🇸🇬 TOH Zhen Huai · SINGAPORE

89rank
-24.0Butler · 240 bds
-0.10per board
±4.8swing
+0.09vs par /bd · #64/138
-0.14adjusted /bd
Butler per round: -29.2 -15.3 44.4 -42.1 22.3 4.1 3.3 3.4 -15.1 -9.4 16.2 10 -28.4 4.5 7.3by round

vs par split: bidding +0.18 · play -0.08

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.14/bd

Card play — on target: opening leads 77.4% #105 of 138 · declarer play 72.6% #87 of 138 · defence 82.1% #100 of 138

Card play by contract type — on target
vs NTvs a suit
Opening leads68.8% (16)80.4% (46)
Declarer play74.1% (27)71.7% (46)
Defence77.1% (35)84.4% (77)

Opening leads by suit led: ♠ 100.0% (13) · ♥ 81.8% (11) · ♦ 65.2% (23) · ♣ 73.3% (15)

vs par by strain: NT +0.42 (78) · a suit -0.06 (160)

vs par by level: part-score +0.44 (75) · game +0.23 (144) · slam -2.26 (19)

By role: declaring -0.15/bd (-2.05 vs par · 128) · defending -0.04/bd (+2.54 vs par · 112)

By vulnerability: vulnerable +0.49/bd (+0.87 vs par · 120) · not vulnerable -0.69/bd (-0.68 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.KhoB.Marina – A.BobocOpen16-29.2-1.82-0.56
Round 2J.KhoL.Cima – B.DessiOpen16-15.3-0.96-0.06
Round 5J.KhoN.Sebti – A.TaziOpen16+44.4+2.77+4.00
Round 6J.KhoB.Satyanarayana – K.NadarOpen16-42.1-2.63-5.12
Round 7J.KhoM.Mayorga – P.PejacsevichOpen16+22.3+1.39+1.75
Round 9J.KhoS.Weinstein – J.WolpertOpen16+4.1+0.26+1.31
Round 10J.KhoD.Bernal – J.BarreraClosed16+3.3+0.21+0.19
Round 12J.KhoM.Dabrowski – G.BrewiakClosed16+3.4+0.21+1.31
Round 13J.KhoD.Von Arnim – H.HaeuslerClosed16-15.1-0.94-2.06
Round 14J.KhoB.Jones – J.MillingtonOpen16-9.4-0.59-1.50
Round 16J.KhoJ.Thompson – C.HammansClosed16+16.2+1.01+2.62
Round 17J.KhoY.Chen – Z.HuClosed16+10.0+0.62+2.56
Round 19J.KhoA.Labaere – V.Carcassonne-LabaereClosed16-28.4-1.77-2.69
Round 21J.KhoF.Mandili – M.HeshmatOpen16+4.5+0.28-1.56
Round 23J.KhoL.Thuillez – V.ReessOpen16+7.3+0.46+1.19

