🇵🇱 ROMANSKI Jacek · POLAND

11rank
+94.8Butler · 176 bds
+0.54per board
±4.2swing
-0.19vs par /bd · #92/150
+0.49adjusted /bd
Butler per round: -4 14.8 36.3 11.9 6.9 30.5 12.3 5.9 9.3 -17.5 -11.6by round

vs par split: bidding -0.52 · play +0.33

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted +0.49/bd

Card play — on target: opening leads 84.4% #33 of 150 · declarer play 80.0% #36 of 150 · defence 88.5% #51 of 150

Card play by contract type — on target
vs NTvs a suit
Opening leads87.5% (8)83.8% (37)
Declarer play73.3% (15)83.3% (30)
Defence77.8% (18)91.3% (69)

Opening leads by suit led: ♠ 92.3% (13) · ♥ 72.7% (11) · ♦ 90.0% (10) · ♣ 81.8% (11)

vs par by strain: NT -1.11 (46) · a suit +0.13 (130)

vs par by level: part-score -0.39 (65) · game -0.42 (98) · slam +2.46 (13)

By role: declaring +0.67/bd (-1.93 vs par · 89) · defending +0.40/bd (+1.59 vs par · 87)

By vulnerability: vulnerable +0.61/bd (-0.26 vs par · 88) · not vulnerable +0.47/bd (-0.12 vs par · 88)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.KowalskiR.Maesel – H.MaeselOpen16-4.0-0.25-0.62
Round 2A.KowalskiZ.Petrovic – S.BabicClosed16+14.8+0.93+0.00
Round 3A.KowalskiA.Maas – B.VriendOpen16+36.3+2.27+1.62
Round 4A.KowalskiJ.Simm – P.LondOpen16+11.9+0.74-0.38
Round 5A.KowalskiD.Price – C.SimpsonOpen16+6.9+0.43-1.81
Round 6A.KowalskiG.Szappanos – P.MagyarOpen16+30.5+1.91+2.44
Round 7A.KowalskiF.Terraneo – J.BambergerOpen16+12.3+0.77-1.00
Round 8A.KowalskiS.Bjerregard – A.MorathOpen16+5.9+0.37-0.38
Round 9A.KowalskiA.Antonov – S.DarakchievOpen16+9.3+0.58+1.50
Round 10A.KowalskiA.Mesbur – N.FitzgibbonOpen16-17.5-1.09-2.94
Round 11A.KowalskiN.Henriksen – H.SorensenOpen16-11.6-0.72-0.56

