ZHANG Qing · LIANHUA

492rank
-24.1Butler · 110 bds
-0.22per board
±4.5swing
+0.02vs par /bd · #318/672
-0.66adjusted /bd
Butler per round: 0.5 -5.6 -6.6 -4.6 7.4 20.8 -9.4 -34.4 -14.3 22.6 -0.5by round

vs par split: bidding +0.22 · play -0.15

Strength of schedule: opponents averaged -0.44/bd (an easy draw) → opponent-adjusted -0.66/bd

Card play — on target: opening leads 71.4% #552 of 671 · declarer play 75.0% #413 of 671 · defence 83.8% #389 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·71.4% (21)
Declarer play·75.0% (24)
Defence·83.8% (37)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 60.0% (5) · ♦ 40.0% (5) · ♣ 100.0% (5)

vs par by strain: a suit +0.07 (81)

vs par by level: part-score +1.00 (39) · game -0.06 (35) · slam -4.43 (7)

By role: declaring +0.33/bd (-0.78 vs par · 55) · defending -0.77/bd (+0.82 vs par · 55)

By vulnerability: vulnerable -0.72/bd (-0.14 vs par · 56) · not vulnerable +0.30/bd (+0.18 vs par · 54)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.HuS.Wang – J.ShenOpen10+0.5+0.05-1.10
Round 2Y.HuM.Jacobus – L.O'RourkeOpen10-5.6-0.56+3.00
Round 3Y.HuM.Pisak – T.AlufOpen10-6.6-0.66-2.10
Round 5Y.HuG.Wei – CHEN J DClosed10-4.6-0.46+0.40
Round 6Y.HuY.Shi – T.ZhouOpen10+7.4+0.74+1.90
Round 7Y.HuS.Shan – Y.DuOpen10+20.8+2.08+3.10
Round 8Y.HuY.Mei – G.LeiClosed10-9.4-0.94-0.40
Round 9Y.HuS.Sugino – T.FujimotoOpen10-34.4-3.44-3.40
Round 10D.LuJ.Zhou – J.ShenOpen10-14.3-1.43-0.20
Round 12Y.HuW.Rauld – S.AsheClosed10+22.6+2.26+2.00
Round 13Y.HuA.Weber – A.DelorenzoOpen10-0.5-0.05-3.00

