MESON Chess Problem Database
Problem Display
PID: 138205 (7Q/8/2pKR3/2p5/2kN4/P1n5/5N2/2R5 w - - 0 1)
Guida, Marco
The Problemist, 1986
#2
7 + 4
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
SOLUTION
- SOUND
- Tries
- 1.Se4?
- threat
- 2.Rxc3#
- 1...Kd3
- 2.Rxc3#
- 1...cxd4!
- threat
- 1.Qh3?
- threat
- 2.Qxc3#
- 2.Qd3#
- 1...Kxd4
- 2.Qxc3#
- 2.Qd3#
- 1...cxd4!
- threat
- 1.Qh5?
- threat
- 2.Qxc5#
- 1...Kxd4
- 2.Qxc5#
- 1...cxd4!
- threat
- 1.Qh7?
- threat
- 2.Qd3#
- 1...Kxd4
- 2.Qd3#
- 1...cxd4!
- threat
- 1.Qb8?
- 1...cxd4
- 2.Qb4#
- 1...Kxd4!
- 1...cxd4
- 1.Qg8?
- threat
- 2.Re4#
- 1...cxd4
- 2.Re5#
- 1...Kxd4!
- threat
- 1.Se4?
- Keys
- 1.Re5!
- threat
- 2.Rxc5#
- 1...Kxd4
- 2.Re4#
- 1...cxd4
- 2.Qg8#
- threat
- 1.Re5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(B);
- Threat
- R1(A),XS(a)
- Vars
- K(b);N_SPINS(a),S_FLIGHT::R1(A),XS(a)
- Refutation
- P(c);XS(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- P(c);XS(D)
- Try
- Q(G);
- Threat
- QAR1(G),XP(c)
- Vars
- K(b);N_SPINS(a),P-FLIGHT,XS(D)::QAB1(G),XP(c)
- Refutation
- P(c);XS(D)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- K(b);N_SPINS(a),P-FLIGHT,XS(D)::QAR1(G)
- Refutation
- P(c);XS(D)
- Try
- Q(G);
- Vars
- P(c);N_GUARD,SBLOCK,XS(D)::QAR1(G)
- Refutation
- K(b);N_SPINS(a),P-FLIGHT,XS(D)
- Try
- Q(G);
- Threat
- QAB(G)+R(F)
- Vars
- P(c);SBLOCK,XS(D)::QAB(G)+R(F)
- Refutation
- K(b);N_SPINS(a),P-FLIGHT,XS(D)
- Try
- Actual
- R(F);
- Threat
- R1(F),XP(c)
- Vars
- K(b);N_SPINS(a),OGATEB,P-FLIGHT,XS(D)::QAB(G)+R(F),DCHECK
- P(c);SBLOCK,XS(D)::QAB(G)
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).