🇭🇰 CHUNG Yu Kai · HONG KONG CHINA

128rank
-75.6Butler · 108 bds
-0.70per board
±4.5swing
-0.39vs par /bd
-0.40adjusted /bd
Butler per round: -19 -5 -21.3 -19 -4.4 -11.3 -5.9 7.2 3.1by round

vs par split: bidding +0.13 · play -0.52

Strength of schedule: opponents averaged +0.30/bd (a tough draw) → opponent-adjusted -0.40/bd

Card play — on target: opening leads 81.5% · declarer play 65.2% · defence 75.9%

Bidding activity — not a pass: 35.2% (112/318)

Card play by contract type — on target
vs NTvs a suit
Opening leads72.7% (11)87.5% (16)
Declarer play57.1% (7)68.8% (16)
Defence77.8% (27)74.2% (31)

Opening leads by suit led: ♠ 100.0% (10) · ♥ 60.0% (5) · ♦ 83.3% (6) · ♣ 66.7% (6)

vs par by strain: NT -0.57 (42) · a suit -0.27 (66)

vs par by level: part-score +0.08 (38) · game -0.48 (62) · slam -1.88 (8)

By role: declaring +0.01/bd (-1.88 vs par · 50) · defending -1.31/bd (+0.90 vs par · 58)

By vulnerability: vulnerable -0.52/bd (-0.43 vs par · 54) · not vulnerable -0.88/bd (-0.35 vs par · 54)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Y.TseE.Kolesnik – N.AptekerClosed12-19.0-1.58-3.25
Round 4Y.TseK.Cichy – K.KopkaClosed12-5.0-0.42-1.25
Round 6Y.TseM.Fragola – N.TabataClosed12-21.3-1.78+3.92
Round 11Y.TseE.Hansson – C.MannOpen12-19.0-1.58-1.17
Round 14Y.TseF.Nishita – M.NakamutaOpen12-4.4-0.37-0.83
Round 15Y.TseV.Lamoureux – J.FreemanOpen12-11.3-0.94-0.50
Round 18Y.TseM.Ferenca – V.LeskovarClosed12-5.9-0.49-2.00
Round 19Y.TseV.Patel – K.Baliram GurjarClosed12+7.2+0.60-0.17
Round 20Y.TseI.Baniri – T.LoonsteinClosed12+3.1+0.26+1.75

