KOWALSKI Apolinary · BORTOLETTI

20rank
+86.4Butler · 120 bds
+0.72per board
±4.3swing
+0.43vs par /bd · #79/311
+0.67adjusted /bd
Butler per round: 23.8 8.8 -10.2 -2 20.8 4.3 32.5 17.8 -7.7 1.9 15.1 -18.7by round

vs par split: bidding +0.07 · play +0.37

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.67/bd

Card play — on target: opening leads 76.9% #192 of 310 · declarer play 68.2% #245 of 311 · defence 94.8% #11 of 311

Card play by contract type — on target
vs NTvs a suit
Opening leads55.6% (9)88.2% (17)
Declarer play50.0% (8)78.6% (14)
Defence100.0% (21)91.9% (37)

Opening leads by suit led: ♠ 62.5% (8) · ♥ 80.0% (5) · ♦ 71.4% (7) · ♣ 100.0% (6)

vs par by strain: NT +0.26 (47) · a suit +0.55 (73)

vs par by level: part-score +1.19 (42) · game +0.27 (70) · slam -2.12 (8)

By role: declaring +1.11/bd (-1.21 vs par · 62) · defending +0.30/bd (+2.19 vs par · 58)

By vulnerability: vulnerable +0.47/bd (+0.21 vs par · 63) · not vulnerable +1.00/bd (+0.68 vs par · 57)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.RomanskiP.Dias – J.CastanheiraClosed10+23.8+2.38+1.60
Round 3J.RomanskiJ.Pszczola – M.SakrClosed10+8.8+0.88+1.20
Round 4J.RomanskiC.Mann – A.SandinOpen10-10.2-1.02-3.30
Round 6J.RomanskiG.Venkatesh – A.PadhyeOpen10-2.0-0.20+0.40
Round 7J.RomanskiF.Mazzadi – C.BurgioClosed10+20.8+2.08+2.20
Round 8J.RomanskiR.Rohowsky – P.GruenkeClosed10+4.3+0.43+0.70
Round 9J.RomanskiB.Abou Chanab – M.SasselliOpen10+32.5+3.25+0.80
Round 10J.RomanskiM.Pisak – T.AlufClosed10+17.8+1.78+1.50
Round 12J.RomanskiD.Bilde – G.DuboinOpen10-7.7-0.77-2.00
Round 13J.RomanskiC.Cros – E.BourgeauxClosed10+1.9+0.19+1.10
Round 14J.RomanskiR.Pachtman – P.ZatorskiClosed10+15.1+1.51+1.50
Round 15J.RomanskiR.Marsal – H.KlumppOpen10-18.7-1.87-0.50

