KORBEL Daniel · COACH K
268rank
-7.4Butler · 100 bds
-0.07per board
±4.4swing
-0.06vs par /bd · #265/478
+0.05adjusted /bd
by round
vs par split: bidding -0.36 · play +0.30
Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted +0.05/bd
Card play — on target: opening leads 75.0% #222 of 476 · declarer play 80.0% #194 of 478 · defence 80.4% #381 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 54.5% (11) | 85.7% (21) |
| Declarer play | 70.0% (10) | 86.7% (15) |
| Defence | 78.9% (19) | 81.2% (32) |
Opening leads by suit led: ♠ 83.3% (6) · ♥ 55.6% (9) · ♦ 100.0% (6) · ♣ 72.7% (11)
vs par by strain: NT +0.71 (35) · a suit -0.48 (65)
vs par by level: part-score +0.11 (46) · game +0.11 (46) · slam -2.00 (8)
By role: declaring +0.73/bd (-1.08 vs par · 49) · defending -0.85/bd (+0.92 vs par · 51)
By vulnerability: vulnerable -0.23/bd (-0.36 vs par · 50) · not vulnerable +0.08/bd (+0.24 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Shi | J.Verhees – R.Van Prooijen | Closed | 10 | -4.5 | -0.45 | -3.50 |
| Round 2 | S.Shi | C.Barrientos – S.Figueroa | Closed | 10 | +14.6 | +1.46 | +2.20 |
| Round 3 | S.Shi | F.Piedra – B.Igla | Closed | 10 | +3.0 | +0.30 | +1.20 |
| Round 4 | S.Shi | M.Dunitz – L.Stansby | Closed | 10 | -4.0 | -0.40 | +0.10 |
| Round 5 | S.Shi | Z.Grossack – A.Grossack | Open | 10 | -21.2 | -2.12 | -0.60 |
| Round 6 | S.Shi | A.Lo – F.Baseggio | Open | 10 | +7.7 | +0.77 | -1.70 |
| Round 7 | S.Shi | W.Spector – G.Wolpert | Open | 10 | +8.0 | +0.80 | -0.70 |
| Round 8 | S.Shi | P.Saporta – R.Saporta-Tworzydlo | Closed | 10 | +14.5 | +1.45 | +3.90 |
| Round 9 | S.Shi | G.Brekka – O.Saur | Open | 10 | -20.6 | -2.06 | -2.90 |
| Round 10 | S.Shi | M.Klukowski – P.Gawrys | Closed | 10 | -4.9 | -0.49 | +1.40 |
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 |
|---|---|---|---|---|---|---|---|
| +12.5 | Round 2 | JUAN VALDEZ | 15 | 4♠x | ♥K | = | +14 |
| +12.3 | Round 7 | SPECTOR | 13 | 7♠ | ♥J | = | +15 |
| +8.7 | Round 3 | VENTIN | 2 | 4♠ | ♦J | = | +8 |
| +8.6 | Round 4 | ROBINSON | 14 | 4♠ | ♥8 | -3 | +11 |
| +7.3 | Round 1 | TULIN | 6 | 3♦ | ♣4 | +1 | +11 |
| +6.9 | Round 8 | GUADELOUPE | 1 | 4♠ | ♥Q | -2 | +6 |
| +5.4 | Round 8 | GUADELOUPE | 7 | 3NT | ♣Q | -1 | +12 |
| +5.1 | Round 8 | GUADELOUPE | 8 | 4♠ | ♠3 | = | +7 |
| +5.1 | Round 10 | ZIMMERMANN | 23 | 5♣ | ♠10 | -1 | +6 |
| +4.9 | Round 2 | JUAN VALDEZ | 11 | 1NT | ♠9 | = | +5 |
| +4.8 | Round 6 | BASEGGIO | 10 | 2NT | ♦Q | = | +0 |
