🇵🇱 SAKOWSKA Natalia · POLAND

25rank
+61.7Butler · 272 bds
+0.23per board
±4.5swing
-0.07vs par /bd · #17/28
+0.30adjusted /bd
Butler per round: 16.3 16.3 16.3 16.3 51.7 51.7 51.7 51.7 -18.5 -18.5 -18.5 -18.5 -18.5 12.2 12.2 12.2 12.2by round

vs par split: bidding -0.37 · play +0.27

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.30/bd

Card play — on target: opening leads 73.7% #22 of 28 · declarer play 61.6% #28 of 28 · defence 86.8% #13 of 28

Card play by contract type — on target
vs NTvs a suit
Opening leads30.8% (13)86.4% (44)
Declarer play60.7% (28)62.1% (58)
Defence90.9% (33)85.2% (88)

Opening leads by suit led: ♠ 78.6% (14) · ♥ 58.8% (17) · ♦ 80.0% (15) · ♣ 81.8% (11)

vs par by strain: NT +0.26 (85) · a suit -0.25 (186)

vs par by level: part-score -0.23 (110) · game +0.15 (149) · slam -1.83 (12)

By role: declaring +0.09/bd (-2.17 vs par · 150) · defending +0.40/bd (+2.51 vs par · 122)

By vulnerability: vulnerable +0.56/bd (-0.10 vs par · 136) · not vulnerable -0.10/bd (-0.05 vs par · 136)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16D.KazmuchaB.Palmer – L.DeasClosed16+5.4+0.34+1.19
Round of 16D.KazmuchaM.Zur-Campanile – J.StansbyClosed16+12.0+0.75-1.25
Round of 16D.KazmuchaL.Deas – B.PalmerClosed16-6.1-0.38+1.88
Round of 16D.KazmuchaJ.Radin – L.DeasOpen16+5.0+0.31-2.00
QuarterfinalD.KazmuchaA.Mandelot – H.NogueiraOpen16+41.3+2.58+2.56
QuarterfinalD.KazmuchaL.Pain – I.Vargas De AndradeOpen16-3.2-0.20-3.69
QuarterfinalD.KazmuchaH.Nogueira – A.MandelotClosed16+6.1+0.38+2.25
QuarterfinalD.KazmuchaL.Pain – I.Vargas De AndradeOpen16+7.5+0.47-0.44
SemifinalD.KazmuchaA.Gulevich – E.KhonichevaClosed16+1.3+0.08+0.12
SemifinalD.KazmuchaE.Khonicheva – A.GulevichOpen16+7.0+0.44+0.94
SemifinalD.KazmuchaA.Gulevich – E.KhonichevaClosed16-7.3-0.46-1.81
SemifinalD.KazmuchaV.Gromova – T.PonomarevaClosed16-23.2-1.45+0.38
SemifinalD.KazmuchaV.Gromova – T.PonomarevaOpen16+3.7+0.23+1.31
FinalD.KazmuchaV.Bessis – C.PuilletOpen16+16.8+1.05-0.25
FinalD.KazmuchaC.Mus – R.PoizatOpen16+3.2+0.20+1.12
FinalD.KazmuchaC.Puillet – V.BessisClosed16-12.6-0.79-3.75
FinalD.KazmuchaC.Puillet – V.BessisClosed16+4.8+0.30+0.19

