C1: Champion John Snedden (1 win, 48 points.)
C2: Challenger Amey Deshpande.
DC: Susie Dent and Joan Bakewell.
CV: Carol Vorderman.
OT: Other words or solutions.
R01: G R T A I U G O V
R02: L X E I M E G P U
R03: S T Z M O E A S H
R04: 75, 6, 2, 8, 2, 7. Target: 591.
R05: T O G R I Y L E A
R06: S F D E U E T L R
R07: T L R O A N S I E
R08: 75, 3, 1, 4, 10, 7. Target: 143.
R09: G N A T E F F I C (conundrum)
And now a brief interlude before our main feature:
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Enjoy the show.
Round 1: G R T A I U G O V
C1: RAGOUT (6)
C2: GRIT (4)
OT: AGOUTI (6) GIAOUR (6) GUITAR (6) VIGOUR (6) VIRAGO (6)
Score: 6–0 (max 6)
Round 2: L X E I M E G P U
C1: EXILE (5)
C2: PLUME (5)
DC: MEGILP (6)
OT: GUIMPE (6) LEGUME (6)
Score: 11–5 (max 12)
Round 3: S T Z M O E A S H
C1: STEAMS (6)
C2: MASHES (6)
OT: MATZOHS (7)
Score: 17–11 (max 19)
Round 4: 75, 6, 2, 8, 2, 7. Target: 591.
C1: 591. (75 x 8) - (7 + 2) (10)
C2: 591. (75 x 8) - (7 + 2) (10)
Score: 27–21 (max 29)
Round 5: T O G R I Y L E A
C1: GREATLY (7)
C2: GREATLY (7)
DC: TRILOGY (7) REGALITY (8)
Score: 34–28 (max 37)
Round 6: S F D E U E T L R
C1: FLUSTERED (18)
C2: DUSTER (6)
Score: 52–28 (max 55)
Round 7: T L R O A N S I E
C1: RELATIONS (18)
C2: LATRINES (8)
DC: ORIENTALS (18)
OT: TENSORIAL (18)
Score: 70–28 (max 73)
Round 8: 75, 3, 1, 4, 10, 7. Target: 143.
C1: 143. 75 x (3 - 1) - 7 (10)
C2: 143. 75 x (3 - 1) - 7 (10)
Score: 80–38 (max 83)

Round 9: G N A T E F F I C
C2 buzzes on 6 seconds to say EFFACTING which is incorrect.
C1 does not buzz.
The answer was AFFECTING.
Score: 80–38 (max 93)

Nearly highest score ever

Further summaries are at:
http://www.apterous.org/cdb/series.php?series=42