| +4.4 | Round 6 | BASEGGIO | 9 | 1NTx | ♠5 | -1 | +3 |
| +4.1 | Round 3 | VENTIN | 5 | 2NT | ♠5 | -4 | +3 |
| +3.8 | Round 1 | TULIN | 3 | 6♠ | ♠3 | +1 | -11 |
| +3.7 | Round 4 | ROBINSON | 17 | 3♣ | ♦5 | +2 | +7 |
| +3.7 | Round 9 | GILLIS | 16 | 5♠x | ♥2 | -3 | +7 |
| +3.6 | Round 7 | SPECTOR | 19 | 4♥ | ♥3 | = | +0 |
| +3.5 | Round 2 | JUAN VALDEZ | 19 | 3♥ | ♦A | -2 | +13 |
| +3.1 | Round 7 | SPECTOR | 15 | 4♥ | ♦6 | +2 | +2 |
| +3.1 | Round 8 | GUADELOUPE | 4 | 4♥ | ♠9 | -1 | +6 |
| +3.1 | Round 10 | ZIMMERMANN | 22 | 2♥ | ♠Q | +3 | +10 |
| +2.9 | Round 4 | ROBINSON | 13 | 2NT | ♥2 | -1 | +6 |
| +2.9 | Round 5 | JUSTER | 26 | 3♥ | ♠J | -2 | +2 |
| +2.8 | Round 3 | VENTIN | 8 | 1NT | ♦9 | +1 | +1 |
| +2.7 | Round 7 | SPECTOR | 11 | 2NT | ♥3 | = | +0 |
| +2.4 | Round 2 | JUAN VALDEZ | 14 | 2♥ | ♣5 | = | +5 |
| +2.4 | Round 8 | GUADELOUPE | 6 | 3NT | ♣6 | +2 | +2 |
| +2.2 | Round 6 | BASEGGIO | 3 | 2♠ | ♥J | +1 | +0 |
| +1.9 | Round 1 | TULIN | 2 | 3♥ | ♦10 | = | +0 |
| +1.9 | Round 3 | VENTIN | 1 | 2NT | ♣5 | = | +0 |
| +1.9 | Round 9 | GILLIS | 11 | 3NT | ♣Q | = | -1 |
| +1.8 | Round 7 | SPECTOR | 17 | 2♥ | ♦J | = | +0 |
| +1.7 | Round 6 | BASEGGIO | 6 | 3♦ | ♥3 | = | +0 |
| +1.6 | Round 8 | GUADELOUPE | 3 | 3NT | ♦10 | -1 | +12 |
| +1.6 | Round 8 | GUADELOUPE | 10 | 3NT | ♠9 | -1 | +0 |
| +1.6 | Round 10 | ZIMMERMANN | 28 | 2♠ | ♣7 | = | +0 |
| +1.4 | Round 6 | BASEGGIO | 5 | 4♠ | ♥10 | -2 | +0 |
| +1.4 | Round 9 | GILLIS | 12 | 6NT | ♣3 | = | +0 |
| +1.2 | Round 7 | SPECTOR | 12 | 3♣ | ♥Q | +2 | +1 |
| +1.0 | Round 2 | JUAN VALDEZ | 12 | 1♠ | ♦K | +2 | +0 |
| +0.8 | Round 5 | JUSTER | 29 | 4NT | ♦5 | +1 | +0 |
| +0.8 | Round 10 | ZIMMERMANN | 25 | 3NT | ♥J | +2 | +0 |
| +0.7 | Round 6 | BASEGGIO | 4 | 3♦ | ♥K | +2 | -10 |
| +0.7 | Round 6 | BASEGGIO | 7 | 3♣ | ♥5 | +1 | +0 |
| +0.4 | Round 1 | TULIN | 10 | 4♥ | ♠4 | +1 | +0 |
| +0.4 | Round 4 | ROBINSON | 16 | 1NT | ♥5 | -1 | +0 |
| +0.4 | Round 5 | JUSTER | 22 | 2♠ | ♥3 | = | +0 |
| +0.1 | Round 2 | JUAN VALDEZ | 18 | 3NT | ♠Q | +1 | +0 |
| +0.1 | Round 9 | GILLIS | 20 | 3NT | ♥7 | +2 | -13 |
| +0.0 | Round 1 | TULIN | 5 | 2♦ | ♠2 | -1 | -5 |
| -0.0 | Round 5 | JUSTER | 30 | 4♠ | ♣8 | = | +0 |
| -0.1 | Round 3 | VENTIN | 7 | 3NT | ♠Q | +1 | +0 |
| -0.1 | Round 3 | VENTIN | 10 | 4♥ | ♦A | -2 | +8 |
| -0.3 | Round 8 | GUADELOUPE | 2 | 1NT | ♥6 | +1 | +7 |
| -0.4 | Round 5 | JUSTER | 25 | 3NT | ♥5 | +1 | +0 |
