🇵🇱 KIERZNOWSKI Roman · POLAND

56rank
+5.7Butler · 159 bds
+0.04per board
±4.6swing
-1.07vs par /bd · #117/120
-0.02adjusted /bd
Butler per round: -19.7 7.7 3.3 16.1 11.2 -25.3 0.9 20.8 -4.3 -5by round

vs par split: bidding -0.73 · play +0.16

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted -0.02/bd

Card play — on target: opening leads 73.9% #109 of 120 · declarer play 70.0% #88 of 119 · defence 92.6% #12 of 120

Card play by contract type — on target
vs NTvs a suit
Opening leads·73.9% (23)
Declarer play·70.0% (30)
Defence·92.6% (54)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 80.0% (5) · ♦ 71.4% (7) · ♣ 57.1% (7)

vs par by strain: a suit -0.57 (104)

vs par by level: part-score +0.06 (51) · game -1.24 (50) · slam +0.00 (3)

By role: declaring +0.18/bd (-2.35 vs par · 81) · defending -0.12/bd (+0.26 vs par · 78)

By vulnerability: vulnerable -0.55/bd (-1.20 vs par · 79) · not vulnerable +0.61/bd (-0.94 vs par · 80)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2A.WilkoszG.Lasserre – P.PoizatClosed16-19.7-1.23-2.19
Round 3A.WilkoszG.Mattsson – H.HumburgOpen16+7.7+0.48-0.38
Round 5A.WilkoszAMINULLAH M. – S.AhmedClosed16+3.3+0.21+0.06
Round 6A.WilkoszA.Yamada – A.HiroyaClosed15+16.1+1.07+1.53
Round 8A.WilkoszR.Sheinman – A.SchwartzClosed16+11.2+0.70-2.31
Round 9A.WilkoszN.Masucci – P.ForquetClosed16-25.3-1.58-2.12
Round 17A.WilkoszO.Janssens – W.BoegemClosed16+0.9+0.06-0.56
Round 18A.WilkoszC.Andrade – A.MagalhaesOpen16+20.8+1.30-1.38
Round 20A.WilkoszS.Flodqvist – A.SjobergClosed16-4.3-0.27-0.81
Round 21A.WilkoszD.Sacul – M.SawiruddinClosed16-5.0-0.31-2.38

