400-499 Flashcards by Fred Schultz

White to move

5.Bxa6 wins a piece after 5…Nxa6 6.Qa4+ forking the King and Knight.

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White to move

19.Bh3 pins and adds a second attacker to the Black Knight on g4, pinning it to the Queen. If 19…f5 20.Rxf5 winning a pawn.

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White to move

11.f5 traps the Bishop

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White to move

20.Nxf7#

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Black to move

17…Qg5 threatens mate with 18…Qxg2 and sets up a deadly discovered check. For example 18.g3 Nxh3+ 19.Kg2 Qxd2 winning the White Queen.

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Black to move

39…Rf6# is an interesting checkmate

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White to move

16.Ne4 forks the Black Queen and Bishop. There is no retreat square for the Queen where she can still protect the Bishop.

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White to move

Bxf7+ When the King moves up it is then checkmate from the Knight on d5. 8…Ke7 9.Nd5#. This is the famous Legal’s mate. White has sacrificed his Queen on d1 for this checkmate.

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White to move

17.Qh6+ and after the King moves to either g8 or h8, the White Knight trades for the Knight on f6, which then allows the Queen to capture the pawn on h7 with checkmate. 17…Kg8 18.Nxf6+ Qxf6 19.Qxh7#.

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Black to move

13…Ne4discovered attack. The White Knight on c3 is double attacked and pinned, so Black will either win the Knight or capture the White Rook on a1 after the White moves.14.Nxe4 Bxa1

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White to move

9.Nd6# smothered mate.

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Black to move

17…Bc5 pins the White Queen to the King.

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White to move

19.Nc8+ forces the Black King to the 8th rank, and after any King move, 20.Nxd6 discovered check Ke7 21.Rxf7#

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Black to move

13…Nd4 and White cannot save the Queen and prevent the smothered mate 14…Nc2#. If 14.Qe3 Nc2+ forks the King and Queen.

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White to move

9.Nb5 Threatening the Queen, and also mate on c7 with 10.Nc7#. The Black Queen cannot find a safe square to guard c7, so this wins the Queen, since Black needs to stop the mate.

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White to move

10.Nf6# Double discovered checkmate.

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Black to move

6…Nxe5 unfortunately you can’t take the Queen or you get Legal’s mate via 7.Bxf7 Ke7 8.Nd5#.

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Black to move

18…e4 attacks the White Bishop on d3 and discovers an attack on the White Knight on d6. Black wins a piece.

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Black to move

19…Bd3 skewers the White Queen and Rook

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Black to move

20…Bxc3 and White has no good to recapture. The b pawn is pinned to the Rook.

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White to move

13.Bg6+ Double discovered check 13…Kd7 14.Be8 A beautiful checkmate!

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Black to move

14…Qa5+ picks off the bishop. 15.b4 Qxb5

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White to move

15.Bf7+ Kf8 16.Qh6#

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White to move

18.Ne5 attacks the Black Knight on d7, and discovers an attack on the Black Bishop on b7.

If 18…Nxe5 19.Bxb7 Black has both his Knight and Rook under attack.

If 18…Bxg2 19.Nxd7 forking the Black Queen and Rook.

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Black to move

**19...Nf5+ 20.Kg4 Rh4+ 21.Kg5 Qd8# (21...Be7#)** and the Fat Lady has sung.

Black to move

**9...Bb3 10.Qe1 Nc2** forks the Queen and Rook.

Black to move

**20...Rxh3#** the g pawn is pinned

White to move

**32.Ra8+** all roads lead to mate. ## Footnote **32...Qxa8 33.Nf6+ Kh8 34.Qxh7#** **32...Rd8 33.Rxd8+ Qe8 34.Rxe8#**

Black to move

**4...g6** prevents the mate on f7. White is in trouble after **5.Qh4 Be7** and there is no way to save the Knight that is pinned and attacked twice. Black wins a piece.

