KOVACHEV Valentin · VALIO

82rank
+20.3Butler · 28 bds
+0.72per board
±5.1swing
+2.89vs par /bd · #2/399
+1.10adjusted /bd
Butler per round: -12.9 25 -0.5 8.7by round

vs par split: bidding +0.54 · play +2.36

Strength of schedule: opponents averaged +0.37/bd (a tough draw) → opponent-adjusted +1.10/bd

Card play — on target: opening leads 100.0% #1 of 398 · declarer play 66.7% #236 of 398 · defence 94.7% #36 of 399

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (9)
Declarer play·66.7% (3)
Defence100.0% (4)93.3% (15)

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

vs par by strain: NT +2.00 (5) · a suit +3.09 (23)

vs par by level: part-score -0.30 (10) · game +3.60 (15) · slam +10.00 (3)

By role: declaring +2.24/bd (+1.33 vs par · 9) · defending +0.01/bd (+3.63 vs par · 19)

By vulnerability: vulnerable +0.58/bd (+1.29 vs par · 14) · not vulnerable +0.87/bd (+4.50 vs par · 14)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 5D.MarquardtM.Seamon – S.MossOpen7-12.9-1.84-1.29
Round 6D.MarquardtM.Roche – B.StewartOpen7+25.0+3.57+5.57
Round 7D.MarquardtG.Chua – C.SeetClosed7-0.5-0.07+4.43
Round 8D.MarquardtR.Gunev – D.PopovaClosed7+8.7+1.24+2.86

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
+13.7Round 6RAYNER126♥♠4-2+17
+12.7Round 7SINGAPORE MIXED194♥x♠2=+14
+5.1Round 8HAUGE282♥♣3=+6
+4.2Round 6RAYNER114♥♣A+2+11
+4.2Round 7SINGAPORE MIXED214♠♥A-1+6
+3.5Round 6RAYNER131NT♣3-3-7
+3.2Round 8HAUGE263♣♦J-2+7
+2.7Round 6RAYNER143NT♠Q-1+8
+2.7Round 8HAUGE223♠♠2-2+5
+2.5Round 8HAUGE233NT♠Q-1+12
+2.2Round 7SINGAPORE MIXED202♠♦J=+0
+2.2Round 8HAUGE244♠♣K+1+0
+1.7Round 6RAYNER84♠♣K-1+10
+0.4Round 7SINGAPORE MIXED162♠♥5=-1
+0.3Round 6RAYNER94♥♣6+1+0
+0.3Round 8HAUGE273♠♥8=+0
+0.1Round 5MOSS24♥♠J+1+0
-0.8Round 5MOSS15♠x♥K-2-5
-0.8Round 7SINGAPORE MIXED153♣♠K+1-1
-1.1Round 6RAYNER104♥♦8+1+0
-1.2Round 5MOSS52♦♦2=-2
-1.5Round 5MOSS64♠♦K=+1
-1.6Round 5MOSS73NT♣7-1-5
-2.5Round 5MOSS43NT♥J=+2
-5.4Round 5MOSS34♥♣J+1+0
-7.3Round 8HAUGE252♠♥5+1-10
-8.8Round 7SINGAPORE MIXED186♠♣K+1+13
-10.4Round 7SINGAPORE MIXED176♦♥A=+0