🇵🇱 ROMANSKI Jacek · POLAND

20rank
+66.7Butler · 144 bds
+0.46per board
±4.0swing
+0.35vs par /bd · #26/108
+0.39adjusted /bd
Butler per round: 30.2 8.9 -1.7 -2.6 -15.9 16.3 18.8 5.6 7.1by round

vs par split: bidding +0.26 · play +0.09

Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted +0.39/bd

Card play — on target: opening leads 77.4% #65 of 108 · declarer play 88.9% #1 of 108 · defence 84.3% #52 of 108

Card play by contract type — on target
vs NTvs a suit
Opening leads61.5% (13)88.9% (18)
Declarer play86.7% (15)90.5% (21)
Defence82.8% (29)85.4% (41)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 75.0% (12) · ♦ 75.0% (8) · ♣ 80.0% (5)

vs par by strain: NT +1.05 (58) · a suit -0.12 (86)

vs par by level: part-score +0.83 (54) · game +0.09 (85) · slam -0.40 (5)

By role: declaring +0.45/bd (-2.12 vs par · 74) · defending +0.47/bd (+2.97 vs par · 70)

By vulnerability: vulnerable -0.25/bd (-0.51 vs par · 72) · not vulnerable +1.18/bd (+1.22 vs par · 72)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2A.KowalskiA.Comella – S.SabbatiniClosed16+30.2+1.89+2.06
Round 3A.KowalskiT.Jullis – T.PlekseppClosed16+8.9+0.56-1.25
Round 4A.KowalskiB.Efraimsson – M.AxdorphClosed16-1.7-0.11+1.00
Round 7A.KowalskiP.O'Briain – M.O'BriainClosed16-2.6-0.16+0.88
Round 9A.KowalskiD.Koch-Palmund – K.AdamsenOpen16-15.9-0.99-1.31
Round 11A.KowalskiP.Schurter – R.NikitineClosed16+16.3+1.02-0.38
Round 12A.KowalskiM.Kordov – R.TemizelClosed16+18.8+1.18+1.19
Round 15A.KowalskiW.Gosschalk – W.Van EijckClosed16+5.6+0.35+0.94
Round 19A.KowalskiJ.Stas – D.JohnsonOpen16+7.1+0.44+0.06

