🇵🇱 DUFRAT Katarzyna · POLAND

1rank
+153.2Butler · 256 bds
+0.60per board
±4.2swing
+0.86vs par /bd · #1/140
+0.68adjusted /bd
Butler per round: -11.4 9.3 37.6 -2.4 13.1 -9.9 30.2 -16 31.2 -21.6 9.9 17 -1.7 16.7 10.9 40.3by round

vs par split: bidding +0.55 · play +0.30

Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted +0.68/bd

Card play — on target: opening leads 79.7% #48 of 140 · declarer play 81.8% #13 of 140 · defence 90.8% #7 of 140

Card play by contract type — on target
vs NTvs a suit
Opening leads52.4% (21)94.7% (38)
Declarer play70.0% (20)86.0% (57)
Defence85.7% (35)93.2% (74)

Opening leads by suit led: ♠ 90.0% (10) · ♥ 72.7% (22) · ♦ 66.7% (12) · ♣ 93.3% (15)

vs par by strain: NT +0.17 (81) · a suit +1.17 (175)

vs par by level: part-score +0.54 (99) · game +1.25 (141) · slam -0.62 (16)

By role: declaring +0.86/bd (-0.55 vs par · 147) · defending +0.24/bd (+2.75 vs par · 109)

By vulnerability: vulnerable +1.12/bd (+0.69 vs par · 128) · not vulnerable +0.07/bd (+1.02 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.ZmudaA.Simons – J.PasmanOpen16-11.4-0.71+0.38
Round 3J.ZmudaN.Abid – S.PirzadaClosed16+9.3+0.58+1.25
Round 5J.ZmudaM.Thakur – N.KamalClosed16+37.6+2.35+3.38
Round 6J.ZmudaY.Wiseman – N.SmithOpen16-2.4-0.15+0.56
Round 7J.ZmudaM.Sato – T.KahoOpen16+13.1+0.82-1.12
Round 8J.ZmudaP.Howard – D.JosaOpen16-9.9-0.62-1.25
Round 11J.ZmudaK.Hsiao – C.LinOpen16+30.2+1.89+1.75
Round 12J.ZmudaJ.Larsson – K.BertheauClosed16-16.0-1.00-0.56
Round 14J.ZmudaP.Chan – C.BoothOpen16+31.2+1.95+4.31
Round 15J.ZmudaB.Oigarden – L.GrudeClosed16-21.6-1.35-1.19
Round 16J.ZmudaK.Sanborn – I.LevitinaClosed16+9.9+0.62+0.50
Round 18J.ZmudaM.Yakovleva – O.PavlushkoClosed16+17.0+1.06+0.44
Round 19J.ZmudaC.Gibbons – J.GibbonsClosed16-1.7-0.11+0.50
Round 20J.ZmudaC.Puillet – V.BessisClosed16+16.7+1.04+3.19
Round 21J.ZmudaC.Bernstein – S.WheelerOpen16+10.9+0.68-0.75
Round 23J.ZmudaX.Zuo – N.WangClosed16+40.3+2.52+2.31

