🇵🇱 DUFRAT Katarzyna · Poland

27rank
+76.5Butler · 240 bds
+0.32per board
±4.4swing
+0.23vs par /bd · #45/110
+0.29adjusted /bd
Butler per round: 16.1 10.5 -21.2 9.8 40.9 5.4 -13.5 46.2 -13.6 31.3 -35.2 -0.2by round

vs par split: bidding +0.40 · play -0.07

Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted +0.29/bd

Card play — on target: opening leads 79.0% #53 of 110 · declarer play 77.3% #37 of 110 · defence 81.9% #93 of 110

Card play by contract type — on target
vs NTvs a suit
Opening leads69.2% (13)81.6% (49)
Declarer play60.0% (10)82.4% (34)
Defence90.0% (20)80.2% (96)

Opening leads by suit led: ♠ 81.8% (11) · ♥ 70.0% (20) · ♦ 93.8% (16) · ♣ 73.3% (15)

vs par by strain: NT -0.22 (45) · a suit +0.47 (176)

vs par by level: part-score -0.44 (78) · game +0.81 (132) · slam +0.00 (11)

By role: declaring -0.11/bd (-2.42 vs par · 115) · defending +0.71/bd (+2.67 vs par · 125)

By vulnerability: vulnerable +0.12/bd (-0.22 vs par · 120) · not vulnerable +0.52/bd (+0.68 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3G.BrewiakE.Mcgowan – S.PunchClosed20+16.1+0.81+0.70
Round 4G.BrewiakM.Oras – A.TaubeOpen20+10.5+0.53-1.15
Round 5G.BrewiakJ.Smederevac – S.KriftnerClosed20-21.2-1.06-0.85
Round 6G.BrewiakM.Angelova – K.VidenovaOpen20+9.8+0.49+1.20
Round 9G.BrewiakP.Andersson – M.JohanssonClosed20+40.9+2.04-0.55
Round 10G.BrewiakS.Brock – N.SmithClosed20+5.4+0.27-0.05
Round 11G.BrewiakS.Willard – B.CronierClosed20-13.5-0.68+0.05
Round 12G.BrewiakI.Criado Del Rey – A.MuruagaOpen20+46.2+2.31+3.65
Round 15G.BrewiakL.Economou – D.KanellopoulouOpen20-13.6-0.68-0.50
Round 17G.BrewiakE.Joyce – J.KennyClosed20+31.3+1.56-0.50
Round 18G.BrewiakA.Houlberg – C.MadsenClosed20-35.2-1.76-0.30
Round 19G.BrewiakV.Carcassonne-Labaere – I.DewasmeOpen20-0.2-0.01+1.10

