PROKHOROV Dmitri · RUSSIAN CHAMPIONS
36rank
-13.1Butler · 70 bds
-0.19per board
±4.4swing
-0.60vs par /bd · #48/61
-0.13adjusted /bd
by round
vs par split: bidding +0.23 · play -0.83
Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted -0.13/bd
Card play — on target: opening leads 76.5% #30 of 61 · declarer play 72.7% #35 of 61 · defence 77.8% #52 of 61
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 70.0% (10) | 85.7% (7) |
| Declarer play | 83.3% (6) | 68.8% (16) |
| Defence | 90.9% (11) | 72.0% (25) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 71.4% (7) · ♦ 50.0% (4) · ♣ 100.0% (2)
vs par by strain: NT +0.23 (22) · a suit -0.98 (48)
vs par by level: part-score +0.77 (26) · game -1.05 (43) · slam -17.00 (1)
By role: declaring -0.35/bd (-0.85 vs par · 34) · defending -0.03/bd (-0.36 vs par · 36)
By vulnerability: vulnerable +0.50/bd (+0.32 vs par · 37) · not vulnerable -0.96/bd (-1.64 vs par · 33)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | A.Voronov | M.Eidi – V.Vroustis | Closed | 10 | +11.9 | +1.19 | -0.60 |
| Round 3 | A.Voronov | M.Klukowski – P.Gawrys | Open | 10 | -29.1 | -2.91 | -3.70 |
| Round 4 | A.Voronov | L.Lauria – A.Versace | Closed | 10 | -25.5 | -2.55 | -0.90 |
| Round 6 | A.Voronov | M.Schollaardt – M.Groenenboom | Open | 10 | +37.7 | +3.77 | +3.50 |
| Round 8 | A.Voronov | I.Coldea – R.Spiridonescu | Closed | 10 | +3.9 | +0.39 | +2.10 |
| Round 9 | A.Voronov | M.Barel – Y.Zack | Closed | 10 | -21.5 | -2.15 | -2.90 |
| Round 11 | A.Voronov | K.Ahlesved – N.Warne | Open | 10 | +9.5 | +0.95 | -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 |
|---|---|---|---|---|---|---|---|
| +9.7 | Round 1 | ATHENS BRIDGE CLUB | 10 | 5♥ | ♥2 | -1 | +5 |
| +9.5 | Round 6 | HET WITTE HUIS | 25 | 4NTx | ♥K | = | +5 |
| +8.9 | Round 6 | HET WITTE HUIS | 23 | 3NT | ♥2 | -4 | +7 |
| +7.2 | Round 6 | HET WITTE HUIS | 30 | 4♦ | ♣A | -5 | -2 |
| +5.9 | Round 11 | UPPSALABRIDGEN | 11 | 3♥ | ♠5 | +1 | +2 |
| +4.9 | Round 6 | HET WITTE HUIS | 22 | 2♠ | ♥8 | +2 | +13 |
| +4.9 | Round 9 | ISRAELI CHAMPIONS | 29 | 3NT | ♥10 | -2 | +8 |
| +4.5 | Round 6 | HET WITTE HUIS | 24 | 4♥x | ♠J | -2 | +9 |
| +4.3 | Round 11 | UPPSALABRIDGEN | 18 | 3♠ | ♥J | = | +7 |
| +4.2 | Round 8 | BRIDGE CLUB BRASOV | 15 | 4♥ | ♣A | = | +0 |
| +4.0 | Round 11 | UPPSALABRIDGEN | 12 | 4♥x | ♣A | -2 | -14 |
| +3.5 | Round 1 | ATHENS BRIDGE CLUB | 4 | 2NT | ♦6 | -1 | +5 |
| +3.4 | Round 8 | BRIDGE CLUB BRASOV | 17 | 3NT | ♦10 | +1 | +7 |
| +3.2 | Round 8 | BRIDGE CLUB BRASOV | 12 | 4♣ | ♠9 | -1 | +4 |
| +3.0 | Round 1 | ATHENS BRIDGE CLUB | 6 | 1NT | ♣5 | = | -1 |
| +2.8 | Round 11 | UPPSALABRIDGEN | 19 | 3NT | ♥A | +1 | +0 |
| +2.6 | Round 4 | CANOTTIERI OLONA | 5 | 2♥ | ♦J | = | +6 |
| +2.6 | Round 6 | HET WITTE HUIS | 28 | 3♥ | ♣5 | = | -2 |
| +2.6 | Round 8 | BRIDGE CLUB BRASOV | 18 | 3♥ | ♦6 | +1 | -1 |
| +2.3 | Round 9 | ISRAELI CHAMPIONS | 21 | 3NT | ♥4 | = | +2 |
| +1.9 | Round 11 | UPPSALABRIDGEN | 14 | 4♠ | ♦7 | = | -1 |
