🇨🇳 WANG Qingfeng · CHINA

34rank
+44.0Butler · 154 bds
+0.29per board
±4.5swing
+0.44vs par /bd · #27/82
+0.22adjusted /bd
Butler per round: -10.3 17.6 -2.7 -12.1 0 -19.1 -9.6 31.2 36 14.3 -1.3by round

vs par split: bidding +0.30 · play +0.12

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.22/bd

Card play — on target: opening leads 76.3% #59 of 82 · declarer play 63.6% #72 of 82 · defence 85.5% #23 of 82

Card play by contract type — on target
vs NTvs a suit
Opening leads62.5% (16)86.4% (22)
Declarer play70.0% (10)61.8% (34)
Defence80.0% (25)88.2% (51)

Opening leads by suit led: ♠ 92.3% (13) · ♥ 28.6% (7) · ♦ 100.0% (11) · ♣ 57.1% (7)

vs par by strain: NT +2.62 (40) · a suit -0.36 (113)

vs par by level: part-score +0.82 (50) · game +0.62 (87) · slam -1.94 (16)

By role: declaring +0.26/bd (-2.63 vs par · 78) · defending +0.31/bd (+3.58 vs par · 76)

By vulnerability: vulnerable +0.55/bd (+0.46 vs par · 77) · not vulnerable +0.02/bd (+0.42 vs par · 77)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.ChenM.Ng – F.ChanOpen14-10.3-0.74+0.50
Round 2S.ChenL.Kohutova – M.BoturOpen14+17.6+1.26+0.43
Round 4S.ChenA.Dhir – C.JollyOpen14-2.7-0.19-1.71
Round 5S.ChenS.Bune – V.Todd-MoirOpen14-12.1-0.86-1.57
Round 7S.ChenB.Krawczyk – M.KrysaOpen14+0.0+0.00+0.21
Round 8S.ChenM.Rimstedt – I.GronkvistOpen14-19.1-1.36-1.29
Round 10S.ChenM.Fourre – F.BeuginOpen14-9.6-0.69+1.79
Round 11S.ChenK.Bossonney – K.BossonneyOpen14+31.2+2.23+0.64
Round 12S.ChenDHARANISHVAR S S – SHYLENDRAN POpen14+36.0+2.57+2.14
Round 13S.ChenT.Sprinkhuizen – L.TijssenOpen14+14.3+1.02+4.07
Round 14S.ChenE.Flaatt – C.BakkeOpen14-1.3-0.09-0.43

