🇨🇳 QIU Shi · CHINA1

33rank
+30.6Butler · 112 bds
+0.27per board
±5.5swing
-0.29vs par /bd · #53/75
+0.19adjusted /bd
Butler per round: 7.8 4.9 53.7 -6.6 -15.3 23.7 -20.1 -17.5by round

vs par split: bidding -0.89 · play +0.63

Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted +0.19/bd

Card play — on target: opening leads 68.0% #68 of 75 · declarer play 78.4% #19 of 75 · defence 86.3% #23 of 75

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (8)76.5% (17)
Declarer play63.6% (11)84.6% (26)
Defence82.4% (17)88.2% (34)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 70.0% (10) · ♦ 60.0% (5) · ♣ 66.7% (3)

vs par by strain: NT +1.03 (30) · a suit -0.74 (81)

vs par by level: part-score +0.58 (48) · game -0.61 (57) · slam -3.67 (6)

By role: declaring +1.03/bd (-1.10 vs par · 60) · defending -0.60/bd (+0.65 vs par · 52)

By vulnerability: vulnerable +1.22/bd (+0.30 vs par · 56) · not vulnerable -0.68/bd (-0.88 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.YuX.Ruan – Y.ChenClosed14+7.8+0.56-2.71
Round 3H.YuN.Khutorsky – G.MatatyahouOpen14+4.9+0.35-1.07
Round 4H.YuM.Lenhardt – S.RozsaClosed14+53.7+3.84+4.07
Round 6H.YuP.Volhejn – A.ProchazkaOpen14-6.6-0.47-0.36
Round 7H.YuR.Guth – H.RabourdinClosed14-15.3-1.09-1.07
Round 8H.YuO.Laufer – A.VassilevaClosed14+23.7+1.69+0.79
Round 10H.YuO.Selby – H.MaddenClosed14-20.1-1.44-1.50
Round 12H.YuD.Goudzwaard – R.GoorClosed14-17.5-1.25-0.43

