🇸🇬 LEE Derek Cheng Feng · SINGAPORE

60rank
+16.8Butler · 154 bds
+0.11per board
±5.1swing
+0.59vs par /bd · #27/99
+0.13adjusted /bd
Butler per round: -15.7 38.2 0 20.1 -29.3 -12.5 -0.7 7.5 -18.4 1.2 26.4by round

vs par split: bidding +0.40 · play +0.19

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.13/bd

Card play — on target: opening leads 70.6% #92 of 99 · declarer play 79.5% #19 of 99 · defence 85.0% #46 of 99

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (10)79.2% (24)
Declarer play70.0% (10)82.8% (29)
Defence80.6% (31)87.8% (49)

Opening leads by suit led: ♠ 63.6% (11) · ♥ 100.0% (3) · ♦ 83.3% (6) · ♣ 64.3% (14)

vs par by strain: NT +0.90 (50) · a suit +0.44 (104)

vs par by level: part-score +1.36 (61) · game -0.26 (84) · slam +3.33 (9)

By role: declaring +0.31/bd (-1.92 vs par · 74) · defending -0.07/bd (+2.91 vs par · 80)

By vulnerability: vulnerable +0.54/bd (+1.12 vs par · 77) · not vulnerable -0.32/bd (+0.07 vs par · 77)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.LingO.Nijssen – S.OverveldeOpen14-15.7-1.12+1.14
Round 3Y.LingBOSE BABHRUBAHAN – KUSHARI SAYANTANOpen14+38.2+2.73+4.36
Round 4Y.LingM.Balodis – G.DreimanisOpen14+0.0+0.00-0.07
Round 6Y.LingF.Beugin – M.DufreneOpen14+20.1+1.44+1.57
Round 7Y.LingS.Bune – V.Todd-MoirOpen14-29.3-2.09-2.36
Round 9Y.LingF.Porta – G.GiubiloOpen14-12.5-0.89+2.21
Round 11Y.LingD.Soukup – H.BerkOpen14-0.7-0.05+2.50
Round 12Y.LingX.Wang – R.PanOpen14+7.5+0.54-1.00
Round 13Y.LingI.Baniri – S.AvitalClosed14-18.4-1.31-1.57
Round 14Y.LingC.Shi – C.ChenOpen14+1.2+0.09-1.07
Round 17Y.LingR.Giannotti – H.SalomaoClosed14+26.4+1.89+0.79

