🇵🇱 SAKOWSKA Natalia · POLAND

17rank
+146.0Butler · 240 bds
+0.61per board
±4.5swing
+0.12vs par /bd · #60/136
+0.57adjusted /bd
Butler per round: 1.6 10.9 -11.2 -13.5 -1.4 -0.6 29.5 -3.8 16.1 37.6 6.7 65.1 -6.3 10.6 4.7by round

vs par split: bidding -0.20 · play +0.31

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted +0.57/bd

Card play — on target: opening leads 69.2% #132 of 136 · declarer play 87.0% #2 of 136 · defence 87.4% #31 of 136

Card play by contract type — on target
vs NTvs a suit
Opening leads54.5% (22)76.7% (43)
Declarer play92.3% (13)85.4% (41)
Defence82.4% (34)89.4% (85)

Opening leads by suit led: ♠ 76.9% (13) · ♥ 61.1% (18) · ♦ 78.3% (23) · ♣ 54.5% (11)

vs par by strain: NT +0.35 (71) · a suit +0.01 (168)

vs par by level: part-score -0.13 (102) · game -0.14 (118) · slam +2.95 (19)

By role: declaring +0.84/bd (-1.05 vs par · 121) · defending +0.37/bd (+1.32 vs par · 119)

By vulnerability: vulnerable +0.53/bd (-0.12 vs par · 120) · not vulnerable +0.69/bd (+0.37 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1P.ButrynS.Fischer – P.RankinClosed16+1.6+0.10-0.12
Round 3P.ButrynA.Brito – J.De CarvalhoOpen16+10.9+0.68+0.00
Round 5P.ButrynM.Zur-Campanile – C.WillenkenClosed16-11.2-0.70+0.25
Round 6P.ButrynM.Itabashi – H.EythorsdottirClosed16-13.5-0.84-0.75
Round 8P.ButrynH.Haeusler – D.Von ArnimClosed16-1.4-0.09+0.44
Round 10P.ButrynR.Benin-Barr – Y.ZackClosed16-0.6-0.04-0.19
Round 12P.ButrynF.Tepedino – M.RuefenachtClosed16+29.5+1.84+3.19
Round 13P.ButrynB.Satyanarayana – K.NadarOpen16-3.8-0.24-1.00
Round 15P.ButrynR.Angeleri – I.ElkinClosed16+16.1+1.01-1.06
Round 16P.ButrynB.Dehaye – I.DewasmeClosed16+37.6+2.35-0.56
Round 17P.ButrynA.Mohamed Ahmed – F.MandiliClosed16+6.7+0.42+0.12
Round 18P.ButrynS.Teo – J.OngClosed16+65.1+4.07+2.88
Round 20P.ButrynP.Schmidt – J.ZochowskaOpen16-6.3-0.39-1.81
Round 21P.ButrynR.Verdegaal – M.ThieleClosed16+10.6+0.66-0.50
Round 22P.ButrynC.Krefeld – J.HammelevClosed16+4.7+0.29+1.00

