So forget about chalking up the dismal economic performance of the Great War years, of all things to gold.

FORBES: Trashing The Gold Standard is Now The Stuff Of Amateurs

Yet, chalking it all up to vacation leaves is an unsatisfying conclusion.

FORBES: 300 Years Of Data Confirms Winning Strategy: Buy Stocks Now, Sell In May

Wells, a biostatistician at Cornell University, has another explanation, chalking up occasional sloppiness in statistics to the pressure to publish early and often.

WSJ: Carl Bialik: Don't Let Math Pull the Wool Over Your Eyes

In October Mr Erdogan pushed through parliament a measure authorising the deployment of 10, 000 Turkish troops, chalking up useful brownie points in Washington.

ECONOMIST: A big agenda for Tayyip Erdogan's trip to the United States

Makukula has struggled to make an impact at Benfica since a big-money move from Sevilla in January 2008, chalking up only three goals in 18 appearances for the Lisbon-based club.

BBC: Mowbray ends interest in Makukula

This conference aims to focus on the various interlinked aspects of water availability and hopes to provide a forum for chalking out strategies that may be useful to the developing countries.

UNESCO: Water Portal | Water Events Worldwide

More accounting irregularities were uncovered at Allied Carpets , one of Britain's biggest carpet sellers, whose shares were suspended after auditors discovered that some stores were chalking up sales before they took place.

ECONOMIST: Taking stock

In order to avoid the possibility of chalking up uncontrolled losses, you can place a stop-sell order at a certain price so that your position will automatically be closed out when that price is reached.

FORBES: How To Place Orders With A Forex Broker

The Potters provided a far sterner test than West Brom and Wigan - Chelsea's previous two opponents in a free-scoring start to the season - but they were unable to stop Carlo Ancelotti's side chalking up an eighth straight home league win.

BBC: Chelsea 2-0 Stoke