MESON Chess Problem Database
Problem Display
PID: 233226 (7q/3p1p1b/1QpBkppR/p7/2P2pP1/5P2/K7/3R4 w - - 0 1)
Muller, Dieter
Freie Presse, 1968
#2
8 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...c5
- 2.Re1#
- 1...c5
- Tries
- 1.Qd4?
- threat
- 2.Re1#
- 2.Qe4#
- 1...g5
- 2.Qe5#
- 1...f5!
- threat
- 1.Qxa5?
- threat
- 2.Qe1#
- 1...f5
- 2.Qxf5#
- 1...g5
- 2.Qe5#
- 1...Qa8!
- threat
- 1.Qb1?
- threat
- 2.Qe4#
- 1...f5
- 2.Qxf5#
- 1...g5!
- threat
- 1.Qb2?
- threat
- 2.Qe2#
- 1...g5
- 2.Qe5#
- 1...f5!
- threat
- 1.Qd4?
- Keys
- 1.Qc5!
- threat
- 2.Re1#
- 1...f5
- 2.Qxf5#
- 1...g5
- 2.Qe5#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- P(c);::R(A)
- Tries
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- P(f);P_SPINP(e)::QAR1(F)
- Refutation
- P(e);P_SPINP(f)
- Try
- Q(F);XP(b)
- Threat
- QAR(F)
- Vars
- P(e);P_SPINP(f)::QAB1(F),XP(e)
- P(f);P_SPINP(e)::QAR1(F)
- Refutation
- Q(j);P_PINQ(F)
- Try
- Q(F);
- Threat
- QAR2(F)
- Vars
- P(e);P_SPINP(f)::QAB1(F),XP(e)
- Refutation
- P(f);P_SPINP(e)
- Try
- Q(F);
- Threat
- QAR(F)
- Vars
- P(f);P_SPINP(e)::QAR1(F)
- Refutation
- P(e);P_SPINP(f)
- Try
- Actual
- Q(F);
- Threat
- R(A)
- Vars
- P(e);P_SPINP(f)::QAB1(F),XP(e)
- P(f);P_SPINP(e)::QAR1(F)
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).