W.StarkowskiJ.Verhees – J.KolenClosed16+4.5+0.28-1.25
Round 8W.StarkowskiM.Blat – P.BizonClosed16-10.8-0.68-1.69
Round 9W.StarkowskiG.Polet – A.KaplanOpen16+43.2+2.70+3.81

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
+10.1Round 7DUTCH SENIORS43NT♠8-2+13
+9.4Round 9BBC344♥♦A=+10
+9.3Round 8MARKOWICZ236♥♥6=+0
+9.1Round 1NORWEGIANS155♣♠Q-1+10
+8.4Round 9BBC3104♠♥K-1+14
+8.2Round 311JASZCZAK66♦♠Q=+0
+7.3Round 9BBC335♦x♥K=+4
+6.6Round 1NORWEGIANS103♣♦6-3+5
+6.6Round 9BBC312♣♦4+2+7
+6.3Round 311JASZCZAK113NT♣3+3+14
+5.6Round 6MOSSOP207♥♦J=+0
+5.5Round 9BBC3122♠♦8=+6
+5.4Round 7DUTCH SENIORS93NT♠3+3+13
+5.2Round 8MARKOWICZ173NT♠4-3+7
+5.0Round 6MOSSOP231NT♠7-1+6
+4.8Round 7DUTCH SENIORS12♦♣6+1+0
+3.9Round 6MOSSOP253NT♦Q+1+1
+3.4Round 7DUTCH SENIORS123♥♣8=+1
+3.3Round 9BBC3164♥♣8=+0
+3.2Round 1NORWEGIANS124♠♦K+2+11
+3.2Round 4DENMARK273NT♥9-1+4
+3.2Round 8MARKOWICZ253♦♥A+2-1
+3.2Round 9BBC3133♣♦T=+0
+3.1Round 1NORWEGIANS95♦x♠6-1+0
+2.9Round 311JASZCZAK25♦x♠Q-1+6
+2.8Round 9BBC3153♦♣Q=-11
+2.6Round 1NORWEGIANS45♦♥A-1-3
+2.6Round 311JASZCZAK45♣♠A=-2
+2.6Round 4DENMARK314♥♠3+2+9
+2.6Round 6MOSSOP182♥♠K-2+0
+2.6Round 6MOSSOP193NT♦7=+0
+2.5Round 311JASZCZAK75♣♦T=-1
+2.5Round 6MOSSOP303♥♥9=+6
+2.4Round 1NORWEGIANS23NT♥3+3+2
+2.4Round 9BBC381NT♠T=+8
+2.2Round 9BBC375♦♥6-1+12
+2.1Round 4DENMARK174♣♦K-2+5
+1.6Round 1NORWEGIANS111NT♠4=+0
+1.5Round 4DENMARK194♥♠7=-1
+1.4Round 7DUTCH SENIORS81NT♠2+1+1
+1.4Round 8MARKOWICZ274♦♥K+1+7
+1.3Round 9BBC392NT♣A-3+5
+1.2Round 8MARKOWICZ292♥♦J+1+6
+1.2Round 8MARKOWICZ305♣♥9=-2
+1.2Round 9BBC3113NT♦K=-1
+1.1Round 7DUTCH SENIORS64♠♥A=+0
+1.0Round 8MARKOWICZ243NT♥4=-1
+0.9Round 4DENMARK203♠♥9-1-1
+0.7Round 311JASZCZAK134♣♥A-2+7
+0.6Round 4DENMARK295♣♠K=+0
+0.5Round 1NORWEGIANS84♠♦3=+0
+0.5Round 7DUTCH SENIORS54♥♥2+1+0
+0.5Round 8MARKOWICZ221NT♦J-1-2
+0.5Round 8MARKOWICZ263NT♠8+1+1
+0.4Round 8MARKOWICZ214♥♠Q+2+1
+0.2Round 6MOSSOP324♥♣A-1+6
+0.1Round 311JASZCZAK123♣♠Q+1+7
+0.1Round 6MOSSOP264♠♠8+2+12
+0.1Round 8MARKOWICZ312♥♠K+2-1
+0.1Round 9BBC353♥♣K-1-3
+0.0Round 311JASZCZAK144♠♣3+1+0
+0.0Round 6MOSSOP273NT♣5-1+5
-0.1Round 6MOSSOP291NT♠2+1-1
-0.1Round 7DUTCH SENIORS24♥♣7+1-1
-0.2Round 4DENMARK302NT♠K+1-7
-0.3Round 311JASZCZAK31NT♥5+2+10
-0.3Round 4DENMARK243NT♥A+1+0
-0.3Round 7DUTCH SENIORS103NT♣T+1+0
-0.3Round 9BBC3143NT♦3+3+10
-0.4Round 1NORWEGIANS73♣♦A+1+0
-0.4Round 311JASZCZAK94♠♦6=+0
-0.4Round 4DENMARK183NT♥9-2-2
-0.5Round 7DUTCH SENIORS143NT♦8=-1
-0.5Round 7DUTCH SENIORS164♣♦4=-7
-0.6Round 1NORWEGIANS61NT♣J=-1
-0.6Round 7DUTCH SENIORS32♠♠2=+0
-0.8Round 6MOSSOP213♠♥Q-2+6
-0.9Round 6MOSSOP242♥♦A-2+0
-1.0Round 4DENMARK323NT♣7+1+0
-1.1Round 1NORWEGIANS13NT♥T+2+0
-1.2Round 4DENMARK214♥♦Q=+11
-1.5Round 1NORWEGIANS164♥♣3+2-11
-1.5Round 7DUTCH SENIORS112♥♠J=-5
-1.5Round 8MARKOWICZ322♠♣J=-5
-1.6Round 9BBC323♣♣9+1+0
-1.7Round 1NORWEGIANS35♦x♦4-3+4
-1.8Round 4DENMARK233♥♦7-1+6
-1.8Round 8MARKOWICZ204♠♥K-1-5
-1.9Round 6MOSSOP224♥♣A=-3
-2.1Round 4DENMARK252♠♥Q=+0
-2.2Round 7DUTCH SENIORS155♣♥3+1-13
-2.8Round 1NORWEGIANS54♠♥K=-6
-2.9Round 4DENMARK264♠♦7-1-6
-3.4Round 1NORWEGIANS141NT♠8=-5
-3.5Round 4DENMARK285♦x♥A-1-11
-3.6Round 311JASZCZAK104♥♥3-1-6
-3.6Round 6MOSSOP173NT♦Q-1-10
-4.2Round 311JASZCZAK152NT♦9+1+2
-4.8Round 311JASZCZAK83NT♣2-2-5
-5.1Round 6MOSSOP281NT♠4+2-6
-5.1Round 7DUTCH SENIORS134NT♠T+3-12
-5.6Round 311JASZCZAK15♣♠9-5-4
-5.8Round 4DENMARK225♦♣A-1-10
-6.6Round 311JASZCZAK164♥♣3-2-14
-7.4Round 311JASZCZAK53NT♦4-1-12
-7.6Round 6MOSSOP313NT♥Q+2-1
-8.6Round 9BBC363NT♠4+1+0
-9.3Round 8MARKOWICZ193NTx♦A+2-8
-10.6Round 8MARKOWICZ186♥♠Q=-12
-11.4Round 7DUTCH SENIORS74♠♦A=-9
-11.6Round 8MARKOWICZ284♠x♦A-4-12
-13.2Round 1NORWEGIANS134♥x♣6=-12