CHEN Yen-Jung · CHINESE TAIPEI BLUE

17rank
+31.5Butler · 50 bds
+0.63per board
±5.0swing
+0.76vs par /bd · #17/61
+0.78adjusted /bd
Butler per round: 24.2 33.5 -3.6 -3.6 -19by round

vs par split: bidding +0.18 · play +0.51

Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +0.78/bd

Card play — on target: opening leads 61.5% #56 of 60 · declarer play 72.7% #30 of 60 · defence 81.5% #29 of 61

Card play by contract type — on target
vs NTvs a suit
Opening leads33.3% (3)70.0% (10)
Declarer play50.0% (4)85.7% (7)
Defence75.0% (12)86.7% (15)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 75.0% (4) · ♦ 50.0% (4) · ♣ 66.7% (3)

vs par by strain: NT +1.30 (20) · a suit +0.28 (29)

vs par by level: part-score -0.21 (19) · game +0.44 (25) · slam +5.40 (5)

By role: declaring +2.04/bd (-2.09 vs par · 22) · defending -0.47/bd (+3.00 vs par · 28)

By vulnerability: vulnerable +0.97/bd (+1.41 vs par · 27) · not vulnerable +0.23/bd (+0.00 vs par · 23)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.LoY.Chu – H.FanOpen10+24.2+2.42-0.30
Round 2C.LoY.Shao – S.LiuClosed10+33.5+3.35+4.10
Round 4C.LoH.Dai – T.ZhangOpen10-3.6-0.36+3.00
Round 5C.LoP.Hulanicki – T.KielbasaClosed10-3.6-0.36-2.40
Round 7C.LoR.Mao – P.WangOpen10-19.0-1.90-0.60

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
+13.4Round 1CHINESE TAIPEI WHITE64♠♦A=+14
+12.4Round 7SX XHEST36NT♦10-3+14
+11.4Round 2SX HYSW123NT♥6+2+11
+8.8Round 1CHINESE TAIPEI WHITE52♠♦2+1+0
+7.3Round 2SX HYSW206♠♠7-2+13
+6.3Round 2SX HYSW164♥♦7-2+8
+5.1Round 1CHINESE TAIPEI WHITE71NT♥2+3+2
+5.0Round 5AZSUW AKADEMIABRYDZA114♠♣K=+0
+5.0Round 5AZSUW AKADEMIABRYDZA203NT♠5+1+0
+4.9Round 2SX HYSW153NT♦K+3+11
+4.7Round 4SX XNWY33♥♦3-3+6
+4.2Round 7SX XHEST51NT♦7+1+7
+4.0Round 5AZSUW AKADEMIABRYDZA174♠♥A+1+0
+2.9Round 1CHINESE TAIPEI WHITE33NT♦Q=-1
+2.9Round 2SX HYSW174♥♦2=+0
+2.8Round 2SX HYSW182♠♥2-1-1
+2.8Round 4SX XNWY82♠♦J+5+4
+2.7Round 1CHINESE TAIPEI WHITE102♥♦2+1+1
+2.0Round 4SX XNWY13♠♣Q-3+6
+1.6Round 1CHINESE TAIPEI WHITE11NT♥4-2+0
+1.5Round 2SX HYSW131NT♥4-1-1
+1.5Round 4SX XNWY7Pass+4
+1.3Round 5AZSUW AKADEMIABRYDZA132♦♥2+2+0
+1.2Round 4SX XNWY62♠♦3=-1
+0.7Round 2SX HYSW114♥♦2=+0
+0.5Round 5AZSUW AKADEMIABRYDZA144♠♣K+2-11
+0.4Round 4SX XNWY54♠♣A=-1
+0.2Round 7SX XHEST74♠♥Q+2-13
-0.5Round 2SX HYSW192NT♣2-1+0
-0.9Round 7SX XHEST84NT♥J+2+11
-1.8Round 1CHINESE TAIPEI WHITE42NT♠K-2-8
-1.9Round 7SX XHEST96♥♦4+1-11
-2.1Round 1CHINESE TAIPEI WHITE23NT♦3-3-7
-2.2Round 4SX XNWY22♦♣K+2+0
-2.5Round 1CHINESE TAIPEI WHITE92NT♥2=+1
-2.8Round 5AZSUW AKADEMIABRYDZA126♥♥Q+1+11
-3.0Round 7SX XHEST21NT♣7=-5
-3.3Round 5AZSUW AKADEMIABRYDZA194♠♥K+1+0
-3.5Round 4SX XNWY104♠♣K+1+0
-3.7Round 5AZSUW AKADEMIABRYDZA183NT♣2=-6
-3.8Round 2SX HYSW144♠♦A+1+0
-3.9Round 1CHINESE TAIPEI WHITE83♣♠Q=-5
-4.1Round 5AZSUW AKADEMIABRYDZA153♠♣9+2-10
-4.3Round 4SX XNWY93NT♥7+2+10
-5.3Round 7SX XHEST104♥♣2+3-2
-5.5Round 5AZSUW AKADEMIABRYDZA163NT♠6-4-8
-6.2Round 4SX XNWY43NT♥8=+2
-6.8Round 7SX XHEST43NT♠Q-5-7
-8.1Round 7SX XHEST64♠♦8=+0
-9.8Round 7SX XHEST16♥♠7=+0