LUO Wenchan · GUANGDONG

494rank
-33.5Butler · 150 bds
-0.22per board
±4.1swing
+0.33vs par /bd · #196/672
-0.30adjusted /bd
Butler per round: -16 -5.7 -0.6 7.6 -19.1 -4 -24.4 11.2 7.4 -17.3 18.4 12.1 -19.1 12.8 3.2by round

vs par split: bidding +0.34 · play +0.15

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted -0.30/bd

Card play — on target: opening leads 79.2% #410 of 671 · declarer play 77.8% #340 of 671 · defence 81.0% #497 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·79.2% (24)
Declarer play·77.8% (18)
Defence·81.0% (58)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 50.0% (2) · ♦ 63.6% (11) · ♣ 100.0% (5)

vs par by strain: a suit +0.48 (102)

vs par by level: part-score +0.86 (42) · game -0.05 (56) · slam +4.00 (4)

By role: declaring +0.22/bd (-1.46 vs par · 67) · defending -0.58/bd (+1.78 vs par · 83)

By vulnerability: vulnerable -0.34/bd (-0.10 vs par · 79) · not vulnerable -0.10/bd (+0.82 vs par · 71)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.TanC.Endang – C.YinongClosed10-16.0-1.60-0.30
Round 2J.TanP.Maijarern – T.YongchareonClosed10-5.7-0.57+2.80
Round 3J.TanW.Zhu – X.LinOpen10-0.6-0.06-1.00
Round 4J.TanF.Mayer – G.SooOpen10+7.6+0.76+0.70
Round 5J.TanT.Bessis – M.BessisClosed10-19.1-1.91-1.20
Round 6J.TanM.Jones – T.HanlonClosed10-4.0-0.40+0.70
Round 7J.TanY.Qi – Q.YangOpen10-24.4-2.44-2.10
Round 8J.TanX.Zhang – Z.ChenClosed10+11.2+1.12+1.10
Round 9J.TanY.Zhang – S.LiuClosed10+7.4+0.74+1.50
Round 10J.LiL.Wildman – P.KlimowiczClosed10-17.3-1.73-0.60
Round 11L.LinM.Jacobus – L.O'RourkeClosed10+18.4+1.84+1.80
Round 12L.LinC.Oursel – A.HertzClosed10+12.1+1.21+2.40
Round 13L.LinM.Barel – Y.ZackOpen10-19.1-1.91+1.60
Round 14L.LinA.Voronov – V.KholomeevOpen10+12.8+1.28-1.00
Round 15J.TanA.Ker – A.GrantOpen10+3.2+0.32-1.40

