MESON Chess Problem Database
Problem Display
PID: 269874 (4R3/7N/1N1p2q1/3Rnp2/1B2kp2/5n1b/K2P4/7B w - - 0 1)
Chicco, Adriano
5th HM.=, Il Problema, 1933
#2
8 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Sf6#
- 1...Qf7
- 2.Sg5#
- 1...Qxe8
- 2.Sg5#
- 2.Sf6#
- 1...Qg1
- 2.Sf6#
- 1...Qg2
- 2.Sf6#
- 1...Qg3
- 2.Sf6#
- 1...Qg4
- 2.Sf6#
- 1...Qg5
- 2.Sxg5#
- 1...Qe6
- 2.Sg5#
- 1...Qf6
- 2.Sxf6#
- 1...Qg8
- 2.Sf6#
- 1...Qh5
- Tries
- 1.Bc3?
- threat
- 2.Rd4#
- 1...Qf7
- 2.Sg5#
- 1...Qg1
- 2.Sf6#
- 1...Qg2
- 2.Sf6#
- 1...Qe6
- 2.Sg5#
- 1...Qg8
- 2.Sf6#
- 1...Bg2!
- threat
- 1.Bc3?
- Keys
- 1.Bc5!
- threat
- 2.Rd4#
- 2.d3#
- 1...Qxe8
- 2.Sg5#
- 2.Sf6#
- 2.Rd4#
- 1...dxc5
- 2.Rexe5#
- 1...Qf7
- 2.Sg5#
- 2.d3#
- 1...Qg1
- 2.Sf6#
- 2.d3#
- 1...Qg2
- 2.Sf6#
- 1...Qe6
- 2.Sg5#
- 1...Qg8
- 2.Sf6#
- 2.d3#
- 1...Bf1
- 2.Rd4#
- 1...Bg2
- 2.d3#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(h);N_GUARD::S(G)
- Q(h);N_GUARD,P_PINR(E)::S(G)
- Q(h);N_GUARD,N_SPINS(a),P_PINP(C),P_SPINS(e)::S(G)
- Q(h);N_GUARD::S(G),XQ(h)
- Tries
- Try
- B(D);
- Threat
- R1(E)
- Vars
- Q(h);N_GUARD,P_PINR(E)::S(G)
- Q(h);N_GUARD::S(G)
- Q(h);N_GUARD,N_SPINS(a),P_PINP(C),P_SPINS(e)::S(G)
- Refutation
- B(b);N_SPINS(a),P_SPINS(e)
- Try
- Actual
- B(D);
- Threat
- DUALS(2)
- Vars
- P(g);N_GUARD,XB(D)::R1(H),XS(e)
- Q(h);N_GUARD,N_SPINS(a),P_PINP(C),P_SPINS(e)::S(G)
- Q(h);N_GUARD,P_PINR(E)::S(G)
- B(b);::R1(E)
- B(b);N_SPINS(a),P_SPINS(e)::P(C)
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).