CHEN Jiun-Ming · CHINESE TAIPEI OPEN

90rank
+19.7Butler · 72 bds
+0.27per board
±4.0swing
+0.71vs par /bd · #72/259
+0.45adjusted /bd
Butler per round: 1.4 27.4 -32.7 0.8 5.7 17.1by round

vs par split: bidding +0.89 · play -0.18

Strength of schedule: opponents averaged +0.17/bd (a tough draw) → opponent-adjusted +0.45/bd

Card play — on target: opening leads 80.0% #125 of 259 · declarer play 81.2% #35 of 259 · defence 79.5% #239 of 259

Card play by contract type — on target
vs NTvs a suit
Opening leads57.1% (7)92.3% (13)
Declarer play50.0% (2)85.7% (14)
Defence85.7% (14)76.0% (25)

Opening leads by suit led: ♠ 100.0% (9) · ♥ 33.3% (3) · ♦ 66.7% (3) · ♣ 80.0% (5)

vs par by strain: NT +1.50 (22) · a suit +0.36 (50)

vs par by level: part-score -0.08 (24) · game +1.08 (47) · slam +2.00 (1)

By role: declaring +0.75/bd (-2.15 vs par · 33) · defending -0.13/bd (+3.13 vs par · 39)

By vulnerability: vulnerable +0.69/bd (+0.53 vs par · 36) · not vulnerable -0.14/bd (+0.89 vs par · 36)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3H.LinH.Ding – N.BausbackOpen12+1.4+0.12-2.92
Round 4H.LinK.Mak – Q.ShenOpen12+27.4+2.28+3.33
Round 5H.LinM.Figueiredo – M.Villas-BoasClosed12-32.7-2.73-4.33
Round 6H.LinF.Nacrur – G.GuridiOpen12+0.8+0.07+0.67
Round 7Y.HungP.Cullin – M.MichielsenOpen12+5.7+0.48+3.75
Round 8Y.HungP.Carter – P.NewellClosed12+17.1+1.43+3.75

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
+13.3Round 7VENTIN104♠x♦A+1+15
+10.9Round 4GEELY AUTOMOBILE233NT♣7-3+14
+8.6Round 4GEELY AUTOMOBILE143NT♣8-1+10
+8.1Round 3TAMEWARE93NT♠Q-2+13
+7.2Round 8NEW ZEALAND MIX183NT♠4+1+10
+6.4Round 4GEELY AUTOMOBILE204♥♦2=+0
+5.8Round 6CHILE MIXTO234♥x♣6-1+8
+4.9Round 8NEW ZEALAND MIX192♥♥6=+6
+4.8Round 6CHILE MIXTO153NT♣K-3+2
+4.6Round 6CHILE MIXTO163NT♠J-1+12
+4.6Round 8NEW ZEALAND MIX153♦♠6+1+7
+4.5Round 6CHILE MIXTO184♠♦2+1+1
+4.5Round 7VENTIN93♣♠3+1+6
+4.2Round 8NEW ZEALAND MIX174♠♣4-1+10
+2.7Round 4GEELY AUTOMOBILE223NT♥8-1+5
+2.6Round 4GEELY AUTOMOBILE174♥♦A=+0
+2.4Round 7VENTIN83NT♦K-2+11
+2.1Round 3TAMEWARE124♠♥6=+3
+1.8Round 4GEELY AUTOMOBILE135♦♣A+1+13
+1.4Round 8NEW ZEALAND MIX132♥♠A=+11
+1.3Round 3TAMEWARE54♥♦6=+0
+1.3Round 4GEELY AUTOMOBILE182♠♥6-1+0
+1.2Round 3TAMEWARE114♥♦6+1+1
+1.1Round 5DRINTEAM124♠♥A+1+0
+1.0Round 6CHILE MIXTO172♠♣2=+0
+1.0Round 6CHILE MIXTO243NT♥J-2+0
+0.9Round 7VENTIN14♥♣9+2+11
+0.8Round 3TAMEWARE23NT♠9+2-12
+0.8Round 8NEW ZEALAND MIX203♣♠10-1+5
+0.6Round 8NEW ZEALAND MIX245♥x♥A-2+5
+0.5Round 4GEELY AUTOMOBILE194♠♣10=+1
+0.4Round 5DRINTEAM24♥♣2+1-13
+0.4Round 6CHILE MIXTO223NT♦3+2+1
+0.2Round 7VENTIN62♠♥4+1+0
-0.0Round 3TAMEWARE65♣♠J+1-14
-0.0Round 7VENTIN43NT♣7+2+0
-0.2Round 8NEW ZEALAND MIX222♥♠9+2+7
-0.3Round 8NEW ZEALAND MIX212♠♣3+2-10
-0.4Round 7VENTIN23NT♠10+2+0
-0.4Round 8NEW ZEALAND MIX143NT♦J+2-14
-0.6Round 5DRINTEAM43NT♥2+1+0
-0.9Round 3TAMEWARE74♠♣7-2-7
-0.9Round 6CHILE MIXTO134♥♣8-2+2
-1.0Round 4GEELY AUTOMOBILE152♥♦2+1+8
-1.1Round 7VENTIN31NT♠4=+9
-1.1Round 7VENTIN123♠♣A-2+6
-1.2Round 3TAMEWARE42♦♣3+1-1
-1.2Round 3TAMEWARE84♥♦10+1-1
-1.2Round 5DRINTEAM52NT♠4-2-13
-1.3Round 4GEELY AUTOMOBILE164♥♠Q=+0
-1.3Round 5DRINTEAM63♥♠A+1+4
-1.4Round 7VENTIN113NT♠6+2+11
-1.5Round 3TAMEWARE34♥♣2-1-10
-1.5Round 4GEELY AUTOMOBILE243♠♣J-2-7
-1.8Round 5DRINTEAM113♥♠Q+1-6
-1.9Round 5DRINTEAM31NT♠6+2-6
-2.2Round 8NEW ZEALAND MIX234♥♦8=+13
-2.6Round 6CHILE MIXTO144♥♠4+1-1
-2.9Round 3TAMEWARE14♦♠3=-1
-3.5Round 8NEW ZEALAND MIX163NT♥5-1-5
-3.6Round 4GEELY AUTOMOBILE215♠♥A=-4
-3.9Round 5DRINTEAM13NT♠3+1-4
-4.1Round 6CHILE MIXTO214♣♦4-1-6
-4.3Round 6CHILE MIXTO204♠♣A=+0
-4.4Round 3TAMEWARE102♦♠Q=-6
-4.7Round 5DRINTEAM103♥x♥Q-3-5
-4.9Round 7VENTIN52♥♦J+2-10
-6.0Round 5DRINTEAM93NT♣9+1-11
-6.3Round 5DRINTEAM74♠♥6=+0
-6.5Round 5DRINTEAM86♦♣A=+2
-6.7Round 7VENTIN75♦♠A-1-14
-9.4Round 6CHILE MIXTO195♥♦4+1-11