MESON Chess Problem Database
Problem Display
PID: 233768 (1bN5/2nR4/5prn/8/3Pk3/4p3/pB2P3/Kb2QR2 w - - 0 1)
Righi, Mario
Freie Presse, 2005
#2
8 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Qf2?
- threat
- 2.Qf3#
- 2.Qf4#
- 1...Rg3
- 2.Qf4#
- 1...Rg4
- 2.Qf3#
- 1...Sb5
- 2.Qf3#
- 1...Sd5
- 2.Qf3#
- 1...Sa6
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sa8
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...exf2!
- threat
- 1.Qg3?
- threat
- 2.Rf4#
- 2.Qf4#
- 2.Qf3#
- 1...Rg4
- 2.Qf3#
- 1...Sb5
- 2.Qf3#
- 1...Sd5
- 2.Qf3#
- 1...Sa6
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sa8
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Rxg3!
- threat
- 1.Qh4+?
- 1...Sg4
- 2.Qh1#
- 1...Rg4!
- 1...Sg4
- 1.Qf2?
- Keys
- 1.Qa5!
- threat
- 2.Sd6#
- 1...Sf5
- 2.Qxf5#
- 1...Sf7
- 2.Qf5#
- 1...Sb5
- 2.Qa8#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Se6
- 2.Qd5#
- 2.Qa8#
- 1...Sa8
- 2.Qd5#
- 2.Qxa8#
- 1...Se8
- 2.Qd5#
- 2.Qa8#
- 1...f5
- 2.Qe5#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(f);::QAR1(B)
- R(f);::QAB1(B)
- S(h);::QAB1(B)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(f);::QAB1(B)
- S(h);::QAB1(B)
- Refutation
- R(f);XQ(B)
- Try
- Q(B);CHECK
- Vars
- S(g);P_SPINS(g),S_CUTR(f)::QAB(B)
- Refutation
- R(f);P_SPINR(f)
- Try
- Actual
- Q(B);
- Threat
- S(H)
- Vars
- S(g);N_GUARD::QAB1(B),XS(g)
- S(g);N_GUARD::QAB1(B)
- S(h);N_GUARD::QAB(B)
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
- P(e);N_GUARD::QAR1(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).