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
+14.3Round 5🇲🇦 MOROCCO131NTx♣4-4+14
+12.3Round 16🇧🇧 BARBADOS323♠♦K-1+12
+11.6Round 23🇫🇷 FRANCE214♠♠3=+13
+11.3Round 21🇪🇬 EGYPT323♣♠6-1+12
+11.2Round 5🇲🇦 MOROCCO156♣♣6=+0
+10.4Round 7🇦🇷 ARGENTINA123NT♦J-2+11
+10.1Round 5🇲🇦 MOROCCO104♥♦J-1+12
+9.7Round 5🇲🇦 MOROCCO166♥♣K-3+15
+9.7Round 14🇳🇿 NEW ZEALAND213NT♠7=+11
+9.5Round 12🇵🇱 POLAND324♠x♠A=+4
+9.3Round 7🇦🇷 ARGENTINA154♥♠4=+13
+8.5Round 17🇨🇦 CANADA26NT♠9=+0
+8.2Round 17🇨🇦 CANADA56NT♦J-2+14
+8.1Round 21🇪🇬 EGYPT213NT♣7-3+11
+7.8Round 10🇨🇴 COLOMBIA263NT♥K=+10
+7.7Round 12🇵🇱 POLAND294♠x♣A-1+7
+7.6Round 9🇺🇸 USA155♥♠9+2+14
+7.3Round 23🇫🇷 FRANCE185♥x♣K-2+13
+7.1Round 23🇫🇷 FRANCE224♠♠2=+0
+7.0Round 10🇨🇴 COLOMBIA324♠♥K=+0
+6.3Round 7🇦🇷 ARGENTINA101NT♠10-3+9
+6.0Round 9🇺🇸 USA144♠♥8-2+8
+5.8Round 12🇵🇱 POLAND283NT♦7+1+10
+5.7Round 16🇧🇧 BARBADOS263NT♦4-1+6
+5.6Round 9🇺🇸 USA1124♥x♦10-3+12
+5.5Round 13🇩🇪 GERMANY13NT♥4=+3
+5.4Round 17🇨🇦 CANADA153NT♣7=+10
+5.2Round 2🇮🇹 ITALY183NT♣4-3+7
+5.1Round 7🇦🇷 ARGENTINA114♥♠10=-1
+5.1Round 21🇪🇬 EGYPT312♠♣6+3+6
+5.0Round 6🇮🇳 INDIA292♠♣8=+6
+4.8Round 1🇷🇴 ROMANIA114♥♠7+1+1
+4.7Round 7🇦🇷 ARGENTINA141NT♠6=+5
+4.7Round 9🇺🇸 USA124♠♣2=+0
+4.7Round 16🇧🇧 BARBADOS252♥♠2-1+6
+4.7Round 17🇨🇦 CANADA44♠♠8=+0
+4.5Round 10🇨🇴 COLOMBIA204♥♠K+1+13
+4.5Round 19🇧🇪 BELGIUM154♥♦A-1+5
+4.3Round 10🇨🇴 COLOMBIA244♥♣10-1+4
+4.3Round 16🇧🇧 BARBADOS283♥♦5-2+6
+4.2Round 14🇳🇿 NEW ZEALAND264♥♣Q-1-1
+4.0Round 9🇺🇸 USA171NTx♣7-1+3
+4.0Round 14🇳🇿 NEW ZEALAND292♠♥Q-1+5
+4.0Round 16🇧🇧 BARBADOS184♠♦Q-2+6
+4.0Round 19🇧🇪 BELGIUM14♠♥8+1+1
+4.0Round 19🇧🇪 BELGIUM26♣♦2=+0
+3.9Round 2🇮🇹 ITALY303NT♦3=+6
+3.8Round 6🇮🇳 INDIA224♠♥5-1+13
+3.8Round 17🇨🇦 CANADA103♣♦6+1+1
+3.7Round 5🇲🇦 MOROCCO34♠♥5+2+13
+3.6Round 23🇫🇷 FRANCE294♠♥Q+2+13
+3.5Round 16🇧🇧 BARBADOS175♦♥10+1+11
+3.5Round 21🇪🇬 EGYPT236NT♣J=-13
+3.3Round 23🇫🇷 FRANCE314♥♠7+2+11
+3.2Round 10🇨🇴 COLOMBIA273♥♠5+2-3
+2.8Round 21🇪🇬 EGYPT223NT♠9-1+12
+2.7Round 7🇦🇷 ARGENTINA24♥♣J+3+14
+2.5Round 1🇷🇴 ROMANIA143NT♥2+1+7