| +1.8 | Round 1 | ATHENS BRIDGE CLUB | 1 | 2♥ | ♦A | +2 | +1 |
| +1.8 | Round 6 | HET WITTE HUIS | 29 | 4♥ | ♣A | = | +0 |
| +1.6 | Round 1 | ATHENS BRIDGE CLUB | 7 | 3NT | ♥2 | = | +1 |
| +1.0 | Round 3 | MONACO FMB | 27 | 3♥ | ♦K | = | +0 |
| +0.9 | Round 3 | MONACO FMB | 29 | 3NT | ♥8 | = | +1 |
| +0.8 | Round 11 | UPPSALABRIDGEN | 13 | 3NT | ♠4 | = | +0 |
| +0.5 | Round 6 | HET WITTE HUIS | 27 | 3NT | ♠8 | -1 | +4 |
| +0.4 | Round 3 | MONACO FMB | 26 | 4♠ | ♦J | = | +0 |
| +0.4 | Round 6 | HET WITTE HUIS | 26 | 3NT | ♣6 | +2 | +0 |
| +0.4 | Round 9 | ISRAELI CHAMPIONS | 24 | 1NT | ♣6 | -1 | +2 |
| +0.2 | Round 4 | CANOTTIERI OLONA | 4 | 4♠ | ♥A | = | +9 |
| +0.1 | Round 3 | MONACO FMB | 30 | 1NT | ♥9 | -1 | +1 |
| -0.0 | Round 4 | CANOTTIERI OLONA | 7 | 4♥ | ♣K | -1 | +6 |
| +0.0 | Round 8 | BRIDGE CLUB BRASOV | 16 | 4♥ | ♣10 | -1 | -5 |
| -0.1 | Round 1 | ATHENS BRIDGE CLUB | 5 | 4♠ | ♣3 | +1 | -8 |
| -0.1 | Round 3 | MONACO FMB | 25 | 3NT | ♦J | -1 | -5 |
| -0.2 | Round 4 | CANOTTIERI OLONA | 3 | 3♦ | ♣3 | = | +1 |
| -0.5 | Round 1 | ATHENS BRIDGE CLUB | 9 | 4♥ | ♦A | = | +0 |
| -0.5 | Round 4 | CANOTTIERI OLONA | 10 | 4♠ | ♣6 | +1 | +0 |
| -0.5 | Round 8 | BRIDGE CLUB BRASOV | 11 | 2NT | ♦5 | +1 | +1 |
| -0.5 | Round 8 | BRIDGE CLUB BRASOV | 14 | 3♥ | ♠Q | -1 | +8 |
| -0.6 | Round 1 | ATHENS BRIDGE CLUB | 2 | 2♠ | ♦K | -1 | +2 |
| -0.6 | Round 9 | ISRAELI CHAMPIONS | 26 | 2♥ | ♣6 | +1 | +0 |
| -0.7 | Round 11 | UPPSALABRIDGEN | 16 | 4♥ | ♦A | +1 | +0 |
| -0.8 | Round 8 | BRIDGE CLUB BRASOV | 20 | 3♦ | ♣K | -2 | +7 |
| -0.9 | Round 1 | ATHENS BRIDGE CLUB | 8 | 4♠ | ♦Q | +1 | -11 |
| -1.0 | Round 3 | MONACO FMB | 21 | 4♥ | ♣10 | = | -1 |
| -1.2 | Round 3 | MONACO FMB | 23 | 3♦x | ♣6 | -1 | -2 |
| -1.3 | Round 9 | ISRAELI CHAMPIONS | 27 | 3NT | ♥3 | +1 | -1 |
| -2.1 | Round 9 | ISRAELI CHAMPIONS | 22 | 3♦ | ♦6 | -3 | -6 |
| -2.4 | Round 8 | BRIDGE CLUB BRASOV | 19 | 4♠x | ♦Q | -1 | +0 |
| -2.6 | Round 6 | HET WITTE HUIS | 21 | 3♦ | ♥A | = | +1 |
| -2.9 | Round 11 | UPPSALABRIDGEN | 17 | 4♠ | ♦Q | +1 | +0 |
| -3.1 | Round 11 | UPPSALABRIDGEN | 15 | 5♣x | ♠A | -2 | -8 |
| -3.3 | Round 4 | CANOTTIERI OLONA | 9 | 1NT | ♦3 | = | -5 |
| -3.5 | Round 11 | UPPSALABRIDGEN | 20 | 4♥ | ♠6 | = | -3 |
| -4.5 | Round 4 | CANOTTIERI OLONA | 6 | 4♥ | ♣Q | = | +1 |
| -4.6 | Round 9 | ISRAELI CHAMPIONS | 30 | 4♥ | ♣9 | = | -7 |
| -4.7 | Round 9 | ISRAELI CHAMPIONS | 28 | 4♠x | ♠2 | = | -5 |
| -4.8 | Round 9 | ISRAELI CHAMPIONS | 23 | 4♣ | ♥A | = | -13 |
| -5.3 | Round 8 | BRIDGE CLUB BRASOV | 13 | 4♠ | ♦A | = | +0 |
| -5.5 | Round 4 | CANOTTIERI OLONA | 8 | 3♦ | ♠K | = | -9 |
| -5.6 | Round 1 | ATHENS BRIDGE CLUB | 3 | 4♠ | ♦J | = | +0 |
| -6.5 | Round 4 | CANOTTIERI OLONA | 1 | 3NT | ♠Q | -4 | -8 |
| -7.4 | Round 3 | MONACO FMB | 24 | 4♥x | ♠K | -1 | -5 |
| -7.8 | Round 4 | CANOTTIERI OLONA | 2 | 3NT | ♣3 | +3 | -10 |
| -8.8 | Round 3 | MONACO FMB | 22 | 3NTx | ♥Q | -2 | -9 |
| -11.0 | Round 9 | ISRAELI CHAMPIONS | 25 | 5♥x | ♣A | -3 | -9 |
| -13.0 | Round 3 | MONACO FMB | 28 | 6♥ | ♣Q | -1 | -17 |