KOVACHEV Valentin · VALIO
292rank
-70.5Butler · 100 bds
-0.70per board
±4.7swing
+0.17vs par /bd · #150/332
-0.64adjusted /bd
by round
vs par split: bidding +0.05 · play +0.12
Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted -0.64/bd
Card play — on target: opening leads 78.6% #150 of 332 · declarer play 81.0% #96 of 332 · defence 75.8% #305 of 332
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 85.7% (7) | 76.2% (21) |
| Declarer play | 75.0% (8) | 84.6% (13) |
| Defence | 77.8% (18) | 75.0% (44) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 100.0% (6) · ♦ 50.0% (6) · ♣ 72.7% (11)
vs par by strain: NT +0.80 (30) · a suit -0.10 (70)
vs par by level: part-score -1.25 (36) · game +1.18 (57) · slam -0.71 (7)
By role: declaring +0.20/bd (-0.60 vs par · 38) · defending -1.26/bd (+0.65 vs par · 62)
By vulnerability: vulnerable -1.85/bd (-0.65 vs par · 51) · not vulnerable +0.49/bd (+1.02 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | D.Marquardt | S.Bohnsack – S.Bohnsack | Closed | 10 | +1.9 | +0.19 | +1.30 |
| Round 2 | D.Marquardt | J.Zmuda – M.Klukowski | Open | 10 | -10.9 | -1.09 | -1.50 |
| Round 3 | D.Marquardt | A.Grossack – E.Kolesnik | Closed | 10 | -34.2 | -3.42 | -4.10 |
| Round 4 | D.Marquardt | M.Rosenberg – D.Rosenberg | Closed | 10 | -18.5 | -1.85 | +1.70 |
| Round 5 | D.Marquardt | J.Smederevac – J.Freeman | Open | 10 | +3.0 | +0.30 | +1.90 |
| Round 6 | D.Marquardt | I.Kandemir – S.Nuhoglu | Closed | 10 | -28.9 | -2.89 | -3.30 |
| Round 7 | D.Marquardt | E.Saelensminde – A.Fuglestad | Open | 10 | -15.3 | -1.53 | +0.50 |
| Round 8 | D.Marquardt | P.Bocken – A.Mierzwa | Closed | 10 | +29.9 | +2.99 | +1.50 |
| Round 9 | D.Marquardt | F.Volcker – S.Gombert | Open | 10 | -3.2 | -0.32 | +2.00 |
| Round 10 | D.Marquardt | I.Sut – E.Kaya | Open | 10 | +5.7 | +0.57 | +1.70 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 8 | BELUGALIA | 11 | 3♣x | ♥6 | -5 | +3 |
| +9.7 | Round 8 | BELUGALIA | 18 | 6♦ | ♥K | = | +0 |
| +9.3 | Round 5 | APAHEILI | 20 | 3NT | ♣10 | +1 | +10 |
| +9.1 | Round 8 | BELUGALIA | 15 | 3NT | ♥3 | -2 | +12 |
| +7.8 | Round 3 | ROBINSON | 24 | 5♣ | ♥3 | = | -1 |
| +7.3 | Round 4 | ROSENTHAL | 2 | 6♥ | ♦K | = | +11 |
| +6.9 | Round 1 | BLACKY | 4 | 3♠ | ♥9 | +1 | +10 |
| +6.4 | Round 9 | EPSILON | 21 | 4♠ | ♥Q | = | +7 |
| +6.2 | Round 10 | XYZ | 2 | 3NT | ♣6 | -2 | +12 |
| +6.0 | Round 2 | EDMONDS | 14 | 5♣x | ♥7 | = | +10 |