+2.5Round 5🇲🇦 MOROCCO22♠♥6=-5
+2.4Round 12🇵🇱 POLAND183NT♠K-2+0
+2.4Round 13🇩🇪 GERMANY53♦♣A=+6
+2.4Round 16🇧🇧 BARBADOS193♦♥4+1+1
+2.3Round 5🇲🇦 MOROCCO54♠♦J+2+1
+2.1Round 1🇷🇴 ROMANIA153♦♣6=+0
+2.1Round 21🇪🇬 EGYPT274♠♥A=+0
+2.0Round 9🇺🇸 USA1113NT♠Q+2+0
+1.9Round 10🇨🇴 COLOMBIA251NT♥J+1+1
+1.9Round 23🇫🇷 FRANCE271NT♥7-2+7
+1.9Round 23🇫🇷 FRANCE303NT♥6+2+2
+1.8Round 1🇷🇴 ROMANIA22♠♣8=+7
+1.8Round 7🇦🇷 ARGENTINA31NT♣6+1+5
+1.8Round 17🇨🇦 CANADA135♣x♥3-1+8
+1.7Round 1🇷🇴 ROMANIA42NT♠10=+0
+1.7Round 1🇷🇴 ROMANIA163NT♠8=+13
+1.7Round 9🇺🇸 USA1104♣♠J=+1
+1.7Round 13🇩🇪 GERMANY83NT♦2+3-14
+1.7Round 14🇳🇿 NEW ZEALAND271NT♠K-2+5
+1.7Round 14🇳🇿 NEW ZEALAND281NT♠5=-2
+1.6Round 14🇳🇿 NEW ZEALAND244♥♦5-3-4
+1.6Round 16🇧🇧 BARBADOS313NT♠3+3+1
+1.4Round 7🇦🇷 ARGENTINA64♥♠2+1+0
+1.4Round 7🇦🇷 ARGENTINA81NT♥5-3+0
+1.4Round 12🇵🇱 POLAND194♠♥K+1+1
+1.4Round 12🇵🇱 POLAND312♠♣3+2+6
+1.3Round 2🇮🇹 ITALY262♦♥K=-1
+1.3Round 5🇲🇦 MOROCCO41NT♦A=+0
+1.3Round 10🇨🇴 COLOMBIA312♦♥5=-1
+1.3Round 13🇩🇪 GERMANY145♥♠Q=-10
+1.2Round 2🇮🇹 ITALY172♥♠K+2+1
+1.2Round 13🇩🇪 GERMANY103NT♠5+2+2
+1.1Round 2🇮🇹 ITALY232♦♠9+1+6
+1.0Round 1🇷🇴 ROMANIA103NT♣2+2+1
+0.9Round 6🇮🇳 INDIA274♥♦10+1+0
+0.9Round 14🇳🇿 NEW ZEALAND324♠♣A+1+0
+0.9Round 17🇨🇦 CANADA92♥♦K-2+1
+0.9Round 21🇪🇬 EGYPT263NT♥7+1+1
+0.8Round 7🇦🇷 ARGENTINA73NT♠7=+0
+0.8Round 9🇺🇸 USA134♠♣7-3+5
+0.8Round 10🇨🇴 COLOMBIA284♥♦5-1-2
+0.8Round 12🇵🇱 POLAND253♦♥Q=+0
+0.7Round 2🇮🇹 ITALY224♥♠3=+0
+0.7Round 2🇮🇹 ITALY245♦♠J=-1
+0.7Round 9🇺🇸 USA16Pass+3
+0.6Round 6🇮🇳 INDIA243NT♦9+1+0
+0.6Round 10🇨🇴 COLOMBIA175♣♠2=+1
+0.6Round 21🇪🇬 EGYPT193♥♣A+1-6
+0.6Round 23🇫🇷 FRANCE322♠♣Q+2-6
+0.5Round 2🇮🇹 ITALY193NT♦6+1+0
+0.5Round 13🇩🇪 GERMANY155♣♠A+1+2
+0.4Round 5🇲🇦 MOROCCO94♠♦10=+1
+0.4Round 6🇮🇳 INDIA323NT♣3+2-11
+0.4Round 23🇫🇷 FRANCE172♥♣2+1+0
+0.3Round 1🇷🇴 ROMANIA133NT♥Q-1-5
+0.3Round 5🇲🇦 MOROCCO74♥♣10=+1
+0.3Round 16🇧🇧 BARBADOS271NT♣2=+0
+0.3Round 19🇧🇪 BELGIUM104♠♠3+1+0
+0.2Round 2🇮🇹 ITALY272♦♠J+1-1
+0.2Round 7🇦🇷 ARGENTINA54♥♣Q=-13
+0.2Round 9🇺🇸 USA191NT♠7+1+0