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
+9.4Round 4🇵🇱 POLAND235♦♠J-2+12
+9.3Round 2🇺🇸 USA1224♠x♦A+1+8
+8.9Round 15🇨🇦 CANADA96NT♥7=-12
+7.4Round 14🇯🇵 JAPAN193NT♣6-5+9
+7.0Round 6🇫🇷 FRANCE157NT♦J-1+17
+6.3Round 20🇮🇱 ISRAEL203NT♠4-3+9
+5.7Round 11🇸🇪 SWEDEN64♠♣K-1+10
+5.6Round 19🇮🇳 INDIA116♠♥J-3+15
+5.0Round 20🇮🇱 ISRAEL161NT♥T+1+6
+4.9Round 11🇸🇪 SWEDEN93NT♠4=-1
+4.7Round 4🇵🇱 POLAND152♠♥T+1+10
+4.6Round 20🇮🇱 ISRAEL213♥♠J=+10
+4.4Round 14🇯🇵 JAPAN244♥♠8=+0
+4.3Round 19🇮🇳 INDIA123NT♣3-3+6
+3.7Round 11🇸🇪 SWEDEN52♠♦J+1+7
+3.7Round 15🇨🇦 CANADA113♠♥6=-6
+3.7Round 19🇮🇳 INDIA34♥♠9=+0
+3.6Round 14🇯🇵 JAPAN224♥♠6-4+11
+3.6Round 18🇭🇷 CROATIA163♠♦2=+0
+3.4Round 18🇭🇷 CROATIA185♦♠Q+1+1
+3.3Round 20🇮🇱 ISRAEL244♠x♦7-3+2
+3.1Round 11🇸🇪 SWEDEN113NT♠2+1+7
+3.0Round 4🇵🇱 POLAND163NT♦7-1-3
+3.0Round 19🇮🇳 INDIA13♠♥7+1+6
+2.9Round 18🇭🇷 CROATIA242♠♦Q+1+0
+2.7Round 18🇭🇷 CROATIA134♠♦6+2+13
+2.7Round 20🇮🇱 ISRAEL153♥♠A-1+5
+2.6Round 19🇮🇳 INDIA23NT♠7=-2
+2.2Round 15🇨🇦 CANADA82♠♣7+3+6
+2.1Round 14🇯🇵 JAPAN153♣♥3+2-8
+2.0Round 2🇺🇸 USA1163NT♠2+2+0
+1.9Round 18🇭🇷 CROATIA145♥♠K+1+1
+1.8Round 11🇸🇪 SWEDEN32♠♦3+2+1
+1.8Round 14🇯🇵 JAPAN215♣♠A-3-4
+1.7Round 11🇸🇪 SWEDEN74♥♦A=+0
+1.7Round 19🇮🇳 INDIA43NT♠2+3+2
+1.6Round 4🇵🇱 POLAND144♣♠A=+0
+1.6Round 19🇮🇳 INDIA83♠♦6=+6
+1.4Round 2🇺🇸 USA1234♥♥3+2-13
+1.3Round 6🇫🇷 FRANCE233NT♥Q+1+0
+1.3Round 15🇨🇦 CANADA23NT♥6+4+9
+1.0Round 19🇮🇳 INDIA74♠♦3-2-7
+0.9Round 2🇺🇸 USA1143NT♦J-3-4
+0.9Round 11🇸🇪 SWEDEN103NT♥5+2+0
+0.7Round 11🇸🇪 SWEDEN123NT♥7+1+0
+0.6Round 18🇭🇷 CROATIA212♠♣J=-1
+0.5Round 2🇺🇸 USA1152♠♥6+1+0
+0.4Round 6🇫🇷 FRANCE174♥♠Q-1+4
+0.3Round 18🇭🇷 CROATIA192♥♣A=+0
+0.1Round 20🇮🇱 ISRAEL134♠♦A+2+13
+0.1Round 20🇮🇱 ISRAEL182♥♦Q-1+0
-0.0Round 14🇯🇵 JAPAN161NT♦A+1-1
-0.0Round 15🇨🇦 CANADA63♠♦A-1+8
-0.3Round 4🇵🇱 POLAND132♠♦7+1+0
-0.4Round 19🇮🇳 INDIA101NT♠2+1+1
-0.6Round 18🇭🇷 CROATIA172♦♠5-3-6
-0.7Round 4🇵🇱 POLAND223NT♥Q+1+1
-0.8Round 15🇨🇦 CANADA33♣x♠T-1-2
-0.9Round 6🇫🇷 FRANCE181NT♣Q=+5
-1.0Round 6🇫🇷 FRANCE214♥♦A+2+11
-1.3Round 14🇯🇵 JAPAN173♥♦K-1+2
-1.8Round 6🇫🇷 FRANCE223NT♦Q+3+13
-1.9Round 2🇺🇸 USA1174♥♠5+1+0
-1.9Round 6🇫🇷 FRANCE143♠♥3-3-1
-2.0Round 4🇵🇱 POLAND203NT♥6+4-2
-2.0Round 6🇫🇷 FRANCE243♥♠2=-1
-2.0Round 20🇮🇱 ISRAEL221NT♥A+2-6
-2.3Round 19🇮🇳 INDIA62♠♦T-1-4
-2.3Round 20🇮🇱 ISRAEL173♣♠2-1-4
-2.4Round 4🇵🇱 POLAND193NT♥6=+0
-2.4Round 15🇨🇦 CANADA13NT♠6+2-2
-2.4Round 18🇭🇷 CROATIA225♣♥A-2-7
-2.5Round 2🇺🇸 USA1184♠♦A-2-6
-2.7Round 14🇯🇵 JAPAN203NT♦4+3-13
-2.8Round 15🇨🇦 CANADA54♠♥2-1-10
-3.0Round 4🇵🇱 POLAND183♠♣A+1-7
-3.0Round 6🇫🇷 FRANCE133♣♠J-1-5
-3.1Round 14🇯🇵 JAPAN182♠♣Q+1+0
-3.2Round 15🇨🇦 CANADA123NT♠2=-3
-3.2Round 20🇮🇱 ISRAEL191NTx♠4=-1
-3.4Round 4🇵🇱 POLAND243NT♥Q=+0
-3.4Round 14🇯🇵 JAPAN144♥♠A-1+6
-3.4Round 14🇯🇵 JAPAN233NT♦5+1+0
-3.5Round 6🇫🇷 FRANCE195♦x♣2-3+4
-3.7Round 2🇺🇸 USA1133NT♠6+1-1
-3.7Round 2🇺🇸 USA1243♠♣A-2-5
-3.9Round 2🇺🇸 USA1191NT♠7+2-6
-4.0Round 15🇨🇦 CANADA103NT♠5=+1
-4.3Round 4🇵🇱 POLAND173NT♣5+2-11
-4.6Round 15🇨🇦 CANADA73NT♥4+1+5
-4.8Round 18🇭🇷 CROATIA204♥♦6-2-8
-5.6Round 19🇮🇳 INDIA94♠x♦J-3-12
-5.6Round 20🇮🇱 ISRAEL231NT♠Q=-6
-5.9Round 18🇭🇷 CROATIA156♦♣A=-7
-5.9Round 20🇮🇱 ISRAEL143NT♥T=-7
-6.9Round 6🇫🇷 FRANCE165♠x♣A-3+0
-7.6Round 4🇵🇱 POLAND216♠♦K=-15
-7.6Round 18🇭🇷 CROATIA233NT♣3+1-10
-8.0Round 19🇮🇳 INDIA53NT♦Q-2-13
-8.3Round 2🇺🇸 USA1216♥♠A=-1
-9.0Round 6🇫🇷 FRANCE206♠♠3=+0
-9.0Round 11🇸🇪 SWEDEN43NT♥5=+1
-9.1Round 2🇺🇸 USA1204♠♦7+1-11
-9.6Round 15🇨🇦 CANADA44♠♣2=+0
-9.7Round 11🇸🇪 SWEDEN14♥x♥3-3-12
-9.8Round 14🇯🇵 JAPAN136♠♣3=-12
-10.5Round 11🇸🇪 SWEDEN83NTx♣2-3-12
-12.3Round 11🇸🇪 SWEDEN25♦♣5+1-15