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 4🇪🇪 ESTONIA237♠♣2=+13
+13.7Round 8🇸🇪 SWEDEN247♠♦5-2+17
+11.0Round 6🇭🇺 HUNGARY313NT♠8-1+12
+10.2Round 9🇧🇬 BULGARIA76♦♥2-1+12
+8.8Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♠♦2+1+4
+8.6Round 2🇭🇷 CROATIA294♠x♥6-2+8
+8.6Round 3🇳🇱 NETHERLANDS124♥♥7=+0
+8.6Round 10🇮🇪 IRELAND245♦♣Q=+3
+8.0Round 6🇭🇺 HUNGARY255♥♠A-1+11
+7.7Round 6🇭🇺 HUNGARY194♠♣3=+0
+7.6Round 7🇦🇹 AUSTRIA24♥♦A-1+10
+7.3Round 3🇳🇱 NETHERLANDS134♠♥4-1+11
+6.4Round 1🇳🇴 NORWAY93NT♦A+1+7
+6.4Round 2🇭🇷 CROATIA176♠♦K=+0
+6.4Round 4🇪🇪 ESTONIA283NT♠K-3+7
+6.4Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♠♦2-2+6
+6.4Round 7🇦🇹 AUSTRIA36♠♦7-1+13
+6.3Round 7🇦🇹 AUSTRIA53NT♦10+2-13
+5.6Round 9🇧🇬 BULGARIA133NT♠4+1+11
+5.1Round 8🇸🇪 SWEDEN293NT♠K+1+1
+5.0Round 9🇧🇬 BULGARIA15♥♣A+1+8
+4.9Round 3🇳🇱 NETHERLANDS64♥♦A-1+10
+4.9Round 9🇧🇬 BULGARIA25♥x♠K-3+0
+4.8Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND21NT♠2-1+6
+4.4Round 3🇳🇱 NETHERLANDS154♠♣3=+1
+3.9Round 6🇭🇺 HUNGARY235♥♣K+1+9
+3.8Round 6🇭🇺 HUNGARY321NT♦6=+5
+3.7Round 3🇳🇱 NETHERLANDS102♦♦4-1+6
+3.7Round 7🇦🇹 AUSTRIA84♠♦7-2+6
+3.7Round 9🇧🇬 BULGARIA155♣♥Q+1+9
+3.7Round 11🇩🇰 DENMARK134♠♣5-1+6
+3.6Round 4🇪🇪 ESTONIA293NT♣5+1+1
+3.6Round 7🇦🇹 AUSTRIA114♥♦K-1+8
+3.5Round 10🇮🇪 IRELAND183NT♣7+2+2
+3.4Round 2🇭🇷 CROATIA284♥♦K=+11
+3.4Round 8🇸🇪 SWEDEN324♠x♦3-1+0
+3.3Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND163♥♣10-1+4
+3.3Round 10🇮🇪 IRELAND272NT♠3=+0
+3.2Round 1🇳🇴 NORWAY54♥♦6+1+0
+3.2Round 2🇭🇷 CROATIA273♣♥5+1+10
+3.2Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♦♣6+1+0
+3.2Round 7🇦🇹 AUSTRIA123NT♠8-1+5
+3.1Round 10🇮🇪 IRELAND204♠♣A-1+6
+2.9Round 3🇳🇱 NETHERLANDS162♠♣K=+0
+2.9Round 7🇦🇹 AUSTRIA91NT♥3=+0
+2.8Round 1🇳🇴 NORWAY133♣♥2=+0
+2.8Round 3🇳🇱 NETHERLANDS83♥♠A=+1
+2.7Round 11🇩🇰 DENMARK12♥♥2-1+4
+2.5Round 3🇳🇱 NETHERLANDS72♠♥Q-3-5
+2.3Round 3🇳🇱 NETHERLANDS13♥♠A+1-7
+2.3Round 4🇪🇪 ESTONIA176♥x♠2-1+5
+2.3Round 4🇪🇪 ESTONIA301NT♥4=+0
+2.2Round 9🇧🇬 BULGARIA82♠♣6-2+0
+2.1Round 1🇳🇴 NORWAY111♥♠K+3+1
+2.1Round 2🇭🇷 CROATIA183NT♦A+3+2
+2.0Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♠♥Q-1-11