Black to move

**14...Ne2+** removes the White King from the defense of the f2 pawn, which is now attacked twice. **15.Kh1 Rxf2**

White to move

**31.Rg7+ Kh8 32.Qh4** leads to mate.

White to move

**14.Bxh7+** the classic "Greek Gift" sacrifice. White will follow up the attack with moves like **Rh3, Qh5,** andBlack is in trouble regardless if they accept the "gift" or not.

Black to move

**52...Rf2+** discovered check, helping Black trade down into an easily won endgame. **53.Kg3 Rxh2 54.Kxh2**

White to move

**17.Qg4+** leads to mate ## Footnote **17...Kd6 18.Be7+ Kxe5 19.d4#** **17...Qe6 18.Qxe6#**

White to move

**16.Ne7#** A cool checkmate with 2 Knights.

Black to move

**7...Ba6+** runs White out of luck. Giving up a piece with **8.Nb5** is the only way to avoid the checkmate. If **8.Kd2 f3#**

Black to move

**29...c5+** Wins the Rook on d5 with discovered check

Black to move

**35...Bd1** pins the White Queen to the King

Black to move

**12...Qxh2#**

Black to move

**3...g6** protects the pawn, and prevents the checkmate **4.Bxh5 Rxh5 5.Qxh5 g6 6.Qxg6#** In the game Black played **3...g5??** and got mated in this manner.

Black to move

**28...Bd5+** a remove the defender tactic **29.Kc3 Ne4+ 30.Kd3 Qxb4** winning the White Rook.

White to move

**14.Qxd8#**

Black to move

**14...Nxd4** snatches a pawn if **15.cxd4 Bxd4+ 16.Kh1 Bxa1** Black wins two pawns and Rook for a Knight.

White to move

**10.Nb5** threatens **11.Nc7+** and also **11.b4** forking the Black Queen and Bishop. Black cannot meet both threats.

Black to move

**17...Rxh2+** a nice Rook sacrifice leading to mate. **18.Kxh2 Qh8+ 19.Bh3 Qxh3+ 20.Kg1 Nxe2#** or **18.Kg1 Nxf3#**

Black to move

**10...Bg3#**

White to move

**7.Bf7#**

White to move

**8.Bxf7+ Kd8 9.Ne6#** a cute checkmate

Black to move

**15...Qd7** or **15...Qc8** and Black mates White on the light squares. **16.Nd2 Qh3 17.Nxf3 exf3** and White cannot stop **18...Qg2#**

Black to move

**60...Ng2+** forks King and Bishop trading down into an easily won endgame. **61.Kf2 Nxe1 62.Kxe1 d2+** and Black promotes to a Queen on the next move.

Black to move

**24...Bxh2+** leads to mate **25.Qxh2 Qxh2+ 26.Kf1 Bd3+ 27.Ke1 Qe2#** If **25.Kf2 Qg3+ 26.Kf1 Qg1#** If **25.Kh1 Bg3+ 26.Kg1 Qh1#**

White to move

**18.f4** attacks and wins the Knight, which is pinned to the mate threat on g7. Black cannot move the Knight, without allowing **18...Qg7#**

Black to move

**10...Bh4+** discovered attack, winning the White Queen on the next move.

White to move

**21.Nc7+** a clearance and deflection tactic forking the Black King and Rook. **21.Qxc7 22.Qe6+** forks the Black King and Rook. **22...Qe7 23.Qxg8+ Kd7 24.Qxa8**

Black to move

**41...Bd6** pins and wins the White Rook

Black to move

**15...Qxf2+ 16.Kh1 Qxe1#**

Black to move

**16...Nb4** attacks the White Queen on a6, and threatens a fork of the White King and Rook with **17...Nc2+.** White cannot meet both threats.