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
+10.9Round 12GROSS264♥♣4=+10
+9.5Round 15GRANT256♠♦6=-9
+9.2Round 3TAICANG BA264♦♣K=+10
+8.9Round 8SHANGHAI YOUTH 2175♠♦Q-1+12
+8.3Round 2THAILAND/CBLT156♠♦4-1+11
+8.1Round 11O'ROURKE154♠♣A+1+11
+6.3Round 12GROSS214♥♣2=+8
+5.8Round 3TAICANG BA283N♦A=+5
+5.8Round 15GRANT261N♦4-2+8
+5.5Round 9CHINA KINGDOM291N♥5+1+6
+5.0Round 4EGAN85♦x♣Q-2+4
+4.8Round 14MOSCOW124♥♠10-2+7
+4.7Round 7YANG JING23♠♣A=+6
+4.7Round 10MUNICH11N♥4-4+7
+4.7Round 11O'ROURKE164♠♣9+1+0
+4.5Round 4EGAN15♦♥8-4+7
+4.5Round 13HERBST66♣♠9-1+14
+4.5Round 14MOSCOW181♠♦2=+8
+4.3Round 4EGAN92♠♣8+2+2
+4.1Round 12GROSS294♠♥Q-2+3
+3.9Round 2THAILAND/CBLT145♦♠2+2+18
+3.8Round 11O'ROURKE132♥♣2-1+5
+3.7Round 9CHINA KINGDOM213N♦J=+5
+3.7Round 14MOSCOW204♠♦6+1+1
+3.6Round 15GRANT231N♥2=+0
+3.5Round 11O'ROURKE143N♠2+2-14
+3.4Round 8SHANGHAI YOUTH 2123N♣10-2+6
+3.4Round 11O'ROURKE113N♠J+1+0
+3.3Round 1SHANGHAI GOODWAY82♥♦2-1+4
+3.3Round 6JACKSON243N♠K-2+6
+3.3Round 12GROSS244♦♦8-1-3
+3.1Round 9CHINA KINGDOM264♠♠4-1+6
+3.0Round 11O'ROURKE184♣♠3=+1
+2.7Round 4EGAN52♣♣2-2+0
+2.6Round 8SHANGHAI YOUTH 2204♠♣7=+0
+2.4Round 8SHANGHAI YOUTH 2193♦♥K=+5
+2.3Round 5ZIMMERMANN184♠♣A-1+5
+2.2Round 4EGAN64♣♠Q-2+11
+1.9Round 8SHANGHAI YOUTH 2152N♣6+1+0
+1.8Round 1SHANGHAI GOODWAY54♠♠2-1+5
+1.6Round 2THAILAND/CBLT183♠♠10-1+4
+1.6Round 5ZIMMERMANN143♦♣2+1+1
+1.6Round 9CHINA KINGDOM222♠♦6+3+6
+1.6Round 11O'ROURKE122♠♣7+1+10
+1.6Round 14MOSCOW163N♦J=-1
+1.5Round 9CHINA KINGDOM271♦x♥A-1-1
+1.5Round 14MOSCOW134♠♥A+1-5
+1.4Round 14MOSCOW173♠♠2-3+1
+1.3Round 11O'ROURKE173♦♦4-1+4
+1.3Round 13HERBST74♥♠9+1+0
+1.2Round 11O'ROURKE194♠♣J+1+1
+1.2Round 13HERBST14♠♥Q=+0
+1.1Round 6JACKSON264♠♥Q=+5
+1.1Round 8SHANGHAI YOUTH 2162♠♥A+1+0
+1.0Round 10MUNICH42♠♥8-1+5
+0.8Round 5ZIMMERMANN121♠♦K=+1
+0.7Round 1SHANGHAI GOODWAY61N♠9=+0
+0.6Round 5ZIMMERMANN153N♠J+4+10
+0.6Round 9CHINA KINGDOM283N♥J+1-5
+0.5Round 12GROSS233N♠A-1+6
+0.4Round 3TAICANG BA243♥♠8=+0
+0.4Round 14MOSCOW191N♠J=-5
+0.3Round 10MUNICH54♠♥4+2+11
+0.2Round 6JACKSON274♥♦K-1+5
+0.2Round 7YANG JING44♥♠5=+1
+0.1Round 7YANG JING64♥♣3=+1
+0.1Round 14MOSCOW111N♣6-1+4
-0.0Round 6JACKSON283N♠2+2+0
+0.0Round 7YANG JING31N♣A-2+9
+0.0Round 10MUNICH102♠♣5=+0
+0.0Round 13HERBST94♠♥3+1+0
-0.1Round 7YANG JING14♠♣2=-1
-0.1Round 7YANG JING94♥♠8+1-11
-0.1Round 13HERBST102N♥Q=+0
