🇵🇱 SAKOWSKA Natalia · POLAND

48rank
+30.9Butler · 239 bds
+0.13per board
±4.5swing
+0.23vs par /bd · #43/126
+0.08adjusted /bd
Butler per round: 9.1 12.3 29.5 5.1 0.1 8.4 18.1 -40.2 -2.9 2.5 -3.1 2.5 13.7 9.2 -33.4by round

vs par split: bidding +0.01 · play +0.21

Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted +0.08/bd

Card play — on target: opening leads 82.3% #40 of 126 · declarer play 74.2% #60 of 126 · defence 88.0% #19 of 126

Card play by contract type — on target
vs NTvs a suit
Opening leads62.5% (16)89.1% (46)
Declarer play68.2% (22)77.5% (40)
Defence78.4% (37)92.0% (88)

Opening leads by suit led: ♠ 87.0% (23) · ♥ 63.6% (11) · ♦ 85.7% (21) · ♣ 85.7% (7)

vs par by strain: NT +0.06 (73) · a suit +0.30 (165)

vs par by level: part-score +0.99 (95) · game -0.08 (133) · slam -3.00 (10)

By role: declaring +0.41/bd (-1.86 vs par · 114) · defending -0.12/bd (+2.14 vs par · 125)

By vulnerability: vulnerable +0.31/bd (+0.53 vs par · 119) · not vulnerable -0.05/bd (-0.06 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1P.ButrynC.Vincent – M.SasselliOpen16+9.1+0.57+2.38
Round 3P.ButrynM.Gronkvist – I.GronkvistOpen16+12.3+0.77-0.88
Round 4P.ButrynM.Witvliet – J.Van CleeffOpen16+29.5+1.84+0.75
Round 5P.ButrynM.Mestric – M.PilipovicClosed16+5.1+0.32+3.00
Round 7P.ButrynL.Cima – B.DessiOpen16+0.1+0.01+0.50
Round 8P.ButrynI.Andersone – E.LavendelisClosed16+8.4+0.53-0.12
Round 10P.ButrynK.Mezei – L.HontiOpen16+18.1+1.13+1.44
Round 12P.ButrynL.Thuillez – V.ReessOpen16-40.2-2.51-3.25
Round 14P.ButrynB.Dehaye – I.DewasmeOpen16-2.9-0.18-1.56
Round 15P.ButrynB.Kutuk – O.EkinciClosed16+2.5+0.16-0.19
Round 16P.ButrynS.Newell – M.McauliffeOpen16-3.1-0.19+1.25
Round 18P.ButrynM.Simic – J.KosticClosed15+2.5+0.17+1.20
Round 19P.ButrynM.Byrne – S.BellOpen16+13.7+0.86-1.69
Round 20P.ButrynM.Anjer – A.SaeterdalClosed16+9.2+0.57+0.56
Round 21P.ButrynS.Buus Thomsen – P.JepsenClosed16-33.4-2.09+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
+12.8Round 4🇳🇱 NETHERLANDS202♥x♠Q-5-1
+12.6Round 4🇳🇱 NETHERLANDS213♠x♠7+2+14
+11.1Round 20🇳🇴 NORWAY183NT♥K+1+11
