MESON Chess Problem Database
Problem Display
PID: 263419 (3r4/6QB/q6p/4N3/RP1kP3/2N5/3P3K/b3R3 w - - 0 1)
Brogi, Giuseppe
Prete, Rodolfo
Springaren, 1955
#2
10 + 5
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qe2+
- 2.Sxe2#
- 1...Qb5
- 2.Sxb5#
- 1...Qb7
- 2.Se2#
- 1...Qc8
- 2.Se2#
- 2.Sb5#
- 1...Qxa4
- 2.Se2#
- 1...Qa5
- 2.Se2#
- 1...Qb6
- 2.Se2#
- 1...Qc6
- 2.Se2#
- 1...Qd6
- 2.Se2#
- 2.Sb5#
- 1...Qe6
- 2.Se2#
- 2.Sb5#
- 1...Qg6
- 2.Sb5#
- 1...Qa7
- 2.Se2#
- 2.Sb5#
- 1...Qa8
- 2.Se2#
- 2.Sb5#
- 1...Qe2+
- Tries
- 1.Rxa6?
- threat
- 2.Se2#
- 2.Sb5#
- 1...Rd5
- 2.Se2#
- 1...Rb8
- 2.Se2#
- 2.Rd6#
- 1...Bxc3!
- threat
- 1.Rxa6?
- Keys
- 1.Ra5!
- threat
- 2.Qg1#
- 1...Qe2+
- 2.Sxe2#
- 1...Qxa5
- 2.Se2#
- 1...Qf1
- 2.Qa7#
- 1...Qd3
- 2.Qa7#
- 1...Qb5
- 2.Sxb5#
- 1...Qf6
- 2.Se2#
- 1...Qg6
- 2.Sb5#
- 1...Rd5
- 2.Rxd5#
- 1...Rf8
- 2.Rd5#
- 1...Rg8
- 2.Rd5#
- threat
- 1.Ra5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 4
- Sets
- Q(c);CHECK,N_GUARD::S(D),XQ(c)
- Q(c);N_GUARD::S(D),XQ(c)
- Q(c);N_GUARD::S(D)
- Q(c);N_GUARD,XR(E)::S(D)
- Tries
- Try
- R(E);XQ(c)
- Threat
- DUALS(2)
- Vars
- R(e);::S(D)
- Refutation
- B(a);XS(D)
- Try
- Actual
- R(E);
- Threat
- QAB(I)
- Vars
- Q(c);CHECK,N_GUARD::S(D),XQ(c)
- Q(c);N_GUARD,XR(E)::S(D)
- Q(c);N_GUARD::QAB(I)
- Q(c);N_GUARD::S(D),XQ(c)
- Q(c);N_GUARD::S(D)
- R(e);N_GUARD::R1(E),XR(e)
- R(e);N_GUARD::R1(E)
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).