| -0.4 | Round 9 | GILLIS | 19 | 1NT | ♥Q | +1 | +0 |
| -0.6 | Round 10 | ZIMMERMANN | 29 | 3NT | ♥4 | = | -1 |
| -0.7 | Round 2 | JUAN VALDEZ | 13 | 4♥ | ♦J | +1 | +0 |
| -0.7 | Round 8 | GUADELOUPE | 9 | 2♠ | ♣3 | +1 | +0 |
| -0.8 | Round 7 | SPECTOR | 20 | 2♠ | ♦A | +1 | +0 |
| -1.0 | Round 3 | VENTIN | 9 | 3NT | ♦4 | +1 | +0 |
| -1.0 | Round 4 | ROBINSON | 18 | 2♥ | ♣6 | +1 | -1 |
| -1.1 | Round 5 | JUSTER | 24 | 6♦ | ♣K | = | +2 |
| -1.2 | Round 1 | TULIN | 1 | 3♠ | ♥J | = | +0 |
| -1.2 | Round 10 | ZIMMERMANN | 24 | 6NT | ♠J | = | +0 |
| -1.4 | Round 10 | ZIMMERMANN | 30 | 2♥ | ♠10 | = | +0 |
| -1.5 | Round 2 | JUAN VALDEZ | 16 | 5♠ | ♦A | = | -11 |
| -1.5 | Round 7 | SPECTOR | 18 | 3NT | ♦J | +2 | +0 |
| -1.7 | Round 1 | TULIN | 4 | 5♦ | ♥8 | +1 | -10 |
| -1.8 | Round 6 | BASEGGIO | 2 | 4♠x | ♣3 | -2 | -5 |
| -1.8 | Round 9 | GILLIS | 13 | 3NT | ♣9 | +2 | +0 |
| -1.8 | Round 10 | ZIMMERMANN | 21 | 3NT | ♣2 | +1 | -1 |
| -2.1 | Round 9 | GILLIS | 17 | 4♥ | ♠3 | = | +1 |
| -2.2 | Round 3 | VENTIN | 3 | 1NT | ♥3 | -2 | +1 |
| -2.4 | Round 3 | VENTIN | 6 | 3♣ | ♥4 | = | +0 |
| -2.6 | Round 4 | ROBINSON | 12 | 3♦ | ♣7 | = | -5 |
| -2.8 | Round 4 | ROBINSON | 11 | 3♠ | ♦A | = | -7 |
| -2.9 | Round 1 | TULIN | 8 | 3♦ | ♣5 | -2 | -8 |
| -3.1 | Round 6 | BASEGGIO | 1 | 2♠ | ♣2 | -2 | +0 |
| -3.3 | Round 1 | TULIN | 7 | 3NT | ♠6 | +1 | -1 |
| -3.3 | Round 6 | BASEGGIO | 8 | 2♥ | ♣3 | = | -5 |
| -3.5 | Round 2 | JUAN VALDEZ | 17 | 3NT | ♠7 | +3 | -2 |
| -3.5 | Round 5 | JUSTER | 28 | 2♠ | ♥Q | = | -5 |
| -3.5 | Round 9 | GILLIS | 18 | 4♠ | ♥4 | -1 | -6 |
| -3.6 | Round 10 | ZIMMERMANN | 26 | 3NT | ♥10 | = | +0 |
| -4.0 | Round 4 | ROBINSON | 19 | 4♥ | ♥10 | -1 | -5 |
| -4.0 | Round 5 | JUSTER | 27 | 1♦x | ♣5 | = | +0 |
| -4.1 | Round 2 | JUAN VALDEZ | 20 | 3♣ | ♦A | -2 | -2 |
| -4.4 | Round 4 | ROBINSON | 20 | 1NT | ♥3 | +2 | -2 |
| -4.8 | Round 4 | ROBINSON | 15 | 5♠x | ♣5 | -2 | -3 |
| -5.7 | Round 5 | JUSTER | 21 | 6♣ | ♥3 | = | +2 |
| -5.9 | Round 7 | SPECTOR | 14 | 4♠ | ♥3 | +2 | -11 |
| -6.9 | Round 10 | ZIMMERMANN | 27 | 4♥ | ♥2 | = | +0 |
| -8.3 | Round 9 | GILLIS | 14 | 3NT | ♦8 | = | -6 |
| -8.5 | Round 7 | SPECTOR | 16 | 5♠ | ♠3 | +1 | -14 |
| -8.7 | Round 3 | VENTIN | 4 | 3♦x | ♥A | -2 | -9 |
| -8.8 | Round 1 | TULIN | 9 | 3♥ | ♦3 | = | -11 |
| -10.6 | Round 5 | JUSTER | 23 | 4♠x | ♣5 | = | -7 |
| -10.6 | Round 8 | GUADELOUPE | 5 | 6♣ | ♦A | -1 | -13 |
| -11.6 | Round 9 | GILLIS | 15 | 6♠ | ♦K | = | -11 |