+11.0Round 18🇷🇸 SERBIA304♥♣K-1+11
+9.7Round 7🇮🇹 ITALY32♠♣4+4+15
+9.0Round 3🇸🇪 SWEDEN44♠x♣Q-4+10
+9.0Round 3🇸🇪 SWEDEN104♠♦8=+0
+8.6Round 8🇱🇻 LATVIA242♥♣5=+11
+8.5Round 10🇭🇺 HUNGARY284♥♦2-1+10
+8.4Round 8🇱🇻 LATVIA283NT♠Q=+10
+8.1Round 16🇮🇪 IRELAND223NT♥6-2+8
+7.9Round 15🇹🇷 TURKIYE24♥♣2+1+4
+7.4Round 14🇧🇪 BELGIUM303♦♥J-2+9
+7.3Round 18🇷🇸 SERBIA185♦♦3=+11
+7.0Round 7🇮🇹 ITALY144♥♣5-1+10
+7.0Round 14🇧🇪 BELGIUM325♦♠A-2+8
+6.9Round 1🇨🇭 SWITZERLAND132♣xx♣A-1+8
+6.9Round 8🇱🇻 LATVIA306♦♣A=+9
+6.8Round 21🇩🇰 DENMARK44♠♣6+2+12
+6.5Round 4🇳🇱 NETHERLANDS303NT♠5-1+10
+6.5Round 14🇧🇪 BELGIUM262♥♣3-4+7
+6.3Round 7🇮🇹 ITALY24♠♥2-2+8
+6.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND116♠♣K=-11
+5.9Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43NT♣4=+10
+5.8Round 1🇨🇭 SWITZERLAND43♣♥2+1+11
+5.8Round 10🇭🇺 HUNGARY303♠♦2-1+5
+5.7Round 5🇭🇷 CROATIA102♥x♥Q-3+5
+5.5Round 15🇹🇷 TURKIYE135♣x♠A-1+0
+5.4Round 3🇸🇪 SWEDEN33NT♦6-2+8
+5.2Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND151♥x♦2-1+5
+4.9Round 16🇮🇪 IRELAND235♦♠Q=-1
+4.9Round 18🇷🇸 SERBIA243♠♦K-1+10
+4.9Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103♠♥A-1+0
+4.7Round 15🇹🇷 TURKIYE84♥♦8+1+1
+4.6Round 1🇨🇭 SWITZERLAND125♦♣K-2+5
+4.6Round 5🇭🇷 CROATIA163NT♠6-1+6
+4.2Round 7🇮🇹 ITALY62♦♦A+2+7
+4.1Round 5🇭🇷 CROATIA153♣♦A=+6
+4.0Round 1🇨🇭 SWITZERLAND75♣♦3-2+8
+4.0Round 10🇭🇺 HUNGARY183NT♣J-3+7
+4.0Round 12🇫🇷 FRANCE204♥♠A=+0
+4.0Round 18🇷🇸 SERBIA295♦x♥J-1+0
+3.7Round 16🇮🇪 IRELAND252♥♥3-2+11
+3.5Round 1🇨🇭 SWITZERLAND154♦♣A=+0
+3.5Round 5🇭🇷 CROATIA74♠♥K-2+15
+3.4Round 3🇸🇪 SWEDEN92♠♣2=-1
+3.4Round 15🇹🇷 TURKIYE94♥♦A=+0
+3.4Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND144♠♥4=+3
+3.4Round 20🇳🇴 NORWAY272♣♠7-3-4
+3.3Round 4🇳🇱 NETHERLANDS242♠♠7-1+5
+3.3Round 20🇳🇴 NORWAY173NT♠3=-1
+3.2Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♥♣Q+1+0
+3.1Round 10🇭🇺 HUNGARY193NT♠Q-1+6
+3.0Round 4🇳🇱 NETHERLANDS274♠♥A-1+10
+3.0Round 5🇭🇷 CROATIA143♠♦4+1+6
+3.0Round 10🇭🇺 HUNGARY172♠♥J+1+1
+2.9Round 3🇸🇪 SWEDEN12♠♦A+1+1
+2.8Round 8🇱🇻 LATVIA222♥♦2=-1
+2.8Round 16🇮🇪 IRELAND301NT♥7+2+2
