ECONOMY OF FORCE IN CHESS PROBLEMS.

Otago Witness, Issue 2387, 30 November 1899, Page 52

ECONOMY OF FORCE IN CHESS PROBLEMS.

By Senor J. Tolosa-y-Carberas. (Translated from La Strategic)

111. ECONOMY IN THE MATING POSITION.

The modern chess problem is a conventional work of art, unlike^ anything which occurs in actual play. This assertion is impliedly confirmed by those who deny it, while striving to regulate in detail the mode of construction. In fact, castling is forbidden in any move whatever included in the solution and-equally the capture of a pawn in passing for White's first move. Two bishops of the same colour running on diagonally is noi allowed on either side, neither is the use of two queens, three knights, ,or. three castles on either side. In fact, some manoeuvres: which are natural and 2iot unfrequent in actual play are not permitted in problems. , But it is required that White's first move shall be exact, and unique, and the same" condition is demanded m the other principal moves- in the attack; that the mate shall be pure, economic, and varied — conditions which occur rarely, or but seldom, in actual play. Moreover, those who absolutely reject positions declared impossible accept without demijtr other unlikely positions which are equally absurd as these, considered, that is to say, in the light of actual experience in play. For instance, here are two charming positions, Nos. 10 and 11 :