🇭🇰 KUNG Ka Chun · HONG KONG CHINA

94rank
-66.9Butler · 112 bds
-0.60per board
±4.3swing
-0.29vs par /bd · #76/111
-0.97adjusted /bd
Butler per round: 0.3 -36.1 -4.5 12 -7.9 -4.8 0.7 -26.6by round

vs par split: bidding -0.12 · play -0.20

Strength of schedule: opponents averaged -0.37/bd (an easy draw) → opponent-adjusted -0.97/bd

Card play — on target: opening leads 71.4% #96 of 111 · declarer play 69.0% #80 of 111 · defence 82.0% #41 of 111

Bidding activity — not a pass: 45.4% #27 of 111 (133/293)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (10)83.3% (18)
Declarer play87.5% (8)61.9% (21)
Defence72.2% (18)87.5% (32)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 60.0% (5) · ♦ 87.5% (8) · ♣ 62.5% (8)

vs par by strain: NT -1.16 (38) · a suit +0.12 (73)

vs par by level: part-score +1.53 (43) · game -1.24 (59) · slam -3.11 (9)

By role: declaring -0.88/bd (-3.00 vs par · 61) · defending -0.28/bd (+2.96 vs par · 50)

By vulnerability: vulnerable -0.83/bd (-1.77 vs par · 56) · not vulnerable -0.36/bd (+1.18 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2T.YipB.Koerner – S.RidouClosed14+0.3+0.02+0.64
Round 3T.YipB.Zhu – H.LubaClosed14-36.1-2.58-5.14
Round 7T.YipL.Topper – G.BartleyOpen14-4.5-0.32+1.43
Round 9T.YipPRAJJWAL - – V.NanduOpen14+12.0+0.86+1.07
Round 12T.YipY.Miura – Y.InamuraClosed14-7.9-0.56-1.07
Round 13T.YipY.Pong – Y.GohClosed14-4.8-0.34-0.57
Round 18T.YipP.Kingston – D.HoyneOpen14+0.7+0.05+1.50
Round 19T.YipD.Tylvad – C.LahrmannOpen14-26.6-1.90-0.21