+2.7Round 7🇮🇹 ITALY162♥♦10=+0
+2.6Round 8🇱🇻 LATVIA174♠♦Q=+0
+2.6Round 18🇷🇸 SERBIA311NT♠5-1+5
+2.5Round 4🇳🇱 NETHERLANDS183NT♠J-1+5
+2.4Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63♥♠3-1+6
+2.3Round 4🇳🇱 NETHERLANDS194NT♥10+1-11
+2.2Round 7🇮🇹 ITALY53♦♣2=+5
+2.2Round 16🇮🇪 IRELAND203♥♠A-2+2
+2.1Round 5🇭🇷 CROATIA53NT♥Q=+3
+2.1Round 15🇹🇷 TURKIYE123NT♥A-1+10
+2.0Round 1🇨🇭 SWITZERLAND143♠♦A+1+7
+2.0Round 15🇹🇷 TURKIYE13NT♠J+2-10
+2.0Round 21🇩🇰 DENMARK123♠♣7-2-11
+1.8Round 10🇭🇺 HUNGARY204♥♠Q+2-12
+1.8Round 14🇧🇪 BELGIUM272♠♥Q=+0
+1.8Round 16🇮🇪 IRELAND173NT♥6=+0
+1.6Round 4🇳🇱 NETHERLANDS223♥♠10-1-4
+1.6Round 8🇱🇻 LATVIA293♥♠K-2+9
+1.6Round 14🇧🇪 BELGIUM281NT♠6-1-1
+1.5Round 14🇧🇪 BELGIUM242♥♣6-2+7
+1.3Round 18🇷🇸 SERBIA192♥♦3-1+11
+1.3Round 20🇳🇴 NORWAY263NT♥8+4+12
+1.3Round 21🇩🇰 DENMARK154♦♠K+1+7
+1.2Round 14🇧🇪 BELGIUM252♦♣Q=-1
+1.1Round 4🇳🇱 NETHERLANDS31Pass+3
+1.0Round 10🇭🇺 HUNGARY324♠♥2+1+0
+1.0Round 15🇹🇷 TURKIYE153NT♥A+2+11
+1.0Round 20🇳🇴 NORWAY251NT♠Q-1-1
+0.9Round 1🇨🇭 SWITZERLAND164♠♣A+1+13
+0.9Round 3🇸🇪 SWEDEN73NT♥3+1+0
+0.9Round 4🇳🇱 NETHERLANDS292♥♠6+2+1
+0.9Round 5🇭🇷 CROATIA92♠♦2-2+2
+0.9Round 10🇭🇺 HUNGARY222♦♠5+1+11
+0.9Round 16🇮🇪 IRELAND263NT♣7+3+1
+0.7Round 1🇨🇭 SWITZERLAND34♠♦2-1-1
+0.7Round 1🇨🇭 SWITZERLAND51NT♣5-1+1
+0.7Round 7🇮🇹 ITALY12♠♣A+1+0
+0.7Round 21🇩🇰 DENMARK23NT♦Q=+2
+0.6Round 3🇸🇪 SWEDEN54♥♣K+1+0
+0.6Round 12🇫🇷 FRANCE275♠♣5=+0
+0.6Round 15🇹🇷 TURKIYE34♥♠Q=+13
+0.6Round 20🇳🇴 NORWAY244♠♣7+2-11
+0.5Round 4🇳🇱 NETHERLANDS173NT♥J+3-11
+0.5Round 20🇳🇴 NORWAY324♥♠K+1+0
+0.4Round 5🇭🇷 CROATIA64♠♣K+2+12
+0.4Round 14🇧🇪 BELGIUM203NT♠5+1-13
+0.4Round 15🇹🇷 TURKIYE54♠♣J=+0
+0.4Round 21🇩🇰 DENMARK64♥♦5-1+5
+0.3Round 8🇱🇻 LATVIA194NT♣6=+1
+0.3Round 20🇳🇴 NORWAY313NT♥6=+1
+0.3Round 21🇩🇰 DENMARK34♠♦2=+0
+0.2Round 16🇮🇪 IRELAND293NT♥5+1+1
+0.2Round 20🇳🇴 NORWAY203NT♥8+1+0
+0.2Round 21🇩🇰 DENMARK72♣♠A+1+9
+0.1Round 10🇭🇺 HUNGARY213♣♠A+1+0
+0.1Round 16🇮🇪 IRELAND284♠♣8+1-1
+0.1Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♥♠2+1+0
+0.1Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND165♦x♥2-1+0
+0.1Round 21🇩🇰 DENMARK144♥♣A+2-11
+0.0Round 3🇸🇪 SWEDEN153♣♥4=-1