Black to move

**18...Rh1+!!** deflects the White King from protection of the Queen on f2. **19.Kxh1 Qxf2** winning a Queen for a Rook.

Black to move

**28...Rxg2+** Black saves his losing position by forcing stalemate! **29.Kh1 Rg1+ 30.Rxg**

Black to move

**35...Bxe4+** Discovered attack on the White Queen from the Black Rook.

White to move

**7.Qh5#** a variation on "Fools Mate."

White to move

**35.Rxf5** wins a piece, if **35...Qxe5 36.Rxe5 Rxf1 37.Bxf1.** If **35...Rxf5 36.Qxg3**

White to move

**18.Nc7+** invades with a fork of King and Rook.

White to move

**29.c7** and the pawn cannot be stopped

White to move

**16.Bg5** traps the Black Queen. Black will be forced to give up some material to save the Queen. For example, **16...Nxf3+ 17.Rxf3 Qg4** or **16...Qxg5 17.Qxg5 Nxd3** giving up the Queen for a Bishop and Knight.

White to move

**9.Nxe5** wins a piece that is attacked twice, and only defended once.

White to move

**37.fxg5+** wins the Black Bishop with discovered check.

Black to move

**14...Bg4** traps the White Queen

Black to move

**49...e3+** discovered check, winning the White Bishop

Black to move

**31...Bxd1** gets the Black Bishop out of danger, and wins a piece. If **32.Rxd1 Ne2+**

Black to move

**37...Qxf1+** wins a Rook that is attacked twice, and only defended once. **38.Qxf1 Rxf1+**

Black to move

**9...Bxh6** overloads the White Queen, who can't recapture, and still guard the Knight on d4. **10.Qxh6 Nxd4** wins a piece.

White to move

**13.Nxf6#** a smothered mate.

White to move

**53.Rxa2** stops Black from queening their pawn, before making a Queen of their own.

Black to move

**26...c6** attacks the White Knight, which has no escape squares.

Black to move

White to move

**45.Be6+** White gets his Bishop out of danger with check, and can take the Black Knight on g3 the next move.

Black to move

**17...g6** wins the White Queen. **18.Qxh6 Bg7 19.Qh4 Nxh3+** discovered attack on the Queen.

White to move

**39.Nxh6!** wins a pawn. If **39...Kxh6 40.Rh1+** leads to mate **40...Qh5 41.Qg5+ Kh7 42.Rxh5#.**

White to move

**32.Ne7+** leads to mate **32...Kc5 33.R8d5#** or **32...Kc7 33.Rc8#**

Black to move

**34...e3+** forks the White King and Rook

White to move

**25.d4** attacks the pinned Black Bishop, which can't move without losing the Black Rook on c6

White to move

**8.Bd3** traps the Black Queen for example, **8...Qg4 9.h3 Qh5 10.g4 Qg6 11.Bxg6**

White to move

**23.Nxd6 Qxd6 24.Bxc5** forks the Black Queen and Rook If **23...Nxe3** White will play **24.fxe3** and Black cannot play **24...Qxd6** because of **25.Bh7+** discovered attack winning the Black Queen.

Black to move

**30...Rxd6** wins the White Bishop, the e pawn is pinned.

White to move

**20.Rxe8** deflects the Black Queen from the defense of the Knight on f6

Black to move

**42...Rh8+ 43.Rh6 Rxh6#**

White to move

**19.Bg4** Skewers the Black Queen and Rook

White to move

**32.Rd8#**

White to move

**24.Nf7+** forks the Black King and Queen

Black to move

**24...Qe3#** a Dovetail mate

Black to move

**7...Be5** wins the Rook on a1, which cannot move or be defended.

Black to move

**31...Qd5+** and White cannot stop mate **32.Qe4 Qxe4 33.Rf3 Qxf3+ 34.Kg1 Nxh3# (34...Qg2#)**

Black to move

**35...Bb3** forces the White Rook off the fourth rank, **36.Rc3** allowing **36...Bd5+** skewering the White King and Knight. Black wins a piece.

White to move

**40.Rxd3** takes a piece threatening a back rank mate, and removing the defender of the Black Rook on c1

Black to move

**26...axb5+** discovered attack on the White Queen

Black to move

**12...Qb4+** forks the White King and Bishop

Black to move

**20...Ne2+** forks the King and Queen

Black to move

**18...Ncxe5** winning a pawn with a discovered attack on the Bishop on b5 and clearance sacrifice threatening **19...c2** forking the White Queen and Knight.

Black to move

**12...g5** traps the White Bishop.