ROMANOWSKI Jerzy · ROSSARSKI

643rank
-68.4Butler · 140 bds
-0.49per board
±3.7swing
-1.23vs par /bd · #647/672
-0.31adjusted /bd
Butler per round: 14.2 -16.6 16.4 -3.9 -8.7 28.4 13.9 -19.2 -26 -7.2 -1.6 -33.5 6.8 -31.4by round

vs par split: bidding -0.29 · play -0.70

Strength of schedule: opponents averaged +0.18/bd (a tough draw) → opponent-adjusted -0.31/bd

Card play — on target: opening leads 85.7% #213 of 671 · declarer play 68.0% #543 of 671 · defence 77.1% #573 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·85.7% (28)
Declarer play·68.0% (25)
Defence·77.1% (48)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 90.0% (10) · ♦ 100.0% (7) · ♣ 66.7% (6)

vs par by strain: a suit -0.93 (94)

vs par by level: part-score -1.15 (46) · game +0.91 (43) · slam -14.60 (5)

By role: declaring -0.12/bd (-2.71 vs par · 72) · defending -0.88/bd (+0.34 vs par · 68)

By vulnerability: vulnerable -0.30/bd (-1.41 vs par · 78) · not vulnerable -0.73/bd (-1.00 vs par · 62)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.RossardG.Gross – E.MauberquezClosed10+14.2+1.42+0.00
Round 2M.RossardZ.Chen – J.LinClosed10-16.6-1.66-5.40
Round 3M.RossardB.Fu – H.LiClosed10+16.4+1.64+0.10
Round 4M.RossardK.Lasocki – J.RussyanClosed10-3.9-0.39-0.30
Round 6M.RossardB.Yuan – J.LuClosed10-8.7-0.87-0.20
Round 7M.RossardX.Wu – Y.WangClosed10+28.4+2.84+1.80
Round 8M.RossardY.Lian – X.FuClosed10+13.9+1.39+0.90
Round 9M.RossardK.Moller – J.AukenClosed10-19.2-1.92-2.60
Round 10M.RossardJ.Shah – P.SridharanClosed10-26.0-2.60-3.50
Round 11M.RossardG.Xin – X.LinClosed10-7.2-0.72-0.90
Round 12M.RossardE.Sophonpanich – S.BaisamutClosed10-1.6-0.16+0.80
Round 13M.RossardD.Hoffman – R.KlingerClosed10-33.5-3.35-6.50
Round 14M.RossardR.Muller – I.PetrovicClosed10+6.8+0.68+3.00
Round 15M.RossardJ.Wilkinson – S.NewtonClosed10-31.4-3.14-4.40