-0.0Round 5🇭🇷 CROATIA32♠♣5=-1
+0.0Round 7🇮🇹 ITALY105♠♣K=+0
+0.0Round 8🇱🇻 LATVIA271NT♦5+1-7
+0.0Round 12🇫🇷 FRANCE294♥♠K+2-13
+0.0Round 14🇧🇪 BELGIUM234♥♦8-2-12
+0.0Round 15🇹🇷 TURKIYE102♠♣10+2+1
-0.0Round 18🇷🇸 SERBIA273NT♦K=-1
-0.0Round 20🇳🇴 NORWAY193♠♣A=+0
-0.1Round 10🇭🇺 HUNGARY241NT♣4=-1
-0.1Round 16🇮🇪 IRELAND214♥♣2=+0
-0.1Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♣J+2+0
-0.2Round 4🇳🇱 NETHERLANDS251NT♦2-1+2
-0.2Round 4🇳🇱 NETHERLANDS321NT♣6-2+1
-0.2Round 5🇭🇷 CROATIA114♦♣A=+0
-0.2Round 10🇭🇺 HUNGARY263♠♥A-3+8
-0.2Round 18🇷🇸 SERBIA173NT♣10+1+0
-0.3Round 1🇨🇭 SWITZERLAND61NT♠5-2+1
-0.3Round 1🇨🇭 SWITZERLAND103♦♣K=+0
-0.3Round 7🇮🇹 ITALY72♥♠K+2+10
-0.3Round 7🇮🇹 ITALY133♠♣8=-10
-0.3Round 12🇫🇷 FRANCE174♠♦10=+0
-0.3Round 15🇹🇷 TURKIYE65♣♦A=-2
-0.4Round 8🇱🇻 LATVIA203NT♦6+1-1
-0.4Round 10🇭🇺 HUNGARY313NT♣9=+0
-0.4Round 20🇳🇴 NORWAY233NT♦3+3-13
-0.5Round 10🇭🇺 HUNGARY253NT♦8+2-1
-0.5Round 20🇳🇴 NORWAY224♥♦10=+1
-0.6Round 1🇨🇭 SWITZERLAND86♠♣J=-5
-0.6Round 5🇭🇷 CROATIA134♠♦6+1+0
-0.6Round 8🇱🇻 LATVIA313♣♦4=+0
-0.7Round 5🇭🇷 CROATIA81NT♥2+2+0
-0.8Round 7🇮🇹 ITALY122♥♣8=+0
-0.8Round 16🇮🇪 IRELAND244♥♠Q=+0
-0.8Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93NT♠5-2-6
-0.8Round 21🇩🇰 DENMARK134♠♦Q=+1
-0.9Round 3🇸🇪 SWEDEN132♥♣7-1-5
-0.9Round 18🇷🇸 SERBIA223NT♥9+1+1
-1.0Round 3🇸🇪 SWEDEN124♥♠8=+0
-1.0Round 4🇳🇱 NETHERLANDS262♦♠5+1+1
-1.0Round 7🇮🇹 ITALY113NT♠2+1-1
-1.0Round 20🇳🇴 NORWAY294♠♥J=+17
-1.1Round 12🇫🇷 FRANCE311NT♣7+3+6
-1.2Round 3🇸🇪 SWEDEN83NT♣4+1-10
-1.2Round 5🇭🇷 CROATIA21NT♠7+1+7
-1.2Round 14🇧🇪 BELGIUM294♠♥10+1+0
-1.2Round 21🇩🇰 DENMARK114♥♠J+1+0
-1.5Round 5🇭🇷 CROATIA123NT♥2+1-1
-1.5Round 12🇫🇷 FRANCE233NT♦7+2-1
-1.5Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123NT♠6+1+0
-1.5Round 20🇳🇴 NORWAY284♠♦5+1+0
-1.6Round 3🇸🇪 SWEDEN24♥♦J=+0
-1.6Round 3🇸🇪 SWEDEN62♠♦9=-6
-1.6Round 12🇫🇷 FRANCE303NT♥J+1+1
-1.6Round 18🇷🇸 SERBIA325♣♦A-1-3
-1.8Round 8🇱🇻 LATVIA212♠♥8-1+4
-1.8Round 12🇫🇷 FRANCE243♠♦4+1-6
-1.9Round 12🇫🇷 FRANCE264♠♦3-2-7
-1.9Round 12🇫🇷 FRANCE283♠♦A=-6
-2.1Round 3🇸🇪 SWEDEN113NT♠2+1+0
-2.1Round 14🇧🇪 BELGIUM193NT♠J+2-1
-2.2Round 1🇨🇭 SWITZERLAND24♥♦K=+0
