🇵🇱 ROMANSKI Jacek · Poland

7rank
+137.2Butler · 240 bds
+0.57per board
±4.5swing
+0.33vs par /bd · #37/108
+0.63adjusted /bd
Butler per round: 3.4 -29.5 -10.5 54 49.3 14.3 3.2 -8.3 1.2 -16.7 22.3 -12.7 15.2 35.6 16.4by round

vs par split: bidding +0.33 · play +0.09

Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.63/bd

Card play — on target: opening leads 72.1% #101 of 108 · declarer play 77.3% #49 of 108 · defence 94.9% #1 of 108

Card play by contract type — on target
vs NTvs a suit
Opening leads53.8% (13)77.1% (48)
Declarer play73.7% (19)78.7% (47)
Defence92.0% (25)95.7% (92)

Opening leads by suit led: ♠ 70.6% (17) · ♥ 75.0% (12) · ♦ 66.7% (18) · ♣ 78.6% (14)

vs par by strain: NT -0.62 (56) · a suit +0.75 (178)

vs par by level: part-score +0.70 (84) · game +0.18 (133) · slam +0.88 (17)

By role: declaring +0.95/bd (-1.69 vs par · 121) · defending +0.19/bd (+2.37 vs par · 119)

By vulnerability: vulnerable +0.83/bd (+0.32 vs par · 120) · not vulnerable +0.32/bd (+0.33 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.KowalskiH.Nielsen – K.BoesgaardOpen16+3.4+0.21-0.44
Round 2A.KowalskiD.Diamond – V.SilverstoneOpen16-29.5-1.84-4.50
Round 3A.KowalskiJ.Holland – G.HallbergClosed16-10.5-0.66-1.94
Round 5A.KowalskiJ.Melgar – M.HernandezOpen16+54.0+3.38+4.06
Round 6A.KowalskiP.Leis – J.LinnamagiOpen16+49.3+3.08+2.38
Round 8A.KowalskiK.Vrieze – O.JanssensClosed16+14.3+0.89-0.12
Round 10A.KowalskiF.Bigdeli – H.JanssensClosed16+3.2+0.20-3.50
Round 11A.KowalskiE.Wladow – M.ElinescuClosed16-8.3-0.52-2.38
Round 13A.KowalskiJ.Holmbakken – B.BuerClosed16+1.2+0.07+2.31
Round 14A.KowalskiM.Copur – C.GebeceliClosed16-16.7-1.04+1.38
Round 15A.KowalskiC.Mosca – A.VivaldiClosed16+22.3+1.39+4.12
Round 16A.KowalskiJ.Engel – J.FrydrichClosed16-12.7-0.79-2.06
Round 17A.KowalskiP.Billgren – B.SanzenClosed16+15.2+0.95+1.25
Round 18A.KowalskiT.Disley – R.PentonClosed16+35.6+2.23+1.88
Round 19A.KowalskiP.Grenthe – P.VanhoutteClosed16+16.4+1.02+2.44

