S
GM
Sadler, Matthew D
TOP 50 ENG·Born 1974·FIDE #400173·936 Games
FIDE OTB · #400173 · 936 Games
Classical2694893 g Games
Rapid267341 g Games
Blitz26462 g Games
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936 games analyzed
Statistics
Total
936Wins
450Draws
342Losses
14448%37%15%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 93.6% average
Very consistent (92%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 ♔ (76% in 56 games)
Deep Analysis
Stockfish 18 · Classical games · 19 analyzedAccuracy by phase
Opening
96.7%
Middlegame
93.6%
Endgame
94.8%
Clutch Factor
+4%Winning (+2)Winning (+2)
95%4g
EqualEqual position
96%8g
Losing (−2)Losing (−2)
90%7g
Accuracy under pressure
Problematic Pieces — which cause most errors?
31%
5 err
31%
5 err
19%
3 err
12%
2 err
6%
1 err
0%
0 err
Critical Moment
Move 30 avg0%
1-15
0%
16-25
0%
26-35
0%
36-45
0%
46+
Error Heatmap — where do errors occur?
2
2
2
FewMany
Errors mapped
13
Hotspot zone
d6 / e7
Critical squares
d6
2 err
e7
2 err
g5
2 err
b5
1 err
b8
1 err
d6/e7 account for most of the errors. Force decisions in those zones.
Openings
936 GamesBased on 936 player gamesWeaknesses
— exploit these— exploit these linesNo significant weaknesses detected as white
No significant weaknesses detected as black
Strengths
— avoid these— avoid these linesaswhite58.3%Wins
Nimzo-Indian: Fischer — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b612 Games · last played 9 years ago
12 Games · last played 9 years ago
aswhite58.3%Wins
Ruy Lopez — 1.e4 e5 2.Nf3 Nc6 3.Bb512 Games · last played 10 years ago
12 Games · last played 10 years ago
asblack71.4%Wins
French: Tarrasch — 1.e4 e6 2.d4 d5 3.Nd214 Games · last played 6 years ago
14 Games · last played 6 years ago
asblack58.3%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e612 Games · last played 9 years ago
12 Games · last played 9 years ago
Critical Blunders
5 errors · Stockfish#34Qh2??vs TanOTB · 2020
#49Ke6??vs KramnikRapid · 2014
#24Qg5??vs KramnikOTB · 1998
#61Rh4+??vs TopalovRapid · 1998
#20Nxd5??vs ShirovRapid
Recent Games
936 GamesWin
Tan, Justin(2511)
Ch England (team) 2019/20 · 9 Feb 2020
Win
Horton, Andrew P(2380)
4NCL Div 1a 2019-20 · 8 Feb 2020
Draw
Pigott, John C(2370)
4NCL Div 1a 2019-20 · 12 Jan 2020
Win
Murphy, Conor E(2407)
4NCL Div 1a 2019-20 · 11 Jan 2020
Win
Tabak, Stefan(2183)
16th ROC Nova College · 30 Jun 2019
Win
Van Oosterom, Chiel(2397)
16th ROC Nova College · 30 Jun 2019
Endgame Statistics
PRO14 endgames (46.7%)Unlock Endgame Statistics
11 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
454 Games
55%32%13%
MoveGamesPerformance%
1.d4Strong
36070%
1.e4Strong
5676%
1.c4
1570%
1.Nf3Strong
1271%
1.b3
1168%
ENG