MESON Chess Problem Database
Problem Display
PID: 163742 (1RN5/3N4/1P2K3/pn1B4/pk6/6Q1/P1PR4/8 w - - 0 1)
Kovacevic, Marjan
Novi Temi, 1974
#2
10 + 4
SOLUTION
- SOUND
- Sets
- 1...Sa7
- 2.bxa7#
- 1...Sc7+
- 2.bxc7#
- 1...a3
- 2.Qb3#
- 1...Sa7
- Tries
- 1.Qe3?
- threat
- 2.Qc5#
- 1...Sc7+
- 2.bxc7#
- 1...a3
- 2.Qb3#
- 1...Sd4+!
- threat
- 1.c4?
- threat
- 2.Rb2#
- 1...Sc7+
- 2.bxc7#
- 1...Sc3
- 2.Qd6#
- 1...a3
- 2.Qb3#
- 1...Sd4+!
- threat
- 1.Qe3?
- Keys
- 1.Sa7!
- threat
- 2.Sc6#
- 1...Sd4+
- 2.Rxd4#
- 1...Sc7+
- 2.bxc7#
- 1...Sxa7
- 2.bxa7#
- 1...Sc3
- 2.Qd6#
- 1...a3
- 2.Qb3#
- 1...Sa3
- 2.c3#
- 1...Sd6
- 2.a3#
- threat
- 1.Sa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(d);OGATE::R(I)+P(F),XS(d)
- S(d);CHECK,OGATE::R(I)+P(F),XS(d)
- P(a);N_GUARD::QAR1(D)
- Tries
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- S(d);CHECK,OGATE::R(I)+P(F),XS(d)
- P(a);N_GUARD::QAR1(D)
- Refutation
- S(d);CHECK
- Try
- P(B);
- Threat
- R(C)
- Vars
- S(d);CHECK,OGATE::R(I)+P(F),XS(d)
- S(d);N_GUARD,SBLOCK::QAB(D)
- P(a);N_GUARD::QAR1(D)
- Refutation
- S(d);CHECK
- Try
- Actual
- S(J);
- Threat
- S(J)
- Vars
- S(d);CHECK,N_GUARD::R(C),XS(d)
- S(d);CHECK,OGATE::R(I)+P(F),XS(d)
- S(d);OGATE,XS(J)::R(I)+P(F),XS(d)
- S(d);N_GUARD,SBLOCK::QAB(D)
- P(a);N_GUARD::QAR1(D)
- S(d);N_GUARD,SBLOCK::P(B)
- S(d);N_GUARD::P(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).