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
+11.3Round 6🇪🇪 Estonia71♠♥K+3+9
+11.2Round 1🇩🇰 Denmark67♥♦J=+0
+11.2Round 11🇩🇪 Germany86NT♥3=+11
+10.8Round 5🇪🇸 Spain126♠x♦2-1+13
+10.6Round 6🇪🇪 Estonia106♥♦9=+1
+10.5Round 10🇧🇪 Belgium114♦x♦2=+9
+10.4Round 15🇮🇹 Italy14♠x♥K=+10
+9.9Round 6🇪🇪 Estonia34♠♣K=+3
+9.5Round 16🇮🇱 Israel74♠♠3=+0
+9.1Round 15🇮🇹 Italy145♠♦8-1+14
+9.1Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales73NT♣9=+10
+8.8Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales166♥♦6-2+11
+8.5Round 8🇳🇱 Netherlands52♥♠3+1+0
+8.2Round 8🇳🇱 Netherlands162♣x♦A-2+3
+8.2Round 14🇹🇷 Turkey114♥♣4-1+10
+8.1Round 5🇪🇸 Spain104♠x♥K-1+8
+8.1Round 13🇳🇴 Norway65♣♦J-1+11
+7.9Round 5🇪🇸 Spain45♣♦K=+0
+7.9Round 17🇸🇪 Sweden141♥x♠K-4+8
+7.8Round 10🇧🇪 Belgium143NT♠7=-1
+7.6Round 8🇳🇱 Netherlands14♥x♠A-2+9
+7.0Round 16🇮🇱 Israel54N♥7+1+0
+7.0Round 17🇸🇪 Sweden93NT♠J=+12
+6.9Round 13🇳🇴 Norway146♠♣8-2+9
+6.5Round 13🇳🇴 Norway15♣♦6+1+11
+6.5Round 13🇳🇴 Norway163♣♥8=+8
+6.1Round 1🇩🇰 Denmark74♥♠7-1+6
+5.8Round 10🇧🇪 Belgium92♠♣7+1+1
+5.7Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England25♦♥K=+0
+5.5Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England54♠♣10+1+8
+5.5Round 5🇪🇸 Spain73NT♠J-4+11
+5.5Round 11🇩🇪 Germany54♠♥K+1+0
+5.5Round 14🇹🇷 Turkey164♥x♦3-2+5
+5.4Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England83♥♣K-1+9
+5.4Round 19🇫🇷 France74♠♦A-3+4
+5.3Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales123NT♣4-2+13
+5.2Round 5🇪🇸 Spain86♦♣Q=+9
+5.2Round 5🇪🇸 Spain93NT♣J-2+6
+5.2Round 15🇮🇹 Italy134♠♦Q=+0
+4.8Round 1🇩🇰 Denmark101♥♣4+4+15
+4.8Round 6🇪🇪 Estonia133♣♠K=+1
+4.8Round 11🇩🇪 Germany94♥♠Q+1+0
+4.6Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland43♥♦K=+0
+4.6Round 5🇪🇸 Spain134♠♥J=+0
+4.6Round 17🇸🇪 Sweden103NT♦J=+0
+4.5Round 17🇸🇪 Sweden63NT♠K+2+1
+4.5Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales62♥♠5+1+1
+4.4Round 11🇩🇪 Germany23NT♥4+2+2
+4.4Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales133NT♦K=-2
+4.4Round 19🇫🇷 France83♥♠4-1+5
+4.4Round 19🇫🇷 France126♥♠A-1+13
+4.2Round 6🇪🇪 Estonia84♥♠Q-1+10
+4.2Round 6🇪🇪 Estonia143♦♥6=+5
+4.1Round 10🇧🇪 Belgium42♥♦A-1+0
+4.0Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland143NT♥10-3+6
+3.9Round 6🇪🇪 Estonia162♥♥5=+6
+3.9Round 15🇮🇹 Italy92♠♥A-1+5
+3.9Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales102♣♥3+3+10
+3.8Round 5🇪🇸 Spain54♠♦A-1+10
+3.5Round 11🇩🇪 Germany143NT♣9-5-2
+3.4Round 8🇳🇱 Netherlands114♥♣8-1+6
+3.4Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales43NT♥3=-1
+3.2Round 1🇩🇰 Denmark34♦♥2-1+4
+3.1Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland13NT♣2-2+5
+3.1Round 15🇮🇹 Italy104♠♦5+1+1
+3.1Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales114♥♠A=+3
+3.1Round 19🇫🇷 France34♥♦A-1+6
+3.0Round 10🇧🇪 Belgium24♠♣5+1+1
+2.9Round 13🇳🇴 Norway43NT♥3+3+2
+2.8Round 6🇪🇪 Estonia54♠x♥6=+5
+2.7Round 8🇳🇱 Netherlands153NT♦Q+3-13
+2.6Round 6🇪🇪 Estonia63NT♠5=-2
+2.5Round 11🇩🇪 Germany165♥♣6=-4
+2.5Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales14♠♣Q+1+0
+2.4Round 16🇮🇱 Israel14♠♥K+1+1
+2.3Round 15🇮🇹 Italy63NT♥5+2+10
+2.2Round 17🇸🇪 Sweden134♥♠K=+0
+2.2Round 17🇸🇪 Sweden162♠♣8=+0
+2.1Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland91NT♦A+1+1