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
+13.8Round 11🇹🇼 CHINESE TAIPEI43♣x♥A+1+16
+13.6Round 11🇹🇼 CHINESE TAIPEI35♥x♥2-4+12
+13.4Round 14🇭🇰 CHINA HONG KONG194♠x♣A-4+15
+11.7Round 3🇵🇰 PAKISTAN73NT♦4=+10
+11.7Round 7🇯🇵 JAPAN124♥♥3=+0
+11.5Round 18🇷🇺 RUSSIA224♥x♠A+1+12
+11.2Round 23🇨🇳 CHINA133♠x♥A=+12
+9.0Round 5🇮🇳 INDIA55♦♥3-1+10
+8.5Round 12🇸🇪 SWEDEN296♥♣A=+0
+7.7Round 19🇳🇿 NEW ZEALAND44♥♣5=+0
+7.6Round 20🇫🇷 FRANCE234♠♥4-1+12
+7.6Round 20🇫🇷 FRANCE264♥♦J+1+13
+7.4Round 23🇨🇳 CHINA104♠♠7=+0
+7.3Round 15🇳🇴 NORWAY133NT♦3-1+12
+6.9Round 16🇺🇸 USA 1324♠♣3+1+2
+6.9Round 20🇫🇷 FRANCE276♥♦J=+10
+6.8Round 5🇮🇳 INDIA14♥♣10=-1
+6.7Round 14🇭🇰 CHINA HONG KONG204♥♣6=+10
+6.7Round 23🇨🇳 CHINA43NT♥A-2+7
+6.5Round 3🇵🇰 PAKISTAN105♥x♦K=+14
+6.5Round 7🇯🇵 JAPAN24♥♣J=+0
+6.4Round 19🇳🇿 NEW ZEALAND152♠♣K+1+6
+6.3Round 11🇹🇼 CHINESE TAIPEI134♠x♣A-1+12
+6.2Round 5🇮🇳 INDIA134♠♦5-1+6
+6.1Round 14🇭🇰 CHINA HONG KONG303NT♠2=+7
+6.0Round 20🇫🇷 FRANCE224♥♠J-1+14
+5.8Round 23🇨🇳 CHINA53NT♣10=+0
+5.7Round 21🇺🇸 USA 2116♦♥A=-2
+5.7Round 21🇺🇸 USA 2123NT♦Q-1+6
+5.6Round 8🇹🇹 TRINIDAD & TOBAGO281NT♠2-2+9
+5.6Round 14🇭🇰 CHINA HONG KONG243NT♥Q-1+10
+5.6Round 23🇨🇳 CHINA164♠♣6-2+11
+5.3Round 21🇺🇸 USA 275♦♠K+1-13
+5.2Round 12🇸🇪 SWEDEN262NT♠10-2+3
+5.1Round 5🇮🇳 INDIA124♠♥3+2+11
+5.0Round 16🇺🇸 USA 1213NT♥6=+10
+5.0Round 16🇺🇸 USA 1314♥♣9-1+10
+4.9Round 18🇷🇺 RUSSIA293NT♠2+1-1
+4.8Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243♣♦A=+11
+4.8Round 7🇯🇵 JAPAN92NT♠4=+11
+4.8Round 14🇭🇰 CHINA HONG KONG274♠♥A-2+6
+4.7Round 3🇵🇰 PAKISTAN33NT♠3+1+7
+4.7Round 5🇮🇳 INDIA84♥♣A+1+1
+4.7Round 15🇳🇴 NORWAY63NT♥J=+7
+4.6Round 3🇵🇰 PAKISTAN82NT♥3=+6
+4.5Round 19🇳🇿 NEW ZEALAND93♣♦K=+6
+4.2Round 14🇭🇰 CHINA HONG KONG263NT♥7+1+1
+4.2Round 18🇷🇺 RUSSIA314♥♠8=+0
+4.2Round 19🇳🇿 NEW ZEALAND33NT♥J+4+17
+4.1Round 20🇫🇷 FRANCE252♥♠3-2+7
+3.9Round 8🇹🇹 TRINIDAD & TOBAGO173NT♥A-1+5