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
+14.0Final🇫🇷 FRANCE345♠x♣8-4+4
+13.3Final🇫🇷 FRANCE103NT♦10=+0
+11.1Quarterfinal🇧🇷 BRAZIL165♥♠A=+11
+11.1Quarterfinal🇧🇷 BRAZIL714♠♥A+2+12
+11.0Semifinal🇷🇺 RUSSIA485♦♠A-1+10
+11.0Final🇫🇷 FRANCE443NT♦3+1+10
+10.8Round of 16🇺🇸 USA693NT♠2=+10
+9.6Quarterfinal🇧🇷 BRAZIL834♠♦K=+3
+8.9Quarterfinal🇧🇷 BRAZIL277♦♦7=+0
+8.3Semifinal🇷🇺 RUSSIA223NT♦9=+3
+8.3Semifinal🇷🇺 RUSSIA473NT♣3-1+13
+8.0Quarterfinal🇧🇷 BRAZIL33NT♦3-4+12
+7.9Quarterfinal🇧🇷 BRAZIL794♠x♥3-2+10
+7.8Round of 16🇺🇸 USA24♥♣9-1+12
+7.7Round of 16🇺🇸 USA674♠xx♣A=-3
+7.3Round of 16🇺🇸 USA621♠x♠2-1+8
+7.3Semifinal🇷🇺 RUSSIA694♥x♦9-2+2
+7.3Final🇫🇷 FRANCE684♥♣8=+10
+7.1Quarterfinal🇧🇷 BRAZIL743♥♣J=+10
+7.0Semifinal🇷🇺 RUSSIA134♥x♣4=+7
+7.0Final🇫🇷 FRANCE734♥♦J=-1
+6.9Round of 16🇺🇸 USA755♦♦4-1+8
+6.4Quarterfinal🇧🇷 BRAZIL822NT♠5-6+8
+6.3Round of 16🇺🇸 USA763♦♥J-6+4
+6.3Semifinal🇷🇺 RUSSIA174♠♥4=+0
+6.3Final🇫🇷 FRANCE152♥♠2=+0
+6.1Quarterfinal🇧🇷 BRAZIL232♥♦5-2+7
+6.1Quarterfinal🇧🇷 BRAZIL883♠♣A-3+6
+6.1Quarterfinal🇧🇷 BRAZIL954♠♦A=+7
+6.0Final🇫🇷 FRANCE146♠♦2=+0
+5.7Final🇫🇷 FRANCE654♠♥K=+7
+5.4Quarterfinal🇧🇷 BRAZIL42♠♣K+1+12
+5.3Final🇫🇷 FRANCE112♥♣A+1+0
+5.3Final🇫🇷 FRANCE394♠♣9-2+13
+5.1Quarterfinal🇧🇷 BRAZIL93♠♣2-1+4
+5.0Semifinal🇷🇺 RUSSIA873NT♠3-3+9
+5.0Semifinal🇷🇺 RUSSIA394NT+1+1
+5.0Final🇫🇷 FRANCE547♠x♣8-2+0
+5.0Final🇫🇷 FRANCE663♣♠Q-1+5
+4.7Round of 16🇺🇸 USA254♥♦9-1+10
+4.6Round of 16🇺🇸 USA713NT♠3=-1
+4.6Quarterfinal🇧🇷 BRAZIL214♦♠7-1+5
+4.3Quarterfinal🇧🇷 BRAZIL914♠♦K=+7
+4.0Semifinal🇷🇺 RUSSIA761NT♥4+1+6
+4.0Semifinal🇷🇺 RUSSIA413NT♦3+1+0
+3.9Quarterfinal🇧🇷 BRAZIL124♠♦J=+0
+3.7Round of 16🇺🇸 USA543NT♣10-2+13
+3.7Semifinal🇷🇺 RUSSIA904NT♠8+2+13
+3.7Final🇫🇷 FRANCE384♥♣6=+14
+3.6Quarterfinal🇧🇷 BRAZIL84♠♥7-1+10
+3.3Round of 16🇺🇸 USA12♠♥Q=+1
+3.3Round of 16🇺🇸 USA33♣+2+1
+3.3Round of 16🇺🇸 USA652NT♥2-3+1
