KOVACHEV Valentin · BULGARIAN ALL STARS
vs par split: bidding -1.71 · play +0.62
Strength of schedule: opponents averaged -0.55/bd (an easy draw) → opponent-adjusted -1.27/bd
Card play — on target: opening leads 58.3% #280 of 310 · declarer play 73.3% #181 of 310 · defence 85.2% #157 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 50.0% (10) |
| Declarer play | 50.0% (2) | 76.9% (13) |
| Defence | 85.7% (7) | 85.0% (20) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 83.3% (6) · ♦ 50.0% (2) · ♣ 0.0% (2)
vs par by strain: NT -2.07 (15) · a suit -0.72 (40)
vs par by level: part-score -1.89 (26) · game +0.61 (26) · slam -9.00 (3)
By role: declaring -0.69/bd (-3.21 vs par · 29) · defending -0.76/bd (+1.33 vs par · 27)
By vulnerability: vulnerable -0.80/bd (-2.36 vs par · 28) · not vulnerable -0.64/bd (+0.32 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | V.Isporski | K.Mak – W.Lai | Closed | 7 | -7.8 | -1.11 | -1.00 |
| Round 2 | V.Isporski | S.Sunderram – P.Sridharan | Open | 7 | -5.2 | -0.74 | -3.43 |
| Round 3 | V.Isporski | C.Fernand – R.Karunatilake | Closed | 7 | -13.8 | -1.97 | -2.43 |
| Round 4 | V.Isporski | B.Senior – N.Senior | Closed | 7 | +0.1 | +0.01 | +1.57 |
| Round 5 | V.Isporski | O.Berset – G.Tislevoll | Open | 7 | -29.9 | -4.27 | -5.29 |
| Round 6 | V.Isporski | J.Wang – J.Gu | Closed | 7 | +5.8 | +0.83 | +1.57 |
| Round 7 | V.Isporski | K.Nabil – T.Sadek | Open | 7 | +26.1 | +3.73 | +3.43 |
| Round 8 | V.Isporski | J.He – P.Ouyang | Closed | 7 | -15.6 | -2.23 | -2.57 |
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 |
|---|---|---|---|---|---|---|---|
| +9.5 | Round 7 | HUSSEIN | 18 | 6NT | ♥2 | +1 | +1 |
| +9.3 | Round 7 | HUSSEIN | 15 | 4♠ | ♠6 | = | +0 |
| +8.3 | Round 7 | HUSSEIN | 21 | 4♠ | ♦6 | +2 | +11 |
| +6.5 | Round 2 | TEXAN ACES | 9 | 4♠ | ♦Q | -2 | +8 |
| +6.4 | Round 2 | TEXAN ACES | 12 | 5♣x | ♠K | -2 | +5 |
| +5.7 | Round 6 | P D TRANSNATIONAL | 13 | 4♠ | ♥J | -2 | +7 |
| +5.4 | Round 3 | BLADES | 16 | 4♥ | ♣6 | = | +0 |
| +5.1 | Round 8 | YUFENG ELECTRIC POWER BRIDGE T | 22 | 3♠ | ♥Q | -2 | +8 |
| +3.9 | Round 4 | PENFOLD | 24 | 2♠ | ♥K | -2 | +5 |
| +3.6 | Round 6 | P D TRANSNATIONAL | 8 | 1NT | ♦K | = | +5 |
| +3.3 | Round 6 | P D TRANSNATIONAL | 9 | 4♥x | ♦K | -1 | +7 |
| +3.2 | Round 2 | TEXAN ACES | 14 | 2♠ | ♦J | +1 | +1 |
| +2.9 | Round 7 | HUSSEIN | 16 | 4♠ | ♦Q | -1 | +5 |
| +2.7 | Round 3 | BLADES | 18 | 3♠ | ♣K | -3 | +6 |