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
+15.7Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England35♣♣K-2+17
+12.9Round 6🇧🇬 Bulgaria37N♠K-2+16
+12.0Round 17🇮🇪 Ireland114♠x♣2-4+9
+11.1Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland125♥♠10-1+13
+10.1Round 4🇪🇪 Estonia194♠♣A-2+14
+10.0Round 15🇬🇷 Greece97♠♥9-3+15
+9.8Round 11🇫🇷 France74♠♥T-1+13
+9.5Round 12🇪🇸 Spain126♥x♦2-2+15
+9.3Round 12🇪🇸 Spain73NTx♥5-2+12
+9.1Round 9🇸🇪 Sweden53♥♣8-2+8
+8.9Round 6🇧🇬 Bulgaria143N♠Q-2+11
+8.6Round 12🇪🇸 Spain154♥♦J-1+12
+8.2Round 6🇧🇬 Bulgaria74♠♥J=+0
+8.0Round 17🇮🇪 Ireland104♠♣8-1+12
+7.6Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England24♠♣Q-1+12
+7.5Round 17🇮🇪 Ireland94♥♦4=+7
+7.4Round 12🇪🇸 Spain182♥x♠6-3+9
+7.1Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England133♠♣A-2+8
+6.8Round 5🇦🇹 Austria53♥x♦4-3+9
+6.5Round 12🇪🇸 Spain86♦♣Q=+9
+6.5Round 19🇧🇪 Belgium162♥x♦J-2+5
+6.2Round 9🇸🇪 Sweden23N♠Q-3+9
+6.2Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England152♦x♣K=+7
+6.1Round 12🇪🇸 Spain104♠x♥K-1+8
+5.6Round 15🇬🇷 Greece203♠♣4-1+11
+5.5Round 19🇧🇪 Belgium43NT♣J-1+12
+5.4Round 17🇮🇪 Ireland84♣♥4-1+5
+5.2Round 6🇧🇬 Bulgaria164♠♥5+2+12
+5.1Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland144♠♥5-1+5
+5.1Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland204♥♠5-3+5
+4.6Round 17🇮🇪 Ireland62♥x♠A-3-3
+4.6Round 19🇧🇪 Belgium75♦x♠A-1+9
+4.5Round 9🇸🇪 Sweden154♥♣6+1+0
+4.4Round 6🇧🇬 Bulgaria25♦x♠K-2+5
+4.2Round 4🇪🇪 Estonia94♥♣3=-1
+4.2Round 5🇦🇹 Austria102♥♦9+2-1
+4.2Round 12🇪🇸 Spain134♠♦9=+0
+4.2Round 19🇧🇪 Belgium103NT♦J=+0
+4.0Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland183♦♠A=+5
+3.9Round 4🇪🇪 Estonia63NT♠Q=-2
+3.9Round 9🇸🇪 Sweden143N♥T-3+6
+3.8Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland86♠♥4=-11
+3.8Round 9🇸🇪 Sweden184♥♣Q-2+7
+3.6Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland15♣♦3-1+10
+3.6Round 4🇪🇪 Estonia124♥♠8-1-2
+3.6Round 6🇧🇬 Bulgaria43N♥K+4+2
+3.6Round 18🇩🇰 Denmark114♥♣10-1+8
+3.6Round 19🇧🇪 Belgium134♥♠K=+0
+3.5Round 5🇦🇹 Austria153NT♥8+3+13
+3.5Round 9🇸🇪 Sweden102♥♠5=+0
+3.4Round 9🇸🇪 Sweden163♠♣8=+7
+3.3Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland64♠♥7=+3
+3.3Round 5🇦🇹 Austria73NT♥4-1+12
+3.3Round 6🇧🇬 Bulgaria183N♣6=-1
+3.2Round 17🇮🇪 Ireland153♥♠6+1+2
+3.2Round 18🇩🇰 Denmark44♥♦K+1+0
+3.1Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland31NT♥6-2-1
+3.1Round 11🇫🇷 France142♠♦J=+6
+3.1Round 15🇬🇷 Greece84♠♠J+1-11
+2.9Round 4🇪🇪 Estonia82♦♥6-2+5
+2.9Round 5🇦🇹 Austria33NT♥4+3+2
+2.9Round 11🇫🇷 France32♥♣A-3+15
+2.9Round 12🇪🇸 Spain93NT♥J-1+5
+2.9Round 18🇩🇰 Denmark202♣♥K-1+0
+2.7Round 4🇪🇪 Estonia164♠♥Q=-11
+2.6Round 9🇸🇪 Sweden13N♣2-2+5
+2.6Round 17🇮🇪 Ireland53♦♥5=-1
+2.5Round 17🇮🇪 Ireland144♥♦K=-11
+2.5Round 18🇩🇰 Denmark26♣♦J=+0
+2.4Round 9🇸🇪 Sweden63N♦K=-13
+2.3Round 15🇬🇷 Greece13♦♠J-2+0
+2.2Round 9🇸🇪 Sweden174♠♣K=+0
+2.1Round 11🇫🇷 France112♦♥6+2+0
+2.0Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland93NT♣4-1+5
+1.9Round 4🇪🇪 Estonia143♥♣A=+1
+1.9Round 6🇧🇬 Bulgaria175♠x♦K-2+5
+1.9Round 9🇸🇪 Sweden43♣♦5-1-6
+1.9Round 12🇪🇸 Spain32♠♥J+1+2
+1.8Round 12🇪🇸 Spain202♦♥2-4+6
+1.7Round 19🇧🇪 Belgium34♥♣9-2+5
