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#Checkmate gif registration
A free registration is not required to use this application. You can find this information in your personal profile. Your personal decision on which data storage to enable is also stored as necessary information (consent).įor registered users we store additional information such as profile data, chess games played, your chess analysis sessions, forum posts, chat and messages, your friends and blocked users, and items and subscriptions you have purchased. You can also enable more data fields, as described in the other sections. These have no direct relationship to your person except for the IP address currently being used and your Google Analytics identifiers. Google stores your device identifiers and we send tracking events (such as page requests) to Google Analytics.
#Checkmate gif how to
We measure how our page is used with Google Analytics so that we can decide which features to implement next and how to optimize our user experience. We use your local storage to save the difference between your local clock and our server time (serverUserTimeOffset), so that we are able to display the date and time of events correctly for you. For example, a new chess game will not be opened in all your current tabs.
Additionally, a technical field is stored (singletab) to ensure that some interactions are only processed in the browser tab that is currently active. The only exception is that we monitor some requests with the IP address that you are currently using, so that we are able to detect malicious use or system defects. All of these fields are alpha-numeric, with almost no relation to your real identity. A security identifier (csrf) is also stored to prevent a particular type of online attack. It contains a session ID - a unique, anonymous user ID combined with an authentication identifier (user_data). A so-called cookie stores identifiers that make it possible to respond to your individual requests. The Oxford Companion to Chess, however, suggests that one explanation is that the sacrifice often occurred in Gioachino Greco's games.Some data is technically necessary to be able to visit the page at all. The obvious explanation is that it alludes to the Trojan Horse, and specifically to Laocoön's famous Timeo Danaos et dona ferentes ("I fear the Greeks even when they bring gifts", Virgil's Aeneid II.49). The etymology of the phrase "Greek gift" in this context is not entirely clear. 8.Kg6 9.h4 and there is no satisfactory way to meet the threat of 10.h5+ Kh6 (10.Kf5 11.Qf3#) 11.Nxf7+, winning the queen.8.Kg8 9.Qh5 threatening 10.Qh7#, to which the only feasible responses are.White can play 7.Bxh7+ ! Kxh7 8.Ng5+ to force Black to give up the queen to prevent mate: The position after the moves 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Nf3 Bb4 6.Bd3 0-0 ? (see diagram) is a simple case where the Greek gift sacrifice works. After 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Nf3 Bb4 6.Bd3 0-0?, the Greek gift sacrifice wins.
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