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
+18.3Round 3🇵🇹 PORTUGAL97♠x♣K-6+19
+16.2Round 15🇦🇷 ARGENTINA133♣x♥A-5+16
+12.3Round 18🇸🇬 SINGAPORE295♥x♠A-3+12
+11.7Round 22🇩🇰 DENMARK183NT♠2-3+14
+10.3Round 15🇦🇷 ARGENTINA53♣♠K+1+14
+10.0Round 12🇬🇹 GUATEMALA201NT♥A=+12
+10.0Round 18🇸🇬 SINGAPORE266♠♣5-1+13
+9.6Round 18🇸🇬 SINGAPORE186♣♥A-1+13
+9.4Round 18🇸🇬 SINGAPORE287♠♥10-1+14
+9.1Round 5🇺🇸 USA 152♣♣K-5+9
+8.4Round 5🇺🇸 USA 1155♣♦Q-1+2
+8.1Round 18🇸🇬 SINGAPORE196♥x♦Q-5-7
+8.0Round 16🇧🇪 BELGIUM312♣x♣2-4+5
+7.9Round 17🇪🇬 EGYPT123NT♥5-1+10
+7.7Round 12🇬🇹 GUATEMALA182♥♠Q-1+10
+7.7Round 16🇧🇪 BELGIUM213NT♦5+3+1
+7.7Round 18🇸🇬 SINGAPORE227NT♣3-2+17
+7.2Round 21🇳🇱 NETHERLANDS103NT♥2-4+6
+7.0Round 18🇸🇬 SINGAPORE236♣♥3-1-3
+6.8Round 12🇬🇹 GUATEMALA316♠♣A=+13
+6.6Round 6🇺🇸 USA 2173NT♥A-3+12
+6.5Round 21🇳🇱 NETHERLANDS44♣♠9=+8
+6.4Round 16🇧🇪 BELGIUM326♠♦6+1-11
+6.2Round 1🇦🇺 AUSTRALIA86♥♦3=+0
+6.2Round 22🇩🇰 DENMARK192♦x♦6=+7
+6.0Round 5🇺🇸 USA 1124♠♠4=+0
+5.8Round 8🇩🇪 GERMANY316♦♥3=-2
+5.8Round 15🇦🇷 ARGENTINA152♥♠Q+2+9
+5.8Round 16🇧🇪 BELGIUM243NT♠Q+1+1
+5.6Round 18🇸🇬 SINGAPORE243NT♠2=+0
+5.3Round 3🇵🇹 PORTUGAL134♠x♥K=+5
+5.2Round 16🇧🇪 BELGIUM205♦x♥5=-12
+4.8Round 12🇬🇹 GUATEMALA251NT♥10=+5
+4.7Round 22🇩🇰 DENMARK214♥♣J-1+6
+4.6Round 8🇩🇪 GERMANY203♦♠6-1+6
+4.5Round 10🇮🇱 ISRAEL223NT♦2-5+8
+4.5Round 10🇮🇱 ISRAEL312♠♦8+1+1
+4.3Round 10🇮🇱 ISRAEL233NT♠J+1+10
+4.3Round 18🇸🇬 SINGAPORE273NT♠10=+6
+4.1Round 6🇺🇸 USA 2204♥♥J=+0
+4.0Round 16🇧🇪 BELGIUM224♥♦5-1-1
+4.0Round 21🇳🇱 NETHERLANDS74♥♠7+2+1
+4.0Round 22🇩🇰 DENMARK204♥♦3-1-1
+3.8Round 21🇳🇱 NETHERLANDS87♠♠5=+0
+3.5Round 6🇺🇸 USA 2264♠♦A+1+0
+3.5Round 10🇮🇱 ISRAEL213NT♥Q-1+6
+3.5Round 20🇫🇷 FRANCE254♠♦K+1+0
+3.4Round 3🇵🇹 PORTUGAL43NT♣6=+0
+3.4Round 17🇪🇬 EGYPT153NT♥Q+3-12
+3.3Round 17🇪🇬 EGYPT132♠♥9=+11
+3.3Round 18🇸🇬 SINGAPORE304♦♠K-4+3
+3.3Round 21🇳🇱 NETHERLANDS153♦♥A-2+5
+3.2Round 1🇦🇺 AUSTRALIA113NT♥3=+6
+3.2Round 6🇺🇸 USA 2211NT♦3+2+7
+3.1Round 10🇮🇱 ISRAEL282♠♠2-1+0
+3.1Round 20🇫🇷 FRANCE193NT♥10=-1
+3.1Round 20🇫🇷 FRANCE264♥♣A=+0