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
+13.2Round 8🇸🇪 SWEDEN77♣♦7-1+17
+11.3Round 11🇨🇱 CHILE134♠♦8-1+12
+10.7Round 2🇨🇿 CZECH REPUBLIC234♥♣7-1+12
+10.3Round 10🇫🇷 FRANCE176♣♠A+1+10
+10.1Round 11🇨🇱 CHILE82♦♦5+4+16
+9.2Round 11🇨🇱 CHILE33NT♦2-1+14
+9.2Round 12🇮🇳 INDIA152♥♦A=+12
+8.9Round 4🇺🇸 USA 263NT♣3-1+10
+8.8Round 12🇮🇳 INDIA193NT♠J-1+10
+7.3Round 7🇵🇱 POLAND252♣♠7=+11
+6.7Round 11🇨🇱 CHILE126♥♦Q=+0
+6.7Round 12🇮🇳 INDIA253NT♣8+3+2
+6.5Round 2🇨🇿 CZECH REPUBLIC264♥♣K=+3
+6.4Round 13🇳🇱 NETHERLANDS133♣x♣6-3+12
+6.1Round 11🇨🇱 CHILE74♥♦5=+0
+5.9Round 2🇨🇿 CZECH REPUBLIC156NT♠K+1+1
+5.4Round 7🇵🇱 POLAND182NTx♦7-2+5
+5.1Round 1🇭🇰 CHINA HONG KONG54♥♣9=+0
+5.1Round 14🇳🇴 NORWAY233NTx♠5-1+8
+4.9Round 10🇫🇷 FRANCE163♠♠4-1+6
+4.7Round 12🇮🇳 INDIA213NT♠7+2+1
+4.4Round 4🇺🇸 USA 236♠♠6=-13
+4.3Round 13🇳🇱 NETHERLANDS142♠♦K+5+5
+4.2Round 5🇩🇰 DENMARK275♦♦7+1+11
+4.2Round 12🇮🇳 INDIA263NT♣4=+0
+4.1Round 13🇳🇱 NETHERLANDS13NT♠10+1+1
+4.0Round 1🇭🇰 CHINA HONG KONG114♥♣5-2+6
+3.9Round 2🇨🇿 CZECH REPUBLIC254♠♦K=+0
+3.7Round 11🇨🇱 CHILE114♠♥4=+7
+3.1Round 4🇺🇸 USA 284♥♠2=+1
+3.1Round 8🇸🇪 SWEDEN54♥♣J=+3
+3.1Round 13🇳🇱 NETHERLANDS25♦♣4-1+5
+3.1Round 14🇳🇴 NORWAY166♠♣8+1+1
+3.0Round 4🇺🇸 USA 2124♠♠2=+0
+2.9Round 14🇳🇴 NORWAY153NT♣J+1+0
+2.7Round 7🇵🇱 POLAND174♥♦2-1+5
+2.7Round 10🇫🇷 FRANCE216♥♦J+1+1
+2.7Round 12🇮🇳 INDIA244♥♠A+1-11
+2.5Round 4🇺🇸 USA 2133NT♠Q-1+6
+2.5Round 5🇩🇰 DENMARK194♠♣5=+0
+2.5Round 10🇫🇷 FRANCE254♥♠2+2+1
+2.4Round 4🇺🇸 USA 2113NT♥10+2+1
+2.3Round 7🇵🇱 POLAND232♦♦4=+0
+2.3Round 13🇳🇱 NETHERLANDS95♣x♠A-2+8
+2.2Round 10🇫🇷 FRANCE194♥♥8=+0
+2.2Round 10🇫🇷 FRANCE284♠♥A-1+10
+2.2Round 13🇳🇱 NETHERLANDS82♠♥10=+0
+2.1Round 5🇩🇰 DENMARK186♣♦J+1-2
+2.0Round 5🇩🇰 DENMARK204♣♦K=+8
+1.9Round 1🇭🇰 CHINA HONG KONG13NT♣5+3+14
+1.9Round 7🇵🇱 POLAND204♠♣A+2-13
+1.9Round 11🇨🇱 CHILE52NT♣A=-1
+1.9Round 12🇮🇳 INDIA204♦♠2=+9
+1.9Round 14🇳🇴 NORWAY25Pass+3
+1.8Round 12🇮🇳 INDIA223♥♣Q-1-5
+1.6Round 8🇸🇪 SWEDEN63♥♣4=+1
+1.6Round 14🇳🇴 NORWAY204♥♠Q+2-13
+1.5Round 5🇩🇰 DENMARK162♥♣9+2-4
+1.3Round 2🇨🇿 CZECH REPUBLIC285♦♦9=-1
+1.2Round 1🇭🇰 CHINA HONG KONG45♣♦4=+13
+1.1Round 1🇭🇰 CHINA HONG KONG61NT♣5+2+10
+1.1Round 1🇭🇰 CHINA HONG KONG94♠♣9+1+1
+1.1Round 13🇳🇱 NETHERLANDS114♥♥J=-1
+1.0Round 12🇮🇳 INDIA174♠♦3+1+11
+1.0Round 12🇮🇳 INDIA283NT♠10+1+1
+0.9Round 7🇵🇱 POLAND153♠♣A-1+5
+0.7Round 1🇭🇰 CHINA HONG KONG73♣♣A+2-10
+0.7Round 1🇭🇰 CHINA HONG KONG104♠♠6+2+1
+0.7Round 11🇨🇱 CHILE64♠♦10+1-13
+0.7Round 11🇨🇱 CHILE143NT♥3=+1
+0.6Round 14🇳🇴 NORWAY184♥♠7+2+14
+0.5Round 8🇸🇪 SWEDEN126♣x♦6-2+0
+0.5Round 10🇫🇷 FRANCE203NT♦2+1+12
+0.5Round 10🇫🇷 FRANCE263NT♦2+3+13
+0.5Round 12🇮🇳 INDIA233NT♠10+1+1
+0.5Round 14🇳🇴 NORWAY193♦♥10-2+1