+3.7Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND323NT♥4+3+1
+3.7Round 7🇯🇵 JAPAN43♣♥A+2+1
+3.7Round 7🇯🇵 JAPAN163NT♥Q+1+0
+3.7Round 11🇹🇼 CHINESE TAIPEI104♠♥5-1+3
+3.6Round 1🇳🇱 NETHERLANDS65♦♠K-1+6
+3.6Round 5🇮🇳 INDIA112♠♥Q=+0
+3.4Round 23🇨🇳 CHINA12♥♣K+3+2
+3.2Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND294♥♦J=+10
+3.1Round 21🇺🇸 USA 264♠♦4+2+11
+3.0Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND204♠♦J-1+12
+3.0Round 23🇨🇳 CHINA146♣♦7-1+10
+2.9Round 16🇺🇸 USA 1261NT♠7-1+1
+2.8Round 20🇫🇷 FRANCE175♣x♥3-3+2
+2.7Round 5🇮🇳 INDIA61NT♣3-3+5
+2.7Round 12🇸🇪 SWEDEN283♦♠J=+5
+2.7Round 15🇳🇴 NORWAY43♦♠A+1+1
+2.7Round 16🇺🇸 USA 1282♣♠3+1+0
+2.6Round 11🇹🇼 CHINESE TAIPEI82♠♦3-1+5
+2.6Round 16🇺🇸 USA 1185♣♥8-1+10
+2.6Round 18🇷🇺 RUSSIA302♥♣J=+5
+2.5Round 3🇵🇰 PAKISTAN155♠♥10=+0
+2.5Round 5🇮🇳 INDIA23♠♦10-2+6
+2.4Round 18🇷🇺 RUSSIA193NT♦6+2+2
+2.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND273♠♦7=+0
+2.3Round 12🇸🇪 SWEDEN314♠♦A+1+0
+2.2Round 5🇮🇳 INDIA102♠♥K+2+10
+2.2Round 12🇸🇪 SWEDEN252♠♣7+1+11
+2.2Round 14🇭🇰 CHINA HONG KONG232NT♦8+1+10
+2.2Round 21🇺🇸 USA 2133♦♣K-1+6
+2.2Round 23🇨🇳 CHINA152♠♥7=+0
+2.1Round 11🇹🇼 CHINESE TAIPEI51NT♣8-3-10
+2.1Round 20🇫🇷 FRANCE244♥♦8-2+5
+2.0Round 15🇳🇴 NORWAY152♥♠4+3+2
+2.0Round 16🇺🇸 USA 1172♠♣6+1+1
+1.9Round 23🇨🇳 CHINA74♠♥7-1+6
+1.8Round 11🇹🇼 CHINESE TAIPEI73NT♣J-2-7
+1.8Round 18🇷🇺 RUSSIA184♥♣Q+1+0
+1.7Round 1🇳🇱 NETHERLANDS152♥♦A=+0
+1.7Round 11🇹🇼 CHINESE TAIPEI66♠♣J+1+13
+1.7Round 16🇺🇸 USA 1276♥♦2=+0
+1.7Round 21🇺🇸 USA 213♦♥Q-1+3
+1.7Round 21🇺🇸 USA 231NT♦3+1-1
+1.6Round 7🇯🇵 JAPAN61NT♦3+2+1
+1.5Round 3🇵🇰 PAKISTAN11NT♠A+1-1
+1.5Round 21🇺🇸 USA 254♥♣9+2+1
+1.3Round 19🇳🇿 NEW ZEALAND133NT♥3-1-5
+1.2Round 1🇳🇱 NETHERLANDS92♠♦7=+0
+1.2Round 8🇹🇹 TRINIDAD & TOBAGO204♠♥3+2+2
+1.2Round 8🇹🇹 TRINIDAD & TOBAGO295NT♥9=-13
+1.2Round 11🇹🇼 CHINESE TAIPEI124♠♣5+1-13
+1.2Round 18🇷🇺 RUSSIA205♠♦9=+0
+1.1Round 5🇮🇳 INDIA33♦♠2-1+10