-0.2Round 1SHANGHAI GOODWAY104N♠4=+4
-0.2Round 2THAILAND/CBLT203N♥J+3+13
-0.2Round 10MUNICH71N♦7=-9
-0.2Round 15GRANT224♠♥4+1-5
-0.3Round 3TAICANG BA211N♣9+1-1
-0.3Round 3TAICANG BA225♣♦2=-5
-0.3Round 10MUNICH33♥♥6=+0
-0.4Round 6JACKSON233♥♣A=+0
-0.4Round 6JACKSON302N♣6-1-5
-0.5Round 5ZIMMERMANN162♠♦6+1+0
-0.5Round 15GRANT282♣♠3-2-2
-0.6Round 15GRANT242N♣3-1+4
-0.7Round 7YANG JING102♠+1+0
-0.8Round 2THAILAND/CBLT122♠♥2-1+1
-0.8Round 6JACKSON253♦♥K-1+3
-0.8Round 12GROSS224♣♥A=+0
-0.8Round 13HERBST33N♥7+2+0
-0.9Round 4EGAN23N♥2+2-1
-0.9Round 6JACKSON292♦♦7+1+0
-0.9Round 8SHANGHAI YOUTH 2134♠♥A+2-7
-0.9Round 9CHINA KINGDOM244♥♦2=+5
-1.0Round 6JACKSON223♠♦A=-6
-1.0Round 15GRANT294♠♣Q=+0
-1.1Round 8SHANGHAI YOUTH 2142♥♠3=+0
-1.1Round 9CHINA KINGDOM231N♠Q+2-1
-1.2Round 12GROSS253N♣4=+5
-1.2Round 13HERBST84♠♠2+2+14
-1.3Round 5ZIMMERMANN112♠♦A=-5
-1.3Round 12GROSS304♥♦A-1-5
-1.4Round 1SHANGHAI GOODWAY12N♣K=-8
-1.4Round 1SHANGHAI GOODWAY93N♥10+2+0
-1.5Round 4EGAN33N♥3+1+1
-1.6Round 2THAILAND/CBLT134♥♠A-1-6
-1.7Round 3TAICANG BA251N♠8+2-2
-2.2Round 3TAICANG BA293N♠6+2+0
-2.2Round 9CHINA KINGDOM254♠♠9-3+0
-2.2Round 14MOSCOW145♠♥10+1-14
-2.3Round 1SHANGHAI GOODWAY44♠♦Q-2-2
-2.3Round 3TAICANG BA234♠♦J+1+0
-2.3Round 5ZIMMERMANN171N♠2=+1
-2.4Round 2THAILAND/CBLT111N♠9+2-1
-2.4Round 4EGAN71N♦Q+3-1
-2.5Round 8SHANGHAI YOUTH 2182♠♦Q+1-1
-2.6Round 2THAILAND/CBLT161N♠9-1-4
-2.6Round 5ZIMMERMANN192♥♦2+1-1
-2.6Round 10MUNICH84♠♣J-1+1
-2.7Round 3TAICANG BA273N♠2-1-5
-2.7Round 4EGAN43♦♣Q+2-10
-2.7Round 15GRANT274♥♠9-1-5
-3.0Round 14MOSCOW152♠♦A=-6
-3.1Round 12GROSS274♥♣7+1+5
-3.3Round 13HERBST24♥♣5=+1
-3.4Round 2THAILAND/CBLT193N♠6-1-5
-3.6Round 4EGAN102♠♣J=-6
-4.4Round 9CHINA KINGDOM304♠x♣K-1-6
-4.6Round 8SHANGHAI YOUTH 2113N♦6+1-4
-4.7Round 1SHANGHAI GOODWAY23♠x♣2-1-5
-4.8Round 15GRANT304♥♦6=+2
-5.1Round 1SHANGHAI GOODWAY34N♥9+2-1
-5.1Round 6JACKSON214♥♣A+2-1
-5.1Round 10MUNICH62♠♣A+3-6
-5.9Round 15GRANT214♠♦4=-7
-6.3Round 5ZIMMERMANN133N♥Q-1-11
-6.5Round 3TAICANG BA303N♥9-1-12
-6.6Round 10MUNICH25♦x♣6=-4
-6.6Round 12GROSS284♥♦K=-5
-6.7Round 1SHANGHAI GOODWAY74♥♣K+1+0
-8.5Round 2THAILAND/CBLT173N♠J-6-3
-8.5Round 10MUNICH95♠x♥6-4-11
-8.7Round 7YANG JING85♦x♣2=-6
-9.0Round 7YANG JING55♠x♦Q=-10
-9.6Round 13HERBST44♠♦8-2-13
-10.8Round 7YANG JING74♠♥3=-10
-11.1Round 13HERBST56♦♠8=+0
-11.4Round 5ZIMMERMANN205♠♣A-1-13
-12.2Round 11O'ROURKE206N♠3=+0