+1.9Round 1🇳🇴 NORWAY14♥♣T=+3
+1.9Round 2🇭🇷 CROATIA215♦♠4+1+1
+1.9Round 8🇸🇪 SWEDEN204♥♠A-2+8
+1.9Round 10🇮🇪 IRELAND191NT♣3=+5
+1.8Round 9🇧🇬 BULGARIA143♦♣J=+0
+1.8Round 11🇩🇰 DENMARK93♥♣K-3+10
+1.7Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND55♦♠2=-1
+1.7Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♦K+2+1
+1.7Round 9🇧🇬 BULGARIA162♥♣Q=+0
+1.6Round 6🇭🇺 HUNGARY174♠♥6=+11
+1.4Round 6🇭🇺 HUNGARY244♠♦6=-1
+1.3Round 3🇳🇱 NETHERLANDS45♥x♠4-1+0
+1.3Round 11🇩🇰 DENMARK51NT♥10-1+8
+1.1Round 8🇸🇪 SWEDEN182♣♦A+1+0
+1.0Round 4🇪🇪 ESTONIA195♦♠3=-2
+1.0Round 4🇪🇪 ESTONIA263NT♠9+1+0
+1.0Round 4🇪🇪 ESTONIA324♠♠4+2-11
+1.0Round 7🇦🇹 AUSTRIA41NT♠3-1+0
+1.0Round 8🇸🇪 SWEDEN224♦♠A-2+9
+1.0Round 11🇩🇰 DENMARK154♥♦J=+1
+0.9Round 1🇳🇴 NORWAY124♠♦6+2-12
+0.8Round 7🇦🇹 AUSTRIA63NT♥10+2+1
+0.7Round 2🇭🇷 CROATIA303NT♠5+2+1
+0.6Round 3🇳🇱 NETHERLANDS51NT♦7=+2
+0.6Round 6🇭🇺 HUNGARY301NT♠5-2+0
+0.6Round 8🇸🇪 SWEDEN284♠♣A=+1
+0.6Round 11🇩🇰 DENMARK63NT♣Q+3-14
+0.5Round 1🇳🇴 NORWAY63♣♦4=-7
+0.5Round 10🇮🇪 IRELAND313♠♦6=-10
+0.4Round 1🇳🇴 NORWAY162♠♣Q+3-6
+0.4Round 3🇳🇱 NETHERLANDS143♠♥2=+1
+0.4Round 4🇪🇪 ESTONIA252♥♦8=+1
+0.4Round 10🇮🇪 IRELAND264♥♠7+1+0
+0.4Round 10🇮🇪 IRELAND281NTx♠A-1-1
+0.3Round 11🇩🇰 DENMARK143♦♣A-1+4
+0.2Round 2🇭🇷 CROATIA243NT♥3+1+0
+0.2Round 6🇭🇺 HUNGARY263NT♥3+2+1
+0.1Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND12♠♦6=+0
+0.1Round 7🇦🇹 AUSTRIA12♦♥K=+0
+0.0Round 7🇦🇹 AUSTRIA132♠♦4=+0
+0.0Round 11🇩🇰 DENMARK34♠♣5+1+0
+0.0Round 11🇩🇰 DENMARK83♠♦4-1-6
-0.1Round 2🇭🇷 CROATIA314♥♠2=+0
-0.1Round 6🇭🇺 HUNGARY201NT♠3+2+0
-0.1Round 8🇸🇪 SWEDEN274♥♠3+1+0
-0.2Round 6🇭🇺 HUNGARY283♣♦A+1+0
-0.2Round 9🇧🇬 BULGARIA103♦♠A=+0
-0.3Round 7🇦🇹 AUSTRIA144♠♣5-1-5
-0.4Round 2🇭🇷 CROATIA324♥♠Q-1-5
-0.4Round 6🇭🇺 HUNGARY184♥♠K-3-2
-0.4Round 10🇮🇪 IRELAND172♠♣4=+1
-0.4Round 11🇩🇰 DENMARK115♦♠K-1-5
-0.5Round 2🇭🇷 CROATIA265♠♣9-1-7
-0.5Round 3🇳🇱 NETHERLANDS114♠♥2=+11
-0.5Round 10🇮🇪 IRELAND221NT♦5+1-7
-0.6Round 2🇭🇷 CROATIA191NT♠3+1-7
-0.6Round 9🇧🇬 BULGARIA124♥♦6=+1
-0.7Round 1🇳🇴 NORWAY32♠♣K-1+2
-0.7Round 4🇪🇪 ESTONIA274♠♥2=-1
-0.7Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND122♠♣3-1-1
-0.8Round 1🇳🇴 NORWAY152♠♦9+1+0