+2.1Round 5🇪🇸 Spain163♥♣7=+1
+2.1Round 19🇫🇷 France13NT♦3=-1
+1.9Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland64♠♦K=-13
+1.9Round 6🇪🇪 Estonia22♦♣6=+6
+1.9Round 6🇪🇪 Estonia41♥♠J+4+0
+1.9Round 19🇫🇷 France102♥♣10+1+1
+1.8Round 15🇮🇹 Italy32♦♠Q-1+7
+1.8Round 16🇮🇱 Israel124♠♣J+2-11
+1.6Round 1🇩🇰 Denmark13♥♦7-1-2
+1.6Round 5🇪🇸 Spain33♠♥7=+2
+1.6Round 10🇧🇪 Belgium82♥♣4=+0
+1.6Round 17🇸🇪 Sweden75♦♣A-1+7
+1.6Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales84♥♣2+1+0
+1.5Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England122♥♣3-1-2
+1.4Round 13🇳🇴 Norway153NT♥6+3+13
+1.4Round 14🇹🇷 Turkey84♠♣2+1+0
+1.2Round 5🇪🇸 Spain24♠♦2=+0
+1.1Round 5🇪🇸 Spain114♠♣10=+0
+1.1Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales142♥♣A=+7
+1.1Round 19🇫🇷 France155♦♦A-1+5
+0.9Round 1🇩🇰 Denmark133♠♥5=+0
+0.9Round 13🇳🇴 Norway53♥♦10=+6
+0.9Round 19🇫🇷 France143♠♥A+1+1
+0.9Round 19🇫🇷 France163NT♥5+4-10
+0.8Round 1🇩🇰 Denmark164♥♦3+2+1
+0.8Round 8🇳🇱 Netherlands144♥♣K+2-11
+0.8Round 14🇹🇷 Turkey15♥x♠A-2-4
+0.8Round 14🇹🇷 Turkey104♠♣3-1+7
+0.6Round 1🇩🇰 Denmark144♠♦2+1+0
+0.6Round 11🇩🇪 Germany13♦♠A-1-3
+0.5Round 6🇪🇪 Estonia14♥♠K=+0
+0.5Round 17🇸🇪 Sweden53♦♥Q+1-7
+0.5Round 17🇸🇪 Sweden154♠♠4=+0
+0.4Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England64♥♦6=+1
+0.4Round 5🇪🇸 Spain141NT♣4-1+9
+0.4Round 10🇧🇪 Belgium152♠♣4+1-6
+0.4Round 15🇮🇹 Italy24♥♣7+1+0
+0.4Round 16🇮🇱 Israel142♠♣7+2+6
+0.4Round 19🇫🇷 France92♠♦5+2+10
+0.3Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland72♥♠10-1-1
+0.3Round 17🇸🇪 Sweden34♥♣9-1+4
+0.2Round 15🇮🇹 Italy112♠♠5-2+7
+0.2Round 17🇸🇪 Sweden14♣♦A-1+4
+0.2Round 19🇫🇷 France131NT♠2=+0
+0.1Round 5🇪🇸 Spain12♥♣J-1-4
+0.1Round 8🇳🇱 Netherlands121NT♥7+1+0
+0.1Round 13🇳🇴 Norway83NT♥Q+1-1
-0.0Round 1🇩🇰 Denmark94♥♠9=+0
+0.0Round 8🇳🇱 Netherlands64♠♥8-1+6
-0.1Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland83NT♥7+2+0
-0.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England14♠♦K+1-1
-0.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England152♣♣2-1-2
-0.2Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England142♠♦2+1+0
-0.2Round 14🇹🇷 Turkey135♥♣A-1-3
-0.2Round 19🇫🇷 France22♥♠J-2-1
-0.3Round 16🇮🇱 Israel113♥♦2=-4
-0.4Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England93NT♠3+1-10
-0.4Round 13🇳🇴 Norway103NT♠5+2+0
-0.5Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England73NT♥9=+0
-0.5Round 6🇪🇪 Estonia112♠♣4+1+0
-0.5Round 10🇧🇪 Belgium72♠♥10+1-10
-0.5Round 11🇩🇪 Germany103NT♣9-1-6
-0.5Round 15🇮🇹 Italy44♥♥2=+1
-0.5Round 15🇮🇹 Italy73NT♠4+1+1
-0.6Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England113♦♣2+1+0
-0.6Round 6🇪🇪 Estonia124♥♥6=+1
-0.6Round 11🇩🇪 Germany152♥♦J-2+9
-0.6Round 17🇸🇪 Sweden84♥♦3=+0
-0.6Round 19🇫🇷 France112♠♦J+1+7
-0.7Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England104♣♠2=+0
-0.7Round 14🇹🇷 Turkey142♠♥Q+1+0
-0.8Round 8🇳🇱 Netherlands43NT♣3+3+13
-0.8Round 16🇮🇱 Israel132♠♣A+1+0
-0.8Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales94♥♦K=+0
-0.9Round 8🇳🇱 Netherlands106♠♦J+1-13
-1.0Round 1🇩🇰 Denmark43N♥5-2-8
-1.0Round 5🇪🇸 Spain63♠♥K=+0
-1.0Round 8🇳🇱 Netherlands93NT♥Q+1-11
-1.0Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales33NT♥J+4-2
-1.1Round 8🇳🇱 Netherlands21NT♣6+3+6
-1.2Round 10🇧🇪 Belgium102♦♦6=-11