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
+15.4Round 3🇮🇳 INDIA43♦x♣4-5+15
+13.0Round 17🇧🇷 BRAZIL44♠♦Q-1+12
+12.1Round 3🇮🇳 INDIA76♦♥4-4+12
+11.1Round 17🇧🇷 BRAZIL126♣♠A-1+13
+10.9Round 6🇫🇷 FRANCE44♥x♦9=+12
+10.1Round 11🇺🇸 USA65♣♦A=+10
+9.2Round 13🇮🇱 ISRAEL32♠x♦K-2+9
+9.1Round 1🇳🇱 NETHERLANDS145♥x♦A=+13
+9.1Round 6🇫🇷 FRANCE105♥x♠J=+16
+8.9Round 7🇩🇰 DENMARK287♣♥Q=-2
+8.6Round 14🇹🇼 CHINESE TAIPEI262♠♣7-2+10
+8.2Round 13🇮🇱 ISRAEL23NT♣6=+3
+7.5Round 17🇧🇷 BRAZIL84♥♠Q=+7
+7.4Round 4🇱🇻 LATVIA103♥♠8+1+10
+7.1Round 7🇩🇰 DENMARK205♠x♣4=+5
+7.1Round 17🇧🇷 BRAZIL134♠♦K=+0
+6.8Round 11🇺🇸 USA123NT♠7-2+12
+6.8Round 12🇨🇳 CHINA164♣♠K-3+4
+6.0Round 1🇳🇱 NETHERLANDS123NT♥9=+10
+6.0Round 12🇨🇳 CHINA203NT♠K-1+12
+5.9Round 4🇱🇻 LATVIA144♥♥J=+3
+5.8Round 12🇨🇳 CHINA235♣♥A=-1
+5.6Round 4🇱🇻 LATVIA93♥x♥A-1+5
+4.8Round 11🇺🇸 USA23♦♦8=+12
+4.6Round 6🇫🇷 FRANCE94♠♥K=+3
+4.4Round 3🇮🇳 INDIA34♥♦2+1+1
+4.2Round 11🇺🇸 USA42♥♣4+1+1
+4.1Round 14🇹🇼 CHINESE TAIPEI223NT♣3-2+11
+4.1Round 17🇧🇷 BRAZIL115♣♦K-2+0
+4.0Round 3🇮🇳 INDIA83NT♦4-1+10
+3.9Round 4🇱🇻 LATVIA43♦♣6-2+7
+3.7Round 1🇳🇱 NETHERLANDS94♠♠2+1+0
+3.5Round 4🇱🇻 LATVIA121NT♣7-2+2
+3.4Round 3🇮🇳 INDIA123NT♥2=+7
+3.2Round 14🇹🇼 CHINESE TAIPEI243♠♥A-4+5
+3.1Round 6🇫🇷 FRANCE112♦♣Q+1-1
+2.9Round 1🇳🇱 NETHERLANDS84♠♣Q-1+8
+2.8Round 4🇱🇻 LATVIA73NT♥10+1+0
+2.8Round 6🇫🇷 FRANCE32♥♠6=+0
+2.6Round 3🇮🇳 INDIA65♦♣7-1+5
+2.6Round 3🇮🇳 INDIA111NT♥9+2+0
+2.6Round 6🇫🇷 FRANCE131NT♥2-3+8
+2.5Round 6🇫🇷 FRANCE25♣♠K=+0
+2.5Round 12🇨🇳 CHINA153NT♣3+3-13
+2.4Round 14🇹🇼 CHINESE TAIPEI232♠♣J-1+5
+2.2Round 9🇮🇹 ITALY173♦♠9-3+1
+2.2Round 9🇮🇹 ITALY254♠♠9-1+5
+2.1Round 12🇨🇳 CHINA243NT♣5=-2
+2.0Round 14🇹🇼 CHINESE TAIPEI211NT♥10-1-1
+1.9Round 3🇮🇳 INDIA52♥♠J-1+5
+1.9Round 13🇮🇱 ISRAEL13♠♦7+1+6
+1.8Round 4🇱🇻 LATVIA13♣♠K-1+4
+1.5Round 7🇩🇰 DENMARK191NT♣Q-1+0
+1.5Round 12🇨🇳 CHINA251NT♣3-1+2
+1.2Round 13🇮🇱 ISRAEL83NT♣7+2+0
+1.2Round 17🇧🇷 BRAZIL76♣♥3+1-7
+1.1Round 9🇮🇹 ITALY234♥♠2-1+1
+1.1Round 11🇺🇸 USA101NT♣3-1+1
+1.0Round 9🇮🇹 ITALY272♠♥Q=+0
+1.0Round 13🇮🇱 ISRAEL114♥♣9+2-11
+1.0Round 13🇮🇱 ISRAEL134♠♣7+2+13
+0.9Round 9🇮🇹 ITALY284♥♠2=+0
+0.9Round 17🇧🇷 BRAZIL33♠♥5+1+6
+0.8Round 14🇹🇼 CHINESE TAIPEI273NT♥6=+0
+0.7Round 4🇱🇻 LATVIA33NT♠10+2+0
+0.6Round 17🇧🇷 BRAZIL62♦♣K=+1
+0.5Round 1🇳🇱 NETHERLANDS102♥♦J=+0
+0.5Round 9🇮🇹 ITALY224♠♣8+2+1
+0.5Round 14🇹🇼 CHINESE TAIPEI182♠♦Q+1+0
+0.4Round 7🇩🇰 DENMARK255♦x♣9-1+7
+0.4Round 9🇮🇹 ITALY202♠♣A=+6
+0.3Round 12🇨🇳 CHINA212♠♣7+1+0
+0.2Round 3🇮🇳 INDIA101NT♥2+2+1
+0.2Round 11🇺🇸 USA54♠♣Q=+0
+0.2Round 14🇹🇼 CHINESE TAIPEI193♥♦4+1-10
-0.0Round 14🇹🇼 CHINESE TAIPEI161NT♦Q=+8