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
+14.7Round 2🇮🇹 ITALY274♠x♠Q-6+14
+11.8Round 12🇹🇷 TURKIYE134♥♦5-1+13
+11.2Round 15🇳🇱 NETHERLANDS323NT♠3-3+14
+10.8Round 4🇸🇪 SWEDEN196NT♥10-2+14
+9.5Round 12🇹🇷 TURKIYE123♠♦4+1+10
+8.5Round 12🇹🇷 TURKIYE23NTx♣7=+4
+7.4Round 9🇩🇰 DENMARK224♠♣3-3+14
+7.0Round 3🇪🇪 ESTONIA104♠♣6=+0
+7.0Round 11🇨🇭 SWITZERLAND275♣♠K-3+7
+6.9Round 11🇨🇭 SWITZERLAND253NT♦3=+0
+6.6Round 2🇮🇹 ITALY326♠♦J+1+5
+6.1Round 2🇮🇹 ITALY315♥♥9-3+1
+5.8Round 2🇮🇹 ITALY194♠♦9-2+8
+5.7Round 2🇮🇹 ITALY221NT♣6-1+12
+5.6Round 3🇪🇪 ESTONIA63♦♦K-2+2
+5.2Round 3🇪🇪 ESTONIA34♥♦A-1+6
+5.2Round 9🇩🇰 DENMARK273NT♠7=+0
+5.1Round 11🇨🇭 SWITZERLAND203NT♠7=-1
+5.1Round 15🇳🇱 NETHERLANDS313NT♥4+4+14
+4.9Round 15🇳🇱 NETHERLANDS183NT♣5-1+5
+4.4Round 9🇩🇰 DENMARK303♠♦2-1+5
+4.3Round 4🇸🇪 SWEDEN303NT♥3=-1
+4.2Round 11🇨🇭 SWITZERLAND195♦♣K-2+9
+3.7Round 12🇹🇷 TURKIYE73♥♣A=+6
+3.6Round 15🇳🇱 NETHERLANDS273♣♥4=+5
+3.4Round 2🇮🇹 ITALY251NTx♦6=+7
+3.2Round 19🇧🇪 BELGIUM213NT♥A=+0
+2.9Round 7🇮🇪 IRELAND234♠♣Q=+0
+2.9Round 7🇮🇪 IRELAND323♥♦J=+7
+2.9Round 9🇩🇰 DENMARK182♥♦2-2+6
+2.8Round 3🇪🇪 ESTONIA92♠♥2+1+0
+2.8Round 4🇸🇪 SWEDEN251NT♥9=+0
+2.8Round 12🇹🇷 TURKIYE14♠♦10=+0
+2.6Round 7🇮🇪 IRELAND272♦♠4-1+8
+2.5Round 7🇮🇪 IRELAND282♠♣9-2+1
+2.2Round 3🇪🇪 ESTONIA143♠♦A+1+2
+2.1Round 4🇸🇪 SWEDEN311♥♦7+1+1
+2.1Round 12🇹🇷 TURKIYE113♠♣K-1+4
+2.0Round 11🇨🇭 SWITZERLAND323NT♠3=+13
+1.9Round 11🇨🇭 SWITZERLAND221NT♠3=+5
+1.8Round 19🇧🇪 BELGIUM294♠♥10+1-16
+1.5Round 15🇳🇱 NETHERLANDS172NT♦4+2-6
+1.4Round 9🇩🇰 DENMARK214♣♠A=+0
+1.4Round 12🇹🇷 TURKIYE162♥♠2=+1
+1.4Round 15🇳🇱 NETHERLANDS253♠♥K=+10
+1.4Round 19🇧🇪 BELGIUM284♠♣3+1+0
+1.3Round 19🇧🇪 BELGIUM245♠♥Q=+11
+1.2Round 2🇮🇹 ITALY293NT♠2+2+0
+1.2Round 7🇮🇪 IRELAND203NT♥2=+2
+1.2Round 9🇩🇰 DENMARK324♠♠K=-1
+1.2Round 12🇹🇷 TURKIYE101NT♠3+2+1
+1.2Round 19🇧🇪 BELGIUM263NT♠5+3-13
+1.1Round 4🇸🇪 SWEDEN235♣♠K=+0
+1.1Round 11🇨🇭 SWITZERLAND284♦♥K-1-5
+1.1Round 19🇧🇪 BELGIUM183NT♠10-1+6
+1.0Round 4🇸🇪 SWEDEN322♦♣K+1-1
+0.9Round 2🇮🇹 ITALY233NT♦4+3+1
+0.9Round 3🇪🇪 ESTONIA54♥♠3+1+0
+0.9Round 3🇪🇪 ESTONIA83NT♦9+2-10
+0.9Round 7🇮🇪 IRELAND194♥♠6+1+0
+0.9Round 15🇳🇱 NETHERLANDS293NT♦Q=+0
+0.8Round 11🇨🇭 SWITZERLAND303NT♥J=+2
+0.6Round 3🇪🇪 ESTONIA161NT♦J=+0
+0.6Round 19🇧🇪 BELGIUM233NT♦6+3+13
+0.6Round 19🇧🇪 BELGIUM251NT♠5=+2
+0.5Round 2🇮🇹 ITALY281NT♦2=+0
+0.5Round 7🇮🇪 IRELAND252NT♠3-2+5
+0.5Round 11🇨🇭 SWITZERLAND233NT♦6+1+0
+0.5Round 19🇧🇪 BELGIUM273♦♥A-1+8
+0.4Round 4🇸🇪 SWEDEN262♦♠8+1-1
+0.4Round 9🇩🇰 DENMARK242♠♣7=+0