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
+14.0Round 8🇨🇦 CANADA105♠x♥A-5+1
+13.0Round 4🇭🇺 HUNGARY12NTx♣K-4+12
+12.7Round 4🇭🇺 HUNGARY132♥x♥A=+15
+12.5Round 8🇨🇦 CANADA135♥x♣K=+8
+11.1Round 4🇭🇺 HUNGARY33NT♣2-1+13
+9.5Round 1🇨🇳 CHINA296♠x♦K-1+11
+8.3Round 12🇳🇱 NETHERLANDS203NT♥2=+0
+7.9Round 1🇨🇳 CHINA274♠♦A=+9
+7.6Round 1🇨🇳 CHINA246♦♦6+1-13
+7.4Round 4🇭🇺 HUNGARY54♠♥A=+3
+7.2Round 4🇭🇺 HUNGARY142♣♥2+1+9
+7.1Round 3🇮🇱 ISRAEL43NT♦7-2+8
+6.9Round 8🇨🇦 CANADA33NT♥4=+7
+6.6Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND254NT♠5+2+14
+6.5Round 3🇮🇱 ISRAEL74♠♣5=+9
+6.2Round 6🇨🇿 CZECH REPUBLIC94♠♣K+1+4
+5.8Round 7🇫🇷 FRANCE224♠♥2+3+14
+5.5Round 1🇨🇳 CHINA233NT♣Q+2+1
+5.5Round 3🇮🇱 ISRAEL113♥♦3+1+7
+5.4Round 7🇫🇷 FRANCE253♦♥10=+0
+4.8Round 4🇭🇺 HUNGARY43♥♦10-2+3
+4.8Round 6🇨🇿 CZECH REPUBLIC13♣♠5=+8
+4.8Round 7🇫🇷 FRANCE154♠x♦7-2+2
+4.4Round 4🇭🇺 HUNGARY121NT♦6=+6
+4.3Round 1🇨🇳 CHINA262♥♦6+1-8
+4.3Round 8🇨🇦 CANADA14♥x♥K-1+6
+4.0Round 4🇭🇺 HUNGARY62♣♠A+1+5
+4.0Round 6🇨🇿 CZECH REPUBLIC25♣♠K=+0
+3.7Round 12🇳🇱 NETHERLANDS223♣♠J=+6
+3.5Round 6🇨🇿 CZECH REPUBLIC132♠♣9+2+10
+3.4Round 6🇨🇿 CZECH REPUBLIC43NT♥10-3+4
+3.4Round 7🇫🇷 FRANCE274♠♥4-1+5
+3.0Round 6🇨🇿 CZECH REPUBLIC112NT♥3=-1
+2.8Round 1🇨🇳 CHINA2113♥♠5-1+5
+2.8Round 3🇮🇱 ISRAEL14♥♠Q+2-10
+2.8Round 3🇮🇱 ISRAEL33♦x♦5-1+6
+2.8Round 4🇭🇺 HUNGARY104♥♦9+1+1
+2.5Round 7🇫🇷 FRANCE193NT♦A-1+4
+2.5Round 12🇳🇱 NETHERLANDS193NT♠6-3+2
+2.1Round 8🇨🇦 CANADA91NT♦3+2+1
+2.1Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184♠♥Q-1+6
+2.0Round 3🇮🇱 ISRAEL132♥♦5=-1
+1.8Round 1🇨🇳 CHINA283♠♣A=-4
+1.8Round 6🇨🇿 CZECH REPUBLIC145♦♥8=-1
+1.7Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND283NT♠2+2+1
+1.7Round 12🇳🇱 NETHERLANDS283NT♥5=-1
+1.5Round 7🇫🇷 FRANCE214♠♦Q=-9
+1.0Round 3🇮🇱 ISRAEL63♦♣5+1+1
+0.9Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND163♣♠6-2-2
+0.8Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND202♠♦K-3+7
+0.7Round 12🇳🇱 NETHERLANDS251NT♠A=-1
+0.5Round 12🇳🇱 NETHERLANDS181NT♠3+1+0
+0.4Round 4🇭🇺 HUNGARY92♥♦10=+0
+0.3Round 1🇨🇳 CHINA2103♥♦J=+1
+0.1Round 4🇭🇺 HUNGARY73♠♥2-3+8
+0.0Round 8🇨🇦 CANADA143♠♥A+1+2
-0.0Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223NT♦Q-2-8
-0.2Round 1🇨🇳 CHINA2133♥♦8+1-1
-0.2Round 8🇨🇦 CANADA53♦♠7=+0
-0.2Round 8🇨🇦 CANADA61NT♥5=+11
-0.2Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND211NT♠Q+1+0
-0.2Round 12🇳🇱 NETHERLANDS214♥♠5-3+0
-0.4Round 3🇮🇱 ISRAEL102♠♦5=+0
-0.5Round 8🇨🇦 CANADA23♥♦2+1-4
-0.6Round 6🇨🇿 CZECH REPUBLIC74♥♣A-3-4
-0.8Round 12🇳🇱 NETHERLANDS244♠♥4=+1
-0.9Round 6🇨🇿 CZECH REPUBLIC124♠♣2+2-1
-0.9Round 12🇳🇱 NETHERLANDS271NT♠10=-1
-1.0Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND264♥♠Q=+0
-1.2Round 3🇮🇱 ISRAEL2Pass-3
-1.2Round 8🇨🇦 CANADA123NT♠A+1-1
-1.5Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND274♥♣7+1+0
-1.8Round 6🇨🇿 CZECH REPUBLIC53NT♠5+1+0
-1.8Round 7🇫🇷 FRANCE182♥♦Q+1+0
-1.9Round 7🇫🇷 FRANCE246♠♣6+1-11
-2.3Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243♥♣4=-1
-2.4Round 7🇫🇷 FRANCE264♥♣8=+1
-2.8Round 3🇮🇱 ISRAEL91NT♥5=-5
-2.8Round 8🇨🇦 CANADA45♣x♠A-2-4
-2.8Round 8🇨🇦 CANADA84♥♠3+1-1
-2.8Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND195♥♦4=-2
-3.0Round 4🇭🇺 HUNGARY23♣♦K-1-6
-3.2Round 3🇮🇱 ISRAEL52♥♠J-1-5
-3.2Round 8🇨🇦 CANADA73♠♦K=-10
-3.2Round 12🇳🇱 NETHERLANDS163♣♠K-1+1
-3.5Round 3🇮🇱 ISRAEL144♠♥J+1+0
-3.5Round 6🇨🇿 CZECH REPUBLIC85♣♣2+1-1
-3.6Round 7🇫🇷 FRANCE163♥♠4-2-3
-3.7Round 1🇨🇳 CHINA2123NT♥9=-10
-3.8Round 7🇫🇷 FRANCE173NT♥2=-3
-4.1Round 6🇨🇿 CZECH REPUBLIC32♠♠10=-5
-4.7Round 4🇭🇺 HUNGARY114♣♥A-2-5
-4.8Round 1🇨🇳 CHINA253♠♣A-1-5
-4.8Round 3🇮🇱 ISRAEL83NT♦6-2-11
-4.8Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153NT♥3=-10
-5.2Round 8🇨🇦 CANADA114♠x♣5-2-5
-5.4Round 12🇳🇱 NETHERLANDS173NT♥5=+0
-5.8Round 12🇳🇱 NETHERLANDS233NT♥7+2-1
-6.4Round 7🇫🇷 FRANCE287♣♥Q=+2
-6.4Round 12🇳🇱 NETHERLANDS264♠♥J-1-12
-6.5Round 4🇭🇺 HUNGARY83♠♥A-4-7
-6.6Round 1🇨🇳 CHINA214♥♦4+1-2
-6.9Round 3🇮🇱 ISRAEL125♣x♥K-4-11
-7.8Round 6🇨🇿 CZECH REPUBLIC64♥x♠Q-3-8
-8.0Round 7🇫🇷 FRANCE233♣♠8-1-6
-8.2Round 1🇨🇳 CHINA224♥x♠A=-10
-8.4Round 1🇨🇳 CHINA2144♥x♥5=-12
-9.7Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND232♠x♦10=-15
-9.9Round 10🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND176♠x♥A-4-11
-10.8Round 7🇫🇷 FRANCE204♠x♠A+2-11
-12.2Round 12🇳🇱 NETHERLANDS156♥♥6=+0
-14.6Round 6🇨🇿 CZECH REPUBLIC104♠x♥K+1-10