CAO Sheng · CHINA 2

136rank
-4.0Butler · 56 bds
-0.07per board
±4.7swing
+0.25vs par /bd · #59/196
+0.28adjusted /bd
Butler per round: 5.6 39.2 -40.5 -8.3by round

vs par split: bidding -0.14 · play +0.39

Strength of schedule: opponents averaged +0.35/bd (a tough draw) → opponent-adjusted +0.28/bd

Card play — on target: opening leads 70.6% #162 of 196 · declarer play 86.7% #26 of 196 · defence 90.0% #44 of 196

Bidding activity — not a pass: 45.6% #71 of 196 (77/169)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (6)81.8% (11)
Declarer play50.0% (2)92.3% (13)
Defence100.0% (12)83.3% (18)

Opening leads by suit led: ♠ 50.0% (4) · ♥ 100.0% (3) · ♦ 100.0% (3) · ♣ 57.1% (7)

vs par by strain: NT +0.81 (16) · a suit +0.03 (40)

vs par by level: part-score +1.00 (18) · game +0.91 (33) · slam -6.80 (5)

By role: declaring -0.42/bd (-2.27 vs par · 26) · defending +0.23/bd (+2.43 vs par · 30)

By vulnerability: vulnerable -0.17/bd (+0.46 vs par · 28) · not vulnerable +0.03/bd (+0.04 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2J.HeD.Neumann – M.Van Der VlugtOpen14+5.6+0.40+0.64
Round 4J.HeJ.Shi – J.WangOpen14+39.2+2.80+3.00
Round 6J.HeO.Rimstedt – M.RimstedtClosed14-40.5-2.89-2.21
Round 7J.HeJ.Kranyak – V.DemuyOpen14-8.3-0.59-0.43

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
+10.6Round 2POST PANDA265♦♣8-2+8
+9.8Round 4HOBRA264♠♣A=+13
+9.5Round 4HOBRA256♠♥6=+0
+6.6Round 4HOBRA223NT♥4-1+10
+6.6Round 4HOBRA241NT♦J+2+7
+6.5Round 4HOBRA274♥♠7+2+10
+5.3Round 2POST PANDA153NT♦A-1+12
+4.1Round 2POST PANDA201NT♣5-4+11
+4.1Round 4HOBRA193NT♦J-1+10
+4.0Round 7SILVER SURFERS101♠♣8=+5
+3.8Round 4HOBRA151NT♥T-2+7
+3.6Round 2POST PANDA165♠♦9-1+8
+3.6Round 7SILVER SURFERS85♦x♥3-1+5
+3.3Round 6LEBOWITZ183NT♥J=+0
+3.2Round 2POST PANDA215♣♦A-1+6
+2.9Round 2POST PANDA234♥♦A-2+2
+2.8Round 7SILVER SURFERS26♥♣K+1-11
+2.5Round 4HOBRA164♦♥5=+1
+1.5Round 2POST PANDA173♥♠6-1-2
+1.3Round 7SILVER SURFERS114♠♦K-1+4
+1.0Round 7SILVER SURFERS55♦♥3=+0
+0.7Round 6LEBOWITZ214♣♥T=+7
+0.3Round 4HOBRA183♦♥4-2+2
+0.3Round 7SILVER SURFERS144♠♦K+2+11
+0.2Round 2POST PANDA272♠♦5-1-4
-0.2Round 6LEBOWITZ173NT♦Q+1+1
-0.3Round 2POST PANDA244♠♦7+1+0
-0.3Round 4HOBRA236♠♦A=+0
-0.5Round 7SILVER SURFERS73NT♠T+1+0
-0.5Round 7SILVER SURFERS124♠♦T=+0
-0.8Round 6LEBOWITZ274♦♠T=+0
-0.9Round 4HOBRA203♣♠6=-1
-0.9Round 7SILVER SURFERS61♠♣5-1-5
-1.0Round 6LEBOWITZ243♥♠8-3+6
-1.1Round 6LEBOWITZ233NT♠4=+0
-1.2Round 7SILVER SURFERS94♠♣3=+0
-1.3Round 2POST PANDA183NT♠5+1-10
-1.3Round 6LEBOWITZ163♦♥A+1+0
-1.6Round 4HOBRA173♣♦2+2-2
-2.0Round 2POST PANDA223NT♣2=-7
-2.3Round 7SILVER SURFERS34♥♣3=+0
-2.8Round 6LEBOWITZ254♥♦T-1-5
-3.0Round 2POST PANDA283♣♦J+2-2
-3.0Round 7SILVER SURFERS13♠♣J+1-2
-3.5Round 6LEBOWITZ284♠♦5-1-12
-3.6Round 6LEBOWITZ193NT♦A-2-6
-3.8Round 4HOBRA213♦♠K-1-10
-3.9Round 4HOBRA284♠♥2-1-5
-5.0Round 7SILVER SURFERS45♣♣8=+0
-5.7Round 6LEBOWITZ203NT♣K+1-1
-5.9Round 6LEBOWITZ264♠♣J=+0
-7.5Round 2POST PANDA255♥♣6+1-3
-7.9Round 7SILVER SURFERS136♣♠9-2-13
-8.6Round 6LEBOWITZ223NT♠2+2-11
-10.0Round 6LEBOWITZ154NT♠K-3-10
-11.7Round 2POST PANDA196♦♠T=-10