+0.4Round 7🇵🇱 POLAND242♣♦Q+2+0
+0.3Round 4🇺🇸 USA 253♦♥8-2+9
+0.3Round 14🇳🇴 NORWAY274♥♣K+2+1
+0.1Round 5🇩🇰 DENMARK254♠♥8+1+0
+0.1Round 7🇵🇱 POLAND162NT♣6=+10
+0.1Round 13🇳🇱 NETHERLANDS104♠♦10=+0
+0.0Round 13🇳🇱 NETHERLANDS124♠♦Q+1+0
-0.1Round 8🇸🇪 SWEDEN43♥♠4=+7
-0.1Round 13🇳🇱 NETHERLANDS51NT♣10-1-2
-0.2Round 1🇭🇰 CHINA HONG KONG33NT♦10-3-2
-0.2Round 2🇨🇿 CZECH REPUBLIC223♦♦4=+1
-0.2Round 4🇺🇸 USA 213NT♥Q+1-1
-0.3Round 1🇭🇰 CHINA HONG KONG135♣♠K+1+13
-0.3Round 2🇨🇿 CZECH REPUBLIC273♥♥6-3-6
-0.3Round 5🇩🇰 DENMARK263NT♠8+1+0
-0.3Round 7🇵🇱 POLAND262♠♣Q+2+10
-0.3Round 8🇸🇪 SWEDEN104♠♣9+2-17
-0.4Round 2🇨🇿 CZECH REPUBLIC161NT♣8=-1
-0.4Round 2🇨🇿 CZECH REPUBLIC204♥♠8-1+5
-0.4Round 8🇸🇪 SWEDEN33NT♠5+3-11
-0.5Round 13🇳🇱 NETHERLANDS43♦♥A+2+10
-0.7Round 2🇨🇿 CZECH REPUBLIC213NT♠9+1+0
-0.7Round 4🇺🇸 USA 244♥♥6=-3
-0.7Round 5🇩🇰 DENMARK224♥♦Q+1+0
-0.7Round 13🇳🇱 NETHERLANDS63NT♦8+3+16
-0.7Round 14🇳🇴 NORWAY283NT♠10+1+0
-0.8Round 2🇨🇿 CZECH REPUBLIC192♠♥4+2-1
-1.0Round 5🇩🇰 DENMARK175♣♠K-1-4
-1.1Round 14🇳🇴 NORWAY243NT♠10=+0
-1.3Round 5🇩🇰 DENMARK154♠♦A+1+0
-1.3Round 10🇫🇷 FRANCE152♠♦10-1+1
-1.3Round 14🇳🇴 NORWAY263NT♥5+1+0
-1.4Round 8🇸🇪 SWEDEN143♠♥6=+0
-1.4Round 12🇮🇳 INDIA164♥♣7+1+0
-1.7Round 7🇵🇱 POLAND191NT♦5=-5
-1.8Round 11🇨🇱 CHILE14♦x♠A-1+1
-1.9Round 2🇨🇿 CZECH REPUBLIC183♥♣J-1-7
-1.9Round 13🇳🇱 NETHERLANDS33♦♣J-1+3
-2.1Round 2🇨🇿 CZECH REPUBLIC243♣♣7=+0
-2.2Round 7🇵🇱 POLAND283♠♣Q=+0
-2.2Round 12🇮🇳 INDIA183♣♦A+1+0
-2.3Round 1🇭🇰 CHINA HONG KONG126♦♣4=-13
-2.4Round 4🇺🇸 USA 293NT♣2+2-1
-2.4Round 11🇨🇱 CHILE23♥♣Q-2-11
-2.5Round 4🇺🇸 USA 2142♥♦3+1-1
-2.6Round 10🇫🇷 FRANCE273NT♥7+2+11
-2.9Round 5🇩🇰 DENMARK283NT♦7-1-5
-2.9Round 12🇮🇳 INDIA274NT♥4+1-1
-3.1Round 5🇩🇰 DENMARK246♠♠6-1-11
-3.3Round 14🇳🇴 NORWAY173♦x♦A-2-5
-3.4Round 8🇸🇪 SWEDEN84♥♦2=+1
-3.5Round 4🇺🇸 USA 222♥x♣7-2-5
-3.7Round 10🇫🇷 FRANCE243♠♠6-1-8
-3.9Round 2🇨🇿 CZECH REPUBLIC176♥♦10=+0
-4.0Round 1🇭🇰 CHINA HONG KONG22♠♠10=-6
-4.3Round 11🇨🇱 CHILE43NT♥4-1-6
-4.6Round 7🇵🇱 POLAND274♥♠Q-1-10
-4.7Round 5🇩🇰 DENMARK215♦♣K=-3
-4.8Round 11🇨🇱 CHILE103♠♣Q-2-2
-4.8Round 14🇳🇴 NORWAY214♥♣A-2-2
-5.0Round 8🇸🇪 SWEDEN91♣♠Q+1-5
-5.4Round 7🇵🇱 POLAND224♠♦A=-8
-5.6Round 4🇺🇸 USA 2103♥♦6+2-10
-5.9Round 8🇸🇪 SWEDEN14♥♣9+1+0
-5.9Round 11🇨🇱 CHILE93♦♠3=-9
-6.1Round 13🇳🇱 NETHERLANDS77♠♠2=+0
-6.1Round 14🇳🇴 NORWAY226♦♠Q-1-14
-6.8Round 7🇵🇱 POLAND213NT♥6+1-7
-6.8Round 8🇸🇪 SWEDEN24♠♦A-1-6
-6.9Round 8🇸🇪 SWEDEN133♥♦5-2-8
-7.3Round 8🇸🇪 SWEDEN116♥♠4=+0
-8.1Round 10🇫🇷 FRANCE184♠♥8-1-12
-8.7Round 1🇭🇰 CHINA HONG KONG144♠♥6=-8
-8.9Round 10🇫🇷 FRANCE234♥♠K-2-12
-10.5Round 5🇩🇰 DENMARK234♠♣3-1-12
-10.6Round 1🇭🇰 CHINA HONG KONG85♣♠K-4-12
-10.8Round 10🇫🇷 FRANCE226♥♣2=-8
-12.4Round 4🇺🇸 USA 275♦♦2-2-17