+1.6Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland103NT♥4+2+13
+1.6Round 6🇧🇬 Bulgaria104♥♦5-2+8
+1.6Round 17🇮🇪 Ireland44♥♦K+2+1
+1.5Round 4🇪🇪 Estonia76♦♦Q=-2
+1.5Round 4🇪🇪 Estonia114♠♣3-1-2
+1.5Round 12🇪🇸 Spain141NT♣4-1+9
+1.5Round 17🇮🇪 Ireland74NT♠4=-1
+1.5Round 19🇧🇪 Belgium154♠♠4+1+1
+1.4Round 9🇸🇪 Sweden114♠♣3=+0
+1.4Round 12🇪🇸 Spain172♥♣6+2+2
+1.4Round 18🇩🇰 Denmark194♠♥6+1+0
+1.2Round 11🇫🇷 France194♥♣4+1+0
+1.2Round 15🇬🇷 Greece132♥♠5+2-7
+1.2Round 18🇩🇰 Denmark132♠♣A+1+0
+1.1Round 6🇧🇬 Bulgaria152♠♣J+1+0
+1.1Round 17🇮🇪 Ireland194♠♥A=+0
+1.0Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland173♦♠6-1-2
+1.0Round 19🇧🇪 Belgium52♠♥Q+1-6
+0.9Round 5🇦🇹 Austria143NT♦Q+1+0
+0.8Round 17🇮🇪 Ireland185♦♠6=+2
+0.7Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England142♠♦2+1+0
+0.6Round 4🇪🇪 Estonia54♠♥K=+0
+0.6Round 4🇪🇪 Estonia174♥♠A-1+4
+0.6Round 12🇪🇸 Spain24♠♠2=+0
+0.6Round 15🇬🇷 Greece174♥♠A+1+0
+0.5Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland154♠♣5+2-11
+0.5Round 9🇸🇪 Sweden34♠♥T+1-13
+0.5Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England63NT♣9=-2
+0.5Round 11🇫🇷 France52N♥5=+0
+0.5Round 15🇬🇷 Greece53NT♠4-3+10
+0.5Round 15🇬🇷 Greece144♥♦Q+3+10
+0.4Round 5🇦🇹 Austria134♠♣8=+0
+0.4Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England73NT♥6=+0
+0.4Round 19🇧🇪 Belgium92NT♠Q+1+7
+0.4Round 19🇧🇪 Belgium193NT♥4+1+0
+0.3Round 5🇦🇹 Austria123NT♠9+1-10
+0.3Round 15🇬🇷 Greece43NT♥3+3-13
+0.2Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland131NT♥2+1+1
+0.2Round 9🇸🇪 Sweden72♠♥6-1-1
+0.2Round 12🇪🇸 Spain194♠♦K+1+0
+0.1Round 5🇦🇹 Austria64♥♠6+1+0
+0.1Round 5🇦🇹 Austria111NT♥A+1+0
+0.1Round 5🇦🇹 Austria164♠♦10+1+0
+0.1Round 6🇧🇬 Bulgaria84♠♥A+2-1
+0.1Round 9🇸🇪 Sweden122N♠5=-7
+0.1Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England14♠♦K+1+1
+0.1Round 11🇫🇷 France124♥♦8+1+0
+0.0Round 4🇪🇪 Estonia23NT♥7-1+11
-0.0Round 9🇸🇪 Sweden93♦♥Q-1-2
+0.0Round 17🇮🇪 Ireland32♦♠Q-2-5
-0.1Round 9🇸🇪 Sweden193N♣5+1+0
-0.1Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England93NT♥3+1+10
-0.1Round 11🇫🇷 France13N♠3=+0
-0.1Round 15🇬🇷 Greece23♦♦6+2-7
-0.1Round 17🇮🇪 Ireland163NT♥2+1-10
-0.1Round 19🇧🇪 Belgium144♠♥10+1+0
-0.2Round 4🇪🇪 Estonia14♥♣2=+3
-0.2Round 9🇸🇪 Sweden83N♥5+2+0
-0.2Round 15🇬🇷 Greece33♥♦A+1+6
-0.2Round 15🇬🇷 Greece123♦♣A+1+1
-0.4Round 4🇪🇪 Estonia44♠♣2-2+7
-0.4Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England172♠♥10-3+0
-0.4Round 19🇧🇪 Belgium184♥♠9+1+0
-0.5Round 11🇫🇷 France104♥♣Q+1-4
-0.7Round 15🇬🇷 Greece113♠♥3+1-4
-0.8Round 4🇪🇪 Estonia133NT♦8+2-13
-0.8Round 4🇪🇪 Estonia203NT♥Q+1+1
-0.8Round 12🇪🇸 Spain54♠♣3-3+8
-0.9Round 4🇪🇪 Estonia104♠♥K+1+1
-0.9Round 6🇧🇬 Bulgaria131N♥5-1+0
-0.9Round 11🇫🇷 France84♠♥8=+1
-0.9Round 15🇬🇷 Greece64♠♥8-1-6
-1.1Round 11🇫🇷 France133N♠4+2+0
-1.1Round 12🇪🇸 Spain63♠♥K+1-1
-1.1Round 17🇮🇪 Ireland24♥♣6+2-1
-1.1Round 19🇧🇪 Belgium173NT♥10+2+0
-1.2Round 9🇸🇪 Sweden202♥♣J+2-1
-1.2Round 17🇮🇪 Ireland174♠♣2+1+0
-1.3Round 11🇫🇷 France44♥♣A=+0
-1.4Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England83♠♥A+1-6
-1.4Round 18🇩🇰 Denmark124♠♥5+1+11
-1.4Round 19🇧🇪 Belgium114♥♦K+1+0
-1.5Round 5🇦🇹 Austria176♥♣3=+0
