KOVACHEV Valentin · VALIO
455rank
-35.0Butler · 80 bds
-0.44per board
±4.4swing
+0.28vs par /bd · #224/597
-0.18adjusted /bd
by round
vs par split: bidding +0.66 · play -0.44
Strength of schedule: opponents averaged +0.26/bd (a tough draw) → opponent-adjusted -0.18/bd
Card play — on target: opening leads 82.6% #220 of 597 · declarer play 68.8% #421 of 597 · defence 86.7% #263 of 597
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (5) | 88.9% (18) |
| Declarer play | 80.0% (5) | 63.6% (11) |
| Defence | 75.0% (16) | 93.1% (29) |
Opening leads by suit led: ♠ 100.0% (7) · ♥ 80.0% (5) · ♦ 66.7% (3) · ♣ 75.0% (8)
vs par by strain: NT +1.16 (25) · a suit -0.13 (55)
vs par by level: part-score +0.61 (26) · game +0.49 (47) · slam -2.43 (7)
By role: declaring -0.39/bd (-1.29 vs par · 34) · defending -0.47/bd (+1.44 vs par · 46)
By vulnerability: vulnerable -1.56/bd (-2.55 vs par · 40) · not vulnerable +0.69/bd (+3.10 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | R.Kral | S.Auken – R.Welland | Open | 10 | -13.5 | -1.35 | -1.20 |
| Round 2 | R.Kral | C.Lorenzini – J.Ventin Camprubi | Closed | 10 | +6.5 | +0.65 | +0.70 |
| Round 3 | R.Kral | C.Civan – M.Albayrak | Closed | 10 | +9.7 | +0.97 | +1.30 |
| Round 4 | R.Kral | Z.Fu – X.Hou | Open | 10 | -19.6 | -1.96 | -1.60 |
| Round 5 | R.Kral | I.Baniri – A.Yekutieli | Open | 10 | -7.0 | -0.70 | +0.20 |
| Round 6 | R.Kral | N.Eber – H.Fick | Closed | 10 | -4.7 | -0.47 | +1.40 |
| Round 9 | R.Kral | P.Gawrys – M.Klukowski | Closed | 10 | -3.6 | -0.36 | +2.50 |
| Round 10 | R.Kral | D.De Falco – G.Genova | Open | 10 | -2.8 | -0.28 | -1.10 |
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.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +9.8 | Round 2 | VENTIN | 6 | 3♦x | ♣3 | -4 | +5 |
| +9.8 | Round 6 | SOUTH SWEDEN | 18 | 3♥x | ♦9 | -2 | +9 |
| +9.2 | Round 5 | TOLEDANO | 5 | 5♥x | ♣A | -3 | +9 |
| +7.8 | Round 10 | BORTOLETTI | 21 | 4NT | ♠Q | -1 | +5 |
| +7.6 | Round 5 | TOLEDANO | 4 | 6♠ | ♦K | = | +13 |
| +6.9 | Round 3 | KOC UNIVERSITY | 20 | 2NT | ♠7 | -2 | +7 |
| +6.2 | Round 9 | ZIMMERMANN | 17 | 3NT | ♥6 | -1 | +10 |
| +5.8 | Round 3 | KOC UNIVERSITY | 13 | 3NT | ♥J | +1 | +0 |
| +4.8 | Round 9 | ZIMMERMANN | 12 | 4♥ | ♦A | = | +11 |
| +4.5 | Round 2 | VENTIN | 8 | 2♠x | ♦3 | -4 | -5 |
| +4.0 | Round 6 | SOUTH SWEDEN | 13 | 3NT | ♣2 | +1 | +10 |
| +3.8 | Round 6 | SOUTH SWEDEN | 15 | 2♥ | ♥6 | -1 | +12 |
| +3.4 | Round 4 | PD TIMES | 25 | 4♥ | ♠6 | = | +0 |
| +3.3 | Round 6 | SOUTH SWEDEN | 17 | 3NT | ♣9 | = | +3 |
| +2.9 | Round 3 | KOC UNIVERSITY | 17 | 2♦x | ♥6 | = | +2 |
| +2.8 | Round 10 | BORTOLETTI | 28 | 4♥ | ♥3 | +1 | +0 |
| +2.7 | Round 2 | VENTIN | 5 | 4♥ | ♦3 | +2 | +2 |
| +2.3 | Round 9 | ZIMMERMANN | 15 | 4♠ | ♥K | = | +6 |
| +1.8 | Round 1 | GERMANY SA | 4 | 4♥ | ♠2 | -2 | +3 |
| +1.7 | Round 5 | TOLEDANO | 3 | 3♦ | ♠2 | +1 | +0 |
| +1.7 | Round 9 | ZIMMERMANN | 14 | 2♠ | ♥5 | +2 | +7 |
| +1.6 | Round 2 | VENTIN | 9 | 3NT | ♥7 | +2 | +1 |
| +1.4 | Round 4 | PD TIMES | 23 | 3♥ | ♠Q | -1 | +5 |
| +1.2 | Round 5 | TOLEDANO | 8 | 4♠ | ♣Q | +1 | +0 |
| +1.2 | Round 10 | BORTOLETTI | 30 | 3NT | ♥2 | +1 | +0 |
