YAN Shi Rock · MCMULLIN

170rank
-4.2Butler · 42 bds
-0.10per board
±5.2swing
-0.12vs par /bd · #181/311
+0.20adjusted /bd
Butler per round: 1.4 10.8 14.2 -44.7 18.4 -4.3by round

vs par split: bidding -0.02 · play -0.10

Strength of schedule: opponents averaged +0.29/bd (a tough draw) → opponent-adjusted +0.20/bd

Card play — on target: opening leads 73.3% #195 of 310 · declarer play 83.3% #97 of 310 · defence 79.2% #231 of 311

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)70.0% (10)
Declarer play100.0% (1)81.8% (11)
Defence87.5% (8)75.0% (16)

Opening leads by suit led: ♠ 40.0% (5) · ♥ 75.0% (4) · ♦ 100.0% (2) · ♣ 100.0% (4)

vs par by strain: NT +0.70 (10) · a suit -0.38 (32)

vs par by level: part-score +0.70 (20) · game +0.17 (18) · slam -5.50 (4)

By role: declaring +1.73/bd (-0.94 vs par · 18) · defending -1.47/bd (+0.50 vs par · 24)

By vulnerability: vulnerable +1.41/bd (+0.95 vs par · 21) · not vulnerable -1.61/bd (-1.19 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3G.ZhangD.Berkowitz – A.SontagOpen7+1.4+0.20+0.57
Round 4G.ZhangA.Fuglestad – M.HardingOpen7+10.8+1.54+3.29
Round 5G.ZhangK.Ellingsen – H.EideClosed7+14.2+2.03+1.43
Round 6G.ZhangR.Schwartz – L.FisherOpen7-44.7-6.39-7.29
Round 7G.ZhangN.Nickell – R.KatzOpen7+18.4+2.63+1.71
Round 8G.ZhangQ.Ye – P.WuOpen7-4.3-0.61-0.43

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
+10.0Round 5NORWAY JUNIORS44♠♥2=+10
+9.3Round 7NICKELL154♠♦3=+0
+8.3Round 7NICKELL214♠♥2+2+11
+7.8Round 7NICKELL186♦♥8=-2
+6.5Round 5NORWAY JUNIORS33♦♣A-4+9
+4.9Round 4KCB233NT♦8-1+6
+4.7Round 4KCB222♥♠3+1+10
+4.0Round 4KCB243♦♠7=+5
+4.0Round 5NORWAY JUNIORS76♥♣4+1+1
+3.9Round 3MARK GORDON174♠♠2-1+8
+3.6Round 7NICKELL202♥♠3=+6
+2.4Round 8YUETAO OF GUANGZHOU242♠♣9+1+0
+2.3Round 3MARK GORDON161NT♠2=+8
+2.3Round 5NORWAY JUNIORS54♠♣3-1+10
+2.0Round 5NORWAY JUNIORS66NT♦3+1-10
+2.0Round 8YUETAO OF GUANGZHOU233♣♠K=+0
+1.3Round 4KCB262♥♣Q=+0
+1.0Round 3MARK GORDON214♣♦2+1+10
+0.8Round 8YUETAO OF GUANGZHOU222NT♠7-1-2
+0.7Round 8YUETAO OF GUANGZHOU251NT♣10=+2
+0.3Round 3MARK GORDON154♥♠10+2-11
+0.1Round 4KCB253NT♠Q=+0
-0.4Round 5NORWAY JUNIORS23♥♣5-1+1
-0.6Round 7NICKELL191NT♦4=+1
-0.8Round 4KCB274♠♦J+2+11
-0.9Round 8YUETAO OF GUANGZHOU284♠♣7=-3
-1.1Round 7NICKELL165♥x♠Q-1+0
-1.3Round 3MARK GORDON201NT♥J+2+1
-1.5Round 6VITAS101NT♠4+1+0
-2.3Round 3MARK GORDON194♠♦K=-6
-2.5Round 3MARK GORDON183♥♠J=-6
-3.4Round 4KCB283♦♦A+1-9
-3.4Round 8YUETAO OF GUANGZHOU274♠♦Q+1-1
-3.9Round 6VITAS82♠♦K=-5
-4.6Round 6VITAS113♥♣K=-6
-5.7Round 6VITAS134♠♠5-2-7
-5.9Round 8YUETAO OF GUANGZHOU263NT♥6=+1
-7.1Round 6VITAS95♣♥5=-11
-8.9Round 7NICKELL175♣x♥A=-4
-10.2Round 5NORWAY JUNIORS16♥♣K-1-11
-10.4Round 6VITAS124♥x♠8+2-11
-11.5Round 6VITAS143♣x♥Q=-11