+0.4Round 19🇧🇪 BELGIUM223NT♣10=-2
+0.2Round 12🇹🇷 TURKIYE63NT♦6+1+0
+0.2Round 15🇳🇱 NETHERLANDS194♥♥6+2+3
+0.2Round 19🇧🇪 BELGIUM313NT♥6=-1
+0.1Round 3🇪🇪 ESTONIA73NT♥Q=-1
+0.1Round 7🇮🇪 IRELAND262♠♥3+2+8
-0.0Round 4🇸🇪 SWEDEN291♥♠6+2+0
+0.0Round 11🇨🇭 SWITZERLAND243♠♣4+1-6
-0.1Round 2🇮🇹 ITALY244♥♦K=+0
-0.1Round 7🇮🇪 IRELAND173NT♦6=+1
-0.1Round 12🇹🇷 TURKIYE141NT♥8+1+0
-0.2Round 7🇮🇪 IRELAND313♣♠4=+0
-0.2Round 11🇨🇭 SWITZERLAND312♠♣9=+7
-0.2Round 19🇧🇪 BELGIUM203NT♥6+1+0
-0.3Round 11🇨🇭 SWITZERLAND294♥♠K+1-13
-0.4Round 2🇮🇹 ITALY214♠♠K+1+0
-0.4Round 15🇳🇱 NETHERLANDS204♣♥K=+0
-0.5Round 19🇧🇪 BELGIUM304♠♣8-1-8
-0.6Round 7🇮🇪 IRELAND213NT♦5-2-5
-0.7Round 9🇩🇰 DENMARK253NT♥7+2-1
-0.8Round 4🇸🇪 SWEDEN283NT♣6+1+1
-0.8Round 11🇨🇭 SWITZERLAND174♠♦10=+0
-0.8Round 12🇹🇷 TURKIYE83NT♠J+1+0
-0.8Round 15🇳🇱 NETHERLANDS214♥♠7=+0
-0.8Round 19🇧🇪 BELGIUM324♥♠K+1+0
-0.9Round 15🇳🇱 NETHERLANDS244♥♠Q=+0
-1.0Round 7🇮🇪 IRELAND293♦♥A+2-10
-1.1Round 2🇮🇹 ITALY174♠♦9-1-8
-1.1Round 2🇮🇹 ITALY203♠♥4+1+1
-1.1Round 4🇸🇪 SWEDEN173NT♠J+3+11
-1.1Round 9🇩🇰 DENMARK204♥♣10+1-13
-1.1Round 15🇳🇱 NETHERLANDS284♠♦J+1-1
-1.4Round 12🇹🇷 TURKIYE53NT♠3+4-2
-1.5Round 3🇪🇪 ESTONIA24♥♦J+1-1
-1.6Round 3🇪🇪 ESTONIA132♥♠J-1-5
-1.6Round 3🇪🇪 ESTONIA153♣♠6=-1
-1.6Round 19🇧🇪 BELGIUM173NT♠6=+1
-1.8Round 9🇩🇰 DENMARK313NT♣9=+0
-2.1Round 3🇪🇪 ESTONIA124♥♥2=+0
-2.1Round 4🇸🇪 SWEDEN182♦♠J-1-5
-2.1Round 4🇸🇪 SWEDEN273NT♥4-1-10
-2.1Round 19🇧🇪 BELGIUM193♠♣A=+0
-2.2Round 7🇮🇪 IRELAND183NT♦4+3+12
-2.3Round 11🇨🇭 SWITZERLAND182♠♥8=+0
-2.5Round 11🇨🇭 SWITZERLAND214♥♦A-1-12
-2.6Round 4🇸🇪 SWEDEN203NT♠J+2+13
-2.6Round 9🇩🇰 DENMARK171NT♥6+1-6
-2.7Round 2🇮🇹 ITALY184♠♠8=+0
-2.7Round 15🇳🇱 NETHERLANDS263NT♣2=-2
-2.8Round 3🇪🇪 ESTONIA113NT♠J=+1
-2.8Round 12🇹🇷 TURKIYE43NT♦4-1-5
-2.9Round 9🇩🇰 DENMARK284♥♥J=+0
-3.0Round 3🇪🇪 ESTONIA13♣♦Q-2-5
-3.2Round 2🇮🇹 ITALY304♥♠K-1-8
-3.2Round 9🇩🇰 DENMARK232♥♣Q+1+0
-3.2Round 15🇳🇱 NETHERLANDS302♠♦K=-5
-3.3Round 7🇮🇪 IRELAND243♠♥A-3-6
-3.8Round 3🇪🇪 ESTONIA44♥♣A-3-8
-4.2Round 7🇮🇪 IRELAND222♥♦K+1+0
-4.4Round 12🇹🇷 TURKIYE153♠♥5=-6
-4.6Round 4🇸🇪 SWEDEN243NT♥A-1-5
-4.6Round 7🇮🇪 IRELAND306♦♠J=-9
-4.8Round 12🇹🇷 TURKIYE93NT♦7-2-2
-5.0Round 4🇸🇪 SWEDEN223♥♠10=-1
-5.1Round 9🇩🇰 DENMARK294♥♠K+1-4
-5.9Round 4🇸🇪 SWEDEN215♦x♥6-1+0
-6.1Round 2🇮🇹 ITALY267♥♥J=+0
-6.5Round 15🇳🇱 NETHERLANDS223NT♥6=-10
-7.1Round 11🇨🇭 SWITZERLAND265♥♦5-1-12
-7.6Round 15🇳🇱 NETHERLANDS236♦♠Q-1-12
-8.1Round 12🇹🇷 TURKIYE33NT♥10-3-5
-8.8Round 9🇩🇰 DENMARK193NT♦5+3-11
-12.6Round 9🇩🇰 DENMARK263♦x♠7-4-10