CHEN Yihong · SX XHLD

15rank
+39.9Butler · 60 bds
+0.67per board
±4.8swing
-1.12vs par /bd · #49/61
+0.08adjusted /bd
Butler per round: 9.6 -20.6 3.6 7.5 26.1 13.7by round

vs par split: bidding -0.25 · play -0.81

Strength of schedule: opponents averaged -0.59/bd (an easy draw) → opponent-adjusted +0.08/bd

Card play — on target: opening leads 76.9% #36 of 60 · declarer play 70.6% #34 of 60 · defence 79.3% #36 of 61

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (3)70.0% (10)
Declarer play80.0% (5)66.7% (12)
Defence50.0% (6)87.0% (23)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 80.0% (5) · ♦ 75.0% (4) · ♣ 50.0% (2)

vs par by strain: NT -0.88 (16) · a suit -1.14 (43)

vs par by level: part-score -1.00 (29) · game -1.40 (25) · slam +0.20 (5)

By role: declaring +0.54/bd (-3.39 vs par · 31) · defending +0.80/bd (+1.31 vs par · 29)

By vulnerability: vulnerable +1.14/bd (+0.20 vs par · 30) · not vulnerable +0.19/bd (-2.43 vs par · 30)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.ShangV.Otto – F.DoermerOpen10+9.6+0.96-1.60
Round 2H.ShangP.Hulanicki – T.KielbasaClosed10-20.6-2.06-2.70
Round 4H.ShangY.Huang – Y.LanOpen10+3.6+0.36-2.80
Round 5H.ShangD.Liu – Z.LinOpen10+7.5+0.75-1.50
Round 7H.ShangA.Carletti – M.MeregalliClosed10+26.1+2.61+0.10
Round 8H.ShangA.Robertson – C.HoskingClosed10+13.7+1.37+1.80

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
+15.8Round 8AUSSIE KIDS207♠x♥A-3+16
+11.0Round 7ITALIA94♥♣2+3+14
+10.4Round 7ITALIA86NT♣6=+0
+9.9Round 4CHINESE TAIPEI WHITE44♥x♠Q-3+4
+6.6Round 8AUSSIE KIDS164♥x♦Q-1+6
+5.7Round 5CHINA RDFZ3153NT♦10+1-1
+5.7Round 8AUSSIE KIDS172♥♠4+1+7
+5.5Round 1GERMANY42♣♥A-1-1
+5.2Round 8AUSSIE KIDS142♥♣Q-2+5
+5.0Round 5CHINA RDFZ3114♠♣K=+0
+4.9Round 7ITALIA33NT♠7+3+2
+4.2Round 1GERMANY92NT♣3-2+6
+4.1Round 1GERMANY71NT♥3+2+1
+3.9Round 7ITALIA53NT♠Q+1+0
+3.8Round 2AZSUW AKADEMIABRYDZA144♠♣6+1+0
+3.5Round 7ITALIA22♥♦J=+5
+3.5Round 8AUSSIE KIDS153♠♦6-1+5
+3.3Round 5CHINA RDFZ3162♦♣K+2+0
+2.9Round 1GERMANY33NT♠7=-1
+2.6Round 4CHINESE TAIPEI WHITE95♦♠5=-11
+2.5Round 4CHINESE TAIPEI WHITE104♠♣2=-1
+2.2Round 5CHINA RDFZ3182♥♣2=+1
+1.9Round 5CHINA RDFZ3203♠x♣10-2-4
+1.8Round 1GERMANY102♣♠J+1+0
+1.3Round 1GERMANY24♠♣5-1-5
+1.3Round 5CHINA RDFZ3132♦♣K+2+0
+1.1Round 4CHINESE TAIPEI WHITE12♠♦2-1-4
+0.8Round 2AZSUW AKADEMIABRYDZA163♠♦A-2-1
+0.5Round 2AZSUW AKADEMIABRYDZA192♦♣7-1+0
+0.5Round 5CHINA RDFZ3144♠♦2+2-11
+0.2Round 7ITALIA14♥♣5+2-11
+0.2Round 8AUSSIE KIDS123NT♠7+1+0
-0.0Round 7ITALIA63♠♦6+2-9
-0.1Round 1GERMANY12NT♥4-1-2
-0.2Round 4CHINESE TAIPEI WHITE61NT♦6=+2
-0.2Round 7ITALIA75♠♥Q+1+13
-0.4Round 4CHINESE TAIPEI WHITE54♠♦Q=+1
-0.7Round 8AUSSIE KIDS111NT♣J-2+0
-1.5Round 4CHINESE TAIPEI WHITE7Pass-4
-2.3Round 1GERMANY64♠♥5-3+3
-2.6Round 2AZSUW AKADEMIABRYDZA115♥♦2+1-2
-2.6Round 2AZSUW AKADEMIABRYDZA122NT♣9+2-1
-2.6Round 2AZSUW AKADEMIABRYDZA132♥♠J+1+0
-2.8Round 2AZSUW AKADEMIABRYDZA181NT♦6-1+1
-2.8Round 4CHINESE TAIPEI WHITE82♠♦J+5-4
-2.8Round 5CHINA RDFZ3126♥♦3+1+11
-2.9Round 2AZSUW AKADEMIABRYDZA174♥♠2=+0
-3.2Round 4CHINESE TAIPEI WHITE31NT♥5=-5
-3.3Round 5CHINA RDFZ3194♠♥K+1+0
-3.7Round 7ITALIA44♣♠10-1-3
-3.9Round 1GERMANY53♠x♦3-3-12
-3.9Round 1GERMANY83♣♦A=-5
-3.9Round 7ITALIA104♠x♥J-1-10
-4.3Round 8AUSSIE KIDS184♥♦8=-3
-4.4Round 4CHINESE TAIPEI WHITE22♠♣A-1-6
-4.9Round 2AZSUW AKADEMIABRYDZA153NT♦Q+3-11
-5.3Round 8AUSSIE KIDS132NT♥5=-5
-6.3Round 5CHINA RDFZ3175♣♥A-1-11
-7.3Round 2AZSUW AKADEMIABRYDZA206♠♥A-2-13
-13.0Round 8AUSSIE KIDS196♠♣7-1-13