MESON Chess Problem Database
Problem Display
PID: 176002 (6kr/3N1p1p/7K/8/4p3/8/nN6/Qn6 w - - 0 1)
Keiv, Anatoly N
Probleemblad, 1978
#2
4 + 7
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Qg1#
- 1...Sa3
- 2.Qg1#
- 1...Sbc3
- 2.Qg1#
- 1...Sc1
- 2.Qa8#
- 1...Sac3
- 2.Qa8#
- 1...Sb4
- 2.Qa8#
- 1...f5
- 2.Qxa2#
- 1...f6
- 2.Qxa2#
- 1...Sd2
- Tries
- 1.Sd1?
- threat
- 2.Qg7#
- 1...f6
- 2.Qxa2#
- 1...Sac3
- 2.Qa8#
- 1...Sbc3!
- threat
- 1.Sa4?
- threat
- 2.Qg7#
- 1...f6
- 2.Qxa2#
- 1...Sbc3
- 2.Qg1#
- 1...Sac3!
- threat
- 1.Sc4?
- threat
- 2.Qg7#
- 1...Sbc3
- 2.Qg1#
- 1...Sac3
- 2.Qa8#
- 1...f6!
- threat
- 1.Qxb1?
- threat
- 2.Qg1#
- 1...f5
- 2.Qxa2#
- 1...f6
- 2.Qxa2#
- 1...Sc1!
- threat
- 1.Sd1?
- Keys
- 1.Sd3!
- threat
- 2.Qg7#
- 1...f6
- 2.Qxa2#
- 1...Sbc3
- 2.Qg1#
- 1...Sac3
- 2.Qa8#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- S(a);OGATE::QAB(A)
- S(b);OGATE::QAR(A)
- P(d);OGATEB::QAB(A),XS(b)
- Tries
- Try
- S(B);
- Threat
- QAR1(A)
- Vars
- P(d);OGATEB::QAB(A),XS(b)
- S(b);OGATE::QAR(A)
- Refutation
- S(a);
- Try
- S(B);
- Threat
- QAR1(A)
- Vars
- P(d);OGATEB::QAB(A),XS(b)
- S(a);OGATE::QAB(A)
- Refutation
- S(b);
- Try
- S(B);
- Threat
- QAR1(A)
- Vars
- S(a);OGATE::QAB(A)
- S(b);OGATE::QAR(A)
- Refutation
- P(d);
- Try
- Q(A);XS(a)
- Threat
- QAB(A)
- Vars
- P(d);OGATEB::QAB(A),XS(b)
- Refutation
- S(b);
- Try
- Actual
- S(B);
- Threat
- QAR1(A)
- Vars
- P(d);OGATEB::QAB(A),XS(b)
- S(a);OGATE::QAB(A)
- S(b);OGATE::QAR(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).