🇭🇰 CHEUNG Wai Lam · HONG KONG

73rank
-34.0Butler · 48 bds
-0.71per board
±5.3swing
-0.54vs par /bd · #62/95
-0.48adjusted /bd
Butler per round: -10.4 1 -28.1 10.5 9 -16by round

vs par split: bidding +0.53 · play -1.02

Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted -0.48/bd

Card play — on target: opening leads 100.0% #1 of 95 · declarer play 61.5% #79 of 95 · defence 63.2% #88 of 95

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)100.0% (5)
Declarer play50.0% (2)63.6% (11)
Defence100.0% (3)56.2% (16)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 100.0% (1) · ♣ 100.0% (3)

vs par by strain: NT -3.30 (10) · a suit +0.27 (37)

vs par by level: part-score -2.42 (12) · game -0.94 (31) · slam +8.75 (4)

By role: declaring -0.83/bd (-2.93 vs par · 28) · defending -0.54/bd (+2.80 vs par · 20)

By vulnerability: vulnerable -2.88/bd (-2.96 vs par · 24) · not vulnerable +1.46/bd (+1.88 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1K.LinS.Sun – H.WeiOpen8-10.4-1.30-3.25
Round 2K.LinT.Sprinkhuizen – G.Mendes De LeonOpen8+1.0+0.12-2.75
Round 3S.NgP.Scheberan – S.ThorpeOpen8-28.1-3.51-1.50
Round 5T.HungK.Bossonney – B.PerezOpen8+10.5+1.31+5.25
Round 6M.WuC.Bakke – I.OikonomopoulosOpen8+9.0+1.12+1.00
Round 7S.NgE.Endo – T.HinoOpen8-16.0-2.00-2.00

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
+8.5Round 1🇨🇳 CHINA RDFZ HU24♥xx♦Q+2+7
+8.5Round 6GREISNOR94♥♦Q-1+10
+8.1Round 1🇨🇳 CHINA RDFZ HU84♠♥6=+8
+7.7Round 7🇯🇵 JAPAN185♣x♠K=+9
+6.6Round 5🇨🇱 CHILE84♥♣10-1+4
+5.6Round 5🇨🇱 CHILE13♣x♦A-2+5
+5.4Round 5🇨🇱 CHILE55♣♦2=+13
+4.8Round 6GREISNOR103NT♥4-1+6
+3.5Round 3🇦🇹 AUSTRIA174♠♣K+1+0
+3.4Round 7🇯🇵 JAPAN214♠♦K=+7
+3.3Round 5🇨🇱 CHILE21♥♦K+1+5
+3.1Round 2🇳🇱 NETHERLANDS134♠♥K+1+0
+3.0Round 2🇳🇱 NETHERLANDS164♥♣7-3-3
+2.3Round 2🇳🇱 NETHERLANDS143♣♣5+1+0
+2.3Round 6GREISNOR144♥♣2-1+10
+2.1Round 5🇨🇱 CHILE41NT♣K+1+1
+1.8Round 2🇳🇱 NETHERLANDS105♦♥A=+0
+1.7Round 3🇦🇹 AUSTRIA196♠♦3-1+12
+1.5Round 1🇨🇳 CHINA RDFZ HU32♥♦A+2-1
+1.4Round 2🇳🇱 NETHERLANDS114♥♠A+1+0
+1.3Round 6GREISNOR154♥♦A+1+0
+1.2Round 6GREISNOR124♥♠8=+0
+0.6Round 6GREISNOR134♠♦K+1+0
-0.1Round 3🇦🇹 AUSTRIA186NT♥10+1+11
-0.6Round 5🇨🇱 CHILE63NT♠Q+3+11
-0.6Round 7🇯🇵 JAPAN17Pass-3
-0.7Round 2🇳🇱 NETHERLANDS94♠♦6=+1
-1.0Round 7🇯🇵 JAPAN194♥♣K-2-7
-1.3Round 1🇨🇳 CHINA RDFZ HU63♦♦2=-10
-1.4Round 1🇨🇳 CHINA RDFZ HU13♠♦9-2+0
-2.2Round 2🇳🇱 NETHERLANDS122♥♣K+3-10
-2.9Round 6GREISNOR163NT♠5-1-12
-3.2Round 5🇨🇱 CHILE73NT♠6-3-9
-3.2Round 7🇯🇵 JAPAN232♥♦6+2-1
-3.7Round 3🇦🇹 AUSTRIA241♠♣A=-5
-4.2Round 3🇦🇹 AUSTRIA222NT♦3-2-5
-4.2Round 3🇦🇹 AUSTRIA232♠♥5-2-8
-6.1Round 1🇨🇳 CHINA RDFZ HU54♥♠4-2-6
-6.7Round 7🇯🇵 JAPAN203NT♠5-1-13
-6.8Round 6GREISNOR115♣♦K-2-6
-6.8Round 7🇯🇵 JAPAN244♥♦A=-8
-7.5Round 3🇦🇹 AUSTRIA214♠♣A=-7
-7.7Round 2🇳🇱 NETHERLANDS154♥♦J-3-10
-8.7Round 5🇨🇱 CHILE36♦♠4=+12
-8.8Round 7🇯🇵 JAPAN226♠♣6=+0
-9.4Round 1🇨🇳 CHINA RDFZ HU74♠♣K+1-11
-10.3Round 1🇨🇳 CHINA RDFZ HU43NT♦7-3-13
-13.6Round 3🇦🇹 AUSTRIA203NT♦Q-3-10