+1.1Round 11🇹🇼 CHINESE TAIPEI155♦♥4+1+14
+1.0Round 3🇵🇰 PAKISTAN93♣♠A+1+11
+1.0Round 7🇯🇵 JAPAN53♠♦3-2-9
+1.0Round 14🇭🇰 CHINA HONG KONG283NT♥8+1-1
+1.0Round 19🇳🇿 NEW ZEALAND13NT♠8+3+2
+1.0Round 21🇺🇸 USA 2104♥♦7+1+0
+0.9Round 20🇫🇷 FRANCE213NT♦5+1+1
+0.9Round 21🇺🇸 USA 242♠♣4+1+1
+0.8Round 11🇹🇼 CHINESE TAIPEI141♥♦9=+5
+0.8Round 23🇨🇳 CHINA32NT♠5-1-4
+0.7Round 1🇳🇱 NETHERLANDS162♦♦3+3-7
+0.7Round 5🇮🇳 INDIA162♠♣5=+0
+0.7Round 7🇯🇵 JAPAN81NT♣3=-1
+0.7Round 8🇹🇹 TRINIDAD & TOBAGO212♠♦6-1+2
+0.7Round 8🇹🇹 TRINIDAD & TOBAGO234♥♣3+3-12
+0.7Round 15🇳🇴 NORWAY12♥♣3+1+7
+0.7Round 16🇺🇸 USA 1223NT♥4=-1
+0.7Round 18🇷🇺 RUSSIA171NT♣6-1-3
+0.7Round 19🇳🇿 NEW ZEALAND21NT♦6-1-2
+0.7Round 20🇫🇷 FRANCE292♥♥2+1-10
+0.6Round 11🇹🇼 CHINESE TAIPEI11NTx♦K-1+0
+0.6Round 16🇺🇸 USA 1294♠♥K+1+0
+0.5Round 1🇳🇱 NETHERLANDS23NT♠3+1-1
+0.5Round 3🇵🇰 PAKISTAN64♦♥3-2-5
+0.5Round 21🇺🇸 USA 223NT♥3+1+1
+0.4Round 8🇹🇹 TRINIDAD & TOBAGO303NT♠10+2+1
+0.4Round 19🇳🇿 NEW ZEALAND143NT♠Q+1+14
+0.4Round 21🇺🇸 USA 291NT♥4-1-2
+0.4Round 23🇨🇳 CHINA124♠♦5+2+1
+0.3Round 18🇷🇺 RUSSIA284♥♣9=-1
+0.3Round 19🇳🇿 NEW ZEALAND104♥♣A-1+6
+0.2Round 5🇮🇳 INDIA72♥♠8+1+0
+0.2Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND224♠♣7-1-5
+0.2Round 14🇭🇰 CHINA HONG KONG293NT♦9+1-1
+0.2Round 14🇭🇰 CHINA HONG KONG325♠♦A=+0
+0.2Round 20🇫🇷 FRANCE312NT♠6=+0
+0.1Round 1🇳🇱 NETHERLANDS43NT♦4+2+13
+0.1Round 18🇷🇺 RUSSIA232♦♣4=-1
+0.1Round 18🇷🇺 RUSSIA245♦♠6=+0
-0.0Round 8🇹🇹 TRINIDAD & TOBAGO323NT♠5+1+0
-0.0Round 15🇳🇴 NORWAY113NT♠5+3-11
+0.0Round 18🇷🇺 RUSSIA252♣♥7=+2
-0.1Round 1🇳🇱 NETHERLANDS34♠♥8+3+12
-0.1Round 3🇵🇰 PAKISTAN46♥♦10+1-13
-0.1Round 12🇸🇪 SWEDEN201NT♦6-2+9
-0.2Round 7🇯🇵 JAPAN102♠♣3+1-10
-0.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173♦♥7-2-8
-0.3Round 16🇺🇸 USA 1302♥♦7=-6
-0.3Round 20🇫🇷 FRANCE181NT♣3=-5
-0.4Round 1🇳🇱 NETHERLANDS51♦♠K-1-2
-0.4Round 14🇭🇰 CHINA HONG KONG314♥♠10=+0
-0.4Round 23🇨🇳 CHINA112♠♣5-1-5
-0.5Round 5🇮🇳 INDIA94♠♦A=+0