+3.3Quarterfinal🇧🇷 BRAZIL171NT♦6+2+1
+3.3Semifinal🇷🇺 RUSSIA654♠♦A-1+10
+3.3Semifinal🇷🇺 RUSSIA882♣x♠4-2-3
+3.3Semifinal🇷🇺 RUSSIA892NT♠2+2+1
+3.3Semifinal🇷🇺 RUSSIA944♠♥7-1+4
+3.3Semifinal🇷🇺 RUSSIA962NT♠5-1+0
+3.3Semifinal🇷🇺 RUSSIA423NT♠3=+0
+3.0Round of 16🇺🇸 USA183♣♦Q-1+12
+3.0Quarterfinal🇧🇷 BRAZIL282♥♦2-2+3
+3.0Quarterfinal🇧🇷 BRAZIL692♠♠2=+0
+3.0Semifinal🇷🇺 RUSSIA802♥♦4-2+5
+3.0Semifinal🇷🇺 RUSSIA852NT♣9+1+2
+3.0Final🇫🇷 FRANCE473♥♦K-2+11
+3.0Final🇫🇷 FRANCE505♣♠8=-1
+2.7Semifinal🇷🇺 RUSSIA672♠♦J-1-2
+2.7Semifinal🇷🇺 RUSSIA451♥♣7+2+8
+2.7Semifinal🇷🇺 RUSSIA463♣♦8-1+4
+2.7Final🇫🇷 FRANCE762♠♣4+1+1
+2.6Round of 16🇺🇸 USA263NT♥K+2-12
+2.5Round of 16🇺🇸 USA552♠♥7+2+10
+2.5Round of 16🇺🇸 USA562♥♣2+1+0
+2.3Round of 16🇺🇸 USA574♠♦5-1+12
+2.3Quarterfinal🇧🇷 BRAZIL133NT♥4+2+1
+2.3Final🇫🇷 FRANCE41♠♣Q=+5
+2.3Final🇫🇷 FRANCE574♠♦A-2-9
+2.1Round of 16🇺🇸 USA224♥♣K=-13
+2.0Round of 16🇺🇸 USA203♥♣7-1-1
+2.0Semifinal🇷🇺 RUSSIA83NT♣T=-1
+2.0Final🇫🇷 FRANCE533♦♠5=+0
+1.9Quarterfinal🇧🇷 BRAZIL73NT♠4+1+1
+1.9Quarterfinal🇧🇷 BRAZIL314♠x♥K-2-9
+1.7Semifinal🇷🇺 RUSSIA443♥♦3=+0
+1.7Final🇫🇷 FRANCE623♥♦6-1-2
+1.7Final🇫🇷 FRANCE776♣♠5=+0
+1.6Round of 16🇺🇸 USA194♥♦3=-1
+1.6Round of 16🇺🇸 USA594♥♠3+2+2
+1.6Quarterfinal🇧🇷 BRAZIL184♥♠K+1-11
+1.4Round of 16🇺🇸 USA213♠♥3-1+5
+1.4Round of 16🇺🇸 USA603NT♥6+1+0
+1.3Quarterfinal🇧🇷 BRAZIL54♥♠A+1+0
+1.3Quarterfinal🇧🇷 BRAZIL773NT♣J=+2
+1.3Semifinal🇷🇺 RUSSIA791♠♥6+2+0
+1.3Final🇫🇷 FRANCE85♣♥K-1+6
+1.3Final🇫🇷 FRANCE364♠♣6+3-12
+1.1Round of 16🇺🇸 USA271NT♥2=+8
+1.0Round of 16🇺🇸 USA141NT♦J=+0
+1.0Round of 16🇺🇸 USA503♦♥4+1-10
+1.0Semifinal🇷🇺 RUSSIA783♠♠2=-6
+1.0Semifinal🇷🇺 RUSSIA825♠♥Q-2+6
+1.0Semifinal🇷🇺 RUSSIA163NT♣J+2+1
+1.0Semifinal🇷🇺 RUSSIA343♣♣A+1+0
+1.0Final🇫🇷 FRANCE61NT♠8-1+2
+1.0Final🇫🇷 FRANCE632♠♥6=+0
+1.0Final🇫🇷 FRANCE722♠♣7-1+1
+0.9Round of 16🇺🇸 USA64♠♠2-2+5
