CHEN Qi · TIANJIN CONTRACT BRIDGE ASSOCI

297rank
-13.3Butler · 42 bds
-0.32per board
±4.5swing
+0.93vs par /bd · #104/399
-0.67adjusted /bd
Butler per round: -16.6 -2 -16.1 -9.5 30.4 0.5by round

vs par split: bidding -0.27 · play +1.12

Strength of schedule: opponents averaged -0.35/bd (an easy draw) → opponent-adjusted -0.67/bd

Card play — on target: opening leads 77.8% #237 of 398 · declarer play 78.6% #128 of 398 · defence 95.5% #26 of 399

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)71.4% (7)
Declarer play66.7% (3)81.8% (11)
Defence100.0% (5)94.1% (17)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (3) · ♦ 0.0% (1) · ♣ 75.0% (4)

vs par by strain: NT -0.90 (10) · a suit +1.42 (31)

vs par by level: part-score +1.85 (13) · game -0.76 (25) · slam +10.00 (3)

By role: declaring -0.67/bd (-1.32 vs par · 19) · defending -0.03/bd (+2.78 vs par · 23)

By vulnerability: vulnerable -1.46/bd (+0.73 vs par · 22) · not vulnerable +0.94/bd (+1.15 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.RenL.Lau – J.OuyangClosed7-16.6-2.37-1.14
Round 2Y.RenY.Wang – L.GuOpen7-2.0-0.29-0.86
Round 4Y.RenP.Han – Y.GaoClosed7-16.1-2.30-0.14
Round 5Y.RenK.Furuta – H.OhClosed7-9.5-1.36-0.86
Round 7Y.RenW.Yue – X.LiClosed7+30.4+4.34+7.14
Round 8Y.RenJ.Tao – X.XueClosed7+0.5+0.07+1.43

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
+9.6Round 7SHANDONGPUSHI TEAM176♦♠4-2+14
+7.8Round 4SHANXI ZHANGBI OLD CASTLE284♠♠A+1+7
+6.8Round 7SHANDONGPUSHI TEAM155♣♠K-2+7
+5.7Round 2ZHEJIANG JINJIANG BRIDGE CLUB94♠♣6-3+1
+5.2Round 2ZHEJIANG JINJIANG BRIDGE CLUB145♦♦6=-2
+4.7Round 8HUOCHETOU BLUE233♥♠7-2+12
+4.2Round 7SHANDONGPUSHI TEAM214♠♦5-1+6
+4.0Round 7SHANDONGPUSHI TEAM194♠♣K-3+6
+3.3Round 7SHANDONGPUSHI TEAM202♠♥2+1+1
+3.2Round 5SOUL15♥♠A+1-1
+1.9Round 4SHANXI ZHANGBI OLD CASTLE243NT♣J+1-1
+1.5Round 7SHANDONGPUSHI TEAM162♦♥6-3+0
+1.0Round 7SHANDONGPUSHI TEAM187♣x♦A-4+16
+0.7Round 8HUOCHETOU BLUE263♣♦J-1+5
+0.6Round 1HEY YO6Pass+4
+0.5Round 8HUOCHETOU BLUE245♦♣2=-2
+0.4Round 1HEY YO41NT♥2=+11
+0.3Round 2ZHEJIANG JINJIANG BRIDGE CLUB133NT♠3=+0
+0.3Round 4SHANXI ZHANGBI OLD CASTLE263♠♣K+1+10
+0.3Round 8HUOCHETOU BLUE274♣♠J+1+0
+0.1Round 5SOUL24♥♠J+1+0
+0.1Round 8HUOCHETOU BLUE284♥♣K-2+1
-0.1Round 4SHANXI ZHANGBI OLD CASTLE253NT♠2=+0
-0.6Round 5SOUL52♠♥5=-1
-1.3Round 1HEY YO24♥♦A=-1
-1.3Round 1HEY YO74♥♦J=+1
-1.3Round 4SHANXI ZHANGBI OLD CASTLE273♣♣A-2+0
-1.5Round 5SOUL64♠♦K=+1
-1.9Round 5SOUL72♥♣6=-6
-2.1Round 1HEY YO55♦♠A-2-5
-2.3Round 2ZHEJIANG JINJIANG BRIDGE CLUB103NT♣8=+0
-2.3Round 8HUOCHETOU BLUE221NT♥5-1+0
-2.5Round 5SOUL43NT♥J=+2
-3.0Round 2ZHEJIANG JINJIANG BRIDGE CLUB113♦♥10+1+0
-3.2Round 2ZHEJIANG JINJIANG BRIDGE CLUB85♥♠A=-2
-3.5Round 8HUOCHETOU BLUE254♠♥5-1-6
-4.7Round 2ZHEJIANG JINJIANG BRIDGE CLUB123NT♣5=-3
-5.7Round 1HEY YO13NT♠4-1-10
-6.3Round 5SOUL34♥♣J+2-1
-7.2Round 1HEY YO32NT♥3+1-8
-12.3Round 4SHANXI ZHANGBI OLD CASTLE236♥♥7=+0
-12.4Round 4SHANXI ZHANGBI OLD CASTLE225♣♥10-1-17