-0.8Round 4🇪🇪 ESTONIA183NT♠5=+2
-0.8Round 8🇸🇪 SWEDEN306♣♦2=-2
-0.8Round 11🇩🇰 DENMARK24♥♦8+1+0
-0.9Round 3🇳🇱 NETHERLANDS93NT♥2-1-6
-0.9Round 6🇭🇺 HUNGARY214♠♣9+1+0
-1.0Round 1🇳🇴 NORWAY142♠♣8=+0
-1.0Round 2🇭🇷 CROATIA204♥♦3+1+0
-1.2Round 4🇪🇪 ESTONIA222♥♠Q+1+0
-1.2Round 8🇸🇪 SWEDEN263NT♥6+2-12
-1.3Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♣♠A-1-5
-1.4Round 1🇳🇴 NORWAY74♠♦A=-3
-1.5Round 1🇳🇴 NORWAY24♥♣Q=+0
-1.6Round 9🇧🇬 BULGARIA112NT♣K-1-2
-1.8Round 3🇳🇱 NETHERLANDS26♠♣2+1+13
-1.8Round 6🇭🇺 HUNGARY294♥♣K+2-1
-1.8Round 8🇸🇪 SWEDEN213♠♥4-1+5
-1.8Round 8🇸🇪 SWEDEN255♦♥8+1-11
-1.9Round 2🇭🇷 CROATIA224♠♥Q+2-11
-2.0Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♥♣3+3-2
-2.0Round 6🇭🇺 HUNGARY271NT♥10+2-6
-2.0Round 8🇸🇪 SWEDEN231♦♣J+2-6
-2.0Round 11🇩🇰 DENMARK124♠♣K=+0
-2.2Round 3🇳🇱 NETHERLANDS33NT♦3+3-12
-2.2Round 7🇦🇹 AUSTRIA104♠♥7-1-12
-2.2Round 10🇮🇪 IRELAND253♥♣K+1-6
-2.3Round 6🇭🇺 HUNGARY224♥♠Q=+0
-2.6Round 2🇭🇷 CROATIA254♠♦A=-3
-2.7Round 1🇳🇴 NORWAY43♣♦4=+12
-2.7Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND32♥♣A+2-4
-2.7Round 10🇮🇪 IRELAND293NT♥J-1-5
-2.8Round 8🇸🇪 SWEDEN315♦♠5-2-7
-2.9Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143♦♥A+1-1
-3.1Round 4🇪🇪 ESTONIA215♠♣A-2+0
-3.1Round 9🇧🇬 BULGARIA63NT♥6+2+0
-3.2Round 9🇧🇬 BULGARIA46NT♦8=+0
-3.2Round 9🇧🇬 BULGARIA53NT♠J+1+0
-3.2Round 10🇮🇪 IRELAND216♥♦5=+0
-3.4Round 7🇦🇹 AUSTRIA73♥♣A+2-10
-3.6Round 4🇪🇪 ESTONIA245♠♣K=+0
-3.6Round 8🇸🇪 SWEDEN174♥♦4+1-1
-3.6Round 11🇩🇰 DENMARK102♣♥K+1+0
-3.7Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND102♥♦7=-6
-4.3Round 11🇩🇰 DENMARK46♥♣K-2-9
-4.3Round 11🇩🇰 DENMARK163♦♠A=+0
-4.6Round 2🇭🇷 CROATIA233♦♣A=+0
-5.2Round 4🇪🇪 ESTONIA205♥♠J-3-8
-5.2Round 9🇧🇬 BULGARIA93NT♦5-2-6
-5.3Round 4🇪🇪 ESTONIA314♠♣4=-13
-5.5Round 7🇦🇹 AUSTRIA154♣♠Q+1-8
-5.7Round 1🇳🇴 NORWAY105♥♠K-1-7
-6.8Round 8🇸🇪 SWEDEN193NT♥3+1-8
-6.9Round 10🇮🇪 IRELAND324♠♥5+1-11
-7.6Round 11🇩🇰 DENMARK73NT♣J-2-8
-8.4Round 1🇳🇴 NORWAY83NT♥Q=+0
-8.7Round 9🇧🇬 BULGARIA33NT♠3+4-9
-8.8Round 10🇮🇪 IRELAND234♠♥10=-10
-11.8Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND46♣♦8-1-19
-11.9Round 7🇦🇹 AUSTRIA166♣♠A=-11
-14.5Round 10🇮🇪 IRELAND303NTx♦6-5-14