-0.0Round 17🇧🇷 BRAZIL143NT♦3+1-1
-0.1Round 7🇩🇰 DENMARK163♥♦2-1+0
-0.1Round 11🇺🇸 USA93♣♥A+2+6
-0.1Round 14🇹🇼 CHINESE TAIPEI254♠♦4+2-13
-0.3Round 13🇮🇱 ISRAEL144♥♣A=+1
-0.5Round 3🇮🇳 INDIA13NT♠2+2+10
-0.5Round 4🇱🇻 LATVIA21NT♠10=+1
-0.5Round 11🇺🇸 USA33NT♠2+3-1
-0.5Round 17🇧🇷 BRAZIL13NT♠J=+1
-0.6Round 6🇫🇷 FRANCE73♦♣A-2-2
-0.8Round 1🇳🇱 NETHERLANDS63♠♦A-1+12
-0.8Round 3🇮🇳 INDIA131NT♠2=+2
-0.8Round 9🇮🇹 ITALY261NT♣K+2+10
-0.8Round 14🇹🇼 CHINESE TAIPEI173NT♠4=+1
-0.9Round 12🇨🇳 CHINA192♥♦4-1+1
-1.1Round 9🇮🇹 ITALY216♠♣2+1+13
-1.1Round 12🇨🇳 CHINA181NT♠3+1+0
-1.1Round 13🇮🇱 ISRAEL54♥♦6+1+0
-1.2Round 4🇱🇻 LATVIA111NT♥6+2-1
-1.2Round 11🇺🇸 USA74♥♥2+2+13
-1.2Round 12🇨🇳 CHINA271NT♣K+3-2
-1.3Round 4🇱🇻 LATVIA62♦♣J-1-5
-1.4Round 3🇮🇳 INDIA22NT♦Q=+0
-1.5Round 6🇫🇷 FRANCE64♠♥A+1+0
-1.5Round 6🇫🇷 FRANCE124♠♣2+2-1
-1.5Round 12🇨🇳 CHINA283NT♥5=+1
-1.9Round 1🇳🇱 NETHERLANDS33NT♣Q+2-1
-2.1Round 7🇩🇰 DENMARK154♥♠A=+1
-2.1Round 9🇮🇹 ITALY164♠♥Q=+0
-2.1Round 17🇧🇷 BRAZIL103♣♦4=+1
-2.3Round 9🇮🇹 ITALY183NT♣Q+2+12
-2.4Round 3🇮🇳 INDIA93♠♥K=-1
-2.5Round 9🇮🇹 ITALY243NT♦4+1+1
-2.6Round 4🇱🇻 LATVIA83♠♠3=-1
-2.6Round 6🇫🇷 FRANCE13NT♦10+2-1
-2.6Round 11🇺🇸 USA12♠♣A=+0
-2.6Round 11🇺🇸 USA144♥x♦J-1-6
-2.7Round 6🇫🇷 FRANCE85♥x♥3-3-3
-2.8Round 7🇩🇰 DENMARK233NT♠8=-10
-2.9Round 1🇳🇱 NETHERLANDS52♠♣K+1+0
-3.0Round 1🇳🇱 NETHERLANDS113♥♠5-1-5
-3.1Round 6🇫🇷 FRANCE53NT♣Q+2-1
-3.2Round 13🇮🇱 ISRAEL123NT♥Q+1+0
-3.3Round 3🇮🇳 INDIA143♠♥J+2-6
-3.5Round 6🇫🇷 FRANCE144♠♦J-2-8
-3.6Round 1🇳🇱 NETHERLANDS46♦♦8+1+13
-3.6Round 14🇹🇼 CHINESE TAIPEI154♥♦7-1-10
-3.8Round 7🇩🇰 DENMARK274♠♣K-1-5
-3.9Round 11🇺🇸 USA82NT♠Q-2-6
-3.9Round 12🇨🇳 CHINA173NT♥5-1-10
-4.1Round 1🇳🇱 NETHERLANDS134♥♥J-1-6
-4.1Round 7🇩🇰 DENMARK263♥♥6+3-9
-4.3Round 12🇨🇳 CHINA264♠♠2=+0
-4.4Round 9🇮🇹 ITALY152NT♠4=-6
-4.4Round 13🇮🇱 ISRAEL104♠♥K-1-12
-4.4Round 17🇧🇷 BRAZIL23NT♠J-6-5
-4.6Round 12🇨🇳 CHINA223♣♣4=-6
-5.5Round 7🇩🇰 DENMARK173♣♥Q+1-5
-5.5Round 11🇺🇸 USA113NT♠2=-7
-6.0Round 17🇧🇷 BRAZIL54♥x♣A=-10
-6.1Round 13🇮🇱 ISRAEL93NT♦2-4-8
-6.1Round 17🇧🇷 BRAZIL93♦♣Q-2-7
-6.2Round 1🇳🇱 NETHERLANDS14♥♣A-1-10
-6.5Round 7🇩🇰 DENMARK183NT♠8=-6
-6.7Round 7🇩🇰 DENMARK224♠♣J+3-14
-7.2Round 7🇩🇰 DENMARK247♠♣2=+0
-7.4Round 1🇳🇱 NETHERLANDS74♠♥A=-9
-7.6Round 9🇮🇹 ITALY194♠♣10-1-13
-7.9Round 14🇹🇼 CHINESE TAIPEI284♠♣K-1-11
-8.0Round 1🇳🇱 NETHERLANDS24♥♠A-1-9
-8.0Round 13🇮🇱 ISRAEL63NT♠7+1+1
-8.2Round 14🇹🇼 CHINESE TAIPEI203♥♥A+1-10
-8.4Round 7🇩🇰 DENMARK214♠x♦Q=+5
-8.8Round 13🇮🇱 ISRAEL44♠♠4-1-12
-9.0Round 13🇮🇱 ISRAEL76♣♠7-2-12
-9.1Round 4🇱🇻 LATVIA54♠x♥A=-7
-11.5Round 11🇺🇸 USA136♥♠7=+0
-16.9Round 4🇱🇻 LATVIA135♣x♦Q-5-19