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
+9.7Round 8PUDONGPUFA CLUB204♠♥5-1+12
+9.0Round 7LIAONING55♠x♦Q=+10
+8.7Round 7LIAONING85♦x♣2=+6
+7.9Round 3SHANGHAI YOUTH 4293♦♥Q+2+11
+7.8Round 14SVER184♥♦A=+5
+7.7Round 3SHANGHAI YOUTH 4273N♥9+2+8
+5.9Round 3SHANGHAI YOUTH 4263N♣5-1+5
+5.6Round 7LIAONING92♥♦A+4+13
+5.4Round 8PUDONGPUFA CLUB113N♦J+2+4
+5.0Round 6TAICANG BA254♥♦8-2+8
+4.8Round 11SHANGHAI JIAHENG172♠♥A-4+3
+4.7Round 1GROSS24♠♠Q-2+5
+4.7Round 1GROSS34N♥9+1+0
+4.6Round 7LIAONING65♣x♦A-4+4
+4.0Round 14SVER123♥♠3=+1
+3.5Round 12TSEP303♥♦A=+0
+3.4Round 4POLISH SENIORS84♠♦Q-1+5
+3.3Round 3SHANGHAI YOUTH 4303N♥7=-6
+3.2Round 12TSEP262♥♣A+1+0
+3.1Round 8PUDONGPUFA CLUB141N♠2+3+2
+3.0Round 14SVER152♠♦A=+6
+2.9Round 6TAICANG BA264♠♥Q+2+6
+2.9Round 11SHANGHAI JIAHENG154♠♣A-1-2
+2.6Round 12TSEP282♠♦K+2+7
+2.4Round 4POLISH SENIORS15♥x♠K-1+0
+2.3Round 1GROSS44♠♥6-2+2
+2.2Round 14SVER144♠♣10+2+14
+2.1Round 1GROSS73♠♣6-4-6
+2.1Round 4POLISH SENIORS42♠♣Q+2+10
+2.1Round 15SOLOMON273♥♦3=+0
+1.8Round 7LIAONING21N♠10+1+0
+1.8Round 10TEXAN ACES11♥♣6-1-1
+1.7Round 2XIAMEN154♥♣6+1+0
+1.6Round 12TSEP292♥♠A=+0
+1.5Round 8PUDONGPUFA CLUB182♠♣7=+0
+1.4Round 1GROSS93N♥10+2+0
+1.2Round 11SHANGHAI JIAHENG132♥♠5=+1
+1.0Round 2XIAMEN111N♥4=-1
+1.0Round 6TAICANG BA283N♦2+1+1
+1.0Round 12TSEP244♠♦5-1-5
+0.9Round 4POLISH SENIORS23N♦3+2+1
+0.9Round 8PUDONGPUFA CLUB134♠♥A+2+7
+0.9Round 9AUKEN244♥♦2=-5
+0.8Round 1GROSS83♦♠Q+1+1
+0.8Round 4POLISH SENIORS10Pass+3
+0.8Round 7LIAONING44♥♠5+1+0
+0.6Round 1GROSS12♦♠A+3+7
+0.6Round 4POLISH SENIORS71N♥2+1-1
+0.6Round 8PUDONGPUFA CLUB173N♥9=-6
+0.5Round 12TSEP233N♠K-1+6
+0.5Round 14SVER191N♠J+1+6
+0.2Round 1GROSS103N♠Q+1-4
+0.2Round 2XIAMEN203N♠6+3-13
+0.2Round 6TAICANG BA274♥♦K-1+5
+0.2Round 10TEXAN ACES71N=+9
+0.1Round 7LIAONING14♥♠K=+1
-0.0Round 7LIAONING31N♣K-2-9
-0.0Round 13HOFFMAN54♥♠8=-13
-0.0Round 13HOFFMAN94♠♥2+1+0
-0.1Round 11SHANGHAI JIAHENG203N♠5+3-13
-0.2Round 12TSEP253N♣J+1+5
-0.2Round 13HOFFMAN33N♥5+1-1
-0.2Round 15SOLOMON224♠♥2+1-5
-0.3Round 3SHANGHAI YOUTH 4212N♣10=-1
-0.3Round 3SHANGHAI YOUTH 4223N♣4=-5
-0.3Round 7LIAONING102♥♦A=-1
-0.4Round 6TAICANG BA232♥♦4+1+0
-0.4Round 6TAICANG BA303N♠2-1-5
-0.5Round 9AUKEN292♠♥K-1+0
