Wall Street’s Best-Kept Secret Is a 72-Year-Old Russian Chess Expert

On East 83rd Street there’s a squat brick walk-up that’s a viable contender for the least fancy apartment building on Manhattan’s Upper East Side. But for the past 25 years, Wall Street machers and captains of industry have marched up to its gray-carpeted third floor to learn the secrets of attack...

Wall Street’s Best-Kept Secret Is a 72-Year-Old Russian Chess Expert