MESON Chess Problem Database
Problem Display
PID: 85860 (8/8/5p2/5p2/5K1k/5Q2/7p/8 w - - 0 1)
Speckmann, Werner
Bulletin Ouvrier des Echecs, 1966
#2
2 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...h1Q
- Tries
- 1.Qd1?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Kh3!
- 1...h1Q
- 1.Qg2?
- threat
- 2.Qxh2#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 2.Qh2#
- 1...h1B
- 2.Qxh1#
- 2.Qh2#
- 1...h1R
- 2.Qxh1#
- 1...Kh5!
- threat
- 1.Qb7?
- threat
- 2.Qh7#
- 1...Kh5
- 2.Qh7#
- 1...Kh3!
- threat
- 1.Qf1?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Kh5!
- 1...h1Q
- 1.Qf2+?
- 1...Kh3
- 2.Qg3#
- 1...Kh5!
- 1...Kh3
- 1.Qd1?
- Keys
- 1.Kxf5!
- threat
- 2.Qg4#
- threat
- 1.Kxf5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Tries
- Try
- Q(A);
- Vars
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- QAR2(A),XP(a)
- Vars
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT::QAR2(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- K(B);P-FLIGHT,XP(c)
- Threat
- QAR1(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).