MESON Chess Problem Database
Problem Display
PID: 12123 (n7/8/1p6/k7/8/NK2Q3/8/8 w - - 0 1)
Hernitz, Zvonimir
Comm., Die Schwalbe, 1975
#2
3 + 3
| 3295 | Einfuhrung in die Welt des Schachproblem | 1984 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...b5
- 2.Qa7#
- 1...b5
- Tries
- 1.Qd4?
- threat
- 2.Qa4#
- 1...b5
- 2.Qa7#
- 1...Ka6!
- threat
- 1.Qg5+?
- 1...b5
- 2.Qxb5#
- 1...Ka6!
- 1...b5
- 1.Qe2?
- threat
- 2.Qb5#
- 1...b5
- 2.Qxb5#
- 1...Sc7!
- threat
- 1.Qd3?
- threat
- 2.Qb5#
- 1...b5
- 2.Qxb5#
- 1...Sc7!
- threat
- 1.Qe4?
- threat
- 2.Qxa8#
- 2.Qa4#
- 1...Ka6
- 2.Qxa8#
- 1...Sc7
- 2.Qa4#
- 1...b5!
- threat
- 1.Qe5+?
- 1...b5
- 2.Qxb5#
- 1...Ka6!
- 1...b5
- 1.Qd4?
- Keys
- 1.Qe8!
- threat
- 2.Qa4#
- 2.Qb5#
- 2.Qxa8#
- 1...Ka6
- 2.Qxa8#
- 1...b5
- 2.Qxb5#
- 1...Sc7
- 2.Qa4#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(b);OGATE::QAR2(C)
- Tries
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- P(b);OGATE::QAR2(C)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(C);CHECK
- Vars
- P(b);P_SPINP(b)::QAR1(C),XP(b)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- P(b);::QAR1(C),XP(b)
- Refutation
- S(c);
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- P(b);::QAR1(C),XP(b)
- Refutation
- S(c);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT::QAR2(C),XS(c)
- S(c);::QAR1(C)
- Refutation
- P(b);
- Try
- Q(C);CHECK
- Vars
- P(b);P_SPINP(b)::QAR1(C),XP(b)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(C);
- Threat
- DUALS(3)
- Vars
- K(a);P-FLIGHT::QAR2(C),XS(c)
- P(b);::QAR1(C),XP(b)
- S(c);::QAR1(C)
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).