+0.9Round of 16🇺🇸 USA237♦♥8=-2
+0.9Quarterfinal🇧🇷 BRAZIL113NT♦3+3-10
+0.8Round of 16🇺🇸 USA282♠♠3+1+0
+0.7Round of 16🇺🇸 USA44♥♦7-1+12
+0.7Round of 16🇺🇸 USA94♥♣T+1+0
+0.7Quarterfinal🇧🇷 BRAZIL662♣♦K=+0
+0.7Semifinal🇷🇺 RUSSIA403NT♥7+2+14
+0.7Final🇫🇷 FRANCE424♠♦10+2+1
+0.7Final🇫🇷 FRANCE594♥♥7+1-11
+0.6Round of 16🇺🇸 USA104♦♣A=+0
+0.4Quarterfinal🇧🇷 BRAZIL21NT♥9=+11
+0.4Quarterfinal🇧🇷 BRAZIL903NT♠5-1+12
+0.3Round of 16🇺🇸 USA163NT♠5+2+11
+0.3Quarterfinal🇧🇷 BRAZIL104♥♣A=+0
+0.3Quarterfinal🇧🇷 BRAZIL154♠♥4=+1
+0.3Semifinal🇷🇺 RUSSIA21NT♥6+2+2
+0.3Semifinal🇷🇺 RUSSIA144♠♦8+1+0
+0.3Semifinal🇷🇺 RUSSIA153♠♥J=-6
+0.3Semifinal🇷🇺 RUSSIA293NT♠Q+1+1
+0.3Semifinal🇷🇺 RUSSIA333♣♥4+1+0
+0.3Final🇫🇷 FRANCE91NT♠6=+0
+0.1Round of 16🇺🇸 USA112♠♥6=+0
+0.1Quarterfinal🇧🇷 BRAZIL224♠♣10-1-6
+0.1Quarterfinal🇧🇷 BRAZIL684♥♣K+1+0
+0.1Quarterfinal🇧🇷 BRAZIL702♣♥K+1-1
+0.1Quarterfinal🇧🇷 BRAZIL803NT♠3-2+0
-0.0Round of 16🇺🇸 USA73NT♣6+3-13
-0.0Round of 16🇺🇸 USA322♠♥3+2-10
-0.0Quarterfinal🇧🇷 BRAZIL844♠♠6=+0
-0.0Quarterfinal🇧🇷 BRAZIL934♠♥Q+1-4
-0.0Quarterfinal🇧🇷 BRAZIL944♠♣4+1+0
-0.0Semifinal🇷🇺 RUSSIA662♥♠9-2-5
-0.0Semifinal🇷🇺 RUSSIA704♠♠6+2-13
-0.0Semifinal🇷🇺 RUSSIA724♥♠3=+0
-0.0Semifinal🇷🇺 RUSSIA733♥♠K+2+13
-0.0Semifinal🇷🇺 RUSSIA745♠♦A+1+13
+0.0Semifinal🇷🇺 RUSSIA843NT♥7=-10
+0.0Semifinal🇷🇺 RUSSIA863NT♠6=+13
+0.0Semifinal🇷🇺 RUSSIA933NT♣3=-1
+0.0Semifinal🇷🇺 RUSSIA953NT♠2+2+0
-0.0Semifinal🇷🇺 RUSSIA105♠♣A=+0
-0.0Semifinal🇷🇺 RUSSIA114♠♣6+1+0
-0.0Semifinal🇷🇺 RUSSIA195♥♣7=+0
-0.0Semifinal🇷🇺 RUSSIA232♥+1-1
+0.0Final🇫🇷 FRANCE21NT♦6-1-1
+0.0Final🇫🇷 FRANCE37Pass+4
+0.0Final🇫🇷 FRANCE454♥♦Q+1+13
-0.0Final🇫🇷 FRANCE493NT♠Q-2+6
-0.0Final🇫🇷 FRANCE554♥♦K-2-13
-0.1Round of 16🇺🇸 USA533♠♣7-1-2
-0.1Round of 16🇺🇸 USA781NT♥A-1-3
-0.1Quarterfinal🇧🇷 BRAZIL142♠♥A=-8
-0.3Round of 16🇺🇸 USA242♦♣5+2+0
-0.3Semifinal🇷🇺 RUSSIA43NT♠3=-1