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
+12.3Round 6🇯🇵 JAPAN52♥x♣7-3+12
+12.1Round 8🇮🇱 ISRAEL123N♣6=+11
+12.0Round 8🇮🇱 ISRAEL96♠x♥A-1+12
+11.8Round 3🇩🇪 GERMANY114♠♥A-5+12
+10.7Round 21🇮🇩 INDONESIA22♥♠Q+2+17
+10.6Round 5🇧🇩 BANGLADESH134♠♣9-1+12
+9.2Round 18🇧🇷 BRAZIL25♦♣J=-2
+8.6Round 18🇧🇷 BRAZIL142♦x♦K-4+12
+8.0Round 21🇮🇩 INDONESIA14♥♦8+3+12
+7.7Round 20🇸🇪 SWEDEN33N♣6-1+10
+7.3Round 2🇫🇷 FRANCE65♣♠K-2+13
+7.2Round 6🇯🇵 JAPAN123N♥J+3+13
+7.0Round 5🇧🇩 BANGLADESH63♠♣6+2+15
+6.7Round 18🇧🇷 BRAZIL73N♣6+1+1
+5.8Round 3🇩🇪 GERMANY155♠♦A=+8
+5.5Round 21🇮🇩 INDONESIA133N♣9+1+0
+5.2Round 5🇧🇩 BANGLADESH75♣♠A-2+8
+5.1Round 17🇳🇱 NETHERLANDS134♠♦J+1+13
+4.9Round 8🇮🇱 ISRAEL36♦♣3=-12
+4.8Round 17🇳🇱 NETHERLANDS82♠♣A-2+5
+4.8Round 17🇳🇱 NETHERLANDS153♠♣2=+10
+4.4Round 8🇮🇱 ISRAEL114♥♠3-1+5
+4.3Round 20🇸🇪 SWEDEN133N♦A=-1
+4.2Round 18🇧🇷 BRAZIL17♠♠8=+0
+4.1Round 18🇧🇷 BRAZIL62♠♦Q=+0
+4.0Round 18🇧🇷 BRAZIL33N♦Q=+0
+3.9Round 2🇫🇷 FRANCE43N♥Q+2+0
+3.9Round 18🇧🇷 BRAZIL163♥♦J+2+6
+3.9Round 21🇮🇩 INDONESIA41N♥10-1+6
+3.8Round 18🇧🇷 BRAZIL52♠♥2=+6
+3.7Round 3🇩🇪 GERMANY84♠♥10=+0
+3.7Round 18🇧🇷 BRAZIL92N♥2+2+2
+3.6Round 21🇮🇩 INDONESIA31N♥Q=+11
+3.6Round 21🇮🇩 INDONESIA95♣♠10+1-8
+3.4Round 9🇮🇹 ITALY24♠♦Q=-1
+3.1Round 17🇳🇱 NETHERLANDS14♥♥2+2-11
+3.1Round 21🇮🇩 INDONESIA113♦♣3=+0
+2.8Round 6🇯🇵 JAPAN133♠♥J-1+1
+2.8Round 17🇳🇱 NETHERLANDS32N♠2+1+1
+2.7Round 17🇳🇱 NETHERLANDS92♠♥4=+6
+2.5Round 6🇯🇵 JAPAN31N♠Q+3+6
+2.3Round 5🇧🇩 BANGLADESH112♣♠5-2+0
+2.3Round 6🇯🇵 JAPAN71N♠Q+2-10
+2.3Round 17🇳🇱 NETHERLANDS112♠♥2-3+2
+2.3Round 20🇸🇪 SWEDEN123♣♦4=+10
+2.2Round 5🇧🇩 BANGLADESH52♥♦4+2+6
+2.2Round 20🇸🇪 SWEDEN11N♣5+3-6
+2.0Round 3🇩🇪 GERMANY22♥♦4-1-3
+1.8Round 21🇮🇩 INDONESIA143N♠2+3-11
+1.5Round 2🇫🇷 FRANCE143♠♥A-1-2
+1.5Round 6🇯🇵 JAPAN141N♥6+2+0
+1.4Round 3🇩🇪 GERMANY161N♣9+1-1
+1.4Round 5🇧🇩 BANGLADESH103♣♠A+1+0
+1.4Round 20🇸🇪 SWEDEN113N♥5+3+1
+1.3Round 6🇯🇵 JAPAN114♠♦K-1+5
+1.2Round 8🇮🇱 ISRAEL153♠♦J-2+0
+1.1Round 3🇩🇪 GERMANY61N♥3+2+1
+1.1Round 20🇸🇪 SWEDEN22♠♣4-1+5
+1.0Round 8🇮🇱 ISRAEL43♥♠K-1-6
+1.0Round 9🇮🇹 ITALY73N♠J+2+0
+0.7Round 3🇩🇪 GERMANY33♣♥3=-1
+0.7Round 5🇧🇩 BANGLADESH35♣♦K=+0
+0.7Round 9🇮🇹 ITALY114♠♥6-2+5
+0.6Round 5🇧🇩 BANGLADESH83♣♦9+1+0
+0.4Round 2🇫🇷 FRANCE53N♠4=+0
+0.3Round 18🇧🇷 BRAZIL44♥♦3=+1
+0.2Round 2🇫🇷 FRANCE34♥♦A+2-11
+0.2Round 2🇫🇷 FRANCE81♠♠Q-1-2
+0.2Round 2🇫🇷 FRANCE133N♥6+2+0
+0.2Round 8🇮🇱 ISRAEL104♠♣9=+1
+0.2Round 9🇮🇹 ITALY44♥♠9+1+0
+0.0Round 8🇮🇱 ISRAEL141N♠K-3-6
+0.0Round 8🇮🇱 ISRAEL162♠♣5-2+1
-0.0Round 9🇮🇹 ITALY13Pass-3
-0.0Round 20🇸🇪 SWEDEN54♠♦4=-1
-0.1Round 3🇩🇪 GERMANY94♥♠J+1+0
-0.1Round 3🇩🇪 GERMANY104♠♦Q+1+0
-0.1Round 5🇧🇩 BANGLADESH23N♥3+1+0
