ZHU Aiping · YUNNAN

187rank
+10.0Butler · 56 bds
+0.18per board
±4.9swing
-0.82vs par /bd · #278/399
+0.26adjusted /bd
Butler per round: -10 5.9 10.7 19.9 -5.7 4.8 -2.9 -12.7by round

vs par split: bidding -0.62 · play -0.20

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.26/bd

Card play — on target: opening leads 71.4% #298 of 398 · declarer play 57.1% #331 of 398 · defence 88.0% #148 of 399

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (6)75.0% (8)
Declarer play50.0% (6)60.0% (15)
Defence100.0% (10)80.0% (15)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 75.0% (4) · ♦ 66.7% (3) · ♣ 75.0% (4)

vs par by strain: NT -0.89 (18) · a suit -0.79 (38)

vs par by level: part-score +0.89 (18) · game -1.16 (32) · slam -4.17 (6)

By role: declaring +0.59/bd (-2.06 vs par · 31) · defending -0.34/bd (+0.72 vs par · 25)

By vulnerability: vulnerable +1.67/bd (+0.11 vs par · 28) · not vulnerable -1.31/bd (-1.75 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.YuQ.Cheng – Y.HouClosed7-10.0-1.43-2.71
Round 2D.YuS.Gui – L.WangOpen7+5.9+0.84+1.29
Round 3D.YuZ.Li – SHEN (1) QiClosed7+10.7+1.53+2.29
Round 4D.YuG.Hingle – C.ChildClosed7+19.9+2.84+1.57
Round 5D.YuP.Cronier – C.D'OvidioOpen7-5.7-0.81-1.29
Round 6D.YuA.Sontag – R.TaylorOpen7+4.8+0.69-1.29
Round 7D.YuJ.Diamond – J.WolpertClosed7-2.9-0.41-2.43
Round 8D.YuS.Qi – S.WuClosed7-12.7-1.81-4.00

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
+12.3Round 4ROSSLEE236♥♦9=+0
+9.0Round 7DIAMOND214♠♥A+1+11
+8.4Round 5PZIM12♠♥4-2+12
+8.3Round 4ROSSLEE264♠♣K=-1
+7.0Round 6TAYLOR143NT♠Q=+3
+6.7Round 3GZ. ZHAOHENG2183NT♥10-2+11
+6.6Round 6TAYLOR126♥♠4=+1
+5.2Round 2GEELY AUTOMOBILE124♠♣3=+3
+5.2Round 4ROSSLEE282♠♦K=+6
+4.7Round 8GZ. ZHAOHENG1221NTx♦7-1+3
+4.2Round 2GEELY AUTOMOBILE146♦♣K-1+11
+4.1Round 8GZ. ZHAOHENG1263♥♦Q-1+0
+4.0Round 3GZ. ZHAOHENG2154♥♣A=+8
+3.0Round 2GEELY AUTOMOBILE112♦♦2+2+0
+2.8Round 3GZ. ZHAOHENG2162♦♠3=+2
+2.8Round 4ROSSLEE223NT♠4+2+13
+2.8Round 7DIAMOND203♠♦J-1+5
+2.3Round 2GEELY AUTOMOBILE103NT♥J=+0
+1.7Round 8GZ. ZHAOHENG1233♠♣A-1-9
+1.5Round 5PZIM64♠♦A=-1
+1.4Round 2GEELY AUTOMOBILE92♠♣3+1+7
+1.3Round 1BARR74♥♦J=-1
+1.2Round 7DIAMOND153♣♥7+2+2
+0.5Round 1BARR52NT♠Q-1+4
+0.1Round 4ROSSLEE253NT♠4=+0
+0.1Round 6TAYLOR104♥♠3=-1
-0.1Round 3GZ. ZHAOHENG2194♥♣2+1+0
-0.3Round 2GEELY AUTOMOBILE133NT♠3=+0
-0.3Round 6TAYLOR94♥♣10+1+0
-0.3Round 7DIAMOND164♥♠5-2+1
-0.4Round 1BARR41NT♣9=-11
-0.4Round 3GZ. ZHAOHENG2203NT♠8+1+1
-0.4Round 5PZIM52♠♣2+1+0
-0.9Round 6TAYLOR132♥♦3-2+9
-1.0Round 3GZ. ZHAOHENG2214♠♥10+1+0
-1.1Round 5PZIM24♥♠J+2-1
-1.3Round 3GZ. ZHAOHENG2173NT♣A-2-6
-1.7Round 1BARR24♥♠5+3-2
-1.8Round 5PZIM32♠♣2+1-7
-1.8Round 8GZ. ZHAOHENG1283♥♠2-1-3
-1.9Round 1BARR63NT♠A-1-5
-2.0Round 1BARR33NT♥2=-3
-2.2Round 8GZ. ZHAOHENG1243NT♦10+2+0
-2.8Round 4ROSSLEE243NT♠3+2+0
-2.8Round 5PZIM71NT♥4=+1
-2.9Round 7DIAMOND193♠♠2-2-5
-3.4Round 6TAYLOR114♥♠6+3-10
-4.2Round 7DIAMOND185♦♣10+2-17
-4.3Round 6TAYLOR86♥♣6-3-11
-4.6Round 8GZ. ZHAOHENG1274♠♦K-1-5
-5.8Round 1BARR14♥♣8+1-1
-6.0Round 4ROSSLEE274♥♦8-4-7
-8.5Round 7DIAMOND173NT♠Q-1-14
-9.5Round 5PZIM43NT♠2-1-13
-9.9Round 2GEELY AUTOMOBILE86♥x♦10=-12
-14.6Round 8GZ. ZHAOHENG1256♣♠A=-14