No Checkmate?

No Checkmate?

Only Chess

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MA
Nyuszi, golyó!

Joined
28 Jul 09
Moves
9914
30 Aug 09

I don't think you can mate with KxN vs K, or KxB vs K

N
10. O-O

Kalispell, MT

Joined
05 Jul 08
Moves
23554
30 Aug 09

Originally posted by Mariska Angela
Can you show me how?
Nope, he can't.


because your right. It cannot be done.
Lone K+N is insufficient.
Lone K+B is insufficient.


🙂



-GIN

s

Joined
30 Sep 08
Moves
2996
30 Aug 09

Originally posted by Mariska Angela
Can you show me how?
Cannot be done, Insufficient mating material.

k

Joined
08 Nov 08
Moves
4588
30 Aug 09

Despite the adamant denials, so far posted, there is a mate with K+N vs K and pawn(s) I posted the game in this forum a short time ago. The mate is called Stamma's mate and was known as early as the 16th century, or so I have read, and it occured in a game some 10 years past. But before I go through my materials and find the game and history...

N
10. O-O

Kalispell, MT

Joined
05 Jul 08
Moves
23554
30 Aug 09

Originally posted by kuoni
Despite the adamant denials, so far posted, there is a mate with K+N vs K and pawn(s) I posted the game in this forum a short time ago. The mate is called Stamma's mate and was known as early as the 16th century, or so I have read, and it occured in a game some 10 years past. But before I go through my materials and find the game and history...
Notice

"...and pawn(s)..."

Lone K+N or Lone K+B cannot be done. At all. Whatsoever.

-GIN

MA
Nyuszi, golyó!

Joined
28 Jul 09
Moves
9914
30 Aug 09

I was sure about the KxB vs K = no mate
Had some doubts about KxN vs K, but these doubts were like 1%.

h

Joined
25 Apr 06
Moves
5939
30 Aug 09

A King in the corner has three fleeing squares. So you would need to attack 4 squares with just a King + a piece. The King can attack TWO and the piece (Knight or Bishop) only ONE extra. So the defending King will always have at least one unattacked square to rejoice and can never be mated.

😴

k

Joined
08 Nov 08
Moves
4588
30 Aug 09
1 edit

Originally posted by Mariska Angela
I was sure about the KxB vs K = no mate
Had some doubts about KxN vs K, but these doubts were like 1%.
This game received a great deal of notice some years back but not for the normal reasons but for a new kind of mate which gave us a new name (or old) in the literature. Stama's mate. (possibly Stamm) check the last eight moves or so.

[Event "ch-CUB"]
[Site "Las Tunas CUB"]
[Date "2001.04.14"]
[EventDate "2001.04.01"]
[Round "12"]
[Result "1-0"]
[White "Jesus Nogueiras"]
[Black "Maikel Gongora"]
[ECO "A21"]
[WhiteElo "2557"]
[BlackElo "2417"]
[PlyCount "165"]

1. c4 e5 2. Nc3 d6 3. d4 exd4 4. Qxd4 Nc6 5. Qd1 g6 6. e4 Bg7
7. Bd3 Nf6 8. Nge2 Ng4 9. f3 Nge5 10. O-O Be6 11. b3 Nxd3
12. Qxd3 Qd7 13. Bb2 O-O-O 14. Qd2 f5 15. exf5 Bxf5 16. Ng3
Bd4+ 17. Kh1 Qg7 18. Rad1 Be5 19. Ba1 h5 20. Nd5 Bxa1 21. Rxa1
h4 22. Nxf5 gxf5 23. h3 Ne5 24. f4 Nc6 25. Rae1 Rde8 26. Rxe8+
Rxe8 27. Re1 Qh8 28. Qf2 Rxe1+ 29. Qxe1 a5 30. Kh2 Kb8 31. Qc3
Qd4 32. Qxd4 Nxd4 33. g4 c6 34. Ne7 Kc7 35. Ng6 b5 36. Nxh4 a4
37. Nxf5 Nxb3 38. cxb5 cxb5 39. g5 Nc5 40. g6 Ne4 41. g7 Nf6
42. Ne7 Kd7 43. Nd5 Ng8 44. f5 Ke8 45. Nc7+ Kf7 46. Nxb5 d5
47. Kg3 Kxg7 48. Kf4 Kf6 49. h4 Ne7 50. Nd4 Ng8 51. Ne2 Ne7
52. Ng3 a3 53. h5 Ng8 54. Nf1 Nh6 55. Ne3 d4 56. Nd5+ Kf7
57. Kg5 Kg7 58. f6+ Kh7 59. Kf4 Nf7 60. Ke4 Kh6 61. Kxd4 Kxh5
62. Nb6 Kg6 63. Nd7 Nh6 64. Kd5 Kf7 65. Ke5 Ng4+ 66. Kf5 Ne3+
67. Kg5 Nc4 68. Kf5 Ne3+ 69. Kf4 Nd5+ 70. Kg5 Ke6 71. Nc5+ Kf7
72. Ne4 Ke6 73. Kg6 Nf4+ 74. Kh6 Nd5 75. Kg5 Nxf6 76. Nxf6 Ke5
77. Nd7+ Kd4 78. Kf4 Kc3 79. Ke3 Kb2 80. Kd2 Kxa2 81. Kc2 Ka1
82. Nc5 Ka2 83. Nd3 Ka1 84. Nc1 1-0

Granted white requires the cooperation of a black pawn but still...

MA
Nyuszi, golyó!

Joined
28 Jul 09
Moves
9914
30 Aug 09

Originally posted by kuoni
This game received a great deal of notice some years back but not for the normal reasons but for a new kind of mate which gave us a new name (or old) in the literature. Stama's mate. (possibly Stamm) check the last eight moves or so.

[Event "ch-CUB"]
[Site "Las Tunas CUB"]
[Date "2001.04.14"]
[EventDate "2001.04.01"]
[Round "12"]
[Result "1-0"]
[White ...[text shortened]...

Granted white requires the cooperation of a black pawn but still...
This is a very nice ending game

S

Joined
30 Aug 09
Moves
7
31 Aug 09

No.....I got it wrong....
Sorry..!!

CCC Club Leader

Denver, CO

Joined
23 Feb 03
Moves
57012
02 Sep 09

Here you go Kuoni...