-1.5Round 6🇧🇬 Bulgaria192♥♦K+2-6
-1.5Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England122♥♣3-1+2
-1.5Round 18🇩🇰 Denmark153NT♠2=+0
-1.6Round 11🇫🇷 France153N♠2+1-13
-1.6Round 12🇪🇸 Spain114♠♣10+2-2
-1.6Round 15🇬🇷 Greece154♠♦Q+2+13
-1.7Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England45♠♣9+1-9
-1.8Round 6🇧🇬 Bulgaria122♠♥A+1-1
-1.9Round 11🇫🇷 France164♠♦Q+1+13
-1.9Round 18🇩🇰 Denmark163♠♥4=+0
-2.1Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England183NT♦2+1+0
-2.2Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland194♥♣Q+2-1
-2.2Round 17🇮🇪 Ireland204♥♣Q+1+0
-2.2Round 19🇧🇪 Belgium84♥♠6+1-1
-2.3Round 18🇩🇰 Denmark32♣♥J=+1
-2.5Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England104♥♥3-1-6
-2.5Round 11🇫🇷 France22♥♣2+2-1
-2.6Round 11🇫🇷 France204♦♠A-2-2
-2.7Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland52♠♦J+1-1
-2.7Round 11🇫🇷 France63N♥4=-10
-2.8Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England202NT♠Q=-10
-2.9Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland162♥♦10+1-6
-2.9Round 17🇮🇪 Ireland134♠♥K=+0
-2.9Round 18🇩🇰 Denmark143♠♥J+1-6
-2.9Round 18🇩🇰 Denmark173♠♣A=-1
-2.9Round 18🇩🇰 Denmark183♥♠7=+0
-3.1Round 5🇦🇹 Austria42♥♠K-2-3
-3.2Round 4🇪🇪 Estonia183♠♦3=-12
-3.2Round 17🇮🇪 Ireland121NT♣3-1-6
-3.2Round 18🇩🇰 Denmark83NT♦Q-2-11
-3.3Round 9🇸🇪 Sweden131N♥3+2-10
-3.4Round 5🇦🇹 Austria193♠♥A+1-1
-3.4Round 6🇧🇬 Bulgaria53♥♠A=+0
-3.8Round 5🇦🇹 Austria24♠♥10+1+0
-3.8Round 12🇪🇸 Spain13♣♥10+1-6
-3.8Round 12🇪🇸 Spain164♥♦6-1-5
-3.8Round 18🇩🇰 Denmark14♠♥K=+0
-3.8Round 18🇩🇰 Denmark94♥♦4=-3
-3.9Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland43NT♠10-2-8
-4.0Round 5🇦🇹 Austria183♠♣K=-7
-4.1Round 6🇧🇬 Bulgaria92♦♣4=+0
-4.1Round 15🇬🇷 Greece164♠♦2=-1
-4.2Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland114♥♦10=+1
-4.3Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England55♠♥J=-8
-4.3Round 18🇩🇰 Denmark104♥♣4-2-2
-4.4Round 11🇫🇷 France94♠♠5-1-5
-4.5Round 18🇩🇰 Denmark54NT♣6+1+0
-4.6Round 12🇪🇸 Spain44♣♦K+1-10
-4.6Round 19🇧🇪 Belgium13NT♣2-1+2
-4.6Round 19🇧🇪 Belgium23♦♣5=-7
-4.7Round 15🇬🇷 Greece72♥♦Q-1-6
-4.7Round 19🇧🇪 Belgium201NT♥2-3+8
-4.8Round 5🇦🇹 Austria93NT♣3-2-7
-4.8Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England113NT♠Q-1-5
-4.9Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England164♥♣J=-1
-5.0Round 19🇧🇪 Belgium122♦♣6-4-3
-5.2Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland23♠♦7=-6
-5.5Round 19🇧🇪 Belgium63♦♥K+2-10
-5.6Round 5🇦🇹 Austria203NT♣Q-1-6
-5.6Round 18🇩🇰 Denmark65♣♥10=-3
-6.0Round 6🇧🇬 Bulgaria114♠♥A-1-11
-6.4Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 England193NT♦7-2-11
-6.4Round 11🇫🇷 France174♠♦6=+0
-6.4Round 15🇬🇷 Greece185♥♦A=-4
-6.9Round 4🇪🇪 Estonia31NT♠3=-10
-7.2Round 3🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland73NT♦8+1+0
-7.2Round 6🇧🇬 Bulgaria204♥♣T-1-12
-7.2Round 11🇫🇷 France183N♦6-1-12
-7.8Round 5🇦🇹 Austria12♥♣3-3-7
-8.1Round 6🇧🇬 Bulgaria17♣♦7=+2
-8.4Round 6🇧🇬 Bulgaria65♣x♦A-2-5
-8.6Round 15🇬🇷 Greece196NT♥6-1-17
-8.8Round 17🇮🇪 Ireland14♠x♥A=-10
-9.0Round 18🇩🇰 Denmark74♠♦K=+0
-9.8Round 4🇪🇪 Estonia154♠♦J-1-15
-9.8Round 5🇦🇹 Austria86♠x♦A-1-11
-10.2Round 15🇬🇷 Greece107♠♥5=+0