| +5.7 | Round 8 | BELUGALIA | 14 | 4♥ | ♥5 | -1 | +8 |
| +4.8 | Round 10 | XYZ | 5 | 3♠ | ♦2 | -2 | +3 |
| +4.7 | Round 6 | ADA | 23 | 3♠x | ♥K | -1 | +7 |
| +4.5 | Round 5 | APAHEILI | 16 | 3NT | ♠2 | -1 | +5 |
| +3.9 | Round 4 | ROSENTHAL | 8 | 4♦ | ♥5 | = | +6 |
| +3.6 | Round 8 | BELUGALIA | 12 | 2♠ | ♣6 | -1 | +6 |
| +3.2 | Round 1 | BLACKY | 9 | 2♠ | ♥Q | -2 | +5 |
| +3.2 | Round 7 | GILLIS | 7 | 2♠ | ♣A | +1 | +0 |
| +3.1 | Round 9 | EPSILON | 29 | 3NT | ♥6 | -1 | +6 |
| +2.9 | Round 5 | APAHEILI | 17 | 3NT | ♣4 | -1 | +5 |
| +2.7 | Round 2 | EDMONDS | 19 | 1NT | ♣Q | +3 | +6 |
| +2.7 | Round 10 | XYZ | 1 | 2♠ | ♠5 | = | +5 |
| +2.6 | Round 2 | EDMONDS | 12 | 3♠ | ♦J | = | +6 |
| +2.6 | Round 7 | GILLIS | 5 | 4♠x | ♦K | -1 | +9 |
| +2.4 | Round 9 | EPSILON | 27 | 3NT | ♣Q | -3 | +7 |
| +2.1 | Round 5 | APAHEILI | 19 | 4♠x | ♣7 | -2 | +0 |
| +1.6 | Round 10 | XYZ | 10 | 3NT | ♦8 | +2 | +1 |
| +1.5 | Round 4 | ROSENTHAL | 6 | 3♠ | ♥K | -1 | +5 |
| +1.2 | Round 7 | GILLIS | 1 | 3♠ | ♦7 | -1 | +4 |
| +1.0 | Round 1 | BLACKY | 2 | 4♠ | ♦10 | = | -1 |
| +1.0 | Round 1 | BLACKY | 3 | 4♠x | ♠2 | -1 | +0 |
| +0.9 | Round 8 | BELUGALIA | 17 | 3♣ | ♥8 | -2 | -1 |
| +0.7 | Round 6 | ADA | 24 | 1NT | ♠K | = | -1 |
| +0.6 | Round 1 | BLACKY | 6 | 4♠ | ♠4 | = | -1 |
| +0.3 | Round 5 | APAHEILI | 14 | 4♥ | ♠A | +1 | +0 |
| +0.2 | Round 2 | EDMONDS | 18 | 4♣ | ♦5 | +1 | -7 |
| +0.2 | Round 3 | ROBINSON | 21 | 3NT | ♦6 | = | -1 |
| +0.2 | Round 8 | BELUGALIA | 16 | 3NT | ♣4 | +2 | +0 |
| +0.1 | Round 6 | ADA | 28 | 4♠x | ♣6 | -2 | +5 |
| +0.1 | Round 7 | GILLIS | 9 | 3NT | ♣10 | +1 | +0 |
| +0.1 | Round 9 | EPSILON | 30 | 4♠ | ♠3 | +1 | +0 |
| -0.0 | Round 5 | APAHEILI | 11 | 4♥ | ♥5 | +1 | +0 |
| -0.1 | Round 9 | EPSILON | 28 | 2♠ | ♠5 | +1 | -7 |
| -0.1 | Round 10 | XYZ | 6 | 3NT | ♥9 | +1 | +0 |
| -0.2 | Round 10 | XYZ | 4 | 3NT | ♥5 | -2 | +7 |
| -0.2 | Round 10 | XYZ | 9 | 4♠ | ♦K | -1 | -2 |
| -0.3 | Round 1 | BLACKY | 5 | 3NT | ♥Q | -1 | +6 |
| -0.3 | Round 10 | XYZ | 3 | 4♥ | ♥2 | +1 | +0 |
| -0.4 | Round 2 | EDMONDS | 15 | 5♥ | ♣Q | = | +0 |
| -0.6 | Round 1 | BLACKY | 10 | 5♣ | ♥A | = | -5 |
| -0.8 | Round 9 | EPSILON | 26 | 3NT | ♠K | +2 | +0 |
| -0.9 | Round 3 | ROBINSON | 22 | 3NT | ♦J | +2 | +0 |
| -1.0 | Round 10 | XYZ | 8 | 2♣ | ♦K | +1 | +0 |
| -1.1 | Round 3 | ROBINSON | 25 | 2♥ | ♠6 | -2 | -3 |
| -1.2 | Round 3 | ROBINSON | 30 | 3NT | ♦10 | = | +1 |