| +2.0 | Round 6 | P D TRANSNATIONAL | 10 | 1NT | ♠2 | +2 | +1 |
| +1.7 | Round 3 | BLADES | 17 | 2♠ | ♣8 | +2 | -4 |
| +1.3 | Round 4 | PENFOLD | 26 | 2♥ | ♠7 | = | +0 |
| +1.1 | Round 1 | HK ZEN | 6 | 1NT | ♠4 | +2 | +10 |
| +1.0 | Round 5 | SILVERFOX | 6 | 6NT | ♦Q | = | -11 |
| +0.9 | Round 2 | TEXAN ACES | 8 | 1NT | ♠3 | +1 | +0 |
| +0.9 | Round 7 | HUSSEIN | 20 | Pass | +3 | ||
| +0.9 | Round 8 | YUFENG ELECTRIC POWER BRIDGE T | 28 | 4♠ | ♦J | = | +3 |
| +0.5 | Round 1 | HK ZEN | 4 | 2♥ | ♦4 | +2 | -10 |
| +0.2 | Round 6 | P D TRANSNATIONAL | 12 | 5♥ | ♠4 | = | +0 |
| +0.1 | Round 4 | PENFOLD | 25 | 3NT | ♥J | = | +0 |
| +0.0 | Round 1 | HK ZEN | 5 | 3♠ | ♠4 | -1 | +1 |
| -0.0 | Round 4 | PENFOLD | 23 | 3♣ | ♠3 | +2 | +0 |
| +0.0 | Round 4 | PENFOLD | 27 | 4♠ | ♥4 | +1 | +11 |
| +0.0 | Round 4 | PENFOLD | 28 | 3♠x | ♠3 | -2 | -5 |
| -0.1 | Round 5 | SILVERFOX | 1 | 4♥ | ♣K | = | -1 |
| -0.3 | Round 3 | BLADES | 15 | 4♥ | ♠10 | +2 | +11 |
| -0.9 | Round 7 | HUSSEIN | 19 | 1NT | ♣3 | -2 | +1 |
| -1.4 | Round 5 | SILVERFOX | 2 | 2♠ | ♥K | +1 | +0 |
| -1.7 | Round 1 | HK ZEN | 3 | 3♠ | ♣K | -2 | +1 |
| -1.8 | Round 6 | P D TRANSNATIONAL | 11 | 3♣ | ♥6 | = | +0 |
| -1.9 | Round 1 | HK ZEN | 7 | 4♥ | ♦6 | -1 | +1 |
| -2.1 | Round 5 | SILVERFOX | 4 | 4♠ | ♠8 | -1 | -6 |
| -2.4 | Round 1 | HK ZEN | 1 | 3NT | ♥4 | = | +1 |
| -2.7 | Round 8 | YUFENG ELECTRIC POWER BRIDGE T | 23 | 3♣ | ♠K | +1 | -1 |
| -3.1 | Round 8 | YUFENG ELECTRIC POWER BRIDGE T | 27 | 3♠ | ♥4 | +2 | -6 |
| -3.2 | Round 5 | SILVERFOX | 3 | 3NT | ♦J | +1 | -1 |
| -3.4 | Round 1 | HK ZEN | 2 | 2♦ | ♠4 | +1 | -11 |
| -3.4 | Round 8 | YUFENG ELECTRIC POWER BRIDGE T | 26 | 1NT | ♥2 | +2 | -10 |
| -3.6 | Round 3 | BLADES | 21 | 3♦ | ♣10 | -1 | -11 |
| -3.9 | Round 7 | HUSSEIN | 17 | 4♥x | ♠6 | -2 | +3 |
| -4.1 | Round 8 | YUFENG ELECTRIC POWER BRIDGE T | 25 | 4♥ | ♠A | -1 | -5 |
| -4.4 | Round 2 | TEXAN ACES | 13 | 4♠ | ♥4 | +3 | -17 |
| -5.2 | Round 4 | PENFOLD | 22 | 3NT | ♦2 | = | +0 |
| -5.6 | Round 2 | TEXAN ACES | 11 | 3♥ | ♣3 | = | -6 |
| -7.2 | Round 6 | P D TRANSNATIONAL | 14 | 1NTx | ♥A | -3 | -9 |
| -8.3 | Round 8 | YUFENG ELECTRIC POWER BRIDGE T | 24 | 3NT | ♣9 | +1 | -7 |
| -9.0 | Round 3 | BLADES | 19 | 5♠x | ♣K | -1 | -7 |
| -9.0 | Round 5 | SILVERFOX | 5 | 4♠ | ♥7 | +1 | -1 |
| -10.7 | Round 3 | BLADES | 20 | 3NTx | ♠9 | = | -12 |
| -12.2 | Round 2 | TEXAN ACES | 10 | 2♠x | ♣K | = | -15 |
| -15.1 | Round 5 | SILVERFOX | 7 | 7♥x | ♠A | -1 | -17 |