🇵🇱 SAKOWSKA Natalia · POLAND

11rank
+105.4Butler · 144 bds
+0.73per board
±4.5swing
+0.50vs par /bd · #23/83
+0.67adjusted /bd
Butler per round: 52.2 18.2 7.3 11.6 5.5 10.6 27.8 -4.9 -22.9by round

vs par split: bidding +0.26 · play +0.24

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.67/bd

Card play — on target: opening leads 70.0% #74 of 83 · declarer play 74.4% #29 of 83 · defence 88.4% #13 of 83

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (10)76.7% (30)
Declarer play100.0% (8)67.7% (31)
Defence88.9% (18)88.2% (51)

Opening leads by suit led: ♠ 62.5% (8) · ♥ 75.0% (12) · ♦ 100.0% (4) · ♣ 62.5% (16)

vs par by strain: NT -1.24 (38) · a suit +1.12 (106)

vs par by level: part-score +0.77 (62) · game +0.13 (75) · slam +2.00 (7)

By role: declaring +1.03/bd (-1.80 vs par · 75) · defending +0.41/bd (+3.00 vs par · 69)

By vulnerability: vulnerable +0.74/bd (+0.50 vs par · 72) · not vulnerable +0.73/bd (+0.50 vs par · 72)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.KazmuchaS.Bringold – J.CassinOpen16+52.2+3.26+1.44
Round 2D.KazmuchaM.Babot – M.PanaderoClosed16+18.2+1.14+2.62
Round 4D.KazmuchaG.Iribarren – S.BoldtClosed16+7.3+0.46+0.94
Round 6D.KazmuchaN.Senior – H.DhondyClosed16+11.6+0.72-0.31
Round 8D.KazmuchaD.Yavas – O.KandoluOpen16+5.5+0.34+1.56
Round 9D.KazmuchaS.Adamson – A.SymonsOpen16+10.6+0.66-1.88
Round 10D.KazmuchaP.Shah – V.ShahClosed16+27.8+1.74+2.12
Round 12D.KazmuchaM.Bourke – S.LuskClosed16-4.9-0.31+0.38
Round 13D.KazmuchaP.Tsai – H.SoClosed16-22.9-1.43-2.38

