Koehler, Dr. Gerhard1Games1Wins0Draws0Losses100%ScorePeak rating—Latest rating—First seenNov 17, 2022Last seenNov 17, 2022Recent gamesDateWhiteResultBlackEventOpeningNov 17, 2022Bogdanov0–1Koehler30th World Senior Chess Championship 2022Semi-Slav Defense: Stoltz Variation