CHEN Xingguo · COFCO YALONG BAY

120rank
+6.4Butler · 35 bds
+0.18per board
±4.5swing
+1.26vs par /bd · #27/277
-0.24adjusted /bd
Butler per round: 1.9 11.8 4.6 -20.8 8.9by round

vs par split: bidding +0.91 · play +0.34

Strength of schedule: opponents averaged -0.42/bd (an easy draw) → opponent-adjusted -0.24/bd

Card play — on target: opening leads 81.8% #107 of 277 · declarer play 62.5% #235 of 277 · defence 65.0% #267 of 277

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)80.0% (10)
Declarer play60.0% (5)66.7% (3)
Defence66.7% (3)64.7% (17)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 75.0% (4) · ♦ 100.0% (3) · ♣ 100.0% (2)

vs par by strain: NT -0.22 (9) · a suit +1.77 (26)

vs par by level: part-score +0.79 (19) · game +1.14 (14) · slam +6.50 (2)

By role: declaring +1.55/bd (+1.00 vs par · 15) · defending -0.84/bd (+1.45 vs par · 20)

By vulnerability: vulnerable +0.14/bd (+1.19 vs par · 16) · not vulnerable +0.22/bd (+1.32 vs par · 19)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1L.CaiM.Briciu – C.TeodorescuClosed7+1.9+0.27+0.00
Round 2L.CaiH.Ge – M.GongClosed7+11.8+1.69+5.57
Round 3L.CaiZ.Wang – Y.FengClosed7+4.6+0.66+2.00
Round 6L.CaiL.Wang – Y.LiuOpen7-20.8-2.97-2.43
Round 8L.CaiZ.Liu – Z.JinClosed7+8.9+1.27+1.14

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 2PHOENIX LEGEND94♠♣K+1+11
+5.4Round 3BLACK EARTH GOD DUCK BRIDGE CL165♦♣5-2+11
+5.4Round 3BLACK EARTH GOD DUCK BRIDGE CL183♥♠J-2+3
+5.2Round 8JILINSHENGQIAOPAIXIEHUI284♠x♦J=+7
+5.0Round 2PHOENIX LEGEND103♠x♥6-1+7
+4.8Round 1ROMANIA41NT♣A+2+13
+4.4Round 8JILINSHENGQIAOPAIXIEHUI223♠♥Q-2+8
+4.2Round 1ROMANIA13NT♠Q+2+1
+4.2Round 8JILINSHENGQIAOPAIXIEHUI263NT♥4=-1
+3.4Round 8JILINSHENGQIAOPAIXIEHUI233NT♥3-1+5
+3.1Round 2PHOENIX LEGEND123♦♣2=+5
+2.9Round 6QIANWEI82♠♦K=+5
+2.9Round 8JILINSHENGQIAOPAIXIEHUI274♠♥3=+0
+2.5Round 3BLACK EARTH GOD DUCK BRIDGE CL174♠♣8-1+8
+2.3Round 1ROMANIA22♥♠3+2+10
+2.3Round 2PHOENIX LEGEND144♠♦J-1+4
+2.0Round 6QIANWEI114♣♣3-1+4
+0.7Round 3BLACK EARTH GOD DUCK BRIDGE CL213♣♥10+2+10
-0.2Round 1ROMANIA61NT♣3+1-10
-0.4Round 1ROMANIA53♠♥3-1-1
-0.7Round 2PHOENIX LEGEND113♠♦7+1-2
-0.9Round 2PHOENIX LEGEND81NT♠2=+1
-1.6Round 3BLACK EARTH GOD DUCK BRIDGE CL194♠♣K=-6
-2.0Round 6QIANWEI132♠♦Q+1-1
-2.3Round 3BLACK EARTH GOD DUCK BRIDGE CL201NT♥Q+2+1
-3.0Round 1ROMANIA32♠♦2=-6
-3.6Round 8JILINSHENGQIAOPAIXIEHUI254♥♦7-1-5
-3.7Round 6QIANWEI96♣♣A-2+0
-3.7Round 6QIANWEI103NT♥K-1-6
-5.5Round 3BLACK EARTH GOD DUCK BRIDGE CL152♥♠10+4-13
-5.8Round 1ROMANIA73♥♦3+1-7
-6.2Round 6QIANWEI144♠♠4=-7
-7.0Round 2PHOENIX LEGEND136♠♥4+1+13
-7.6Round 8JILINSHENGQIAOPAIXIEHUI243NT♦4=-6
-10.1Round 6QIANWEI123♠♥3-1-12