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
+11.6Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND116♣♠7=+0
+11.5Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND264♥x♦9=+11
+10.5Round 2🇪🇸 SPAIN324♥x♦3=+14
+10.1Round 1🇬🇵 GUADELOUPE102♠♣A-3+9
+9.5Round 10🇰🇪 KENYA195♠x♥J-1+0
+9.1Round 10🇰🇪 KENYA263♥♦8-2+8
+8.7Round 4🇦🇷 ARGENTINA214♠♠3=+7
+8.5Round 1🇬🇵 GUADELOUPE15♣♥6-1+14
+8.5Round 1🇬🇵 GUADELOUPE75♥x♠K=+8
+8.2Round 8🇹🇷 TURKEY286♣♥7+1+13
+7.7Round 12🇦🇺 AUSTRALIA246♦♣J-1+11
+7.5Round 10🇰🇪 KENYA281♠x♥10-2+9
+7.2Round 12🇦🇺 AUSTRALIA174♠♣Q-1+10
+7.0Round 1🇬🇵 GUADELOUPE134♥♠A=+3
+6.6Round 13🇹🇼 CHINESE TAIPEI63NT♦9-3+7
+6.5Round 12🇦🇺 AUSTRALIA324♠♣K=-1
+6.4Round 10🇰🇪 KENYA204♣♥K-1+9
+6.2Round 2🇪🇸 SPAIN274♥♠3-2+14
+6.2Round 8🇹🇷 TURKEY324♥♣5+1+1
+6.1Round 1🇬🇵 GUADELOUPE53♦♠9+1-7
+5.9Round 4🇦🇷 ARGENTINA305♦♥J-1+10
+5.7Round 4🇦🇷 ARGENTINA311♣x♥Q-1+8
+5.6Round 2🇪🇸 SPAIN174♥♠9=-1
+5.2Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND41NT♥2+1+0
+5.1Round 8🇹🇷 TURKEY243NT♥J+1+0
+4.9Round 4🇦🇷 ARGENTINA181NTx♥10=+3
+4.8Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND224♠♥3=+3
+4.8Round 8🇹🇷 TURKEY254♥♥J=-1
+4.7Round 1🇬🇵 GUADELOUPE35♦♥2+2+14
+4.6Round 8🇹🇷 TURKEY223NT♣7-1+5
+4.6Round 10🇰🇪 KENYA271NT♣J+3-6
+4.4Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND313♦♣2+1+0
+3.8Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND205♥♠A=-13
+3.7Round 1🇬🇵 GUADELOUPE63♦♠9+2+6
+3.7Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND82♦♥A-2+0
+3.4Round 2🇪🇸 SPAIN242♥♠K=+5
+3.3Round 10🇰🇪 KENYA223NT♥5=-1
+3.3Round 13🇹🇼 CHINESE TAIPEI83♥♦9-2+0
+3.2Round 2🇪🇸 SPAIN303NT♠2-1+5
+3.1Round 12🇦🇺 AUSTRALIA282♣♦A+1-1
+2.6Round 2🇪🇸 SPAIN263NT♥3-1+6
+2.6Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND172♠♣8-3+6
+2.5Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND34♥♣6=+1
+2.5Round 12🇦🇺 AUSTRALIA232♥♣4+1+8
+2.2Round 2🇪🇸 SPAIN183♣♦4+1+0
+2.2Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND253NT♠2=+10
+2.2Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND274♥♠K-1-2
+2.2Round 12🇦🇺 AUSTRALIA224♠♣8+2+11
+2.2Round 13🇹🇼 CHINESE TAIPEI154♠♥J-1+2
+2.1Round 2🇪🇸 SPAIN284♥♠5+2-14
+2.0Round 12🇦🇺 AUSTRALIA264♠♦J+1+0
+1.9Round 1🇬🇵 GUADELOUPE43♦♠A=+0
+1.9Round 2🇪🇸 SPAIN202♣♥8=-1
+1.8Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND15♣♠10-1-5
+1.6Round 12🇦🇺 AUSTRALIA212NT♠9-2+7
+1.5Round 4🇦🇷 ARGENTINA324♥♣A-1-3
+1.2Round 1🇬🇵 GUADELOUPE153♥♦8-1+0
+1.2Round 4🇦🇷 ARGENTINA283♠♥3=+0
+1.2Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND191NT♦2-1-1
+1.2Round 10🇰🇪 KENYA213NT♦3+2+0
+1.2Round 10🇰🇪 KENYA233♠♥A+1+10
+1.1Round 1🇬🇵 GUADELOUPE163♠♦2+1-10
+1.1Round 2🇪🇸 SPAIN234♠♥6+2+13
+1.1Round 13🇹🇼 CHINESE TAIPEI163NT♣2+1-1
+1.0Round 1🇬🇵 GUADELOUPE124♠♥4+1+0
+1.0Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND132♥♠K=-1
+0.9Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND23NT♥2+1-1
+0.9Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND72♠♥10=+0
+0.8Round 4🇦🇷 ARGENTINA234♥♣2=+0
+0.8Round 10🇰🇪 KENYA323♥♦7=+7
+0.7Round 1🇬🇵 GUADELOUPE112NT♣4=+0
+0.7Round 8🇹🇷 TURKEY274♥♣J=-1