+0.2Round 10🇨🇴 COLOMBIA222♠♠4=+0
+0.2Round 17🇨🇦 CANADA12♠♥A=+0
+0.1Round 12🇵🇱 POLAND174♠♥J=+1
+0.1Round 14🇳🇿 NEW ZEALAND184♥♣10-2+5
+0.1Round 14🇳🇿 NEW ZEALAND221♥♦3+5-4
+0.0Round 10🇨🇴 COLOMBIA234♥♦J=-3
+0.0Round 13🇩🇪 GERMANY91NT♥5-3+4
+0.0Round 17🇨🇦 CANADA124♥♠10+1+0
+0.0Round 19🇧🇪 BELGIUM64♠♦K+1+0
-0.1Round 13🇩🇪 GERMANY132♦♥J-1+1
-0.1Round 14🇳🇿 NEW ZEALAND202♣♠K+1+0
-0.2Round 6🇮🇳 INDIA284♥♦A=+0
-0.2Round 17🇨🇦 CANADA66♥♠4+1+13
-0.2Round 23🇫🇷 FRANCE193NT♠4+2+0
-0.3Round 5🇲🇦 MOROCCO143♠♥A-1+13
-0.3Round 19🇧🇪 BELGIUM84♠♦10=-1
-0.4Round 5🇲🇦 MOROCCO14♥♣J+1+11
-0.4Round 6🇮🇳 INDIA253♦♦5-1-4
-0.4Round 12🇵🇱 POLAND273NT♦7=+0
-0.7Round 1🇷🇴 ROMANIA92NT♠4-1-5
-0.7Round 6🇮🇳 INDIA193NT♥2+2-10
-0.8Round 16🇧🇧 BARBADOS205♥♦K+1-1
-0.9Round 16🇧🇧 BARBADOS212♠♥Q=+1
-0.9Round 19🇧🇪 BELGIUM144♥♦J=-3
-1.0Round 5🇲🇦 MOROCCO64♠♥5=-11
-1.0Round 7🇦🇷 ARGENTINA93♥♠J-1-5
-1.0Round 13🇩🇪 GERMANY43NT♠3=+0
-1.0Round 16🇧🇧 BARBADOS241♠♣7+2+0
-1.0Round 19🇧🇪 BELGIUM53♠♥J-1-6
-1.1Round 9🇺🇸 USA1143NT♠10-1-5
-1.1Round 19🇧🇪 BELGIUM42NT♠3+1+7
-1.2Round 2🇮🇹 ITALY254♥♦9+1+0
-1.2Round 2🇮🇹 ITALY314NT♥10+1+0
-1.2Round 23🇫🇷 FRANCE232♥♦4+1+0
-1.3Round 2🇮🇹 ITALY203♠♠2=+0
-1.3Round 2🇮🇹 ITALY293NT♦3=+1
-1.3Round 13🇩🇪 GERMANY123NT♣4+2-1
-1.3Round 21🇪🇬 EGYPT183NT♣6=+0
-1.5Round 12🇵🇱 POLAND214♠♥4+1+0
-1.5Round 14🇳🇿 NEW ZEALAND255♦♦5+1-11
-1.5Round 19🇧🇪 BELGIUM94♥♦6=+0
-1.6Round 5🇲🇦 MOROCCO83♠♥5=+0
-1.6Round 21🇪🇬 EGYPT303NT♥5-2-5
-1.7Round 10🇨🇴 COLOMBIA294♥♣A+1+0
-1.9Round 12🇵🇱 POLAND223NT♣6-1-5
-1.9Round 16🇧🇧 BARBADOS223♠♣6=-7
-2.1Round 13🇩🇪 GERMANY23♥♦A-1-11
-2.1Round 13🇩🇪 GERMANY6Pass-4
-2.2Round 5🇲🇦 MOROCCO123NT♥2=+0
-2.2Round 7🇦🇷 ARGENTINA44♠♦8+1+0
-2.2Round 12🇵🇱 POLAND233♠♥8+1+10
-2.3Round 21🇪🇬 EGYPT201NT♦6-3-8
-2.4Round 17🇨🇦 CANADA144♥♦A-3-2
-2.6Round 2🇮🇹 ITALY324♠♥10+1+0
-2.6Round 17🇨🇦 CANADA82♥♦K+2-1
-2.7Round 13🇩🇪 GERMANY113♦♦4+2-1
-2.7Round 17🇨🇦 CANADA73♠♦6-2+2
-2.8Round 21🇪🇬 EGYPT175♥♦2=-11
-3.0Round 6🇮🇳 INDIA312♠♦J-1-11
-3.0Round 16🇧🇧 BARBADOS234♠♥Q-1+11
-3.0Round 23🇫🇷 FRANCE244♠♥A-2+0