| -1.3 | Round 7 | GILLIS | 2 | 3♠ | ♥6 | -1 | +2 |
| -1.7 | Round 5 | APAHEILI | 12 | 4♠ | ♦5 | +2 | -1 |
| -1.7 | Round 6 | ADA | 25 | 4♣ | ♥K | -1 | -5 |
| -1.7 | Round 7 | GILLIS | 8 | 1NT | ♣4 | -1 | -4 |
| -1.9 | Round 3 | ROBINSON | 27 | 3NT | ♣7 | +3 | -2 |
| -2.0 | Round 4 | ROSENTHAL | 5 | 3NT | ♦10 | +1 | +0 |
| -2.1 | Round 1 | BLACKY | 1 | 4♠ | ♦K | = | +0 |
| -2.1 | Round 7 | GILLIS | 10 | 3NT | ♣2 | +2 | +0 |
| -2.2 | Round 2 | EDMONDS | 13 | 4♥ | ♣A | +2 | -1 |
| -2.2 | Round 6 | ADA | 26 | 3NT | ♠6 | +1 | +0 |
| -2.2 | Round 8 | BELUGALIA | 13 | 3NT | ♣5 | -1 | -6 |
| -2.4 | Round 4 | ROSENTHAL | 4 | 4♥ | ♦3 | +2 | -2 |
| -2.6 | Round 2 | EDMONDS | 11 | 4♥ | ♠7 | +1 | -1 |
| -2.6 | Round 2 | EDMONDS | 17 | 2♠ | ♥6 | +1 | -6 |
| -2.6 | Round 6 | ADA | 27 | 1NT | ♣Q | = | -5 |
| -2.6 | Round 8 | BELUGALIA | 20 | 2♣ | ♥K | +2 | +0 |
| -2.7 | Round 1 | BLACKY | 8 | 2♥ | ♣4 | +1 | +0 |
| -2.7 | Round 4 | ROSENTHAL | 7 | 4♠ | ♠A | -1 | +12 |
| -2.7 | Round 4 | ROSENTHAL | 10 | 2♠ | ♣K | = | -6 |
| -2.9 | Round 5 | APAHEILI | 13 | 4♥ | ♣Q | = | +0 |
| -3.0 | Round 5 | APAHEILI | 18 | 4♥ | ♠A | -2 | +0 |
| -3.0 | Round 9 | EPSILON | 25 | 4♠ | ♥K | = | +0 |
| -3.2 | Round 9 | EPSILON | 23 | 1NT | ♦7 | -2 | -3 |
| -3.4 | Round 7 | GILLIS | 4 | 4♥ | ♣Q | +1 | +0 |
| -3.8 | Round 9 | EPSILON | 22 | 5♦ | ♣4 | +2 | +10 |
| -4.3 | Round 2 | EDMONDS | 16 | 3♣ | ♥4 | -3 | -5 |
| -4.3 | Round 6 | ADA | 22 | 3NT | ♥3 | = | -6 |
| -4.3 | Round 9 | EPSILON | 24 | 4♥ | ♠10 | = | +0 |
| -4.6 | Round 7 | GILLIS | 3 | 1♦ | ♣10 | +1 | -6 |
| -5.0 | Round 6 | ADA | 30 | 3♥x | ♦K | -2 | -12 |
| -5.1 | Round 1 | BLACKY | 7 | 3♥ | ♣2 | -1 | -1 |
| -5.6 | Round 8 | BELUGALIA | 19 | 4♠ | ♣7 | +1 | -7 |
| -5.9 | Round 4 | ROSENTHAL | 1 | 4♠ | ♦10 | +1 | -11 |
| -6.3 | Round 6 | ADA | 29 | 2♥ | ♣3 | +3 | -10 |
| -6.8 | Round 4 | ROSENTHAL | 9 | 6♦ | ♣3 | = | +2 |
| -7.1 | Round 3 | ROBINSON | 29 | 4♠ | ♠2 | -1 | -12 |
| -7.8 | Round 3 | ROBINSON | 23 | 4♣ | ♠8 | +1 | -11 |
| -7.8 | Round 10 | XYZ | 7 | 1NTx | ♦3 | -2 | -9 |
| -8.5 | Round 5 | APAHEILI | 15 | 4♥ | ♥5 | +1 | +0 |
| -8.7 | Round 4 | ROSENTHAL | 3 | 6♥ | ♣A | = | +0 |
| -9.3 | Round 7 | GILLIS | 6 | 6♥ | ♦A | = | +0 |
| -9.7 | Round 3 | ROBINSON | 26 | 6♥ | ♣2 | +1 | -1 |
| -10.3 | Round 2 | EDMONDS | 20 | 6NT | ♠7 | -1 | -17 |
| -12.3 | Round 6 | ADA | 21 | 5♦x | ♦8 | = | -6 |
| -12.5 | Round 3 | ROBINSON | 28 | 2♠x | ♦K | = | -11 |