+3.0Round 8🇩🇪 GERMANY183♣♠J+1+1
+3.0Round 8🇩🇪 GERMANY273♠♣A-2-1
+3.0Round 21🇳🇱 NETHERLANDS52NT♠2-4-10
+2.9Round 10🇮🇱 ISRAEL173♦x♠5-1-8
+2.9Round 16🇧🇪 BELGIUM252♦♣3=+6
+2.8Round 16🇧🇪 BELGIUM274♠♥2=+0
+2.7Round 20🇫🇷 FRANCE321NT♠7+1+5
+2.7Round 21🇳🇱 NETHERLANDS143NT♠9+2-11
+2.6Round 3🇵🇹 PORTUGAL113NT♦9-1-2
+2.4Round 8🇩🇪 GERMANY303♦x♠J-2-4
+2.4Round 13🇮🇳 INDIA31♥♠K+1+0
+2.4Round 18🇸🇬 SINGAPORE174♠♦5-1+5
+2.3Round 3🇵🇹 PORTUGAL84♥♣3+1+7
+2.3Round 5🇺🇸 USA 1112♠♣4+1+6
+2.3Round 17🇪🇬 EGYPT94♥♦K-1+5
+2.3Round 22🇩🇰 DENMARK273♠♥4=+1
+2.2Round 16🇧🇪 BELGIUM263♥♣2-1+0
+2.0Round 1🇦🇺 AUSTRALIA92NT♦10-4+7
+1.9Round 1🇦🇺 AUSTRALIA42♠♦A+1+6
+1.9Round 16🇧🇪 BELGIUM173♥♣Q=+1
+1.8Round 8🇩🇪 GERMANY264♥♦A-1+6
+1.8Round 13🇮🇳 INDIA122♠♣2=+5
+1.8Round 17🇪🇬 EGYPT13NT♣J+2+1
+1.7Round 1🇦🇺 AUSTRALIA55♣♥A-1+6
+1.7Round 5🇺🇸 USA 165♦♠K=+7
+1.7Round 5🇺🇸 USA 183NT♦Q-2+5
+1.7Round 20🇫🇷 FRANCE294♦♥5=+0
+1.6Round 1🇦🇺 AUSTRALIA22♠♠4+2+10
+1.5Round 3🇵🇹 PORTUGAL53NT♠Q+2+0
+1.5Round 13🇮🇳 INDIA25♣♥A-1+6
+1.5Round 15🇦🇷 ARGENTINA102♣♦A=+5
+1.4Round 22🇩🇰 DENMARK303♦♣5+1+7
+1.3Round 12🇬🇹 GUATEMALA212NT♠10-1+3
+1.3Round 22🇩🇰 DENMARK222♠♥7+3-9
+1.2Round 12🇬🇹 GUATEMALA321NT♥5+2+6
+1.2Round 16🇧🇪 BELGIUM304♠♣2-3+6
+1.1Round 1🇦🇺 AUSTRALIA162♦♠A-1-2
+1.1Round 12🇬🇹 GUATEMALA272♦x♥K-4-12
+1.1Round 13🇮🇳 INDIA64♥♦K+1+0
+1.1Round 15🇦🇷 ARGENTINA33NT♣Q=-1
+1.0Round 12🇬🇹 GUATEMALA242♥♦A-3+1
+1.0Round 17🇪🇬 EGYPT53NT♥5+2+0
+1.0Round 18🇸🇬 SINGAPORE316♣♦3=-2
+1.0Round 21🇳🇱 NETHERLANDS24♥♠Q-1+5
+0.9Round 10🇮🇱 ISRAEL303♥♦2-1+4
+0.9Round 12🇬🇹 GUATEMALA264♥♠A=+0
+0.9Round 12🇬🇹 GUATEMALA292♦♦10+1+0
+0.8Round 3🇵🇹 PORTUGAL102♦♠3+1+0
+0.8Round 3🇵🇹 PORTUGAL142♠♥J+1-1
+0.8Round 17🇪🇬 EGYPT101NT♣7-1+0
+0.8Round 18🇸🇬 SINGAPORE251NT♠2+1+0
+0.7Round 8🇩🇪 GERMANY192♠♥6=+1
+0.7Round 13🇮🇳 INDIA114♥♦2+1+0
+0.7Round 13🇮🇳 INDIA133NT♣4=-1
+0.7Round 15🇦🇷 ARGENTINA74NT♥3+1+0
+0.7Round 21🇳🇱 NETHERLANDS132♥♠2=+0
+0.6Round 6🇺🇸 USA 2233♦♦10=+0
+0.6Round 8🇩🇪 GERMANY173NT♥2+1+1
+0.6Round 15🇦🇷 ARGENTINA112♠♦Q+2-6
+0.6Round 20🇫🇷 FRANCE213NT♦J=+0
+0.5Round 10🇮🇱 ISRAEL194♠♥3+2+11
