Technical Characteristics: Koopman Chess Clock 1936

• Name. Koopman Chess Clock.
• Model. Hidden Dials.
• Maker. Hendricus KOOPMAN.
• Date. 1936.
• Country. Netherlands.
• Mechanism. Top pushbuttons.
• Material. Light brown wood.
• Measurements. Length 11.02 in – Width 2.76 in – Height 6.69 in (Height with Push button 7.09 in).
• Weight. 39.15 oz.

Description: Koopman Chess Clock 1936

It is a large Dutch chess clock, manufactured in 1936. The design of the wooden case was used by the manufacturer Koopman in the early years of the 20th century.

it uses German-made alarm clocks.

The activation of this chess clock is through “Vertical top buttons” located on both sides of the clock, a button for each player. Each button stops the clock and activates the opposite clock. The internal mechanism, which joins both buttons, is the mechanism initially used by the chess clocks of this manufacturer. In 1937, he changed the system and maintained it until the 1990s.

In the chess clock collection, we have another Koopman chess clock 1914 very similar, which differs in the assembly of different clocks. There is a difference of 30 years between the two clocks. From an aesthetic point of view, the wood is similar, but this one has a greater weight, … perhaps only by the use of different woods in the box.

Another interesting detail on the clock, is an inscription on the back cover, ‘BOOGAARD’ Hilversum. It seems to be the name of the former owner and the Dutch city of Hilversum.

Finally, it is worth mentioning that the dials that are not used have been covered with a label, which symbolizes a chess board. Another detail coinciding with the Koopman chess clock 1914.

Presence in Chess Tournaments

We do not have photographic evidence of its use in any tournament, if you have any image, we would be grateful if you send it using the contact form..

Variations: Koopman Chess Clock 1936

KOOPMAN chess clock 1914

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Technical Characteristics: ‘Gustaf Nyholm’ Chess Clock

• Name. ‘Gustaf Nyholm’ Chess Clock.
• Model. Without flags – Upper second hands.
• Maker. Unknown.
• Date. 1935.
• Country. Sweden.
• Mechanism. Upper slide bar.
• Material. Light wood.
• Measurements. Length 10.24 in – Width 2.95 in – Height 5.12 in ( Height with Buttons & Handle 5.51 in).
• Weight. 31.04 oz.

Description: ‘Gustaf Nyholm’ Chess Clock

The ‘Gustaf NYHOLM’ chess clock is a mechanical clock of medium dimensions manufactured in 1935 by the Unknown Swedish manufacturer.

This chess clock model takes its name from the first Swedish Champion, Gustaf Nyholm who won two matches against winners of national tournaments: Berndtsson in Göteborg and Löwenborg in Stockholm in 1917.

It uses German machinery but there are no identification marks of the mechanisms.

The activation of each clock is done by a decorative slide bar at the top of the chess clock. This type of element is typical of Swedish designer chess clocks.

To activate each clock, the chess player must slide the bar so that it deactivates its clock and automatically activates the clock of the opposing player.

This particular chess clock belonged to Johan Ahlfeldt of Satsjöbaden (Sweden), inheritance of his grandfather (He died in 2006 at 96 years of age) who won it as a prize in a tournament organized by the local newspaper, DAGENS NYHETER IN 1935.

Presence in Chess Tournaments

The ‘Gustaf NYHOLM’ chess clock has been used in numerous Swedish chess tournaments and championships, especially in the 1940s. Below are links to some examples:

• Chess tournament organized by ‘Wasa Schackklubb’. Upsala, Sweden 1943.
• Chess tournament organized by ‘Wasa Schackklubb’. Upsala, Sweden 1944.
• Chess tournament organized by ‘Wasa Schackklubb’. Upsala, Sweden 1945.

Variations: ‘Gustaf Nyholm’ Chess Clock

Unknown.
 

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Technical Characteristics: Antique Argentine Chess Clock

• Name. Argentine Chess Clock.
• Model. Handcrafted.
• Maker. ‘CASA ALARI’ Watchmaker (Buenos Aires).
• Date. 1932.
• Country. Argentina.
• Mechanism. Independent nut mechanism.
• Material. Oak wood.
• Measurements. Length 10.43 in – Width 4.53 in – Height 5.91 in ( Height with Buttons & Handle 7.09 in).
• Weight. 63.85 oz.

Description: Antique Argentine Chess Clock

The Argentine chess clock is a large-scale mechanical clock manufactured in 1932 by the ‘CASA ALARI’ Watchmaker, Colon 1146 Buenos Aires.

It uses JUNGHANS WURTTEMBERG clocks with references A32 and B32.

The most particular feature of this Argentine chess clock is the system of activation by turning of nuts independently.

Each player must activate the mechanism of their clock by turning the Nut to activate it and turn it in the opposite direction when performing the movement to deactivate it. In this case the actions of both players are independent and therefore you need to activate the clock and deactivate it during the time you use for each play.

Some data appear in this old Argentine chess clock: the clock labels covering the small upper dials of each clock and a note written on the wooden box by the Carpenter where it indicates that 20 boxes were manufactured. All this, makes us suppose that this Argentine chess clock was commissioned by some Chess Club, possibly the Villa Crespo Chess Club of Buenos Aires and that the amount of chess clocks manufactured was 20 units. This chess clock has the Number 12 painted.

Presence in Chess Tournaments

It is a chess clock with few manufactured units, so its use in a great Tournament is unknown.

Variations: Antique Argentine Chess Clock

Unknown.
 

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