+0.7Round 10🇰🇪 KENYA174♥♣Q=+1
+0.6Round 4🇦🇷 ARGENTINA292♠♦7=+6
+0.5Round 1🇬🇵 GUADELOUPE83NT♦4+1-1
+0.5Round 2🇪🇸 SPAIN213♦♣J-1+10
+0.5Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND283♦♥8+1-7
+0.5Round 8🇹🇷 TURKEY201NT♣4=+1
+0.5Round 10🇰🇪 KENYA244♥♠4=+1
+0.5Round 13🇹🇼 CHINESE TAIPEI103♥♦A=+0
+0.3Round 4🇦🇷 ARGENTINA243♦♣2+1-7
+0.2Round 4🇦🇷 ARGENTINA273♣♠A+1+7
+0.2Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND304♣♦3-1+2
+0.2Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND323NT♠7=-2
-0.0Round 1🇬🇵 GUADELOUPE93NT♦4+3-13
-0.0Round 4🇦🇷 ARGENTINA204♥♠K+1+0
-0.0Round 8🇹🇷 TURKEY261NT♣6+2+1
-0.2Round 1🇬🇵 GUADELOUPE141NT♣A-2+1
-0.2Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND93NT♣Q+3-13
-0.2Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND101NT♣5=+1
-0.2Round 13🇹🇼 CHINESE TAIPEI146♦♠5+1-11
-0.5Round 2🇪🇸 SPAIN195♦♥A=-1
-0.5Round 13🇹🇼 CHINESE TAIPEI24♠♠4+2-1
-0.7Round 8🇹🇷 TURKEY292♠♦5+1+11
-0.7Round 13🇹🇼 CHINESE TAIPEI74♥♠6+1+0
-0.8Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND242♠♥A=+0
-0.9Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND63NT♣5+1+0
-0.9Round 13🇹🇼 CHINESE TAIPEI123♦♠A=+1
-1.2Round 8🇹🇷 TURKEY172♥♠J+1+0
-1.2Round 8🇹🇷 TURKEY233♠♣J=+0
-1.4Round 4🇦🇷 ARGENTINA171NT♣A=-8
-1.4Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND235♦♥8-1-6
-1.5Round 2🇪🇸 SPAIN222♥♣7-1+0
-1.5Round 10🇰🇪 KENYA316♥♦8+1+13
-1.5Round 12🇦🇺 AUSTRALIA312♦♣J+2+11
-1.6Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND122♣♠5-1+1
-1.8Round 8🇹🇷 TURKEY314♠♣J=+0
-2.2Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND164♠♦2-2+0
-2.2Round 12🇦🇺 AUSTRALIA294♠♥4+1+0
-2.3Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND144♠♣8=+0
-2.3Round 13🇹🇼 CHINESE TAIPEI54♠♣4+1+0
-2.4Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND54♠♣A+1-2
-2.4Round 13🇹🇼 CHINESE TAIPEI91NT♥4+3+6
-2.5Round 10🇰🇪 KENYA294♠♦A-1-6
-2.6Round 1🇬🇵 GUADELOUPE22NT♥J+1-1
-2.6Round 12🇦🇺 AUSTRALIA193♥♠9+1-10
-2.6Round 12🇦🇺 AUSTRALIA274♠♥5+1+0
-3.0Round 2🇪🇸 SPAIN312♥♠8=+0
-3.0Round 10🇰🇪 KENYA256♠♣7+1-1
-3.1Round 4🇦🇷 ARGENTINA195♣♥Q-1-2
-3.2Round 10🇰🇪 KENYA302♥♣9+1-6
-3.2Round 12🇦🇺 AUSTRALIA202♦♥7+2-10
-3.2Round 13🇹🇼 CHINESE TAIPEI13NT♥6-2-5
-3.4Round 8🇹🇷 TURKEY304♠x♥3-2+0
-3.7Round 8🇹🇷 TURKEY211NT♠T=+0
-3.7Round 13🇹🇼 CHINESE TAIPEI32♥♣3+1-6
-4.1Round 4🇦🇷 ARGENTINA254♥♣3+1+11
-4.1Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND183NT♦10-1-5
-4.1Round 13🇹🇼 CHINESE TAIPEI113♣♠4=+0
-5.1Round 4🇦🇷 ARGENTINA222♥x♦A-1-7
-5.7Round 8🇹🇷 TURKEY185♠x♥A-2-5
-5.9Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND293NT♠2+1-1
-6.4Round 12🇦🇺 AUSTRALIA254♥x♠7+1-6
-6.8Round 10🇰🇪 KENYA183NT♥J+1-4
-6.9Round 8🇹🇷 TURKEY193NT♠9=+0
-7.2Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND153NT♣K-2-11
-7.9Round 2🇪🇸 SPAIN254♣x♣3=-3
-8.2Round 2🇪🇸 SPAIN294♥x♣A=-5
-8.8Round 4🇦🇷 ARGENTINA263NT♦3=-10
-8.8Round 13🇹🇼 CHINESE TAIPEI43NT♥K-2-16
-9.1Round 12🇦🇺 AUSTRALIA184♥♣9+1-13
-9.8Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND213NT♣2+1+0
-9.8Round 13🇹🇼 CHINESE TAIPEI133♣♦10-3-14
-10.1Round 12🇦🇺 AUSTRALIA306♣♦A-2-11