+0.5Round 12🇬🇹 GUATEMALA234♠♦J+1+13
+0.5Round 13🇮🇳 INDIA83♦♥A-4-5
+0.5Round 13🇮🇳 INDIA144♥♣8+1+0
+0.5Round 20🇫🇷 FRANCE172♠♦5-2-1
+0.5Round 21🇳🇱 NETHERLANDS63NT♦4=+7
+0.5Round 21🇳🇱 NETHERLANDS116♣♠7-1-2
+0.4Round 10🇮🇱 ISRAEL182♠♣6-2+1
+0.4Round 13🇮🇳 INDIA92♠♦7=+0
+0.3Round 3🇵🇹 PORTUGAL25♦♠A-2-5
+0.3Round 5🇺🇸 USA 132♠♠2+1+0
+0.3Round 5🇺🇸 USA 1143♠♥6-2+7
+0.3Round 6🇺🇸 USA 2244♦♠A+1+6
+0.3Round 13🇮🇳 INDIA51NT♦7-1-7
+0.3Round 13🇮🇳 INDIA74♦♣A+1-10
+0.3Round 17🇪🇬 EGYPT44♠♥A=+13
+0.3Round 17🇪🇬 EGYPT64♠♥K=+0
+0.2Round 1🇦🇺 AUSTRALIA123NT♠3+3+1
+0.2Round 20🇫🇷 FRANCE202♥♦4+1+0
+0.1Round 17🇪🇬 EGYPT83♠♣2-1-2
+0.1Round 22🇩🇰 DENMARK243NT♥3+1+0
-0.0Round 3🇵🇹 PORTUGAL14♥♦A+1+0
-0.0Round 6🇺🇸 USA 2274♥♠K+1+0
+0.0Round 20🇫🇷 FRANCE223NT♠4+1-1
-0.0Round 20🇫🇷 FRANCE302♥♦6-1-2
-0.0Round 21🇳🇱 NETHERLANDS163NT♦6=+2
+0.0Round 22🇩🇰 DENMARK174♠♥2+1+0
-0.1Round 1🇦🇺 AUSTRALIA154♥♣7+1+0
-0.1Round 5🇺🇸 USA 1133♣♦6+1+0
-0.1Round 6🇺🇸 USA 2182♥♠5+2-10
-0.1Round 10🇮🇱 ISRAEL273♠♦8-3+7
-0.2Round 1🇦🇺 AUSTRALIA142♠♣8=+0
-0.2Round 3🇵🇹 PORTUGAL164♥♠7=-1
-0.3Round 1🇦🇺 AUSTRALIA103♦♣2+2-15
-0.3Round 8🇩🇪 GERMANY235♥♠Q+1+12
-0.3Round 12🇬🇹 GUATEMALA304♥♠A+1+0
-0.3Round 17🇪🇬 EGYPT143NT♦8+1+0
-0.4Round 5🇺🇸 USA 114♥♣7=-1
-0.4Round 10🇮🇱 ISRAEL294♠♥6+2-13
-0.4Round 15🇦🇷 ARGENTINA64♠♦Q-1-5
-0.6Round 6🇺🇸 USA 2324♠♣3+1+13
-0.7Round 15🇦🇷 ARGENTINA161NT♠4+2-6
-0.8Round 16🇧🇪 BELGIUM233NT♥5+3+13
-0.9Round 10🇮🇱 ISRAEL242♠♦2-2-7
-0.9Round 12🇬🇹 GUATEMALA283NT♥7+2+0
-1.0Round 6🇺🇸 USA 2312♠♦10-1+0
-1.0Round 8🇩🇪 GERMANY213♣♥Q+1+0
-1.0Round 8🇩🇪 GERMANY294♠♦5+1+0
-1.0Round 10🇮🇱 ISRAEL203NT♣Q+3-2
-1.0Round 12🇬🇹 GUATEMALA194♥♣9+1+0
-1.0Round 15🇦🇷 ARGENTINA123NT♦8+4-17
-1.1Round 5🇺🇸 USA 1162NT♥6+1-1
-1.1Round 22🇩🇰 DENMARK263♦♠A-1+1
-1.3Round 3🇵🇹 PORTUGAL74♠♠4-1-5
-1.3Round 16🇧🇪 BELGIUM181NT♠10-1-11
-1.3Round 16🇧🇪 BELGIUM195♦♥A-2+0
-1.3Round 17🇪🇬 EGYPT24♥♠A=+0
-1.4Round 8🇩🇪 GERMANY243NT♠7+1-1
-1.6Round 3🇵🇹 PORTUGAL65♦x♣6-1-6
-1.6Round 16🇧🇪 BELGIUM284♠♦10-2-7
-1.6Round 18🇸🇬 SINGAPORE201NT♣K+1-11
-1.7Round 8🇩🇪 GERMANY282♦♦10+1+1