-0.3Final🇫🇷 FRANCE71NT♥J=-1
-0.3Final🇫🇷 FRANCE704♠♦K+1-1
-0.4Round of 16🇺🇸 USA303NT♥Q+1+0
-0.5Round of 16🇺🇸 USA703♠♦K+1-6
-0.6Quarterfinal🇧🇷 BRAZIL303NT♠5+2+0
-0.6Quarterfinal🇧🇷 BRAZIL323NT♣K=-1
-0.7Round of 16🇺🇸 USA54♠♣J=-1
-0.7Quarterfinal🇧🇷 BRAZIL203♣♠Q=-10
-0.7Semifinal🇷🇺 RUSSIA211NTx♣9-1+1
-0.7Semifinal🇷🇺 RUSSIA241NT♠6+1+0
-0.7Semifinal🇷🇺 RUSSIA264♦♥Q-2+9
-0.7Semifinal🇷🇺 RUSSIA274♠♥K+2-1
-0.7Final🇫🇷 FRANCE53NT♣3+1+0
-0.7Final🇫🇷 FRANCE134♠♣Q-1+3
-0.7Final🇫🇷 FRANCE463NT♣J+1+0
-0.7Final🇫🇷 FRANCE483NT♣3=-1
-1.0Quarterfinal🇧🇷 BRAZIL873NT♠3+1-12
-1.0Quarterfinal🇧🇷 BRAZIL963♠♦J+3-9
-1.0Semifinal🇷🇺 RUSSIA33♥♦A-4-9
-1.0Semifinal🇷🇺 RUSSIA372♠♣5=-6
-1.0Final🇫🇷 FRANCE163NT♣K-2-11
-1.0Final🇫🇷 FRANCE435♠♦4+1-14
-1.0Final🇫🇷 FRANCE671NT♥6-1+5
-1.1Quarterfinal🇧🇷 BRAZIL66♠x♠7-2-11
-1.1Quarterfinal🇧🇷 BRAZIL674♣x♥J-3+4
-1.2Round of 16🇺🇸 USA524♥♠K+1+0
-1.3Round of 16🇺🇸 USA313♦♥K-2-6
-1.3Round of 16🇺🇸 USA493NT♠Q=+0
-1.3Semifinal🇷🇺 RUSSIA53NT♠9=-11
-1.3Semifinal🇷🇺 RUSSIA62♥♦5-1+0
-1.3Semifinal🇷🇺 RUSSIA202♦♠Q-3-4
-1.3Semifinal🇷🇺 RUSSIA314♥♠K+1+0
-1.3Final🇫🇷 FRANCE334NT♠8+2-2
-1.3Final🇫🇷 FRANCE603♠♣Q+2-6
-1.3Final🇫🇷 FRANCE713♠♥9+1+10
-1.3Final🇫🇷 FRANCE783NT♣A-2-6
-1.4Quarterfinal🇧🇷 BRAZIL862♠♦6-2+6
-1.5Round of 16🇺🇸 USA151NT♠4+1-1
-1.6Round of 16🇺🇸 USA124♠♥A=+0
-1.6Quarterfinal🇧🇷 BRAZIL654♠♥Q+1+11
-1.7Round of 16🇺🇸 USA293♦♠3+1+0
-1.7Semifinal🇷🇺 RUSSIA325♦♠J+1+14
-1.9Round of 16🇺🇸 USA512♠♣K+2-1
-2.0Quarterfinal🇧🇷 BRAZIL12♦♣8=+7
-2.0Semifinal🇷🇺 RUSSIA94♠♦5-1-5
-2.0Final🇫🇷 FRANCE513♣♠5-2-11
-2.0Final🇫🇷 FRANCE524♠♠10-1-6
-2.0Final🇫🇷 FRANCE563♠♣A=+0
-2.0Final🇫🇷 FRANCE802♥♦J+1-12
-2.3Semifinal🇷🇺 RUSSIA253NT♥7-1+10
-2.3Final🇫🇷 FRANCE31NT♥6+2-2
-2.4Round of 16🇺🇸 USA582♠♥K-1-11
-2.6Round of 16🇺🇸 USA664♠♥6+2-1
-2.7Quarterfinal🇧🇷 BRAZIL253♠♣Q=-6
-2.7Quarterfinal🇧🇷 BRAZIL723♥♣6+1+4
-2.9Round of 16🇺🇸 USA733NT♠4=+1