-3.1Round 12🇵🇱 POLAND205♣♦A=+1
-3.1Round 12🇵🇱 POLAND262♠♥K=+0
-3.1Round 17🇨🇦 CANADA32♦♠4=+2
-3.1Round 23🇫🇷 FRANCE202♦♣J-2-2
-3.2Round 9🇺🇸 USA1154♥♣4=+0
-3.3Round 19🇧🇪 BELGIUM33NT♠2-1-10
-3.4Round 6🇮🇳 INDIA303NT♥4+2-1
-3.6Round 13🇩🇪 GERMANY33NT♠3+4+12
-3.7Round 19🇧🇪 BELGIUM116♥x♦K-1-5
-3.7Round 19🇧🇪 BELGIUM163NT♠Q=-7
-3.8Round 6🇮🇳 INDIA183NT♦J+1+0
-3.9Round 1🇷🇴 ROMANIA123NT♥2-1-6
-3.9Round 7🇦🇷 ARGENTINA15♥♣A+1-11
-4.0Round 16🇧🇧 BARBADOS293NT♦9=-10
-4.1Round 21🇪🇬 EGYPT294♠♦3-1-6
-4.2Round 1🇷🇴 ROMANIA13NT♦5+2-2
-4.3Round 6🇮🇳 INDIA233NT♠4-1-12
-4.3Round 10🇨🇴 COLOMBIA186♣♠A=+2
-4.4Round 12🇵🇱 POLAND244♥♠9-1-5
-4.4Round 23🇫🇷 FRANCE286♥♦A-1-12
-4.5Round 14🇳🇿 NEW ZEALAND233NT♥10=+1
-4.6Round 14🇳🇿 NEW ZEALAND191♦♣4+4-7
-4.8Round 17🇨🇦 CANADA165♠♣3=+4
-5.0Round 14🇳🇿 NEW ZEALAND172NT♦5=-8
-5.3Round 9🇺🇸 USA1133NT♥Q+1+0
-5.6Round 13🇩🇪 GERMANY74♠♥6-1-12
-5.6Round 21🇪🇬 EGYPT283NT♦2-1-12
-5.7Round 1🇷🇴 ROMANIA31NT♦6+1-1
-5.7Round 19🇧🇪 BELGIUM122♠♥3-2-13
-5.7Round 21🇪🇬 EGYPT243NT♠10=-7
-5.8Round 7🇦🇷 ARGENTINA133NT♣3+1+0
-5.9Round 5🇲🇦 MOROCCO113♠♦K+1-1
-6.3Round 6🇮🇳 INDIA203♦♣K-1-12
-6.3Round 9🇺🇸 USA1164♣♠2=-7
-6.4Round 10🇨🇴 COLOMBIA306♠♣6=+0
-6.5Round 21🇪🇬 EGYPT255♣♦7=+1
-6.6Round 9🇺🇸 USA115♠x♥A-3-5
-6.7Round 1🇷🇴 ROMANIA65♣♥10=-7
-6.7Round 9🇺🇸 USA184♠♣A-1-8
-6.9Round 1🇷🇴 ROMANIA56♦♠K-1-5
-7.3Round 1🇷🇴 ROMANIA75♦♣4-1-7
-7.7Round 17🇨🇦 CANADA117♣♣2-1-11
-7.8Round 10🇨🇴 COLOMBIA194♠♦K=-10
-8.0Round 14🇳🇿 NEW ZEALAND314♠♣4=-7
-8.1Round 10🇨🇴 COLOMBIA213NT♣J-3-9
-8.5Round 6🇮🇳 INDIA214♠♦10-1-17
-8.5Round 23🇫🇷 FRANCE264♥♦K-1-7
-8.9Round 7🇦🇷 ARGENTINA163NT♠9=+1
-9.1Round 12🇵🇱 POLAND304♠x♥9-3-9
-9.2Round 13🇩🇪 GERMANY164♠♥7-1-10
-9.7Round 1🇷🇴 ROMANIA87♥♠7=+0
-9.7Round 14🇳🇿 NEW ZEALAND304♠x♣A-4-7
-9.8Round 19🇧🇪 BELGIUM76♠♥K=+0
-10.0Round 23🇫🇷 FRANCE254♥♦7+1-13
-10.1Round 2🇮🇹 ITALY284♠♥A-2-2
-10.2Round 19🇧🇪 BELGIUM133NT♥9+1-11
-10.5Round 6🇮🇳 INDIA176♠♣J-2-11
-11.0Round 16🇧🇧 BARBADOS306♥♦10+1-1
-11.7Round 6🇮🇳 INDIA266♦♦2-1-12
-12.4Round 2🇮🇹 ITALY217♠♣K-1-17