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
+12.8Round 12RAULD212♠x♦K=+13
+10.8Round 12RAULD235♦♣5+2+11
+10.2Round 1TIANJIN36♠x♣A-5+10
+8.8Round 10SH PANYU MIDDLE SCHOOL74♦x♠K-2+0
+8.8Round 13ANDREW14♠♠2-1+10
+8.2Round 7WEIYU JUNIOR MIDDLE SCHOOL94♦x♥3-3-5
+7.3Round 7WEIYU JUNIOR MIDDLE SCHOOL84♠♦4=+12
+7.1Round 3MANT284♥♣3+1+6
+6.7Round 1TIANJIN74♥♦5+1+0
+6.6Round 12RAULD284♠♦K=+5
+5.7Round 5SHAN FENG133N♠2+1+5
+5.6Round 8HUBEI YICHANG123N♦4-4+8
+5.3Round 6KOREA-CHINA216♥♣Q-1+11
+5.3Round 6KOREA-CHINA222N♥Q=+1
+4.7Round 7WEIYU JUNIOR MIDDLE SCHOOL55♠x♦Q-1+7
+4.7Round 12RAULD262♦♣9-2+8
+4.3Round 9NANIWADA214♠♣8=+5
+4.2Round 5SHAN FENG192♠♥3+1+6
+4.1Round 13ANDREW24♥♣2+1+0
+3.3Round 3MANT303N♣10=-6
+3.1Round 12RAULD274♥♦Q+1-5
+2.8Round 2O'ROURKE113N♥4-1+5
+2.4Round 8HUBEI YICHANG113♥x♦K-1+5
+2.3Round 5SHAN FENG184♠♣A-1+5
+2.0Round 6KOREA-CHINA264♠♦A+1+5
+1.9Round 2O'ROURKE143N♠3+4+17
+1.9Round 7WEIYU JUNIOR MIDDLE SCHOOL14♥♥A+2+1
+1.9Round 7WEIYU JUNIOR MIDDLE SCHOOL73♠♥6-1+6
+1.8Round 10SH PANYU MIDDLE SCHOOL102♠♣5+2+2
+1.5Round 9NANIWADA303♠♣K=+0
+1.4Round 1TIANJIN94N♥10+1+0
+1.2Round 1TIANJIN12♦♣K+2+8
+1.2Round 5SHAN FENG161N♥3=+2
+1.1Round 2O'ROURKE162♣♠9=-1
+1.0Round 3MANT252♥♦A-1+1
+1.0Round 6KOREA-CHINA283N♥10+1+1
+1.0Round 10SH PANYU MIDDLE SCHOOL42♥♥8-1+5
+1.0Round 13ANDREW103♥♦A-1+1
+0.9Round 2O'ROURKE194♦♣A=+0
+0.9Round 8HUBEI YICHANG152♥♦Q=-1
+0.8Round 2O'ROURKE174♣♠9=+8
+0.8Round 13ANDREW33N♥7+2+0
+0.7Round 9NANIWADA231N♥4=+1
+0.6Round 5SHAN FENG204♠♣A=-1
+0.5Round 5SHAN FENG113♣♠6-1-4
+0.5Round 9NANIWADA293♠♥Q-1+0
+0.3Round 10SH PANYU MIDDLE SCHOOL54♠♦9+2+11
+0.2Round 1TIANJIN103N♠Q+1-4
+0.2Round 6KOREA-CHINA274♥♥4-1+5
+0.2Round 7WEIYU JUNIOR MIDDLE SCHOOL43N♠8+1+1
+0.2Round 12RAULD253N♥5+1-5
+0.1Round 8HUBEI YICHANG162♠♥Q=-1
+0.1Round 13ANDREW53N♣2+1-12
+0.0Round 7WEIYU JUNIOR MIDDLE SCHOOL33♦♣5-2+9
-0.0Round 13ANDREW94♠♥4+1+0
-0.1Round 6KOREA-CHINA292♦♠6+2+0
-0.2Round 2O'ROURKE203N♥8+3+13
-0.2Round 10SH PANYU MIDDLE SCHOOL83♦♠3-1+4
-0.3Round 3MANT211N♣10+1-1
-0.3Round 6KOREA-CHINA231♣♦7+3+0
-0.4Round 13ANDREW74♠♣Q=+1
-0.5Round 3MANT233N♥8=+2
-0.5Round 3MANT295♦♥Q=+2
-0.6Round 3MANT242♥♦5=-1
-0.7Round 1TIANJIN61N♠9=+0
-0.7Round 7WEIYU JUNIOR MIDDLE SCHOOL102♥♣Q+1+0
-0.8Round 6KOREA-CHINA253♦♥A-1+3
-0.9Round 7WEIYU JUNIOR MIDDLE SCHOOL64♥♥6+1+0
-0.9Round 8HUBEI YICHANG134♠♥A+2-7
-0.9Round 9NANIWADA244♥♠6=+5
-1.0Round 8HUBEI YICHANG143♦♥3-2+0
-1.2Round 5SHAN FENG172♠♣3-1+2
-1.5Round 8HUBEI YICHANG173N♥9+1+5
-1.5Round 8HUBEI YICHANG182♠♦Q=+0
-1.8Round 1TIANJIN54♠♦A-1-5
-1.8Round 7WEIYU JUNIOR MIDDLE SCHOOL21N♠10+1+0
-1.8Round 10SH PANYU MIDDLE SCHOOL11N♠J-1+1
-2.0Round 10SH PANYU MIDDLE SCHOOL33♥♥6+2-2
-2.1Round 6KOREA-CHINA303N♦J-2-6
-2.4Round 2O'ROURKE154♥♠J+2-1
-2.7Round 3MANT273N♠Q-1-5
-3.1Round 6KOREA-CHINA243♥♦5-3-1
-3.2Round 2O'ROURKE183♠♦7=-1
-3.3Round 2O'ROURKE122♠♣5-2-2
-3.3Round 12RAULD243N♠7-1+3
-3.6Round 12RAULD225♣♥A-1-5
-3.6Round 13ANDREW44♠♥3=+1
-3.7Round 3MANT265♣♦A=-7
-3.8Round 8HUBEI YICHANG193♥♣3=-1
-4.0Round 2O'ROURKE134♥♣6-2-8
-4.1Round 12RAULD294♠♥Q-2-3
-4.2Round 9NANIWADA271♦x♥A=-7
-4.5Round 13ANDREW66♣♠6-1-14
-4.6Round 1TIANJIN42♠♥10=-6
-4.6Round 12RAULD302♥♦A+3-2
-4.9Round 5SHAN FENG141N♠Q+1-6
-5.2Round 10SH PANYU MIDDLE SCHOOL94♠♠9=-8
-5.4Round 1TIANJIN23N♣8=-7
-6.4Round 5SHAN FENG156♦♠J=+2
-6.6Round 5SHAN FENG123N♥6=-7
-6.6Round 10SH PANYU MIDDLE SCHOOL25♦x♦7=-4
-6.7Round 1TIANJIN83♥♦6-4-7
-6.8Round 13ANDREW86♠♠3-1-17
-7.1Round 9NANIWADA224♠♠2=-5
-9.0Round 9NANIWADA253N♥8=-10
-9.6Round 9NANIWADA284♠♦A-1-13
-9.7Round 3MANT226♣♦6-1-12
-9.7Round 8HUBEI YICHANG204♠♣7-1-12
-10.4Round 10SH PANYU MIDDLE SCHOOL66♠♣A-2-11
-10.6Round 9NANIWADA264♠♣8=-10