discovered check

　

WordNet

1. a check on the opponents king that is delivered by moving a piece out of the line of attack by a queen or rook or bishop
2. write out a check on a bank account
3. a written order directing a bank to pay money; "he paid all his bills by check" (同)bank check, cheque
4. make cracks or chinks in; "The heat checked the paint" (同)chink
5. arrest the motion (of something) abruptly; "He checked the flow of water by shutting off the main valve"
6. the act of inspecting or verifying; "they made a check of their equipment"; "the pilot ran through the check-out procedure" (同)checkout, check-out procedure
7. a mark left after a small piece has been chopped or broken off of something (同)chip
8. (chess) a direct attack on an opponents king
9. a textile pattern of squares or crossed lines (resembling a checkerboard); "she wore a skirt with checks"
10. obstructing an opponent in ice hockey
11. the bill in a restaurant; "he asked the waiter for the check" (同)chit, tab
12. put a check mark on or near or next to; "Please check each name on the list"; "tick off the items"; "mark off the units" (同)check off, mark, mark_off, tick off, tick
13. be verified or confirmed; pass inspection; "These stories dont check!" (同)check_out
14. examine so as to determine accuracy, quality, or condition; "check the brakes"; "Check out the engine" (同)check up on, look into, check_out, suss out, check over, go over, check into
15. mark into squares or draw squares on; draw crossed lines on (同)checker, chequer
16. slow the growth or development of; "The brain damage will retard the childs language development" (同)retard, delay
17. hold back, as of a danger or an enemy; check the expansion or influence of; "Arrest the downward trend"; "Check the growth of communism in South East Asia"; "Contain the rebel movement"; "Turn back the tide of communism" (同)turn_back, arrest, stop, contain, hold back
18. abandon the intended prey, turn, and pursue an inferior prey
19. block or impede (a player from the opposing team) in ice hockey
20. consign for shipment on a vehicle; "check your luggage before boarding"
21. decline to initiate betting
22. hand over something to somebody as for temporary safekeeping; "Check your coat at the door"
23. make an examination or investigation; "check into the rumor"; "check the time of the class"
24. place into check; "He checked my kings"
25. stop for a moment, as if out of uncertainty or caution; "She checked for an instant and missed a step"
26. stop in a chase especially when scent is lost; "The dog checked"
27. verify by consulting a source or authority; "check the spelling of this word"; "check your facts"
28. see for the first time; make a discovery; "Who discovered the North Pole?"
29. make a discovery, make a new finding; "Roentgen discovered X-rays"; "Physicists believe they found a new elementary particle" (同)find
30. make a discovery; "She found that he had lied to her"; "The story is false, so far as I can discover" (同)find
31. patterned with alternating squares of color (同)checkered, chequered

PrepTutorEJDIC

1. 〈C〉(…の)『阻止』,(…を)尻い止めること《+『to』+『名』》(stop) / 〈C〉(…を)抑制(制御)する人(物)《+『to』+『名』》 / 〈C〉(確認のための)『引き合わせ』,照合,検査;《米》照合の印 / 〈C〉(預金けた手荷物の)合い礼,チッキ / 〈U〉格子(こうし)じま]の織物];〈C〉格子じまの1目 / 〈C〉《米》『小切手』(《英》cheque) / 〈C〉《米》(食堂・酒場などの)伝票,勘定書(bill) / 〈C〉(チェスの)王手 / …'を'『急に止める』)『阻止する』) / 〈感情・行動など〉'を'『抑制する』,,抑える(restrain) / (確認のために)…'を'『照合する』;《米》…‘に'照合の印を付ける / …'を'『点検する』,検査する / 《米》〈所持品など〉'を'一時預けにする / 〈荷物など〉'を'チッキで送る / …‘に'格子(こうし)じまを付ける,市松模様を付ける / 〈チェスで,キング〉‘に'王手をかける / 〈計算などが〉(…し)合う,一至する《+『with』+『名』》
2. 〈今まで知らなかった物・場所〉‘を'『発見する』,見付ける / 〈今まで知らなかった事〉‘を'発見する,悟る
3. 格子(こうし)じまの,チェックの

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/12/25 12:10:19」(JST)

wiki en

[Wiki en表示]

In chess, a discovered attack is an attack revealed when one piece moves out of the way of another. Discovered attacks can be extremely powerful, as the piece moved can make a threat independently of the piece it reveals. Like many chess tactics, they succeed because the opponent is unable to meet two threats at once. While typically the consequence of a discovered attack is the gain of material, they do not have to do this to be effective; the tactic can be used merely to gain a tempo. If the discovered attack is a check, it is called a discovered check.

Types

When the moving piece gives check to the opponent's king, the maneuver is often described as a discovered attack with check. When the discovered attack is itself a check, it is called a discovered check. If both pieces give check, a double check results.

Discovered attacks—especially checks—can win material when the moving piece captures an opposing piece nominally protected by another opposing piece. If the opponent deals with the discovered attack (obligatory if it is a check), the attacking player will have time to return the moving piece out of harm's way. This scenario is often referred to as a discovered attack (or check) with capture.

When the moving piece moves to a square from which it threatens to inflict checkmate on the next move, the tactic is called a discovered attack with mate threat. A discovered checkmate itself is also possible.

Example

	a	b	c	d	e	f	g	h
8									8
7									7
6									6
5									5
4									4
3									3
2									2
1									1
	a	b	c	d	e	f	g	h

Position after 6...Qxd4. White wins Black's queen using 7.Bb5+ (×), a discovered attack with check.

The diagram illustrates a trap in the Advance Variation of the French Defence, based on a discovered attack. If, after 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 cxd4 5.cxd4 Qb6 6.Bd3, Black mistakenly attempts to win White's d4-pawn with 6...Qxd4?? (diagram), White can play 7.Bb5+, a discovered attack (White's bishop gets out of the way of White's queen) against Black's queen with check. Black must get out of check, then White can follow up with 8.Qxd4.

References

Further reading

• Farnsworth, Ward. "Ward Farnworth's Predator at the Chessboard". Web Document. A Field Guide to Chess Tactics. Retrieved 17 December 2013. 

External links

• Chess Tactics Repository - Discovered Attacks - Collection of chess problems involving discovered attacks

UpToDate Contents

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★リンクテーブル★

関連記事	「check」「discover」

「check」

　　[★]

• n.

• 点検

• v.

• 調べる、点検する、チェックする

関

evaluate、examine、inspect、inspection、interrogate、investigate、look

　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　

「discover」

　　[★]

• v.

• 発見する、見出す

関

discovery、find、finding