
Kaoru Mitoma scored a late winner for the second game running as Brighton edged past Bournemouth at Amex Stadium.
Mitoma, whose stoppage-time goal earned victory over Liverpool in the FA Cup last weekend, steered a header past Cherries goalkeeper Neto with three minutes remaining to spark joyous scenes among the home supporters.
Deniz Undav should have put the home side ahead in the first half, shooting against the post from close range after being denied twice in quick succession by blocks from Chris Mepham and Neto.
Jefferson Lerma shot wide from Jaidon Anthony's cross as Bournemouth began to grow into the contest, but the hosts continued to carve out the better openings and twice went close through Danny Welbeck before half-time.
Billy Gilmour fired into the side-netting and Cherries debutant Antoine Semenyo had a shot blocked by the retreating Pervis Estupinan in a delicately poised second half, before Mitoma's late header broke the visitors' hearts.
Brighton manager Roberto de Zerbi left Moises Caicedo out of his starting line-up after the Ecuadorian midfielder's attempts to force a move away from the club during the January transfer window.
The Seagulls climb to sixth, while Bournemouth are 19th after Everton's victory over Arsenal in Saturday's early game.
Follow live text commentary of Brighton v Bournemouth and Saturday's other Premier League gamesHow did you rate Brighton's performance? Have your say hereWhat did you make of Bournemouth's display? Send us your views hereMitoma the hero again
Caicedo's omission meant Brighton started a league game without either the Ecuadorian or the suspended Alexis Mac Allister for only the second time this season, the other occasion being the 4-2 defeat at home to Arsenal on 31 December.
The Seagulls, who were also without in-form teenager Evan Ferguson through injury, looked set to draw a blank for the first time in a Premier League game since October until Mitoma's late effort.
They controlled possession early on as Bournemouth set up camp inside their own half, but Undav somehow failed to put the hosts ahead with a quarter of an hour played.
The German striker, making only his second league start this season, intercepted Neto's misplaced pass but after Mepham blocked his initial effort, Undav proceeded to fire straight at the Bournemouth goalkeeper before shooting against the post with his second follow-up shot.
Bournemouth improved as the half wore on but Welbeck headed straight at Neto from Solly March's delivery, then steered a low Undav cross wide of the far post shortly before half-time.
Caicedo was given a rousing reception by the Brighton supporters when he entered the fray just before the hour mark, but it was the midfielder's compatriot Estupinan who came to the home side's rescue midway through the second period by throwing himself in front of Semenyo's shot.
Brighton's late pressure eventually told, though - Mitoma netting his sixth goal in nine appearances across all competitions to consolidate Brighton's place in the top six.
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Brighton & Hove Albion
Squad number1Player nameSánchez
Squad number34Player nameVeltman
Squad number5Player nameDunk
Squad number30Player nameEstupiñán
Squad number2Player nameLamptey
Squad number13Player nameGroß
Squad number27Player nameGilmour
Squad number22Player nameMitoma
Squad number7Player nameMarch
Squad number21Player nameUndav
Squad number18Player nameWelbeck
Squad number4Player nameWebster
Squad number19Player nameSarmiento
Squad number20Player nameEnciso
Squad number25Player nameCaicedo
Squad number40Player nameBuonanotte
AFC Bournemouth
Squad number13Player nameNeto
Squad number15Player nameA Smith
Squad number6Player nameMepham
Squad number25Player nameSenesi
Squad number33Player nameZemura
Squad number11Player nameOuattara
Squad number8Player nameLerma
Squad number29Player nameBilling
Squad number32Player nameAnthony
Squad number22Player nameTraorè
Squad number24Player nameSemenyo
Squad number10Player nameChristie
Squad number14Player nameRothwell
Squad number18Player nameViña
Line-ups
Brighton
Formation 3-4-2-1
1Sánchez34VeltmanBooked at 9mins5DunkBooked at 70mins30Estupiñán2LampteySubstituted forBuonanotteat 75'minutes13Groß27GilmourSubstituted forCaicedoat 57'minutesBooked at 79mins22Mitoma7MarchSubstituted forWebsterat 89'minutes21UndavSubstituted forEncisoat 75'minutes18WelbeckSubstituted forSarmientoat 57'minutesSubstitutes
4Webster19Sarmiento20Enciso23Steele25Caicedo29van Hecke40Buonanotte42Offiah49MoranBournemouth
Formation 4-4-1-1
13Neto15A SmithBooked at 84mins6Mepham25Senesi33Zemura11Ouattara8Lerma29BillingSubstituted forRothwellat 66'minutes32AnthonySubstituted forViñaat 81'minutes22TraorèSubstituted forChristieat 61'minutes24SemenyoSubstitutes
1Travers10Christie14Rothwell17Stacey18Viña21Moore41Pollock43Greenwood53Kinsey-WellingsReferee:Craig Pawson
Attendance:31,600
Live Text
Match ends, Brighton and Hove Albion 1, Bournemouth 0.
Second Half ends, Brighton and Hove Albion 1, Bournemouth 0.
Attempt missed. Julio Enciso (Brighton and Hove Albion) right footed shot from outside the box is close, but misses to the right. Assisted by Facundo Buonanotte.
Foul by Facundo Buonanotte (Brighton and Hove Albion).
Marcos Senesi (Bournemouth) wins a free kick in the defensive half.
Joël Veltman (Brighton and Hove Albion) wins a free kick on the right wing.
Foul by Ryan Christie (Bournemouth).
Substitution, Brighton and Hove Albion. Adam Webster replaces Solly March.
Goal! Brighton and Hove Albion 1, Bournemouth 0. Kaoru Mitoma (Brighton and Hove Albion) header from the centre of the box to the top left corner. Assisted by Jeremy Sarmiento with a cross.
Corner, Brighton and Hove Albion. Conceded by Neto.
Attempt saved. Kaoru Mitoma (Brighton and Hove Albion) right footed shot from the left side of the six yard box is saved in the bottom left corner. Assisted by Jeremy Sarmiento.
Attempt blocked. Jeremy Sarmiento (Brighton and Hove Albion) right footed shot from the centre of the box is blocked. Assisted by Moisés Caicedo.
Adam Smith (Bournemouth) is shown the yellow card for a bad foul.
Kaoru Mitoma (Brighton and Hove Albion) wins a free kick on the left wing.
Foul by Adam Smith (Bournemouth).
Attempt missed. Dango Ouattara (Bournemouth) header from very close range misses to the left. Assisted by Ryan Christie with a cross following a corner.
Corner, Bournemouth. Conceded by Solly March.
Substitution, Bournemouth. Matías Viña replaces Jaidon Anthony.
Foul by Pervis Estupiñán (Brighton and Hove Albion).
Joe Rothwell (Bournemouth) wins a free kick in the defensive half.