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
+12.9Round 14BRIDGESCANNER172NTx♦Q+1+14
+12.4Round 7COMELLA55♦x♥K+1+14
+9.6Round 9SWISS BAMS284♥♣Q-2+13
+8.4Round 9SWISS BAMS293♣♦5+2+10
+7.9Round 13ABCT16♠♣Q-2+11
+7.8Round 13ABCT42♠♣A-3+15
+7.8Round 14BRIDGESCANNER204♠♦J=+0
+6.9Round 4HAJC41♦♥Q+4+11
+6.9Round 10FOX62NT♦2=+8
+6.8Round 1LARA103NT♠7+2+0
+6.7Round 6TEXAN ACES257NT♠9=+0
+6.2Round 1LARA73NT♦8=+0
+6.2Round 6TEXAN ACES293♠♦K-2+7
+6.1Round 8AMALIA155♠♥7+2+3
+6.0Round 7COMELLA73NT♣A+1+0
+5.9Round 1LARA83NT♠J-3+11
+5.9Round 10FOX23NT♣5+1+1
+5.7Round 7COMELLA104♥♠K+1+0
+5.4Round 12LAVAZZA264♥♥5-1+13
+5.3Round 8AMALIA134♥♠8=+0
+4.7Round 3PEPSI286♥♦K=+0
+4.3Round 3PEPSI273NT♥Q-1+10
+4.0Round 9SWISS BAMS233♠♥K-3-8
+3.9Round 4HAJC13NT♥2=+6
+3.4Round 4HAJC81NT♣10+1+0
+3.4Round 8AMALIA191NT♥2-1+10
+3.3Round 3PEPSI253♦♠3-2+6
+3.2Round 1LARA42♠♣K-1-1
+3.1Round 9SWISS BAMS226♠♦6=+0
+3.1Round 9SWISS BAMS244NT♦2+1-11
+2.9Round 9SWISS BAMS275♥♠A-2+5
+2.9Round 10FOX81NT♠10+1+1
+2.8Round 10FOX52♦♠2-2+2
+2.7Round 9SWISS BAMS211NT♦J+2+0
+2.7Round 10FOX93♦♥A-1+4
+2.4Round 12LAVAZZA252♠♥5=+5
+2.3Round 1LARA53♥♦9+1+1
+2.3Round 6TEXAN ACES274♠♥Q+1+11
+2.3Round 14BRIDGESCANNER143NT♥5-2+6
+2.2Round 12LAVAZZA283NT♦5+3-10
+2.1Round 8AMALIA182♥♠K+1+0
+2.1Round 13ABCT83NT♦Q+2+0
+1.9Round 13ABCT23♦♠Q=+0
+1.8Round 1LARA23NT♠7=+6
+1.5Round 7COMELLA92♥♦A+2+7
+1.4Round 9SWISS BAMS305♣x♦3-2+0
+1.3Round 10FOX33NT♥6+2+10
+1.2Round 7COMELLA64♠♥4=+0
+1.1Round 1LARA64♠♦A=-1
+1.1Round 7COMELLA13NT♣10+1+0
+1.1Round 8AMALIA201NT♦6+1+5
+1.1Round 15GERMAN SENIORS233♦♣K=+0
+1.0Round 6TEXAN ACES304♠♦K+1+0
+1.0Round 7COMELLA83NT♣A-2+5
+0.9Round 14BRIDGESCANNER153♣♥Q=+0
+0.8Round 3PEPSI213NT♥Q+1+0
+0.8Round 14BRIDGESCANNER122♥♥10=+9
+0.8Round 15GERMAN SENIORS224♥♦A=+0
+0.7Round 7COMELLA41NT♠9+1+0
+0.7Round 15GERMAN SENIORS242♠♣K+1+1
+0.6Round 1LARA93NT♦6+1+0
+0.6Round 3PEPSI231NT♦J-1+0
+0.6Round 6TEXAN ACES243NT♠6=+1
+0.6Round 12LAVAZZA213NT♦5=+0
+0.6Round 15GERMAN SENIORS294♥♠A=+1
+0.4Round 10FOX43NT♠2=+1
+0.4Round 12LAVAZZA244♠♥5+1+1
+0.3Round 8AMALIA114♠♦Q=+0
+0.2Round 13ABCT94♠♥2=+3
+0.2Round 14BRIDGESCANNER131NT♠7-2+3
+0.1Round 4HAJC74♠♣K+1+0
-0.0Round 14BRIDGESCANNER183♦♦Q=-1
-0.0Round 15GERMAN SENIORS254♠♥7=+0
-0.1Round 3PEPSI223NT♦J+2+11
-0.1Round 3PEPSI241NT♠K-2+0
-0.2Round 14BRIDGESCANNER112♥♣9+1-7
-0.2Round 14BRIDGESCANNER161NT♣3+1+0
-0.5Round 1LARA34♠♥3+1+0
-0.5Round 3PEPSI301NTx♠8-1-7
-0.5Round 8AMALIA164♥♣9=+1
-0.5Round 10FOX13NT♠J+2+0
-0.6Round 9SWISS BAMS254♥♦J+1+0
-0.7Round 4HAJC23NT♥3-2-5
-0.8Round 3PEPSI294♠♣6-1+1
-0.8Round 4HAJC54NT♠4+1-11
-0.8Round 4HAJC63♦♥K-2+0
-0.9Round 15GERMAN SENIORS275♠♦J=+0
-1.0Round 10FOX103♣♣10-1-11
-1.1Round 8AMALIA173NT♥6=-2
-1.4Round 15GERMAN SENIORS215♣♦A=-2
-1.5Round 6TEXAN ACES231♦♣7-1-5
-1.6Round 15GERMAN SENIORS303NT♣7+2+0
-1.7Round 13ABCT103NT♠7+2-13
-1.9Round 13ABCT64♦♣A-1-5
-2.1Round 6TEXAN ACES213♠♣2=-1
-2.1Round 9SWISS BAMS263NT♦Q+3-1
-2.3Round 7COMELLA24♥♣K=-3
-2.5Round 12LAVAZZA294♠♦5=+0
-2.8Round 12LAVAZZA274♠♦5=+1
-3.1Round 13ABCT37♦♠3=+0
-3.4Round 3PEPSI264♥♦9-3-9
-3.4Round 8AMALIA143NT♣3-1-10
-3.6Round 1LARA14♠♥A=+0
-3.6Round 10FOX72♥♠K+1-1
-3.6Round 12LAVAZZA223NT♥5-2-13
-3.6Round 13ABCT74♥♠3+2+13
-4.0Round 6TEXAN ACES224♥♦2=+0
-4.2Round 12LAVAZZA304♠♦5=-7
-4.8Round 6TEXAN ACES262♥♠7-2-3
-5.5Round 4HAJC94♠x♣10-2-8
-5.6Round 12LAVAZZA233♠♥5=-10
-6.4Round 6TEXAN ACES283NT♣4-2-6
-6.4Round 15GERMAN SENIORS263NT♥A-2-7
-6.5Round 7COMELLA33NT♠J+1-1
-7.7Round 13ABCT56♦♠K=-13
-8.0Round 4HAJC36♦♠9-2-17
-8.7Round 4HAJC103♦x♠J-2-9
-9.0Round 8AMALIA125♦♣K=+0
-9.4Round 14BRIDGESCANNER194♠x♣9=-9
-11.6Round 15GERMAN SENIORS287♦♦4=+2