-1.7Round 13🇮🇳 INDIA15♦♣Q-1+2
-1.7Round 15🇦🇷 ARGENTINA14Pass+3
-1.8Round 13🇮🇳 INDIA163NT♦5=+0
-1.8Round 15🇦🇷 ARGENTINA95♦♦5=-11
-1.9Round 20🇫🇷 FRANCE313♠♦6-1+2
-1.9Round 22🇩🇰 DENMARK322♦♣4+1-11
-2.1Round 6🇺🇸 USA 2283♦♦J=-5
-2.1Round 12🇬🇹 GUATEMALA172♥♣Q=+1
-2.1Round 15🇦🇷 ARGENTINA82♠♣8+2-6
-2.1Round 22🇩🇰 DENMARK253♦x♠K-1-1
-2.2Round 1🇦🇺 AUSTRALIA134♥♣Q+2-2
-2.2Round 17🇪🇬 EGYPT113♥♣10+2-6
-2.3Round 6🇺🇸 USA 2293NT♠9=+0
-2.3Round 21🇳🇱 NETHERLANDS96NT♥8=+0
-2.4Round 12🇬🇹 GUATEMALA224♥♠K+2-1
-2.5Round 1🇦🇺 AUSTRALIA63♠♦4-1+0
-2.5Round 13🇮🇳 INDIA104♥♥2=+0
-2.5Round 17🇪🇬 EGYPT74♥x♠A-1-7
-2.5Round 22🇩🇰 DENMARK312♥♦5=+0
-2.7Round 15🇦🇷 ARGENTINA11♠♠3+2-6
-2.7Round 18🇸🇬 SINGAPORE211NT♠3+1-1
-2.7Round 20🇫🇷 FRANCE243NT♥Q-1-5
-2.9Round 22🇩🇰 DENMARK233NT♠7+2+12
-3.0Round 1🇦🇺 AUSTRALIA13♠♦2-1-4
-3.1Round 20🇫🇷 FRANCE183NT♥4+2-8
-3.2Round 1🇦🇺 AUSTRALIA74♥♠10-2-8
-3.2Round 17🇪🇬 EGYPT33NT♣2-1-5
-3.5Round 20🇫🇷 FRANCE273♠♣7=-6
-3.6Round 3🇵🇹 PORTUGAL121NT♠7+1+0
-3.6Round 6🇺🇸 USA 2306♥♣Q=-5
-3.7Round 6🇺🇸 USA 2253NT♥6-1-5
-3.7Round 13🇮🇳 INDIA43♠♥A-1-6
-4.1Round 8🇩🇪 GERMANY323♥♠K+1+2
-4.2Round 21🇳🇱 NETHERLANDS125♦x♠A-1-11
-4.3Round 13🇮🇳 INDIA153♥♦10=+0
-4.7Round 15🇦🇷 ARGENTINA43NT♦8=+0
-4.8Round 1🇦🇺 AUSTRALIA32♠♦A+1-7
-5.0Round 5🇺🇸 USA 173♠♣K+1-10
-5.0Round 15🇦🇷 ARGENTINA21NT♥4=-6
-5.0Round 17🇪🇬 EGYPT161NT♦A+1-6
-5.1Round 8🇩🇪 GERMANY221NT♥J+2-10
-5.2Round 20🇫🇷 FRANCE232♠♦2=-7
-5.3Round 20🇫🇷 FRANCE281♥x♦A-1-5
-5.5Round 16🇧🇪 BELGIUM295♠♦J=+0
-5.8Round 10🇮🇱 ISRAEL254♠♥9=-11
-6.0Round 21🇳🇱 NETHERLANDS14♥♣10=-8
-6.8Round 5🇺🇸 USA 143NT♥4-1-6
-7.1Round 5🇺🇸 USA 194♥♦6-2-13
-7.3Round 22🇩🇰 DENMARK294♠♦7=+0
-7.7Round 6🇺🇸 USA 2224♥♠2=-13
-7.7Round 10🇮🇱 ISRAEL264♥x♠K+1-10
-8.3Round 3🇵🇹 PORTUGAL155♠x♥A-1-11
-8.6Round 5🇺🇸 USA 1107♠♣Q=+0
-8.7Round 8🇩🇪 GERMANY254♠♦8-1-5
-9.2Round 22🇩🇰 DENMARK284♠♣K=-10
-9.3Round 10🇮🇱 ISRAEL323NT♦2+2+0
-9.4Round 3🇵🇹 PORTUGAL33NT♠Q=+0
-10.1Round 21🇳🇱 NETHERLANDS36♣♦7=+0
-10.7Round 6🇺🇸 USA 2193NT♠Q-3-12
-11.9Round 5🇺🇸 USA 126♥♣6=-1
-12.1Round 18🇸🇬 SINGAPORE324♥♥10-1-13