MESON Chess Problem Database
Problem Display
PID: 263927 (2K5/N5pQ/4p3/b1P5/kr5R/p2p4/P1R5/3B2qn w - - 0 1)
Foschini, Ettore
Schackvarlden, 1932
#2
8 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Rd2#
- 2.Re2#
- 2.Rxf2#
- 1...Qh2
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rcxh2#
- 1...Qe3
- 2.Rc1#
- 2.Rb2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Rcc4#
- 1...Qd4
- 2.Rc4#
- 1...Qxc5+
- 2.Rxc5#
- 1...Qg2
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rxg2#
- 1...Qg3
- 2.Rc1#
- 2.Rb2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Rcc4#
- 1...Qg5
- 2.Rc1#
- 2.Rb2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Rcc4#
- 1...Qg6
- 2.Rc1#
- 2.Rb2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Rcc4#
- 1...Rc4
- 2.Rcxc4#
- 1...Rd4
- 2.Rc4#
- 1...Re4
- 2.Rc4#
- 1...Rf4
- 2.Rc4#
- 1...Rg4
- 2.Rc4#
- 1...Rxh4
- 2.Rc4#
- 1...dxc2
- 2.Bxc2#
- 2.Qxc2#
- 1...g5
- 2.Qd7#
- 1...g6
- 2.Qd7#
- 1...Qf2
- Tries
- 1.Qxd3?
- threat
- 2.Qb5#
- 2.Qb3#
- 2.Qd7#
- 1...Qxc5+
- 2.Rxc5#
- 1...Qxd1
- 2.Qb5#
- 2.Qb3#
- 1...Rxh4
- 2.Rc4#
- 2.Qb5#
- 2.Qb3#
- 1...Rc4
- 2.Rcxc4#
- 2.Qb3#
- 1...Rd4
- 2.Rc4#
- 2.Qb5#
- 2.Qb3#
- 1...Re4
- 2.Rc4#
- 2.Qb5#
- 2.Qb3#
- 1...Rf4
- 2.Rc4#
- 2.Qb5#
- 2.Qb3#
- 1...Rg4
- 2.Rc4#
- 2.Qb5#
- 2.Qb3#
- 1...Bb6
- 2.Qb5#
- 1...Bc7
- 2.Qb5#
- 1...Bd8
- 2.Qb5#
- 1...Qe3
- 2.Rc1#
- 2.Rb2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Rcc4#
- 2.Qb5#
- 2.Qd7#
- 1...Qd4
- 2.Rc4#
- 1...Qf1
- 2.Qb3#
- 1...Qg2
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rxg2#
- 2.Qb5#
- 2.Qb3#
- 1...Qg3
- 2.Rc1#
- 2.Rb2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rg2#
- 2.Rch2#
- 2.Rc3#
- 2.Rcc4#
- 2.Qb5#
- 2.Qd7#
- 1...Qg4!
- threat
- 1.Qxd3?
- Keys
- 1.Qe4!
- threat
- 2.Qc6#
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxe4
- 2.Rc4#
- 1...Rc4
- 2.Rxc4#
- 1...Rd4
- 2.Rc4#
- 1...Bb6
- 2.Qxb4#
- 1...Bc7
- 2.Qxb4#
- 1...Bd8
- 2.Qxb4#
- 1...Qd4
- 2.Rc4#
- 1...Qg2
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 2.Rxg2#
- 1...Qg4
- 2.Re2#
- threat
- 1.Qe4!
This is a version
Version by Yves Cheylan.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD,N_SPINR(f)::B(A)+R(C)
- Q(a);CHECK,OGATE,XP(E)::B(A)+R(C),XQ(a)
- R(f);P_PINP(E)::B(A)+R(C),DCHECK,XR(f)
- R(f);::B(A)+R(C),DCHECK
- R(f);N_SPINR(f),XR(D)::B(A)+R(C),DCHECK
- P(i);OGATE::QAB(G)
- Tries
- Try
- Q(G);XP(d)
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,OGATE,XP(E)::B(A)+R(C),XQ(a)
- B(g);::QAB1(G)
- Q(a);N_GUARD,N_SPINR(f)::B(A)+R(C)
- Q(a);::QAB1(G)
- Refutation
- Q(a);N_SPINR(f)
- Try
- Actual
- Q(G);
- Threat
- QAB(G)
- Vars
- Q(a);CHECK,OGATE,XP(E)::B(A)+R(C),XQ(a)
- R(f);XQ(G)::B(A)+R(C),DCHECK
- R(f);P_PINP(E)::B(A)+R(C),DCHECK,XR(f)
- R(f);::B(A)+R(C),DCHECK
- B(g);N_GUARD::QAR1(G),XR(f)
- Q(a);N_GUARD,N_SPINR(f)::B(A)+R(C)
- Q(a);N_GUARD::B(A)+R(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).