-2.2Round 12🇫🇷 FRANCE182♠♥7=+0
-2.2Round 14🇧🇪 BELGIUM183NT♣Q-1+0
-2.2Round 16🇮🇪 IRELAND272♥♣A=+0
-2.3Round 8🇱🇻 LATVIA254♠♣7-3-6
-2.3Round 10🇭🇺 HUNGARY295♥♠Q=-4
-2.3Round 15🇹🇷 TURKIYE73♠♣4+1-8
-2.4Round 12🇫🇷 FRANCE222NT♦5-2+0
-2.4Round 18🇷🇸 SERBIA231NT♠3=+0
-2.5Round 15🇹🇷 TURKIYE41NT♠Q+1-1
-2.6Round 1🇨🇭 SWITZERLAND91NT♥2-2-5
-2.6Round 21🇩🇰 DENMARK84♥♦K+1+0
-2.8Round 8🇱🇻 LATVIA322♥♣Q+2-6
-2.9Round 16🇮🇪 IRELAND195♥♠8+1+3
-3.0Round 10🇭🇺 HUNGARY233♥♦5=+0
-3.0Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♥♣J+3-14
-3.2Round 1🇨🇭 SWITZERLAND14♠x♥3-2-5
-3.2Round 8🇱🇻 LATVIA183NT♠J+1-12
-3.3Round 15🇹🇷 TURKIYE113NT♥Q-1-8
-3.4Round 4🇳🇱 NETHERLANDS235♣♠A=+0
-3.4Round 14🇧🇪 BELGIUM224♥♠10=-10
-3.5Round 15🇹🇷 TURKIYE144♠♥10=-1
-3.6Round 10🇭🇺 HUNGARY273♣♠A=-7
-3.7Round 14🇧🇪 BELGIUM172♥♥Q=-5
-3.9Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND52♠♥A=-5
-4.0Round 3🇸🇪 SWEDEN163♣♠9-2-5
-4.0Round 18🇷🇸 SERBIA282♥♥4=-9
-4.0Round 20🇳🇴 NORWAY213NT♥A=+0
-4.2Round 12🇫🇷 FRANCE214♥♦A-1-12
-4.2Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND132NT♥4+1-1
-4.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND36♠♦8-1-14
-4.8Round 5🇭🇷 CROATIA13NT♦6=+1
-5.1Round 20🇳🇴 NORWAY304♠♣5=-3
-5.2Round 21🇩🇰 DENMARK163NT♦9=+1
-5.4Round 7🇮🇹 ITALY93♠♣4-1-12
-5.5Round 12🇫🇷 FRANCE253NT♠7-1-10
-5.6Round 8🇱🇻 LATVIA234♠♦A+1-1
-5.6Round 16🇮🇪 IRELAND325♣♦A=+1
-6.0Round 18🇷🇸 SERBIA264♣x♣A-1-2
-6.1Round 8🇱🇻 LATVIA264♥♣K-1-12
-6.3Round 16🇮🇪 IRELAND183NT♣5+1-7
-6.5Round 3🇸🇪 SWEDEN143♦♠J=-5
-6.5Round 18🇷🇸 SERBIA203♣♥9+2-10
-6.7Round 14🇧🇪 BELGIUM314♥♠7+2-2
-7.0Round 18🇷🇸 SERBIA253NT♥Q-2-6
-7.0Round 21🇩🇰 DENMARK14♥♠5=-8
-7.1Round 7🇮🇹 ITALY86♥♠J=+0
-7.4Round 7🇮🇹 ITALY152♠♥A-3-7
-8.5Round 21🇩🇰 DENMARK56♦♠A=+2
-8.7Round 12🇫🇷 FRANCE194♠♦K+1-4
-9.2Round 21🇩🇰 DENMARK103NT♣8-1-6
-9.9Round 16🇮🇪 IRELAND317♣♦J=+0
-10.2Round 5🇭🇷 CROATIA45♦♥7-2-13
-10.4Round 7🇮🇹 ITALY45♦♠2+2-17
-10.7Round 21🇩🇰 DENMARK93NT♠5+1+0
-10.8Round 1🇨🇭 SWITZERLAND117♠♠5=+0
-11.0Round 14🇧🇪 BELGIUM216♣♥Q=-11
-11.7Round 12🇫🇷 FRANCE326♥♦J=+0
-12.8Round 4🇳🇱 NETHERLANDS285♥♣8-1-13
-13.2Round 15🇹🇷 TURKIYE163♣x♥3+1-13