-0.2Round 3🇩🇪 GERMANY13N♥K=+1
-0.3Round 5🇧🇩 BANGLADESH11N♦2=+0
-0.3Round 6🇯🇵 JAPAN63♦♠K-1+1
-0.3Round 6🇯🇵 JAPAN103N♥6=+0
-0.3Round 8🇮🇱 ISRAEL13N♣5=+0
-0.4Round 2🇫🇷 FRANCE124♠♣5=+0
-0.4Round 9🇮🇹 ITALY85♥♠3=+0
-0.5Round 17🇳🇱 NETHERLANDS43N♣J+1+1
-0.7Round 3🇩🇪 GERMANY54N♣6=-1
-0.7Round 6🇯🇵 JAPAN84♥♦6=+0
-0.7Round 9🇮🇹 ITALY64♠♦4+1-1
-0.8Round 3🇩🇪 GERMANY144♠♣2+1-11
-0.9Round 5🇧🇩 BANGLADESH152♠♥K+1+0
-0.9Round 20🇸🇪 SWEDEN104♥♦6=-9
-1.0Round 3🇩🇪 GERMANY44♠♥4-1+3
-1.0Round 9🇮🇹 ITALY93N♠3=-1
-1.0Round 18🇧🇷 BRAZIL84♠♦K-2-8
-1.1Round 8🇮🇱 ISRAEL73♦♠9=+0
-1.1Round 9🇮🇹 ITALY122♦♦2-1-4
-1.2Round 5🇧🇩 BANGLADESH41N♠Q-1+0
-1.2Round 17🇳🇱 NETHERLANDS62♠♥Q+1-1
-1.2Round 18🇧🇷 BRAZIL111N♥Q-1-2
-1.3Round 6🇯🇵 JAPAN153N♠2+1+0
-1.4Round 20🇸🇪 SWEDEN145♥♦J-1-8
-1.7Round 5🇧🇩 BANGLADESH164♥♦2-2-5
-1.7Round 6🇯🇵 JAPAN14♠♣A=+0
-1.8Round 20🇸🇪 SWEDEN162♠♦K+1-1
-1.9Round 2🇫🇷 FRANCE163N♦5+2-14
-2.1Round 20🇸🇪 SWEDEN83♠♥A-1-2
-2.2Round 9🇮🇹 ITALY32N♥8=+0
-2.2Round 21🇮🇩 INDONESIA84♥♠K+1+0
-2.3Round 6🇯🇵 JAPAN94♠♣2=+0
-2.3Round 20🇸🇪 SWEDEN93♦♥K=+7
-2.4Round 6🇯🇵 JAPAN41N♥6=-5
-2.5Round 3🇩🇪 GERMANY131N♥5+4-2
-2.5Round 17🇳🇱 NETHERLANDS163♥♦K=+0
-2.5Round 20🇸🇪 SWEDEN65♥♠3+1-3
-2.5Round 21🇮🇩 INDONESIA64♠♣2=+0
-2.7Round 9🇮🇹 ITALY104♠♦4=+0
-2.7Round 9🇮🇹 ITALY152N♠2-1+2
-2.7Round 17🇳🇱 NETHERLANDS53N♥5+2+0
-2.7Round 18🇧🇷 BRAZIL124♠♦10-2-11
-2.8Round 3🇩🇪 GERMANY72♠♣K+1+0
-2.9Round 8🇮🇱 ISRAEL23♥♠A-1-10
-2.9Round 20🇸🇪 SWEDEN153♠♥K-1-4
-3.0Round 8🇮🇱 ISRAEL86N♦7=-11
-3.0Round 17🇳🇱 NETHERLANDS102♥♥2-1-12
-3.0Round 18🇧🇷 BRAZIL153N♠J-1-5
-3.1Round 2🇫🇷 FRANCE93♠♦J-2+1
-3.1Round 21🇮🇩 INDONESIA153N♥Q+1-1
-3.2Round 17🇳🇱 NETHERLANDS74♠♦J=-9
-3.3Round 2🇫🇷 FRANCE25♣♦2=+2
-3.4Round 2🇫🇷 FRANCE102♣♦Q=-1
-3.5Round 17🇳🇱 NETHERLANDS124♥♦A-1+2
-3.5Round 17🇳🇱 NETHERLANDS145♦♠K=-11
-3.8Round 9🇮🇹 ITALY54♦♥Q-2+0
-3.8Round 20🇸🇪 SWEDEN43N♦3+1-10
-4.2Round 8🇮🇱 ISRAEL53N♦5+3-2
-4.6Round 17🇳🇱 NETHERLANDS23N♥6-1-5
-4.7Round 9🇮🇹 ITALY15♣♥K=-12
-4.8Round 5🇧🇩 BANGLADESH143♥♠3+1-6
-4.8Round 6🇯🇵 JAPAN24♠x♥6-2+0
-4.8Round 18🇧🇷 BRAZIL135♦x♥K=-6
-4.9Round 2🇫🇷 FRANCE152♠♠K+2-2
-5.0Round 9🇮🇹 ITALY142♠♥3+3-6
-5.2Round 2🇫🇷 FRANCE12♠♦Q=-8
-5.4Round 8🇮🇱 ISRAEL63♥♣A=-7
-5.5Round 2🇫🇷 FRANCE74♦♠K=+0
-5.6Round 20🇸🇪 SWEDEN73N♠5+1-1
-5.7Round 2🇫🇷 FRANCE114♥♣4+2-11
-5.7Round 21🇮🇩 INDONESIA54♥♠4-1-12
-6.2Round 21🇮🇩 INDONESIA163N♥6+2-13
-6.3Round 9🇮🇹 ITALY163N♠2-2-13
-6.5Round 21🇮🇩 INDONESIA105♠♣K=-13
-6.5Round 21🇮🇩 INDONESIA123♥♥6-1-11
-6.7Round 5🇧🇩 BANGLADESH93N♥J-1-10
-7.7Round 8🇮🇱 ISRAEL134N♠5+2-13
-10.6Round 3🇩🇪 GERMANY123♦♥J=-12
-11.0Round 5🇧🇩 BANGLADESH123♥♠A-1-19
-12.5Round 21🇮🇩 INDONESIA73N♠A=-15
-15.0Round 18🇧🇷 BRAZIL104N♣2+1-16