| +1.1 | Round 4 | PD TIMES | 30 | 5♣ | ♠K | +1 | +11 |
| +1.0 | Round 1 | GERMANY SA | 5 | 4♠ | ♦A | +1 | +0 |
| +1.0 | Round 9 | ZIMMERMANN | 11 | 5♥ | ♠3 | = | +11 |
| +0.9 | Round 1 | GERMANY SA | 10 | 4♠ | ♦6 | +1 | +0 |
| +0.8 | Round 1 | GERMANY SA | 6 | 3NT | ♠3 | -1 | +5 |
| +0.8 | Round 3 | KOC UNIVERSITY | 12 | 5♠x | ♥A | -1 | -7 |
| +0.7 | Round 6 | SOUTH SWEDEN | 11 | 3NT | ♥6 | +1 | +1 |
| +0.3 | Round 3 | KOC UNIVERSITY | 18 | 2♣ | ♦J | -2 | +5 |
| +0.1 | Round 2 | VENTIN | 4 | 3NT | ♥J | +2 | +13 |
| +0.1 | Round 5 | TOLEDANO | 2 | 1NT | ♥Q | +1 | -1 |
| -0.0 | Round 3 | KOC UNIVERSITY | 15 | 3NT | ♣2 | = | +13 |
| +0.0 | Round 5 | TOLEDANO | 9 | 3NT | ♦Q | = | -2 |
| -0.1 | Round 1 | GERMANY SA | 2 | 3♠ | ♥10 | = | +10 |
| -0.2 | Round 1 | GERMANY SA | 3 | 5♦ | ♣J | = | -11 |
| -0.3 | Round 10 | BORTOLETTI | 24 | 3♦ | ♠K | +1 | +0 |
| -0.4 | Round 3 | KOC UNIVERSITY | 14 | 3♥ | ♠9 | = | +4 |
| -0.4 | Round 10 | BORTOLETTI | 25 | 2♥ | ♣4 | = | -1 |
| -0.5 | Round 6 | SOUTH SWEDEN | 12 | 3NT | ♣Q | = | +2 |
| -0.6 | Round 4 | PD TIMES | 24 | 4♥ | ♣J | +2 | +11 |
| -0.6 | Round 9 | ZIMMERMANN | 16 | 4♠ | ♣10 | +1 | -1 |
| -0.8 | Round 9 | ZIMMERMANN | 18 | 5♦ | ♥10 | +1 | +10 |
| -0.9 | Round 10 | BORTOLETTI | 23 | 3♦ | ♥A | -1 | +0 |
| -1.1 | Round 2 | VENTIN | 10 | 3NT | ♥2 | = | +0 |
| -1.2 | Round 3 | KOC UNIVERSITY | 19 | 2♠ | ♣Q | +1 | +0 |
| -1.6 | Round 2 | VENTIN | 7 | 4♠ | ♥5 | = | -3 |
| -2.0 | Round 10 | BORTOLETTI | 26 | 3♣ | ♠Q | -1 | +0 |
| -2.2 | Round 1 | GERMANY SA | 7 | 1♣ | ♣3 | +1 | -11 |
| -2.2 | Round 2 | VENTIN | 2 | 3NT | ♠A | +2 | -1 |
| -2.2 | Round 2 | VENTIN | 3 | 4♥ | ♣Q | = | +0 |
| -2.2 | Round 3 | KOC UNIVERSITY | 16 | 5♣x | ♥K | -2 | -5 |
| -2.3 | Round 6 | SOUTH SWEDEN | 14 | 2♠ | ♠9 | = | +0 |
| -2.4 | Round 4 | PD TIMES | 21 | 3NT | ♦Q | +2 | -1 |
| -2.4 | Round 4 | PD TIMES | 29 | 2♥ | ♣10 | = | -6 |
| -2.6 | Round 5 | TOLEDANO | 1 | 4♥ | ♥6 | -2 | +5 |
| -2.6 | Round 10 | BORTOLETTI | 22 | 2♠ | ♣J | = | -5 |
| -2.8 | Round 10 | BORTOLETTI | 27 | 5♦ | ♣K | = | +2 |
| -2.9 | Round 4 | PD TIMES | 28 | 6NT | ♥3 | = | +0 |
| -3.2 | Round 3 | KOC UNIVERSITY | 11 | 1NT | ♠8 | +1 | -6 |
| -3.8 | Round 9 | ZIMMERMANN | 19 | 5♣ | ♠K | -1 | -10 |
| -3.9 | Round 4 | PD TIMES | 27 | 4♠ | ♥3 | -2 | -11 |
| -3.9 | Round 6 | SOUTH SWEDEN | 19 | 6♥ | ♣2 | = | +0 |
| -4.0 | Round 1 | GERMANY SA | 9 | 3NT | ♥8 | +2 | -8 |
| -4.4 | Round 9 | ZIMMERMANN | 13 | 2♠ | ♥Q | -1 | -6 |
| -4.5 | Round 1 | GERMANY SA | 1 | 6♠ | ♦A | = | +0 |
| -5.1 | Round 2 | VENTIN | 1 | 5♣x | ♠Q | -3 | -5 |
| -5.3 | Round 4 | PD TIMES | 22 | 4♥ | ♣5 | -1 | -12 |
| -5.6 | Round 10 | BORTOLETTI | 29 | 4♠ | ♠10 | -1 | -12 |
| -5.8 | Round 5 | TOLEDANO | 6 | 1NT | ♣J | +2 | -10 |
| -6.3 | Round 6 | SOUTH SWEDEN | 16 | 4♠x | ♥4 | +1 | -6 |
| -7.0 | Round 1 | GERMANY SA | 8 | 7NT | ♣10 | = | +0 |
| -8.0 | Round 4 | PD TIMES | 26 | 4♥ | ♦9 | +2 | -13 |
| -8.7 | Round 5 | TOLEDANO | 7 | 1NTx | ♠Q | +2 | +1 |
| -9.7 | Round 5 | TOLEDANO | 10 | 3NT | ♥J | = | -13 |
| -10.0 | Round 9 | ZIMMERMANN | 20 | 6♥ | ♠A | -1 | -13 |
| -13.3 | Round 6 | SOUTH SWEDEN | 20 | 6♣ | ♦Q | -1 | -17 |