-0.5Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND183NT♠3=-1
-0.5Round 7🇯🇵 JAPAN14♥♦10-1+2
-0.5Round 14🇭🇰 CHINA HONG KONG214♠♠8=+0
-0.5Round 19🇳🇿 NEW ZEALAND114♠♥3=+0
-0.6Round 19🇳🇿 NEW ZEALAND53NT♥J+1+0
-0.6Round 20🇫🇷 FRANCE304♥♠6=-1
-0.7Round 1🇳🇱 NETHERLANDS74♠x♣A-2+4
-0.7Round 15🇳🇴 NORWAY103♣♦J-1+1
-0.8Round 3🇵🇰 PAKISTAN24♥♦9=+0
-0.8Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND193♦♥J+1+0
-0.8Round 15🇳🇴 NORWAY121NT♣2-1+0
-0.9Round 8🇹🇹 TRINIDAD & TOBAGO272NT♦5=-1
-0.9Round 12🇸🇪 SWEDEN304♠♥A=-3
-1.0Round 1🇳🇱 NETHERLANDS133NT♦Q+3-17
-1.0Round 3🇵🇰 PAKISTAN163NT♥3+2+0
-1.0Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233♥♠Q=+0
-1.0Round 12🇸🇪 SWEDEN324♠♥2=-1
-1.0Round 18🇷🇺 RUSSIA274♥♦A+1+0
-1.0Round 21🇺🇸 USA 282♠♦J=-5
-1.1Round 3🇵🇰 PAKISTAN114♥♣K=+11
-1.1Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND314♠♥Q+2-1
-1.1Round 11🇹🇼 CHINESE TAIPEI23♣♦A+1+0
-1.1Round 11🇹🇼 CHINESE TAIPEI95♣♥K-2-6
-1.1Round 15🇳🇴 NORWAY56♠♦7+1-1
-1.2Round 8🇹🇹 TRINIDAD & TOBAGO263♠♦J=+0
-1.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND216♦♣A-2+6
-1.3Round 23🇨🇳 CHINA66♠♥10=-11
-1.4Round 1🇳🇱 NETHERLANDS85♣♦J=+15
-1.4Round 12🇸🇪 SWEDEN233NT♣4+1-1
-1.5Round 7🇯🇵 JAPAN72♥♣Q+1+0
-1.6Round 7🇯🇵 JAPAN135♦♠5-1-6
-1.7Round 5🇮🇳 INDIA155♥♦7+1-1
-1.8Round 12🇸🇪 SWEDEN183NT♣2=-2
-2.0Round 1🇳🇱 NETHERLANDS143NT♠9-1-10
-2.0Round 23🇨🇳 CHINA94♠♣4+1+12
-2.1Round 5🇮🇳 INDIA42NT♠2-1-5
-2.1Round 7🇯🇵 JAPAN113♠♦A-2+1
-2.1Round 14🇭🇰 CHINA HONG KONG172NT♠6-2+0
-2.1Round 23🇨🇳 CHINA23♦♦2+1+0
-2.2Round 7🇯🇵 JAPAN154♠♥10=+1
-2.2Round 14🇭🇰 CHINA HONG KONG253♦♣A-1+3
-2.3Round 3🇵🇰 PAKISTAN144♠♣A-1-4
-2.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND284♠♣8+1-1
-2.3Round 8🇹🇹 TRINIDAD & TOBAGO183♠♣K-1+2
-2.3Round 8🇹🇹 TRINIDAD & TOBAGO223NT♥Q=+2
-2.3Round 19🇳🇿 NEW ZEALAND82NT♥6+2-2
-2.3Round 23🇨🇳 CHINA82♠♦A-1-4
-2.5Round 15🇳🇴 NORWAY93♦♣6-1-8
-2.5Round 16🇺🇸 USA 1232♦♥A=-5
