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Jan Postma

* 1946 (79)
Geburtsjahr
1946
Wins
Draws
Losses
White1936.8%15.8%47.4%
Wins
Draws
Losses
Black2030.0%15.0%55.0%
Wins
Draws
Losses
Total3933.3%15.4%51.3%
Strongest win Hans Polee (2078) 0-1 Jan Postma (1999)
Weakest loss Ad De Waard (1331) 1-0 Jan Postma (1766)

Openings Played as White (16)

C01 - French, Exchange
Average Elo: 1927
Result: 0/3 = 0%

B20 - Sicilian
Average Elo: 2060
Result: 0,5/2 = 25%

B33 - Sicilian
Average Elo: 0
Result: 0/1 = 0%

C77 - Ruy Lopez
Average Elo: 1947
Result: 0/1 = 0%

B40 - Sicilian
Average Elo: 1511
Result: 1/1 = 100%

C86 - Ruy Lopez, Worrall Attack
Average Elo: 1964
Result: 0/1 = 0%

C91 - Ruy Lopez, Closed
Average Elo: 1649
Result: 1/1 = 100%

C42 - Petrov Defense
Average Elo: 1538
Result: 0/1 = 0%

B38 - Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3
Average Elo: 1598
Result: 1/1 = 100%

B12 - Caro-Kann Defense
Average Elo: 1781
Result: 1/1 = 100%

B07 - Pirc
Average Elo: 2110
Result: 0/1 = 0%

B84 - Sicilian, Scheveningen
Average Elo: 1263
Result: 1/1 = 100%

B00 - Uncommon King's Pawn Opening
Average Elo: 0
Result: 1/1 = 100%

B09 - Pirc, Austrian Attack
Average Elo: 0
Result: 0,5/1 = 50%

D52 - Queen's Gambit Declined
Average Elo: 2032
Result: 1/1 = 100%

A31 - English, Symmetrical, Benoni Formation
Average Elo: 2145
Result: 0,5/1 = 50%

Openings Played as Black (18)

C02 - French, Advance
Average Elo: 1468
Result: 0/2 = 0%

B40 - Sicilian
Average Elo: 1723
Result: 1/2 = 50%

B21 - Sicilian, 2.f4 and 2.d4
Average Elo: 1704
Result: 0/1 = 0%

B45 - Sicilian, Taimanov
Average Elo: 1828
Result: 0/1 = 0%

B46 - Sicilian, Taimanov Variation
Average Elo: 1150
Result: 1/1 = 100%

C55 - Two Knights Defense
Average Elo: 1925
Result: 0/1 = 0%

B49 - Sicilian, Taimanov Variation
Average Elo: 2023
Result: 0/1 = 0%

A40 - Queen's Pawn Game
Average Elo: 2038
Result: 0/1 = 0%

D30 - Queen's Gambit Declined
Average Elo: 1915
Result: 0,5/1 = 50%

B27 - Sicilian
Average Elo: 1851
Result: 0,5/1 = 50%

A03 - Bird's Opening
Average Elo: 1942
Result: 0/1 = 0%

D35 - Queen's Gambit Declined
Average Elo: 1976
Result: 0/1 = 0%

A05 - Reti Opening
Average Elo: 1591
Result: 1/1 = 100%

D02 - Queen's Pawn Game
Average Elo: 2079
Result: 0/1 = 0%

B23 - Sicilian, Closed
Average Elo: 0
Result: 0,5/1 = 50%

D40 - Queen's Gambit Declined, Semi-Tarrasch
Average Elo: 2051
Result: 1/1 = 100%

B41 - Sicilian, Kan
Average Elo: 0
Result: 1/1 = 100%

D33 - Queen's Gambit Declined, Tarrasch
Average Elo: 2078
Result: 1/1 = 100%