MESON Chess Problem Database
Problem Display
PID: 255834 (1bQ1KR2/p2p4/6p1/3Nn1Pb/1r4kp/R6p/3B3P/8 w - - 0 1)
Yanuarta, Simadibrata
Probleemblad, 1984
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qxd7#
- 1...Sf3
- 2.Qxd7#
- 1...Sc4
- 2.Qxd7#
- 1...Sc6
- 2.Qxd7#
- 1...Sf7
- 2.Qxd7#
- 1...Sd3
- Tries
- 1.Qc2?
- threat
- 2.Sf6#
- 1...Rb3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rb6
- 2.Qe4#
- 1...Sd3
- 2.Qd1#
- 1...Rf4!
- threat
- 1.Qd8?
- threat
- 2.Se3#
- 1...Sf7
- 2.Qxd7#
- 1...Rb3
- 2.Rf4#
- 1...Rf4
- 2.Rxf4#
- 1...Sc4
- 2.Qxd7#
- 1...Re4!
- threat
- 1.Qc2?
- Keys
- 1.Qc5!
- threat
- 2.Qg1#
- 1...Sf7
- 2.Sf6#
- 1...Rb1
- 2.Qd4#
- 1...Rb3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Sd3
- 2.Se3#
- 1...Sf3
- 2.Se3#
- 2.Sf6#
- 1...Sc4
- 2.Sf6#
- 1...Sc6
- 2.Se3#
- 2.Sf6#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- S(e);N_GUARD::QAB(F),XP(i)
- Tries
- Try
- Q(F);N_PINP(i)
- Threat
- S(D)
- Vars
- R(b);N_GUARD::QAR2(F)
- R(b);N_GUARD::QAR2(F),XR(b)
- S(e);N_GUARD::QAB(F)
- Refutation
- R(b);
- Try
- Q(F);N_PINP(i)
- Threat
- S(D)
- Vars
- S(e);N_GUARD::QAB(F),XP(i)
- R(b);N_GUARD::R1(H)
- R(b);N_GUARD::R1(H),XR(b)
- Refutation
- R(b);
- Try
- Actual
- Q(F);N_PINP(i)
- Threat
- QAR(F)
- Vars
- S(e);::S(D)
- R(b);N_GUARD::QAR(F)
- R(b);N_GUARD::QAR(F),XR(b)
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).