-2.9Round of 16🇺🇸 USA743♥♣A=-10
-2.9Quarterfinal🇧🇷 BRAZIL783♠♠5=+0
-3.0Semifinal🇷🇺 RUSSIA753NT♥Q=+11
-3.1Quarterfinal🇧🇷 BRAZIL295♣x♣A-1-12
-3.3Round of 16🇺🇸 USA723NT♥7-1-5
-3.3Round of 16🇺🇸 USA772♠♥K=-10
-3.3Semifinal🇷🇺 RUSSIA924♣x♠8-2-2
-3.4Quarterfinal🇧🇷 BRAZIL733♠♥3=-1
-3.7Semifinal🇷🇺 RUSSIA13NT♥J-2-6
-3.7Final🇫🇷 FRANCE743♥♠3-1-6
-3.8Round of 16🇺🇸 USA805♠x♦A-3-5
-4.0Quarterfinal🇧🇷 BRAZIL263NT♠9-1-6
-4.0Final🇫🇷 FRANCE752♠♦7=-6
-4.3Semifinal🇷🇺 RUSSIA912♥♠A+1-1
-4.3Semifinal🇷🇺 RUSSIA76♥♦A=+0
-4.3Semifinal🇷🇺 RUSSIA123NT♥8+1+0
-4.4Quarterfinal🇧🇷 BRAZIL924♠♦Q-2-11
-4.5Round of 16🇺🇸 USA173NT♣Q-1-10
-4.6Round of 16🇺🇸 USA133NT♦2-2-3
-4.7Quarterfinal🇧🇷 BRAZIL755♦♣A-1-5
-4.7Semifinal🇷🇺 RUSSIA714♠♣9+2-12
-4.9Round of 16🇺🇸 USA82NT♣5-1-5
-5.0Semifinal🇷🇺 RUSSIA831NT♥Q+3-6
-5.0Final🇫🇷 FRANCE794♥♣J-4+7
-5.1Quarterfinal🇧🇷 BRAZIL851NTx♣4-2-5
-5.3Round of 16🇺🇸 USA611NT♥9+1-6
-5.3Semifinal🇷🇺 RUSSIA684♠♥6-2-8
-5.7Round of 16🇺🇸 USA684♥♠J=+0
-6.0Semifinal🇷🇺 RUSSIA304♥♦Q-1-5
-6.0Semifinal🇷🇺 RUSSIA363NT♥Q-4-6
-6.0Final🇫🇷 FRANCE614♥♣J-1-6
-6.1Round of 16🇺🇸 USA633NT♥J=+2
-6.1Quarterfinal🇧🇷 BRAZIL895♥♦7-1-9
-6.3Semifinal🇷🇺 RUSSIA813NT♥J-1-10
-6.3Final🇫🇷 FRANCE125♣♥J=+0
-6.4Quarterfinal🇧🇷 BRAZIL814♥x♠K-1-6
-7.0Final🇫🇷 FRANCE693NT♠K-2-11
-7.3Semifinal🇷🇺 RUSSIA433NT♦9-2-5
-7.3Final🇫🇷 FRANCE584♣♠A=-1
-7.7Final🇫🇷 FRANCE15♠x♣J-2-5
-7.7Final🇫🇷 FRANCE644♥♦2+1+0
-8.3Semifinal🇷🇺 RUSSIA775♠♣J-1-12
-8.7Final🇫🇷 FRANCE416♦♣Q=+2
-8.9Quarterfinal🇧🇷 BRAZIL763♠♣2+1-10
-9.4Quarterfinal🇧🇷 BRAZIL244♠♥6-1-11
-9.5Round of 16🇺🇸 USA794♠x♦J-2-12
-10.1Round of 16🇺🇸 USA646♠♣K+1+13
-10.7Semifinal🇷🇺 RUSSIA181♠x♦K=-11
-10.7Semifinal🇷🇺 RUSSIA356♥♠9=+0
-10.7Final🇫🇷 FRANCE353NT♥6=-11
-11.6Quarterfinal🇧🇷 BRAZIL194♥x♦3-2-3
-12.0Semifinal🇷🇺 RUSSIA286♦♣Q-1-10
-12.0Semifinal🇷🇺 RUSSIA382♦x♦2-4-12
-12.7Final🇫🇷 FRANCE406♦♥K-1-14