-2.6Round 12🇸🇪 SWEDEN194♥♦3-2-3
-2.6Round 18🇷🇺 RUSSIA212♥♣4=+0
-2.7Round 1🇳🇱 NETHERLANDS114♠♥7-1+2
-2.7Round 3🇵🇰 PAKISTAN131NT♣2+2+0
-2.7Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND264♠♣A=-10
-2.7Round 15🇳🇴 NORWAY83♠♦A-2-5
-2.9Round 1🇳🇱 NETHERLANDS122♥♦A-1+1
-2.9Round 5🇮🇳 INDIA141NT♣2=+2
-3.0Round 16🇺🇸 USA 1246♠♣A=+0
-3.4Round 1🇳🇱 NETHERLANDS104♥x♣5-1-10
-3.4Round 12🇸🇪 SWEDEN217♠♣3=+0
-3.4Round 18🇷🇺 RUSSIA264♣♦A=+0
-3.7Round 8🇹🇹 TRINIDAD & TOBAGO246♦♠Q=+0
-3.7Round 8🇹🇹 TRINIDAD & TOBAGO253NT♥8+1+0
-3.7Round 15🇳🇴 NORWAY73♦♠5+2+0
-3.9Round 14🇭🇰 CHINA HONG KONG221NTx♥2-2+8
-4.0Round 8🇹🇹 TRINIDAD & TOBAGO316NT♦6=+0
-4.0Round 16🇺🇸 USA 1254♠♥A=-8
-4.1Round 14🇭🇰 CHINA HONG KONG184♥♠2=+1
-4.2Round 16🇺🇸 USA 1203♥♦J-1-6
-4.2Round 20🇫🇷 FRANCE285♦x♥K-4+12
-4.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND304♥♠5+1+0
-4.5Round 21🇺🇸 USA 2161NT♥7-2-3
-4.6Round 1🇳🇱 NETHERLANDS14♠♣A=+0
-4.6Round 21🇺🇸 USA 2144♥♣J-1-5
-4.7Round 3🇵🇰 PAKISTAN54♠♦J+1+0
-4.7Round 15🇳🇴 NORWAY164♦x♠7-2-5
-5.1Round 12🇸🇪 SWEDEN224♥♦2-2-7
-5.1Round 20🇫🇷 FRANCE203NT♠6=+0
-5.2Round 12🇸🇪 SWEDEN175♣x♠K-1-9
-5.2Round 19🇳🇿 NEW ZEALAND73NT♥Q-1-12
-5.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND253♠♥8-1-5
-5.3Round 20🇫🇷 FRANCE323♣♠K-3-4
-5.4Round 19🇳🇿 NEW ZEALAND123NT♥10+1-7
-5.5Round 8🇹🇹 TRINIDAD & TOBAGO194♠♥3+3-17
-5.7Round 12🇸🇪 SWEDEN275♣♥K=+0
-5.8Round 18🇷🇺 RUSSIA321NT♥9-2-8
-5.8Round 19🇳🇿 NEW ZEALAND63NT♥Q-2-5
-5.9Round 11🇹🇼 CHINESE TAIPEI113♥♠7-2-5
-6.1Round 7🇯🇵 JAPAN34♠♦Q=+1
-6.2Round 16🇺🇸 USA 1193NT♥Q+1+0
-6.3Round 15🇳🇴 NORWAY143NT♠Q=-7
-6.4Round 7🇯🇵 JAPAN143NT♥2-1-10
-6.7Round 20🇫🇷 FRANCE194♥x♦7=-5
-8.2Round 15🇳🇴 NORWAY34♥♣2+1-1
-8.3Round 15🇳🇴 NORWAY22♠♥2=-11
-8.4Round 19🇳🇿 NEW ZEALAND163NT♠4=-10
-8.7Round 21🇺🇸 USA 2154♠♣8-1-10
-9.7Round 12🇸🇪 SWEDEN247♥♦10-2-11
-11.0Round 3🇵🇰 PAKISTAN123NT♣4-1-16
-11.0Round 11🇹🇼 CHINESE TAIPEI166♣x♥10-1-11