-0.5Round 14SVER171N♠4+1+0
-0.6Round 3SHANGHAI YOUTH 4242♥♠8=-1
-0.6Round 9AUKEN283N♠A+1+5
-0.7Round 9AUKEN231N♥2=-1
-0.8Round 1GROSS62♠♦6-1+0
-0.8Round 10TEXAN ACES31N♥Q-2-1
-0.8Round 10TEXAN ACES95♦x♠A-2+0
-0.9Round 6TAICANG BA292♦♣7+1+0
-0.9Round 10TEXAN ACES22♣♥3-2-5
-1.0Round 4POLISH SENIORS51N♠5-1+1
-1.0Round 10TEXAN ACES42♠♥2-1-5
-1.0Round 15SOLOMON294♠♣A=+0
-1.1Round 2XIAMEN161N♠J=+1
-1.1Round 8PUDONGPUFA CLUB162♠♥A+1+0
-1.2Round 11SHANGHAI JIAHENG194♠♣J+1-1
-1.2Round 15SOLOMON231N♥2-1-5
-1.3Round 13HOFFMAN74♥♠8+1+0
-1.4Round 2XIAMEN173♣♠J+2-8
-1.4Round 10TEXAN ACES64♠+1-1
-1.5Round 9AUKEN271♦x♥A-1+1
-1.5Round 9AUKEN303♠♣K=+0
-1.5Round 14SVER134♠♣K+1+5
-1.6Round 2XIAMEN184♠♦5-1-4
-1.6Round 11SHANGHAI JIAHENG122♠♠7+1-10
-1.8Round 1GROSS54♠♠4-1-5
-1.8Round 6TAICANG BA241N♠K=+1
-1.9Round 2XIAMEN143N♣3+4-17
-1.9Round 7LIAONING74♠♥6-1-6
-1.9Round 8PUDONGPUFA CLUB123N♣10-1-5
-1.9Round 8PUDONGPUFA CLUB153♥♦Q=+0
-2.0Round 11SHANGHAI JIAHENG183♠♥6-1+0
-2.2Round 4POLISH SENIORS64♣♠Q-2-11
-2.2Round 13HOFFMAN14♠♥Q+1-1
-2.3Round 3SHANGHAI YOUTH 4234♠♣6+1+0
-2.3Round 3SHANGHAI YOUTH 4282♥♣6+1-7
-2.3Round 10TEXAN ACES83♠♦A=-6
-2.4Round 8PUDONGPUFA CLUB192♠♥K=-5
-2.4Round 14SVER164♠♣6=+0
-2.5Round 4POLISH SENIORS93♣♥J=+0
-2.5Round 9AUKEN222♠♦6+2-6
-2.6Round 3SHANGHAI YOUTH 4251Nx♠8=-3
-2.7Round 11SHANGHAI JIAHENG145♦♥K+1+14
-2.8Round 2XIAMEN122♣♥8-1-5
-2.8Round 6TAICANG BA223♥♣K-4-7
-2.8Round 14SVER205♣♦6+1+0
-3.1Round 9AUKEN264♠♠4-1-6
-3.1Round 12TSEP274♥♦Q+1+5
-3.4Round 11SHANGHAI JIAHENG113N♥Q+1+0
-3.4Round 15SOLOMON262♦♥10-2-2
-3.5Round 14SVER112♥♥3+2-7
-3.6Round 13HOFFMAN44♠♣J=+1
-3.8Round 2XIAMEN132♠♣6+1+0
-4.2Round 12TSEP214♥♦5-1-4
-4.3Round 15SOLOMON303N♠3=+3
-4.5Round 9AUKEN253N♠J-2-8
-4.5Round 13HOFFMAN66♣♥6-1-14
-5.1Round 11SHANGHAI JIAHENG163N♥5+3-1
-5.1Round 15SOLOMON242♥♣K-3-2
-5.2Round 9AUKEN213N♣7+2-6
-5.6Round 13HOFFMAN23♥♣5+1-10
-5.6Round 15SOLOMON256♠♥3-2-17
-5.9Round 15SOLOMON214♠♣Q=-7
-6.5Round 12TSEP223N♥K=-6
-6.8Round 15SOLOMON282♣x♦J-2-9
-6.9Round 2XIAMEN193N♠6=-7
-7.7Round 13HOFFMAN86♠♠3-2-17
-8.4Round 4POLISH SENIORS32N♥9+1-11
-8.4Round 13HOFFMAN103N♠2=-10
-9.8Round 10TEXAN ACES104♠♣5=-11
-11.0Round 10TEXAN ACES56♠♣2-2-14
-11.5Round 6TAICANG BA216♥♣A=-11