-1.2Round 11🇩🇪 Germany34♠♥9=+0
-1.2Round 13🇳🇴 Norway123NT♠K=-10
-1.2Round 14🇹🇷 Turkey63NT♥3=+0
-1.3Round 11🇩🇪 Germany41NT♠2+1+0
-1.3Round 17🇸🇪 Sweden114♥♠A+1+0
-1.4Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland131NT♥3+2-10
-1.4Round 8🇳🇱 Netherlands72♥♠8=+0
-1.4Round 8🇳🇱 Netherlands84♠♥J=+11
-1.5Round 6🇪🇪 Estonia154♠♣K+1+0
-1.5Round 16🇮🇱 Israel95♦x♥K-3+0
-1.6Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland114♠♦5+2-2
-1.6Round 15🇮🇹 Italy53♦♥4+1+0
-1.7Round 10🇧🇪 Belgium54♥♠5=-3
-1.8Round 14🇹🇷 Turkey25♣♦A+1+10
-1.9Round 19🇫🇷 France43NT♦K+2-1
-2.1Round 15🇮🇹 Italy83♣♠6+1+0
-2.2Round 10🇧🇪 Belgium164♥♦6+1+0
-2.2Round 19🇫🇷 France64♠♦J+1+0
-2.4Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales23NT♠5+2-1
-2.5Round 13🇳🇴 Norway95♣♥8=+0
-2.5Round 17🇸🇪 Sweden122♠♥A-1+1
-2.6Round 5🇪🇸 Spain154♥♦J=+0
-2.6Round 15🇮🇹 Italy121♠♠6+2+0
-2.6Round 15🇮🇹 Italy163NT♥4+2+10
-2.7Round 14🇹🇷 Turkey153♣♠K=+0
-2.8Round 11🇩🇪 Germany113NT♣5-1-5
-2.9Round 1🇩🇰 Denmark23N♠K+1+0
-2.9Round 13🇳🇴 Norway133♥♣K-1-6
-2.9Round 16🇮🇱 Israel45♥♦K=+0
-2.9Round 16🇮🇱 Israel83♣♦8+1+7
-3.0Round 1🇩🇰 Denmark81N♠J-2-6
-3.1Round 10🇧🇪 Belgium132♥♦3+1+0
-3.3Round 16🇮🇱 Israel64♣♥T=-9
-3.3Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales153NT♦5-2-11
-3.5Round 14🇹🇷 Turkey123NT♠3=+0
-3.5Round 19🇫🇷 France54♠♣8+1+0
-3.6Round 14🇹🇷 Turkey42♦♥3=+1
-3.7Round 16🇮🇱 Israel26♣♦J=+0
-3.8Round 1🇩🇰 Denmark153N♠6+2+0
-3.8Round 8🇳🇱 Netherlands31NT♣5-1-8
-3.8Round 10🇧🇪 Belgium14♠♦2-1-10
-3.8Round 17🇸🇪 Sweden22♦♣6+1-7
-3.9Round 13🇳🇴 Norway76♠♦Q+1+13
-3.9Round 16🇮🇱 Israel33♣♣A-1-5
-4.2Round 15🇮🇹 Italy155♠♦K-2+0
-4.3Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland53NT♣8=-10
-4.3Round 16🇮🇱 Israel103♦♣7-1-6
-4.4Round 1🇩🇰 Denmark52♥♥2+3-6
-4.4Round 14🇹🇷 Turkey75♦♠9+1+10
-4.5Round 13🇳🇴 Norway33♣♥A-2-1
-4.5Round 13🇳🇴 Norway114♥♣A-1-4
-4.6Round 16🇮🇱 Israel162♠♥4-1-6
-4.6Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 Wales56♥♦2=-8
-4.7Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland103♥♠5-2-7
-4.8Round 1🇩🇰 Denmark124♥♦K-1-5
-4.8Round 14🇹🇷 Turkey34♠x♥10-1-8
-5.0Round 14🇹🇷 Turkey53NT♥7-1-5
-5.1Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland163♠♠2-1+1
-5.2Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland123NT♠5-1-10
-5.3Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England133NT♣A-1-6
-5.3Round 10🇧🇪 Belgium34♠♦K-1-12
-5.5Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England163NT♠Q-1-10
-5.5Round 14🇹🇷 Turkey96♠♦2+1-1
-5.6Round 10🇧🇪 Belgium124♥♦K+3-7
-5.6Round 16🇮🇱 Israel151N♥8+2-6
-5.9Round 1🇩🇰 Denmark114♥♣6-1-6
-6.1Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland24♠x♣3-2-5
-6.4Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England36♠♠7+1-11
-6.6Round 8🇳🇱 Netherlands134♥♠5-1+0
-6.6Round 10🇧🇪 Belgium63NT♠2=-7
-6.7Round 6🇪🇪 Estonia93NT♥4-2-7
-7.1Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland156♥♣6-1-11
-7.5Round 11🇩🇪 Germany63NT♠9-3-14
-7.8Round 11🇩🇪 Germany74♥♣6=-3
-8.1Round 17🇸🇪 Sweden44♥♠8=-3
-9.2Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 England46♣♦6=-7
-9.2Round 11🇩🇪 Germany135♣x♠8-2-8
-9.9Round 2🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland32♥♣Q-2-16
-9.9Round 11🇩🇪 Germany124♠x♥4=-15
-12.2Round 13🇳🇴 Norway26♥♠6-2-14