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FIDE Master
Jefferson dos Santos Oliveira
Games
Player Profile
Jefferson dos Santos Oliveira
FM
Jeffpk
Since 2017 (Active)
Chess.com
♟♟♟♟♟♟
53.2% W
42.3% L
4.5% D
Bullet
2168
36W
27L
2D
Blitz
2557
19217W
15358L
1622D
Rapid
2605
191W
69L
11D
Daily
1600
0W
1L
0D
Biography
Coaching
Statistics
Rating
Openings
Opponents
Games
Recent Games
20 games
Win
vs MLSystem
2478
Jun 13, 2026
3m
D02
London System: Poisoned Pawn Variation
Jeffpk won on time
Win
vs marcohalomoanx
2426
Jun 13, 2026
3m
D43
Queen's Gambit Declined: Hastings Variation
Jeffpk won on time
Win
vs Libress-psi
2405
Jun 13, 2026
3m
B94
Sicilian Defense: Najdorf Variation
Jeffpk won by checkmate
Win
vs Dias_Wade
2294
Jun 13, 2026
3m
B35
Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
Jeffpk won on time
Win
vs marcohalomoanx
2440
Jun 13, 2026
3m
D12
Slav Defense: Quiet Variation, Amsterdam Variation
Jeffpk won by resignation
Loss
vs Pavel-Ivanovich-Chichikov
2469
Jun 13, 2026
3m
A61
Benoni Defense
Pavel-Ivanovich-Chichikov won by resignation
Loss
vs b-d-l
2385
Jun 13, 2026
3m
D13
Slav Defense: Exchange Variation
b-d-l won by resignation
Win
vs VishButNotAnand
2416
Jun 13, 2026
3m
B96
Sicilian Defense: Najdorf Variation
Jeffpk won by checkmate
Win
vs mangler79
2378
Jun 13, 2026
3m
B13
Caro-Kann Defense: Exchange Variation
Jeffpk won by resignation
Win
vs CM_quoc2012VN
2307
Jun 13, 2026
3m
B80
Sicilian Defense: Scheveningen Variation
Jeffpk won by checkmate
Win
vs kinglimited
2356
Jun 13, 2026
3m
B94
Sicilian Defense: Najdorf Variation
Jeffpk won by checkmate
Loss
vs juicy_lemon_eater
2479
Jun 13, 2026
3m
C65
Ruy Lopez: Berlin Defense
juicy_lemon_eater won on time
Win
vs Viorelpt
2356
Jun 13, 2026
3m
B00
Barnes Defense
Jeffpk won on time
Loss
vs sion2200
2518
Jun 13, 2026
3m
B23
Sicilian Defense: Closed
sion2200 won by resignation
Loss
vs Joaco_mc
2525
Jun 13, 2026
3m
B35
Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
Joaco_mc won by resignation
Win
vs AIM_Julz
2348
Jun 13, 2026
3m
B80
Sicilian Defense: Scheveningen Variation
Jeffpk won by resignation
Draw
vs SuperAlvinChess
2383
Jun 13, 2026
3m
B21
Bird Opening: Dutch Variation, Batavo Gambit
Game drawn by timeout vs insufficient material
Win
vs madaza17
2458
Jun 13, 2026
3m
B78
Sicilian Defense: Dragon Variation, Yugoslav Attack
Jeffpk won by resignation
Draw
vs Juanfran012
2397
Jun 13, 2026
3m
B23
Sicilian Defense: Closed
Game drawn by repetition
Draw
vs miguelho67
2648
Jun 13, 2026
3m
C18
French Defense: Winawer Variation, Advance Variation
Game drawn by insufficient material