CHEN Yunpeng · SX VENUS

27rank
+9.6Butler · 60 bds
+0.16per board
±4.8swing
+1.22vs par /bd · #6/51
+0.08adjusted /bd
Butler per round: -4.5 -9.2 26.8 -10.3 5.3 1.5by round

vs par split: bidding +1.22 · play +0.00

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted +0.08/bd

Card play — on target: opening leads 64.3% #40 of 51 · declarer play 68.8% #39 of 51 · defence 83.3% #24 of 51

Card play by contract type — on target
vs NTvs a suit
Opening leads33.3% (3)72.7% (11)
Declarer play57.1% (7)77.8% (9)
Defence90.0% (10)80.8% (26)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 60.0% (5) · ♦ 75.0% (4) · ♣ 0.0% (1)

vs par by strain: NT +0.55 (22) · a suit +1.60 (38)

vs par by level: part-score +1.17 (23) · game +1.00 (32) · slam +2.80 (5)

By role: declaring +1.53/bd (-0.67 vs par · 24) · defending -0.76/bd (+2.47 vs par · 36)

By vulnerability: vulnerable -0.77/bd (+0.22 vs par · 32) · not vulnerable +1.22/bd (+2.36 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1X.RuanH.Dai – Y.LiuClosed10-4.5-0.45+2.60
Round 2X.RuanB.Harper – J.SchwartzClosed10-9.2-0.92-0.90
Round 3X.RuanF.Yu – Y.GaoClosed10+26.8+2.68+2.20
Round 5J.XuY.Wang – Z.YuanClosed10-10.3-1.03+0.80
Round 6X.RuanJ.Zalewska – H.CiunczykClosed10+5.3+0.53+2.40
Round 9X.RuanT.Zhang – N.LangClosed10+1.5+0.15+0.20

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
+8.3Round 3SX NEBULA43NT♦A-3+9
+8.3Round 9SX SATURN176♥♦6-3+12
+8.0Round 1SX JUPITER63NT♣9+2+1
+7.3Round 6POLAND42♥♣3=+12
+6.7Round 3SX NEBULA104♥♥J-4+11
+5.9Round 1SX JUPITER53NT♥A-3+9
+5.9Round 6POLAND24♠x♥5-1+9
+5.6Round 5SX STARLORD223♥♥8-3+5
+5.4Round 2USA164♠♥2+2-11
+5.4Round 9SX SATURN144♠♦9-3+7
+5.3Round 3SX NEBULA83♠♠9=+1
+5.1Round 5SX STARLORD293NT♣J+1-1
+5.1Round 6POLAND33NT♥J-2+6
+4.7Round 1SX JUPITER93NT♣7-1+10
+4.7Round 3SX NEBULA53♥♠A=+1
+2.9Round 2USA112♦♣4-1+5
+2.9Round 3SX NEBULA12NT♣A=+0
+2.6Round 6POLAND12NT♠3=+1
+2.4Round 1SX JUPITER85♥♣A-1+10
+1.6Round 5SX STARLORD283♥♣Q=+1
+1.4Round 1SX JUPITER13♥♦8-2-1
+1.4Round 5SX STARLORD304♠♥A=+0
+1.3Round 9SX SATURN126♦♣A=-2
+1.1Round 3SX NEBULA73NT♠J=+1
+1.1Round 9SX SATURN203NT♦4+3-13
+0.9Round 3SX NEBULA33♦♦5-1+3
+0.6Round 9SX SATURN191NT♠A=-1
+0.4Round 2USA122♥♦Q=-1
+0.4Round 3SX NEBULA93NT♦4=+1
+0.4Round 5SX STARLORD253NT♥4+2+1
+0.4Round 6POLAND82♣♣5=+5
+0.4Round 9SX SATURN113NT♥J=-1
-0.0Round 1SX JUPITER104♥♠4+1+0
+0.0Round 2USA143NT♥3-1+4
+0.0Round 2USA183NT♠J+1+0
+0.0Round 5SX STARLORD262♠♦J=-1
-0.7Round 6POLAND53♥♠5=-1
-1.1Round 2USA202♠♥A=+0
-1.4Round 3SX NEBULA62♠♦2+1-1
-1.6Round 2USA134♥♦J+1+0
-1.7Round 2USA173NT♠9+2-1
-2.1Round 1SX JUPITER22♥♥9+1+0
-2.1Round 3SX NEBULA23♠♥J+1-4
-2.3Round 9SX SATURN165♥♠A=+4
-2.4Round 5SX STARLORD271NT♦K-1+3
-2.7Round 1SX JUPITER45♦♥6+1+10
-2.9Round 6POLAND92♥♣9=-1
-2.9Round 9SX SATURN183NT♥8-1-6
-3.0Round 6POLAND72♣♠7+2+0
-3.1Round 2USA155♥♠A=-6
-3.4Round 5SX STARLORD246♦♣K=+2
-3.4Round 6POLAND101NT♥7=+1
-3.7Round 9SX SATURN154♠♣5=+1
-6.0Round 6POLAND64♠♦9+1-8
-6.3Round 5SX STARLORD216♣♥3=+2
-6.7Round 9SX SATURN134♠♣9=+1
-10.1Round 1SX JUPITER73NT♠5-2-13
-10.4Round 2USA193NT♣J=+1
-12.0Round 1SX JUPITER37♠♠3=+0
-12.3Round 5SX STARLORD234♠♥A+1-4