BIZON Piotr · MARKOWICZ

37rank
+15.0Butler · 112 bds
+0.13per board
±4.5swing
+0.64vs par /bd · #12/89
+0.14adjusted /bd
Butler per round: 34.2 -1.5 -2.7 -5.5 1.4 10.8 -21.7by round

vs par split: bidding +0.79 · play -0.14

Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.14/bd

Card play — on target: opening leads 69.7% #74 of 89 · declarer play 75.8% #51 of 89 · defence 94.1% #3 of 89

Bidding activity — not a pass: 48.4% #5 of 89 (149/308)

Card play by contract type — on target
vs NTvs a suit
Opening leads72.7% (11)68.2% (22)
Declarer play73.3% (15)77.8% (18)
Defence85.7% (14)97.3% (37)

Opening leads by suit led: ♠ 50.0% (4) · ♥ 85.7% (14) · ♦ 50.0% (8) · ♣ 71.4% (7)

vs par by strain: NT -0.05 (43) · a suit +1.07 (69)

vs par by level: part-score +0.39 (41) · game +0.80 (65) · slam +0.67 (6)

By role: declaring -0.12/bd (-1.46 vs par · 61) · defending +0.44/bd (+3.16 vs par · 51)

By vulnerability: vulnerable -0.57/bd (+0.34 vs par · 56) · not vulnerable +0.83/bd (+0.95 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.BlatP.Zwart – J.Van Der NeutOpen16+34.2+2.14+1.56
Round 3M.BlatC.Matei – R.GligaClosed16-1.5-0.09+0.69
Round 4M.BlatA.Kowalski – P.TuszynskiOpen16-2.7-0.17+0.25
Round 6M.BlatS.Zawislak – L.OhryskoClosed16-5.5-0.34+1.06
Round 7M.BlatS.Bjerkset – T.BakkeClosed16+1.4+0.09-1.19
Round 8M.BlatW.Starkowski – M.KwiecienClosed16+10.8+0.68+1.69
Round 9M.BlatM.Witek – M.BartkowskiOpen16-21.7-1.36+0.44

