CHEN Rong-Jenn · GENTLE

30rank
+48.0Butler · 49 bds
+0.98per board
±4.4swing
+0.20vs par /bd · #123/277
+1.09adjusted /bd
Butler per round: 7.7 23.9 3.9 17.3 8.4 11.2 -24.4by round

vs par split: bidding -0.73 · play +0.88

Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted +1.09/bd

Card play — on target: opening leads 53.8% #271 of 277 · declarer play 81.8% #95 of 277 · defence 96.0% #9 of 277

Card play by contract type — on target
vs NTvs a suit
Opening leads40.0% (5)62.5% (8)
Declarer play0.0% (1)90.0% (10)
Defence87.5% (8)100.0% (17)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (2) · ♦ 75.0% (4) · ♣ 20.0% (5)

vs par by strain: NT +0.42 (12) · a suit +0.06 (36)

vs par by level: part-score -0.04 (23) · game +1.60 (20) · slam -4.80 (5)

By role: declaring +1.24/bd (-2.33 vs par · 24) · defending +0.73/bd (+2.64 vs par · 25)

By vulnerability: vulnerable +0.61/bd (-1.80 vs par · 25) · not vulnerable +1.37/bd (+2.29 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.HoW.Wang – W.ZhangClosed7+7.7+1.10+0.57
Round 2J.HoK.Kamto – A.SoebrotoClosed7+23.9+3.41+0.14
Round 3J.HoJ.Wang – Y.LiuClosed7+3.9+0.56-0.29
Round 4J.HoN.Li – S.LiuClosed7+17.3+2.47+4.29
Round 5J.HuangL.Zhang – Q.ZengClosed7+8.4+1.20-0.29
Round 7J.HoI.Coldea – B.MarinaOpen7+11.2+1.60+0.86
Round 8J.HoD.Chen – Y.ZhangClosed7-24.4-3.49-3.86

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
+8.0Round 7ROMANIA186♦♠A=-2
+7.5Round 1SUZHOUTAIHU13NT♦10-1+10
+7.2Round 3SHANDONG CONTRACT BRIDGE ASSOC164♥♣5=+0
+7.0Round 2INDONESIA136♠♥4+1-13
+6.3Round 2INDONESIA94♠♣J-2+8
+5.9Round 1SUZHOUTAIHU42♦♣5-3-8
+5.8Round 4LUDUS283NT♣4=+3
+5.8Round 7ROMANIA174♠x♣8-1+11
+5.5Round 5GSRC & P UNITED76♥♣4+1+1
+5.2Round 1SUZHOUTAIHU52♠♠3=+6
+5.2Round 5GSRC & P UNITED54♠♥2-2+11
+4.7Round 4LUDUS242♠♣A-3+6
+4.4Round 8YEH MIX223♠♥Q-2+8
+4.2Round 4LUDUS222♥♦2+1+10
+3.6Round 2INDONESIA104♥♠3=+3
+3.4Round 7ROMANIA165♠♣10-1+5
+3.0Round 1SUZHOUTAIHU32NT♠5-1+6
+3.0Round 3SHANDONG CONTRACT BRIDGE ASSOC201NT♦5+1+0
+2.9Round 8YEH MIX274♠♥2=+0
+2.8Round 2INDONESIA123♠♥6=+1
+2.4Round 2INDONESIA142♠♦J+1+1
+1.6Round 3SHANDONG CONTRACT BRIDGE ASSOC194♠♦K=+6
+1.6Round 5GSRC & P UNITED66NT♣10+1-10
+1.4Round 4LUDUS233♣♦7+1+0
+0.9Round 2INDONESIA81NT♦J=-1
+0.9Round 2INDONESIA112NT♦4+2+2
+0.9Round 5GSRC & P UNITED33♦x♣A-3+3
+0.9Round 7ROMANIA20Pass+3
+0.6Round 4LUDUS262♥♣Q=+0
+0.4Round 4LUDUS274♠♥6=+11
+0.2Round 4LUDUS253NT♠Q=+0
-0.4Round 5GSRC & P UNITED14♥♣A=-1
-0.7Round 1SUZHOUTAIHU71NT♣J+1+1
-0.7Round 3SHANDONG CONTRACT BRIDGE ASSOC214♣♥2+1-10
-1.0Round 7ROMANIA191NT♠2=+1
-1.2Round 5GSRC & P UNITED23♠♥K=+0
-1.4Round 8YEH MIX233♣♠K=+0
-1.6Round 3SHANDONG CONTRACT BRIDGE ASSOC154♥♠10+3+10
-2.4Round 7ROMANIA216♠♦7=+0
-2.5Round 3SHANDONG CONTRACT BRIDGE ASSOC174♠♣8-1-8
-3.1Round 3SHANDONG CONTRACT BRIDGE ASSOC182♠♥4=+0
-3.2Round 5GSRC & P UNITED44♠♦K-1-6
-3.5Round 7ROMANIA154♠♥2-1-12
-4.1Round 1SUZHOUTAIHU23♣♣4-2-11
-4.6Round 8YEH MIX252♣♣5=-6
-5.4Round 8YEH MIX263♦♥3+2-10
-7.9Round 8YEH MIX243NT♣9+1-7
-9.1Round 1SUZHOUTAIHU63NT♦5=+0
-12.4Round 8YEH MIX285♠x♣7-1-12