DONG Chunhui · CHINA OPEN TEAM 1

115rank
+0.7Butler · 84 bds
+0.01per board
±4.3swing
+0.08vs par /bd · #83/196
-0.12adjusted /bd
Butler per round: -6.6 6.9 29.6 -32.2 12 -9by round

vs par split: bidding +0.19 · play -0.11

Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted -0.12/bd

Card play — on target: opening leads 88.9% #28 of 196 · declarer play 87.5% #21 of 196 · defence 87.5% #85 of 196

Bidding activity — not a pass: 41.3% #143 of 196 (114/276)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (4)85.7% (14)
Declarer play75.0% (4)91.7% (12)
Defence71.4% (7)90.2% (41)

Opening leads by suit led: ♠ 100.0% (8) · ♥ 100.0% (1) · ♦ 80.0% (5) · ♣ 75.0% (4)

vs par by strain: NT -1.39 (18) · a suit +0.48 (66)

vs par by level: part-score +0.22 (36) · game -0.11 (37) · slam +0.27 (11)

By role: declaring +0.23/bd (-1.58 vs par · 36) · defending -0.16/bd (+1.33 vs par · 48)

By vulnerability: vulnerable -0.10/bd (-0.48 vs par · 42) · not vulnerable +0.12/bd (+0.64 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1G.ShenA.Grossack – L.LebowitzOpen14-6.6-0.47-1.00
Round 3G.ShenZ.Shao – S.SunClosed14+6.9+0.49-0.43
Round 4G.ShenD.Filipowicz – K.AnklesariaClosed14+29.6+2.11+1.57
Round 5G.ShenW.Bak – M.WitekOpen14-32.2-2.30-0.43
Round 7G.ShenA.Allard – V.ReessOpen14+12.0+0.86+0.14
Round 8G.ShenJ.Meckstroth – D.BerkowitzClosed14-9.0-0.64+0.64

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
+9.2Round 7ALLARD62NTx♠4=+12
+9.1Round 4MAVERICKS256♠♣2-1+17
+8.2Round 4MAVERICKS153♦x♠Q-2+5
+8.2Round 7ALLARD24♥♣K+3+14
+8.0Round 3GX2S54♥♠A-1+10
+7.5Round 5EMI96♠♦A-2+13
+6.7Round 5EMI53♠x♥K-3-4
+6.3Round 8GOODMAN174♠♦T+3+14
+6.1Round 7ALLARD135♥♣J-1+12
+5.9Round 4MAVERICKS264♠x♥K-1+0
+5.1Round 1LEBOWITZ63♠♣A=+1
+4.3Round 8GOODMAN201NT♣8-1+6
+4.2Round 4MAVERICKS163♥♠A=+6
+3.9Round 4MAVERICKS284♠♥3-1+5
+3.4Round 4MAVERICKS276♣♠3+1+1
+3.3Round 5EMI144♣♦A=+1
+3.1Round 1LEBOWITZ103♣♠A-1+5
+2.6Round 3GX2S113♠♣T-2+5
+2.3Round 1LEBOWITZ73♦♥5=+0
+2.3Round 3GX2S63NT♣3+1+0
+2.3Round 7ALLARD34♥♠2=+0
+2.2Round 3GX2S133NT♥4+2+1
+2.1Round 3GX2S106♠♠7+1-13
+2.0Round 3GX2S92♠♣Q-1+2
+1.7Round 4MAVERICKS192♥♣2+2-6
+1.4Round 4MAVERICKS182♠♣A+1+0
+1.4Round 8GOODMAN222♠♠A-1+2
+1.3Round 8GOODMAN242NT♠4=+1
+1.2Round 7ALLARD94♠♣3=+0
+0.9Round 7ALLARD103♣♥6-1+0
+0.6Round 1LEBOWITZ34♥♣5=+0
+0.6Round 1LEBOWITZ91NT♦2+2+1
+0.6Round 3GX2S42♣♦4+1+0
+0.6Round 3GX2S143NT♣7+1+1
+0.6Round 5EMI33NT♥5+1+0
+0.5Round 1LEBOWITZ114♣♦A-1+2
+0.5Round 7ALLARD73NT♠T+1+0
+0.5Round 7ALLARD124♠♦T=+0
+0.3Round 1LEBOWITZ82♦♠3=+1
+0.3Round 4MAVERICKS236♠♥7=+0
+0.3Round 7ALLARD86♦x♣J-2+0
+0.2Round 4MAVERICKS203♣♦Q+1+0
-0.0Round 8GOODMAN232♥♥A+1+0
+0.0Round 8GOODMAN274♥♣4+2+11
-0.2Round 3GX2S24♠♣3-1+5
-0.2Round 3GX2S33♥♦T+1+2
-0.2Round 4MAVERICKS174♦♠5-2+0
-0.3Round 7ALLARD144♠♦K+2-11
-0.6Round 8GOODMAN163NT♦5=-1
-0.8Round 3GX2S83♥♠J-1-2
-0.9Round 4MAVERICKS213♥♣T=+6
-1.0Round 4MAVERICKS243NT♦5=-2
-1.0Round 7ALLARD55♦♠7=+0
-1.1Round 8GOODMAN183NT♦2+1-12
-1.2Round 1LEBOWITZ123♦♣A=+1
-1.3Round 7ALLARD114♠♥A-1-4
-1.4Round 1LEBOWITZ22♥♦A=-6
-1.6Round 3GX2S12♥♦Q+2-1
-1.6Round 5EMI24♠♣8-2-7
-1.6Round 8GOODMAN252NT♥A=-6
-1.7Round 5EMI125♦x♣K-3-4
-1.9Round 1LEBOWITZ44♠♥K+1-1
-2.1Round 8GOODMAN264♥♦7=+0
-2.2Round 5EMI44♠x♦8-3+12
-2.3Round 8GOODMAN196♦♣A=+1
-2.6Round 8GOODMAN217♥♠J=+0
-2.9Round 1LEBOWITZ12♣♦K=+0
-3.0Round 5EMI14♣♣K+1-1
-3.1Round 3GX2S76♦♥4-1-15
-3.2Round 5EMI103NT♥A=+1
-3.3Round 5EMI84♥♣A=+0
-3.5Round 1LEBOWITZ134♠♥A-1-12
-3.7Round 1LEBOWITZ52♥♣5+2-1
-4.0Round 5EMI72NT♠K=+0
-4.2Round 8GOODMAN156♥♣7=+0
-4.5Round 1LEBOWITZ144♠♥K-1-5
-5.0Round 7ALLARD43♣♦8+2-10
-6.6Round 4MAVERICKS223NT♥2-1-10
-7.6Round 3GX2S126♥♠T+1-1
-7.8Round 8GOODMAN283NT♦2=-7
-8.2Round 5EMI64♠x♥3-2+7
-9.6Round 5EMI133NT♠6=-10
-9.6Round 7ALLARD15♦♠K=-11
-13.5Round 5EMI112♠x♣A=-14