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
+12.8Round 6SREBRNE LISY252♥x♥6-4+12
+11.6Round 8ZIMMERMANN284♠x♦A-4+12
+10.6Round 1VALLON SENIORS15♣♥K-2+11
+10.6Round 8ZIMMERMANN186♥♠Q=+12
+10.4Round 1VALLON SENIORS134♠♥A=+13
+9.4Round 3BUCHAREST SENIORS104♠x♥7-2+8
+9.3Round 8ZIMMERMANN193NTx♦A+2+8
+9.1Round 1VALLON SENIORS55♠x♥3-1+7
+8.5Round 7NORWEGIANS136NT♥9+1+1
+6.9Round 7NORWEGIANS164♠♥A=+0
+6.1Round 3BUCHAREST SENIORS163NT♦J+2-10
+5.4Round 3BUCHAREST SENIORS153NT♦T=+11
+5.4Round 7NORWEGIANS93NT♠3+3+13
+5.2Round 411JASZCZAK223NT♠J+1+0
+4.7Round 1VALLON SENIORS124♠♥6=+11
+4.0Round 3BUCHAREST SENIORS74♠♥T+1+1
+3.8Round 9T3M35♦♥A=+0
+3.5Round 9T3M25♣♥A-1+5
+3.4Round 411JASZCZAK261♠♦7+2+0
+3.4Round 6SREBRNE LISY282♠♣K+2+2
+3.2Round 411JASZCZAK273NT♥9-1+4
+3.1Round 1VALLON SENIORS95♦x♥K-1+0
+2.7Round 9T3M63♦♣9=+11
+2.6Round 1VALLON SENIORS45♦♥K-1-3
+2.6Round 411JASZCZAK314♥♣6+2+9
+2.6Round 6SREBRNE LISY193NT♦2=+0
+2.5Round 1VALLON SENIORS141♠♣A+1+1
+2.5Round 411JASZCZAK194♥♠K+1+0
+2.4Round 1VALLON SENIORS23NT♥3+3+2
+2.4Round 1VALLON SENIORS61NT♠2+3+2
+2.1Round 3BUCHAREST SENIORS81NT♥6+2+2
+1.8Round 6SREBRNE LISY273NT♣5-2+6
+1.8Round 8ZIMMERMANN204♠♥K-1+5
+1.5Round 8ZIMMERMANN322♠♣J=+5
+1.5Round 9T3M81NT♠J+1+7
+1.4Round 7NORWEGIANS81NT♠3+1+1
+1.3Round 9T3M92NT♣A-3+5
+1.2Round 3BUCHAREST SENIORS25♦♣5-1+5
+1.2Round 9T3M113NT♠Q=-1
+1.1Round 7NORWEGIANS64♠♥A=+0
+0.9Round 411JASZCZAK234♥x♦7-1+8
+0.6Round 1VALLON SENIORS73♣♦K=+1
+0.6Round 411JASZCZAK295♣♠K=+0
+0.6Round 7NORWEGIANS143NT♣J+1+0
+0.5Round 1VALLON SENIORS84♠♦7=+0
+0.5Round 411JASZCZAK173♥♦K-1+4
+0.5Round 9T3M123♠♦8-1+1
+0.2Round 6SREBRNE LISY324♥♣A-1+6
+0.1Round 9T3M43♥♣7+1+1
+0.0Round 3BUCHAREST SENIORS144♥♣6+1+0
-0.1Round 6SREBRNE LISY291NT♠4+1-1
-0.1Round 6SREBRNE LISY301NT♥K-1+4
-0.1Round 7NORWEGIANS24♥♣3+1-1
-0.1Round 8ZIMMERMANN312♥♠K+2+1
-0.2Round 411JASZCZAK253♥♠A-1+2
-0.3Round 3BUCHAREST SENIORS31NT♥5+2+10
-0.3Round 411JASZCZAK243NT♥6+1+0
-0.3Round 6SREBRNE LISY232♦♥9+1+1
-0.3Round 9T3M143NT♦J+3+10
-0.4Round 3BUCHAREST SENIORS64NT♠J+1-10
-0.4Round 3BUCHAREST SENIORS94♠♦3=+0
-0.4Round 8ZIMMERMANN214♥♠Q+2-1
-0.5Round 7NORWEGIANS53NT♦Q+1-1
-0.5Round 8ZIMMERMANN221NT♦J-1+2
-0.5Round 8ZIMMERMANN263NT♠8+1-1
-0.5Round 9T3M13♠♣7=+0
-0.6Round 7NORWEGIANS32♠♠2=+0
-0.8Round 3BUCHAREST SENIORS121NT♦7+2+7
-0.8Round 6SREBRNE LISY212♥♥6=+6
-0.9Round 6SREBRNE LISY263NT♥6+4+12
-0.9Round 7NORWEGIANS155NT♥J=-12
-1.0Round 411JASZCZAK323NT♣7+1+0
-1.0Round 8ZIMMERMANN243NT♥4=+1
-1.2Round 411JASZCZAK214♥♦7=+11
-1.2Round 8ZIMMERMANN292♥♦J+1-6
-1.2Round 8ZIMMERMANN305♣♥9=+2
-1.3Round 3BUCHAREST SENIORS13NT♠3-1+2
-1.4Round 7NORWEGIANS103NT♠Q=-1
-1.4Round 8ZIMMERMANN274♦♥K+1-7
-1.5Round 411JASZCZAK302♠♥7-2-8
-1.5Round 7NORWEGIANS112♥♥9=-5
-1.6Round 6SREBRNE LISY243♣♥7+1-1
-1.9Round 6SREBRNE LISY224♥♦Q=-3
-2.0Round 9T3M133♥♥J-1-5
-2.2Round 1VALLON SENIORS163NT♣K+2-11
-2.5Round 1VALLON SENIORS112♦♥6-1-4
-2.5Round 3BUCHAREST SENIORS116♦♥6+1+11
-2.5Round 9T3M162♠♦J-2-6
-3.0Round 1VALLON SENIORS154♠x♥A-2-2
-3.2Round 6SREBRNE LISY182♠♥5=-5
-3.2Round 8ZIMMERMANN253♦♥A+2+1
-3.4Round 1VALLON SENIORS103NT♥3-1-5
-3.4Round 7NORWEGIANS122♠♥A=-5
-3.6Round 1VALLON SENIORS35♣♥A=+2
-3.6Round 6SREBRNE LISY173NT♦Q-1-10
-3.8Round 7NORWEGIANS43NT♥2=+0
-4.1Round 411JASZCZAK203♥♠6-1-6
-4.8Round 7NORWEGIANS13NTx♠T-2-9
-4.8Round 9T3M153NT♠7-2-13
-5.2Round 8ZIMMERMANN173NT♠4-3-7
-5.5Round 7NORWEGIANS73NT♣2-2+0
-5.5Round 9T3M73♥♣K-2+9
-5.9Round 411JASZCZAK283♠♥6-3-12
-6.2Round 6SREBRNE LISY315♦♣K=+1
-7.4Round 3BUCHAREST SENIORS53NT♦5-1-12
-7.4Round 411JASZCZAK183NT♣A-5-8
-7.6Round 6SREBRNE LISY206♥♥4+1-13
-7.9Round 3BUCHAREST SENIORS43♣♠A+2-11
-8.1Round 9T3M54♠♥K-3-10
-8.7Round 3BUCHAREST SENIORS134♥♦6-2-3
-9.3Round 8ZIMMERMANN236♥♥6=+0
-12.6Round 9T3M106♦♠A=-7