MESON Chess Problem Database
Problem Display
PID: 163919 (8/1n6/N7/pR3Q2/k1p5/p7/8/2K5 w - - 0 1)
Uzunyan, A
Best Problems, 2014
#2
4 + 5
SOLUTION
- SOUND
- Tries
- 1.Rb1?
- threat
- 2.Qc2#
- 2.Qd7#
- 2.Qb5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 2.Qc2#
- 1...Sd8
- 2.Sc5#
- 2.Qc2#
- 2.Qb5#
- 1...a2!
- threat
- 1.Rxa5+?
- 1...Kb3
- 2.Qc2#
- 1...Sxa5!
- 1...Kb3
- 1.Rb6?
- threat
- 2.Qc2#
- 2.Qd7#
- 2.Qb5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 2.Qc2#
- 1...Sd8
- 2.Sc5#
- 2.Qc2#
- 2.Qb5#
- 1...a2!
- threat
- 1.Qb1?
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...c3
- 2.Qb3#
- 1...a2!
- 1...Sc5
- 1.Qd7?
- threat
- 2.Rb1#
- 2.Rb2#
- 2.Rb4#
- 2.Rb6#
- 2.Rxb7#
- 1...Sc5
- 2.Sxc5#
- 2.Rb4#
- 1...Sd6
- 2.Sc5#
- 2.Rb4#
- 1...Sd8
- 2.Sc5#
- 2.Rb4#
- 1...a2!
- threat
- 1.Rb1?
- Keys
- 1.Rb3!
- threat
- 2.Qb5#
- 1...Kxb3
- 2.Qc2#
- 1...cxb3
- 2.Qd7#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- threat
- 1.Rb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(B);
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::S(D),XS(e)
- Refutation
- P(a);
- Try
- R(B);CHECK,XP(d)
- Vars
- K(b);S_FLIGHT::QAB1(C)
- Refutation
- S(e);XR(B)
- Try
- R(B);
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::S(D),XS(e)
- Refutation
- P(a);
- Try
- Q(C);
- Vars
- S(e);N_GUARD::S(D),XS(e)
- S(e);N_GUARD::S(D)
- P(c);N_GUARD::QAB1(C)
- Refutation
- P(a);
- Try
- Q(C);
- Threat
- DUALS(5)
- Refutation
- P(a);
- Try
- Actual
- R(B);
- Threat
- QAB1(C)
- Vars
- K(b);OGATEB,S_FLIGHT,XR(B)::QAB1(C)
- P(c);SBLOCK,XR(B)::QAB(C)
- S(e);N_GUARD::S(D),XS(e)
- S(e);N_GUARD::S(D)
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).