Ralf-Johannes Koch

Buong pangalan

Ralf-Johannes Koch

Ipinanganak

1960 (edad 66)‎

Lugar ng Kapanganakan

Pederasyon

Germany

100% Loss

100% Loss

Ralf-Johannes Koch Mga Laro sa Chess

Mga Manlalaro	Resulta	Mga Tira	Taon
Ralf-Johannes Koch (1745) Derek Gaede (2314) 1. e4 e6 2. d3 c5 3. g3 Nc6 French Defense: King's Indian Attack	0-1	37	2018
Ralf-Johannes Koch (1750) Wesal Moshtael (2200) 1. d4 Nf6 2. Nf3 d5 3. Bf4 g6 London System	0-1	88	2014