CHEN Wei · RAINBOW

454rank
-14.0Butler · 35 bds
-0.40per board
±4.7swing
-1.34vs par /bd · #445/579
-0.38adjusted /bd
Butler per round: -13.4 5.9 6.5 -11.5 -1.5by round

vs par split: bidding -0.23 · play -1.11

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted -0.38/bd

Card play — on target: opening leads 71.4% #381 of 579 · declarer play 87.5% #92 of 579 · defence 73.7% #546 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads40.0% (5)88.9% (9)
Declarer play100.0% (2)83.3% (6)
Defence66.7% (6)76.9% (13)

Opening leads by suit led: ♥ 83.3% (6) · ♦ 66.7% (3) · ♣ 60.0% (5)

vs par by strain: NT -0.67 (12) · a suit -1.70 (23)

vs par by level: part-score -1.30 (20) · game -1.36 (14) · slam -2.00 (1)

By role: declaring -0.47/bd (-3.81 vs par · 16) · defending -0.34/bd (+0.74 vs par · 19)

By vulnerability: vulnerable -0.38/bd (-1.28 vs par · 18) · not vulnerable -0.42/bd (-1.41 vs par · 17)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.ZhaoC.Ng – P.LauOpen7-13.4-1.91-3.86
Round 2J.ZhaoN.Abedi – E.AksuyekOpen7+5.9+0.84+3.00
Round 5J.ZhaoY.Zhao – S.LiuClosed7+6.5+0.93+1.00
Round 7J.ZhaoG.Zhang – D.HuaOpen7-11.5-1.64-3.00
Round 8J.ZhaoZ.Li – Y.ZhangOpen7-1.5-0.21-3.86

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
+8.9Round 5P D PIONEERS72NT♥4+1+10
+8.0Round 8BEYOND284♠♣K=+0
+7.7Round 8BEYOND223NT♣10+2+1
+6.5Round 5P D PIONEERS67♣♥J=-2
+4.3Round 2BILAL103NT♠10+2+1
+4.1Round 1HK ZEN63NT♦Q-1-2
+4.1Round 8BEYOND273NT♣7-3+2
+2.8Round 7SHAOGUAN BRIDGE ASOCIATION182NT♣9=-1
+2.6Round 2BILAL93♣♦A+2+6
+2.6Round 5P D PIONEERS13NT♥7+1+1
+1.8Round 2BILAL143♠♥A-1+4
+1.0Round 2BILAL121NT♥4-1-1
+0.6Round 5P D PIONEERS22♥♣6+1+0
+0.6Round 7SHAOGUAN BRIDGE ASOCIATION172♠♦9+1+0
+0.6Round 7SHAOGUAN BRIDGE ASOCIATION204♥♣9+1+13
-0.0Round 7SHAOGUAN BRIDGE ASOCIATION192♣♥10=+1
-0.1Round 1HK ZEN21NT♥5-1-5
-0.3Round 2BILAL114♠♥J+1+10
-0.4Round 8BEYOND231NT♦6+1+0
-0.8Round 1HK ZEN32♠x♣9-1-2
-1.3Round 5P D PIONEERS52♥♣A+2-1
-1.5Round 2BILAL82♠♥K-1+2
-1.6Round 1HK ZEN53♠♥3+2-2
-2.0Round 2BILAL134♥♣9+2-1
-2.4Round 1HK ZEN42♠♥K=-6
-2.4Round 8BEYOND254♠x♣K-2-7
-2.9Round 7SHAOGUAN BRIDGE ASOCIATION153♦♥A+1-13
-3.3Round 5P D PIONEERS33♣♠9=+1
-3.4Round 1HK ZEN12♠♦J-1+2
-3.7Round 7SHAOGUAN BRIDGE ASOCIATION162♦♠9+3-10
-7.5Round 5P D PIONEERS43NT♣2+3-2
-8.7Round 8BEYOND245♥♠K-1-11
-8.9Round 7SHAOGUAN BRIDGE ASOCIATION212♣x♦A+1-11
-9.2Round 1HK ZEN75♣♦Q-1-12
-9.8Round 8BEYOND263NT♠3-1-12