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
+12.3Round 2🇩🇪 GERMANY236♥♣K=+0
+10.7Round 9🇮🇳 INDIA103NT♥Q-2+13
+8.9Round 3🇺🇸 USA113♥x♠2=+10
+8.0Round 18🇮🇪 IRELAND232NT♦6+1+10
+7.9Round 18🇮🇪 IRELAND154♥♦K-2+12
+7.1Round 3🇺🇸 USA1145♦♠A-2+9
+6.3Round 9🇮🇳 INDIA73NT♠J+2-13
+4.9Round 7🇦🇺 AUSTRALIA113♦♠A=+6
+4.6Round 7🇦🇺 AUSTRALIA62♥♠A=+12
+4.1Round 9🇮🇳 INDIA24♥♦5-1+12
+4.0Round 7🇦🇺 AUSTRALIA101NT♦A=+5
+3.8Round 12🇯🇵 JAPAN153♣♦6=+6
+3.8Round 13🇸🇬 SINGAPORE73♦♥K=+6
+3.6Round 2🇩🇪 GERMANY212NT♠2-2+7
+3.6Round 9🇮🇳 INDIA142♦♠J=+11
+3.3Round 7🇦🇺 AUSTRALIA14♥♠K-1+8
+3.3Round 13🇸🇬 SINGAPORE43NT♠J+3+1
+3.2Round 19🇩🇰 DENMARK106NT♣2-1+13
+3.1Round 9🇮🇳 INDIA132♥♣K-2+9
+3.1Round 13🇸🇬 SINGAPORE103NT♦Q-1+12
+2.9Round 3🇺🇸 USA1116♣♦2=-2
+2.9Round 7🇦🇺 AUSTRALIA142♠♣K=+6
+2.9Round 9🇮🇳 INDIA53NT♥6-1+13
+2.9Round 12🇯🇵 JAPAN242♠♣A-1+4
+2.7Round 2🇩🇪 GERMANY183NT♥3+2-10
+2.7Round 18🇮🇪 IRELAND181NT♠2=+6
+2.5Round 19🇩🇰 DENMARK144♠♣K-1+4
+2.1Round 9🇮🇳 INDIA113NT♥6+3-10
+1.9Round 7🇦🇺 AUSTRALIA85♣x♠7-2+5
+1.9Round 13🇸🇬 SINGAPORE23NT♦2-1+10
+1.9Round 19🇩🇰 DENMARK112♦♠Q-1+5
+1.8Round 18🇮🇪 IRELAND192♦♦8-2-1
+1.6Round 3🇺🇸 USA134♠♦A+1+0
+1.4Round 13🇸🇬 SINGAPORE12♥♦A=+1
+1.3Round 7🇦🇺 AUSTRALIA34♥♠2-1+6
+1.3Round 12🇯🇵 JAPAN183♣♣9+2+6
+1.2Round 12🇯🇵 JAPAN194♠♣T-1+6
+1.1Round 2🇩🇪 GERMANY264♥♦A=+3
+1.1Round 13🇸🇬 SINGAPORE53NT♥4-1+4
+1.1Round 18🇮🇪 IRELAND254♥♠K+1+0
+0.9Round 12🇯🇵 JAPAN231NT♦8+2+1
+0.9Round 18🇮🇪 IRELAND203NT♥3=-2
+0.9Round 19🇩🇰 DENMARK44♥♣J=-1
+0.5Round 2🇩🇪 GERMANY17Pass+2
+0.5Round 2🇩🇪 GERMANY243NT♠T+1+1
+0.4Round 12🇯🇵 JAPAN174♠♥2=+0
+0.4Round 13🇸🇬 SINGAPORE142♥♣5=+0
+0.4Round 19🇩🇰 DENMARK23♦♣6=+0
+0.3Round 7🇦🇺 AUSTRALIA41NT♥3=+5
+0.1Round 9🇮🇳 INDIA91♠♣K+1+1
+0.1Round 12🇯🇵 JAPAN204♥♠A+1+0
+0.1Round 13🇸🇬 SINGAPORE84♠♦K+1-11
-0.1Round 2🇩🇪 GERMANY164NT♠5+3-15
-0.1Round 18🇮🇪 IRELAND221NT♦9=-1
-0.2Round 9🇮🇳 INDIA84♥♠5=-1
-0.3Round 2🇩🇪 GERMANY284♠♠9+1+13
-0.3Round 19🇩🇰 DENMARK62♥♣2+1+10
-0.4Round 18🇮🇪 IRELAND173NT♦2+2+0
-0.5Round 3🇺🇸 USA193♥♣5+1-1
-0.6Round 18🇮🇪 IRELAND264♥♠5=+0
-0.7Round 9🇮🇳 INDIA33NT♣5+1+0
-0.8Round 2🇩🇪 GERMANY253NT♠2+3+10
-0.8Round 13🇸🇬 SINGAPORE113♣♦9+1+7
-0.9Round 13🇸🇬 SINGAPORE134♠♦A=-1
-1.3Round 12🇯🇵 JAPAN213NT♣J=+2
-1.3Round 12🇯🇵 JAPAN262♠♦A=-11
-1.4Round 2🇩🇪 GERMANY192NT♠A+1+0
-1.5Round 12🇯🇵 JAPAN284♥♣8+1+0
-1.6Round 9🇮🇳 INDIA13♠♦A=+0
-1.8Round 3🇺🇸 USA1103♦♣A+1-10
-2.1Round 2🇩🇪 GERMANY226♥♠T-1-15
-2.2Round 18🇮🇪 IRELAND284♠♥Q+1+0
-2.3Round 12🇯🇵 JAPAN277♣♠5=+2
-2.3Round 19🇩🇰 DENMARK84♥♣2=-7
-2.5Round 18🇮🇪 IRELAND161NT♥4-1-5
-2.6Round 7🇦🇺 AUSTRALIA23♠♥2-3+3
-2.6Round 12🇯🇵 JAPAN224♥♣J-1-10
-2.7Round 7🇦🇺 AUSTRALIA131NT♦6-3-8
-2.7Round 19🇩🇰 DENMARK73♠♣2=-7
-2.9Round 2🇩🇪 GERMANY274♠♦Q=+0
-2.9Round 13🇸🇬 SINGAPORE96NT♠6+1-11
-3.0Round 2🇩🇪 GERMANY202♠♣Q=+0
-3.1Round 19🇩🇰 DENMARK14♠♥Q+2-1
-3.1Round 19🇩🇰 DENMARK125♦x♠K-2-2
-3.2Round 3🇺🇸 USA142♥♠A-1-5
-3.3Round 3🇺🇸 USA183NT♦5+2-1
-3.6Round 18🇮🇪 IRELAND243♥♣3+1+6
-3.7Round 12🇯🇵 JAPAN253NT♦3=-10
-3.8Round 3🇺🇸 USA1136NT♥9-1-17
-3.9Round 13🇸🇬 SINGAPORE123NT♦K-3-10
-4.0Round 9🇮🇳 INDIA123NT♦5+3-1
-4.1Round 7🇦🇺 AUSTRALIA92♠♥J=+0
-4.1Round 19🇩🇰 DENMARK91NT♦4-3-6
-4.3Round 7🇦🇺 AUSTRALIA124♠♥A-1-6
-4.4Round 19🇩🇰 DENMARK53NT♠5-1-6
-4.9Round 9🇮🇳 INDIA43♥♠J-1-6
-5.1Round 7🇦🇺 AUSTRALIA72NT♥5=-11
-5.1Round 13🇸🇬 SINGAPORE33NT♠2-1-10
-5.6Round 18🇮🇪 IRELAND274♠♥J-1-4
-5.8Round 12🇯🇵 JAPAN166♦♥9+1-11
-6.3Round 13🇸🇬 SINGAPORE64♠♣A-2-6
-6.7Round 18🇮🇪 IRELAND214♥♦K=+0
-7.4Round 3🇺🇸 USA174♠♥Q=-10
-7.5Round 19🇩🇰 DENMARK132♦x♦J-2+3
-8.0Round 19🇩🇰 DENMARK32♠x♦A-3-8
-8.6Round 3🇺🇸 USA154♠x♣T-1-8
-8.7Round 3🇺🇸 USA163NTx♦6-2-10
-8.9Round 3🇺🇸 USA124♠♥A-5-11
-8.9Round 7🇦🇺 AUSTRALIA54♥♠8=-11
-9.5Round 9🇮🇳 INDIA65♠♣T-1-13
-9.8Round 2🇩🇪 GERMANY156♠♦4+1+13
-10.4Round 3🇺🇸 USA1124♠♥A-1-16